WO2019189499A1 - Dispositif de chauffage de véhicule et véhicule doté du dispositif de chauffage de véhicule - Google Patents

Dispositif de chauffage de véhicule et véhicule doté du dispositif de chauffage de véhicule Download PDF

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Publication number
WO2019189499A1
WO2019189499A1 PCT/JP2019/013420 JP2019013420W WO2019189499A1 WO 2019189499 A1 WO2019189499 A1 WO 2019189499A1 JP 2019013420 W JP2019013420 W JP 2019013420W WO 2019189499 A1 WO2019189499 A1 WO 2019189499A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
heating device
heater
occupant
seat
Prior art date
Application number
PCT/JP2019/013420
Other languages
English (en)
Japanese (ja)
Inventor
晃 小森
美緒 古井
憲作 齋藤
悠 中嶋
濱本　浩
宮崎　洋一
秀明 西井
祐昭 重中
Original Assignee
パナソニックＩｐマネジメント株式会社
株式会社日本クライメイトシステムズ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2019040715A external-priority patent/JP7182171B2/ja
Application filed by パナソニックＩｐマネジメント株式会社, 株式会社日本クライメイトシステムズ filed Critical パナソニックＩｐマネジメント株式会社
Priority to EP19775583.8A priority Critical patent/EP3778273B1/fr
Publication of WO2019189499A1 publication Critical patent/WO2019189499A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R7/00—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps
    • B60R7/04—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps in driver or passenger space, e.g. using racks

Definitions

  • the present invention relates to a vehicle heating apparatus provided in, for example, an automobile and a vehicle including the vehicle heating apparatus, and particularly belongs to the technical field of radiant heating.
  • the air conditioning unit for the passenger compartment includes a refrigeration cycle device, a heater core and a blower for circulating engine cooling water, air conditioning air blown by the blower, an engine cooling for circulating the refrigerant and the heater core circulating in the refrigeration cycle device. It is configured so that air-conditioned air having a desired temperature is obtained by exchanging heat with water. Further, in an electric vehicle or the like that does not include the heater core, air conditioning in the vehicle interior is also performed by a heat pump device.
  • an automobile in addition to the passenger compartment air conditioning unit, an automobile may be equipped with a direct heating device for directly heating an occupant, a radiant heating device for heating by radiant heat, and the like (for example, Patent Documents). 1 and 2).
  • a steering heater, a seat heater, and an armrest heater are provided as direct heating devices, and a radiant heater provided at a portion away from the passenger shin as a radiant heating device.
  • a radiant heater that radiates heat toward the rear seat occupant is provided on the back surface of the front seat.
  • a cold sensation may be strongly felt on the side of the calf and shin, and this sensation may be a cold sensation of the entire body.
  • the coldness of the interior material tends to be radiated to the side portions of the calves and shin, and the cold feeling tends to increase. Therefore, it is important for effective heating to remove the cold feeling on the side of the calf and shin as early as possible so as to feel the warm feeling.
  • the radiation heater of Patent Document 1 is arranged so as to radiate heat from above to the occupant's shin, the distance between the radiant heater and the foot is long, the form factor becomes small, the occupant's calf and shin Almost no heat input to the side of the can be expected.
  • the present invention has been made in view of the above points, and the object of the present invention is to make it possible to heat the occupant's calf from both sides by radiant heat so as to improve the feeling of heat and the energy consumed by heating. It is to reduce.
  • the vehicle heating apparatus generates air-conditioned air blown from a blow-out opening provided in the vehicle interior, and performs air-conditioning of the vehicle interior by the air-conditioned air.
  • a vehicle heating device having a passenger compartment air conditioning unit configured a direct heating device that is arranged to correspond to the contact area of the occupant and that directly heats the occupant, and at least on the left and right sides of the occupant's calf It is provided in the interior material arrange
  • the conditioned air generated by the passenger compartment air-conditioning unit blows out from the outlet in the passenger compartment, whereby the passenger compartment is air-conditioned by the conditioned air.
  • the contact area of the occupant is directly heated by the direct heating device.
  • the occupant's calf is heated by radiant heat from both the left and right sides by the radiant warming device, the cold of the interior material is less likely to reach the calf and the side of the shin.
  • the feeling of coldness can be prevented from being felt on the side of the calf and shin. It becomes possible to reduce the energy consumed by heating.
  • a vehicle heating apparatus includes a control device that controls the passenger compartment air conditioning unit, the direct heating device, and the radiation heating device, and the control device senses the thermal sensation of both legs of an occupant. It has both legs thermal estimator for estimation.
  • the warm feeling of both legs of the occupant is made uniform by the warm air blown out from the passenger compartment air conditioning unit toward both occupant legs and the radiation heating device.
  • the output of the radiant warmer is set.
  • the interior material includes a door trim disposed on a vehicle interior side of a vehicle door, and a console disposed on a side of the seat, and the radiation is provided.
  • the heating device includes a door trim side radiant heater provided at a lower portion of the door trim, and a console side radiant heater provided at a side wall portion of the console.
  • the door trim and the side walls of the console are located on the left and right sides of the occupant's calf, and by providing the radiant heaters to these, the radiant heat can be reliably incident on the side of the calf and shin. it can.
  • the door trim side radiant heater is positioned below the armrest portion of the door trim.
  • the door trim side radiant heater is positioned in front of a vehicle front end portion of the seat in the door trim
  • the console side radiant heater is positioned on the seat in the side wall portion of the console. It is positioned before the front end of the cushion seat surface.
  • the direct heating device is arranged so as to heat a portion above the occupant's knee.
  • the back of the occupant's thigh, buttocks, hips, and back can be heated directly by the heating device and the conditioned air from the passenger compartment air conditioning unit, while being below the occupant's knees.
  • This part can be heated by the radiation heating device and the conditioned air of the air conditioning unit for the passenger compartment.
  • the upper part of the occupant's knee and the lower part of the knee can be individually heated at a suitable temperature, and the heating bias can be reduced over a wide range of the occupant's body, providing comfortable heat. A feeling can be obtained.
  • a vehicle heating apparatus includes a control device that controls the air conditioning unit for the passenger compartment, the direct heating device, and the radiation heating device, and the control device senses the thermal sensation of both legs of an occupant.
  • a thermal sensation estimation unit for both legs for estimation, and the thermal sensation of both legs of the occupant is uniform due to the warm air blown from the passenger compartment air conditioning unit toward the occupant's legs, the door trim side radiant heater and the console side radiant heater Thus, the outputs of the door trim side radiant heater and the console side radiant heater are set.
  • a comfortable thermal feeling can be given to both legs of the occupant by heating with warm air and heating with radiant heat.
  • a vehicle heating device includes a control device that controls the air conditioning unit for the passenger compartment, the direct heating device, and the radiant heating device, and the control device includes a front side and a back side of an occupant's upper body.
  • An upper body thermal sensation estimation unit that estimates the thermal sensation with the side, and the direct heating device is a seat heater device that heats the thigh, buttocks, waist, and back of an occupant, and the control device includes: The output of the seat heater device and the air conditioning unit for the passenger compartment so that a uniform thermal feeling can be obtained on the front side and the rear side of the upper body of the occupant by the seat heater device and the warm air from the passenger compartment air conditioning unit Set the blowout temperature.
  • a uniform thermal feeling can be obtained on the front side (chest, stomach, etc.) and back side of the occupant by heating by the seat heater device and heating by radiant heat, so that the comfort can be further enhanced. it can.
  • the door trim side radiant heater of the vehicle heating apparatus according to the tenth aspect has a higher rated output than the console side radiant heater.
  • the door trim since the door trim is provided closer to the outside of the passenger compartment than the console, the door trim is easily affected by the cold outside the passenger compartment, and heat easily escapes outside the passenger compartment.
  • the output of the door trim side radiant heater provided in this door trim higher than the output of the console side radiant heater, or by distributing the amount of hot air blown from the feet of the vehicle interior air conditioning unit more to the door trim side, While suppressing the loss of balance, it is possible to increase the rapid effect of heating.
  • the radiation heating apparatus is disposed on a heater wire that generates heat when energized, a cover member that covers a vehicle interior side of the heater wire, and an outer side of the vehicle interior of the heater wire. Heat insulation.
  • the passenger since the passenger compartment side of the heater wire is covered with the cover member, the passenger can be prevented from touching the heater wire, and safety can be improved. Further, by arranging the heat insulating material between the heater wire and the door trim, the heat generated in the heater wire is unlikely to escape to the outside of the passenger compartment, and the heating efficiency can be improved.
  • a vehicle including the vehicle heating device according to any one of the first to eleventh aspects can be configured.
  • the occupant's calf can be heated from both sides by radiant heat separately from the passenger compartment air conditioning unit configured to perform air conditioning of the passenger compartment by the conditioned air.
  • the energy consumed by heating can be reduced.
  • FIG. 1 is a side view showing a part of a passenger compartment of an automobile according to an embodiment of the present invention. It is a perspective view which shows a part of driver's seat vicinity in a vehicle interior. It is the side view which looked at the left door from the vehicle interior side. It is a side view from the left side of the console. It is a schematic block diagram of a vehicle room air conditioning unit. It is a figure which shows the state which divided
  • FIG. 1 is a side view showing a part of a passenger compartment R of an automobile 1 according to an embodiment of the present invention.
  • front is the front side in the vehicle front-rear direction
  • rear is the rear side in the vehicle front-rear direction
  • left is the left side in the vehicle left-right direction
  • right is It is the right side of the vehicle left-right direction.
  • a vehicle seat S is attached to the floor panel 100 in the vehicle interior R via a slide device 101.
  • An instrument panel 102 having instruments (not shown) is disposed at the front end of the vehicle interior R.
  • a steering column 103 is provided on the driver's seat side of the instrument panel 102 so as to protrude rearward.
  • a steering wheel 104 is provided at the rear end of the steering column 103 so as to face the passenger A.
  • the slide device 101 includes a rail member 101a that extends in the front-rear direction fixed to the floor panel 100, a guided member 101b that is fixed to the lower portion of the vehicle seat S and is guided in the front-rear direction by the rail member 101a, and a guided member.
  • a locking member (not shown) for fixing 101b to the rail member 101a at a desired position.
  • a front window glass 105 is provided at the front end of the vehicle interior R.
  • the lower end portion of the front window glass 105 is located in the vicinity of the front end portion of the instrument panel 102.
  • Doors 110 as shown in FIG. 3 are disposed on the left and right sides of the automobile 1.
  • the door 110 shown in FIG. 3 is a left door disposed on the left side of the automobile 1
  • a right door having a symmetrical shape is disposed on the right side of the automobile 1 although not shown.
  • a case where the occupant A is seated on a vehicle seat S provided on the left side of the automobile 1 will be described, but the present invention is not limited to this, and a vehicle seat (not shown) provided on the right side.
  • the present invention can also be applied to a case where the user is seated on the chair.
  • the occupant A is an adult (male, female) having an average height and weight
  • the occupant A has a standard riding posture (for example, the posture shown in FIG. 1), that is, For the driver, a safe riding posture is assumed, and for the passenger in the passenger seat and the rear seat, it is assumed that the riding posture is a general riding posture. Riding postures are excluded.
  • the door 110 is disposed on the door body 111 made of a steel plate, the side window glass 112 disposed on the upper side of the door body 111, and the vehicle interior side of the door body 111.
  • the door trim (interior material) 113 is provided.
  • the door trim 113 is a resin member formed so as to cover the door main body 111 from the vehicle interior side.
  • the door trim 113 is provided with an armrest portion 113a on which the occupant A's hand can be placed below the belt line.
  • a console (interior material) 120 as shown in FIG. 4 is arranged between a vehicle seat S as a driver seat and a vehicle seat (not shown) as a passenger seat.
  • the console 120 is located laterally on the vehicle seat S.
  • the console 120 has a shape that is long in the front-rear direction, and is formed so as to reach the vicinity of the rear end of the vehicle seat S from below the instrument panel 102.
  • Side walls 121 extending in the vertical direction are provided on the left and right sides of the console 120. The lower end portion of the side wall portion 121 reaches the floor panel 100.
  • a shift lever 122 for operating a transmission (not shown) is provided above the console 120, and an accessory case (not shown) is also provided.
  • a defroster outlet 102 a is provided at the front end of the upper surface of the instrument panel 102.
  • the defroster outlet 102a is disposed so as to face the inner surface of the front window glass 105, and is formed over a predetermined range in the left-right direction.
  • the defroster outlet 102 a is an opening that blows conditioned air toward the inner surface of the front window glass 105.
  • a vent outlet 102b On the rear side of the instrument panel 102, a vent outlet 102b through which conditioned air blows toward a part of the upper body of the occupant A or the entire upper body is provided.
  • the vent outlet 102b is provided on each of the left and right sides of the instrument panel 102 and the central portion in the left-right direction, and is disposed so as to face the driver seat passenger and the passenger seat passenger.
  • a heat outlet 102c At the lower part of the instrument panel 102, there is provided a heat outlet 102c through which conditioned air blows toward a part of the lower half of the occupant A or the entire lower half.
  • the heat outlet 102c can be formed so as to open in the vicinity of the feet of the driver's seat passenger and the passenger's passenger, and can also be referred to as a foot outlet.
  • the names of the outlets 102a, 102b, and 102c are given for convenience of explanation, and may be any outlet that satisfies each function.
  • the vent outlet and the heat outlet can be provided not only for the front seat but also for the passenger in the rear seat.
  • the automobile 1 includes a vehicle heating device 2 shown in a block diagram in FIG.
  • the vehicle heating device 2 includes a passenger compartment air conditioning unit 10 (shown in FIG. 5), a steering heater 104a (shown in FIGS. 1 and 2), a radiant heating device 30 (shown in FIG. 8), a seat heater.
  • a device 40 shown in FIGS. 6 and 8) and a control unit 60 (shown in FIG. 8) are provided.
  • the automobile 1 may be a passenger car or a luggage-carrying vehicle such as a truck. These are examples of vehicles, and the vehicle heating device 2 can be mounted on a vehicle other than an automobile.
  • the air conditioning unit 10 for the passenger compartment generates conditioned air blown from the defroster outlet 102a, the vent outlet 102b, and the heat outlet 102c provided in the passenger compartment R. It is comprised so that the thermal environment around the passenger
  • the passenger compartment air conditioning unit 10 includes an air conditioning casing 11, a blower 12, a refrigeration cycle device 13, a heater core 14, an air mix damper 15, and a blowing direction switching damper 16 a. , 16b, 16c, an air mix actuator 17, and a blowing direction switching actuator 18.
  • the air-conditioning casing 11 communicates with the interior R of the vehicle interior R so that air (inside air) in the interior of the vehicle interior R is taken into the air-conditioning casing 11 and air outside the vehicle interior (outside air) communicates with the outside of the interior of the vehicle.
  • An outside air introduction port 11 b for taking in the air conditioning casing 11 is formed inside the air conditioning casing 11, there is disposed an inside / outside air switching damper 11c that operates to close one of the inside air introduction port 11a and the outside air introduction port 11b and open the other. When the inside air introduction port 11a is opened and the outside air introduction port 11b is closed by the operation of the inside / outside air switching damper 11c, the inside air circulation mode is established.
  • the outside air introduction mode is established. It becomes.
  • the switching between the inside air circulation mode and the outside air introduction mode may be automatic switching by the control unit 60 described later in addition to manual switching by the occupant A.
  • the blower 12 includes a sirocco fan (centrifugal fan) 12a disposed inside the air conditioning casing 11, and a blower motor 12b that rotationally drives the sirocco fan 12a.
  • a sirocco fan centrifugal fan
  • blower motor 12b that rotationally drives the sirocco fan 12a.
  • the air-conditioning air is taken into the air-conditioning casing 11 from the inside air introduction port 11a or the outside air introduction port 11b, and the air-conditioning air taken into the air-conditioning casing 11 is The air is blown toward the downstream side of the air conditioning casing 11.
  • the type of the blower 12 is not particularly limited, and may be a blower using a fan other than the centrifugal fan.
  • the blower motor 12b is connected to the control unit 60.
  • the control unit 60 performs ON / OFF switching of the blower motor 12b and change of the rotational speed per unit time of the blower motor 12b. Increasing the number of revolutions per unit time of the blower motor 12b increases the amount of air blown by the blower 12.
  • the refrigeration cycle apparatus 13 includes a compressor 13a, a condenser (condenser) 13b, an expansion valve 13c, and an evaporator 13d, which are connected by a refrigerant pipe to circulate the refrigerant. It is configured to be possible.
  • the compressor 13a is driven by an engine E (shown only in FIG. 5).
  • the clutch (not shown) of the compressor 13a is controlled by the control unit 60 shown in FIG. 8, whereby the compressor 13a is switched on and off.
  • the refrigerant discharged from the compressor 13a flows into the condenser 13b, is condensed inside the condenser 13b, and then flows into the expansion valve 13c.
  • the refrigerant that has flowed into the expansion valve 13c is decompressed and then flows into the evaporator 13d.
  • the evaporator 13d is disposed inside the air conditioning casing 11, and the entire amount of air conditioning air introduced into the air conditioning casing 11 passes through the evaporator 13d.
  • the refrigerant flowing into the evaporator 13d exchanges heat with air-conditioning air that passes outside the evaporator 13d while flowing through the evaporator 13d, thereby cooling the air-conditioning air and generating cold air. .
  • the heater core 14 is disposed inside the air conditioning casing 11 on the downstream side in the air flow direction from the evaporator 13d.
  • the heater core 14 is connected to a water jacket (not shown) of the engine E so that cooling water of the engine E circulates through the heater core 14. Therefore, if the temperature of the cooling water of the engine E is higher than the temperature of the air-conditioning air passing outside the heater core 14, the air-conditioning air exchanges heat with the cooling water to heat the air-conditioning air and generate hot air. Is done.
  • the cooling water of the motor for driving and the inverter device can be allowed to flow through the heater core 14.
  • a refrigerant pump heat exchanger for heating
  • a heat pump device including an electric compressor 13 a instead of the heater core 14.
  • an electric heater for example, a PTC heater or the like can be provided.
  • the air mix damper 15 is a member for changing the ratio of the amount of air that passes through the heater core 14 and the amount of air that bypasses the heater core 14. As shown by a solid line in FIG. 5, when the air mix damper 15 fully closes the passage on the heater core 14 side and fully opens the passage bypassing the heater core 14, the air that has passed through the evaporator 13 d does not pass through the heater core 14. It becomes a full cold state. On the other hand, as shown by phantom lines in FIG. 5, when the air mix damper 15 fully opens the passage on the heater core 14 side and fully closes the passage bypassing the heater core 14, the total amount of air that has passed through the evaporator 13d is the heater core. 14 passes, so it becomes a full hot state.
  • the air mix damper 15 can be stopped at an arbitrary position between a state indicated by a solid line and a state indicated by a virtual line in FIG. By changing the stop position of the air mix damper 15, the ratio between the amount of air passing through the heater core 14 and the amount of air bypassing the heater core 14 is changed, and as a result, the temperature of the generated conditioned air is changed. .
  • the air mix actuator 17 is for operating the air mix damper 15, and is connected to the control unit 60 as shown in FIG.
  • the air mix actuator 17 can stop the air mix damper 15 at a desired position in response to a control signal from the control unit 60.
  • the blowing direction switching dampers 16a, 16b and 16c shown in FIG. 5 are dampers for switching the blowing direction of the conditioned air.
  • the blowing direction switching damper denoted by reference numeral 16a is a damper for opening and closing the defroster outlet 102a, and is a defroster damper.
  • the blowing direction switching damper indicated by reference numeral 16b is a damper for opening and closing the vent outlet 102b, and is a vent damper.
  • the blowing direction switching damper indicated by reference numeral 16c is a damper for opening and closing the heat outlet 102c, and is a heat damper.
  • blowing direction switching dampers 16a, 16b, and 16c the positions indicated by solid lines are closed positions, and the positions indicated by virtual lines are open positions.
  • the blowing direction switching dampers 16a, 16b, and 16c can be stopped at any position between the closed position and the open position.
  • Such operations of the blowing direction switching dampers 16a, 16b, and 16c can be realized by a conventionally known link mechanism (not shown).
  • the blowing direction switching dampers 16a, 16b, and 16c are configured to be able to switch the blowing direction of the conditioned air by interlocking with each other via a link mechanism. For example, when the blowing direction switching damper 16a is in the open position and the blowing direction switching dampers 16b and 16c are in the closed position, the defroster mode in which the conditioned air blows out only from the defroster outlet 102a. When the blowing direction switching damper 16b is in the open position and the blowing direction switching dampers 16a and 16c are in the closed position, the vent mode is set in which the conditioned air is blown out only from the vent outlet 102b.
  • the heat mode is set in which the conditioned air is blown out only from the heat outlet 102c.
  • the blowing direction switching dampers 16a and 16c are in the open position and the blowing direction switching damper 16b is in the closed position, the diff-heat mode in which the conditioned air blows from the defroster outlet 102a and the heat outlet 102c is set.
  • the blowing direction switching dampers 16b and 16c are in the open position and the blowing direction switching damper 16a is in the closed position, the bi-level mode in which the conditioned air blows out from the vent outlet 102b and the heat outlet 102c is set.
  • blowing modes are examples, and can be changed to various blowing modes by switching the opening and closing of the blowing direction switching dampers 16a, 16b, and 16c.
  • blowing direction switching dampers 16a, 16b, and 16c are an example, and the blowing mode can be switched by combining two dampers, for example, according to a conventionally known technique.
  • the blowing direction switching actuator 18 is for operating the blowing direction switching dampers 16a, 16b, and 16c, and is connected to the control unit 60 as shown in FIG.
  • the blowing direction switching actuator 18 can stop the blowing direction switching dampers 16a, 16b, and 16c at desired positions in response to a control signal from the control unit 60, whereby the above-described blowing modes can be set. it can.
  • FIG. 6 shows a state in which the vehicle seat S is divided into a seat cushion portion S1 and a seat back portion S2 for convenience of explanation.
  • the part S1 and the seat back part S2 are integrated.
  • the vehicle seat S described in this embodiment constitutes a driver seat, but the present invention can also be applied to a seat constituting a passenger seat and a seat constituting a rear seat.
  • the present invention can be applied to a so-called bench seat that is configured so that a plurality of people can be seated side by side in the left-right direction.
  • the vehicle seat S includes a seat cushion portion S1 and a seat back portion S2.
  • the seat cushion portion S1 can also be referred to as a seat seat portion, and is configured to support the thigh from the lower portion (butt portion) mainly from the occupant A from below.
  • the seat back portion S2 can also be called a seat back portion, and is configured to support the occupant A mainly from the waist, back, shoulder ribs, and shoulders from the rear.
  • the seat heater device 40 includes a buttock heating element 41, a thigh heating element 42, a cushion side heating element 43, a cushion front end heating element 44, a waist heating element 45, and a shoulder side heating element 46. ing.
  • the buttocks heating element 41, the thigh heating element 42, the cushion side heating element 43, and the cushion front end heating element 44 are built in the seat cushion portion S1, specifically, between the cushion material and the skin material. Can be arranged.
  • the hip heating element 41, the thigh heating element 42, the cushion side heating element 43, and the cushion front end heating element 44 are connected to the vehicle interior temperature control unit 64 of the control unit 60. Be controlled.
  • the waist heat generating element 45 and the shoulder side heat generating element 46 are built in the seat back portion S2, and specifically, can be disposed between the cushion material and the skin material.
  • the waist heating element 45 and the shoulder side heating element 46 are connected to the vehicle interior temperature control unit 64 of the control unit 60 and are controlled by the vehicle interior temperature control unit 64.
  • Each of the heating elements 41 to 46 is made of a wire material that generates Joule heat when energized, for example. That is, each heating element according to this embodiment is a heating element that utilizes a phenomenon that generates heat by changing to thermal energy when an electric current flows through an object, and may be any heater wire that generates heat when energized. It can be composed of nichrome wire or the like. The amount of heat generated in the wire varies depending on the magnitude of the current flowing through the wire, and also varies depending on the time during which the current flows.
  • the buttocks heating element 41 is disposed on the back side (rear side) of the upper surface portion (seat surface portion) of the seat cushion portion S1.
  • the buttocks of the occupant A in a standard riding posture are located directly above the buttocks heating element 41.
  • the thigh heating element 42 is disposed on the front side (front side) of the upper surface portion of the seat cushion portion S1.
  • the thigh of the occupant A in the standard riding posture is located directly above the thigh heating element 42.
  • the buttocks heating element 41 and the thigh heating element 42 are disposed so as to correspond to the contact area of the occupant A in the seat cushion portion S1, and accordingly, a portion corresponding to the lower half of the occupant A above the knee is disposed. It becomes a direct heating device that heats directly.
  • the cushion side portion heating element 43 is disposed in the vicinity of the left end portion and in the vicinity of the right end portion of the upper surface portion of the seat cushion portion S1.
  • the thigh of the occupant A is interposed between the left and right cushion side heating elements 43.
  • the thigh of the occupant A is positioned at a position where the portion is positioned or almost deviated from directly above the cushion side heating element 43, and the outer portions of both thighs are warmed.
  • the cushion side heating element 43 is disposed in this region.
  • the cushion side heating element 43 is a radiation heating device that is disposed away from the occupant A and heats the occupant A by radiant heat.
  • the cushion front end heating element 44 is disposed in the vicinity of the upper end portion of the front surface portion of the seat cushion portion S1.
  • the cushion front end heating element 44 has a shape that is long in the left-right direction, and is positioned so as to correspond to the vicinity of the left and right knee soles of the occupant A.
  • a portion below the thigh of the occupant A (for example, the back of the knee) is positioned away from or above the cushion front end heating element 44. It will be.
  • the vicinity of the upper end portion of the front surface portion of the seat cushion portion S1 is a region where the occupant A does not contact the vehicle seat S, and the cushion front end heating element 44 is disposed in this region.
  • the cushion front end heating element 44 is a radiation heating device that is disposed away from the occupant A and heats the occupant A by radiant heat.
  • the amount of heat generated by each of the heating elements of the buttocks heating element 41, the thigh heating element 42, the cushion side heating element 43, and the cushion front end heating element 44 depends on the current value by the vehicle interior temperature control unit 64 of the control unit 60, It can be changed depending on the energization time.
  • the output upper limit values (upper limit values of the amount of heat generated per unit time) of the buttocks heating element 41, the thigh heating element 42, the cushion side heating element 43, and the cushion front end heating element 44 are controlled in the vehicle interior temperature. Set by the unit 64.
  • the buttocks heating element 41 and thigh heating element Comparing the pattern density of the heater wire of the cushion side heating element 43 and the cushion front end heating element 44 with the pattern density of the buttocks heating element 41 and thigh heating element 42, the buttocks heating element 41 and thigh heating element
  • the pattern density of 42 is higher, and the temperature is adjusted at 42 ° C. or lower by the control unit 60 in order to prevent low-temperature burns.
  • the waist heating element 45 is disposed on the lower side of the front surface portion of the seat back portion S2.
  • the lumbar part of the occupant A in the standard riding posture is located on the upper surface of the lumbar part heating element 45.
  • the lumbar heating element 45 is disposed so as to correspond to the contact portion of the occupant A in the seat back portion S2, and thus becomes a direct heating device for directly heating the occupant A.
  • Both shoulder heating elements 46 are disposed in the front part of the seat back part S2 in the vicinity of the occupant A's shoulder, near the upper left end near the neck and in the vicinity of the right end, respectively, and do not reach the back of the occupant A. It is positioned as follows. When the occupant A is an adult having an average height and weight and the riding posture of the occupant A is a standard riding posture, the left shoulder side heating element 46 is located on the side of the left shoulder, The right shoulder side heating element 46 is located on the side of the right shoulder. In the front portion of the seat back portion S2, the vicinity of the upper left end portion and the vicinity of the right end portion are regions where the occupant A in the vehicle seat S does not come in contact, and the shoulder side heating element 46 is disposed in this region.
  • the shoulder side heating element 46 is a radiant heating device that is disposed away from the occupant A and heats the occupant A by radiant heat.
  • the amount of heat generated by each of the waist heating elements 45 and the shoulder side heating elements 46 can be changed according to the current value, the energization time, the energization time interval, and the like by the vehicle interior temperature control unit 64 of the control unit 60.
  • the output upper limit values of the waist heating element 45 and the shoulder side heating element 46 are set by the vehicle interior temperature control unit 64.
  • the pattern density of the heater wire of the shoulder side heating element 46 is compared with the pattern density of the heater wire of the waist heating element 45, the pattern density of the heater wire of the waist heating element 45 is higher. In any case, the temperature is adjusted at 42 ° C. or less by the control unit 60 in order to prevent low temperature burns.
  • the seat heater device 40 has a hip heating element 41, a thigh heating element 42, a waist heating element 45, a shoulder heating element 46, and a cushion side portion so that the hip heating element 41, the thigh heating element 42, the waist heating element 45 can be turned off when the thermal feeling is satisfied first in the buttocks and the waist.
  • the heating control may be performed separately for each of the heating element 43 and the cushion front end heating element 44.
  • the seat heater device 40 can be switched on and off, and the strength can be set by an operation switch or the like (not shown) provided in the vehicle interior R, and can be automatically controlled by the control unit 60. You can also.
  • the steering heater 104 a is built in a portion of the steering wheel 104 that comes into contact with the hand of the occupant A, specifically, a portion that the occupant A grips while driving. Therefore, the steering heater 104a is disposed so as to correspond to the contact portion of the occupant A, and becomes a direct heating device for directly heating the occupant A.
  • the steering heater 104 a can be configured by the same wire as each heating element of the seat heater device 40, is connected to the control unit 60, and is controlled by the control unit 60.
  • the steering heater 104a can be turned on and off, and the strength can be set by an operation switch or the like (not shown) provided in the vehicle interior R, or can be automatically controlled by the control unit 60. It can be done.
  • the radiant warming device 30 is an auxiliary heating device that is provided on an interior material disposed so as to face at least the left and right sides of the calf of the occupant A and radiates heat to the left and right sides of the calf.
  • the radiant heating device 30 includes a door trim side radiant heater 31 provided at the lower portion of the door trim 113 shown in FIG. 3 and a console side radiant heater 32 provided on the side wall 121 of the console 120 shown in FIG. .
  • the door trim side radiant heater 31 is positioned below the armrest portion 113a in the door trim 113 and is positioned in front of the front end portion of the seat cushion portion S1 of the vehicle seat S in the door trim 113.
  • the door trim side radiation heater 31 can be positioned in front of the front end portion of the seat cushion portion S ⁇ b> 1 in a state where the vehicle seat S is slid forward by the slide device 101.
  • the door trim side radiant heater 31 when viewed from the side, the door trim side radiant heater 31 is arranged so that the calf of the occupant A in the standard sitting posture overlaps with the heat radiation surface of the door trim side radiant heater 31. It is installed.
  • the door trim side radiant heater 31 faces the left side of the calf on the left leg of the occupant A with a gap.
  • the door trim side radiation heater 31 will also be arrange
  • the shin of the passenger A is tilted forward as it goes down toward the brake pedal, accelerator pedal, or footrest, so the heat radiation surface of the door trim side radiation heater 31 also goes down. It is arranged so that it is located just before.
  • the width (length in the front-rear direction) W of the heat radiation surface of the door trim side radiation heater 31 is set sufficiently wider than the diameter of the leg under the knee of the occupant A, and the door trim side radiant heater even when the occupant A moves his / her foot.
  • the radiant heat of 31 is incident on the side of the calf and shin.
  • the height H of the heat radiation surface of the door trim side radiation heater 31 can be set to be approximately equal to the length of the leg under the knee of the occupant A. As a result, the radiant heat of the door trim side radiant heater 31 is incident on a wide range from the upper part to the lower part of the side surface of the calf and the leg under the knee.
  • the console-side radiation heater 32 is positioned in front of the front end portion of the seat cushion portion S1 of the vehicle seat S in the side wall portion 121 of the console 120 shown in FIG.
  • the height and width of the heat radiation surface of the console side radiation heater 32 can be the same as the height and width of the heat radiation surface of the door trim side radiation heater 31, but the height of the heat radiation surface of the door trim side radiation heater 31 is high.
  • the height of the heat radiation surface of the console side radiation heater 32 is made higher, and the width of the heat radiation surface of the door trim side radiation heater 31 is made wider than the width of the heat radiation surface of the console side radiation heater 32. Also good.
  • the door trim 113 is closer to the outside of the vehicle compartment than the console 120, the door trim 113 is easily affected by the cold air outside the vehicle compartment, and heat easily escapes to the outside of the vehicle compartment.
  • the height and width of the door trim side radiant heater 31 provided in the door trim 113 higher and wider than the console side radiant heater 32, it is possible to improve the rapid heating efficiency while suppressing the balance of the left and right balance. it can.
  • the radiation heater is disposed on the indoor side surface outside the pocket and the heat insulating material is attached to the back surface of the heater.
  • the console-side radiant heater 32 is disposed so that the calf of the passenger A in a standard sitting posture and the heat radiation surface of the console-side radiant heater 32 overlap when viewed from the side.
  • the console-side radiant heater 32 faces the right side of the right leg calf of the occupant A with a gap.
  • the console-side radiation heater 32 is also arranged with a gap with respect to the right side surface of the calf on the left foot of the occupant A.
  • the heat radiation surface of the console side radiation heater 32 is arranged so as to be positioned forward as it goes downward.
  • the door trim side radiant heater 31 includes a heater wire 31 a that generates heat by energization similar to each heating element of the seat heater device 40, a cover member 31 b that covers the vehicle interior side of the heater wire 31 a, And a heat insulating material 31c disposed outside the passenger compartment of the heater wire 31a.
  • the heater wire 31a is entirely disposed from the upper end to the lower end of the door trim side radiant heater 31 and from the front end to the rear end.
  • the cover member 31b is a member for preventing an occupant A or an article from contacting the heater wire 31a.
  • the cover member 31b can be made of a heat-resistant resin material or the like.
  • the heat insulating material 31c is a member for preventing the heat of the heater wire 31a from escaping to the outside of the passenger compartment, and can be formed of a member having a conventionally known heat insulating property.
  • the console side radiation heater 32 can also be configured in the same manner as the door trim side radiation heater 31.
  • the radiation heating device 30 is connected to the control unit 60 and controlled by the control unit 60.
  • the radiant warming device 30 can be switched on and off, and the strength can be set by an operation switch or the like (not shown) provided in the vehicle interior R, or automatically by the radiant warming device 30. It can also be controlled.
  • the radiation heating device 30 can be provided not only on the driver's seat side but also on the passenger seat side. Although not shown, when the rear seat has a left / right separate structure, a rear seat console is provided, and therefore the rear seat is provided with a radiation heating device similar to the radiation heating device 30. be able to.
  • the vehicle heating device 2 includes an outside air temperature sensor 71, an inside air temperature sensor 72, a humidity sensor 73, a solar radiation sensor 74, a temperature setting switch 75, a steering temperature sensor 76, a foot heater temperature sensor 77, and a seat temperature.
  • a sensor 78 is provided. These sensors and switches can be constituted by conventionally known members, and are connected to the control unit 60 to output a detection value in a predetermined short cycle or continuously.
  • a sensor for detecting the temperature for example, a thermocouple or the like can be used.
  • the outside air temperature sensor 71 is a sensor that is disposed outside the vehicle compartment and detects the temperature outside the vehicle compartment.
  • the inside air temperature sensor 72 is disposed in the vehicle interior R, and is a sensor that detects the air temperature in the vehicle interior R. With this sensor, the temperature state in the vehicle interior can be detected or estimated.
  • the humidity sensor 73 is disposed in the vehicle interior R, and is a sensor that detects the humidity in the vehicle interior R. The humidity state in the vehicle interior can be detected or estimated by this sensor.
  • the solar radiation sensor 74 is disposed in the vehicle interior R, and is a sensor that detects the amount of solar radiation that is inserted into the vehicle interior R. With this sensor, the solar radiation state in the vehicle interior R can be detected or estimated.
  • the temperature setting switch 75 is disposed on the instrument panel 102 in the passenger compartment R, and is a switch for the occupant A to set a desired air conditioning temperature.
  • the instrument panel 102 is provided with an air conditioner ON / OFF switch, an air volume adjustment switch, an auto air conditioner switch, and the like (not shown).
  • the steering temperature sensor 76 is disposed on the steering wheel 104 and is a sensor for detecting the temperature of the portion of the steering wheel 104 where the occupant A contacts, the temperature of the steering heater 104a, and the like.
  • the foot heater temperature sensor 77 is disposed on the interior material (the door trim 113 and the console 120) having the radiation heating device 30, and the surface temperature of the interior material and the temperature of the door trim side radiation heater 31 and the console side radiation heater 32. It is a sensor for detecting etc.
  • the seat temperature sensor 78 is built in the seat cushion portion S1 and the seat back portion S2 of the vehicle seat S, and the temperature of each skin material of the seat cushion portion S1 and the seat back portion S2 and each heating element of the seat heater device 40. This is a sensor for detecting temperatures 41 to 46.
  • control unit 60 can be composed of, for example, a microcomputer having a central processing unit or a storage device (for example, ROM, RAM, etc.), and both legs for estimating the thermal feeling of both legs of the occupant.
  • a thermal sensation estimation unit 61 and an upper body thermal sensation estimation unit 62 that estimates thermal sensations on the front and rear sides of the occupant's upper body may be provided, and each means and processing described below may be executed by hardware.
  • the program may be executed in accordance with software (program) stored in the storage device.
  • the estimation of the thermal sensation of each part of the occupant A by the both legs thermal sensation estimation unit 61 and the upper body thermal sensation estimation unit 62 can be performed by a conventionally known method in the technical field of air conditioners.
  • the control unit 60 is configured to perform automatic air conditioner control based on the detected values of the outside air temperature sensor 71, the inside air temperature sensor 72, the humidity sensor 73, the solar radiation sensor 74, the temperature setting switch 75, etc., the set temperature by the occupant A, and the like. ing. That is, when the outside air temperature and the temperature of the vehicle interior R are low and heating is required, the vehicle interior air conditioning unit 10 is controlled and supplied to the vehicle interior R so as to generate high-temperature conditioned air. At this time, the required heating intensity is set by the set temperature by the passenger A, the temperature in the passenger compartment R, etc., and the automatic air-conditioner control during heating is performed by the inside air temperature sensor 72, the steering temperature sensor 76, the foot heater temperature sensor.
  • the temperature of the conditioned air, the amount of the conditioned air, the radiant warming device 30 and the seat heater device from the estimated values of the thermal sensation of both legs of the occupant A and the thermal sensation of the upper body of the occupant A according to the seat temperature sensor 78
  • the intensity of heating is adjusted so that the feeling of heat of each part of the occupant A becomes just 40 outputs.
  • the vehicle interior air conditioning unit 10 is controlled and supplied to the vehicle interior R so as to generate low-temperature conditioned air.
  • the required cooling strength is set according to the temperature set by the occupant A, the temperature in the passenger compartment R, and the like, and the temperature of the conditioned air and the volume of the conditioned air are adjusted according to the cooling strength. Since the method of controlling the automatic air conditioner at the time of cooling is a conventionally known method, detailed description thereof is omitted.
  • the rated output of the door trim side radiation heater 31 of the radiation heating device 30 is set higher than the rated output of the console side radiation heater 32. Therefore, the control unit 60 controls the output of the door trim side radiant heater 31 to be higher than the output of the console side radiant heater 32 so that the thermal feeling of the left and right legs under the knee of the occupant A can be obtained. Then, the output of both heaters 31 and 32 can be set so as to be higher than the output of the console side radiation heater 32.
  • a specific method for setting the output is, for example, changing the amount of electric power supplied to the heater wire 31a shown in FIG. The output can be expressed as a heat flux, and the heat flux of the door trim side radiant heater 31 is controlled to be smaller than the heat flux of the console side radiant heater 32.
  • the door trim 113 since the door trim 113 is closer to the outside of the vehicle compartment than the console 120, the door trim 113 is easily affected by the cool air outside the vehicle compartment and heat easily escapes to the outside of the vehicle compartment, but the output of the door trim side radiant heater 31 provided on the door trim 113 By making it higher than the output of the console-side radiant heater 32, it is possible to improve the rapid effect of heating while suppressing the left-right balance from being lost.
  • the outputs of the door trim side radiation heater 31 and the console side radiation heater 32 can be adjusted by changing the wire diameter of the heater wire 31a and the heater pattern density shown in FIG. Output can be set.
  • the control unit 60 automatically turns the steering heater 104a, the radiant warming device 30 and the seat heater when heating is necessary or manually by the passenger A.
  • the device 40 is turned on.
  • the output of the radiant warming device 30 can be changed, for example, according to the temperature in the passenger compartment R or the outside temperature, and control is performed to increase the output as the temperature is lower.
  • the radiant warming device 30 can be automatically turned off when a predetermined time has elapsed since being turned on, or when the temperature in the vehicle interior R rises to a predetermined temperature.
  • control during heating is performed by heating the legs under the knees using the radiant heaters 31 and 32 and heating the legs of the air conditioning unit 10 with warm air.
  • the output adjustment of the radiation heaters 31 and 32 is performed so that the temperature difference between the outer side and the inner side becomes small and the thermal feeling of both legs is satisfied.
  • the radiant warming device 30 When the radiant warming device 30 is turned on, energization of the door trim side radiant heater 31 and the console side radiant heater 32 is started to radiate heat. As a result, the occupant's calf is heated by radiant heat from both the left and right sides, so that the cold of the interior material is less likely to reach the side of the calf and shin.
  • the output of the radiation heater 31 and the console side radiation heater 32 can be set. This can be done by the control unit 60.
  • the output of the seat heater device 40 and the passenger compartment so that a uniform thermal sensation is obtained on the front side and the rear side of the upper body of the occupant A by the seat heater device 40 and the warm air from the passenger compartment air conditioning unit 19.
  • the blowing temperature of the air conditioning unit 10 can be set individually. This can be done by the control unit 60.
  • the front side of the upper body is, for example, the chest and the stomach.
  • the amount of warm air blown from the foot of the vehicle interior air conditioning unit 10 is more distributed to the door trim 113 side.
  • heat outlets 102 c are provided on the door trim 113 side and the console 120 side, dampers (not shown) that can be opened and closed independently are installed, and these dampers are controlled by the vehicle interior air conditioning unit 10. By doing so, the amount of hot air blowing air can be increased on the door trim 113 side compared to the console 120 side.
  • the conditioned air generated by the passenger compartment air-conditioning unit 10 blows out from the outlets 102a, 102b, 102c in the passenger compartment.
  • the vehicle interior R can be air-conditioned.
  • the contact portion of the occupant A can be directly heated by the seat heater device 40 and the steering heater 104a.
  • the occupant A's calf is heated by radiant heat from the left and right sides by the radiant warming device 30, so as not to feel a cold feeling on the side of the calf and shin even when the temperature in the passenger compartment R is low. can do.
  • the thermal sensation of the occupant A can be obtained from the legs to the upper body by the radiation heat input by the radiant heating device 30 and the heating by the less energy by the direct heat input by the seat heater device 40, while obtaining a uniform thermal sensation. Energy consumed by heating of the air conditioning unit 10 for the passenger compartment can be reduced.
  • the radiation heating device 30 is provided in the door trim 113 and the console 120 .
  • the present invention is not limited thereto, and the radiation heating device 30 may be provided in another interior material.
  • the present invention is useful as a heating device for a vehicle such as an automobile.

Abstract

La présente invention concerne un dispositif de chauffage de véhicule comprenant : une unité de climatisation d'habitacle qui est conçue de façon à mettre en œuvre une climatisation de l'habitacle avec un vent de climatisation ; et des dispositifs de chauffage par rayonnement qui sont disposés au moins dans les éléments d'habillage intérieur disposés à l'opposé les uns des autres de part et d'autres des mollets d'un occupant et qui font rayonner de la chaleur de leurs deux côtés.
PCT/JP2019/013420 2018-03-30 2019-03-27 Dispositif de chauffage de véhicule et véhicule doté du dispositif de chauffage de véhicule WO2019189499A1 (fr)

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EP19775583.8A EP3778273B1 (fr) 2018-03-30 2019-03-27 Dispositif de chauffage de véhicule et véhicule doté du dispositif de chauffage de véhicule

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JP2018068763 2018-03-30
JP2018-068763 2018-03-30
JP2019-040715 2019-03-06
JP2019040715A JP7182171B2 (ja) 2018-03-30 2019-03-06 車両用暖房装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115027268A (zh) * 2021-03-05 2022-09-09 本田技研工业株式会社 车辆用内饰结构
US11964540B2 (en) * 2019-06-13 2024-04-23 Toyota Jidosha Kabushiki Kaisha Heating apparatus for vehicle, method of controlling heating apparatus for vehicle, and storage medium

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JPH0471182A (ja) * 1990-07-11 1992-03-05 Matsushita Electric Ind Co Ltd 車両用暖房装置
JP2003231411A (ja) * 2001-12-06 2003-08-19 Denso Corp 車両用空調装置
JP2005212556A (ja) * 2004-01-28 2005-08-11 Denso Corp 車両用輻射暖房装置
JP2006076503A (ja) * 2004-09-10 2006-03-23 Denso Corp 車両用空調装置
WO2008155893A1 (fr) * 2007-06-15 2008-12-24 Panasonic Corporation Système de chauffage véhiculaire
JP2010111250A (ja) * 2008-11-06 2010-05-20 Panasonic Corp 自動車用暖房装置及びそれを搭載した自動車
JP2011246091A (ja) 2010-05-31 2011-12-08 Calsonic Kansei Corp 車両用輻射暖房装置
JP2012192827A (ja) * 2011-03-16 2012-10-11 Denso Corp 車両用暖房装置
JP2015223917A (ja) 2014-05-27 2015-12-14 株式会社デンソー 車両用暖房装置

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Publication number Priority date Publication date Assignee Title
JPH0471182A (ja) * 1990-07-11 1992-03-05 Matsushita Electric Ind Co Ltd 車両用暖房装置
JP2003231411A (ja) * 2001-12-06 2003-08-19 Denso Corp 車両用空調装置
JP2005212556A (ja) * 2004-01-28 2005-08-11 Denso Corp 車両用輻射暖房装置
JP2006076503A (ja) * 2004-09-10 2006-03-23 Denso Corp 車両用空調装置
WO2008155893A1 (fr) * 2007-06-15 2008-12-24 Panasonic Corporation Système de chauffage véhiculaire
JP2010111250A (ja) * 2008-11-06 2010-05-20 Panasonic Corp 自動車用暖房装置及びそれを搭載した自動車
JP2011246091A (ja) 2010-05-31 2011-12-08 Calsonic Kansei Corp 車両用輻射暖房装置
JP2012192827A (ja) * 2011-03-16 2012-10-11 Denso Corp 車両用暖房装置
JP2015223917A (ja) 2014-05-27 2015-12-14 株式会社デンソー 車両用暖房装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11964540B2 (en) * 2019-06-13 2024-04-23 Toyota Jidosha Kabushiki Kaisha Heating apparatus for vehicle, method of controlling heating apparatus for vehicle, and storage medium
CN115027268A (zh) * 2021-03-05 2022-09-09 本田技研工业株式会社 车辆用内饰结构

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