KR20100030102A - Air conditioner for vehicle - Google Patents

Abstract

PURPOSE: An air conditioner for a car is provided to independently heat/cool a front seat area and a back seat area, to accurately control a temperature according to current direction and current amount applied to a console duct, and to improve a cooling and heating function of the back seat area by installing a thermoelectric element module having an active reactivity. CONSTITUTION: An air conditioner(100) for a car comprises; a front seat air-conditioning unit(110); a console duct(130); a thermoelectric element module(133); a feed duct(134); and an exhaust duct(131). The front air-conditioning unit comprises a control unit(140), an evaporator(112), and a heater core(113). The console duct supplies the cooled or heated air to a back seat of the vehicles. The thermoelectric element module creates the heating cooling air and waste heat air by heat-exchanging the air which inflows into the console duct from the front air-conditioning unit. The feed duct supplies the heated or cooled air which is heat-exchanged in the thermoelectric element module to the back seat area of the vehicles. The exhaust duct discharges the waste heat air to the outside of the vehicles.

Description

Automotive air conditioning unit {AIR CONDITIONER FOR VEHICLE}

The present invention relates to a vehicle air conditioner, and more particularly, to a vehicle air conditioner having a front seat air conditioning unit and a rear seat air conditioning unit, wherein a thermoelectric element module is used as a heat exchanger of the rear seat air conditioning unit.

In general, the vehicle air conditioner is to create a comfortable environment by adjusting the temperature and humidity of the car interior, and includes a cooling device for cooling the car interior and a heating device for heating the car interior according to the purpose.

The cooling device generates cold air by absorbing latent heat of vaporization necessary for evaporation of the refrigerant from the air flowing around the evaporator while the refrigerant flows into the evaporator and supplies the cold air thus produced to the vehicle interior.

The heating device generally induces a high temperature coolant that cools the engine to the heater core, and produces warmth by heating air flowing around the heater core by the coolant induced in the heater core. It is a device that supplies into the car interior.

However, in the conventional vehicle air conditioner as described above, the air conditioning air is discharged to the desired area of the vehicle interior through the defrost vent, the face vent, etc. formed at the outlet end of the air conditioning case, the various vents of the front seat Since it is disposed in front, the cooling and heating efficiency of the rear seat is reduced.

Accordingly, in order to solve the above problems, a technique for supplying air heat exchanged by various methods to the rear seat area has recently been developed.

1 is a view showing a conventional vehicle air conditioner.

Referring to FIG. 1, the vehicle air conditioner 10 includes an air conditioner case 11 having an air flow path therein.

One side of the air conditioning case 11 is provided with a blower 12 for blowing air introduced from the air inlet to the air flow path, the door (not shown) is installed inside the air conditioning case 11 is provided with an air flow path By selectively opening and closing the air flow is regulated.

From the blower 12, the electrodeposition evaporator 21 and the heater core 22 are sequentially arranged on the air flow path of the air conditioning case 11.

In the air conditioning case 11, the front face vent 23, the side vent 24, the floor vent 25, and the defrost vent 26 are installed at positions corresponding to the upper side of the heater core 22. By constituting the front seat air conditioning unit 20, air that is air-conditioned to the front seat area is discharged.

The rear seat evaporator 31 is disposed on the air flow path of the air conditioning case 11 downstream of the heater core 22, and the rear seat is located at a position corresponding to the rear of the rear seat evaporator 31 in the air conditioning case 11. A vent 32 is provided, and a rear seat vent 33 is installed between the heater core 22 and the rear seat evaporator 31 to form a rear seat air conditioning unit 30, thereby providing air-conditioned air to the rear seat area. To discharge.

However, the vehicle air conditioner 10 having the above structure has a problem in that air conditioning air is insufficient in the rear seat area compared to the front seat area, and the rear seat air conditioner unit 30 may also be driven only when the front seat air conditioner unit 20 is driven. There is a problem.

In addition, by installing the rear seat air conditioning unit 30, the rear seat evaporator 31 and the rear seat heater core (not shown) have an uneconomical problem.

The present invention is to solve the above problems, it is possible to supply sufficient cooling and heating air to the rear seat area, and in the driving of the rear air conditioning unit is improved that can be independently driven without being dependent on the driving of the front air conditioning unit An object of the present invention is to provide a vehicle air conditioner.

The vehicle air conditioner according to the present invention includes a control unit, an all-air air conditioning unit equipped with an evaporator and a heater core, and one side of which communicates with the all-air air conditioning unit to supply air cooled and heated to the rear seat of the vehicle. The other side of the duct includes: a thermoelectric element module that generates air-conditioning air and waste heat air by heat-exchanging with air introduced into the console duct from the front seat air conditioning unit by application of power from the control unit; A supply duct for supplying air-conditioning air exchanged from the thermoelectric module to a rear seat area of a vehicle interior; And it may include a discharge duct for discharging the waste heat air to the outside of the vehicle.

A rotatable first rear door and a second rear door are installed in one console duct of the thermoelectric element module, and the first rear door opens and closes an air moving path from the all air conditioning unit to the thermoelectric element module. 2 rear seat door can open and close the communication hole formed in the other side of the console duct to communicate with the interior of the vehicle.

The supply duct is provided with a rear seat body duct for supplying the cooling and heating air to the upper portion of the rear seat area and a pair of rear seat floor ducts for supplying the cooling and heating air to both sides of the lower seat area of the rear seat area. can do.

According to the vehicle air conditioner according to the present invention, the front seat area and the rear seat area can be independently cooled and heated, precise temperature control is possible by the direction and the amount of current applied to the console duct, thermoelectric element module having a fast response The heat loss and the like can be prevented by providing a heat sink, thereby improving the cooling and heating function of the rear seat area.

In addition, by reducing the number of components has the advantage of simplifying the structure of the vehicle air conditioner, and can reduce the cost.

Hereinafter, a vehicle air conditioner according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a schematic diagram schematically showing a vehicle air conditioner installed in a vehicle according to an embodiment of the present invention, FIG. 3 is a cross-sectional view schematically showing the vehicle air conditioner of FIG. 2, and FIG. 4 is a vehicle air conditioner of FIG. 3. A cross-sectional view schematically showing still another aspect of the device.

Referring to FIG. 2, the vehicle air conditioner 100 of the present invention is installed at the front of the vehicle 200, and the front seat air conditioner unit 110 and the front seats discharge air that is air-conditioned to the front seat area of the vehicle 200. One side may be communicatively connected to the air conditioning unit 110 to include a console duct 130 for discharging the air-conditioned air to the rear seat area of the vehicle 200 through the other side.

The console duct 130 may be provided with a discharge duct 131 extending to the rear of the vehicle through the lower portion of the vehicle.

The vehicle air conditioner 100 may not only discharge air-conditioned air in the front and rear seats of the vehicle interior, but also discharge air-conditioned air by dividing it into left and right areas of the front and rear seats, respectively, and independently controlling the air discharge. A multi zone control type can be used.

Hereinafter, the present invention will be described by using a multi-zone control type air conditioner as an example.

3 and 4, the front seat air conditioning unit 110 is an air conditioning unit used in a vehicle air conditioner as a general or conventional technology, and includes a seat seat case 111 and an evaporator 112 embedded in the seat seat case 111. ) And a heater core 113, and a face vent 114, a defrost vent 115, a floor vent 116, and the like, which discharge air cooled and heated to a vehicle interior, are formed.

The main air conditioning unit 110 is provided with a main passage 117 and a branch passage 9918 branched from the main passage 117, and the main passage 117 is blown by a blowing unit (not shown). Air flows in, and air passing through the evaporator 112 flows into the branch passage 118.

The branch passage 118 is divided into first, second, and third branch passages 118a, 118b, and 118c, and the first branch passage 118a includes the face vent 114, the defrost vent 115, and the floor. Directly connected to the vent 116 or the like, the cooled air may be discharged to the front seat area of the vehicle 200 while passing through the evaporator 112.

A heater core 113 is disposed on the second branch passage 118b, and the air introduced into the second branch passage 118b is heated by the heater core 113 to provide the face vent 114 and the defrost vent. The air heated through the 115 and the floor vent 116 may be discharged to the front seat area of the vehicle 200.

The third branch passage 118c may be directly connected to the console duct 130 to supply the air blown to the rear seat air conditioning unit 120.

The inflow of air into the branch passage 118 may be controlled by opening and closing the front door 119 installed on the main passage 117.

The front seat air conditioning unit 110 is general or the same as or similar to the prior art, so a detailed description thereof will be omitted.

The other side of the console duct 130, that is, the rear seat side of the vehicle 200, the thermoelectric element module 133 for generating air conditioning air and waste heat, and the supply duct 134 for supplying air cooled air to the rear seat area of the vehicle 200 ), And a discharge duct 131 for discharging the waste heat and first and second rear doors 136 and 137 for opening and closing an inflow path of air.

The thermoelectric element module 133 exchanges heat with air introduced into the console duct 130, and may perform an endothermic or exothermic reaction by power applied from the control unit 140.

That is, the thermoelectric element module 133 has a structure in which the heat dissipation fins 133b and 133c are coupled to both sides of the thermoelectric element 133a, and an endothermic reaction occurs on one side and an exothermic reaction on the other side according to the direction in which the current is applied. Happens.

Thus, for example, in order to supply warmth to the rear seat region, the heating application direction is adjusted to generate a warmth reaction to the heat dissipation fins 133b toward the supply duct 134, and the heat dissipation fins 133c are opposite. The cold air generated in the air may be discharged to the outside of the vehicle 200 as waste heat.

The waste heat discharge may be made through the discharge duct 131.

In the exemplary embodiment of the present invention, the thermoelectric element module 133 is horizontally installed in the console duct 130 so that the heat dissipation fins 133b on the thermoelectric element 133a may be cooled to the inside of the vehicle 200. Air may be generated, and the heat dissipation fins 133c coupled to the lower portion of the thermoelectric element 133a may have a structure in which waste heat is generated.

In the above structure, the console duct 130 may be divided into a first passage and a second passage which are not communicated with each other by the thermoelectric element module 133. It may extend into the duct 134, and the second passage may extend into the discharge duct 131.

On the other hand, in order to increase the amount of air-conditioning air generated, the heat exchange area of the heat radiation fins 123b for generating the air-conditioning air may be larger than the heat exchange area of the heat radiation fins 133c for generating the waste heat.

And when the interior of the vehicle air conditioner 100 is partitioned by the partition wall 150 to independently control the discharge of air to the left and right, the thermoelectric element module 133 is installed on each of the left and right sides to operate independently Can be.

Of course, a plurality of thermoelectric module 133 may be installed in the console duct 130 in order to improve cooling and heating efficiency.

The supply duct 134 may further include a rear body duct 134a for supplying cooling and heating air to the upper left and right sides of the rear seat area, and a rear seat duct 134b for supplying cooling and heating air to the lower left and right sides of the rear seat area. Can be.

In the case of the rear seat floor duct 134b, a pair may be branched to both sides of the rear seat body duct 134a.

The rear seat body duct 134a and the rear seat duct 134b may be opened and closed by a supply door 138 rotatably installed at a discharge port to control the discharge of air.

The first and second rear doors 136 and 137 may selectively determine the air flowing into the console duct 130.

That is, the first rear seat door 136 may open and close between one side and the other side of the console duct 130 to adjust the air flowing from the front seat air conditioning unit 110, the second rear door ( 137 may open and close the communication hole 135 formed in the console duct 130 so as to communicate with the interior of the vehicle 200, thereby controlling the inflow of air in the interior of the vehicle 200 into the console duct 130.

Here, when the air in the vehicle 200 is introduced, the temperature of the air discharged from the air conditioning apparatus 100 is lower than the temperature of the vehicle 200 interior, such as initial heating, during winter heating. This is to increase the temperature of the air quickly in the air conditioning apparatus 100 by receiving high indoor air.

The vehicle air conditioner 100 having the above structure can independently control the supply of cooling and heating air to the front seat area and the rear seat area, and precise temperature control by the direction and amount of application of current to the console duct 130. By providing the thermoelectric element module 133 which is possible and fast responsive, the cooling and heating function of the rear seat region can be improved.

That is, in the case of a problem in which heat loss occurs by sending the cooling and heating air generated by the conventional seat air conditioning unit 110 to the rear seat area, the above problem is solved by generating the cooling and heating air by heat exchange in the console duct 130. Can be.

Meanwhile, in the case of the waste heat air generated by using the thermoelectric element module 133, the waste heat air may be sent to the rear of the vehicle 200 through the discharge duct 131 to be discharged to the outside so that unnecessary air remains in the air conditioning apparatus 100. Can be prevented.

In addition, when the air of the air conditioning apparatus 100 is relatively lower than the room temperature, such as initial heating on a cold winter day, air conditioning may be performed using warm indoor air, thereby heating the interior of the vehicle at high speed.

1 is a view showing a conventional vehicle air conditioner.

Figure 2 is a schematic diagram showing a state in which a vehicle air conditioning apparatus according to an embodiment of the present invention is installed in a vehicle.

3 is a schematic cross-sectional view of the vehicle air conditioner of FIG.

4 is a cross-sectional view schematically showing another aspect of the vehicle air conditioner of FIG.

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

100 ... HVAC unit 110 ... HVAC unit

130 ... Console duct 131 ... Exhaust duct

133 ... thermoelectric module 134 ... supply duct

Claims (3)

The control unit 140, the front seat air conditioning unit 110 and the one side is provided with the evaporator 112 and the heater core 113 is in communication with the front seat air conditioning unit console for supplying air cooled air to the rear seat of the vehicle 200 In the vehicle air conditioner 100 including a duct 130, On the other side of the console duct 130: A thermoelectric element module 133 which generates cooling / heating air and waste heat air by heat-exchanging with air introduced into the console duct 130 from the front seat air conditioning unit 110 by application of power from the control unit 140; A supply duct 134 for supplying cooling and heating air heat exchanged by the thermoelectric element module 133 to a rear seat area of the vehicle 200; And And an exhaust duct (131) for discharging the waste heat air to the outside of the vehicle (200). The method according to claim 1, One side of the console duct 130 of the thermoelectric module 133 is provided with a rotatable first rear door 136 and the second rear door 137, The first rear seat door 136 opens and closes an air movement path from the front seat air conditioning unit 110 to the thermoelectric module 133. The second rear door 137 opens and closes the communication hole 135 formed in the other side of the console duct 133 so as to communicate with the interior of the vehicle 200. The method according to claim 1, The supply duct 134 is: A rear seat body duct (134a) for supplying the cooling and heating air to an upper portion of the rear seat area; And And a pair of rear floor ducts (134b) which branch to both sides of the rear body duct (134a) and supply the cooling and heating air to both lower sides of the rear seat area.

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