WO2016148484A1

WO2016148484A1 - Vehicular air conditioning device

Info

Publication number: WO2016148484A1
Application number: PCT/KR2016/002569
Authority: WO
Inventors: 원승식; 김영인; 엄부용; 정재오; 한성석; 김석; 김용식
Original assignee: 한온시스템 주식회사
Priority date: 2015-03-16
Filing date: 2016-03-15
Publication date: 2016-09-22

Abstract

The present invention relates to a vehicular air conditioning device and, more particularly, to a vehicular air conditioning device wherein delimitation walls, which delimit air passages inside an air conditioning case, are formed separately from the air conditioning case and are detachably assembled to left and right cases, respectively, such that the delimitation walls can be fabricated regardless of the mold removing direction during injection molding, making it possible to reduce the thickness and weight; this makes it possible to secure air passages, thereby improving air fluidity, and warm wind supply channels for supplying warm wind to a defrost vent can be integrally formed on the delimitation walls, making any structure for fixing the warm wind supply channels unnecessary; as a result, costs for materials and costs for mold processing can be reduced, and the warm wind supply channels can be freely positioned within the size of the delimitation walls, thereby facilitating performance improvement.

Description

Car air conditioner

The present invention relates to a vehicle air conditioner, and more particularly, to a vehicle air conditioner formed by separating the air passage in the interior of the air conditioning case separately from the air conditioning case and detachably assembled to the left and right cases. .

The air conditioner of the vehicle is a vehicle's interior that is installed for the purpose of securing the driver's front and rear view by removing the frost that is caught in the windshield during rainy or winter seasons. Such an air conditioner is usually equipped with a heating device and a cooling device at the same time to selectively introduce the outside air or bet and then heat or cool the air and blow it into the vehicle interior to cool, heat or ventilate the interior of the vehicle.

According to the independent structure of the blower unit, the evaporator unit and the heater core unit, the air conditioning apparatus includes a three-piece type in which the three units are independently provided, the evaporator unit and the heater core unit are built in the air conditioning case, and the blower unit is Semi-center type is provided as a separate unit, and all three units can be divided into a center mounting type that is built in the air conditioning case.

1 is a perspective view illustrating an example of a conventional vehicle air conditioner, and FIG. 2 is a cross-sectional view illustrating a state in which partition walls of the left and right cases are coupled to each other in FIG. 1.

As shown, the vehicle air conditioner, the air inlet 27 is formed on one side and a plurality of air outlet 28 consisting of the defrost vent 21, the face vent 22, the floor vent 23 on the other side The air inlet case 20 has an air passage formed therein so as to communicate the air inlet 27 and the air outlet 28 therein, and an evaporator 2 installed at regular intervals on the air passage sequentially. The heater core 3 and a blower (not shown) installed at the air inlet 27 side of the air conditioning case 20.

And, between the evaporator (2) and the heater core (3) is provided a temperature control door 25 for temperature control, each

vent

21, 22, 23 a plurality of mode doors (24) Is installed to perform a variety of air discharge mode while adjusting the opening degree of the corresponding vent (21) (22) (23).

On the other hand, the temperature control door 25 is rotatably installed in the interior of the air conditioning case 20 through the rotating shaft 25a, and the sealing member 25b is formed at the edge for sealing.

And, as shown in Figure 2, the partition wall 40 is formed on the inner surface of the left and

right cases

20a, 20b, wherein the partition wall 40 of the left and

right cases

20a, 20b. Opposite ends of the are assembled together.

The partition wall 40 divides the air passage in the air conditioning case 20 in a predetermined form to form a flow path of air.

The conventional air conditioner having the above structure is cooled while the air or the outdoor air introduced into the air conditioner case 20 by the blower passes through the evaporator 2 (when the air conditioner is ON), and the heater core 3 After being selectively heated by), it is supplied to the vehicle interior through the

vents

21, 22 and 23 to be cooled and heated.

However, in the conventional air conditioner, as shown in FIG. 2, the partition wall 40 protrudes high from the inner surfaces of the left and

right cases

20a and 20b, and the partition wall 40 is used for the mold withdrawal gradient. A side surface of the partition wall 40 is formed to be inclined. At this time, the bottom thickness of the partition wall 40 is increased due to the high height of the partition wall 40, thereby increasing the weight.

In addition, when the thickness of the partition wall 40 is increased, there is a problem that the air flow is reduced and the air flow is also decreased.

An object of the present invention for solving the above problems is to form a partition wall for partitioning the air passage in the air conditioning case separately from the air conditioning case to assemble detachably to the left and right cases, the mold ejection direction during injection molding Regardless of the size of the partition wall, the thickness and weight can be reduced, and thus, the air passage can be secured to improve air flow. Since the hot air supply channel can be formed integrally, a separate structure for fixing the hot air supply channel is unnecessary, thereby reducing material cost and mold processing cost, and freely positioning the hot air supply channel within the size of the partition wall. It is to provide a vehicle air conditioner that is easy to improve.

The present invention for achieving the above object is configured by assembling the left case and the right case with each other, including an air conditioning case formed with an air passage therein, and partition walls for partitioning the air passage inside the air conditioning case in a predetermined form. In the vehicle air conditioning apparatus, the partition wall is formed separately from the air conditioning case, characterized in that detachably assembled between the left case and the right case.

According to the present invention, the partition wall partitioning the air passage in the air conditioning case is formed separately from the air conditioning case and assembled to be detachably attached to the left and right cases, so that the partition wall can be manufactured regardless of the mold ejection direction during injection molding. And the weight and material cost can be reduced, and the air passage can be secured, thereby improving air flow.

In addition, it is possible to integrally form a hot air supply channel for supplying the warm air to the defrost vent in the partition wall is not necessary to separate the structure for fixing the hot air supply channel to reduce the material cost and mold processing costs as well as the partition It is easy to improve the performance by freely positioning the hot air supply channel within the wall size.

1 is a perspective view showing an example of a conventional vehicle air conditioner,

2 is a cross-sectional view showing a state in which partition walls of the left and right cases are coupled to FIG. 1;

3 is a perspective view showing a state in which the right case is separated in the vehicle air conditioner according to the first embodiment of the present invention;

4 is a cross-sectional view of FIG.

5 is a partial cross-sectional view showing a state in which partition walls are coupled between left and right cases in the vehicle air conditioner according to the first embodiment of the present invention;

6 is a partial cross-sectional view showing another coupling structure of the left and right cases and the partition wall in FIG.

7 is a perspective view showing a state in which the right case is separated in the vehicle air conditioner according to the second embodiment of the present invention;

8 is a cross-sectional view of FIG.

9 is a partial cross-sectional view showing a state in which partition walls are coupled between left and right cases in a vehicle air conditioner according to a second embodiment of the present invention;

10 is an exploded perspective view showing a vehicle air conditioner according to a third embodiment of the present invention;

FIG. 11 is a partial cross-sectional view illustrating a state in which partition walls are divided and assembled between a left and right case and a separator in a vehicle air conditioner according to a third embodiment of the present invention.

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

In the vehicle air conditioner 100 according to the present invention, an air inlet 111 for introducing air into one side (inlet side) is formed, and the other side (outlet side) has a defrost vent 112 for discharging air into the cabin. ), A face vent 113, a floor vent 114 is formed with a plurality of air outlets, and the air inlet case 110 and the air-conditioning case formed to communicate the air inlet 111 and the air outlet therein, and the It consists of an evaporator 101 and a heater core 102 are sequentially provided at a predetermined interval on the air passage, and a blower (not shown) installed on the air inlet 111 side of the air conditioning case 110.

The air conditioning case 110 is configured by assembling the left case 110a and the right case 110b with each other.

And, between the evaporator 101 and the heater core 102 is installed a temperature control door 145 for temperature control, the temperature control door 145 through the rotating shaft inside the air conditioning case 110. It is rotatably installed to adjust the opening degree of the cold air passage (P1) bypassing the heater core 102 and the warm air passage (P2) passing through the heater core (102).

In addition, the respective defrost vent 112 to selectively distribute the air passing through the heater core 102 after passing through the evaporator 101 to each duct (not shown) in communication with a specific position in the vehicle interior. ), The face vents 113 and the floor vents 114 are provided with a plurality of

mode doors

140, 141, and 142 to perform various air discharge modes.

In this case, the

mode doors

140, 141, and 142 are also rotatably installed in the air conditioning case 110 through the rotation shafts, respectively.

The defrost vent 112 discharges air toward the windshield of the vehicle, the face vent 113 discharges air toward the face of the front occupant, and the floor vent 114 discharges air toward the occupant's foot. Done.

On the other hand, the blower not shown is formed inside and outside air inlet and the outside air inlet opening and closing is formed by the internal and external air conversion door (not shown) to selectively enter the inside, the outside air, the inside and the outside air inlet A blowing fan for blowing air introduced through the air conditioning case 110 is installed.

As such, the doors installed inside the air conditioning case 110, such as the temperature control door 145 and the

mode doors

140, 141 and 142, change the flow direction of air flowing through the air passages in the air conditioning case 110. .

And, on the air passage of the air conditioning case 110, partition walls 135 for partitioning the air passage in a predetermined form are formed.

The partition wall 135 is formed in various shapes on the air passage in the air conditioning case 110 to partition the air passage, whereby air flowing through the air passage is partitioned by the partition wall 135. It will flow along the passage.

For example, the partition wall 135 formed at the rear side of the heater core 102 partitions the rear side air vent passage P2 and the floor vent 114 of the heater core 102. Therefore, the air passing through the heater core 102 flows along the passage partitioned by the partition wall 135, is mixed with cold air in the mixing zone MC, and then flows to the open air outlet.

As described above, a passage through which air flows may be variously formed according to the shape of the partition wall 135.

The partition wall 135 is formed separately from the air conditioning case 110 and is detachably assembled between the left case 110a and the right case 110b.

In other words, in the related art, since the partition wall 135 is integrally formed on the inner surface of the left case 110a and the inner surface of the right case 110b and protrudes to a central position of the air conditioning case 110, Although it is necessary to apply a mold withdrawal gradient (inclined surface) to the side of the partition wall 135,

In the present invention, the partition wall 135 is manufactured separately without being integrally formed in the air conditioning case 110 and then detachably assembled to the left and

right cases

110a and 110b.

As such, since the partition wall 135 is manufactured separately from the air conditioning case 110, the partition wall 135 may be manufactured irrespective of the mold ejection direction during injection molding, that is, a mold ejection gradient on the partition wall 135. There is no need to apply the thickness of the partition wall 135 and the weight and material cost can be reduced, and also due to the reduced thickness of the partition wall 135 can secure the air passage in the air conditioning case to improve the air flow Can be.

In addition, as a structure for assembling the partition wall 135 and the left and

right cases

110a and 110b, as shown in FIGS. 5 and 6, both ends of the partition wall 135 and the left and right cases 110a,

Tongue parts

115 and 137 are formed on one of the assembly surfaces facing each other of 110b, and

grooves

116 and 136 to which the

tongue parts

115 and 137 are inserted.

In FIG. 5, tongues 115 are formed on inner surfaces of the left and

right cases

110a and 110b, and grooves 136 into which the tongues 117 are inserted are formed at both ends of the partition wall 135. Structure,

In FIG. 6, grooves 116 are formed on inner surfaces of the left and

right cases

110a and 110b, and tongues 137 are formed at both ends of the partition wall 135 to be inserted into the grooves 116. Structure. Of course, the tongue 137 formed at both ends of the partition wall 135 may be formed to have the same thickness as the partition wall 135 or may have a different thickness as shown in the drawing.

Therefore, when the partition wall 135 is assembled between the left and

right cases

110a and 110b, the

tongues

115 and 137 formed on the assembled surfaces of the left and

right cases

110a and 110b and the partition wall 135. ) And

grooves

116 and 136 are fitted to each other to be assembled.

In addition, a plurality of assembly pins 138 protrude from both ends of the partition wall 135, and a plurality of assembly pins 138 are fitted to inner surfaces of the left and

right cases

110a and 110b. Holes (not shown) are formed.

Therefore, when assembling the partition wall 135 to the left and

right cases

110a and 110b, the assembly pins 138 of the partition wall 135 are first placed in the assembly holes of the left and

right cases

110a and 110b. When fitted, the partition wall 135 can be easily positioned in position to simplify assembly and prevent misassembly.

The partition wall 135 is provided so as to partition the rear side warm air passage P2 and the floor vent 114 of the heater core 102.

In this case, the lower end of the partition wall 135 is in contact with the bottom surface of the air conditioning case 110 and the upper end extends toward the mixing area MC in which cold and warm air are mixed. Therefore, the warm air passing through the heater core 102 is guided to the partition wall 135 to flow to the mixing region MC.

In addition, the hot air supply channel 130 may be installed in order to forcibly supply the warm air passing through the hot air passage P2 to the defrost vent 112 side according to the temperature performance requirement of the air conditioner 100. In the second embodiment of the present invention, the hot air supply channel 130 is integrally formed on the partition wall 135 as shown in FIGS. 7 to 9.

That is, since the partition wall 135 is manufactured separately from the air conditioning case 110, the hot air supply channel 130 may be integrally formed on the partition wall 135.

As such, since the hot air supply channel 130 may be integrally formed on the partition wall 135, a separate structure for fixing the hot air supply channel 130 is unnecessary, thereby reducing material cost and mold processing cost, as well as the partition. The location of the hot air supply channel 130 within the size of the wall 135 is free and accurate positioning is possible, it is easy to improve the performance.

In addition, the hot air supply channel 130 is connected to a mixing area MC in which cold air bypassing the heater core 102 and hot air passing through the heater core 102 are mixed in the air conditioning case 110. It is formed to be located.

In addition, the hot air supply channel 130 is formed in a tubular shape so as to be partitioned from the air of the mixing area MC, a pair is formed spaced apart from each other by a predetermined interval.

That is, some of the warm air passing through the hot air passage (P2) is mixed in the cold air passing through the cold air passage (P1) and the mixing area (MC), but some of the warm air to the hot air supply channel 130 of the tubular form Since it flows directly to the defrost vent 112 side without being mixed with the cold air through, it is possible to supply sufficient warm air and prevent the temperature of the warm air from dropping.

10 and 11 show a separator 150 provided between the left and

right cases

110a and 110b to independently control the temperature of the driver's seat side and the passenger seat side of the vehicle interior as a third embodiment of the present invention. The partition wall 135 is applied in one structure.

That is, a separator 150 is provided between the left case 110a and the right case 110b to divide the air passage inside the air conditioning case 110 to the left and right.

The separator 150 divides the air passages downstream of the evaporator 101 into the left and right in the air conditioning case 110.

On the other hand, the temperature control door 145 is installed to enable independent control at the left and right sides of the separator 150.

The partition wall 135 includes a left partition wall 135a and a right partition wall 135b that are divided and assembled on the left and right sides of the separator 150.

That is, in the first and second embodiments, a single partition wall 135 is provided. In the third embodiment, the partition wall 135 is divided into left and right sides of the separator 150 to be assembled.

Therefore, the partition wall 135 is formed by dividing the partition wall 135 between the left and

right cases

110a and 110b and the separator 150 even in the left and right independent control specification including the separator 150. ) Thickness, weight and material costs can be reduced.

A tongue portion 137 is formed on one of both ends of the left and

right partition walls

135a and 135b and an assembly surface of the left and

right cases

110a and 110b and the separator 150. The other side is formed with

grooves

116 and 151 into which the tongue 137 is inserted.

That is, a tongue portion 137 is formed on one of both ends of the left partition wall 135a and an assembly surface of the left case 110a and the separator 150, and the tongue portion 137 is formed on the other.

Grooves

116 and 151 into which the grooves are inserted are formed, and tongue portions 137 are formed on either of both ends of the right partition wall 135b and an assembly surface of the right case 110b and the separator 150. Is formed, and

grooves

116 and 151 into which the tongue part 137 is inserted are formed.

In FIG. 11,

grooves

116 and 151 are formed on the left and

right cases

110a and 110b and the separator 150, and both

grooves

116 and 151 are inserted at both ends of the left and

right partition walls

135a and 135b. The case where the tongue part 137 is formed is shown.

Of course, the tongue portions 137 formed at both ends of the left and

right partition walls

135a and 135b may have the same thickness as the left and

right partition walls

135a and 135b, or may have different thicknesses.

Therefore, when the left and

right partition walls

135a and 135b are assembled between the left and

right cases

110a and 110b and the separator 150, the tongue portions of the left and

right partition walls

135a and 135b are assembled. 137 is assembled to the left and

right cases

110a and 110b and the

grooves

116 and 151 of the separator 150.

On the other hand, the left and right partition walls (135a, 135b), as in the first and second embodiments, the warm air passing through the rear side hot air passage (P2) of the heater core 102 toward the defrost vent 112 side The hot air supply channel 130 is integrally formed to supply. Therefore, a separate structure for fixing the hot air supply channel 130 is unnecessary, thereby reducing material costs and mold processing costs, as well as the size of the hot air supply channel 130 within the sizes of the left and

right partition walls

135a and 135b. Free positioning makes it easy to improve temperature performance.

Hereinafter, the operation of the vehicle air conditioner 100 according to the present invention will be described, and for convenience, the first embodiment will be described as an example.

First, the assembly process

The partition wall 135 is assembled to the left case 110a while the left case 110a (or the right case 110b) is fixed.

In this case, the partition wall 135 and the

grooves

116 and 136 are fitted to each other by using the

tongues

115 and 137 and the

grooves

116 and 136 formed on the assembly surface of the left case 110a.

Thereafter, the right case 110b is assembled to the other end of the partition wall 135. This is also fitted by using the tongue (115,137) and groove (116,136).

As described above, after the left and

right cases

110a and 110b and the partition wall 135 are assembled, the left and

right cases

110a and 110b are fastened with clips (not shown) or screws (not shown). Assembly is completed by firmly fixing the left and right cases (110a, 110b) and the partition wall 135.

Of course, before assembling the left and

right cases

110a and 110b, the left and

right cases

110a and 110b are assembled in a state in which parts such as a plurality of doors are placed in advance.

Hereinafter, the air discharge mode of the vehicle air conditioner 100 will be described, and only the mixed mode (see FIG. 8) will be described for convenience.

First, when air is introduced into the air conditioning case 110 by the operation of the blower, the air is changed into cold air while passing through the evaporator 101.

At this time, the cool air heat-exchanged in the evaporator 101 flows the mixing area (MC) by partially bypassing the heater core 102 by the temperature control door 145, and part of the heater core 102 After passing through the hot air flows into the mixing zone MC along the hot air passage (P2) is mixed with the cold air.

On the other hand, some of the warm air flowing in the hot air passage (P2) is introduced into the hot air supply channel 130 and flows directly to the defrost vent 112 side without being mixed with cold air.

Subsequently, some of the air mixed in the mixing area MC is discharged to the vehicle interior window through the defrost vent 112, and some is discharged to the vehicle occupant's foot through the floor vent 114. .

Meanwhile, in the above description, only the mix mode is described. In addition, various air discharge modes (bent mode, floor mode, defrost mode, bi-level mode) can be performed. do.

Claims

The air conditioner case 110 is formed by assembling the left case 110a and the right case 110b with an air passage therein,

In the vehicle air conditioner comprising a partition wall 135 for partitioning the air passage in the air conditioning case 110 in a predetermined form,

The partition wall 135 is formed separately from the air conditioning case 110, the vehicle air conditioner, characterized in that detachably assembled between the left case (110a) and the right case (110b).
The method of claim 1,

Tongues 115 and 137 are formed at one of both ends of the partition wall 135 and assembly surfaces of the left and right cases 110a and 110b, and grooves into which the tongues 115 and 137 are inserted. (groove) (116, 136) characterized in that the vehicle air conditioner is formed.
The method of claim 1,

Assembly pins 138 protrude from both ends of the partition wall 135,

Vehicle left side, the right side of the case (110a, 110b) the inner surface of the vehicle air conditioning apparatus, characterized in that the assembly hole is formed is fitted to the assembly pins (138).
The method of claim 1,

Inside the air conditioning case 110, the evaporator 101 and the heater core 102 are installed spaced apart from each other by a predetermined interval,

On the outlet side of the air conditioning case 110, a defrost vent 112, a face vent 113, a floor vent 114 for discharging air into the vehicle compartment is formed.

The partition wall (135) is a vehicle air conditioner, characterized in that it is installed so as to partition the rear side hot air passage (P2) and the floor vent (114) of the heater core (102).
The method of claim 4, wherein

The air conditioning apparatus for the vehicle, characterized in that the hot air supply channel 130 is integrally formed in the partition wall 135 to supply the warm air passing through the hot air passage (P2) to the defrost vent (112) side.
The method of claim 5, wherein

The hot air supply channel 130 is positioned in the mixing region MC in which the cold air bypassing the heater core 102 and the warm air passing through the heater core 102 are mixed in the air conditioning case 110. Vehicle air conditioning apparatus, characterized in that formed.
The method of claim 6,

The hot air supply channel 130, the vehicle air conditioner, characterized in that formed in a tubular shape so as to be partitioned with the air of the mixing area (MC).
The method of claim 5, wherein

The hot air supply channel 130, the vehicle air conditioner, characterized in that a pair is formed spaced apart from each other.
The method of claim 1,

Between the left case (110a) and the right case (110b), the air conditioner for a vehicle, characterized in that the separator 150 for partitioning the air passage in the air conditioning case 110 to the left and right.
The method of claim 9,

The partition wall 135 is a vehicle air conditioner, characterized in that consisting of the left partition wall (135a) and the right partition wall (135b) divided into the left and right sides of the separator (150).
The method of claim 10,

Tongue parts 137 are formed on one of both ends of the left and right partition walls 135a and 135b and an assembly surface of the left and right cases 110a and 110b and the separator 150, and the other one is formed. In the vehicle air conditioner, characterized in that the groove (116, 151) is formed is inserted into the tongue (137).
The method of claim 10,

Inside the air conditioning case 110, the evaporator 101 and the heater core 102 are installed spaced apart from each other by a predetermined interval,

On the outlet side of the air conditioning case 110, a defrost vent 112, a face vent 113, a floor vent 114 for discharging air into the vehicle compartment is formed.

On the left and right partition walls 135a and 135b, a hot air supply channel 130 may supply hot air passing through the rear side hot air passage P2 of the heater core 102 to the defrost vent 112. Vehicle air conditioning apparatus, characterized in that formed integrally.