Control method and device for vehicle air conditioner and vehicle

Abstract

The invention discloses a control method and device for a vehicle air conditioner and a vehicle. The method comprises the steps that passenger information in a vehicle cabin is obtained, and the passenger information comprises the age value and the shell temperature value of a target passenger in the cabin; determining a suitable temperature value of the target passenger based on the age value of the target passenger; based on the body surface temperature value of the target passenger and the appropriate temperature value of the target passenger, the total required refrigeration / heating capacity value of the air conditioner is determined; and controlling the air conditioner to work based on the total required refrigeration / heating capacity value of the air conditioner. By applying the technical scheme provided by the invention, not only can people of different ages be adapted, but also energy waste is hardly caused.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle air conditioning control, and particularly relates to a control method, device and vehicle for a vehicle air conditioner. Background Art

[0002] In a conventional heating, ventilation and air conditioning (HVAC) system, the temperature adjustment of the air conditioner generally has two methods. One is: manual adjustment according to the user's temperature requirement; the other is: automatic adjustment with the calibrated suitable temperature value of the air conditioning system as the temperature adjustment reference value. However, the thermal sensation and wind sensation of each person in the cockpit may be different; therefore, traditional air conditioners are difficult to adapt to different age groups.

[0003] Application Content

[0004] In view of the above problems, the present application provides a control method, device and vehicle for a vehicle air conditioner, which can not only adapt to different age groups, but also hardly cause waste of energy.

[0005] According to one aspect of the embodiments of the present application, a control method for a vehicle air conditioner is provided. The method includes: obtaining occupant information in a vehicle cockpit, where the occupant information includes the age value and body surface temperature value of a target occupant in the cockpit; determining a suitable temperature value for the target occupant based on the age value of the target occupant; determining a total required cooling / heating capacity value of the air conditioner based on the body surface temperature value of the target occupant and the suitable temperature value of the target occupant; and controlling the operation of the air conditioner based on the total required cooling / heating capacity value of the air conditioner.

[0006] In an optional manner, if the number of the target occupants is multiple and the age values of the target occupants among the multiple target occupants are different, then determining an average body surface temperature value of each target occupant based on the body surface temperature values of each target occupant; determining an average suitable temperature value of each target occupant based on the suitable temperature values corresponding to each target occupant; and determining the total required cooling / heating capacity value of the air conditioner based on the average body surface temperature value and the average suitable temperature value.

[0007] In an optional manner, the cockpit includes multiple temperature control zones. The step method of determining the total required cooling / heating capacity value of the air conditioner based on the body surface temperature value of the target occupant and the suitable temperature value of the target occupant includes: determining a target temperature value of each temperature control zone corresponding to each target occupant based on the suitable temperature value of each target occupant; determining a target required cooling / heating capacity value of the temperature control zone based on the target temperature value of the temperature control zone and the body surface temperature value of the target occupant in the temperature control zone; and determining the total required cooling / heating capacity value of the air conditioner based on the sum of the target required cooling / heating capacity values of each temperature control zone.

[0008] In an alternative embodiment, the method further includes: obtaining the skin temperature values of the head, upper limbs, and lower limbs of the target occupant; obtaining the weight coefficients corresponding to the skin temperature of the head, upper limb skin temperature, and lower limb skin temperature of the target occupant; and performing weighted summation on the skin temperature values of the head, upper limbs, and lower limbs of the target occupant based on the weight coefficients to obtain the body surface temperature value of the target occupant.

[0009] In an alternative embodiment, the step of controlling the operation of the air conditioner based on the total required cooling / heating capacity value of the air conditioner includes: obtaining the temperature value outside the vehicle cabin and the temperature value inside the vehicle cabin; determining the indoor-outdoor temperature difference value based on the difference between the temperature value outside the cabin and the temperature value inside the vehicle cabin; determining the target rotational speed value of the fan of the air conditioner based on the indoor-outdoor temperature difference value and the total required cooling / heating capacity value of the air conditioner; and controlling the operation of the air conditioner based on the target rotational speed value of the fan.

[0010] In an alternative embodiment, the method further includes: obtaining the operating condition information of the vehicle, where the operating condition information includes one of the altitude information of the vehicle and the remaining energy information of the vehicle; determining the first target adjustment coefficient of the fan based on the operating condition information; and determining the target rotational speed value of the fan of the air conditioner based on the first target adjustment coefficient, the indoor-outdoor temperature difference value, and the total required cooling / heating capacity value of the air conditioner.

[0011] In an alternative embodiment, the method further includes: obtaining a preset candidate adjustment parameter, the preset maximum temperature difference value and the preset minimum temperature difference value between the inside and outside of the cabin; determining a first candidate adjustment parameter based on the difference between the preset maximum temperature difference value and the preset minimum temperature difference value; determining a second candidate adjustment parameter based on the difference between the preset maximum temperature difference value and the indoor-outdoor temperature difference value; determining the minimum value among the preset candidate adjustment parameter, the first candidate adjustment parameter, and the second candidate adjustment parameter as the second target adjustment coefficient; and determining the target rotational speed value of the fan of the air conditioner based on the first target adjustment coefficient, the second target adjustment coefficient, the indoor-outdoor temperature difference value, and the total required cooling / heating capacity value of the air conditioner.

[0012] In an alternative manner, the step method of controlling the air conditioner based on the total demand cooling / heating capacity value of the air conditioner includes: obtaining the reference cooling / heating capacity value, the maximum power value of the air conditioner, and the reference power value corresponding to the reference cooling / heating capacity value; determining a candidate power value based on the total demand cooling / heating capacity value, the reference cooling / heating capacity value, and the reference power value; determining the minimum value of the candidate power value and the maximum power value as the target power value; and controlling the operation of the air conditioner based on the target power value of the air conditioner.

[0013] According to another aspect of the embodiments of the present application, there is provided a control device for a vehicle air conditioner. The device includes: an acquisition module that acquires occupant information in the vehicle cockpit, where the occupant information includes the age value and body surface temperature value of a target occupant in the cockpit; a first determination module that determines the appropriate temperature value of the target occupant based on the age value of the target occupant; a second determination module that determines the total demand cooling / heating capacity value of the air conditioner based on the body surface temperature value of the target occupant and the appropriate temperature value of the target occupant; and a control module that controls the operation of the air conditioner based on the total demand cooling / heating capacity value of the air conditioner.

[0014] According to another aspect of the embodiments of the present application, there is provided a vehicle, including: a controller; a memory for storing one or more programs, which when executed by the controller, cause the controller to implement the above-mentioned control method for the vehicle air conditioner.

[0015] In the embodiments of the present application, first, since the total demand cooling / heating capacity value of the air conditioner and the fan speed value of the air conditioner are determined by combining the body surface temperature value and the appropriate temperature value of the target occupant, and the appropriate temperature value of the target occupant is determined by the age value of the target occupant, the control method of the vehicle air conditioner can adapt to people of different ages. Second, since the total demand cooling / heating capacity value of the air conditioner is determined based on the body surface temperature value of the target occupant and the appropriate temperature value of the target occupant, the total demand cooling / heating capacity value of the air conditioner is likely to just meet the needs of the target occupant, and almost no energy waste will be caused.

[0016] The above description is only an overview of the technical solutions of the embodiments of the present application. In order to be able to understand the technical means of the embodiments of the present application more clearly, it can be implemented according to the content of the description. And in order to make the above and other purposes, features, and advantages of the embodiments of the present application more obvious and understandable, the following specifically illustrates the embodiments of the present application. Description of the Drawings

[0017] The drawings are only used to illustrate the embodiments and are not considered as a limitation to the present application. And throughout the drawings, the same reference numerals are used to represent the same components. In the drawings:

[0018] Figure 1 It shows a flowchart block diagram of steps S16 - S140 of a control method for a vehicle air conditioner provided by an embodiment of the present application.

[0019] Figure 2 It shows a flowchart block diagram of steps S1321` - S1323` of a control method for a vehicle air conditioner provided by an embodiment of the present application.

[0020] Figure 3 It shows a flowchart block diagram of steps S111 - S113 of a control method for a vehicle air conditioner provided by an embodiment of the present application.

[0021] Figure 4 It shows a flowchart block diagram of steps S141 - S144 of a control method for a vehicle air conditioner provided by an embodiment of the present application.

[0022] Figure 5 It shows a structural schematic diagram of a control device for a vehicle air conditioner provided by the present application.

[0023] Figure 6 It shows a structural schematic diagram of an embodiment of the vehicle of the present application. Detailed implementation manners

[0024] Here, exemplary embodiments will be described in detail, and examples thereof are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0025] The block diagrams shown in the drawings are only functional entities and do not necessarily correspond to physically independent entities. That is, these functional entities can be implemented in software form, or implemented in one or more hardware modules or integrated circuits, or implemented in different networks and / or processor devices and / or microcontroller devices.

[0026] The flowcharts shown in the drawings are only exemplary descriptions and do not necessarily include all contents and operations / steps, nor do they necessarily need to be executed in the described order. For example, some operations / steps can be decomposed, while some operations / steps can be combined or partially combined. Therefore, the actual execution order may change according to the actual situation.

[0027] As used in this application, "a plurality of" means two or more. " / or" describes the relationship between associated objects and indicates that there can be three relationships. For example, A / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally indicates an "or" relationship between the associated objects before and after.

[0028] In some related technologies, although the vehicle air conditioner is equipped with an automatic temperature adjustment function (that is, after the vehicle A / C button is pressed, the air conditioner can automatically adjust the temperature). This automatic temperature adjustment function generally sets a temperature preset value before the vehicle leaves the factory, so that after the vehicle turns on the automatic temperature adjustment function, the air conditioner uses the temperature preset value as the temperature adjustment reference value for the vehicle cockpit, and then adjusts the temperature in the vehicle cockpit to the temperature preset value. However, since people of different ages have different requirements for comfortable temperatures, this automatic temperature adjustment function cannot meet the needs of people of different ages.

[0029] For example, children, especially infants and toddlers, have relatively weak thermoregulatory abilities and are more sensitive to environmental changes. Therefore, it is particularly important to provide them with a stable and suitable indoor environment. Generally speaking, the suitable indoor temperature for children usually remains between 22°C and 26°C. This temperature range helps infants and toddlers maintain a comfortable state and avoid discomfort caused by overheating or overcooling. At the same time, the humidity in the car should also be maintained between 50% and 60% to maintain the baby's respiratory health and reduce skin dryness problems.

[0030] Adults: For adults, they have relatively strong thermoregulatory abilities and can adapt to a wider range of environmental temperatures. However, in order to maintain the best comfort and work efficiency, adults generally consider that the room temperature is most suitable at around 22°C. In addition, the indoor humidity should also be maintained at around 60% to create a more comfortable and healthy living environment. Of course, different individuals may have different requirements for temperature and humidity, so in actual applications, appropriate adjustments need to be made according to personal feelings.

[0031] The elderly: The elderly have relatively weak physiques, poor adaptability, and weak resistance to cold environments. Therefore, they need a warmer and more stable environment to maintain physical and mental health. Generally speaking, the room temperature for the elderly should be controlled between 25°C and 28°C. Such a temperature range can reduce the risk of the elderly catching cold and at the same time will not make them feel stuffy and uncomfortable.

[0032] Based on this, combined with Figures 1 to 6As shown, embodiments of the present application respectively propose a control method for a vehicle air conditioner, a control method 300 for a vehicle air conditioner, a vehicle, a computer-readable storage medium, and a computer program product to solve the above problems. These embodiments will be described in detail below.

[0033] In an exemplary embodiment of the present application, Figure 1 The flowchart of steps S16 - S140 of a control method for a vehicle air conditioner provided by an embodiment of the present application is shown. This method is executed by an in-vehicle terminal. Please refer to Figure 1 As shown, this method includes steps S16 to S140, which are introduced in detail as follows:

[0034] Step S16: When a passenger in the vehicle cockpit needs air conditioning for cooling or heating, the in-vehicle terminal of the vehicle can respond to the control of the passenger for cooling, and then obtain the passenger information in the vehicle cockpit. The passenger information includes the age value and body surface temperature value of the target passenger in the cockpit. Among them, the body surface temperature value refers to the temperature of the body surface layer, including the temperature of the skin, subcutaneous tissue, muscles, etc., also known as the surface temperature; that is to say, the concept of body surface temperature is different from the internal body temperature.

[0035] For example, an infrared thermometer can be used to measure the temperature of the human head, limbs, and torso. Specifically, a high-precision, fast-response, non-contact infrared thermometer can be selected and arranged directly in front of the seat position, so that a separate infrared thermometer will be arranged directly in front of each passenger, thereby improving the accuracy of temperature recognition.

[0036] In an exemplary embodiment of the present application, when obtaining the age value in the passenger information, an in-vehicle display screen can be used to generate a passenger age acquisition window correspondingly, so that the target passenger can manually input their own age into the vehicle control system, or with the permission of the target passenger, the vehicle owner can input the age on behalf of the target passenger into the vehicle control system to obtain the age value of the target passenger with the permission of the target passenger.

[0037] Step S120: Determine the appropriate temperature value of the target passenger based on the age value of the target passenger.

[0038] In an exemplary embodiment of the present application, the step of determining the appropriate temperature value of the target passenger based on the age value of the target passenger includes: determining the age stage corresponding to the age value of the target passenger based on the age value of the target passenger, and determining the appropriate temperature value of the target passenger based on the age stage corresponding to the target passenger.

[0039] For example, a target occupant with an age value less than 16 years old can be corresponding to the child age stage. The appropriate temperature value corresponding to the child age stage can be 24°C. A target occupant with an age value greater than 16 years old and less than 50 years old can be corresponding to the adult age stage. The appropriate temperature value corresponding to an adult can be 22°C. A target occupant with an age value greater than 50 years old can be corresponding to the elderly: the appropriate temperature value corresponding to the elderly can be between 26°C.

[0040] Of course, in other embodiments, in order to more precisely adjust the appropriate temperature value of the target occupant, the appropriate temperature value of the target occupant can also be directly determined according to the different age values.

[0041] Step S130: Determine the total required cooling / heating capacity value of the air conditioner based on the body surface temperature value of the target occupant and the appropriate temperature value of the target occupant.

[0042] For example, the temperature adjustment value that the air conditioner needs to adjust can be determined according to the difference between the body surface temperature value of the target occupant and the appropriate temperature value of the target occupant, and then the total required cooling / heating capacity value of the air conditioner can be calculated according to the temperature adjustment value.

[0043] Step S140: Control the operation of the air conditioner based on the total required cooling / heating capacity value of the air conditioner.

[0044] In this application, since the total required cooling / heating capacity value of the air conditioner and the fan speed value of the air conditioner are determined in combination with the body surface temperature value of the target occupant and the appropriate temperature value, and the appropriate temperature value of the target occupant is determined by the age value of the target occupant, the control method of the vehicle air conditioner can adapt to people of different ages. Secondly, since the total required cooling / heating capacity value of the air conditioner is determined according to the body surface temperature value of the target occupant and the appropriate temperature value of the target occupant, the total required cooling / heating capacity value of the air conditioner is probably just in line with the needs of the target occupant, and almost no energy waste will be caused.

[0045] In an exemplary embodiment of this application, the occupant information further includes the number of target occupants. If the number of target occupants is 1, the total required cooling / heating capacity value of the air conditioner can be directly determined based on the body surface temperature value and the appropriate temperature value of the target occupant; and the operation of the air conditioner is controlled based on the total required cooling / heating capacity value of the air conditioner. If the number of target occupants is multiple, the total required cooling / heating capacity value of the air conditioner is jointly determined based on the body surface temperature values corresponding to the respective target occupants and the appropriate temperature values corresponding to the respective target occupants.

[0046] In an exemplary embodiment of this application, the step method for determining the total required cooling / heating capacity value of the air conditioner based on the body surface temperature value of the target occupant and the appropriate temperature value of the target occupant includes steps S131 to S132, which are introduced in detail as follows:

[0047] Step S131: If the number of target occupants is multiple and the age values of the target occupants are different, then determine the average body surface temperature value of each target occupant based on the body surface temperature value of each target occupant.

[0048] For example, if the number of target occupants is 3, and the body surface temperature values corresponding to the 3 target occupants are 24°C, 26°C, and 25°C respectively, then determine the average body surface temperature value of each target occupant to be 25°C.

[0049] Step S132: Determine the average suitable temperature value of each target occupant based on the suitable temperature value corresponding to each target occupant.

[0050] For example, if the number of target occupants is 3, and the suitable temperature values corresponding to the 3 target occupants are 24°C, 26°C, and 25°C respectively, then determine the suitable temperature value of each target occupant to be 25°C.

[0051] Step S133: Determine the total required cooling / heating capacity value of the air conditioner based on the average body surface temperature value and the average suitable temperature value.

[0052] In this embodiment, by determining the total required cooling / heating capacity value of the air conditioner through the average body surface temperature value and the average suitable temperature value corresponding to each target occupant, it is easier to adapt to the temperature requirements of the vehicle occupants.

[0053] In an exemplary embodiment of the present application, the cockpit includes multiple temperature control zones. Among them, the temperature in each temperature control zone can be independently controlled.

[0054] For example, the multiple temperature control zones may include the temperature control zone corresponding to the driver's seat, the temperature control zone corresponding to the front passenger seat, and the temperature control zone corresponding to the rear occupants. When the air conditioner is started, the air can be blown to each temperature control zone through different air outlets in the cockpit, so that the temperatures of the temperature control zones are different. Specifically, when it is necessary to adjust the temperature in the temperature control zone corresponding to the driver's seat, the air outlet blowing air towards the driver's seat can be independently controlled to blow air according to the demand. When it is necessary to adjust the temperature in the temperature control zone corresponding to the front passenger seat, the air outlet blowing air towards the front passenger seat can be independently controlled to blow air according to the demand. When it is necessary to adjust the temperature in the temperature control zone corresponding to the rear occupants, the air outlet blowing air towards the rear occupants can be independently controlled to blow air according to the demand. Among them, the temperature and the wind speed of the air blown out by the air outlets corresponding to each temperature control zone can be independently controlled.

[0055] Figure 2 The flowchart showing the steps S1321`-S1323` of a control method for a vehicle air conditioner provided by an embodiment of the present application is shown. Please refer to Figure 4As shown, the step method for jointly determining the total required cooling / heating value of the air conditioner based on the body surface temperature values of each target occupant and the suitable temperature values of each target occupant includes steps S1321` to S1323`, which are introduced in detail as follows:

[0056] Step S1321`: Determine the target temperature value of the temperature control zone corresponding to each target occupant based on the suitable temperature value of each target occupant.

[0057] For example, when the temperature control zones include the first temperature control zone corresponding to the driver's seat, the second temperature control zone corresponding to the front passenger, and the third temperature control zone corresponding to the rear passengers, if there are target occupants in the first, second, and third temperature control zones, the target temperature value of the first temperature control zone can be determined according to the suitable temperature value of the target occupant in the first temperature control zone, the target temperature value of the second temperature control zone can be determined according to the suitable temperature value of the target occupant in the second temperature control zone, and the target temperature value of the third temperature control zone can be determined according to the suitable temperature value of the target occupant in the third temperature control zone.

[0058] For example, when the temperature control zones include the first temperature control zone corresponding to the driver's seat, the second temperature control zone corresponding to the front passenger, and the third temperature control zone corresponding to the rear passengers, if there are target occupants in some of the first, second, and third temperature control zones, the target temperature value of the corresponding temperature control zone is determined according to the suitable temperature value of the target occupant, and if there are no target occupants in the other part of the temperature control zones, no adjustment is required.

[0059] For example, when the temperature control zones include the first temperature control zone corresponding to the driver's seat, the second temperature control zone corresponding to the front passenger, and the third temperature control zone corresponding to the rear passengers, in the case where there are target occupants in the first, second, and third temperature control zones, not only are there more than one target occupant in a single temperature control zone, but also the suitable temperature values of the target occupants in a single temperature control zone are different, the average value of the suitable temperature values of the target occupants can be taken as the target temperature value of the temperature control zone.

[0060] Step S1322`: Determine the target required cooling / heating value of the temperature control zone based on the target temperature value of the temperature control zone and the body surface temperature value of the target occupant in the temperature control zone.

[0061] For example, when the temperature control zones include the first temperature control zone corresponding to the driver's seat, the second temperature control zone corresponding to the front passenger, and the third temperature control zone corresponding to the rear passengers, the target temperature value of the first temperature control zone is 24°C, and the body surface temperature value of the target occupant in the first temperature control zone is 22°C, then the temperature that needs to be adjusted in the first temperature control zone is 2°C, and then the target required cooling / heating value of the temperature control zone is calculated according to the temperature that needs to be adjusted in the first temperature control zone.

[0062] Step S1323: Determine the total required cooling / heating capacity value of the air conditioner based on the sum of the required cooling / heating capacity values of each temperature control zone.

[0063] In this embodiment, when there are multiple temperature control zones in the cockpit, when the ages of the target occupants are diverse, the air conditioner can be controlled according to the different temperature requirements of each target occupant, so that each target occupant can be in a relatively comfortable environment. At the same time, the sum of the required cooling / heating capacity values of each temperature control zone is the total required cooling / heating capacity value of the air conditioner, thereby achieving the balance between energy supply and demand and reducing energy waste.

[0064] In an exemplary embodiment of the present application, Figure 3 Fig. shows a flowchart of steps S111 - S113 of a control method for a vehicle air conditioner provided by an embodiment of the present application. Please refer to Figure 3 As shown, the method for obtaining the occupant information in the vehicle cockpit includes steps S111 to S113, which are introduced in detail as follows:

[0065] Step S111: Obtain the skin temperature value of the target occupant's head, the skin temperature value of the upper limb, and the skin temperature value of the lower limb.

[0066] For example, the obtained skin temperature value of the target occupant's head is T head , the obtained skin temperature value of the target occupant's upper limb is T arm , and the obtained skin temperature value of the target occupant's lower limb is T leg .

[0067] Step S112: Obtain the weight coefficients corresponding to the skin temperature of the target occupant's head, the skin temperature of the upper limb, and the skin temperature of the lower limb.

[0068] For example, the weight coefficient of the skin temperature of the target occupant's head is w head , the weight coefficient of the skin temperature of the target occupant's upper limb is w arm , and the weight coefficient of the skin temperature of the target occupant's lower limb is w leg . Among them, w head + w arm + w leg = 1.

[0069] Step S113: Perform weighted summation on the skin temperature value of the target occupant's head, the skin temperature value of the upper limb, and the skin temperature value of the lower limb based on the weight coefficients to obtain the body surface temperature value of the target occupant. Specifically: The body surface temperature value of the target occupant = T weighted = w leg × T leg + w arm × T arm + whead ×T head 。

[0070] In this embodiment, by obtaining the surface temperatures of multiple parts of the skin of the target occupant and then obtaining the body surface temperature value of the target occupant through weighted averaging of the surface temperatures of the skin of each part, the obtained body surface temperature value of the target occupant can be made more accurate.

[0071] In an exemplary embodiment of the present application, the method for determining the total required cooling / heating capacity value of the air conditioner based on the body surface temperature value and the appropriate temperature value includes: If the maximum power of the vehicle air conditioner is P max , the cooling capacity required per unit temperature difference is K1, and when there is one temperature control zone, the total required cooling / heating capacity value Q of the air conditioner req =(body surface temperature value - appropriate temperature value)×K1.

[0072] Among them, when there are multiple temperature control zones in the cockpit, the required cooling / heating capacity values of each temperature control zone can be calculated separately (specifically referring to the calculation method when there is one temperature control zone), and then summed to obtain the total required cooling / heating capacity value Q of the air conditioner req 。

[0073] In an exemplary embodiment of the present application, Figure 4 shows a flowchart of steps S141 - S144 of a control method for a vehicle air conditioner provided by an embodiment of the present application. Please refer to Figure 4 As shown, the method steps for controlling the operation of the air conditioner based on the total required cooling / heating capacity value of the air conditioner include steps S141 to S144, which are introduced in detail as follows:

[0074] Step S141: Obtain the reference cooling / heating capacity value Q of the air conditioner base , the maximum power value P max and the reference power value P corresponding to the reference cooling / heating capacity value Q base 。 base 。

[0075] Step S142: Determine the candidate power value based on the total required cooling / heating capacity value Q req , the reference cooling / heating capacity value Q base and the reference power value P base . Among them, when there is one temperature control zone, the total required cooling / heating capacity value Q of the air conditioner req =(body surface temperature value - appropriate temperature value)×K1. When there are multiple temperature control zones in the cockpit, the required cooling / heating capacity values of each temperature control zone can be calculated separately (specifically referring to the calculation method when there is one temperature control zone), and then summed to obtain the total required cooling / heating capacity value Q of the air conditioner req 。

[0076] For example, the candidate power value is calculated as: candidate power value = Q req ÷Q base ×P base 。

[0077] Step S143: The target power value is proportional to the total required cooling / heating value Q req but does not exceed the maximum power of the vehicle air conditioner. Therefore, the minimum value of the candidate power value and the maximum power value can be determined as the target power value P out 。

[0078] Step S144: Based on the target power value P of the air conditioner out control the operation of the air conditioner, so that the air conditioner can operate at the target power value P out After working, the cooling / heating capacity generated is probably just in line with the needs of the target occupants, and almost no energy waste will be caused.

[0079] In an exemplary embodiment of the present application, the method steps for controlling the operation of the air conditioner based on the total required cooling / heating value of the air conditioner include steps S145 to S148, which are introduced in detail as follows:

[0080] S145: Obtain the temperature value outside the vehicle cockpit and the temperature value inside the vehicle cockpit.

[0081] For example, the temperature values inside and outside the vehicle cockpit can be obtained through a temperature sensor set outside the vehicle cockpit.

[0082] S146: Determine the indoor-outdoor temperature difference value ΔT based on the difference between the temperature value outside the cockpit and the temperature value inside the vehicle cockpit.

[0083] S147: Determine the target rotation speed value N of the fan of the air conditioner based on the indoor-outdoor temperature difference value ΔT and the total required cooling / heating value Qreq of the air conditioner.

[0084] S148: Control the operation of the air conditioner based on the target rotation speed value N of the fan, so as to intelligently adjust the target output power and the target rotation speed value of the fan according to the comfortable temperature requirements of occupants of different ages, thereby realizing the efficient utilization of energy while ensuring the comfort of the vehicle interior environment.

[0085] In an exemplary embodiment of the present application, considering that some special working conditions encountered during driving may affect the operation of the air conditioner. Therefore, to realize more intelligent control of the air conditioner, the method steps for controlling the operation of the air conditioner based on the total required cooling / heating value of the air conditioner further include steps S149 to S151, which are introduced in detail as follows:

[0086] Step S149: Obtain the working condition information of the vehicle, and the working condition information includes one of the altitude information of the vehicle and the remaining energy information of the vehicle.

[0087] For example, altitude information can be obtained by an altimeter for detecting altitude and transmitted to the vehicle-mounted terminal. Energy information can be directly obtained by the vehicle-mounted terminal to get the remaining fuel or remaining power of the vehicle, so as to obtain the energy information of the vehicle.

[0088] Step S150: The first target adjustment coefficient K2 of the fan determined based on the operating condition information.

[0089] In this embodiment, when the vehicle is traveling to a high-altitude area, affected by the altitude, the power of the vehicle is usually preferentially supplied to the drive of the wheels. At this time, to ensure that the driving force of the wheels is not affected, the first target adjustment coefficient K2 can be determined through the altitude information in the operating condition information.

[0090] For example, if it is determined according to the altitude information that the altitude where the vehicle is located is lower than 600 meters, the first target adjustment coefficient K2 can be determined to be 1. If it is determined according to the altitude information that the altitude where the vehicle is located is higher than 600 meters and less than 2000, the first target adjustment coefficient K2 can be determined to be 0.8; if it is determined according to the altitude information that the altitude where the vehicle is located is higher than 2000 meters and less than 3000, the first target adjustment coefficient K2 can be determined to be 0.7; if it is determined according to the altitude information that the altitude where the vehicle is located is higher than 3000 meters and less than 5000, the first target adjustment coefficient K2 can be determined to be 0.6; if it is determined according to the altitude information that the altitude where the vehicle is located is higher than 5000 meters, the first target adjustment coefficient K2 can be determined to be 0.5. Thus, when the vehicle is traveling in a high-altitude area, the power of the vehicle can be saved as much as possible for driving the wheels.

[0091] In this embodiment, when the remaining energy value in the energy information of the vehicle is less than the preset energy value during driving, affected by the energy supply, the power of the vehicle is usually preferentially supplied to the drive of the wheels. At this time, to ensure that the driving force of the wheels is not affected, the first target adjustment coefficient K2 can be determined through the energy information in the operating condition information.

[0092] For example, if it is determined according to the energy information that the remaining power value or fuel value of the vehicle is less than 5% of the full charge or full fuel value, the first target adjustment coefficient K2 can be determined to be 0.5. Thus, when the remaining energy value of the vehicle is less than the preset energy value, the power of the vehicle can be saved as much as possible for driving the wheels.

[0093] In this embodiment, when the vehicle is not only in a high-altitude area but also in the operating condition where the remaining energy value in the energy information of the vehicle is less than the preset energy value during driving, the first target adjustment coefficient K2 determined separately based on the altitude information can be multiplied by the first target adjustment coefficient K2 determined based on the energy information to obtain the final first target adjustment coefficient K2.

[0094] Step S151: Determine the target rotational speed value of the air conditioner's fan based on the first target adjustment coefficient K2, the indoor-outdoor temperature difference value, and the total required cooling / heating capacity value of the air conditioner, so that the vehicle can be applicable to high-altitude scenarios and scenarios where the vehicle is in an energy-deficient state, further improving the intelligent control of the air conditioner.

[0095] In an exemplary embodiment of the present application, to prevent the fan from rotating too fast due to a large temperature difference between the inside and outside of the cockpit. Therefore, the method steps for controlling the operation of the air conditioner based on the total required cooling / heating capacity value of the air conditioner further include steps S152 to S155, which are introduced in detail as follows:

[0096] S152: Obtain a preset candidate adjustment parameter, the preset maximum temperature difference value ΔT between the inside and outside of the cockpit max and the preset minimum temperature difference value ΔT min .

[0097] For example, the preset maximum temperature difference value ΔT between the inside and outside of the cockpit max and the preset minimum temperature difference value ΔT min can be determined according to the historical maximum temperature difference value and the historical minimum temperature difference value between the inside and outside of the cockpit in the previous year in the area where the vehicle travels most frequently.

[0098] S153: Determine the first candidate adjustment parameter based on the difference between the preset maximum temperature difference value ΔT max and the preset minimum temperature difference value ΔT min .

[0099] For example, ΔT max -ΔT min = the first candidate adjustment parameter.

[0100] S154: Determine the second candidate adjustment parameter based on the difference between the preset maximum temperature difference value ΔT max and the indoor-outdoor temperature difference value ΔT.

[0101] For example, ΔT max -ΔT = the second candidate adjustment parameter.

[0102] S155: Determine the minimum value among the preset candidate adjustment parameter, the first candidate adjustment parameter, and the second candidate adjustment parameter as the second target adjustment coefficient K3, so that when the temperature difference between the inside and outside of the vehicle cockpit is very large, the fan speed can be made as low as possible.

[0103] Among them, the preset candidate adjustment parameter is the estimated value input by the user, and the preset candidate adjustment parameter is 1. At this time, the maximum value of the second target adjustment coefficient K3 is 1. Furthermore, it can be ensured that when the temperature difference between the inside and outside of the vehicle cabin by the air conditioner is relatively extreme, the fan speed will not increase too much, so that the fan will not suddenly increase its speed too much, reducing the impact of the sudden increase in the fan speed on the fan's lifespan, and avoiding the situation where the fan is too large and the air output is too strong, making the target occupant uncomfortable.

[0104] S156: Determine the target speed value of the air conditioner's fan based on the first target adjustment coefficient, the second target adjustment coefficient, the indoor-outdoor temperature difference value, and the total required cooling / heating capacity value of the air conditioner. In this embodiment, the calculation method of the target speed value N is: target speed value N = ΔT × Q req ×K2×K3, so that the fan can be applicable to scenarios such as large temperature differences between the inside and outside of the vehicle cabin, high altitudes, and the vehicle being in an energy-deficient state, further improving the intelligent control of the air conditioner.

[0105] In an exemplary embodiment of the present application, the step method of controlling the air conditioner based on the skin temperature value of the target occupant and the suitable temperature value of the target occupant further includes: if the skin temperature value of the target occupant is outside the suitable temperature range, control the air conditioner to blow air towards the area where the target occupant is located, so that the temperature of the area where the target occupant is located can quickly reach the suitable temperature value of the target occupant. Among them, the maximum value of the suitable temperature range is the sum of the suitable temperature value of the target occupant and the preset temperature variable value, and the minimum value of the suitable temperature range is the difference between the suitable temperature value of the target occupant and the preset temperature variable value.

[0106] In an exemplary embodiment of the present application, the step method of controlling the air conditioner based on the skin temperature value of the target occupant and the suitable temperature value of the target occupant further includes: if the skin temperature value of the target occupant is within the suitable temperature range, control the air conditioner to blow air towards other areas except the area where the target occupant is located, so as to avoid blowing air on the target occupant or perform air-sweeping control, avoiding adverse effects on the target occupant. Among them, the maximum value of the suitable temperature range is the sum of the suitable temperature value of the target occupant and the preset temperature variable value, and the minimum value of the suitable temperature range is the difference between the suitable temperature value of the target occupant and the preset temperature variable value.

[0107] In summary, the control method of the vehicle air conditioner in the present application can, after measuring the skin temperatures of the lower limbs, upper limbs, and heads of target occupants of different ages in the vehicle, combine the weighted average of the skin temperatures of these parts to determine the suitable temperature value of each target occupant. Furthermore, according to the age distribution of different temperature control zones in the vehicle and the comprehensive demand for the comfortable temperature of the target occupants, the target required cooling / heating capacity value of each temperature control zone can be calculated. Finally, adjust the output power of the vehicle-mounted air conditioner according to the target required cooling / heating capacity value to meet the comfort requirements of the vehicle interior environment.

[0108] Figure 5 The structure diagram of a control method 300 for a vehicle air conditioner provided by an embodiment of the present application is shown. As Figure 5 shown, in this embodiment, a control method 300 for a vehicle air conditioner is further provided, which is used to execute the control method of the vehicle air conditioner in the above embodiment.

[0109] As Figure 5 shown, the control method 300 for a vehicle air conditioner further includes an acquisition module 36, and the acquisition module 36 is used to acquire the occupant information in the vehicle cockpit, and the occupant information includes the age value and body surface temperature value of the target occupant in the cockpit.

[0110] As Figure 5 shown, the control method 300 for a vehicle air conditioner further includes a first determination module 320, and the first determination module 320 is used to determine the appropriate temperature value of the target occupant based on the age value of the target occupant.

[0111] As Figure 5 shown, the control method 300 for a vehicle air conditioner further includes a second determination module 330, and the second determination module 330 is used to determine the total required cooling / heating capacity value of the air conditioner based on the body surface temperature value of the target occupant and the appropriate temperature value of the target occupant.

[0112] As Figure 5 shown, the control method 300 for a vehicle air conditioner further includes a control module 340, and the control module 340 is used to control the operation of the air conditioner based on the total required cooling / heating capacity value of the air conditioner.

[0113] The control method 300 for a vehicle air conditioner provided in the above embodiment and the control method for a vehicle air conditioner provided in the foregoing embodiment belong to the same concept. The specific manners in which each module and unit perform operations have been described in detail in the method embodiment and will not be elaborated here.

[0114] Figure 6 The structure diagram of an embodiment of the vehicle of the present application is shown, which shows the structure diagram of a computer system of a vehicle suitable for implementing the embodiment of the present application. The specific implementation of the vehicle in the specific embodiment of the present application is not limited.

[0115] Please refer to Figure 6 shown, the vehicle includes: a controller; a memory for storing one or more programs, and when the one or more programs are executed by the controller, the control method of the vehicle air conditioner described above is executed.

[0116] Please continue to refer to Figure 6As shown, the computer system 500 of the vehicle includes a Central Processing Unit (CPU) 501, which can perform various appropriate actions and processes according to the program stored in the Read-Only Memory (ROM) 502 or the program loaded from the storage section 508 into the Random Access Memory (RAM) 503, such as executing the methods in the above embodiments. In the RAM 503, various programs and data required for system operation are also stored. The CPU 501, ROM 502, and RAM 503 are connected to each other via a bus 504. An Input / Output (I / O) interface 505 is also connected to the bus 504.

[0117] The following components are connected to the I / O interface 505: an input section 506 including a keyboard, a mouse, etc.; an output section 507 including, for example, a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), etc. and a speaker, etc.; a storage section 508 including a hard disk, etc.; and a communication section 509 including a network interface card such as a LAN (Local Area Network) card, a modem, etc. The communication section 509 performs communication processing via a network such as the Internet. A drive 56 is also connected to the I / O interface 505 as needed. A removable medium 511, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is installed on the drive 56 as needed so that a computer program read from it can be installed into the storage section 508 as needed.

[0118] Specifically, according to an embodiment of the present application, the process described above with reference to the flowchart can be implemented as a computer software program. For example, an embodiment of the present application includes a computer program product, which includes a computer program carried on a computer-readable medium, and the computer program contains a computer program for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from the network through the communication section 509, and / or installed from the removable medium 511. When the computer program is executed by the Central Processing Unit (CPU) 501, various functions defined in the system of the present application are executed.

[0119] Another aspect of the present application also provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the control method of the vehicle air conditioner as described above is implemented. The computer-readable storage medium can be included in the vehicle described in the above embodiments, or can exist separately and not be assembled into the vehicle.

[0120] Another aspect of the present application also provides a computer program product or a computer program, which includes at least one executable instruction. When the executable instruction runs in the control method 300 of the vehicle air conditioner / on the vehicle, it causes the control method 300 of the vehicle air conditioner / vehicle to execute the control method of the vehicle air conditioner as described above.

[0121] The computer-readable medium shown in the embodiments of the present application may be a computer-readable signal medium, a computer-readable storage medium, or any combination of the two. A computer-readable storage medium may be, for example, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), a flash memory, an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In the present application, the computer-readable storage medium may be any tangible medium that contains or stores a program, and the program can be used by or in combination with an instruction execution system, apparatus, or device. In the present application, a computer-readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, which carries a computer-readable computer program. Such a propagated data signal may take various forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. A computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, and the computer-readable medium can send, propagate, or transmit a program for use by or in combination with an instruction execution system, apparatus, or device. The computer program included on the computer-readable medium can be transmitted by any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the above.

[0122] The flowcharts and block diagrams in the accompanying drawings illustrate the possible architectures, functions, and operations of systems, methods, and computer program products according to various embodiments of the present application. Among them, each block in the flowchart or block diagram may represent a module, a program segment, or a part of code, and the above-mentioned module, program segment, or part of code contains one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the blocks may occur in an order different from that marked in the accompanying drawings. For example, two consecutive blocks shown may actually be executed substantially in parallel, and they may sometimes be executed in the reverse order, depending on the functions involved. It should also be noted that each block in the block diagram or flowchart, as well as the combination of blocks in the block diagram or flowchart, can be implemented by a dedicated hardware-based system that performs the specified functions or operations, or can be implemented by a combination of dedicated hardware and computer instructions.

[0123] The units described in the embodiments of the present application can be implemented in software or in hardware, and the described units can also be provided in a processor. Among them, the names of these units do not, in some cases, constitute a limitation on the unit itself.

[0124] According to one aspect of the embodiments of the present application, a computer system is further provided, including a central processing unit (CPU), which can perform various appropriate actions and processes according to the program stored in the read-only memory (ROM) or the program loaded from the storage part into the random access memory (RAM), such as performing the methods in the above embodiments. In the RAM, various programs and data required for system operation are also stored. The CPU, ROM, and RAM are connected to each other through a bus. The input / output (I / O) interface is also connected to the bus.

[0125] The following components are connected to the I / O interface: an input part including a keyboard, a mouse, etc.; an output part including a cathode ray tube (CRT), a liquid crystal display (LCD), etc. and a speaker, etc.; a storage part including a hard disk, etc.; and a communication part including a network interface card such as a LAN (Local Area Network) card, a modem, etc. The communication part performs communication processing via a network such as the Internet. A drive is also connected to the I / O interface as required. A removable medium such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc. is installed on the drive as required so that a computer program read therefrom is installed into the storage part as required.

[0126] The above content is only a preferred exemplary embodiment of the present application and is not used to limit the implementation of the present application. Those of ordinary skill in the art can easily make corresponding adaptations or modifications according to the main concept and spirit of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope required by the claims.

Claims

1. A method for controlling a vehicle air conditioner, characterized in that: The method comprises: Acquiring passenger information in a vehicle cabin, the passenger information including an age value and a body surface temperature value of a target passenger in the cabin; determining a suitable temperature value for the target occupant based on the age value of the target occupant; Determining a total required cooling / heating value of the air conditioner based on the body surface temperature value of the target occupant and the suitable temperature value of the target occupant; The air conditioner is controlled to operate based on a total cooling / heating demand value of the air conditioner.

2. The method according to claim 1, characterized in that The occupant information also includes the number of the target occupants. The method for determining the total required cooling / heating value of the air conditioner based on the body surface temperature value of the target occupant and the suitable temperature value of the target occupant includes: If there are multiple target occupants, and the age values ​​of the multiple target occupants are different, then determining the average body surface temperature of each target occupant based on the body surface temperature value of each target occupant; Determining an average value of suitable temperatures for each of the target occupants based on the suitable temperature values ​​corresponding to each of the target occupants; The total required cooling / heating value of the air conditioner is determined based on the average body surface temperature and the average suitable temperature.

3. The method according to claim 2, characterized in that The cabin includes a plurality of temperature control zones, and the method for determining the total required cooling / heating value of the air conditioner based on the body surface temperature value of the target occupant and the suitable temperature value of the target occupant includes: Determining a target temperature value of a temperature control zone corresponding to each target occupant based on the suitable temperature value of each target occupant; Determining a target required cooling / heating value of the temperature control zone based on a target temperature value of the temperature control zone and a body surface temperature value of a target occupant in the temperature control zone; The total required cooling / heating value of the air conditioner is determined based on the sum of the target required cooling / heating values ​​of each of the temperature control zones.

4. The method according to claim 1, characterized in that The method further comprises: Acquiring the skin temperature value of the target occupant's head, the skin temperature value of the upper limbs, and the skin temperature value of the lower limbs; Obtaining weight coefficients corresponding to the skin temperature of the target occupant's head, upper limb skin temperature, and lower limb skin temperature; The skin temperature value of the target occupant's head, the skin temperature value of the upper limbs, and the skin temperature value of the lower limbs are weighted and summed based on the weight coefficient to obtain the body surface temperature value of the target occupant.

5. The method according to claim 1, characterized in that The method of controlling the operation of the air conditioner based on the total cooling / heating demand value of the air conditioner comprises: Acquiring a temperature value outside the vehicle cabin and a temperature value inside the vehicle cabin; Determining an indoor and outdoor temperature difference value based on a difference between a temperature value outside the cabin and a temperature value inside the vehicle cabin; The indoor and outdoor temperature difference value and the total required cooling / heating value of the air conditioner determine the target speed value of the fan of the air conditioner; The air conditioner is controlled to operate based on the target rotation speed value of the fan.

6. The method according to claim 5, characterized in that The method further comprises: Acquiring operating condition information of the vehicle, the operating condition information comprising one of altitude information of the vehicle and remaining energy information of the vehicle; Determining a first target adjustment coefficient of the fan based on the operating condition information; A target speed value of the fan of the air conditioner is determined based on the first target adjustment coefficient, the indoor and outdoor temperature difference value, and a total required cooling / heating value of the air conditioner.

7. The method according to claim 6, characterized in that The method further comprises: Obtaining preset candidate adjustment parameters, a preset maximum temperature difference value between the inside and outside of the cabin, and a preset minimum temperature difference value; Determining a first candidate adjustment parameter based on a difference between the preset maximum temperature difference value and the preset minimum temperature difference value; Determine a second candidate adjustment parameter based on the difference between the preset maximum temperature difference and the indoor and outdoor temperature difference; Determine the minimum value among the preset candidate adjustment parameter, the first candidate adjustment parameter and the second candidate adjustment parameter as the second target adjustment coefficient; A target speed value of the fan of the air conditioner is determined based on the first target adjustment coefficient, the second target adjustment coefficient, the indoor and outdoor temperature difference value, and the total required cooling / heating value of the air conditioner.

8. The method according to claim 1, characterized in that The method of controlling the operation of the air conditioner based on the total cooling / heating demand value of the air conditioner comprises: Obtaining a reference cooling / heating value, a maximum power value, and a reference power value corresponding to the reference cooling / heating value of the air conditioner; determining a candidate power value based on the total required cooling / heating value, the reference cooling / heating value, and the reference power value; Determine the minimum value between the candidate power value and the maximum power value as the target power value; The operation of the air conditioner is controlled based on the target power value of the air conditioner.

9. A vehicle air conditioner control device, characterized in that: The device comprises: An acquisition module is used to acquire passenger information in a vehicle cabin, wherein the passenger information includes an age value and a body surface temperature value of a target passenger in the cabin; A first determination module determines a suitable temperature value of the target occupant based on the age value of the target occupant; A second determination module determines a total required cooling / heating value of the air conditioner based on the body surface temperature value of the target occupant and the suitable temperature value of the target occupant; A control module controls the operation of the air conditioner based on a total required cooling / heating value of the air conditioner.

10. A vehicle, characterized in that: include: Controller; The memory is used to store one or more programs. When the one or more programs are executed by the controller, the controller implements the vehicle air conditioner control method according to any one of claims 1 to 8.

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