JP5369476B2 - Air conditioner for vehicles - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To regulate temperature of the seating surface of a driver seat 1 in a short time before an occupant gets inside a vehicle. <P>SOLUTION: The temperature of the seating surface of the driver seat 1 is regulated by cold air from a console air conditioning unit 90 arranged between seats 1, 2 in a cabin before the occupant gets inside the vehicle, thereby regulating the temperature of the seating surface of the driver seat 1 within the short period of time. Since the driver seat 1 is warmed up by a seat heater 69a housed in the driver seat 1, the temperature of the seating surface is regulated within the short period of time. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a vehicle air conditioner that adjusts the temperature of a passenger compartment before a person enters the vehicle.

This type of air conditioner includes a front indoor air conditioning unit arranged on the front side of the vehicle interior, and the temperature of the vehicle interior before the person gets into the vehicle by the conditioned air blown from the outlet of the front indoor air conditioning unit. Some adjust the temperature to the set temperature.
JP 2004-106694 A

  In the vehicle air conditioner described above, when the temperature of the seating surface of the seat is adjusted by the conditioned air blown from the front air conditioning unit before a person enters the vehicle, the air outlet of the front indoor air conditioning unit and the seat Therefore, it takes a long time for the temperature of the seating surface of the seat to reach the set temperature. Along with this, excessive electric power is consumed by electric equipment such as a blower constituting the front indoor air conditioning unit, which may lead to a shortage of the charge amount of the in-vehicle battery.

  An object of the present invention is to provide a vehicle air conditioner that can adjust the temperature of a seating surface of a seat in a short period of time before a person gets into the vehicle.

In order to achieve the above object, according to the first aspect of the present invention, the first air conditioning unit (90) disposed on the seat side in the passenger compartment and supplied with electric power from the battery to blow conditioned air toward the seating surface of the seat; ,
A timer for setting a time for starting control of the first air conditioning unit;
By starting the control of the first air conditioning unit at the time set by the timer, the control of the first air conditioning unit is started before the person gets into the vehicle, and the temperature of the seating surface of the seat is set. Air conditioning control means ( S145 ) to adjust ,
The first air conditioning unit has a first heat exchanger (93) that cools air by evaporating refrigerant to generate cold air,
The air conditioning control means is a vehicle air conditioner that controls the first air conditioning unit to adjust the temperature of the seating surface of the seat by the cold air,
A second heat exchanger (38) that cools the air by evaporation of the refrigerant, and a second air conditioning unit (30) that blows out the air that has passed through the second heat exchanger into the vehicle interior;
A compressor (40) which constitutes a refrigeration cycle together with the first and second heat exchangers, compresses the refrigerant and discharges the refrigerant toward the first and second heat exchangers;
A valve (43) for connecting or blocking between the refrigerant outlet side of the compressor and the refrigerant inlet side of the second heat exchanger,
The air conditioning control means controls the first air conditioning unit in a state where the valve cuts off the refrigerant outlet side of the compressor and the refrigerant inlet side of the second heat exchanger. Adjust the temperature of the seating surface of the seat by the air conditioning air,
The first air conditioning unit is configured to blow air conditioned air to each of a seating surface of a driver seat and a seating surface of a passenger seat as a seating surface of the seat,
The air conditioning control means controls the first air conditioning unit to adjust the temperature of the seating surface of the driver seat in preference to the seating surface of the passenger seat.

As a result, the temperature of the seating surface of the seat is adjusted by the conditioned air from the first air conditioning unit (90) arranged on the seat side in the passenger compartment, so that the temperature of the seating surface of the seat before a person gets into the vehicle The temperature can be adjusted in a short time.
In the invention described in 請 Motomeko 2, comprising a calculating means for calculating the first target air temperature of air blown out from the air conditioning unit (TAO),
The target air temperature is a temperature of air blown from the first air conditioning unit, which is necessary for maintaining the vehicle interior air temperature at a preset desired temperature,
A target air temperature determining means (S130) for determining whether or not the target air temperature is less than a threshold;
The air conditioning control means starts control of the first air conditioning unit when the target air temperature determining means determines that the target air temperature is less than a threshold before a person enters the vehicle. And

According to a third aspect of the present invention, a third air conditioning unit (30) that is supplied with electric power from the battery and blows conditioned air to the steering in the vehicle interior;
Charge amount determination means (S150) for determining whether or not the charge amount of the battery is less than a threshold;
Steering temperature control means (S160) for controlling the third air conditioning unit (30) to blow the conditioned air toward the steering when the charge amount judging means judges that the charge amount of the battery is equal to or greater than a threshold value. ,
It is characterized by providing.

  In addition, the code | symbol in the bracket | parenthesis of each means described in this column and the claim shows the correspondence with the specific means as described in embodiment mentioned later.

(First embodiment)
1, 2, and 3 show a schematic configuration of an embodiment of a vehicle air conditioner according to the present invention.

  FIG. 1 is a diagram showing the arrangement of the vehicle air conditioner in the vehicle interior, FIG. 2 is a diagram showing the configuration of the vehicle air conditioner, and FIG. 3 is a perspective view showing the arrangement of the vehicle air conditioner in the vehicle interior. is there.

  As shown in FIG. 1, the vehicle air conditioner includes a front air conditioning unit 30. The front air-conditioning unit 30 (third air-conditioning unit) is disposed on the inside of the instrument panel (instrument panel) 1 at the forefront of the vehicle interior. As shown in FIG. 2, the front air conditioning unit 30 includes a case 31, and constitutes an air passage through which air is blown toward the vehicle interior.

  An inside / outside air switching box 32 is arranged in the most upstream part of the air passage of the case 31, and the inside / outside air inlet 33 and the outside air inlet 34 are switched by an inside / outside air switching door 35. The inside / outside air switching door 35 is driven by a servo motor 36.

  On the downstream side of the inside / outside air switching box 32, an electric blower 37 that blows air toward the passenger compartment is disposed. The blower 37 is configured to drive a centrifugal blower fan 37a by a motor 37b. A cooling heat exchanger 38 for cooling the blown air is disposed on the downstream side of the blower 37.

  The cooling heat exchanger 38 is one of the elements constituting the refrigeration cycle apparatus 39, and cools the blown air by evaporating the low-temperature and low-pressure refrigerant by absorbing heat from the blown air.

  The refrigeration cycle device 39 is a well-known device so that the refrigerant circulates from the discharge side of the compressor 40 to the cooling heat exchanger 38 through the condenser 41, the liquid receiver 42, and the expansion valve 43 that constitutes the pressure reducing means. It is configured. The expansion valve 43 is constituted by an electric valve, and has a function of fully closing the refrigerant flow path with the valve body in addition to adjusting the throttle amount of the refrigerant flow path with the valve body.

  Outdoor air (cooling air) is blown to the condenser 41 by an electric cooling fan 41a. The cooling fan 41a is driven by a motor 41b.

  In the refrigeration cycle apparatus 39, as the compressor 40, an electric compressor driven by an electric motor is used.

  On the other hand, in the front air conditioning unit 30, a heater unit 44 for heating the air flowing in the case 31 is disposed downstream of the cooling heat exchanger 38. The heater unit 44 is a heating heat exchanger that heats the air (cold air) that has passed through the cooling heat exchanger 38 by using warm water of the vehicle engine (that is, engine cooling water) as a heat source.

  A bypass passage 45 is formed on the side of the heater unit 44, and the bypass air of the heater unit 44 flows through the bypass passage 45. An air mix door 46 serving as a temperature adjusting means is rotatably disposed between the cooling heat exchanger 38 and the heater unit 44. The air mix door 46 is driven by a servo motor 47 so that its rotational position (opening) can be continuously adjusted.

  The ratio of the amount of air passing through the heater unit 44 (warm air amount) and the amount of air passing through the bypass passage 45 and bypassing the heater unit 44 (cold air amount) is adjusted by the opening of the air mix door 46, thereby The temperature of the air blown into the passenger compartment is adjusted.

  In the most downstream part of the air passage of the case 31, a defroster opening 48 for blowing conditioned air toward the front window glass 12 of the vehicle, a face opening 49 for blowing conditioned air toward the face of the occupant, There are three types of openings, a foot opening 50 for blowing air-conditioned air toward the feet of the passenger.

  A defroster door 51, a face door 52, and a foot door 53 are rotatably disposed upstream of the openings 48 to 50. These doors 51 to 53 are opened and closed by a common servo motor 54 through a link mechanism (not shown).

  Here, the face opening 49 communicates with the air outlets 491, 492, 493, 494 through the duct 490. The air outlet 491 is disposed in front of the steering wheel 3 on the driver's seat side. The air outlet 492 is arranged on the driver's seat side on the center side in the vehicle width direction. The air outlet 493 is disposed on the passenger seat side on the center side in the vehicle width direction. The air outlet 494 is disposed at a position that is line-symmetric with respect to the air outlet 491 with the center in the vehicle width direction as the center.

  Louvers 500 are provided at the air outlets 491, 492, 493, 494, respectively. FIG. 4 shows a view of the louver 500 viewed from the rear side of the vehicle.

  The louver 500 is composed of five vertical slats 501 and five horizontal slats 502. The five vertical blades 501 are adjusted in the wind direction left and right by the swing, and the five horizontal blades 502 are adjusted in the wind direction up and down by the swing. Further, the louver 500 can be closed at the outlet by five vertical blades 501 and five horizontal blades 502.

  As shown in FIG. 1, the vehicle air conditioner includes a console air conditioning unit 90 as a first air conditioning unit (or a seat air conditioning unit). The console air-conditioning unit 90 is disposed between the driver seat (driver's seat) 1 and the passenger seat (passenger seat) 2 (that is, in the center in the vehicle width direction).

  The console air conditioning unit 90 includes a casing 91, and the casing 91 includes an inside air introduction hole 91a.

  An electric blower 92 is disposed in the casing 91. The electric blower 92 is disposed at the most upstream portion in the casing 91, and the electric blower 92 is configured such that a centrifugal blower fan 92b is driven by an electric motor 92a. The electric blower 92 introduces vehicle interior air from the inside air introduction port 91a and blows it out toward the openings 910, 911, 912, and 913.

  A cooling heat exchanger 93 is disposed in the casing 91. The cooling heat exchanger 93 is disposed on the air downstream side of the electric blower 92 and cools the blown air from the electric blower 92 by evaporation of the refrigerant. Thereby, cold air is blown out from the heat exchanger 93 for cooling.

  The cooling heat exchanger 93 is arranged in parallel with the cooling heat exchanger 38 with respect to the refrigerant flow from the compressor 40. An expansion valve 93a as an electric valve is disposed upstream of the refrigerant with respect to the cooling heat exchanger 93. The expansion valve 93a is constituted by an electric valve, and has a function of fully closing the refrigerant flow path by the valve body in addition to adjusting the throttle amount of the refrigerant flow path by the valve body.

  An electric heater 94 (for example, a PTC heater) is disposed in the casing 91. The electric heater 94 heats the cold air blown from the cooling heat exchanger 93 and adjusts the temperature to generate conditioned air.

  The casing 91 includes openings 910, 911, 912, and 913.

  The opening 910 blows conditioned air toward the seat cushion 1a and the seat back 1b of the driver seat 1.

  The opening 911 blows out cold air toward a large number of micro outlets 100 through ducts (not shown) in the driver seat 1. A number of micro outlets 100 are provided in each of the seat cushion 1a and the seat back 1b.

  The opening 912 blows out cold air toward the seat cushion 2a and the seat back 2b of the passenger seat 2.

The opening 913 blows out cold air toward a number of micro outlets 100 through ducts (not shown) in the passenger seat 2. A number of micro outlets 100 are provided in each of the seat cushion 2a and the seat back 2b.

  Louvers 500 are arranged in the openings 910 and 912, respectively. Louver 500 adjusts the direction of air blown out from opening 910 (912). Doors 911a and 913a are rotatably arranged on the upstream side of the openings 911 and 913. Each louver 500 and doors 911a and 913a are opened and closed by a common servo motor 920 via a link mechanism (not shown).

  Next, the electrical configuration of the present embodiment will be described with reference to FIG.

  The air-conditioning electronic control device 26 (referred to as an air-conditioning ECU in the figure) is composed of a well-known microcomputer including a CPU, ROM, RAM, and the like and its peripheral circuits. This electronic control unit 26 for air conditioning stores a computer program for air conditioning control in its ROM, and performs various calculations and processes based on the computer program.

  The air conditioning electronic control unit 26 receives detection signals from the sensor groups 61 to 66, 67a, 67b, 68a, 68b, various signals from the air conditioning operation panel 70, and the verification ECU 80.

  Specifically, as the sensor group, an outside air sensor 61 that detects an outside air temperature (outside temperature) Tam, an inside air sensor 62 that detects an inside temperature (inside temperature) Tr, and an amount of solar radiation Ts incident on the inside of the vehicle are detected. A solar radiation sensor 63 for cooling, a heat exchanger temperature sensor 64 for cooling which is arranged in the air blowing portion of the cooling heat exchanger 38 to detect the cooling heat exchanger blowing air temperature Te, and hot water flowing into the heater unit 44 (engine cooling) A water temperature sensor 65 for detecting the water temperature Tw, an infrared sensor 66 for detecting the surface temperature Tir of the driver (or driver seat), and the like are provided. The infrared sensor 66 detects the surface temperature Tir in a non-contact manner based on infrared rays incident from the driver.

  The sensor 67 a is a seating sensor that is built in the driver seat 1 and detects seating of the occupant, and is a normally open switch that is turned on when the occupant is seated on the driver seat 1.

  The sensor 67 b is a seating sensor that is built in the passenger seat 2 and detects seating of the passenger, and is a normally open switch that is turned on when the passenger sits on the passenger seat 2.

  The sensor 68a is a sensor for detecting the charge amount of the high voltage battery Bh. Specifically, the sensor 68a includes a sensor that detects the potential of the positive electrode of the high voltage battery Bh and a sensor that detects a current that charges or discharges the high voltage battery Bh.

  The sensor 68b is a sensor for detecting the charge amount of the low voltage battery BL. Specifically, the sensor 68b includes a sensor that detects the potential of the positive electrode of the low voltage battery BL and a sensor that detects a current that charges or discharges the low voltage battery BL.

  The air-conditioning operation panel 70 includes a temperature setting switch 71 serving as a temperature setting means for setting a set temperature Tset in the passenger compartment as various air-conditioning operation members, and a blowing mode switch for manually setting a blowing mode switched by the blowing mode doors 51 to 53. 72, an inside / outside air switching switch 73 for manually setting the inside / outside air suction mode by the inside / outside air switching door 35, an air conditioner switch 74 for outputting an operation command signal for the compressor 40, a blower operation switch 75 for manually setting the air volume of the blower 37, and air conditioning automatic control An auto switch 76 or the like for outputting a state command signal is provided.

  The verification ECU 80 determines whether or not the registration code transmitted from the portable wireless terminal 81 matches a predetermined code via wireless communication with the portable wireless terminal 81, and both codes match. In some cases, the door is unlocked.

  The portable wireless terminal 81 of this embodiment is provided with an operation switch 81a for instructing execution of a pre-air conditioning mode to be described later. The portable wireless terminal 81 operates in the pre-air conditioning mode when the operation switch 81a is operated. A command signal for commanding the start of is transmitted.

  On the output side of the air-conditioning electronic control device 26, an inverter circuit (indicated as A / C INV in the figure) 40a that outputs a control signal to an electric motor for driving the compressor 40, and a servo motor that constitutes electric drive means for each device 36, 47, 54, 510, 920, motors 37b and 92a of the blowers 37 and 92, a motor 41b of the condenser cooling fan 41a and the like are connected, and the operation of these devices is controlled by an output signal of the air conditioning electronic control unit 26. Is done.

  In the present embodiment, the electronic control unit 26, the servo motors 36, 47, 54, 510, and 920, the motors 37b and 92a of the blowers 37 and 92, and the motor 41b of the condenser cooling fan 41a are powered from the low voltage battery BL. Supplied. The inverter circuit 40a is supplied with power from the high voltage battery Bh.

  In the present embodiment, seat heaters 69a and 69b are provided. The seat heater 69 a is an electric heater disposed in the driver seat 1.

  The seat heater 69a is disposed from the seat cushion 1a to the seat back 1b. The seat heater 69 b is an electric heater disposed in the passenger seat 2. The seat heater 69b is disposed from the seat cushion 2a to the seat back 2b. The seat heaters 69a and 69b are controlled by the air conditioning electronic control unit 26.

  Next, the operation of this embodiment in the above configuration will be described.

  First, the air-conditioning electronic control device 26 executes pre-air-conditioning control processing according to the flowcharts shown in FIGS. The pre-air conditioning control process is a process for air-conditioning the passenger compartment before the occupant gets into the vehicle, and is repeated at regular intervals.

  First, in step S100, it is determined whether or not a pre-air conditioning command signal transmitted from the portable wireless terminal 81 has been received via the verification ECU 80.

  The pre-air conditioning command signal is transmitted from the portable wireless terminal 81 when the operation switch 81a of the portable wireless terminal 81 is operated.

  At this time, when the pre-air conditioning command signal transmitted from the portable wireless terminal 81 is received via the verification ECU 80, the start of the pre-air conditioning mode for dehumidifying the vehicle interior is determined, and the process proceeds to step S110.

  Here, the required blowing temperature TAO is calculated. Necessary blowing temperature TAO is the blowing air temperature necessary for maintaining the vehicle cabin air temperature at the desired temperature Tset regardless of the fluctuation of the air conditioning load in the vehicle cabin. The calculation method of the required blowing temperature TAO is a well-known method, and is calculated from the outside air temperature Tam, the inside air temperature Tr, the solar radiation amount Ts, the cooling heat exchanger blown air temperature Te, and the like.

  Next, in step S120, it is determined whether the required blowing temperature TAO is 43 ° C. or higher.

  At this time, if the required blowing temperature TAO is 43 ° C. or higher (TAO ≧ 43 ° C.), the determination is YES, the process proceeds to step S140, and the seat heater 69a is energized. For this reason, the seat cushion 1a and the seat back 1b of the driver seat 1 are warmed. Thereafter, the process proceeds to step S150.

  If the required blowing temperature TAO is 43 ° C. or lower in step S120, it is determined in step S130 whether the required blowing temperature TAO is 20 ° C. or lower.

  When the required blowing temperature TAO is 20 ° C. or lower, it is determined as YES, and the process proceeds to step S145.

  In step S145, cold air is blown out from the console air conditioning unit 90 to the seat cushion 1a and the seat back 1b of the driver seat 1 as conditioned air.

  More specifically, the inverter circuit 40 a is controlled to operate the compressor 40, and the expansion valve 43 shuts off the compressor 40 and the cooling heat exchanger 38. For this reason, the refrigerant discharged from the compressor 40 flows in the order of the condenser 41 → the liquid receiver 42 → the expansion valve 93 a → the cooling heat exchanger 93 → the compressor 40.

  Further, the electric motor 92 a is driven to blow air by the electric blower 92.

For this reason, when the blown air from the electric blower 92 passes through the cooling heat exchanger 93, the blown air is cooled by evaporation of the refrigerant in the cooling heat exchanger 93. For this reason, cold air is blown out from the cooling heat exchanger 93. This cold air passes through the electric heater 94. Incidentally, the heating value of the electric heater 94 for cold air, Ru determined based on the required outlet temperature TAO.

  Further, only the door 910a is opened by the servo motor 920. For this reason, cold air is blown out from the opening 910 toward the surface (sitting surface) of the seat cushion 1a of the driver seat 1 and the surface (sitting surface) of the seat back 1b.

When the process of step S 145 or step S 140 is thus completed, the process proceeds to step S 150 (charge amount determination means), and the respective charge amounts of the batteries Bh and BL are equal to or greater than a certain value based on the sensors 68 a and 68 b. It is determined whether or not.

  Note that detection of the amount of charge of each of the batteries Bh and BL is well known and will not be described.

  When the charge amounts of the batteries Bh and BL are less than a certain value, it is determined as NO in Step S150, and the process proceeds to Step S155. At this time, the process of step S145 or step S140 is stopped.

  On the other hand, when the respective charge amounts of the batteries Bh and BL are equal to or greater than a certain value, YES is determined in step S150, and the process proceeds to step S160. Along with this, the front air conditioning unit 30 is operated (steering temperature adjusting means). At this time, the expansion valve 43 connects between the compressor 40 and the cooling heat exchanger 38. For this reason, the refrigerant discharged from the compressor 40 flows into the cooling heat exchanger 93 through the condenser 41, the liquid receiver 42, and the expansion valve 93a.

  Further, the servo motor 54 opens the face opening 49 by the door 52 and closes the openings 50 and 51 by the doors 51 and 53.

  The servo motor 510 closes the air outlets 492, 493, 494 by the louvers 500 of the air outlets 492, 493, 494, and the direction of the wind blown from the air outlet 491 by the louver 500 of the air outlet 491 by the servo motor 510 is steered 3. Turn to.

  Therefore, the temperature of the blown air from the blower 37 is adjusted by the cooling heat exchanger 38, the heater unit 44, and the air mix door 46, and blown out from the blowout port 491 toward the steering 3 as cold air. For this reason, the temperature of the steering 3 is adjusted by the cold air.

  Next, in step 170, it is determined whether or not the surface temperature of the driver sheet has reached the set temperature Tset.

  Specifically, the absolute value | ΔT | of the difference ΔT (= Tir−Tset) between the detected temperature Tir of the infrared sensor 66 and the set temperature Tset is obtained, and it is determined whether or not | ΔT | To do.

  When | ΔT | is equal to or greater than a certain value, it is determined that the surface temperature of the driver seat has not reached the set temperature Tset, and the process proceeds to step S100.

On the other hand, when | ΔT | is less than a certain value, it is determined that the surface temperature of the driver seat has reached the set temperature Tset, YES, and the process proceeds to step S180 .

And have you in step 180, a person is determined whether or not the ride. Specifically, it is determined whether or not an occupant is seated on one of the seats 1 and 2 based on the sensors 67a and 67.

Here, the occupant is not seated, when a person is determined as NO as not riding, the process returns to step S100, and repeats the processing in step S100~S 180. When the occupant is seated on one of the seats 1 and 2, it is determined as YES because a person is on the vehicle.

  Next, it is determined in step S190 (occupant determination means) whether or not there is only one passenger. When an occupant is seated only on the driver seat 1, it is determined as YES. In this case, the routine proceeds to step 200 where air conditioning is performed with priority only on the driver seat 1.

  Specifically, the servo motor 920 is controlled to drive the door 913a and the louver 500 of the opening 912 to close the openings 913 and 912, and drive the louver 500 of the opening 910 to open the opening 910. The wind direction from the driver seat 1 is directed toward the passenger's thigh and chest.

  Along with this, the conditioned air is blown out from the opening 910 so as to graze the occupant's thighs and the chest area of the driver seat 1.

In addition, the door 911a is driven to open the opening 911. For this reason, the conditioned air blown out from the opening 911 is blown out from the micro air outlet 100 of the seat cushion 1a of the driver seat 1 and the micro air outlet 100 of the seat back 1b. Thereby, the temperature of a passenger | crew's contact surface among the seating surfaces of the driver seat 1 can be adjusted.

  Further, when an occupant is seated on the passenger seat 2 in addition to the driver seat 1, it is determined as NO in step S190. In this case, the process proceeds to step S220, where the louver 500 and the doors 911a and 913a are driven by the servo motor 920, and the seats are air-conditioned, that is, the seats 1 and 2 are air-conditioned.

  Specifically, the louver 500 of the opening 910 is driven to direct the wind direction from the opening 910 to the vicinity of the passenger's thigh and the chest of the driver seat 1. Along with this, the conditioned air is blown out from the opening 910 so as to graze the occupant's thighs and the chest area of the driver seat 1.

  In addition, the door 911a is driven to open the opening 911. For this reason, the conditioned air blown out from the opening 911 is blown out from the micro air outlet 100 of the seat cushion 1a of the driver seat 1 and the micro air outlet 100 of the seat back 1b. Thereby, the temperature of a passenger | crew's contact surface among the seating surfaces of the driver seat 1 can be adjusted.

  Further, the louver 500 of the opening 912 is driven to direct the wind direction from the opening 912 to the vicinity of the passenger's thigh and the chest of the passenger seat 2. Accordingly, the conditioned air is blown out from the opening 912 so as to graze the passenger's thighs and the chest area of the passenger seat 2.

  In addition, the door 913a is driven to open the opening 913. For this reason, the conditioned air blown out from the opening 913 is blown out from the micro air outlet 100 of the seat cushion 2a of the passenger seat 2 and the micro air outlet 100 of the seat back 2b. Thereby, the temperature of a passenger | crew's contact surface among the seating surfaces of the passenger seat 2 can be adjusted. Steps S200 and S220 constitute seat air conditioning control means.

  According to the present embodiment described above, the surface temperature of the seating surface of the driver seat 1 is adjusted by the cold air from the console air conditioning unit 90 disposed on the seats 1 and 2 side in the vehicle interior. Temperature can be adjusted in a short time. Further, since the driver seat 1 is warmed by the seat heater 69a built in the driver seat 1, the temperature of the seating surface can be adjusted in a short period of time.

  As described above, the temperature of the seating surface of the driver seat 1 can be adjusted in a short time before a person gets into the vehicle.

  Here, since the surface temperature of the seating surface of the driver seat 1 is adjusted by the cool air from the console air conditioning unit 90, the passenger comfort is provided with a small amount of heat compared to the case where the temperature of the entire seat such as the seat cushion is adjusted. be able to.

(Other embodiments)
In the above-described embodiment, an example in which the console air-conditioning unit 90 is used as the first air-conditioning unit has been described, but the door air-conditioning unit 200 illustrated in FIG. 8 may be used instead.

  As shown in FIG. 8, the door air conditioning unit 200 is a unit built in the door panel, and includes a casing 201 having outlets 230, 232 a, and 232 b, and a cooling heat exchanger ( And an electric blower 210 that generates an air flow toward the outlets 230, 232a, and 232b in the casing 201.

  In the above-described embodiment, the console air conditioning unit 90 is configured to be able to adjust the blown air temperature independently of the front air conditioning unit 30, but instead, the console air conditioning unit 90 adjusts the air temperature. The air-conditioning air whose temperature is adjusted by the front air-conditioning unit 30 may be blown out from the console air-conditioning unit 90 without performing the above.

  For example, an air conditioning duct that guides the conditioned air blown from the front air conditioning unit 30 to the rear seat side of the vehicle interior is arranged at the center in the vehicle width direction as the console air conditioning unit 90, and the driver seat using the conditioned air flowing through the air conditioning duct Air blown air to 1

In the above embodiment, an example in which both are arranged between the electric heater 94 in the casing 91 of the console air conditioning unit 90 and cooling heat exchanger 93 is not limited to this, without using an electric heater 94 casing Only the heat exchanger 93 for cooling may be arranged in the 91.

  In the above-described embodiment, an example in which the number of occupants is determined using the seating sensors 67a and 67b has been described, but various sensors such as an infrared sensor and a camera may be used instead.

  In the above-described embodiment, the example in which the air conditioning is started before the occupant enters the vehicle based on the signal transmitted from the portable wireless terminal 81 has been described. Instead, the time is set in advance using a timer or the like. The air conditioning may be started at the set time.

It is a schematic diagram which shows arrangement | positioning of the indoor air conditioning unit of the vehicle air conditioner in one Embodiment of this invention. It is a schematic diagram which shows schematic structure of the indoor air conditioning unit in the above-mentioned embodiment. It is a schematic diagram which shows arrangement | positioning of the indoor air conditioning unit in the above-mentioned embodiment. It is a figure which shows the louver in FIG. It is a figure which shows the sheet | seat in FIG. It is a flowchart for the control processing of the electronic controller for air conditioning of FIG. It is a flowchart for the control processing of the electronic controller for air conditioning of FIG. It is a schematic diagram which shows the structure of the vehicle air conditioner of the modification in one Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Driver seat 2 Passenger seat 26 Electronic control unit 30 Front air-conditioning unit 31 Case 32 Inside / outside air switching box 38 Cooling heat exchanger 39 Refrigeration cycle device 40 Compressor Bh High voltage battery BL Low voltage battery 67a Sensor 67b Sensor 68b Sensor 69a Seat heater 69b Seat heater 80 Verification ECU
81 portable wireless terminal 90 console air conditioning unit 91 casing 491 air outlet 492 air outlet 493 air outlet 494 air outlet 500 louver 910 opening 911 opening 912 opening 913 opening

Claims (3)

A first air conditioning unit (90) that is disposed on the seat side in the passenger compartment and is supplied with electric power from a battery and blows conditioned air toward the seating surface of the seat;
A timer for setting a time for starting control of the first air conditioning unit;
By starting the control of the first air conditioning unit at the time set by the timer, the control of the first air conditioning unit is started before the person gets into the vehicle, and the temperature of the seating surface of the seat is set. Air conditioning control means ( S145 ) to adjust ,
The first air conditioning unit has a first heat exchanger (93) that cools air by evaporating refrigerant to generate cold air,
The air conditioning control means is a vehicle air conditioner that controls the first air conditioning unit to adjust the temperature of the seating surface of the seat by the cold air,
A second heat exchanger (38) that cools the air by evaporation of the refrigerant, and a second air conditioning unit (30) that blows out the air that has passed through the second heat exchanger into the vehicle interior;
A compressor (40) which constitutes a refrigeration cycle together with the first and second heat exchangers, compresses the refrigerant and discharges the refrigerant toward the first and second heat exchangers;
A valve (43) for connecting or blocking between the refrigerant outlet side of the compressor and the refrigerant inlet side of the second heat exchanger,
The air conditioning control means controls the first air conditioning unit in a state where the valve cuts off the refrigerant outlet side of the compressor and the refrigerant inlet side of the second heat exchanger. Adjust the temperature of the seating surface of the seat by the air conditioning air,
The first air conditioning unit is configured to blow air conditioned air to each of a seating surface of a driver seat and a seating surface of a passenger seat as a seating surface of the seat,
The vehicle air conditioner is characterized in that the air conditioning control means controls the first air conditioning unit to adjust the temperature of the seating surface of the driver seat in preference to the seating surface of the passenger seat . Calculating means for calculating a target air temperature (TAO) of air blown from the first air conditioning unit;
Temperature detecting means (62) for detecting the air temperature in the passenger compartment,
The target air temperature is a temperature of air blown from the first air conditioning unit, which is necessary for maintaining the vehicle interior air temperature at a preset desired temperature,
A target air temperature determining means (S130) for determining whether or not the target air temperature is less than a threshold;
The air conditioning control means starts control of the first air conditioning unit when the target air temperature determining means determines that the target air temperature is less than a threshold before a person enters the vehicle. The vehicle air conditioner according to claim 1 . A third air conditioning unit (30) which is supplied with electric power from the battery and blows out conditioned air to the steering in the vehicle interior;
Charge amount determination means (S150) for determining whether or not the charge amount of the battery is less than a threshold;
Steering temperature control means (S160) for controlling the third air conditioning unit (30) to blow the conditioned air toward the steering when the charge amount judging means judges that the charge amount of the battery is equal to or greater than a threshold value. ,
The vehicle air conditioner according to claim 1 or 2 , further comprising:

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