KR20050104114A - Left and right independent type air conditioning apparatus for a car - Google Patents

Abstract

The present invention relates to a left and right independent air conditioner for an automobile, and by placing an evaporator installed inside the left and right independent air conditioner case for individually controlling the driver's seat and the passenger seat to the blower unit case side, the height of the air conditioner is minimized even in a limited space of the vehicle. The objective is to enable optimal installation without being constrained by the installation space.

To this end, the present invention is installed vertically in the inner center air conditioning including a separation plate 40 for dividing the air flow path leading from the air inlet 11 to the air outlet 20 to the first air passage and the second air passage A case 10; In the left and right independent air conditioner for a vehicle including a blower unit case having a blower fan 31 therein to blow the inside air, the outside air to blow into the air conditioning case through the air inlet, the blower An evaporator 12 is provided in the unit case for cooling the air introduced by the blower fan, and a heater core 13 for heating the air cooled by the evaporator is provided in the air conditioning case. It is characterized by being installed.

Description

Left and Right Independent Type Air Conditioning Apparatus for a Car}

The present invention relates to a left and right independent air conditioner for an automobile, and more particularly, by arranging an evaporator installed inside the left and right independent air conditioner case for individually operating the driver's seat and the passenger seat to the blower unit case side. The present invention relates to a left and right independent air conditioner for a vehicle that minimizes the height of a device so that it can be optimally installed even in a limited space of a vehicle without being restricted by an installation space.

In general, a vehicle air conditioner compresses a refrigerant by a compressor driven by a power of an engine and sends the refrigerant to a condenser, condenses the refrigerant by forced air of a cooling fan in the condenser, and then transfers the refrigerant to a receiver dryer, In the process of returning back to the compressor by passing through the expansion valve and the evaporator, the air blown by the blower unit installed at the inlet end of the air conditioning case and the refrigerant passing through the evaporator are heat exchanged, A cooling device for cooling the interior of the automobile by discharging air into the interior of the automobile; In the process of returning the cooling water of the engine to the engine through the heater core, heat is exchanged between the air blown by the blower fan of the blower unit and the cooling water passing through the heater core to discharge the blown air that has become warm to the interior of the vehicle. It includes a heating device for heating the interior of the vehicle.

Such an air conditioner has a three-piece type air conditioner, an evaporator unit and a heater core unit in which a blower unit, an evaporator unit, and a heater core unit are independently formed. Center Mounting Type) The air conditioning apparatus and the three units may be classified into a center mounting type air conditioning apparatus which is integrally formed in one case.

Fig. 1 shows a sectional view of a general semi center mounting type air conditioner as an example.

As shown in FIG. 1, the semi-center mounting type air conditioner includes an evaporator 101 and a heater core 102 installed at an upstream side and a downstream side of an air passage inside the air conditioning case 100, and the evaporator 101. And a temporal door (Temp Door) 103 installed between the heater core 102 and the air outlet according to the opening and closing selection of the temporal door 103 to adjust the temperature of the air discharged into the cabin according to the opening and closing angle. In order to discharge cold / hot air to each part of the vehicle interior, the defrost vent 104, the face vent 105, and the floor vent formed at the outlet end of the air conditioning case 100, respectively. 106 and a defrost door 107, a face door 108, and a floor door 109 for selectively controlling the amount of cold / warm discharged through the vents 104, 105, and 106. It is.

On the other hand, a blower unit case 110 is installed at the inlet end of the air conditioning case 100, and a blower fan 112 driven by the motor 111 is installed in the blower unit case 110. In addition, an upper portion of the blower unit case 110 is provided with an internal air inlet 113 and an external air inlet 114 for introducing indoor and outdoor air, respectively, and the inlets 113 and 114 are provided between the inside and the outside. Opening and closing control according to the rotation of the switching machine 115.

With this structure, when the blower fan 112 is rotated by the driving of the motor 111, the air inlet 113 or the outside air inlet 114 in which air is selectively opened by the rotation of the internal and external air conversion doors 115. It is introduced through the), and is cooled or heated in the process of selectively passing through the evaporator 101 or the heater core 102 by the temper door 103 while blowing into the air flow path in the air conditioning case 100. The air cooled or heated in this way is equal to the left and right regions of the vehicle interior (ie, the driver's seat and the passenger seat) through the vents 104, 105, and 106 through the opening and closing operations of the doors 107, 108, and 109. By supplying the temperature, common air conditioning is achieved.

On the other hand, in some high-end passenger cars, unlike the general air conditioner described above, so as to provide the air conditioning at different temperatures to the driver's seat and the passenger seat in the interior of the vehicle according to the needs of the passenger, so-called 'left and right independent air conditioner 'Is being applied.

The left and right independent air conditioning apparatus is, for example, of the air conditioning case 200 consisting of a pair of first and second cases 200a and 200b divided symmetrically from side to side, as schematically illustrated in FIGS. 2 and 3. Dividing the internal space from side to side to form two air flow paths, the separation plate 300 installed at the center of each air flow path, and the temperature separately mounted on the left and right sides of the separation plate 300 separately and rotated independently. The temper doors 204a and 204b for adjustment and the mode doors 205a and 205b for air blowing mode adjustment are provided. Of course, a control switch (not shown) for controlling the doors 204a, 204b, 205a, and 205b includes a switch unit for controlling the doors 204a and 205a on the left side and the doors 204b on the right side, It is comprised so that the switch part which controls 205b) may be provided separately.

In the conventional left and right independent air conditioning apparatus, air introduced through the air inlet 201 of the air conditioning case 200 by a blower unit (not shown) is divided into the respective air passages separated by the separator plate 300. As it flows, it selectively passes through the evaporator 202 and the heater core 203 and heat exchanges according to the opening degrees of the doors 204a and 205a on the left and the doors 204b and 205b on the right. The heat-exchanged air is discharged into the air at different temperatures through the left vents 206, 208, and 210 and the right vents 207, 209, and 211 connected to the respective parts of the vehicle interior. Independent heating and cooling is possible.

However, in the conventional left and right independent air conditioner for a vehicle, the evaporator 202 and the heater core 203 are installed in one air conditioning case 200, as shown in FIG. Since it adopts a semi-center mounting method to position the upright on the upstream side of the heater core 203, the height of the air conditioning case 200 is bound to be high, thereby installing in a limited narrow space of the vehicle In this case, not only the installation space in the longitudinal direction is restricted, but there is a problem that it is difficult to arrange a duct connecting the respective vents and the respective parts of the vehicle interior in the narrow space.

Therefore, the present invention has been made to solve the above problems, by minimizing the case height of the left and right independent air-conditioning device to perform individual air conditioning to the driver's seat and the passenger seat, even in a limited narrow space of the car without being constrained in the installation space optimal The purpose is to provide an independent left and right air conditioner for a vehicle that can be installed as a vehicle.

In order to achieve the above object, the present invention, the air inlet is provided at the inlet end, the air outlet of the first group consisting of the left air conditioning defrost vent, face vent, floor vents of the vehicle interior and the interior of the vehicle An air conditioning case in which air outlets of a second group consisting of a right air-conditioning depressor vent, a face vent, and a floor vent are formed;

A blower unit case connected to the air inlet, the blower unit having an blowing fan therein so as to blow inside or outside air and blow air into the air passage inside the air conditioning case through the air inlet;

A separating plate dividing the air passage into a first air passage extending from the air inlet to the vent of the first group and a second air passage extending from the air inlet to the air outlet of the second group;

In the left and right independent air conditioner for a vehicle including a plurality of doors for controlling the flow of the internal air or the external air flowing in the first air passage and the second air passage,

The blower unit case is provided with an evaporator for cooling the inside or outside air introduced by the blower fan, and inside the air conditioning case, a heater core for heating the inside or outside air cooled by the evaporator is provided. It is characterized by being installed.

In addition, the present invention is characterized in that in the left and right independent air conditioning apparatus for a vehicle, the air conditioning case is made of a semi-center mounting type.

In addition, the present invention is characterized in that the evaporator is installed obliquely with respect to the flow direction of the inside or outside air introduced into the blower unit case.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Figure 4 is a cross-sectional view of the left and right independent air conditioning apparatus for automobiles according to the present invention, Figure 5 is a cross-sectional view of the air conditioning case of the left and right independent air conditioning apparatus according to the present invention.

As shown in FIG. 4, the left and right independent air conditioners for automobiles according to the present invention are largely composed of two parts, an air conditioning case 10 and a blower unit case 30.

The air-conditioning case 10 is provided with an air inlet 11 (see FIG. 5) through which air is introduced at its inlet end, and an air outlet 20 through which air is discharged to each part of the vehicle interior. Separator plate 40 is installed vertically in the center of the air-conditioning case 10 so as to divide the air passage leading from the air inlet 11 to the air outlet 20 into two first and second air passages. ) Is a semi-center mounting type structure.

In addition, the left and right sides of the separation plate 40, the temperature control temporal doors (D1, D2) rotated independently, and the defrost doors (D3, D4), face doors (D5, D6) and floor doors D7 and D8 are provided separately.

The air outlet 20 is a first group of air outlets so as to independently supply the cold / warm air respectively to the left and right of the vehicle interior along the first and second air flow path partitioned by the separation plate 40 21 and the air discharge port 22 of the 2nd group. The first air outlet 21 of the first group, the air to the upper half of the driver's seat inside the vehicle interior, the first defrost vent (21a) for discharging air to the left side of the windshield window of the vehicle interior, for air conditioning on the left side of the vehicle interior It is comprised by the 1st face vent 21b which discharges, and the 1st floor vent 21c which discharges air to the driver's seat floor of a vehicle interior. Similarly, the second air outlet 22 of the second group has a second defrost vent 22a for discharging air to the right side of the windshield of the vehicle interior for the right air conditioning of the vehicle interior, and toward the upper half of the passenger seat of the vehicle interior. A second face vent 22b for discharging air and a second floor vent 22c for discharging air toward the passenger seat floor in the vehicle interior.

At the inlet of the left air conditioning vents 21a, 21b, 21c and the right air conditioning vents 22a, 22b, 22c, the respective vents 21a, Defrost doors D3 and D4, face doors D5 and D6, and floor doors D7 and D8 for selectively controlling the amount of cold air discharged through 21b, 21c; 22a, 22b, and 22c are installed. It is.

On the other hand, the blower unit case 30, the air inlet (not shown) and the air inlet (not shown) and the air inlet and the outside air inlet for selectively introducing the inside or outside air by the blowing fan 31 installed therein, The internal and external air switching door to selectively open and close the, and the ventilation duct 32 is connected to the front end of the air inlet 11 of the air conditioning case (10).

The blower fan 31 may include first and second internal air conditioners 10 through the air inlet 11 connected to the air blower duct 32 in the inside or outside air introduced through the inside air inlet or the outside air inlet. It acts to blow air paths.

In the air conditioner having such a structure, the present invention, in order to minimize the height of the air conditioning case of the semi-center mounting type, through the air inlet 11 by the blowing fan 31 inside the air conditioning case 10 It is characterized in that the evaporator 12 for cooling the inside or outside air introduced into the air conditioner is installed on the blower unit case 30 side without being installed in the air conditioning case 10.

The evaporator 12 is preferably installed obliquely with respect to the flow direction of the inside or outside air introduced into the blower unit case 30. For the installation of the evaporator 12, the blower unit case 30 may be extended in the transverse direction.

Of course, the heater core 13 for heating the air cooled by the evaporator 12 is provided in the air conditioning case 10 as it is before. Reference numeral '50' denotes an air filter for filtering impurities in the inside air or outside air introduced into the blower unit case 30.

In this way, by installing only the heater core 13 inside the air conditioning case 10 and changing the installation position of the evaporator 12 to the blower unit case 30 side, the conventional left and right independent air conditioning apparatus shown in FIGS. 2 and 3. As compared with the structure in which the evaporator and the heater core are installed together in the air conditioning case, the height of the air conditioning case can be reduced, and thus, the installation space can be sufficiently secured even in the limited narrow space of the vehicle.

Since the left and right independent air conditioning apparatus according to the present invention having such a structure differs only in the installation position of the evaporator 12 as described above, the left and right independent air conditioning apparatus can be efficiently realized as in the conventional left and right independent air conditioning apparatus.

That is, according to the left and right independent air conditioning apparatus according to the present invention, the air introduced into the blower unit case 30 through the internal air inlet or the external air inlet selectively opened by the internal and external air switching doors in accordance with the operation of the blower fan 31. The inside or outside air is introduced into the air conditioning case 10 through the air inlet 11 of the air conditioning case 10 in a cooled state while passing through the evaporator 12 installed in the blower unit case 30. . At this time, the air flowing into the air conditioning case 10 is divided into the first and second air flow paths by the separating plate 40 installed at the inner center of the air conditioning case 10, and then the temp door D1. Is selectively heated by the heater core 13 in accordance with the opening degree of D2), and is discharged to the vehicle interior through the first group air outlet 21 and the second group air outlet 22, respectively, to the left and right sides of the vehicle interior. Individual heating and cooling are performed.

As described above, according to the left and right independent air conditioner according to the present invention, the height of the air conditioner is changed by changing the position of the evaporator in the heat exchanger installed inside the air conditioner case of the semi-center mounting type to a position closer to the blower unit side. It can be minimized, thereby enabling optimal installation even without limited installation space even in limited confined spaces of automobiles.

Although the present invention has been described with respect to the preferred embodiment, the present invention is not limited thereto, and various modifications and applications will be possible to those skilled in the art without departing from the gist of the present invention.

1 is a cross-sectional view of a conventional general air conditioner.

2 is a schematic perspective view of a conventional left and right independent air conditioning apparatus.

3 is a cross-sectional view of an air conditioning case of a conventional left and right independent air conditioning apparatus.

4 is a cross-sectional view of the left and right independent air conditioning apparatus according to the present invention.

Figure 5 is a cross-sectional view of the air conditioning case of the left and right independent air conditioning apparatus according to the present invention.

** Explanation of symbols for main parts of drawings **

10, 100, 200 ... air conditioning case

11, 201 ... air inlet

12, 101, 202 ... evaporator

13, 102, 203 ... Heater Core

20 ... air outlet

21a, 21b, 21c, 22a, 22b, 22c ... Vent

30, 110 ... Blower Unit Case

40, 300 ... separator

31, 112 ... blower fan

206, 207, 208, 209, 210, 211 ... vent

D1, D2, 204a, 204b ... Temp Door

D3, D4, D5, D6, D7, D8, 205a, 205b ... Mode Door

Claims (3)

The air inlet 11 is installed at the inlet end, and the defrost vent 21a, face vent 21b, and floor vent 21c for the left air conditioner of the vehicle interior are installed at the outlet end. The air-conditioning case in which the air discharge port 21 of the 1st group and the air discharge port 22 of the 2nd group which consist of the defrost vent 22a, the face vent 22b, and the floor vent 22c for the right side air conditioning of the inside of a car, respectively are formed. 10; It is connected to the air inlet 11, a blower having a blowing fan 31 therein to blow the inside or outside air to the air flow path inside the air conditioning case 10 through the air inlet 11 A blower unit case 30; A first air passage from the air inlet 11 to the air outlet 21 of the first group and a second air from the air inlet 11 to the second air outlet 22 of the second group; A separating plate 40 dividing into a flow path; Left and right independent air conditioning apparatus for a vehicle including a plurality of doors (D1, D2; D3, D4; D5, D6; D7, D8) for controlling the flow of the inside or outside air flowing into the first air passage and the second air passage To The blower unit case 30 is provided with an evaporator 12 for cooling the inside or outside air introduced by the blowing fan 31, and the evaporator 12 inside the air conditioning case 10. Heater core (Heater Core, 13) is installed for heating the inside or outside air cooled by the). The method of claim 1, The air conditioning case 10 is a vehicle independent left and right air conditioning apparatus, characterized in that the semi-center mounting type (Semi-Center Mounting Type). The method of claim 1, The evaporator 12, the left and right independent air conditioning apparatus for a vehicle, characterized in that installed obliquely with respect to the flow direction of the inside or outside air introduced into the blower unit case (30).