JP6654491B2 - Vehicle air conditioner - Google Patents

Description

  The present invention relates to an air conditioner for a vehicle, and more particularly to an air conditioner for a vehicle that adjusts a flow of conditioned air to a window or the like where heat release or heat inflow is increased to reduce a temperature difference between a window side and a center side of the vehicle. .

  The following systems are known as conventional vehicle air conditioning systems. FIG. 8A shows the flow of the conditioned air in the vent blowing mode during cooling. An upper intake port 104 is provided so as to sandwich the headrest 103 of the driver's seat 101 of the vehicle 100, and the upper intake port 104 sucks in conditioned air blown from an upper outlet 105 in front of the vehicle. With this system, an air-conditioned wind that passes around the upper body of the driver 106 sitting on the driver's seat 101 is formed.

  On the other hand, FIG. 8B shows the flow of the conditioned air in the foot blowing mode during heating. A lower suction port 107 is provided below the driver's seat 101 of the vehicle 100, and the lower suction port 107 sucks in conditioned air blown out from a foot outlet 108 in front of the vehicle. With this system, conditioned air that passes around the lower body of the driver or the like sitting on the driver's seat 101 is formed (for example, see Patent Document 1).

  The following structures are known as conventional heat functional structures for automobiles. FIG. 9 shows a schematic diagram of an insulated vehicle to which a heat functional structure for an automobile is applied. A heat insulating member 123 is provided outside the side glass 122 of the vehicle 121 to prevent heat from entering the vehicle interior and reduce a rise in temperature in the vehicle interior. As a material of the heat insulating member 123, for example, at least one selected from a woven fabric, a nonwoven fabric, a foam material, and a vacuum heat insulating material is used (for example, see Patent Document 2).

JP 2013-86705 A JP 2005-112108 A

  As shown in FIGS. 8A and 8B, in the conventional air conditioning system for a vehicle, conditioned air passing around the upper body of the driver 106 is formed during cooling, and air conditioning passing around the lower body of the driver during heating. Wind is forming. In both modes, the system sucks the conditioned air blown from the front of the driver's seat 101 from the upper suction port 104 or the lower suction port 107. Therefore, when cooling or warming the entire body of the driver 106 during cooling in summer or heating in winter, for example, air conditioning that wraps around the driver's 106 from the thigh to the trunk and neck. Difficult to generate wind.

  In particular, it is difficult to flow air-conditioned air around the neck, shoulders, and upper arms of the driver 106 located near the window of the vehicle 100. There is a problem that it is difficult to cool or warm.

  Specifically, in winter, the vehicle usually travels while heating the interior of the vehicle. However, the heat in the interior of the vehicle is easily released to the outside of the vehicle through the window, and the center of the vehicle 100 is warm. Becomes cold, and a difference in temperature occurs in the cabin. In particular, when the vehicle 100 travels, heat in the vehicle compartment is easily released to the outside of the vehicle through the window due to the flow of air generated around the vehicle 100. As a result, the vicinity of the neck, shoulder, and upper arm of the driver 106 located near the window tends to be cold.

  On the other hand, in summer, the vehicle usually travels with cooling in the vehicle interior, but heat outside the vehicle interior easily flows into the vehicle interior through the window, and the center side of the vehicle interior is cooled, but the window of the vehicle 100 is hot. As a result, a temperature difference occurs in the vehicle interior. In particular, near the window of the vehicle 100, direct sunlight may enter, and the vicinity of the neck, shoulder, and upper arm of the driver 106 located near the window tends to become hot.

  That is, at the window of the vehicle 100, heat is likely to be released from the interior of the vehicle compartment and heat is likely to flow in from outside the vehicle compartment, so that measures are taken against the temperature of the driver's 106 located near the window around the neck, shoulder, and upper arm. ing. It should be noted that occupants sitting near the window, such as a passenger seat (not shown) and a rear seat, have the same problem as described above, and a solution to the problem is required.

  As shown in FIG. 9, a heat insulating member 123 may be provided outside the side glass 122 of the vehicle 121 as a measure against the window of the vehicle 121. However, when laminating a film or the like as the heat insulating member 123 to the side glass 122 of the driver's seat or the passenger's seat, materials to be used are also limited due to the problem of visible light transmittance according to the security standard for automobile window glass. In addition, there is a problem that extra cost such as material cost and work cost is required for preparing the film and the like, and the measure is not a very effective measure against the above-mentioned measure against the temperature.

  The present invention has been made in view of the above circumstances, and the suction port of the air conditioner for a vehicle is disposed on the window side and the center side of the vehicle. The present invention relates to a vehicle air conditioner that reduces a temperature difference between a window side and a center side of a vehicle by flowing wind.

In the vehicle air conditioner of the present invention, the vehicle is disposed on the shoulder of the occupant sitting on the seat disposed on the vehicle or on the vehicle above the shoulder, and in the vehicle width direction with respect to the center of the seat. Any one of a plurality of suction ports or outlets disposed outside and inside of the vehicle, and the other of the suction port or the discharge port disposed on the vehicle below the shoulder, and The amount of suction from the suction port and the amount of suction from the inner suction port, or the amount of air blown from the outer air outlet and the amount of air blown from the inner air outlet, flow rate adjusting means capable of adjusting, It has, and wherein the varying of at least the intake amount between outside and inside in the vehicle width direction of the vehicle by the flow rate adjusting means.

Further, in the vehicular air conditioning apparatus of the present invention, the suction port is characterized in that it is arranged above the vehicle than the shoulder.

  Further, the air conditioner for a vehicle according to the present invention includes a suction control unit that controls the suction amount by the flow rate adjusting unit.

  Further, in the air conditioner for a vehicle according to the present invention, the amount of suction from the outer suction port is larger than the amount of suction from the inner suction port by the flow rate adjusting means.

  Further, in the vehicle air conditioner of the present invention, the vehicle air conditioner has a circulation air path connecting the suction port and the air outlet, and the air sucked from the air suction port flows through the circulation air path. It is blown out from the outlet.

  In the vehicle air conditioner of the present invention, the suction port is provided in the shoulder or the vehicle above the shoulder, and the air outlet is provided in the vehicle below the shoulder. It is characterized by that.

  In the air conditioner for a vehicle according to the present invention, the suction port is provided at an upper end portion or a headrest of a seat back of the seat, and the air outlet is provided at a seat cushion of the seat.

  Further, in the vehicle air conditioner according to the present invention, the flow rate adjusting means includes a shutter for changing an opening area of the suction port.

  In the air conditioner for a vehicle according to the present invention, the flow rate adjusting means adjusts a flow passage area of the circulation air passage at a branch point of the circulation air passage connected to each of the outer suction port and the inner suction port. It is characterized by having an opening and closing member that performs.

  Further, in the vehicle air conditioner of the present invention, a plurality of the outlets are arranged outside and inside the vehicle width direction of the vehicle below the shoulder in the vehicle, and the flow rate adjusting unit controls the flow rate. It is adjustable, and the blowing amount is made different between the outside and the inside in the vehicle width direction of the vehicle by the flow rate adjusting means.

  Further, the vehicle air conditioner of the present invention is characterized by having a blowout wind direction adjusting means for adjusting a wind direction of the air blown out from the blowout port.

  Further, the vehicle air conditioner according to the present invention is characterized in that the vehicle air conditioner includes a blowout control unit that controls at least the blowout amount or the blowout wind direction adjusting means by the flow rate adjusting means.

  Further, in the vehicle air conditioner according to the present invention, the flow rate adjusting means includes a shutter for changing an opening area of the outlet.

  In the vehicle air conditioner of the present invention, the air outlet and the air inlet of the air conditioner are respectively disposed outside and inside in the vehicle width direction with respect to the center of the seat on which the occupant sits, and the conditioned air blown out from the air outlet. Is mostly sucked through the inlet. The suction port is provided with a flow rate adjusting means, so that the suction amount of the conditioned air from the outside suction port and the suction amount from the inside suction port can be made different. Similarly, a flow rate adjusting means is provided at the outlet, so that the amount of conditioned air blown from the outer outlet and the amount of blown air from the inner outlet can be made different. With this vehicle air conditioner, the flow of conditioned air can be adjusted, and a large amount of conditioned air is flown into areas where heat is released or flows in large amounts, such as near windows, to take measures against the difference in temperature inside and outside the vehicle due to the conditioned air. Can be.

  Further, in the vehicle air conditioner of the present invention, the suction port is disposed on the shoulder of the occupant seated on the seat or on the vehicle above the shoulder, and the amount of air-conditioning air suction from the outside suction port and the inside suction. The amount of suction from the mouth can be different. Then, the conditioned air is reliably supplied to the occupant's shoulders and the periphery thereof, the flow of the conditioned air is adjusted according to the situation, and the occupant's comfort is improved.

  Further, in the vehicle air conditioner of the present invention, the flow of the conditioned air is automatically controlled as appropriate in accordance with detection information from various sensors attached to the vehicle, operation information by the occupant, and the like, thereby improving occupant comfort. Is done.

  Further, in the vehicle air conditioner of the present invention, the amount of conditioned air sucked from the outside suction port located on the window side is increased, so that a large amount of conditioned air is supplied to the occupant's shoulder near the window and its peripheral portion. . Then, a part of the body of the occupant by the window is actively heated or cooled, so that the comfort of the occupant is improved.

  Further, in the vehicle air conditioner of the present invention, most of the conditioned air blown out from the outlet is sucked in from the inlet, and the sucked conditioned air is adjusted in temperature in the air conditioner, and then the outlet air again. Blown out from. Then, the conditioned air circulates around the seat through the air conditioner, whereby the load on the air conditioner is reduced, and energy saving operation of the vehicle is realized.

  Further, in the vehicle air conditioner of the present invention, the air inlet is disposed above the shoulder or the shoulder of the occupant seated on the seat, so that the conditioned air is applied to the occupant's shoulder near the window and the periphery thereof. Surely supplied. Then, a part of the body of the occupant by the window is actively heated or cooled, so that the comfort of the occupant is improved.

  Further, in the vehicle air conditioner of the present invention, the air inlet is disposed at the upper end portion of the seat back or the headrest, so that the conditioned air is reliably supplied to the shoulder portion of the occupant near the window and the periphery thereof. Then, a part of the body of the occupant by the window is actively heated or cooled, so that the comfort of the occupant is improved.

  In the vehicle air conditioner of the present invention, a shutter is provided at the suction port, and the opening area of the suction port is adjusted by sliding the shutter. Then, with a simple structure using the shutter, the suction amount from the suction port is adjusted, and the flow of the conditioned air is adjusted.

  Further, in the vehicle air conditioner of the present invention, an opening / closing member for adjusting the flow passage area is provided in the circulation air passage provided with the suction port. Then, the suction amount from the suction port is adjusted according to the position of the opening / closing member, and the flow of the conditioned air is adjusted.

  In the vehicle air conditioner of the present invention, a plurality of air outlets are arranged outside and inside the vehicle width direction below the shoulder of the occupant. The outlet is provided with a flow rate adjusting means, so that the amount of the conditioned air blown from the outer outlet and the amount of the blown air from the inner outlet can be made different. With this vehicle air conditioner, the flow of conditioned air can be adjusted, and a large amount of conditioned air is flown into areas where heat is released or flows in large amounts, such as near windows, to take measures against the difference in temperature inside and outside the vehicle due to the conditioned air. Can be.

  In the vehicle air conditioner of the present invention, the air outlet is provided with an air outlet direction adjusting means, and the air direction of the air blown out from the air outlet is adjusted to generate an air-conditioned air that easily wraps the occupant's body. The flow of the wind is adjusted.

  Further, in the vehicle air conditioner of the present invention, the flow of the conditioned air is automatically controlled as appropriate in accordance with detection information from various sensors attached to the vehicle, operation information by the occupant, and the like, thereby improving occupant comfort. Is done.

  In the vehicle air conditioner of the present invention, a shutter is provided at the outlet, and the opening area of the outlet is adjusted by sliding the shutter. The amount of air blown out from the air outlet is adjusted by the simple structure of the shutter, and the flow of the conditioned air is adjusted.

BRIEF DESCRIPTION OF THE DRAWINGS It is the schematic for demonstrating the vehicle in which the vehicle air conditioner of one Embodiment of this invention was arrange | positioned. BRIEF DESCRIPTION OF THE DRAWINGS It is the schematic explaining the structure of the vehicle air conditioner of one Embodiment of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is (A) perspective view and (B) top view for demonstrating the front passenger seat in which the vehicle air conditioner of one Embodiment of this invention was arrange | positioned. 1A is a front view, FIG. 2B is a top view, and FIG. 1C is a cross-sectional view illustrating a first example of the flow of conditioned air in a vehicle air conditioner according to an embodiment of the present invention. It is (A) front view, (B) top view, (C) sectional drawing explaining 2nd Example of the flow of the conditioned air in the vehicle air conditioner of one Embodiment of this invention. It is a front view explaining the 3rd example of the flow of the conditioned air in the air conditioner for vehicles of one embodiment of the present invention. It is a front view explaining the 4th example of the flow of the conditioned air in the air conditioner for vehicles of one embodiment of the present invention. It is (A) schematic side view and (B) schematic side view explaining the conventional air conditioning system for vehicles. FIG. 7 is a schematic longitudinal sectional view showing a heat-insulated vehicle to which a conventional heat functional structure for an automobile is applied.

  Hereinafter, a vehicle air conditioner according to an embodiment of the present invention will be described in detail with reference to the drawings. In the description of one embodiment, the same reference numerals are used for the same members in principle, and the repeated description is omitted.

  FIG. 1 is a schematic side view for explaining a vehicle provided with a vehicle air conditioner 3 of the present embodiment. FIG. 2 is a schematic configuration diagram for explaining the vehicle air conditioner 3 of the present embodiment.

  As shown in FIG. 1, an air conditioning unit 7 of the vehicle air conditioner 3 is disposed behind the dashboard 2 of the vehicle 1. Air-conditioned air cooled or heated in the air-conditioning unit 7 is blown into the passenger compartment through air outlets 6R and 6L provided in the passenger seat 5. The outlets 6R and 6L are arranged as a pair inside and outside the seat cushion 5A in the vehicle width direction. The vehicle air conditioner 3 is disposed, for example, on the front passenger seat 5 and used as a seat air conditioner. An existing HVAC (heating ventilation air conditioner) may be used instead of the air conditioning unit 7, and a duct connected to the HVAC may be extended to the passenger seat 5 to form a circulation air passage.

  Although details will be described later, a pair of suction ports 25R and 25L (see FIG. 3B) are arranged on the upper end surface of the seat back 5B of the passenger seat 5, and on both sides of the headrest 5C. The conditioned air blown out from the outlets 6R and 6L is directed upward of the vehicle 1 along the thigh of the occupant P, and then is sucked from the inlets 25R and 25L. Then, the conditioned air sucked from the suction ports 25R and 25L returns to the air conditioning unit 7 via the suction duct 8 provided in the seat back 5B. On the other hand, the returned conditioned air is temperature-adjusted in the air-conditioning unit 7 or is blown out of the outlets 6R and 6L again through the air duct 9 while maintaining the temperature.

  That is, most of the conditioned air blown out from the outlets 6R, 6L is immediately sucked from the inlets 25R, 25L, so that the conditioned air in the vehicle compartment circulates, and the load on the vehicle air conditioner 3 is reduced. 1 energy saving operation is realized.

  In the following description, the case where the vehicle air conditioner 3 is disposed on the passenger seat 5 will be described. However, the present invention is not limited to this case. It may be arranged on the seat.

  As shown in FIG. 2, the vehicle air conditioner 3 mainly includes air outlets 6R and 6L, a suction duct 8, a blow duct 9, suction ports 25R and 25L, an air conditioning unit 7, a control unit 11, It has various sensors such as a solar radiation sensor 16, a room temperature sensor 17, and an outside air temperature sensor 18, and an operation switch 19. Further, the air conditioning unit 7 includes a chamber 4, an intake duct 12, a blower 13, an evaporator 14, and a heat core 15.

  The control unit 11 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like, and executes an electronic control unit ( ECU). The control unit 11 performs various calculations and the like based on information detected from various sensors such as the solar radiation sensor 16, the room temperature sensor 17, and the outside air temperature sensor 18, for example, to determine the current state of the vehicle room such as room temperature. The determination is made, and the suction amount of the conditioned air from the inlets 25R and 25L, the blowout amount and the wind direction of the conditioned air from the outlets 6R and 6L are adjusted.

  The chamber 4 is disposed, for example, behind the dashboard 2 (see FIG. 1) of the vehicle 1, and a blower 13 and an intake duct 12 are disposed upstream of the chamber 4. The intake duct 12 branches into an outside air intake duct 12A that takes in outside air and an inside air intake duct 12B that takes in inside air. Then, the outside air intake duct 12A and the inside air intake duct 12B are switched by the switching damper 20, and the air taken into the chamber 4 is selected. For example, the blower 13 and the switching damper 20 are controlled by the control unit 11, and the blower 13 is driven by the motor drive, and when the switching damper 20 closes the outside air intake duct 12 </ b> A by the motor drive, the inside air intake duct 12 </ b> B Conditioned air is taken in.

  In the chamber 4, an evaporator 14 as a cooler unit and a heater core 15 as a heater unit are arranged from the upstream side. The evaporator 14 is disposed on almost the entire cross section of the chamber 4, and the heat core 15 is disposed on about the upper half cross section of the chamber 4. An air path adjustment damper 21 is provided between the evaporator 14 and the heat core 15, and the amount of air passing through the heat core 15 is adjusted by the air path adjustment damper 21. For example, the airflow path adjustment damper 21 is controlled by the control unit 11, and the airflow path adjustment damper 21 closes the upper side of the chamber 4 by a motor drive, and blows out into the vehicle interior by reducing the amount of air passing through the heat core 15. The temperature of the conditioned air decreases.

  A blow duct 9 is connected to the downstream side of the chamber 4, and the blow duct 9 branches into a right blow duct 9R and a left blow duct 9L in the seat cushion 5A (see FIG. 1). , 6L are provided. An air flow adjustment damper 22 is provided at a branch point of the air duct 9, and the air volume adjustment damper 22 adjusts the flow path area of the air duct 9, and the air flow of the conditioned air blown out from the outlets 6 </ b> R and 6 </ b> L is adjusted. I have. For example, the air volume adjustment damper 22 is controlled by the control unit 11, and when the right air duct 9R side on the air outlet 6R side is largely closed by motor driving, the air volume of the conditioned air blown out from the air outlet 6L increases. .

  Similarly to the air duct 9, the suction duct 8 also branches into a right suction duct 8R and a left suction duct 8L in the seat back 5B (see FIG. 1), and suction ends 25R and 25L are provided at the ends thereof. . An air flow adjustment damper 23 is disposed at a branch point of the suction duct 8, and the air flow adjustment damper 23 adjusts a flow passage area of the suction duct 8, and adjusts an air flow of the conditioned air sucked from the suction ports 25R and 25L. . For example, the air volume adjustment damper 23 is controlled by the control unit 11, and when the right suction duct 8R side on the suction port 25R side is largely closed by driving the motor, the air volume of the conditioned air sucked from the suction port 25L increases.

  Although the details will be described later, the air volume adjustment dampers 22 and 23 are not necessarily limited to the case where the air volume adjustment dampers 22 and 23 are disposed in the ducts 8 and 9. For example, the air volume adjustment dampers 22 and 23 may be provided in the outlets 6R and 6L and the inlets 25R and 25L. When a shutter or a louver for adjusting the air volume is provided, the air volume adjusting dampers 22 and 23 may not be provided. Further, the air volume may be adjusted by combining the air volume adjustment dampers 22 and 23 and a shutter or a louver.

  Various sensors such as a solar radiation sensor 16, a room temperature sensor 17, and an outside air temperature sensor 18 are provided in the vehicle 1, and the sensors 16, 17, and 18 are connected to the control unit 11. The solar radiation sensor 16 is a sensor for detecting the amount of solar radiation from the sun, the room temperature sensor 17 is a sensor for detecting the air temperature in the vehicle interior, and the outside air temperature sensor 18 is a sensor for detecting the air temperature outside the vehicle interior. The control unit 11 performs various calculations and the like based on information detected from the sensors 16, 17, 18 and the like. For example, the control unit 11 controls a motor that drives the switching damper 20, the air path adjustment damper 21, and the air volume adjustment dampers 22, 23. It controls and adjusts the temperature and air volume of the conditioned air.

  The operation switch 19 includes a push button, a rotation button, a touch panel, and the like, and is disposed on, for example, an instrument panel. By operating the operation switch 19, the occupant P (see FIG. 1) can adjust the air conditioning mode, the air conditioning temperature, the wind direction, the air volume, and the like. The operation switch 19 is connected to the control unit 11, and the control unit 11 performs various controls in accordance with the operation of the operation switch 19 by the occupant P, and the air volume and the wind direction of the conditioned air sucked from the suction ports 25R and 25L. , The amount of conditioned air blown from the outlets 6R and 6L, the temperature of the conditioned air, and the like are adjusted.

  FIG. 3A is a perspective view for explaining a passenger seat 5 in which the vehicle air conditioner 3 of the present embodiment is disposed, and FIG. 3B is a perspective view of the vehicle air conditioner 3 of the present embodiment. FIG. 3 is a top view for explaining a passenger seat 5 provided.

  As shown in FIG. 3A, the passenger seat 5 includes a seat cushion 5A on which an occupant P (see FIG. 1) is seated, and a seat back 5B extending upward from the rear of the seat cushion 5A and supporting the back of the occupant P. And a headrest 5C disposed at the upper end of the seat back 5B.

  A pair of air outlets 6R and 6L are arranged on the upper surface side of the seat cushion 5A. The dashed line indicates the center line 24 of the passenger seat 5 in the vehicle width direction. The pair of outlets 6R and 6L are arranged symmetrically in the vehicle width direction with respect to the center line 24 of the passenger seat 5. The outlets 6R, 6L are formed as openings extending in the front-rear direction of the vehicle 1, but are not limited to this shape. For example, a plurality of circular outlets 6R and 6L smaller than the opening may be arranged at predetermined intervals in the front-rear direction of the vehicle 1, and the entire upper surface of the seat cushion 5A is smaller than the opening. A plurality of circular outlets 6R and 6L may be arranged.

  The air duct 9 is disposed in the seat cushion 5A, and the conditioned air cooled or heated by the air conditioning unit 7 (see FIG. 2) is blown out from the outlets 6R and 6L through the air duct 9 into the vehicle interior. The outlets 6R and 6L are, for example, near the upper surface end of the seat cushion 5A and are arranged on a surface inclined toward the center line 24. The conditioned air is blown out from the outlets 6R and 6L upward of the vehicle 1 so as to wrap the lower body of the occupant P along the thighs of the occupant P.

  As shown in FIG. 3B, the height at which the pair of suction ports 25 </ b> R and 25 </ b> L is arranged is determined based on the body shape of the occupant P sitting on the passenger seat 5. As the body shape of the occupant P at the time of determining the height, a standardized body model AM50, AM95, or the like is appropriately adopted as a reference.

  Specifically, a pair of suction ports 25R and 25L are the upper end surfaces of the seat back 5B and are arranged on both sides of the headrest 5C. The pair of suction ports 25R and 25L are arranged symmetrically with respect to the center line 24 of the passenger seat 5 in the vehicle width direction. The suction ports 25R and 25L are each formed as an opening extending in the vehicle width direction of the vehicle 1, and have the same opening area.

  The suction duct 8 branches into a right suction duct 8R and a left suction duct 8L in the seat back 5B, and tips of the two suction ducts 8R, 8L are provided with suction ports 25R, 25L, respectively. Although the details will be described later, the opening areas of the suction ports 25R and 25L are adjusted by the shutters, and it is possible to make the air flow rates of the conditioned air sucked from the respective suction ports 25R and 25L different. For example, by increasing the suction amount from the inlet 25L near the window of the vehicle 1, the amount of conditioned air flowing to the left side of the upper body of the occupant P is increased, and in summer, the shoulder near the window of the occupant P and its vicinity are increased. It is possible to more positively cool, and to more positively warm the shoulders near the window of the occupant P and its vicinity in winter.

  Note that the shoulder height of the occupant P is the height from the base of the arm, that is, from the vicinity of the armpit, which is the lower part of the connection between the trunk and the arm, to the vicinity of the base of the neck, in other words, It corresponds to the height from the vicinity of the scapula to the vicinity of the base of the neck.

  First, a first example of the flow of the conditioned air blown from the vehicle air conditioner 3 of the present embodiment will be described with reference to FIGS. FIG. 4A is a front view for explaining the flow of conditioned air blown out from the vehicle air conditioner 3 of the present embodiment, and FIG. 4B is a suction diagram of the vehicle air conditioner 3 of the present embodiment. It is a top view explaining mouth 25R, 25L. FIG. 4C is a cross-sectional view of the suction port shown in FIG.

  As shown in FIG. 4A, an occupant P is seated on the passenger seat 5, and the air outlets 6R and 6L of the vehicle air conditioner 3 are provided on the outside and inside of the occupant P in the vehicle width direction. Are located. Although the details will be described later, the conditioned air blown out from the outlets 6R and 6L is obliquely upward toward the center of the occupant P by louvers 37 (see FIG. 5C) provided in the outlets 6R and 6L. Be blown out. Then, as indicated by an arrow 26, the conditioned air flows along the thigh so as to wrap around the lower body of the occupant P and joins above the thigh at the center of the occupant P. Thereafter, the combined conditioned air flows upward of the vehicle 1 along the center of the occupant P as indicated by an arrow 27. At this time, heat generated by the occupant P causes an updraft around the occupant P, and the conditioned air blown out along the occupant P easily flows upward of the vehicle 1.

  As shown in FIG. 4 (B), suction ports 25R and 25L are arranged on the upper end surface of the seat back 5B so as to sandwich the headrest 5C on the outside and inside in the vehicle width direction of the vehicle 1. Movable shutters 28R, 28L are provided in the suction ports 25R, 25L, respectively, and the shutters 28R, 28L slide in the vehicle width direction of the vehicle 1. The shutters 28R and 28L are formed with substantially rectangular openings 29R and 29L indicated by, for example, sand hatching. The shutters 28R and 28L may be slid manually or may be controlled by the control unit 11 (see FIG. 2) and slid by a motor.

  As shown in the drawing, at the inlet 25R, the shutter 28R is slid to the left (outside of the vehicle) in the vehicle width direction of the vehicle 1, and a part of the opening 29R of the shutter 28R is disposed at the inlet 25R. In this state, the opening area of the suction port 25R is reduced, and the amount of conditioned air sucked from the suction port 25R is reduced. On the other hand, in the suction port 25L, the entire opening 29L of the shutter 28L is located inside the suction port 25L. In this state, the opening area of the suction port 25L is the largest, and the amount of the conditioned air sucked from the suction port 25L is the largest.

  Here, the vicinity of the window 32 of the vehicle 1 is in an environment in which it is easy to become hot due to direct sunlight or the inflow of external heat in summer, and to become cold in winter when heat in the vehicle interior is released. This is an area where the temperature difference between the side and the side tends to be large. Therefore, as shown in FIG. 4A, most of the conditioned air that has joined and risen at the center of the occupant P flows so as to be sucked in from the inlet 25L as indicated by the arrow 30. As a result, a large amount of air-conditioning air flows to the left shoulder of the occupant P near the window 32 of the vehicle 1 and the vicinity thereof, and the left shoulder of the occupant P and the vicinity thereof are actively heated or cooled. By doing so, the comfort of the occupant P is improved.

  On the other hand, as shown by the arrow 31, a part of the conditioned air that has joined and risen at the center of the occupant P may be sucked through the inlet 25R. As described above, a part of the conditioned air also flows to the right side of the occupant P while deflecting the conditioned air toward the window of the vehicle 1 so that the conditioned air reaches the entire body of the occupant P, and the occupant P Comfort is enhanced.

  Further, as shown in FIG. 4 (C), for example, a louver 34 that is rotatable in the front-rear direction of the vehicle 1 is provided in both suction ducts 8R, 8L below the shutters 28R, 28L of the suction ports 25R, 25L. Have been. By inclining the louver 34 toward the front of the vehicle, the conditioned air rising along the front of the occupant P is easily sucked from the inlets 25R and 25L as indicated by the arrow 30. Then, as indicated by the arrow 30, the conditioned air flows around the neck, shoulders and upper arm of the occupant P, and the comfort of the occupant P is enhanced. The louver 34 may be moved manually or may be driven by a motor controlled by the control unit 11 (see FIG. 2).

  As described above, in the vehicle air conditioner 3, the conditioned air blown from the outlets 6R and 6L flows so as to wrap the occupant P, and then is sucked from the inlets 25R and 25L. The conditioned air sucked from the inlets 25R, 25L is blown out of the outlets 6R, 6L again after the temperature is adjusted in the air conditioning unit 7, for example. When the vehicle air conditioner 3 is provided for each seat of the vehicle 1, the air conditioning temperature can be adjusted and used for each seat. Further, by circulating most of the conditioned air that has been temperature-controlled in the air-conditioning unit 7, the amount of the conditioned air that has been temperature-controlled is reduced, and the conditioned air is repeatedly circulated. Is reduced, and energy saving operation of the vehicle 1 is realized.

  In addition, although the case where the air volume of the conditioned air sucked from the suction ports 25R and 25L is adjusted by the opening degrees of the suction ports 25R and 25L by the shutters 28R and 28L has been described, the present invention is not limited to this case. For example, instead of the shutters 28R and 28L, as shown in FIG. 2, the air volume of the conditioned air sucked from the inlets 25R and 25L by the air volume adjusting damper 23 of the suction duct 8 may be adjusted. Further, since the three louvers 34 are in a horizontal state, the two suction ducts 8R and 8L are closed, and instead of the shutters 28R and 28L, the air volume of the conditioned air sucked from the suction ports 25R and 25L by the louvers 34 is reduced. It may be adjusted. Further, the combination of any one of the shutters 28R, 28L, the air volume adjustment damper 23, and the louver 34 may adjust the air volume of the conditioned air sucked from the suction ports 25R, 25L.

  Further, as in a second embodiment described later, the amount of the conditioned air blown out from the outlets 6R and 6L may be different. At this time, by making the amount of air blown out from the outlet 6R larger than that of the outlet 6L, the conditioned air flows from the right side to the left side of the occupant P, and a flow wrapping around the entire body of the occupant P is realized.

  When the control unit 11 (see FIG. 2) determines that it is winter based on information detected from the solar radiation sensor 16 (see FIG. 2) or the like of the vehicle 1 after starting the vehicle 1, first, the suction is performed. The suction amount of the conditioned air from the opening 25R may be made larger than the suction amount of the conditioned air from the suction port 25L, and the warmed conditioned air may flow toward the center of the vehicle 1. Normally, when the vehicle 1 is started in the winter, the interior of the vehicle is generally cold. However, when direct sunlight enters, the window may be warmer than the center of the vehicle 1 in some cases. In such a case, immediately after the start of the vehicle 1, the center side of the occupant P of the vehicle 1 can be actively heated by the conditioned air. After a certain period of time has elapsed since the start of the engine, such as when the temperature inside the vehicle compartment becomes constant due to the conditioned air, as described above, the amount of the conditioned air sucked from the suction port 25L is reduced by the suction of the conditioned air from the suction port 25R. By increasing the amount, the comfort of the occupant P is realized.

  Next, a second example of the flow of the conditioned air blown from the vehicle air conditioner 3 of the present embodiment will be described with reference to FIGS. FIG. 5A is a front view illustrating the flow of conditioned air blown from the vehicle air conditioner 3 of the present embodiment, and FIG. 5B is a front view of the vehicle air conditioner 3 of the present embodiment. It is a top view explaining outlets 6R and 6L. FIG. 5C is a cross-sectional view of the outlet illustrated in FIG. 5B taken along line BB. In the description of the second embodiment, the above-described first embodiment will be appropriately referred to.

  As shown in FIG. 5 (A), the passenger seats 5 on which the occupant P sits are provided with air outlets 6R, 6L and suction ports 25R, 25L on both sides of the occupant P. The air flow rate of the conditioned air blown out from the outlets 6R and 6L can be adjusted. As shown in the drawing, the air outlet 6R can be closed and the conditioned air can be blown out only from the outlet 6L.

  Here, as shown in FIG. 5 (B), movable shutters 35R, 35L are provided at the outlets 6R, 6L, respectively, and the shutters 35R, 35L slide in the front-rear direction of the vehicle 1. Each of the shutters 35R and 35L has a substantially rectangular opening 36L indicated by, for example, sand-like hatching. The shutters 35R and 35L may be slid manually or may be slid by a motor controlled by the control unit 11 (see FIG. 2).

  As shown in the drawing, the opening of the outlet 6R is completely closed by the shutter 35R, so that the conditioned air is not blown from the outlet 6R. On the other hand, in the outlet 6L, all the openings 36L of the shutter 35L are located in the outlet 6L. In this state, the opening area of the outlet 6L is the largest, and the amount of the conditioned air blown out from the outlet 6L is the largest.

  Further, as shown in FIG. 5 (C), for example, a louver 37 that is rotatable in the vehicle width direction of the vehicle 1 is disposed in the blower ducts 9R and 9L below the shutters 35R and 35L of the outlets 6R and 6L. ing. By inclining the louver 37 in the width direction of the vehicle, the direction of the conditioned air blown out from the outlets 6R and 6L can be adjusted.

  The air outlet 6R is completely closed by the shutter 35R. In the air outlet 6L, the three louvers 37 face in the vertical direction of the vehicle 1, so that the conditioned air is blown out by the air outlet 6L as indicated by an arrow 38. From above the vehicle 1. On the other hand, the suction port 25R is completely closed by the shutter 28R (see FIG. 4B), and the suction port 25L has an opening 29L (see FIG. 4B) of the shutter 28L (see FIG. 4B). Are all located in the suction port 25L, and the amount of the conditioned air sucked from the suction port 25L is maximized.

  As a result, the conditioned air blown out from the outlet 6L upward of the vehicle 1 as shown by the arrow 38 rises on the left side of the occupant P, and as shown by the arrow 39, most of the air-conditioning air flows through the suction port. It is sucked in from 25L. That is, an air layer formed by the conditioned air is formed between the occupant P and the window 32. Even if external heat flows from the window 32 in summer, the external heat hardly reaches the occupant P. The left shoulder and its surroundings are prevented from becoming too hot. In addition, the occupant P's body is cooled by the air-conditioning air flowing through the cooling on the left shoulder and the surrounding area of the occupant P exposed to direct sunlight through the window 32, and the occupant P's comfort is improved. . Then, the difference in temperature between the window side and the center side in the vehicle is easily eliminated.

  Similarly, in winter, the air layer makes it difficult for the heat in the passenger compartment to be released from the window 32, thereby preventing the left shoulder of the occupant P and its surroundings from becoming too cold. In addition, the conditioned air by heating flows to the left shoulder of the occupant P and the vicinity thereof, thereby heating the body of the occupant P and improving the comfort of the occupant P. In particular, when the vehicle 1 travels, the heat inside the vehicle compartment is easily released outside the vehicle through the window 32 due to the flow of air generated around the vehicle 1. The difference in temperature is easily eliminated.

  In the second embodiment, the effect that the conditioned air blown out from the outlet 6L is sucked in from the inlet 25L and circulates in the vehicle air conditioner 3 can be obtained similarly to the first embodiment. Further, the case where the conditioned air is blown out only from the outlet 6L and the conditioned air is sucked only from the inlet 25L has been described, but the present invention is not limited to this case. For example, the opening degree of the outlet 6R and the inlet 25R may be adjusted by the shutters 28R and 35R, and a part of the conditioned air may flow so as to enclose the occupant P as in the first embodiment. As in the first embodiment, as a means for closing the air outlet 6R, one of the shutter 35R, a louver (not shown), or the air volume adjustment damper 22 (see FIG. 2), or a combination thereof is used. May be accepted.

  Next, a third example of the flow of the conditioned air blown from the vehicle air conditioner 3 of the present embodiment will be described with reference to FIG. FIG. 6 is a front view illustrating the flow of the conditioned air blown from the vehicle air conditioner 3 of the present embodiment. In the description of the third embodiment, the above-described first embodiment and the second embodiment will be appropriately referred to.

  As shown in FIG. 6, the passenger seats 5 on which the occupant P sits are provided with air outlets 6R and 6L on both sides of the occupant P. On the other hand, the suction ports 40 </ b> R and 40 </ b> L are arranged on the roof 41 of the vehicle 1 above the occupant P sitting on the passenger seat 5. For example, the suction port 40R is disposed on the roof 41 closer to the vehicle center than the center line 24 of the passenger seat 5, and the suction port 40L is closer to the window 32 of the vehicle 1 than the center line 24. It is arranged on a roof 41 near 42.

  The structure of the suction ports 40R and 40L is the same as that of the above-described suction ports 25R and 25L, and the structure of the vehicle air conditioner 3 is controlled through a suction duct (not shown) provided in the side wall 33 of the vehicle 1. It is connected to the air conditioning unit 7. Further, a shutter (not shown) and a louver (not shown) are provided at the suction ports 40R and 40L, and a flow rate adjusting damper (not shown) is provided at a branch point of the suction duct. good. The suction ports 40R and 40L are provided around pillars (not shown) of the vehicle 1 above and above the shoulders of the occupant P seated on the passenger seat 5, the roof side rails 42 and the headrest 5C. May be used.

  As shown in the figure, the conditioned air blown out from the outlets 6R and 6L flows so as to wrap around the thigh of the occupant P, as in the first embodiment described above with reference to FIG. They meet above the thigh and rise as shown by arrow 27. Then, as in the case shown in FIG. 4 (B), the opening area of the suction port 40R is reduced by the shutter, and the amount of conditioned air sucked from the suction port 40R is reduced. On the other hand, the opening area is the largest at the suction port 40L, and the amount of the conditioned air sucked from the suction port 40L is the largest.

  Then, most of the conditioned air that has merged and ascended at the center of the occupant P passes through the left shoulder of the occupant P and the periphery thereof, as indicated by arrows 43 and 44, and is sucked from the suction port 40L. As a result, a large amount of air-conditioning air flows to the left shoulder of the occupant P near the window 32 of the vehicle 1 and the vicinity thereof, and the left shoulder of the occupant P and the vicinity thereof, which are greatly affected by the window, are positively warmed. By cooling, the comfort of the occupant P is improved.

  On the other hand, as indicated by arrows 45 and 46, a part of the conditioned air that has joined and risen at the center of the occupant P may be sucked through the suction port 40R. As described above, the comfort of the occupant P is enhanced by flowing a part of the conditioned air to the right side of the occupant P while biasing and sucking the conditioned air toward the window of the vehicle 1.

  In the third embodiment, the circulation of the conditioned air and the adjustment of the air volume by the shutter and the like can be performed as in the first and second embodiments.

  Next, a fourth example of the flow of the conditioned air blown from the vehicle air conditioner 3 of the present embodiment will be described with reference to FIG. FIG. 7 is a front view illustrating the flow of the conditioned air blown from the vehicle air conditioner 3 of the present embodiment. In the description of the fourth embodiment, the above-described first to third embodiments will be appropriately referred to.

  As shown in FIG. 7, the passenger seats 5 on which the occupant P sits are provided with air outlets 6R and 6L on both sides of the occupant P. On the other hand, the suction port 40R is disposed on the roof 41 closer to the vehicle center than the center line 24 of the passenger seat 5, and the suction port 40L is closer to the window 32 of the vehicle 1 than the center line 24. It is arranged on a roof 41 near 42.

  As in the second embodiment described with reference to FIGS. 5A to 5C, the outlet 6R is completely closed by the shutter 35R, and three louvers 37 are connected to the vehicle 1 in the outlet 6L. 7, the conditioned air is blown from the outlet 6L to the upper side of the vehicle 1 and toward the side wall 33 of the vehicle 1 as indicated by an arrow 47 in FIG. On the other hand, the suction port 40R is completely closed by a shutter (not shown), the opening area of the suction port 40L is the largest, and the amount of the conditioned air sucked from the suction port 40L is the largest.

  As a result, as indicated by arrows 48 and 49, the conditioned air blown obliquely upward from vehicle 1 from outlet 6L flows upward along vehicle 1 along side wall 33 and window 32 of vehicle 1. Most of the air is sucked from the suction port 40L. That is, an air layer formed by the conditioned air is formed along the side wall 33 and the window 32 of the vehicle 1. The effect of the formation of the air layer is the same as that of the second embodiment, and a description thereof will be omitted.

  In the fourth embodiment as well, similarly to the first to third embodiments, the circulation of the conditioned air and the adjustment of the air volume by the shutter and the like can be performed.

  As described above, in the first to fourth embodiments for describing the flow of the conditioned air blown from the vehicle air conditioner 3, in the first to fourth embodiments, the outlets 6R and 6L are provided below the vehicle 1, and the inlet 25R is provided. , 25L, 40R, and 40L are arranged above the vehicle 1, and the conditioned air is blown from below the vehicle 1 and is sucked above the vehicle 1, but the present invention is not limited to this case. For example, the positions of the outlets 6R, 6L and the positions of the inlets 25R, 25L, 40R, 40L are switched, the outlets 6R, 6L are disposed above the vehicle 1, and the inlets 25R, 25L, 40R, 40L are mounted on the vehicle. 1, air-conditioning air may be blown out from above the vehicle 1 and may be sucked in below the vehicle 1. Also in this case, as described above, in addition to the countermeasure against the window by the conditioned air, the countermeasure against the temperature difference in the vehicle compartment can be performed, and the same effect can be obtained.

  In addition, the case has been described where the outlets 6R and 6L are provided in the seat cushion 5A, and the inlets 25R and 25L are provided in the upper end surface of the seat back 5B and the headrest 5C. However, the present invention is not limited to this case. . For example, in the case of a seat provided with an integrated seat belt, an opening for inserting a seat belt provided above the seat is used as a suction port, and a seat belt provided below the seat is fixed. May be used as an outlet in which a mechanism for arranging the openings is arranged. Further, the outlet 6R may be provided on the center console and the outlet 6L may be provided on the pillar.

  Further, the case has been described where the suction ports 25R and 25L are disposed so as to be substantially flush with the upper end surface of the seat back 5B, but the present invention is not limited to this case. For example, the front ends of the suction ducts 8R, 8L on both sides may protrude from the upper end surface of the seat back 5B, and the suction ports 25R, 25L provided at the front ends thereof may be arranged so as to face the front side of the passenger seat 5. . In this case, it is possible to obtain an effect that air-conditioning air flowing on the front side of the passenger seat 5 can be easily sucked. In addition, various changes can be made without departing from the gist of the present invention.

DESCRIPTION OF SYMBOLS 1 Vehicle 3 Vehicle air conditioner 5 Passenger's seat 6R, 6L Air outlet 7 Air conditioning unit 8 Suction duct 9 Blow duct 11 Control unit 16 Solar radiation sensor 19 Operation switch 20 Switching damper 22, 23 Air volume adjustment damper 24 Center line 25R, 25L Suction Mouth 28R, 28L Shutter 29R, 29L Opening 32 Window 33 Side wall 34 Louver 35R, 35L Shutter 36L Opening 37 Louver 40R, 40L Suction port 41 Roof

Claims (13)

It is arranged on the shoulder of the occupant sitting on the seat arranged on the vehicle or on the vehicle above the shoulder, and is arranged on the outside and inside in the vehicle width direction of the vehicle with respect to the center of the seat. Either the inlet or the outlet,
Any one of the suction port or the air outlet disposed in the vehicle below the shoulder,
Flow rate adjustment that can adjust the suction amount from the outside suction port and the suction amount from the inside suction port, or the blowout amount from the outside blowout port and the blowout amount from the inside blowout port. Means, and
Vehicle air-conditioning apparatus characterized by varying at least the suction amount by the outside and inside in the vehicle width direction of the vehicle by the flow rate adjusting means. The suction port is air-conditioning system according to claim 1, characterized in that disposed above the vehicle than the shoulder. The air conditioner for a vehicle according to claim 1 or 2, further comprising: a suction control unit configured to control the suction amount by the flow rate adjusting unit. 4. The method according to claim 1, wherein the flow rate adjusting unit makes the suction amount from the outer suction port larger than the suction amount from the inner suction port. 5. Vehicle air conditioner. Having a circulation air passage connecting the suction port and the air outlet,
The air conditioner for a vehicle according to any one of claims 1 to 4, wherein the air sucked in from the suction port is blown out from the outlet through the circulation air passage. The said suction port is arrange | positioned at the said shoulder part or the said vehicle above the shoulder part, and the said air outlet is arrange | positioned at the said vehicle below the said shoulder part, The claim from Claim 1 characterized by the above-mentioned. Item 6. The vehicle air conditioner according to any one of items 5. The vehicle air conditioner according to claim 6, wherein the suction port is provided at an upper end portion of a seat back or a headrest of the seat, and the air outlet is provided at a seat cushion of the seat. The air conditioner for a vehicle according to any one of claims 1 to 7, wherein the flow rate adjusting means includes a shutter that changes an opening area of the suction port. The flow rate adjusting means includes an opening / closing member that adjusts a flow path area of the circulation air passage at a branch point of the circulation air passage that is connected to each of the outer suction port and the inner suction port. Item 7. The vehicle air conditioner according to Item 5. In the vehicle below the shoulder portion, a plurality of the outlets are arranged outside and inside in the vehicle width direction of the vehicle,
The flow rate adjusting means is capable of adjusting the blowing amount, and the flow rate adjusting means makes the blowing amount different between the outside and the inside in the vehicle width direction of the vehicle. The vehicle air conditioner according to claim 1. The air conditioner for a vehicle according to claim 10, further comprising: a blowout wind direction adjusting unit configured to adjust a wind direction of the air blown from the blowout port. The vehicle air conditioner according to claim 11, further comprising: a blowout control unit that controls at least the blowout amount or the blowout wind direction adjustment unit by the flow rate adjustment unit. The vehicle air conditioner according to any one of claims 10 to 12, wherein the flow rate adjusting means has a shutter that changes an opening area of the outlet.

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