KR102470404B1 - Air conditioner for vehicle - Google Patents

Abstract

The present invention relates to an air conditioner for a vehicle, and more particularly, by forming a console air volume distribution means for controlling the opening of a console door in a mode cam to vary the air volume distribution of a console vent for each air discharge mode, thereby providing air in a heating mode. In the floor mode and mix mode, which are the discharge modes, the console vent is adjusted to open less than the maximum opening to prevent excessive discharge to the console vent (rear seat), thereby preventing rear seat occupants from feeling uncomfortable and improving heating performance. The present invention relates to an air conditioner for a vehicle capable of preventing an air volume shortage in front seats.

Description

Vehicle air conditioner {AIR CONDITIONER FOR VEHICLE}

The present invention relates to an air conditioner for a vehicle, and more particularly, to an air conditioner for a vehicle in which a console air volume distribution means for controlling the opening of a console door is formed in a mode cam to differently distribute air volume of a console vent for each air discharge mode. .

In general, an air conditioner for a vehicle is an interior part of a vehicle installed for the purpose of securing the driver's front and rear view by cooling or heating the interior of the vehicle in summer or winter, or by removing frost from the windshield in rainy weather or winter. , Such an air conditioner is usually equipped with a heating device and a cooling device at the same time, so that after selectively introducing outside air or indoor air, the air is heated or cooled and blown into the interior of the vehicle to cool, heat, or ventilate the interior of the vehicle.

According to the independent structure of a blower unit, an evaporator unit, and a heater core unit, such an air conditioner is a three piece type in which the three units are independently provided, and an evaporator unit and a heater core unit are provided in an air conditioning case It can be roughly divided into a semi-center type in which a blower unit is installed as a separate unit and a center mounting type in which all three units are built in an air conditioning case.

On the other hand, in recent years, so-called left and right independent air conditioners have been applied that allow air of different temperatures to be supplied to a driver's seat and a front passenger's seat in a vehicle interior to perform individual cooling and heating according to the needs of the occupant.

1 is a cross-sectional view showing a conventional air conditioner for a vehicle, wherein the air conditioner 1 has an air inlet 11 formed on one side and an opening degree controlled by mode doors 16a, 16b, and 16c on the other side, respectively. an air conditioning case 10 having frost vents 12a, face vents 12b, and floor vents 12c and 12d; an evaporator (2) and a heater core (3) sequentially installed on the air passage in the air conditioning case (10) at regular intervals; It is connected to the air inlet 11 of the air conditioning case 10 and consists of a blowing device (not shown) for blowing internal or external air.

Further, between the evaporator 2 and the heater core 3, the opening of the cold air passage P1 bypassing the heater core 3 and the warm air passage P2 passing through the heater core 3 is adjusted to keep the temperature constant. A temperature control door 15 is installed to adjust the

In addition, the mode doors 16a, 16b, and 16c perform various air discharge modes (vent mode, bi-level mode, floor mode, mix mode, and defrost mode) while adjusting the opening degree of the corresponding vent.

In addition, a floor flow path 13 is formed inside the air conditioning case 10 and is partitioned between the warm air passage P2 at the rear side of the heater core 3 and the partition wall 17, and the floor flow path 13 is Air in the case 10 is guided to the floor vents 12c and 12d.

Here, the floor vents 12c and 12d are composed of a floor vent 12c for front seats and a floor vent 12d for rear seats, and are branched off from the floor passage 13.

In addition, since the temperature difference between the front and rear seats is severe, air is discharged from the outer surface of the air conditioning case 10 at the rear side of the floor passage 13 to the console box (not shown), which is the central part of the vehicle interior, to solve this problem. A console vent 20 for supplying air conditioning air to the space is formed.

Therefore, when cooling/heating, it is guided toward the console box through the console vent 20 and then supplied to the rear seat space to cool/heat the rear seat space.

According to the vehicle air conditioner 1 configured as described above, when the maximum cooling mode is operated, the temperature control door 15 opens the cold air passage P1 and closes the warm air passage P2. do. Accordingly, the air blown by the blower (not shown) passes through the evaporator 2 and exchanges heat with the refrigerant flowing inside the evaporator 2 to become cold air, and then passes through the cooling air passage P1 to the mixing chamber ( Mixing Chamber (MC), and then opened by the mode doors 16a, 16b, and 16c according to a predetermined air discharge mode (Vent mode, Bi-level mode, Floor mode, Mix mode, Defrost mode) By being discharged into the vehicle interior through the, cooling of the vehicle interior is performed.

In addition, when the maximum heating mode is operated, the temperature control door 15 closes the cold air passage P1 and opens the warm air passage P2. Accordingly, the air blown by the blower (not shown) passes through the evaporator 2 and then passes through the heater core 3 through the warm air passage P2 to exchange heat with the cooling water flowing inside the heater core 3. After being changed to warmth, it flows toward the mixing chamber (MC), and then is discharged to the vehicle interior through the vents opened by the mode doors (16a, 16b, 16c) according to a predetermined air discharge mode, thereby heating the vehicle interior. is carried out

In addition, in the maximum cooling mode and maximum heating mode, air is also supplied to the always-open console vent 20 to cool and heat the rear seat space.

However, in the prior art, since the console vent 20 is maximally open even in the floor mode and the mix mode, which are air discharge modes in the heating mode, there is a problem in that air is excessively discharged to the console vent 20, As a result, the discomfort of passengers in the rear seats increases, and there is also a problem that an air volume shortage in the front seats occurs due to an excessive air volume in the rear seats.

On the other hand, there are cases where a console door is installed in the console vent 20, but in this case, the console door only performs a simple operation of maximally opening or closing the console vent 20, that is, the console vent only in the defrost mode. 20 is closed, and the console vent 20 is still maximally open in face mode, bi-level mode, floor mode, and mix mode, so there is the above problem.

An object of the present invention to solve the above-mentioned conventional problems is to form a console air volume distribution means for adjusting the opening of the console door in the mode cam to make the air volume distribution of the console vent different for each air discharge mode, thereby distributing air in the heating mode. In the floor mode and mix mode, which are modes, the console vent is adjusted to open less than the maximum opening to prevent excessive discharge to the console vent (rear seat), thereby preventing rear seat occupants' discomfort and improving heating performance as well as front seat It is an object of the present invention to provide an air conditioner for a vehicle capable of preventing a shortage of air volume.

The present invention for achieving the above object is an air conditioning case in which a defrost vent, a face vent, and a floor vent are formed to discharge air introduced through an air inlet, and are rotatably installed inside the air conditioning case through a rotating shaft, respectively. defrost door, face door, and floor door that adjust the opening of each vent, and one or more slots that are connected to one or more door rotation shafts of the doors through connecting means and move the cam with respect to the connecting means. and a mode cam configured to individually adjust the opening of the door connected to the slot while rotating at a predetermined angle according to the air discharge mode, wherein the air conditioning case includes a console vent for discharging air toward the rear seat and a console door that adjusts the opening of the console vent, and a console air volume distribution means for adjusting the opening of the console door to make the air volume distribution of the console vent different for each air discharge mode. to be characterized

According to the present invention, a console air volume distribution means for controlling the opening of the console door is formed on the mode cam and the air volume distribution of the console vent is different for each air discharge mode, so that the air discharge mode in the heating mode is the floor mode and the console in the mix mode. The vent is adjusted to open less than the maximum opening to prevent excessive discharge to the console vent (rear seat), thereby preventing rear seat occupants from feeling uncomfortable and improving heating performance, as well as preventing a lack of air volume in the front seat.

1 is a cross-sectional view showing a conventional vehicle air conditioner;
2 is a perspective view showing an air conditioner for a vehicle according to the present invention;
3 is a partial perspective view showing a portion where a mode cam is installed in an air conditioner for a vehicle according to the present invention;
4 is a view showing a mode cam in the vehicle air conditioner according to the present invention;
5 is a cross-sectional view showing a face mode of the vehicle air conditioner according to the present invention;
6 is a cross-sectional view showing a bi-level mode of the vehicle air conditioner according to the present invention;
7 is a cross-sectional view showing a floor mode of the vehicle air conditioner according to the present invention;
8 is a cross-sectional view showing a mix mode of the vehicle air conditioner according to the present invention;
9 is a cross-sectional view showing a defrost mode of an air conditioner for a vehicle according to the present invention;
10 is a view showing another embodiment of a mode cam in an air conditioner for a vehicle according to the present invention.

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

As shown, the vehicle air conditioner 100 according to the present invention has an air inlet 111 formed on one side and a plurality of air outlets formed on the other side to discharge air introduced from the air inlet 111, and An air conditioning case 110 in which a cold air passage P1 and a warm air passage P2 are formed in the internal air passage, and an evaporator 101 and a heater core ( 102), a cold air passage (P1) installed between the evaporator (101) and the heater core (102) and bypassing the heater core (102) and a warm air passage (P2) passing through the heater core (102). ) It is configured to include a temperature control door 119 for adjusting the opening degree.

The evaporator 101 is installed upstream of the cold air passage P1 in the air conditioning case 110, and the heater core 102 is installed in the warm air passage P2.

At this time, the cold air passage P1 is formed so that the air passing through the evaporator 101 in the air conditioning case 110 bypasses the heater core 102, and the warm air passage P2 is formed to bypass the evaporator 101. ) is formed to diverge from the cold air passage P1, pass through the heater core 102, make a U-turn, and join the cold air passage P1 again.

Meanwhile, a mixing area MC in which cold air and warm air are mixed is formed in an area where the cold air passage P1 and the warm air passage P2 join in the air conditioning case 110 .

In addition, a blower (not shown) for blowing internal or external air is installed in the air inlet 111 of the air conditioning case 110 .

In addition, the plurality of air outlets formed on the outlet side of the air conditioning case 110 include a defrost vent 112 for discharging air toward the windshield of the vehicle and a face vent for discharging air toward the face of the front seat occupant ( 113) and floor vents 114 and 115 for discharging air toward the feet of the occupant.

Here, the face vent 113 is divided into a center vent (not shown) on the center side and side vents (not shown) on both sides thereof so that air can be divided and discharged to the center side and both sides of the vehicle interior.

In addition, the floor vents 114 and 115 are branched into a front seat floor vent 114 for discharging air toward the feet of front seat occupants and a rear seat floor vent 115 for discharging air toward the feet of rear seat occupants. .

In addition, the defrost door 130, the face door 140, and the floor door 150, which are mode doors, respectively, adjust the opening degrees of the defrost vent 112, the face vent 113, and the floor vents 114 and 115. will regulate

The defrost door 130 is composed of a center pivot type door and is installed below the defrost vent 112, and the face door 140 is composed of a flat type door, It is installed at the lower part of the face vent 113, and the floor door 150 is composed of a center pivot type door and is installed at the inlet 116a of the floor passage 116 to be described later, through opening and closing of the floor passage 116. The floor vents 114 and 115 are opened and closed.

The defrost door 130, the face door 140, the floor door 150, and the console door 160 to be described later are rotatably installed in the air conditioning case 110 through a rotation shaft, respectively.

The temperature control door 120 is composed of a flat type door and adjusts the opening degrees of the cold air passage P1 and the warm air passage P2.

Meanwhile, the rotation shaft of the temperature control door 120 is rotatably installed in front of the upper end of the heater core 102 .

In addition, a partition wall 119 is formed between the warm air passage P2 on the rear side of the heater core 102 and the floor vents 114 and 115 to separate them from each other.

The barrier rib 119 guides the warm air passing through the heater core 102 to the mixing area MC.

Meanwhile, an actuator (not shown) is installed on an outer surface of the air conditioning case 110 to drive the temperature control door 120 and the mode doors 130 , 140 , and 150 .

At this time, although the actuator may be directly connected to the doors, it is connected to the doors through a separate cam, arm, or lever. That is, when the cam rotates due to the drive of the actuator, the lever and the arm move as a cam to operate the temperature control door 120 and the mode doors 130, 140, and 150, and thereby the cold and hot air passages ( The opening degree of P1) (P2) and each of the vents 112 to 115 is adjusted.

In addition, inside the air conditioning case 110, a floor flow path 116 for guiding the air in the air conditioning case 110 to the floor vents 114 and 115, and a partition formed on the rear side of the floor flow path 116, A console vent 117 is provided to supply air to the rear seat side.

The floor passage 116 is formed along the partition wall 119 at the rear side of the partition wall 119, and guides the air mixed in the mixing area MC to the floor vents 114 and 115.

The console vent 117 is provided on the rear side of the air conditioning case 110 and is partitioned from the floor flow path 116 by a partition wall 118, so that the air mixed in the mixing area MC It is supplied to the rear side.

In addition, the inlet 117a of the console vent 117 is formed through the partition wall 118 that partitions the floor passage 116 and the console vent 117, and the inlet 116a of the floor passage 116 formed on the upper side.

As seen in the drawing, the inlet 117a of the console vent 117 is formed through the upper end of the partition wall 118 facing the floor door 150 .

As such, since the inlet 117a of the console vent 117 is formed adjacent to the mixing area MC, the air mixed in the mixing area MC is smoothly supplied and the temperature control is easy.

Meanwhile, the outlet of the console vent 117 is connected in communication with a console box (not shown) side of the center of the vehicle interior through a duct (not shown). Accordingly, the air passing through the console vent 117 is guided toward the console box and supplied to the rear seat space, thereby cooling and heating the rear seat space.

Then, a console door 160 is installed to open and close the inlet 117a of the console vent 117.

The console door 160 is rotatably installed on the side of the air conditioning case 110 through a rotation shaft 161, and at this time, one end of the rotation shaft 161 is an auxiliary installed outside the air conditioning case 110. It is connected to the connecting means 165.

In addition, the outer surface of the air conditioning case 110 is connected to one or more door rotation shafts of the doors through a connecting means 135, and one or more slots formed with one or more slots for cam movement with respect to the connecting means 135 are formed. (170) is installed.

The mode cam 170 of FIG. 4 is formed with a plurality of slots 171, 172, and 173 connected to the rotating shafts of the defrost door 130, the face door 140, and the floor door 150 through a connecting means 135. .

Accordingly, the mode cam 170 rotates at a predetermined angle according to the air discharge mode and individually adjusts the opening of each door.

The mode cam 170 is rotated by an actuator (not shown) installed on the outer surface of the air conditioning case 110, and the actuator is disposed to overlap the outside of the mode cam 170.

The connecting means 135 is composed of arms 131 , 141 , 151 and levers 152 connecting the rotary shaft of each door and the slots 171 , 172 , 173 of the mode cam 170 .

That is, in the case of the defrost door 130 and the face door 140, the arms 131 and 141 are coupled to the slots 171 and 172 of the mode cam 170, and in the case of the floor door 150, the arm 151 ) and the lever 152 are coupled to the slot 173 of the mode cam 170.

As such, the connecting means 135 may be composed of the arm 151 and the lever 152, or may be composed of only the arms 131 and 141 omitting the lever.

The slots of the mode cam 170 include a slot 171 coupled with a pin to the arm 131 connected to the rotation shaft of the defrost door 130, and an arm 141 connected to the rotation shaft of the face door 140. ) and a slot 172 coupled with a pin, and a slot 173 coupled with an arm 151 and a lever 152 connected to the rotation shaft of the floor door 150 with a pin.

Meanwhile, the arms 131 , 141 , 151 and the lever 152 are disposed between the outer surface of the air conditioning case 110 and the mode cam 170 .

In addition, the mode cam 170 is provided with a console air volume distribution unit 175 for adjusting the opening of the console door 160 so that the air volume distribution of the console vent 117 is different for each air discharge mode.

The console air volume distribution means 175 is formed on the mode cam 170, and is connected to the rotation shaft 161 of the console door 160 through an auxiliary connection means 165, and is connected to the auxiliary connection means 165. It consists of a console slot 176 for cam movement.

The console slot 176 includes a closing slot portion 179 for operating the auxiliary connecting means 165 so that the console door 160 closes the console vent 117, and the console door 160 is a console vent ( 117) operating the auxiliary connecting means 165 to open the maximum, and operating the auxiliary connecting means 165 so that the console door 160 opens the console vent 117 smaller than the maximum opening. It consists of an intermediate slot portion 178.

The open slot part 177, the middle slot part 178, and the closed slot part 179 of the console slot 176 have the air discharge mode from face mode to bi-level mode, floor mode, mix mode, and defrost mode. While changing to , the opening degree of the console vent 117 is arranged to gradually decrease.

4 is a view showing a plurality of slots 171, 172, 173 and a console slot 176 of the mode cam 170. The console slot 176 includes the open slot portion 177, the middle slot portion 178, and the closed slot portion. (179) is formed clockwise.

At this time, the open slot portion 177, the intermediate slot portion 178, and the closed slot portion 179 are formed to have different radii from the rotation center of the mode cam 170, respectively.

That is, the open slot portion 177, the intermediate slot portion 178, and the closed slot portion 179 are formed such that the radius from the rotation center of the mode cam 170 gradually decreases.

Therefore, when the mode cam 170 is rotated at a certain angle so that the pin of the auxiliary connecting means 165 is located in the open slot portion 177 of the console slot 176, the console door 160 opens the console vent ( 117) is opened to the maximum, and when the pin of the auxiliary connecting means 165 is located in the intermediate slot portion 178, the console door 160 opens the console vent 117 to a smaller size than the maximum opening (1 of the maximum opening). /2) is opened, and when the pin of the auxiliary connecting means 165 is located in the closed slot part 179, the console door 160 closes the console vent 117.

In addition, when the face door 140 opens the face vent 113 to the maximum, the console door 160 is positioned at the open slot portion 177 of the console slot 176 through the auxiliary connecting means 165. connected to open the console vent 117 to the maximum,

When the face door 140 closes the face vent 113, the console door 160 is connected to a position other than the open slot portion 177 of the console slot 176 through the auxiliary connecting means 165. As a result, the console vent 117 is closed at a certain angle from the maximum opening.

That is, when the face door 140 closes the face vent 113, the ventilation resistance of the console vent 117 increases, so that the rear seat air volume increases. When is closed, the console door 160 closes the console vent 117 at a certain angle from the maximum opening.

And, the air discharge mode is composed of a face mode, a bi-level mode, a floor mode, a mix mode, and a defrost mode, and the pin position of the auxiliary connecting means 165 for each mode is as shown in FIG. 4 .

Referring to FIG. 4, in the face mode and the bi-level mode, the console vent 117 is maximally opened through the open slot portion 177 of the console slot 176,

In the floor mode and the mix mode, the console vent 117 is opened smaller than the maximum opening (1/2 of the maximum opening) through the middle slot portion 178 of the console slot 176,

In the defrost mode, the console vent 117 is closed through the closing slot portion 179 of the console slot 176 .

As such, the console slot 176 is connected to the air discharge mode from the open slot part 177 to the middle slot part 178 and the closed slot part 179 to operate the console door 160 and control the console. It is to adjust the opening degree of the vent 117.

In addition, as described above, the specific air volume distribution ratio of each vent according to the maximum opening, half opening of the maximum opening, and closing of the console vent 117 is as follows.

First, in the face mode, the console vent 117 is opened to the maximum, and the air volume distribution is 85% for the face vent (center vent, side vent) and 15% for the console vent.

In the bi-level mode, the console vent 117 is opened to the maximum, and the air volume distribution is 55% for the face vent (center vent, side vent), 35% for the floor vent, and 10% for the console vent.

In the floor mode, the console vents 117 are half open, and the air volume distribution is 15% for face vents (side vents), 50% for floor vents, 25% for defrost vents, and 10% for console vents.

In the mixed mode, the console vent 117 is half open, and the air volume distribution is 15% for the face vent (side vent), 38% for the floor vent, 42% for the defrost vent, and 5% for the console vent.

In the defrost mode, the console vent 117 is closed, and the air volume distribution is 15% for face vents (side vents) and 85% for defrost vents.

In this way, by making the air volume distribution of the console vent 117 different for each air discharge mode, the console vent 117 is adjusted to open less than the maximum opening in the floor mode and the mix mode, which are the air discharge modes in the heating mode, so that the console Excessive discharge to the vents 117 (rear seats) is prevented, thereby preventing rear seat occupants from feeling uncomfortable and improving heating performance, as well as preventing a lack of air volume in the front seats.

Meanwhile, in the mode cam 170, a plurality of slots 171, 172, and 173 are individually formed at the edge of the mode cam 170, and the console slot 176 is the plurality of slots 171, 172, and 173 in the mode cam 170. ) is formed inside.

In addition, the auxiliary connecting means 165 is coupled to the rotating shaft 161 of the console door 160 from the outside of the air conditioning case 110, and a console arm having a groove portion 162a having a predetermined length at the end side ( 162), and is rotatably coupled to the outer surface of the air conditioning case 110, and an end extending to one side with respect to the center of rotation is coupled to the groove portion 162a of the console arm 162 with a pin, and to the other side. The extended end is composed of a console lever 163 coupled to the console slot 176 of the mod cam 170 with a pin, so that the cam movement along the console slot 176 when the mod cam 170 rotates. The console door 160 is operated through the console lever 163 and the console arm 162.

On the other hand, in the console slot 176, the section where the radius from the rotation center of the mode cam 170 does not change is the stationary section of the console door 160, and the section where the radius increases or decreases is the console door 160 This is the section where the operating angle of

10 is a view showing another embodiment of the mode cam, in which the slot 171 to which the defrost door 130 is connected is removed from the mode cam 170 described above.

In this case, the defrost door 130 is independently controlled through a separate driving means (not shown) installed on the outer surface of the air conditioning case 110 .

That is, the face door 140, the floor door 150, and the console door 160 are controlled through the mode cam 170, and the defrost door 130 is independently controlled through a separate driving means. will be.

The driving means controls the defrost door 130 through an actuator.

Hereinafter, the operation of the vehicle air conditioner according to the present invention will be described, and the case where the face mode and the bi-level mode are in the cooling mode, and the floor mode, the mix mode, and the defrost mode are in the heating mode will be described as an example.

go. Face Mode (FIG. 5)

In the face mode, as shown in FIG. 5 , the face door 140 opens the face vent 113, the defrost door 130 closes the defrost vent 112, and the floor door 150 ) closes the floor flow path 116 to close the floor vents 114 and 115, and the console door 160 opens the console vent 117 to the maximum.

In addition, the temperature control door 120 opens the cold air passage P1.

Therefore, after the air blown by the blower (not shown) is changed to cool air passing through the evaporator 101, some of it is discharged toward the face of the front seat occupant through the face vent 113 to cool it, and some of it is cooled by the console. Through the vent 117, it is discharged toward the face of the rear seat occupant to cool it.

me. Bi-level mode (Fig. 6)

In the bi-level mode, as shown in FIG. 6, the face door 140 and the floor door 150 simultaneously open the face vent 113 and the floor vents 114 and 115, and the defrost door 130 opens the defrost door 130 at the same time. The frost vent 112 is closed, and the console door 160 opens the console vent 117 to the maximum.

In addition, the temperature control door 120 opens the cold air passage P1.

Therefore, after the air blown by the blower (not shown) is changed to cool air passing through the evaporator 101, some of it is discharged toward the face of the front seat occupant through the face vent 113 to cool it, and some of it is cooled by the console. It is discharged to the face of the rear seat occupant through the vent 117 to cool, and some is discharged to the front seat occupant's feet and the rear seat occupant's feet through the floor passage 116 and the floor vents 114 and 115 to cool.

All. Floor Mode (FIG. 7)

In the floor mode, as shown in FIG. 7 , the face door 140 and the defrost door 130 close the face vent 113 and the defrost vent 112, and the floor door 150 closes the floor flow path. 116 is opened to open the floor vents 114 and 115, and the console door 160 opens the console vent 117 to half.

In addition, the temperature control door 120 opens the warm air passage P2.

Accordingly, the air blown by the blower (not shown) passes through the evaporator 101 and is heated while passing through the heater core, and then is partially discharged toward the face of the rear seat occupant through the console vent 117. Some of the heat is discharged through the floor passage 116 and the floor vents 114 and 115 to the feet of the front seat occupants and the feet of the rear seat occupants to be heated.

At this time, as the console vent 117 is half-opened, it is possible to prevent a problem of excessive discharge to the console vent 117 and a phenomenon of insufficient air volume in the front seats.

la. Mix Mode (FIG. 8)

In the mix mode, as shown in FIG. 8 , the face door 140 closes the face vent 113, the defrost door 130 opens the defrost vent 112, and the floor door 150 opens the floor flow path 116 to open the floor vents 114 and 115, and the console door 160 opens the console vent 117 by half.

In addition, the temperature control door 120 opens the warm air passage P2.

Therefore, the air blown by the blower (not shown) is heated in the process of passing through the heater core after passing through the evaporator 101, and then is partially discharged toward the windshield through the defrost vent 112 to prevent frost. is removed, and some is discharged toward the face of the rear seat occupant through the console vent 117 to heat, and some of the front seat occupant's feet and rear seat occupant's feet through the floor passage 116 and the floor vents 114 and 115. It is discharged to the feet and heated.

At this time, as the console vent 117 is half-opened, it is possible to prevent a problem of excessive discharge to the console vent 117 and a phenomenon of insufficient air volume in the front seats.

mind. Defrost Mode (FIG. 9)

In the defrost mode, as shown in FIG. 9 , the face door 140 closes the face vent 113, and the floor door 150 closes the inlet 116a of the floor passage 116 to open the floor vent 116. 114 and 115 are closed, the defrost door 130 opens the defrost vent 112, and the console door 160 closes the console vent 117.

In addition, the temperature control door 120 opens the warm air passage P2.

Therefore, the air blown by the blower (not shown) passes through the evaporator 101 and is heated in the process of passing through the heater core, and then is discharged toward the windshield through the defrost vent 112 to remove frost. will do

As described above, in the present invention, only the case where the configuration in which the console air volume distribution means 175 is formed in the mode cam 170 is applied to a semi-center type air conditioner has been described, but the present invention is not limited thereto, and the center mounting type It can be applied in the same way to all air conditioners such as air conditioners and three-piece type air conditioners, and the same effect can be obtained.

100: air conditioner 101: evaporator
102: heater core 110: air conditioning case
111: air inlet 112: defrost vent
113: face vent 114, 115: floor vent
116: floor euro 117: console vent
118: partition wall 119: bulkhead
120: temperature control door 130: defrost door
135: connecting means
140: face door 150: floor door
160: console door 162: console arm
163: console lever 165: auxiliary connection means
170: mod cam 171,172,173: slot
175: console wind volume distribution means 176: console slot
177: open slot part 178: middle slot part
179: closed slot unit

Claims (12)

An air conditioning case 110 in which a defrost vent 112, a face vent 113, and floor vents 114 and 115 are formed to discharge air introduced through the air inlet 111, and inside the air conditioning case 110, respectively. The defrost door 130, the face door 140, and the floor door 150 rotatably installed through the rotating shaft to adjust the opening of each vent, and one or more of the doors rotating shaft and connecting means. It includes a mode cam 170 that is connected but has one or more slots for cam movement with respect to the connecting means 135, and individually adjusts the opening degree of the door connected to the slot while rotating at a predetermined angle according to the air discharge mode. In the vehicle air conditioner made by,
In the air conditioning case 110, a console vent 117 for discharging air to the rear seat side and a console door 160 for adjusting the opening of the console vent 117 are installed,
The mode cam 170 is provided with a console air volume distribution unit 175 for adjusting the opening of the console door 160 so that the air volume distribution of the console vent 117 is different for each air discharge mode,
The console air volume distribution means 175 is formed on the mode cam 170, and is connected to the rotation shaft 161 of the console door 160 through an auxiliary connection means 165, and is connected to the auxiliary connection means 165. It consists of a console slot 176 for cam movement,
The console slot 176 includes a closing slot portion 179 for operating the auxiliary connecting means 165 so that the console door 160 closes the console vent 117, and the console door 160 is a console vent ( 117) operating the auxiliary connecting means 165 to open the maximum, and operating the auxiliary connecting means 165 so that the console door 160 opens the console vent 117 smaller than the maximum opening. It consists of an intermediate slot portion 178,
The air discharge mode includes a face mode, a bi-level mode, a floor mode, a mix mode, and a defrost mode,
In the face mode and the bi-level mode, the console vent 117 is maximally opened through the open slot portion 177 of the console slot 176,
In the floor mode and the mix mode, the console vent 117 is opened smaller than the maximum opening through the middle slot portion 178 of the console slot 176,
In the defrost mode, the air conditioner for a vehicle, characterized in that the console vent (117) is closed through the closing slot portion (179) of the console slot (176). An air conditioning case 110 in which a defrost vent 112, a face vent 113, and floor vents 114 and 115 are formed to discharge air introduced through the air inlet 111, and inside the air conditioning case 110, respectively. The defrost door 130, the face door 140, and the floor door 150 rotatably installed through the rotating shaft to adjust the opening of each vent, and one or more of the doors rotating shaft and connecting means. It includes a mode cam 170 that is connected but has one or more slots for cam movement with respect to the connecting means 135, and individually adjusts the opening degree of the door connected to the slot while rotating at a predetermined angle according to the air discharge mode. In the vehicle air conditioner made by,
In the air conditioning case 110, a console vent 117 for discharging air to the rear seat side and a console door 160 for adjusting the opening of the console vent 117 are installed,
The mode cam 170 is provided with a console air volume distribution unit 175 for adjusting the opening of the console door 160 so that the air volume distribution of the console vent 117 is different for each air discharge mode,
The console air volume distribution means 175 is formed on the mode cam 170, and is connected to the rotation shaft 161 of the console door 160 through an auxiliary connection means 165, and is connected to the auxiliary connection means 165. It consists of a console slot 176 for cam movement,
The console slot 176 includes a closing slot portion 179 for operating the auxiliary connecting means 165 so that the console door 160 closes the console vent 117, and the console door 160 is a console vent ( 117) operating the auxiliary connecting means 165 to open the maximum, and operating the auxiliary connecting means 165 so that the console door 160 opens the console vent 117 smaller than the maximum opening. It consists of an intermediate slot portion 178,
A plurality of slots are individually formed at the edge of the mode cam (170), and the console slot (176) is formed inside the plurality of slots in the mode cam (170). An air conditioning case 110 in which a defrost vent 112, a face vent 113, and floor vents 114 and 115 are formed to discharge air introduced through the air inlet 111, and inside the air conditioning case 110, respectively. The defrost door 130, the face door 140, and the floor door 150 rotatably installed through the rotating shaft to adjust the opening of each vent, and one or more of the doors rotating shaft and connecting means. It includes a mode cam 170 that is connected but has one or more slots for cam movement with respect to the connecting means 135, and individually adjusts the opening degree of the door connected to the slot while rotating at a predetermined angle according to the air discharge mode. In the vehicle air conditioner made by,
In the air conditioning case 110, a console vent 117 for discharging air to the rear seat side and a console door 160 for adjusting the opening of the console vent 117 are installed,
The mode cam 170 is provided with a console air volume distribution unit 175 for adjusting the opening of the console door 160 so that the air volume distribution of the console vent 117 is different for each air discharge mode,
The console air volume distribution means 175 is formed on the mode cam 170, and is connected to the rotation shaft 161 of the console door 160 through an auxiliary connection means 165, and is connected to the auxiliary connection means 165. It consists of a console slot 176 for cam movement,
The console slot 176 includes a closing slot portion 179 for operating the auxiliary connecting means 165 so that the console door 160 closes the console vent 117, and the console door 160 is a console vent ( 117) operating the auxiliary connecting means 165 to open the maximum, and operating the auxiliary connecting means 165 so that the console door 160 opens the console vent 117 smaller than the maximum opening. It consists of an intermediate slot portion 178,
When the face door 140 opens the face vent 113 to the maximum, the console door 160 is connected to the open slot portion 177 of the console slot 176 through the auxiliary connecting means 165 The console vent 117 is opened to the maximum,
When the face door 140 closes the face vent 113, the console door 160 is connected to a position other than the open slot portion 177 of the console slot 176 through the auxiliary connecting means 165. A vehicle air conditioner, characterized in that the console vent 117 is closed at a certain angle from the maximum opening. An air conditioning case 110 in which a defrost vent 112, a face vent 113, and floor vents 114 and 115 are formed to discharge air introduced through the air inlet 111, and inside the air conditioning case 110, respectively. The defrost door 130, the face door 140, and the floor door 150 rotatably installed through the rotating shaft to adjust the opening of each vent, and one or more of the doors rotating shaft and connecting means. It includes a mode cam 170 that is connected but has one or more slots for cam movement with respect to the connecting means 135, and individually adjusts the opening degree of the door connected to the slot while rotating at a predetermined angle according to the air discharge mode. In the vehicle air conditioner made by,
In the air conditioning case 110, a console vent 117 for discharging air to the rear seat side and a console door 160 for adjusting the opening of the console vent 117 are installed,
The mode cam 170 is provided with a console air volume distribution unit 175 for adjusting the opening of the console door 160 so that the air volume distribution of the console vent 117 is different for each air discharge mode,
The console air volume distribution means 175 is formed on the mode cam 170, and is connected to the rotation shaft 161 of the console door 160 through an auxiliary connection means 165, and is connected to the auxiliary connection means 165. It consists of a console slot 176 for cam movement,
The console slot 176 includes a closing slot portion 179 for operating the auxiliary connecting means 165 so that the console door 160 closes the console vent 117, and the console door 160 is a console vent ( 117) operating the auxiliary connecting means 165 to open the maximum, and operating the auxiliary connecting means 165 so that the console door 160 opens the console vent 117 smaller than the maximum opening. It consists of an intermediate slot portion 178,
The air discharge mode includes a face mode, a bi-level mode, a floor mode, a mix mode, and a defrost mode,
The console slot 176 is linked to the air discharge mode from the open slot part 177 to the middle slot part 178 and the closed slot part 179 to operate the console door 160. air conditioner for vehicles. According to any one of claims 1 to 4,
The auxiliary connection means 165,
A console arm 162 coupled to the rotating shaft 161 of the console door 160 from the outside of the air conditioning case 110 and having a groove portion 162a of a certain length formed on the end side,
It is rotatably coupled to the outer surface of the air conditioning case 110, and an end extending to one side with respect to the center of rotation is coupled to the groove 162a of the console arm 162 with a pin, and an end extending to the other side is It consists of a console lever 163 coupled with a pin to the console slot 176 of the mode cam 170,
When the mode cam 170 rotates, the console door 160 is operated through the console lever 163 and the console arm 162 that move along the console slot 176. . delete delete According to any one of claims 1 to 4,
The open slot part 177, the middle slot part 178, and the closed slot part 179 of the console slot 176 have the air discharge mode from face mode to bi-level mode, floor mode, mix mode, and defrost mode. Vehicle air conditioner, characterized in that arranged so that the opening degree of the console vent (117) gradually decreases while changing to . According to claim 8,
The open slot portion 177, the intermediate slot portion 178, and the closed slot portion 179 of the console slot 176 are formed in a clockwise direction, but have different radii from the rotation center of the mode cam 170. An air conditioner for a vehicle, characterized in that formed. According to claim 9,
The air conditioner for a vehicle, characterized in that the open slot portion (177), the intermediate slot portion (178), and the closed slot portion (179) are formed such that a radius from the center of rotation of the mode cam (170) gradually decreases. According to any one of claims 1 to 4,
The air conditioner for a vehicle, characterized in that the defrost door 130 is independently controlled through a separate driving means installed on the outer surface of the air conditioning case 110. According to any one of claims 1 to 4,
Inside the air conditioning case 110, a floor flow path 116 is formed to guide air in the air conditioning case 110 to the floor vents 115 and 116,
The console vent 117 is partitioned on the rear side of the floor passage 116,
The inlet 117a of the console vent 117 is formed in the partition wall 118 that partitions the floor flow path 116 and the console vent 117, and is formed on the upper side of the inlet 116a of the floor flow path 116. An air conditioner for a vehicle, characterized in that formed.

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