KR20010059272A - Air conditioner for car seat - Google Patents

Abstract

PURPOSE: A seat air conditioner of a vehicle is provided to enhance cooling/heating efficiency of rear seats by discharging additional cold or hot air to the rear seats through a seat duct(4) selectively as well as to keep temperature of front seats regular in summer or winter by discharging cold or hot air to the front seats. CONSTITUTION: A seat vent(17) is mounted at a discharge part of an air conditioner case(1) to be opened/shut by a door(171). The seat vent is connected with a seat duct(4) extended to rear seats(31) along a vehicle floor(3). Thereby, cold or hot air is discharged to the rear seats through the seat duct from a mixing chamber(14). The center of the seat duct is connected with a connecting pipe(41) of front seats(32). The connecting pipe is connected with vent pipes in each front seat. The vent pipes are preferably arranged in lattice form with plural outlets opened toward the front side of the front seats. Therefore, cold or hot air is supplied to the vent pipes through the seat duct and the connecting pipe, then discharged forward the front seats. An open/shut door(43) is mounted at the discharge part of the seat duct to control the cold or hot air to flow toward the front/rear seats or toward the front seats selectively.

Description

Car seat air conditioning unit {AIR CONDITIONER FOR CAR SEAT}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile seat air conditioner, and more particularly, to an automobile seat air conditioner that can perform heating and cooling of a rear seat, and can effectively lower the temperature of an automobile seat heated in summer.

In general, a car air conditioner is a refrigerant compressed by a compressor driven by the engine's power flows into the condenser, heat exchanged by forced air of the cooling fan, and then through the receiver dryer, expansion valve and evaporator in turn to the compressor. A device for cooling the interior of the vehicle by inflowing air blown by the blower into the interior in a cold state in a state where the air blown by the blower passes through the evaporator; In the process of returning the engine cooling water to the engine through the heater core, the air blown by the blower heats up with the cooling water passing through the heater core and enters the room in a warm state, thereby heating the interior of the vehicle.

In addition, a defrost vent for dehumidifying the windshield glass, an air conditioning vent for cooling and heating the front seat, and a floor vent for cooling and heating the rear seat are installed at an outlet end of the air conditioning case in which the evaporator and the heater core are built. Floor vents are connected with floor ducts extending along the car floor to the rear seats.

However, in the air conditioner as described above, there is a problem that the cooling and heating efficiency is lowered due to the temperature loss during the flow of cold air or warm air along the floor duct to the rear seat, especially the hot front seat of the car which is being stopped during the summer. The driver's or passenger's discomfort can be reduced because the temperature can't be lowered quickly.

The present invention has been made in order to solve the above-mentioned conventional problems, so that the cold or warm air can be ventilated in the seat of the front seat can be quickly lowered the temperature of the front seat of the car heated during the summer, parking, as well as winter It is an object of the present invention to provide a car seat air conditioner that can increase the temperature of the front seat that is cold during parking and stopping.

Another object of the present invention is to provide an automobile seat air conditioner capable of effectively cooling and heating a rear seat of an automobile.

1 is a block diagram showing a vehicle air conditioner to which the automobile seat air conditioner according to the present invention is applied.

2 is a cross-sectional view showing a vehicle seat air conditioner according to the present invention.

<Explanation of symbols for the main parts of the drawings>

1: air conditioning case, 3: car floor,

4: seat duct, 17: seat vent,

31: rear seat, 32: front seat,

41: connector, 42: ventilation tube,

43: opening and closing door, 171: door

In order to achieve the above object, the vehicle rear seat air conditioner according to the present invention is connected to the seat vent is installed to open and close by the door at the outlet end of the air conditioning case and seat duct extending along the car floor along the car floor; ; An opening / closing door installed adjacent to an outlet end of the seat duct to open and close an outlet end; Both connecting pipes connecting the middle part of the seat duct and the front seats; And, it is built in each of the front seats are connected to both of the connecting pipes in turn characterized in that it comprises both ventilation pipes for supplying cold or warm air to the front seats.

According to the automobile seat air conditioner according to the present invention configured as described above, the coolant flowing through the evaporator or the coolant flowing through the heater core and the air blown by the blower is heat exchanged to discharge the cold or warm air to the mixing chamber and the cold air Alternatively, the warm air may be discharged to the rear seat through the seat duct connected to the seat vent and supplied to the ventilation pipe through the seat duct and the connecting pipe so that cold or warm air may be discharged toward the front of the front seat.

Other features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings.

1 is an overall configuration diagram of an automobile air conditioner connected to a seat air conditioner and a main air conditioner according to the present invention, and a blower 21 is installed at an outlet end of the air conditioner case 1 of the main air conditioner. The evaporator 22 and the heater core 23 are provided in order inside the air conditioning case 1, respectively. The evaporator 22 is provided adjacent to the blower 21 and the heater core 23 is provided adjacent to the outlet end of the air conditioning case 1.

As shown in the figure, a defrost vent 11 for dehumidifying the windshield glass of the vehicle is installed above the outlet end of the air conditioning case 1, and the air conditioner for cooling and heating the vehicle at the upper end of the outlet end of the air conditioning case 1. An air conditioning vent 12 is provided, and a floor vent 13 for cooling and heating the rear seat of the vehicle is installed below the outlet end of the air conditioning case 1. Therefore, the inside of the outlet end of the air conditioning case 1 (ie, the space between the heater core 23 and the vents 11, 12, 13) serves as the mixing chamber 14. In addition, the vents 11, 12, and 13 are provided with doors 111, 121, and 131 which open and close the vents 11, 12, and 13 in order. In addition, the front of the heater core 23 is provided with a switching door 231 for controlling the air flow toward the heater core 23, so that the switching door 231 in front of the heater core 23 as shown by the solid line When located, air flows to the mixing chamber 14 through the internal flow path of the air conditioning case 1 without passing through the heater core 23, and the switching door 231 is shown by the dotted line. When the inner flow path of the air conditioner 1 is not blocked at the front, air flows to the mixing chamber 14 via the heater core 23.

And, the floor vent 13 is connected to the floor duct 15 for blowing cold or warm air to the rear seat is extended to the rear seat 31 along the car floor (3).

According to the present invention, the seat vent 17 which is opened and closed by the door 171 is further installed at the outlet end of the air conditioning case (1). The seat vent 17 is connected to a seat duct 4 extending to the rear seat 31 along the vehicle floor 3 so that cool air or warm air flowing into the mixing chamber 14 is connected to the seat duct 4. It is discharged to the rear seat through.

Further, according to the present invention, as shown in Figs. 1 and 2, the center portion of the seat duct 4 is connected to the connecting pipe 41 which is connected to the front seats 32, 32 of the vehicle, the connection The pipe 41 is connected to the ventilation pipes 42 and 42 which are sequentially installed in the front seats 32 and 32. The ventilation pipes 42 and 42 are preferably arranged in a lattice shape, and preferably have a plurality of outlets that open to the front of the front seats 32 and 32. Therefore, the cool air or warm air flowing into the mixing chamber 14 may be supplied to the ventilation pipes 42 and 42 through the seat duct 4 and the connection pipe 41 and discharged to the front of the front seats 32 and 32. have.

According to the present invention, in order to control the cold or warm air flowing through the seat duct 4 to be distributed toward the front seats 32 and 32 and the rear seat 31 or to flow only toward the front seats 32 and 32. Opening and closing door 43 for opening and closing the rear of the connecting pipe 41, that is adjacent to the outlet end of the seat duct 4 may be further installed.

Next, the operation of the automobile seat air conditioner according to the present invention configured as described above and the automobile air conditioner to which the automobile seat air conditioner is applied will be described.

In the heating mode, the driving of the compressor (not shown) is stopped and the switching door 231 of the air conditioning case 1 is not positioned in front of the heater core 23 so that the internal flow path of the air conditioning case 1 is closed. Prevent. Thus, the air blown through the blower 21 flows through the evaporator 22 and the heater core 23 to the mixing chamber 14 and in this process is heat exchanged with the cooling water flowing from the engine to the heater core 27, thereby mixing the mixing chamber. The air discharged to 14 changes to warmth. The warm air is discharged toward the front seats 32 and 32 through the air-conditioning vent 12 of the air conditioner, and the front seats 32 and 32 are heated, while the rear seat 31 is discharged to the rear seat 31 through the floor vent 13. 31 is heated. In addition, when the seat vent 17 is opened and the opening / closing door 43 is opened, the warm air is discharged to the rear seat 31 through the seat duct 4 so that the rear seat 31 is heated more effectively, and the seat The warm air is supplied to the ventilation pipes 42 and 42 built into the front seats 32 and 32 through the duct 4 and the connection pipe 41, and the warm air is discharged to the entire front seats 32 and 32. When the opening and closing door 43 is closed, the warmth is supplied only to the front seats 32 and 32 to achieve a rapid temperature rise of the front seats. Therefore, the front seats 32 and 32 that are cold during the parking and stopping in winter are quickly warmed, and the warmth is discharged to the back and hips of the driver and passengers of the front seats 32 and 32, so that comfortable driving can be achieved. When the passenger does not board the rear seat 31, the exit of the floor vent 13 and the seat duct 4 is preferably closed by the doors 131 and 43.

Meanwhile, in the cooling mode, the switching door 231 is positioned toward the heater core 23 so that air does not pass through the heater core 23. Therefore, the refrigerant flowing in the evaporator 22 and the air blown by the blower 21 are heat-exchanged, and cold air is discharged to the mixing chamber 14. The cold air is blown into the front seats 32 and 32 through the air conditioning vent 12, and the front seats 32 and 32 are cooled, while the rear seat 31 is blown through the floor vent 13 to the rear seat 31. Cooled. In addition, when the seat vent 17 is opened and the opening / closing door 43 is opened, the cool air is discharged to the rear seat 31 through the seat duct 4 so that the rear seat 31 is more efficiently cooled and the seat Cold air is supplied to the ventilation pipes 42 and 42 built into the front seats 32 and 32 through the duct 4 and the connection pipe 41, and the cold air is discharged to the entire front seats 32 and 32. Therefore, the temperature of the front seats 32 and 32, which are hot during the parking and stopping of the summer, drops rapidly and the cold air is discharged to the back and hips of the driver and passengers of the front seats 32 and 32, thereby sweating the hips and back. We can plan comfortable operation because we do not occupy.

In the vehicle seat air conditioner according to the present invention configured as described above it is possible to increase the cooling and heating efficiency of the rear seat 31 by selectively discharging the cold or warm air to the rear seat 31 through the seat duct (4). In addition, by allowing cold or warm air to be discharged to the front of the front seats 32 and 32, the temperature of the front seats 32 and 32 heated in the summer can be rapidly lowered and the front seats 32 and 32 that are cold in the winter season. The temperature of the can be quickly increased, so that the driving can be carried out comfortably.

Claims (2)

A seat duct 4 connected to the seat vent 17 installed to be opened and closed by the door 171 at the outlet end of the air conditioning case 1 and extending to the rear seat 31 along the vehicle floor 3; An opening / closing door 43 installed adjacent to an outlet end of the seat duct to open and close it; Both connecting pipes (41, 41) connecting the middle part of the seat duct and the front seat (32, 32); And, Vehicle seat air conditioning apparatus, characterized in that it comprises a built-in each of the front seats and both ventilation pipes (42, 42) for supplying cold or warm air to the front seats by being connected in turn with the both connecting pipes. The method of claim 1, Automobile seat air conditioning apparatus further comprises a floor duct (15) which communicates to the rear seat of the vehicle through the floor vent (13) below the outlet end of the air conditioning case (1).