Vehicle air conditioning system

Abstract

The present invention provides a vehicle air conditioning system that changes the temperature in a vehicle cabin in consideration of the clothing of passengers when riding in the vehicle. The vehicle air conditioning system (1) comprises: a temperature sensor (7) that detects the current outside temperature (T); a detection device (10) that detects an occupant (21); a memory that stores characteristic data (25, 26) including clothing level data (CLr) for the outside temperature data (Tr) and a set temperature (Pt) generated for each occupant (21) by an air conditioning unit (6); and a control unit (2) that compares a calculated clothing level (CL) with the clothing level data (CLr) corresponding to the outside temperature data (Tr) of the characteristic data (25, 26), and refers to the set temperature (Pt) of the clothing level data (CLr) including the clothing level (CL) from the characteristic data (25, 26) to drive and control the air conditioning unit (6).

Description

Technical Field

[0001] The present invention relates to a vehicle air conditioning system for controlling an air conditioner for a vehicle. Background Art

[0002] Vehicles such as automobiles are provided with a vehicle air conditioning system that controls an air conditioner for the vehicle so that the temperature in the vehicle interior is set to a set temperature set by a driver or other passenger.

[0003] However, in recent years, there have been vehicles with a function of identifying passengers using passenger authentication devices such as driver monitoring systems. Then, there have been vehicles with a personalized function that authenticates the passenger when the passenger gets on the vehicle and reads various parameters set last time.

[0004] For example, as disclosed in Patent Document 1, there is known an in-vehicle environment setting system that learns the temperature and air volume in the vehicle compartment according to the outside temperature, humidity, and weather as part of such a personalized function of the vehicle.

[0005] Prior art literature Patent Literature Patent Document 1: Japanese Patent Application Publication No. 2019-182096 Summary of the invention

[0006] Technical issues However, conventional in-vehicle environment setting systems learn the user's preferences for in-vehicle environment settings based on ambient conditions such as temperature, and set the temperature and air volume in the vehicle interior. However, conventional in-vehicle environment setting systems have a problem of not being able to change the temperature in the vehicle interior in consideration of the differences in clothing worn by passengers at the time.

[0007] Therefore, the present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a vehicle air conditioning system that changes the temperature in the vehicle cabin in consideration of the clothing of the occupant when riding in the vehicle.

[0008] Technical Solution A vehicle air conditioning system according to one embodiment of the present invention comprises: an air conditioning unit; a temperature sensor for detecting a current outside temperature; a detection device for detecting an occupant; a storage unit for storing characteristic data generated for each occupant, including clothing level data for outside temperature data and a set temperature of the air conditioning unit; and a control mechanism for calculating the clothing level of the occupant detected by the detection device, comparing the calculated clothing level with the clothing level data corresponding to the outside temperature data including the outside temperature input from the temperature sensor, and referring to the set temperature of the clothing level data including the clothing level from the characteristic data, thereby driving and controlling the air conditioning unit.

[0009] Another embodiment of the vehicle air conditioning system of the present invention comprises: an air conditioning unit; a temperature sensor that detects the current outside temperature; a detection device that detects an occupant; a memory that stores characteristic data generated for each of the occupants, including clothing level data for the outside temperature data and a set temperature of the air conditioning unit; and a control unit that calculates the clothing level of the occupant detected by the detection device, compares the calculated clothing level with the clothing level data corresponding to the outside temperature data including the outside temperature input from the temperature sensor, and refers to the set temperature of the clothing level data including the clothing level from the characteristic data, thereby driving and controlling the air conditioning unit.

[0010] Technical Effects According to the present invention, it is possible to provide a vehicle air conditioning system that changes the temperature in the vehicle cabin in consideration of the clothing of the occupant while riding in the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a block diagram showing the configuration of a vehicle air conditioning system according to one embodiment of the present invention.

[0012] Figure 2 1 is a side view schematically showing a state in which a driver, who is an occupant user of the same embodiment, is seated in a driving seat.

[0013] Figure 3 This is a front view schematically showing a state in which a driver, who is a passenger user wearing thin clothes such as a T-shirt, sits in a driving seat in the same manner.

[0014] Figure 4 This is a front view schematically showing a state in which a driver, who is a passenger user wearing long-sleeved clothes such as a shirt, sits in a driving seat in the same manner.

[0015] Figure 5This is a front view schematically showing a state in which a driver, who is a passenger user wearing thick clothes such as sportswear, sits in a driving seat in the same manner.

[0016] Figure 6 This is a front view schematically showing a state in which a driver, who is a passenger user wearing outer clothing such as a jacket, is seated in a driving seat in the same manner.

[0017] Figure 7 This is a front view schematically showing a state in which a driver, who is a passenger user wearing cold-proof clothing such as a down jacket, sits in a driving seat.

[0018] Figure 8 This is a diagram showing an initial characteristic map of the same system.

[0019] Fig. 9 is a diagram showing a personalized characteristic map in the same manner.

[0020] Fig.10 1 is a flowchart showing air-conditioning control executed by the vehicle air-conditioning system of the same embodiment.

[0021] Fig.11 1 is a flowchart showing the personal air-conditioning control executed by the vehicle air-conditioning system of the same embodiment.

[0022] Fig.12 is to show the same way Fig.11 Continuation of B. Flowchart of personal air conditioning control.

[0023] Fig.13 is to show the same way Fig.11 Continuation of C. Flow chart of personal air conditioning control.

[0024] Explanation of symbols 1…Vehicle air conditioning system 2…Main ECU (Electronic Control Unit) 3…High-precision road map database (road map DB) 4…Positioner unit 5… Air conditioning control unit 6…Air conditioning unit (automatic air conditioning unit) 7…External air temperature sensor 8…Room temperature sensor 9…Sunlight sensor 10…Driver information acquisition department 11…Biological information acquisition device 12…Driver Check Department 13…Registration Information Storage Department 14 ...Reproduction user judgment unit 15…Electric seat belt tensioner 16…Manual temperature setting unit 20…In-vehicle communication circuit 21…Driver (passenger / driver) 23…Driving seat 24…Seat belt 25…Basic characteristic map 26…Personalized Feature Mapping CL…Dress Level CLr…Dress level data Ct…Set the change temperature Pt...Set temperature T…external air temperature Tr…External temperature data α, β, γ, ε…predetermined temperature DETAILED DESCRIPTION

[0025] Hereinafter, an embodiment of the present invention will be described based on the accompanying drawings. Figure 1 A vehicle air conditioning system 1 according to the present embodiment is shown.

[0026] Figure 1 The vehicle air conditioning system 1 includes electrical components such as a main ECU (electronic control unit) 2, a high-precision road map database (road map DB) 3, a locator unit 4, an air conditioning control unit 5, an air conditioning unit (automatic air conditioning unit) 6, an outside temperature sensor 7, a room temperature sensor 8, a sunlight sensor 9, a driver information acquisition unit 10, a biological information acquisition device 11, a reproduced user determination unit 14, a registered information storage unit 13, a driver verification unit 12, an electric seat belt tensioner 15, and a manual temperature setting unit 16. These electrical components are connected to each other via an in-vehicle communication circuit 20 such as a CAN (Controller Area Network).

[0027] The main ECU 2 as a control unit transmits and receives drive signals, detection signals, request signals, instruction signals, etc. with the above-mentioned various components via the in-vehicle communication circuit 20. The main ECU 2 is composed of an electronic control unit having, for example, an information processing unit such as a CPU, a storage unit such as a RAM and a ROM, an input / output interface, etc.

[0028] The main ECU 2 transmits and receives various signals to and from a locator unit 4, which is connected to a road map DB 3. The locator unit 4 has a built-in GNSS sensor (not shown). The locator unit 4 senses information from the road map DB 3 and the GNSS sensor to calculate the position of the vehicle.

[0029] It should be noted that the GNSS sensor receives positioning signals transmitted from a plurality of positioning satellites, and the main ECU 2 senses the position information (latitude, longitude, altitude, etc.) of the vehicle from the positioning signals received from the GNSS sensor.

[0030] The road map DB3 is a large-capacity storage medium such as an HDD. High-precision road map information (dynamic map) is stored in the road map DB3. In addition, the road map DB3 retains road map information of various countries and information such as the altitude of the location.

[0031] The road map DB3 outputs various information located by the GNSS sensor of the locator unit 4 to the locator unit 4 based on a request signal from the main ECU 2. The locator unit 4 then outputs various information such as vehicle position information, road map information, altitude, and time to the main ECU 2.

[0032] The main ECU 2 transmits and receives signals to and from the air conditioning control unit 5. The air conditioning control unit 5 integrally controls the air conditioning unit 6. The air conditioning control unit 5 includes, for example, information processing means such as a CPU, storage means such as a RAM and a ROM, an input / output interface, and a bus connecting them.

[0033] It should be noted that the air conditioning control unit 5 performs mode control, target temperature setting, blower control, etc. The air conditioning control unit 5 determines the driving of the compressor, blower (none of which is shown in the figure), etc. based on the set temperature set by the occupant such as the driver (driver) 21 and the detection values ​​of the outside air temperature sensor 7, the room temperature sensor 8, and the sunlight sensor 9 described later.

[0034] Furthermore, in normal times, the air conditioning control unit 5 controls the air conditioning unit 6 so that the actual vehicle interior temperature converges to the set temperature in advance.

[0035] The air conditioning unit 6 has a known structure, so its components will be briefly described below. The air conditioning unit 6 includes a target temperature setting unit and an HVAC unit (neither of which is shown).

[0036] The HVAC unit is a unit that adjusts the temperature, air volume, and air outlet of the air in order to maintain the temperature set in the vehicle interior.

[0037] The target temperature setting unit sets the target temperature so that the air sent into the vehicle interior by the HVAC unit has an appropriate temperature at the air outlet. In addition, the target temperature setting unit calculates the amount of heat absorbed by the evaporator (not shown).

[0038] The target temperature setting unit estimates the temperature of the air flow on the downstream side of the evaporator based on the calculation result. The target temperature setting unit performs a predetermined correction on the estimated temperature. Then, the target temperature setting unit sets the target temperature maintained by the air conditioning unit 6 .

[0039] The air conditioning unit 6 has a blower control unit (not shown). The blower control unit changes the blowout flow rate and flow rate of the air flow from the HVAC unit continuously or in stages. That is, the blower control unit adjusts the output of the blower (not shown).

[0040] The main ECU 2 receives detection signals from the outside air temperature sensor 7 , the room temperature sensor 8 , and the sunlight sensor 9 .

[0041] The outside air temperature sensor 7 is a temperature sensor that detects the current air temperature outside the vehicle (outside air temperature T). The outside air temperature sensor 7 outputs a detected value of the outside air temperature outside the vehicle based on a request signal from the main ECU 2 .

[0042] The room temperature sensor 8 is a temperature sensor that detects the air temperature in the cab (the vehicle interior temperature). The room temperature sensor 8 outputs a detected value of the vehicle interior temperature in the cab based on a request signal from the main ECU 2 .

[0043] The sunlight sensor 9 detects the amount of sunlight entering the cab. That is, the sunlight sensor 9 has a photodiode that converts the intensity of sunlight into a change in current. Thus, the sunlight sensor 9 detects the intensity of sunlight irradiating the vehicle. The sunlight sensor 9 outputs a detection value of the intensity of sunlight irradiating the vehicle based on a request signal from the main ECU 2.

[0044] The air conditioning control unit 5 reads the outside temperature outside the vehicle, the interior temperature inside the cabin, and the detected values ​​of the intensity of sunlight, and drives and controls the air conditioning unit 6 so that the interior temperature of the cabin reaches a set temperature.

[0045] The main ECU 2 also transmits and receives signals with the driver information acquisition unit 10 , the biological information acquisition device 11 , the driver verification unit 12 , the registration information storage unit 13 , and the playback user determination unit 14 .

[0046] The driver information acquisition unit 10 is a detection device having a driver monitoring camera (not shown) for photographing the driver 21 as a passenger. The driver monitoring camera is installed in front of the driver's seat (for example, a dashboard, an instrument panel, a rearview mirror, etc.). The driver information acquisition unit 10 constitutes a driver state monitoring device, namely a so-called driver monitoring system (DMS).

[0047] The driver information acquisition unit 10 detects the situation of not looking forward due to distraction, drowsiness, etc. for each acquired image based on the facial image of the driver 21. That is, the driver information acquisition unit 10 monitors the state of the driver 21 opening his eyes, the direction of the driver's 21 sight, the posture, etc. from the acquired facial image of the driver 21.

[0048] At the same time, the driver information acquisition unit 10 detects the amount of clothing worn by the driver 21. The driver information acquisition unit 10 senses the amount of clothing worn by the driver 21 based on the image. Then, the driver information acquisition unit 10 performs image processing on the image of the driver 21 captured by the driver monitoring camera and outputs it as image data.

[0049] The biological information acquisition device 11 is a device that detects various biological information such as the body temperature, pulse, heart rate, and sweating amount of the driver 21. The biological information acquisition device 11 is, for example, installed in the driver's seat (driver's seat) 23 ( Figure 2 That is, the biometric information acquisition device 11 acquires the biometric information of the driver 21 sitting in the driver's seat 23. Then, the biometric information acquisition device 11 outputs various biometric information of the driver 21 thus acquired.

[0050] It should be noted that the biometric information acquisition device 11 may also be an electronic device such as a smart watch worn by the driver 21 or a smart phone carried by the driver 21. In addition, when the biometric information acquisition device 11 is an electronic device such as a smart watch or a smart phone, the acquired various biometric information of the driver 21 is transmitted using wireless communication such as Bluetooth (registered trademark).

[0051] The driver verification unit 12 reads the image data of the driver 21 acquired by the driver information acquisition unit 10. In addition, the driver verification unit 12 reads the user registration information registered in the registration information storage unit 13. Then, the driver verification unit 12 verifies the registered user registration information by using the facial recognition of the driver 21 or the like, and outputs the verification result.

[0052] The registration information storage unit 13 has a storage device as a memory (storage unit) such as RAM and ROM for storing various information of each driver 21 acquired by the driver information acquisition unit 10. The registration information storage unit 13 stores individual user registration information of each driver 21.

[0053] It should be noted that, every time the driver 21 gets on the vehicle, various information is stored in the registration information storage unit 13. Such various information includes, for example, the time when the driver 21 gets on the vehicle, the location of the vehicle, the set temperature of the air conditioning unit 6, the outside temperature of the outside temperature sensor 7, the indoor temperature of the vehicle of the room temperature sensor 8, the intensity of sunlight of the sunshine sensor 9, the user ID of the occupant described later, and a characteristic map.

[0054] The playback user determination unit 14 outputs a playback instruction signal for driving and controlling the air conditioning unit 6 controlled by the air conditioning control unit 5 based on various information stored in the registration information storage unit 13 of the driver 21 checked by the driver checking unit 12 .

[0055] The electric seat belt tensioner 15 uses an internal motor (not shown) to wind up the seat belt 24 ( Figures 3 to 7 Reference) device.

[0056] The manual temperature setting unit 16 is provided on a control panel (not shown). The control panel is provided on a dashboard or the like in a vehicle interior (cab). The manual temperature setting unit 16 is an operation unit for a passenger such as a driver 21 to perform various operations related to the air conditioning unit 6 .

[0057] In addition to the manual temperature setting unit 16 , the control panel also includes a main switch, an automatic mode switch, a blower speed switch, a blow mode switch, an indoor and outdoor air switching switch, etc. (none of which are shown in the figure).

[0058] In addition, the main ECU 2 obtains the image from the driver information acquisition unit 10 and, based on the clothing worn by the driver 21, for example Figure 3 Thin clothes such as T-shirts shown 31, Figure 4 Long-sleeved clothes such as shirts shown 32, Figure 5 Thick clothes such as sweaters and sportswear shown 33, Figure 6 Outerwear such as jackets shown 34, Figure 7 The amount of clothing worn is sensed by the cold-weather clothing 35 such as a down jacket, etc., so that the clothing level of the driver 21 is calculated and numerically expressed in the form of, for example, 1 to 5.

[0059] It should be noted that, here, an example is given of a configuration in which the five stages (1 to 5) of clothing levels, namely thin clothing 31, long-sleeved clothing 32, thick clothing 33, outerwear 34, and cold-proof clothing 35, are quantified and detected, but the present invention is not limited to this, and a configuration in which the clothing levels are quantified into multiple stages such as three stages (1 to 3), ten stages (1 to 10), etc., for detection may also be used.

[0060] Alternatively, the seat belt 24 may be marked with a plurality of lines, a one-dimensional barcode, a two-dimensional code, or the like, and the driver monitoring camera of the driver information acquisition unit 10 may capture images of these marks to detect the amount of clothing worn by the driver 21 .

[0061] It should be noted that the amount of clothing worn by the driver 21 may also be detected by the amount of extension of the seat belt 24 held by the electric seat belt tensioner 15. In this case, the electric seat belt tensioner 15 serves as a detection device for detecting the amount of clothing worn by the occupant.

[0062] The registered information storage unit 13 stores air conditioning setting information for each driver 21 .

[0063] like Figure 8 and Fig. 9 As shown, the air conditioning setting information includes a basic characteristic map 25 and a personalized characteristic map 26 as characteristic data for controlling the air conditioning unit 6 to a set temperature Pt with respect to the outside temperature data Tr and the clothing level data CLr.

[0064] It should be explained that Figure 8 This is an example of the initial basic characteristic map 25. When the driver 21 is not registered in the user registration information, that is, when there is no driver 21 with a riding history, the basic characteristic map 25 is read by the main ECU 2. Then, the vehicle air conditioning system 1 drives and controls the air conditioning unit 6 based on the set temperature Pt of the outside temperature data Tr including the detected current outside temperature T in the initial basic characteristic map 25.

[0065] In addition, if the driver 21 has a riding history, for example, the user ID of the driver 21 is registered in the user registration information, such as Fig. 9 The personalized characteristic map 26 of the user ID of the driver 21 shown is read by the main ECU 2. It should be noted that Fig. 9 The personalized characteristic mapping diagram 26 is also an example.

[0066] Right now, Figure 8 Basic characteristic map 25 and Fig. 9 The personalized characteristic map 26 does not limit the range and division of the outside temperature data Tr and the clothing level data CLr, and the set temperature Pt of the air conditioning unit 6 corresponding to the outside temperature data Tr and the clothing level data CLr.

[0067] Then, the vehicle air conditioning system 1 drives and controls the air conditioning unit 6 based on the set temperature Pt corresponding to the outside temperature data Tr and the clothing level CL of the personalized characteristic map 26 of the user ID corresponding to the driver 21. It should be noted that the personalized characteristic map 26 is marked with a different user ID for each different driver 21 detected, and is stored in the registration information storage unit 13 as air conditioning setting information of user registration information.

[0068] When the driver 21 turns on the ignition or starts the engine while riding in the vehicle, the vehicle air conditioning system 1 configured as above executes the following operations in sequence: Fig.10 and Fig.11 The control procedure of each step S is shown in the flowchart.

[0069] First, the vehicle air conditioning system 1 detects the driver 21 as an occupant ( S1 ). The main ECU 2 detects (recognizes) the occupant based on the image data of the driver 21 captured by the driver information acquisition unit 10 , and proceeds to step S2 .

[0070] The vehicle air conditioning system 1 detects the outside temperature T ( S2 ). The main ECU 2 detects the current temperature outside the vehicle (outside temperature T) input from the outside temperature sensor 7 , and proceeds to step S3 .

[0071] The vehicle air conditioning system 1 detects environmental information ( S3 ). The main ECU 2 detects current environmental information such as time, vehicle position, and altitude from the locator unit 4 and proceeds to step S4 . The main ECU 2 stores various environmental information in the registration information storage unit 13 .

[0072] The vehicle air conditioning system 1 calculates the clothing level CL of the driver 21 ( S4 ). The main ECU 2 senses the amount of clothing of the driver 21 based on the image data of the driver information acquisition unit 10 , calculates the digitized clothing level CL, and proceeds to step S5 .

[0073] The vehicle air conditioning system 1 determines whether there is user registration information of the driver 21 (passenger) ( S5 ). The main ECU 2 determines whether the driver 21 is registered in the user registration information based on the verification result of the driver 21 verified by the driver verification unit 12 .

[0074] In step S5, if the driver 21 has registered the user registration information in the registration information storage unit 13 (step S5: Yes), the vehicle air conditioning system 1 proceeds to step S6 to execute Fig.11 The personalized air conditioning control (S6) shown in FIG. 1 will be described later. That is, the driver 21 is determined to have a history of riding in the vehicle.

[0075] On the other hand, in step S5, if the driver 21 is not registered in the user registration information in the registration information storage unit 13 (step S5: No), the vehicle air conditioning system 1 proceeds to step S7 and registers a new user ID of the driver 21 (S7). That is, the main ECU 2 determines that the driver 21 has no history of riding in the vehicle, registers (saves) the user registration information (user ID, etc.) required for face authentication obtained by the driver verification unit 12 in the registration information storage unit 13 based on the image data of the driver 21, and proceeds to step S8.

[0076] The vehicle air conditioning system 1 reads the initial basic characteristic map 25 ( S8 ). The main ECU 2 reads the initial basic characteristic map 25 stored in the registration information storage unit 13 , and proceeds to step S9 .

[0077] The vehicle air conditioning system 1 refers to the set temperature Pt of the outside temperature data Tr including the detected outside temperature T ( S9 ). The main ECU 2 refers to the set temperature Pt of the initial outside temperature data Tr including the outside temperature T detected in step S2 from the basic characteristic map 25 and proceeds to step S10 .

[0078] The vehicle air conditioning system 1 performs air conditioning control of the set temperature Pt (S10). The main ECU 2 drives and controls the air conditioning unit 6 by using the air conditioning control unit 5 so that the set temperature Pt referred to from the basic characteristic map 25 becomes, and enters step S11. That is, the main ECU 2 outputs a reproduction instruction signal from the reproduction user determination unit 14, and the reproduction instruction signal causes the air conditioning control unit 5 to drive and control the air conditioning unit 6 to the set temperature Pt. As a result, the air conditioning control unit 5 drives and controls the air conditioning unit 6 so that the temperature in the vehicle cabin (driver's cab) becomes the set temperature Pt.

[0079] The vehicle air conditioning system 1 generates a new personalized characteristic map 26 (S11). The main ECU 2 changes the initial basic characteristic map 25 to the personalized characteristic map 26 of the driver 21 and proceeds to step S12. It should be noted that the newly generated personalized characteristic map 26 of the driver 21 is stored in the registration information storage unit 13 as the air conditioning setting information 26 of the user registration information.

[0080] Specifically, Figure 8 The initial basic characteristic map 25 is rewritten to generate Fig. 9 The personalized characteristic map 26 dedicated to the driver 21 is stored in the registration information storage unit 13. That is, the personalized characteristic map 26 is included in the user registration information of the driver 21 newly registered this time, and is stored in the registration information storage unit 13 as the air conditioning setting information corresponding to the driver 21.

[0081] The vehicle air conditioning system 1 determines whether the set temperature Pt is changed ( S12 ). The main ECU 2 determines whether the driver 21 has changed the set temperature Pt of the air conditioning unit 6 using the manual temperature setting unit 16 .

[0082] In step S12, when the set temperature Pt is changed (step S12: Yes), the vehicle air conditioning system 1 performs air conditioning control of the changed set temperature Ct (S13). The main ECU 2 causes the air conditioning control unit 5 to drive and control the air conditioning unit 6 so that the set temperature Ct is reached, and the process proceeds to step S14. That is, the air conditioning control unit 5 drives and controls the air conditioning unit 6 so that the vehicle interior temperature reaches the set temperature Ct.

[0083] In step S14 , the vehicle air conditioning system 1 learns the outside temperature T, the clothing level CL, and the changed setting change temperature Ct, rewrites the personalized characteristic map 26 ( S14 ), returns to the detection of the outside temperature T in step S2 , and repeats the subsequent processing.

[0084] Here, the personalized characteristic map 26 may rewrite the setting temperature Pt of the outside temperature data Tr of the air conditioning unit 6 including the current outside temperature T and the clothing level data CLr including the clothing level CL to the setting change temperature Ct. In this way, the personalized characteristic map 26 of the driver 21 is changed and saved (registered) in the registration information storage unit 13.

[0085] It should be noted that, in step S12 , when the set temperature Pt has not been changed (step S12 : No), the vehicle air conditioning system 1 returns to the detection of the outside temperature T in step S2 , and repeats the subsequent processing.

[0086] Next, carry out Fig.11 The control procedure of each step S of the personalized air conditioning of step S6 is explained.

[0087] First, the vehicle air conditioning system 1 reads the individual characteristic map 26 of the driver 21 ( S21 ). The main ECU 2 reads the individual characteristic map 26 of the driver 21 detected in step S1 from the registration information storage unit, and proceeds to step S22 .

[0088] The vehicle air conditioning system 1 refers to the clothing level data CLr of the outside temperature data Tr including the outside temperature T ( S22 ). The main ECU 2 refers to the clothing level data CLr of the outside temperature data Tr including the outside temperature T detected in step S2 from the personalized characteristic map 26 and proceeds to step S23 .

[0089] The vehicle air conditioning system 1 compares the occupant's clothing level CL with the clothing level data CLr ( S23 ). The main ECU 2 compares the clothing level CL of the driver 21 as the occupant calculated in step S4 with the clothing level data CLr referred to from the personalized characteristic map 26 in step S23 , and proceeds to step S24 .

[0090] The vehicle air conditioning system 1 determines whether the clothing level CL of the occupant is within the clothing level data CLr ( S24 ). The main ECU 2 determines whether the clothing level CL of the driver 21 as the occupant calculated in step S4 is included in the clothing level data CLr referenced from the personalized characteristic map 26 .

[0091] In step S24, when the clothing level CL is within the clothing level data CLr (step S24: Yes), the vehicle air conditioning system 1 refers to the set temperature Pt of the clothing level data CLr (S25). The main ECU 2 refers to the outside temperature data Tr including the outside temperature T detected in step S2 and the set temperature Pt of the clothing level data CLr of the outside temperature data Tr from the personalized characteristic map 26, and proceeds to step S26.

[0092] The vehicle air conditioning system 1 performs air conditioning control of the referenced set temperature Pt (S26). The main ECU 2 drives and controls the air conditioning unit 6 by using the air conditioning control unit 5 so that the set temperature Pt referenced from the personalized characteristic map 26 is reached, and the process proceeds to step S27. That is, the main ECU 2 outputs a reproduction instruction signal from the reproduction user determination unit 14, and the reproduction instruction signal causes the air conditioning control unit 5 to drive and control the air conditioning unit 6 to the set temperature Pt. As a result, the air conditioning control unit 5 drives and controls the air conditioning unit 6 so that the vehicle interior temperature reaches the set temperature Pt.

[0093] The vehicle air conditioning system 1 determines whether the set temperature Pt is changed ( S27 ). The main ECU 2 determines whether the driver 21 has changed the set temperature Pt of the air conditioning unit 6 using the manual temperature setting unit 16 .

[0094] In step S27, when the set temperature Pt is changed (step S27: Yes), the vehicle air conditioning system 1 performs air conditioning control of the changed set temperature Ct in the same manner as step S13 (S28). The main ECU 2 causes the air conditioning control unit 5 to drive and control the air conditioning unit 6 so that the set temperature Ct is reached, and the process proceeds to step S29. That is, the air conditioning control unit 5 drives and controls the air conditioning unit 6 so that the vehicle interior temperature reaches the set temperature Ct.

[0095] Similar to step S14 , the vehicle air conditioning system 1 learns the outside temperature T, the clothing level CL, and the setting change temperature Ct changed by the driver 21 , rewrites the personalized characteristic map 26 ( S29 ), returns to the detection of the outside temperature T in step S2 , and repeats the subsequent processing.

[0096] Here, the personalized characteristic map 26 may rewrite the setting temperature Pt of the outside temperature data Tr of the air conditioning unit 6 including the current outside temperature T and the clothing level data CLr including the clothing level CL to the setting change temperature Ct. In this way, the personalized characteristic map 26 of the driver 21 is changed and saved (registered) in the registration information storage unit 13.

[0097] In addition, when the set temperature Pt is not changed in step S27 (step S27: No), the vehicle air conditioning system 1 returns to the detection of the outside temperature T in step S2 and repeats the subsequent processing.

[0098] In step S24, when the clothing level CL is not within the clothing level data CLr (step S24: No), the vehicle air conditioning system 1 detects the biological information of the occupant (S30). The main ECU 2 detects the biological information such as body temperature, pulse, heart rate, and sweating amount of the driver 21 as the occupant acquired by the biological information acquisition device 11, and proceeds to step S31.

[0099] The vehicle air conditioning system 1 determines whether the clothing level CL is large (S31). The main ECU 2 determines whether the clothing level CL of the driver 21 as the passenger is greater than the clothing level data CLr of the external temperature data Tr including the external temperature T in the personalized characteristic map 26. That is, the main ECU 2 determines whether the clothing level CL of the driver 21 calculated in step S4 is greater than the clothing level data CLr of the external temperature data Tr including the detected external temperature T.

[0100] In step S31, when the clothing level CL is greater than the clothing level data CLr (step S31: Yes), the vehicle air conditioning system 1 determines whether the body temperature of the occupant is high (S32). The main ECU 2 determines whether the body temperature in the biological information of the driver 21 detected in step S30 is higher than, for example, 37.0°C. It should be noted that the body temperature used for this determination may be determined to be higher than the usual body temperature (normal body temperature) of each driver 21.

[0101] In step S32, if the body temperature of the occupant is high (step S32: Yes), the vehicle air conditioning system 1 performs air conditioning control at the set temperature Pt+α (S33). The main ECU 2 causes the air conditioning control unit 5 to drive and control the air conditioning unit 6 so that the set temperature Pt+α (for example, Pt+3~5°C) is reached, and enters Fig.12 Step S38.

[0102] That is, the main ECU 2 outputs a playback instruction signal from the playback user determination unit 14, and the playback instruction signal causes the air conditioning control unit 5 to drive and control the air conditioning unit 6 to the set temperature Pt+α. As a result, the air conditioning control unit 5 drives and controls the air conditioning unit 6 so that the vehicle interior temperature becomes the set temperature Pt+α.

[0103] Here, since the driver 21 is wearing thicker clothes than usual and has a higher body temperature than usual, he is suspected to be unwell and is assumed to have a fever caused by a cold. Therefore, the vehicle air conditioning system 1 changes the temperature setting of the air conditioning unit 6 to a predetermined temperature α (for example, +3 to 5°C) higher than the set temperature Pt, so as not to excessively reduce the temperature inside the vehicle. In addition, the vehicle air conditioning system 1 may drive and control the air conditioning unit 6 in such a way that the temperature inside the vehicle does not fall below a predetermined temperature, for example, below 23 to 25°C.

[0104] On the other hand, in step S32, if the body temperature of the occupant is not high (step S32: No), the vehicle air conditioning system 1 performs air conditioning control at the set temperature Pt+β (S34). The main ECU 2 controls the air conditioning control unit 5 to drive the air conditioning unit 6 so that the set temperature Pt+β (for example, Pt+2~3°C) is reached, and returns to the determination routine of step S29, and repeats the subsequent processing.

[0105] That is, the main ECU 2 outputs a playback instruction signal from the playback user determination unit 14, and the playback instruction signal causes the air conditioning control unit 5 to drive and control the air conditioning unit 6 to the set temperature Pt+β. As a result, the air conditioning control unit 5 drives and controls the air conditioning unit 6 so that the vehicle interior temperature becomes the set temperature Pt+β.

[0106] Here, although the driver 21 is wearing thicker clothes than the last time he rode in the vehicle relative to the outside temperature T, he is not suspected of being unwell and is judged not to have a fever caused by a cold or the like. That is, it is assumed that the driver 21 feels a little cold in the vehicle interior. Therefore, the vehicle air conditioning system 1 changes the temperature setting of the air conditioning unit 6 to a predetermined temperature β (for example, about +2 to 3°C) higher than the set temperature Pt.

[0107] In addition, in step S31, when the clothing level CL is not greater than the clothing level data CLr (step S31: No), the vehicle air conditioning system 1 determines whether the body temperature, pulse, heart rate, sweating amount, etc. of the occupant are high (large) (S35). The main ECU 2 determines whether the body temperature, pulse, heart rate, sweating amount, etc. in the biological information of the driver 21 as the occupant detected in step S30 are higher (larger) than usual.

[0108] In step S35, if the body temperature, pulse, heart rate, sweating, etc. are higher (more) than usual (step S35: Yes), the vehicle air conditioning system 1 performs air conditioning control at the set temperature Pt-γ (S36). The main ECU 2 controls the air conditioning control unit 5 to drive the air conditioning unit 6 so that the set temperature Pt-γ (for example, Pt-5°C) is reached, and enters Fig.12 Step S38.

[0109] That is, the main ECU 2 outputs a playback instruction signal from the playback user determination unit 14, and the playback instruction signal causes the air conditioning control unit 5 to drive and control the air conditioning unit 6 to the set temperature Pt-γ. As a result, the air conditioning control unit 5 drives and controls the air conditioning unit 6 so that the vehicle interior temperature becomes the set temperature Pt-γ.

[0110] Here, since the driver 21 is wearing thinner clothes than the last time he got on the vehicle with respect to the outside temperature T, and his body temperature, pulse, heart rate, sweating amount, etc. are higher (more), it is assumed that he got on the vehicle after exercising, for example. Therefore, the vehicle air conditioning system 1 changes the temperature setting of the air conditioning unit 6 to be lower than the set temperature Pt by a predetermined temperature γ (for example, about -5°C).

[0111] On the other hand, in step S35, if the body temperature, pulse, heart rate, sweating, etc. are not high (high) (step S35: No), the vehicle air conditioning system 1 performs air conditioning control at the set temperature Pt-ε (S37). The main ECU 2 controls the air conditioning control unit 5 to drive the air conditioning unit 6 so that the set temperature Pt-ε (for example, Pt-2~3℃) is reached, and enters Fig.13 That is, the air conditioning control unit 5 drives and controls the air conditioning unit 6 so that the vehicle interior temperature becomes the set temperature Pt-ε.

[0112] That is, the main ECU 2 outputs a playback instruction signal from the playback user determination unit 14, and the playback instruction signal causes the air conditioning control unit 5 to drive and control the air conditioning unit 6 to the set temperature Pt-ε. As a result, the air conditioning control unit 5 drives and controls the air conditioning unit 6 so that the vehicle interior temperature becomes the set temperature Pt-ε.

[0113] Here, since the driver 21 is wearing thinner clothes than the last time he rode the vehicle with respect to the outside temperature T, his body temperature, pulse, heart rate, sweating amount, etc. are the same as usual, so it is assumed that the driver 21 feels slightly hot. Therefore, the vehicle air conditioning system 1 changes the temperature setting of the air conditioning unit 6 to a predetermined temperature ε (about -2 to 3°C) lower than the set temperature Pt.

[0114] In step S38 , the vehicle air conditioning system 1 determines whether the temperature setting Pt+α in step S33 or the temperature setting Pt-γ in step S36 is changed ( S38 ). The main ECU 2 determines whether the driver 21 changes the temperature setting Pt+α or the temperature setting Pt-γ of the air conditioning unit 6 using the manual temperature setting unit 16 .

[0115] In step S38, when the set temperature Pt+α or the set temperature Pt-γ is changed (step S38: Yes), the vehicle air conditioning system 1 performs air conditioning control of the changed set change temperature Ct in the same manner as steps S13 and S28 (S39). The main ECU 2 causes the air conditioning control unit 5 to drive and control the air conditioning unit 6 so that the set change temperature Ct is reached, and returns to the detection of the outside temperature T in step S2. That is, the air conditioning control unit 5 drives and controls the air conditioning unit 6 so that the vehicle interior temperature reaches the set change temperature Ct.

[0116] In step S38 , when the set temperature Pt+α or the set temperature Pt−γ is not changed (step S38 : No), the vehicle air conditioning system 1 returns to the detection of the outside temperature T in step S2 and repeats the subsequent processing.

[0117] In step S40, similar to steps S14 and S29, the vehicle air conditioning system 1 learns the outside temperature T, the clothing level CL, and the set temperature Pt+β or the set temperature Pt-ε changed by the driver 21, rewrites the personalized characteristic map 26 (S40), returns to the detection of the outside temperature T in step S2, and repeats subsequent processing.

[0118] Here, the personalized characteristic map 26 may rewrite the outside temperature data T of the air conditioning unit 6 including the current outside temperature T and the set temperature Pt of the clothing level data CLr including the clothing level CL to the set temperature Pt+β or the set temperature Pt-ε. In this way, the personalized characteristic map 26 of the driver 21 is changed and saved (registered) in the registration information storage unit 13.

[0119] As described above, in the case of the driver 21 who has ridden in the vehicle in the past, the vehicle air conditioning system 1 of the present embodiment drives and controls the air conditioning unit 6 in a manner that becomes the set temperature Pt corresponding to the outside temperature data Tr and the clothing level data CLr of the personalized characteristic map 26 based on the outside temperature T and the clothing level CL obtained from the clothing amount of the driver 21. That is, in the case where the driver 21 has not changed the clothing amount relative to the outside temperature T when riding in the vehicle in the past, the vehicle air conditioning system 1 reproduces the set temperature Pt at that time, and drives and controls the air conditioning unit 6.

[0120] It should be noted that, in the case of the driver 21 who has never ridden in the vehicle before, the vehicle air conditioning system 1 of the present embodiment drives and controls the air conditioning unit 6 at the set temperature Pt corresponding to the outside temperature data Tr of the basic characteristic map 25 based on the outside temperature T. Then, the vehicle air conditioning system 1 generates the basic characteristic map 25 as the personalized characteristic map 26 of the driver 21 and saves (stores) it.

[0121] Furthermore, when the driver 21 is suspected of being unwell or after exercising, the vehicle air conditioning system 1 drives and controls the air conditioning unit 6 so as to change the set temperature Pt to a predetermined temperature (Pt+α or Pt-γ).

[0122] Furthermore, unlike the previous time when the driver 21 rode in the vehicle, when the driver 21's clothing level CL changes or the set temperature Pt is changed to the set change temperature Ct with respect to the clothing level data CLr of the outside temperature data Tr of the personalized characteristic map 26 including the outside temperature T at that time, the vehicle air conditioning system 1 saves the clothing level data CLr including the changed clothing level CL and the personalized characteristic map 26 in which the set change temperature Ct is rewritten to the set temperature Pt. Thus, when the driver 21 rides in the vehicle next time, the vehicle air conditioning system 1 reproduces the set temperature Pt based on the rewritten personalized characteristic map 26 to drive and control the air conditioning unit 6.

[0123] The vehicle air conditioning system 1 drives and controls the air conditioning unit 6 at the same setting temperature Pt as the previous riding time, when the outside temperature T is less than or equal to the certain value in the outside temperature data Tr relative to the previous riding time, and the clothing level data CLr corresponding to the outside temperature data Tr includes the clothing level CL of the driver 21. That is, when the amount of clothing that the driver 21 wears for the outside temperature T does not change, the vehicle air conditioning system 1 drives and controls the air conditioning unit 6 at the setting temperature Pt based on the same situation (scene) as the previous riding time.

[0124] In addition, the vehicle air conditioning system 1 considers that the driver 21 feels slightly cold when the clothing level CL of the driver 21 is high and the clothes he wears are more, although the outside temperature T is below a certain value in the outside temperature data Tr compared with the previous ride. Therefore, the vehicle air conditioning system 1 drives and controls the air conditioning unit 6 in a manner that slightly weakens the cold wind and slightly strengthens the warm wind by increasing the set temperature Pt of the same situation (scene) as the previous ride by a predetermined temperature β.

[0125] The vehicle air conditioning system 1 considers that the driver 21 feels slightly hot when the outside temperature T is less than a certain value in the outside temperature data Tr compared to the previous ride, but the clothing level CL of the driver 21 is low and the clothes worn are less. Therefore, the vehicle air conditioning system 1 drives and controls the air conditioning unit 6 in a manner that slightly increases in the case of cold wind and slightly decreases in the case of warm wind by lowering the set temperature Pt of the same situation (scene) as the previous ride by a predetermined temperature ε.

[0126] In this way, when the driver 21 wears a different amount of clothes for the outside temperature T than in the past, the vehicle air conditioning system 1 changes the set temperature of the air conditioning unit 6 to control the strength of the cold or warm air. The vehicle air conditioning system 1 can also stop the air conditioning unit 6 and cut off the cold or warm air according to the outside temperature T and the amount of clothes the driver 21 wears.

[0127] In addition, each time the driver 21 gets in the vehicle, the vehicle air conditioning system 1 learns the clothing level data CLr including the clothing level CL that quantifies the amount of clothing of the driver 21, and the set temperature Pt of the air conditioning unit 6 corresponding to the external temperature data Tr including the external temperature T, and rewrites the personalized characteristic map 26 of the driver 21 for (update) storage.

[0128] It should be noted that even if the driver 21 takes off his clothes and wears light clothes, or wears thick clothes while riding in the vehicle, the vehicle air conditioning system 1 repeatedly executes Fig.10 The procedure of step S4 is performed, and the clothing level CL of the clothing amount is calculated. Therefore, the vehicle air conditioning system 1 can change the set temperature Pt of the air conditioning unit 6 corresponding to the change of the clothing amount of the driver 21.

[0129] In addition, when it is assumed that the driver 21 is unwell or has a fever caused by a cold, etc. based on the body temperature of the driver 21's biological information, the vehicle air conditioning system 1 drives and controls the air conditioning unit 6 in a manner that is a predetermined temperature α higher than the set temperature P and is weakened in the case of cold wind and strengthened in the case of warm wind.

[0130] That is, the vehicle air conditioning system 1 does not excessively lower the vehicle interior temperature. It should be noted that the vehicle air conditioning system 1 may change the wind direction of the air conditioning unit 6 so that the wind does not directly blow on the driver 21 .

[0131] In addition, when it is assumed from the driver 21's biological information such as body temperature, pulse, heart rate, sweat volume, etc. that the driver 21 is after exercise, the vehicle air conditioning system 1 drives and controls the air conditioning unit 6 in a manner that is lower than the set temperature Pt by a predetermined temperature γ and increases in the case of cold wind and decreases in the case of warm wind.

[0132] In this way, the vehicle air conditioning system 1 refers to the set temperature Pt of the air conditioning unit 6 from the personalized characteristic map 26 stored for each driver 21, based on the amount of clothing that the driver 21 wore in the past with respect to the outside temperature T, and controls the air conditioning unit 6 to be driven to the set temperature Pt. In addition, the vehicle air conditioning system 1 learns the amount of clothing that the driver 21 wore (clothing level CL) with respect to the outside temperature T and the set temperature Pt of the air conditioning unit 6 for each time the driver 21 rides, thereby rewriting (updating) the personalized characteristic map 26. That is, the vehicle air conditioning system 1 sets the temperature in the vehicle cabin in accordance with the preference of the driver 21 based on the difference in clothing with respect to the outside temperature T.

[0133] As described above, the vehicle air conditioning system 1 is configured to change the temperature in the vehicle interior by taking into account the difference in clothing worn by the driver 21 as an occupant in response to the outside temperature T when riding in the vehicle.

[0134] In addition, the main ECU 2 and the air conditioning control unit 5 have a processor including a central processing unit (CPU), a storage device such as a ROM and a RAM. In addition, the configuration of all or part of the multiple circuits of the processor can also be executed by software. For example, the CPU can also read and execute various programs corresponding to each function stored in the ROM. In addition, all or part of the functions of the processor can be composed of a logic circuit or an analog circuit, and the processing of various programs can also be realized by an electronic circuit such as an FPGA.

[0135] The invention described in the above embodiments is not limited to these modes, and various modifications can be implemented in the implementation stage without departing from the scope of the gist thereof. In addition, the above-mentioned modes include inventions at various stages, and various inventions can be extracted by appropriate combinations of the disclosed multiple constituent elements.

[0136] For example, when the above-described problem can be solved and the above-described effect can be obtained even if some components are deleted from all the components shown in each embodiment, the configuration from which the components are deleted can be extracted as an invention.

Claims

1. A vehicle air conditioning system, characterized in that: have: Air conditioning units; a temperature sensor that detects the current outside air temperature; detection equipment, which detects occupants; a storage unit storing characteristic data generated for each of the occupants including clothing level data and a set temperature of the air conditioning unit with respect to the outside temperature data; as well as A control mechanism calculates the clothing level of the occupant detected by the detection device, compares the calculated clothing level with the clothing level data corresponding to the external air temperature data including the external air temperature input from the temperature sensor, and refers to the set temperature of the clothing level data including the clothing level from the characteristic data, thereby driving and controlling the air conditioning unit.

2. The vehicle air conditioning system according to claim 1, characterized in that: The control means learns the clothing level data including the clothing level and the set temperature for each of the occupants with respect to the outside air temperature data of the characteristic data including the outside air temperature, and rewrites the characteristic data.

3. The vehicle air conditioning system according to claim 2, characterized in that: When the set temperature of the air conditioning unit is changed by the occupant, the control means learns the changed temperature as the set temperature and rewrites the characteristic data.

4. The vehicle air conditioning system according to claim 1 or 2, characterized in that: The vehicle air conditioning system includes a biological information acquisition device that acquires biological information of the occupant and outputs the biological information to the control unit. Based on the biological information input, the control mechanism changes the temperature to a first temperature setting that is a predetermined first temperature higher than the set temperature of the air conditioning unit when the occupant's body temperature is high, and changes the temperature to a second temperature setting that is a predetermined second temperature lower than the set temperature of the air conditioning unit when the occupant's body temperature, pulse, heart rate, and sweating are high.

5. A vehicle air conditioning system, characterized in that: have: Air conditioning units; a temperature sensor that detects the current outside air temperature; detection equipment, which detects occupants; a memory storing characteristic data generated for each of the occupants including clothing level data and a set temperature of the air conditioning unit with respect to the outside temperature data; as well as A control unit that calculates the clothing level of the occupant detected by the detection device, compares the calculated clothing level with the clothing level data corresponding to the external air temperature data including the external air temperature input from the temperature sensor, and refers to the set temperature of the clothing level data including the clothing level from the characteristic data, thereby driving and controlling the air conditioning unit.

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