JP2012121482A - Air conditioning system for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform comfortable zone air conditioning while achieving simplification of a system and cost reduction and saving energy by reducing an air conditioning load.SOLUTION: An air conditioning system for a vehicle includes an air conditioning device 11 for converting air, which is sucked into a draft air duct by an air blower, to desired conditioned air by a heat exchange section so as to blow the conditioned air into a cabin 2, a suction opening 30A disposed on the periphery of an occupant's sitting position, and a duct 40 for making the suction opening 30A and the draft air duct of the air conditioning device 11 communicate with each other.

Description

  The present invention relates to a vehicle air conditioning system capable of performing zone air conditioning (personal air conditioning) in which a part of a passenger compartment, for example, a passenger's surroundings is an air conditioning region.

  2. Description of the Related Art Conventionally, as a vehicle air conditioning system, a system that performs zone air conditioning that air-conditions only the occupant's surroundings rather than the entire vehicle interior has been proposed.

  As a first conventional example of such a system, there is one disclosed in Patent Document 1. As shown in FIG. 9, the vehicle air conditioning system 100 includes a suction port 102 opened on the upper surface side of the seat cushion 101 a of the seat 101, an air outlet 103 opened above the headrest 101 c of the seat 101, A blower passage 104 that communicates between the suction port 102 and the blower outlet 103 is provided. A blower 105, an evaporator 106, and a heater 107 are disposed in the air passage 104.

  According to the first conventional example, the air in the passenger compartment is sucked from the suction port 102 of the seat cushion 101a. The sucked air is converted into conditioned air at a desired temperature by the evaporator 106 and the heater 107. This conditioned air is blown out from the air outlet 103 above the headrest 101c. The blown air-conditioning air passes through the occupant and is again sucked from the suction port 102 of the seat cushion 101a.

  By such circulation of the conditioned air, a strong flow of the conditioned air is formed around the occupant, thereby realizing zone air conditioning. Zone air conditioning improves immediate cooling and immediate warming.

  As a second conventional example, there is one disclosed in Patent Document 2. As shown in FIG. 10, the vehicle air conditioning system 110 includes an air conditioner (not shown) arranged in an instrument panel and a seat air conditioner 111. The seat air conditioner 111 includes a first suction port 113 opened at the upper part of the seat back 112b of the seat 112, a first air outlet 114 opened at the lower part of the seat back 112b, the first suction port 113, and the first blower. The 1st ventilation path 115 which connects between the exits 114, the 2nd inlet 120 opened on the lower surface of the seat cushion 112a, the 2nd outlet 121 opened on the upper surface of the seat cushion 112a, and the 2nd inlet 120 And a second air passage 122 communicating between the second air outlets 121.

  Blowers 116 and 123 and heat exchangers 117 and 124 are disposed in the first air passage 115 and the second air passage 122, respectively. Below the second suction port 120, the end of the duct 130 led from the air conditioner is opened.

  According to this second conventional example, the conditioned air that has been air-conditioned to the desired temperature in the air conditioner is blown out from the front of the passenger compartment. The blown-out conditioned air is sucked from the first suction port 113 of the seat back 112b through the periphery of the occupant. As a result, the conditioned air is collected and the conditioned air flowing in the passenger compartment space behind the first suction port 113 is suppressed. The conditioned air sucked from the first suction port 113 passes through the heat exchanger 117 and is blown out from the first air outlet 114 of the seat back 112b into the vehicle interior. In addition, the conditioned air that has been air-conditioned to a desired temperature in the air conditioner is blown out from the duct 130 below the seat cushion 112a. The blown-out conditioned air is sucked from the second suction port 120 of the seat cushion 112a. The sucked conditioned air passes through the heat exchanger 124 and is blown out from the second air outlet 121 of the seat cushion 112a into the vehicle interior. The conditioned air blown from the first air outlet 114 and the second air outlet 121 is discharged from the vicinity of the occupant into the passenger compartment, mixed with air that has not been air conditioned, and returned to the air conditioner.

  By such circulation of the conditioned air, a strong flow of the conditioned air is formed around the occupant, thereby realizing zone air conditioning. Zone air conditioning improves immediate cooling and immediate warming.

Japanese Patent No. 3301109 (Japanese Patent Laid-Open No. 5-286346) JP 2007-126047 A

  However, in the vehicle air conditioning system 100 of the first conventional example, it is necessary to arrange the evaporator 106 and the heater 107 dedicated to the zone air conditioning, so that there is a problem that the system becomes complicated and expensive.

  In the vehicle air conditioning system 110 of the second conventional example, the conditioned air is produced using a heat exchanger of an air conditioning apparatus (not shown) that performs overall air conditioning. The conditioned air blown from the air outlet 114 or the second air outlet 121 flows through the vehicle interior only by the inside air suction force of the air conditioner and is returned to the air conditioner. For this reason, the air-conditioning wind that has been largely lost in the process of passing through the passenger compartment is returned to the air conditioner, which causes a problem that the air-conditioning load of the air conditioner is large and it is difficult to obtain an energy saving effect. In addition, the conditioned air blown from the first air outlet 114 and the second air outlet 121 of the seat 112 is sucked from the first air inlet 113 and the second air inlet 120 of the seat 112 closer to the inside air inlet of the air conditioner. It is easy. Then, since the conditioned air blown from the first blower outlet 114 and the second blower outlet 121 of the seat 112 does not return to the air conditioner, a circulation flow of blast that is not at a desired temperature is formed. Therefore, in order to realize comfortable zone air conditioning, the heat exchangers 117 and 124 are indispensable components in the seat air conditioner 111, and the system becomes complicated and expensive as in the first conventional example. .

  Therefore, the present invention has been made to solve the above-described problems, and it is possible to simplify the system and reduce the cost, and to perform comfortable zone air-conditioning while saving energy by reducing the air-conditioning load. An object of the present invention is to provide a vehicle air conditioning system that can be used.

  The present invention includes an air conditioner that converts air sucked into a blower passage by a blower into a desired conditioned air by a heat exchange unit and blows the air into a passenger compartment, a suction port disposed around a seat of a passenger, and the suction port And a duct communicating with the air passage of the air conditioner.

  It is preferable that a suction selection door for opening and closing the inside of the duct to the air passage of the air conditioner is provided.

  It is preferable that the duct is connected to a position upstream of the blower in the air passage. In this case, it is preferable to provide a duct blower that sucks air into the duct from the suction port.

  It is preferable that the duct includes a duct blower that is connected to a position between the blower and the heat exchanging portion of the air passage and sucks air into the duct through the suction port.

  The suction port is preferably provided in the sheet.

  More preferably, the suction port is provided in an upper portion of the seat back.

  It is preferable to provide a temperature sensor that detects the temperature of the air sucked from the suction port.

  According to the present invention, the conditioned air blown into the passenger compartment from the air conditioner is sucked from the suction port located in the vicinity of the occupant's seating. This collects the conditioned air and suppresses the conditioned air flowing backward from the suction port. The conditioned air sucked from the suction port is returned to the air conditioner through the duct. By such circulation of the conditioned air, a comfortable flow of the conditioned air is formed around the occupant and zone air conditioning is formed.

  In zone air conditioning mode, air conditioning air at the desired temperature is created using the heat exchanger of the air conditioner, so there is no need to install a heat exchanger exclusively for zone air conditioning, which can simplify the system and reduce costs. It is. The conditioned air sucked at the suction port flows through the duct in all the paths returned to the air conditioner and is returned to the air conditioner as much as possible without heat loss, so that the air conditioning load of the air conditioner is reduced. In addition, since the conditioned air sucked from the suction port is not blown into the passenger compartment at all, unlike the second conventional example, a circulating flow of air that is not at a desired temperature is not formed around the passenger.

  As described above, it is possible to provide a vehicular air conditioning system that can simplify the system and reduce the cost, and can perform comfortable zone air conditioning while saving energy by reducing the air conditioning load.

1 is a schematic side view of an air conditioning system for a vehicle according to a first embodiment of the present invention. 1 is a schematic plan view of a vehicle air conditioning system according to a first embodiment of the present invention. 1 is a schematic configuration diagram of a vehicle air conditioning system according to a first embodiment of the present invention. It is a schematic side view of the air conditioning system for vehicles, showing a second embodiment of the present invention. It is a schematic block diagram of the air conditioning system for vehicles which shows 2nd Embodiment of this invention. It is a schematic side view of the air conditioning system for vehicles, showing a third embodiment of the present invention. FIG. 4 is a schematic plan view of a vehicle air conditioning system according to a third embodiment of the present invention. It is a schematic plan view of the air conditioning system for vehicles which shows 4th Embodiment of this invention. It is a schematic sectional drawing of the air conditioning system for vehicles which shows a 1st prior art example. It is a schematic sectional drawing of the air conditioning system for vehicles which shows a 2nd prior art example.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First embodiment)
1 to 3 show a first embodiment of the present invention. 1 and 2, the vehicle 1 has an instrument panel 3 at the foremost part in the passenger compartment 2. In the passenger compartment 2, two front seats (driver seat and front passenger seat) 4 and one long rear seat 5 are provided. Each seat 4 in the front seat has a seat cushion 4a, a seat back 4b, and a headrest 4c. The rear seat 5 includes a seat cushion 5a, a seat back 5b, and two headrests 5c.

  As shown in FIGS. 1 to 3, the vehicle air conditioning system 10 </ b> A includes an air conditioning apparatus 11, suction ports 30 </ b> A and 30 </ b> B disposed around the seats of two passengers in the front seat, and the suction ports 30 </ b> A, The duct 40 which connects between 30B and the ventilation path 13 of the air conditioning apparatus 11 is provided.

  The air conditioner 11 has an air conditioning unit 12 arranged inside the instrument panel 3. As shown in FIG. 3, an air passage 13 is formed in the air conditioning unit 12. In the uppermost stream of the air passage 13, an outside air introduction port 14 for introducing outside air, which is air outside the vehicle compartment 2, and an inside air introduction port 15 for introducing inside air, which is air inside the vehicle compartment 2, are provided. The outside air introduction port 14 and the inside air introduction port 15 are opened and closed by two intake doors 16a and 16b.

  In the air passage 13, an evaporator 18 and a heater core 19, which are heat exchange parts, are arranged in this order together with the air blower 17. The evaporator 18 is a cooling source for blowing air, and the heater core 19 is a heating source for blowing air. A mix door 20 is provided between the evaporator 18 and the heater core 19.

  The blower 17 sucks the inside air and the outside air into the air passage 13 by the rotation of the fan. The evaporator 18 is arrange | positioned so that all the ventilation which passes along the ventilation path 13 may pass, and cools ventilation. The heater core 19 is arrange | positioned in the substantially half area | region of the ventilation path 13, and heats ventilation. The mix door 20 adjusts the ratio of the airflow that flows through the heater core 19 and the airflow that bypasses the heater core 19. Air conditioning air at a desired temperature is produced based on this air volume ratio.

  Downstream of the heater core 19, a defroster outlet 21, vent outlets 22a and 22b, and foot outlets 23a and 23b are provided. The defroster outlet 21 blows out conditioned air toward the windshield. The vent outlets 22a and 22b have a vent outlet 22a on the driver's seat side and a vent outlet 22b on the passenger seat side. The vent outlets 22a and 22b blow out conditioned air toward the upper body of each occupant. The foot outlets 23a and 23b include a driver-side foot outlet 23a and a passenger-side foot outlet 23b. The foot outlets 23a and 23b blow out the conditioned air toward the lower half of each occupant. The defroster outlet 21 is opened and closed by a differential door 24. The vent outlets 22a and 22b are opened and closed by a vent door 25. The foot outlets 23a and 23b are opened and closed by a foot door 26.

  The suction ports 30A and 30B are provided in pairs at the upper positions of the seat backs 4b of the driver seat and the passenger seat, and at the left and right positions with the headrest 4c interposed therebetween. The suction ports 30A and 30B are a total of four locations, and are opened at positions just behind the upper body of the driver and passenger seat passengers.

  One end of the duct 40 is connected to each of the suction ports 30A and 30B. The other end of the duct 40 is connected to the position of the air passage 13 upstream from the blower 17 of the air conditioning unit 12. At the opening position of the duct 40, a suction selection door 41 as a suction selection means is arranged. The suction selection door 41 opens and closes the inside of the duct 40 to the air passage 13 of the air conditioning unit 12. The suction selection door 41 is controlled by the control unit 50.

  In the duct 40, a temperature sensor S1 is disposed. The temperature sensor S1 detects the air temperature of the conditioned air sucked from the suction ports 30A and 30B. The detection data of the temperature sensor S1 is output to the control unit 50.

  An operation panel (not shown) can command various air conditioning states. On the operation panel, it is possible to select overall air conditioning that air-conditions the entire interior of the passenger compartment 2 and zone air conditioning that prioritizes air conditioning in the front seat space in the passenger compartment 2.

  The control unit 50 controls the air conditioner 11 according to a command from an operation panel (not shown) and controls the switching of the suction selection door 50. When the entire air conditioning is selected by the operation panel, the control unit 50 closes the suction selection door 41 and blows out the temperature by a temperature sensor (not shown) of the air conditioner 11 disposed near the instrument panel 3. Control etc. When the zone air conditioning that preferentially air-conditions the front seat space in the passenger compartment 2 is selected by the operation panel, the control unit 50 opens the suction selection door 41 and controls the blowing temperature and the like by the temperature sensor S1 in the duct 40. To do.

  In the above configuration, when the air conditioner 11 is driven, air is sucked into the air passage 13 from the outside air inlet 14 and the inside air inlet 15 by the blower 17. The sucked air is converted into conditioned air at a desired temperature by the evaporator 18 and the heater core 19, and the conditioned air is supplied from at least one air outlet 21, 22 a, 22 b, 23 a, 23 b, for example, the vent air outlet 22 a, 22 b to the vehicle compartment 2. It is blown out inside.

  In the overall air conditioning mode, the suction selection door 41 is positioned at the closed position. Thereby, the suction inlets 30A and 30B of the sheet 4 do not suck the conditioned air. Therefore, the conditioned air blown out from the air conditioner 11 into the passenger compartment 2 flows in almost the entire area of the passenger compartment 2, and the entire interior of the passenger compartment 2 is air-conditioned.

  In the zone air conditioning mode, the suction selection door 41 is positioned at the open position. Thereby, the suction ports 30 </ b> A and 30 </ b> B of the seat 4 suck in the conditioned air by the suction force of the blower 17. Therefore, the conditioned air blown into the passenger compartment 2 from the air conditioner 11 is sucked through the suction ports 30A and 30B of the seat 4 in the front seat. The sucked conditioned air is returned to the air conditioning unit 12 through the duct 40. As shown in FIGS. 1 and 2, the conditioned air is concentrated around the passengers in the front seat and collected from the suction ports 30A and 30B, and flows to the passenger compartment space behind the suction ports 30A and 30B. Is suppressed. Thereby, a zone air-conditioning area is formed in the front seat in the passenger compartment 2.

  In the zone air-conditioning mode, the air-conditioning air at a desired temperature is produced using the evaporator 18 and the heater core 19 of the air-conditioning unit 12, so there is no need to install a heat exchange unit dedicated to zone air-conditioning, simplifying the system and reducing the cost. Is possible. The conditioned air sucked through the suction ports 30A and 30B flows through the duct 40 in all the paths returned to the air conditioner 11, and is returned to the air conditioner 11 without loss of heat (including temperature and humidity) as much as possible. The air conditioning load of the device 11 is reduced. In addition, since the conditioned air sucked from the suction ports 30A and 30B is not blown into the passenger compartment 2 as in the second conventional example, a circulating air flow not having a desired temperature may be formed around the occupant. Absent.

  As described above, the vehicle air conditioning system 10A can simplify the configuration and reduce the cost, and can perform comfortable zone air conditioning while saving energy by reducing the air conditioning load. In addition, the zone air-conditioning can improve the immediate cooling property and the immediate warming property.

  In the vehicle 1 in which the air conditioner 11 is mounted in advance, the present invention can be applied only by installing the suction ports 30A and 30B, the duct 40, and the like. Therefore, the present invention can be easily retrofitted.

  Since the suction selection door 41 that opens and closes the inside of the duct 40 to the air passage 13 of the air conditioning unit 12 is provided, both the overall air conditioning and the zone air conditioning can be realized by switching the position of the suction selection door 41. Moreover, since it is only necessary to control the position switching of the suction selection door 41, switching control between the entire air conditioning and the zone air conditioning is easy.

  The other end of the duct 40 is connected to the position of the air passage 13 upstream from the blower 17 of the air conditioning unit 12. Therefore, since the conditioned air can be sucked from the suction ports 30A and 30B using the suction force of the blower 17 of the air conditioning unit 12, it is not necessary to provide a separate blower dedicated to the suction. This further simplifies the system and reduces the cost.

  As a modification, a duct blower that sucks air into the duct 40 may be provided. With such a configuration, the conditioned air can be reliably sucked into the duct 40 regardless of the duct ventilation resistance or the like.

  The suction ports 30 </ b> A and 30 </ b> B are provided in the sheet 4. Since the seat 4 is an existing part on which an occupant sits, the seat 4 is the most suitable part for arranging the suction ports 30A and 30B, and is easy to install.

  The suction ports 30A and 30B are provided in the upper part of the seat back 4b. The air-conditioned airflow that has been conditioned is blown out from the vent air outlets 22a and 22b to the vicinity of the head from the upper body of the passenger. Further, in the case of warm air, the air is blown out from the foot outlets 23a and 23b, and an air current is generated in the upper part of the passenger compartment. Therefore, the conditioned air can be efficiently sucked by the suction ports 30A and 30B provided in the upper part of the seat back 4b.

  A temperature sensor S1 for detecting the temperature of air sucked from the suction ports 30A and 30B is provided. Therefore, in the zone air-conditioning mode, the air-conditioning temperature can be accurately controlled by controlling the blowing temperature of the air conditioner 11 with the temperature of the air-conditioning air that has actually passed around the passenger.

(Second Embodiment)
4 and 5 show a second embodiment of the present invention. As shown in FIG.4 and FIG.5, compared with the thing of the said 1st Embodiment, the connection position of the other end of the duct 40 differs in the air conditioning system 10B for vehicles of 2nd Embodiment. That is, the other end of the duct 40 is connected to the position of the air passage 13 between the blower 17 and the evaporator 18 of the air conditioner 11. The duct 40 is provided with a duct blower 42 for sucking air from the suction ports 30A and 30B. The duct blower 42 is controlled by the control unit 50.

  Since other configurations are the same as those of the first embodiment, the description is omitted to avoid redundant description. Further, the same components as those in the first embodiment of the drawings are denoted by the same reference numerals for clarification.

  In the above configuration, when the air conditioner 11 is driven, air is sucked into the air passage 13 from the outside air inlet 14 and the inside air inlet 15 by the blower 17. The sucked air is converted into conditioned air at a desired temperature by the evaporator 18 and the heater core 19, and the conditioned air is supplied from at least one air outlet 21, 22 a, 22 b, 23 a, 23 b, for example, the vent air outlet 22 a, 22 b to the vehicle compartment 2. It is blown out inside.

  In the overall air conditioning mode, the suction selection door 41 is positioned at the closed position, and the duct blower 42 is not driven. Thereby, the suction inlets 30A and 30B of the sheet 4 do not suck the conditioned air. Accordingly, the conditioned air blown from the air conditioner 11 into the passenger compartment 2 becomes an air flow that spreads over almost the entire interior of the passenger compartment 2, and the entire interior of the passenger compartment 2 is air-conditioned.

  In the zone air conditioning mode, the suction selection door 41 is positioned at the open position, and the duct blower 42 is driven. Thereby, the suction ports 30 </ b> A and 30 </ b> B of the seat 4 suck in the conditioned air by the suction force of the duct blower 42. Therefore, the conditioned air blown into the passenger compartment 2 from the air conditioner 11 is sucked through the suction ports 30A and 30B of the seat 4 in the front seat. The sucked conditioned air is returned to the air conditioning unit 12 through the duct 40. As shown in FIG. 4, the conditioned air is intensively passed around the front seat occupant and collected from the suction ports 30A and 30B, and the flow to the vehicle compartment space behind the suction ports 30A and 30B is suppressed. The Thereby, a zone air-conditioning area is formed in the front seat in the passenger compartment 2.

  As described above, the vehicle air conditioning system 10B can simplify the configuration and reduce the cost for the same reason as described in the first embodiment, and can also save energy by reducing the air conditioning load. Comfortable zone air conditioning can be performed while aiming.

  Since the suction selection door 41 that opens and closes the inside of the duct 40 to the air passage 13 of the air conditioning unit 12 and the duct blower 42 are provided, the position of the suction selection door 41 and the drive of the duct blower 42 are controlled to control the entire air conditioning. And zone air conditioning can be selectively performed.

  In this 2nd Embodiment, since the air blower 42 for ducts is provided, the suction | inhalation amount of suction inlet 30A, 30B can be adjusted separately from the blowing blast volume of the air conditioning apparatus 11. FIG.

(Third embodiment)
6 and 7 show a third embodiment of the present invention. As shown in FIGS. 6 and 7, in addition to the configuration of the first embodiment, the vehicle air conditioning system 10C of the third embodiment has a suction port 30C opened in the vicinity of the seat of the passenger in the rear seat, 30D and a duct 43 that communicates between the suction ports 30C and 30D and the air passage (not shown) of the air conditioner 11 is further provided.

  A pair of suction ports 30C, 30D on the rear seat side is provided at the upper position of the two seat backs 5b on the rear seat and at the left and right positions with the headrest 5c interposed therebetween. The suction ports 30C and 30D on the rear seat side are also provided at a total of four locations.

  The other end of the rear seat duct 43 is connected to a position of a blower passage (not shown) upstream from the blower (not shown) in the air conditioning unit 12, similarly to the front seat duct 40. The duct 43 is opened and closed by a suction selection door (not shown).

  Since other configurations are the same as those of the first embodiment, the description is omitted to avoid redundant description. Further, the same components as those in the first embodiment of the drawings are denoted by the same reference numerals for clarification.

  In the above configuration, the zone air-conditioning region is formed in the front seat in the passenger compartment 2 as described in the first embodiment by sucking the conditioned air from the front seat side suction ports 30A and 30B. Further, as shown in FIGS. 6 and 7, a zone air-conditioning region is formed in the front seat and the rear seat in the passenger compartment 2 by sucking the conditioned air from the suction ports 30 </ b> C and 30 </ b> D on the rear seat side. That is, the conditioned air blown into the passenger compartment 2 from the air conditioner 11 is sucked through the suction ports 30 </ b> C and 30 </ b> D of the rear seat 5. The sucked conditioned air is returned to the air conditioning unit 12 through the duct 43. The conditioned air passes through the vicinity of the front seat occupant, then intensively passes around the rear seat occupant and is collected from the suction ports 30C and 30D, and enters the passenger compartment space behind the suction ports 30C and 30D. Flow is suppressed. Thereby, zone air-conditioning areas are formed in the front seat and the rear seat in the passenger compartment 2.

  The other ends of the front seat duct 40 and the rear seat duct 43 are blown between a blower (not shown) and an evaporator (not shown) in the air conditioning unit 12 as in the second embodiment. You may connect to the position of a path (not shown). In this case, a duct fan (not shown) for suction is provided in each of the ducts 40 and 43.

  The vehicle air conditioning system 10C of the third embodiment is particularly effective for a vehicle having a large compartment such as a one-box car.

(Fourth embodiment)
FIG. 8 shows a fourth embodiment of the present invention. As shown in FIG. 8, the vehicle air conditioning system 10 of the fourth embodiment is different from the first embodiment in that the suction port 30 </ b> A of the driver seat side seat 4 and the passenger seat seat 4 suction The point which the port 30B is connected to the ventilation path (not shown) of the air conditioning apparatus 11 by the separate ducts 40A and 40B is different.

  Each duct 40A, 40B is opened and closed by a respective suction selection door (not shown). Each suction selection door (not shown) is controlled by a control unit (not shown).

  Since other configurations are the same as those of the first embodiment, the description is omitted to avoid redundant description. Further, the same components as those in the first embodiment of the drawings are denoted by the same reference numerals for clarification.

  In the fourth embodiment, a zone air-conditioning area is formed on both sides of the driver seat and the passenger seat, a zone air-conditioning area is formed only on the driver seat side (state of FIG. 8), or zone air-conditioning is formed only on the passenger seat side. A region can be formed.

  Further, each other end of the two ducts 40A and 40B is connected to a blower path (not shown) between a blower (not shown) and an evaporator (not shown) in the air conditioning unit 12 as in the second embodiment. )) May be connected. In this case, a duct fan (not shown) for suction is provided in each of the ducts 40 and 43.

(Modification)
In the above embodiments, the suction ports 30 </ b> A to 30 </ b> D are provided in the seats 4 and 5, but may be anywhere around the seating position of the occupant. The suction ports 30 </ b> A to 30 </ b> D may be provided around the sheets 4 and 5, and this is easier to install later.

  As a modified example of the vehicle air conditioning system, a suction port may be provided at each of the seating positions of all occupants, and ducts that return the conditioned air sucked from the suction ports to the air conditioning apparatus may be provided. In this way, zone air conditioning is possible for each occupant, and zone air conditioning in accordance with the boarding rate is possible.

2 Cabin 4, 5 Seat 10A to 10D Air conditioning system for vehicle 11 Air conditioning device 13 Blower path 17 Blower 18 Evaporator (heat exchanger)
19 Heater core (heat exchanger)
30A-30D Suction port 40, 40A, 40B, 43 Duct 41 Suction selection door (suction selection means)
42 Fan for duct S1 Temperature sensor

Claims (8)

An air conditioner (11) that converts the air sucked into the air passage (13) by the blower (17) into a desired conditioned air by the heat exchange units (18) and (19) and blows it into the passenger compartment (2); ,
Suction ports (30A) to (30D) arranged around the seating of the occupant;
Ducts (40), (40A), (40B), (43) communicating between the suction ports (30A) to (30D) and the air passage (13) of the air conditioner (11) are provided. Vehicular air conditioning systems (10A) to (10D) characterized by the above. The vehicle air conditioning system (10A) to (10D) according to claim 1,
Vehicular air conditioning systems (10A) to (10D) comprising suction selection means (41) for opening and closing the duct (40) in the air passage (13) of the air conditioning device (11). . The vehicle air conditioning system (10A), (10C), (10D) according to claim 1 or 2,
The vehicle air conditioning system (10A), wherein the ducts (40), (40A), (40B), and (43) are connected to a position upstream of the blower (17) of the blower passage (13). ), (10C), (10D). The vehicle air conditioning system (10A), (10C), (10D) according to claim 3,
A vehicle air conditioning system (10A), (10C), (10D) comprising a duct blower for sucking air into the ducts (40), (40A), (40B), (43). The vehicle air conditioning system (10A) to (10D) according to claim 1 or 2,
The ducts (40), (40A), (40B), and (43) are connected to positions of the air passage (13) between the fan (17) and the heat exchange units (18) and (19). ,
A vehicle air comprising a duct blower (42) for sucking air into the ducts (40), (40A), (40B), and (43) from the suction ports (30A) to (30D). Harmonization systems (10A) to (10D). The vehicle air conditioning system (10A) to (10D) according to any one of claims 1 to 5,
The vehicle air conditioning systems (10A) to (10D), wherein the suction ports (30A) to (30D) are provided in the seats (4) and (5). The vehicle air conditioning system (10A) to (10D) according to claim 6,
The air inlet systems (10A) to (10D) for the vehicle, wherein the suction ports (30A) to (30D) are provided in upper portions of seat backs (4b) and (5b). The vehicle air conditioning system (10A) to (10D) according to any one of claims 1 to 7,
A vehicle air conditioning system (10A) to (10D) comprising a temperature sensor (S1) for detecting the temperature of air sucked from the suction ports (30A) to (30D).

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