Vehicle rear air conditioning system

Abstract

The present invention comprises: a case having a first air outlet and a second air outlet formed therein; a first switching door rotatably installed inside the case and selectively blocking the first air outlet; a blower unit disposed in front of the first switching door and blowing air; an evaporator disposed below the first switching door and cooling the air blown by the blower unit; and a PTC heater disposed behind the evaporator and heating the air blown by the blower unit. The present invention provides a vehicle rear air conditioning device comprising a second switching door rotatably installed at the lower part of the PTC heater and selectively blocking the second air outlet, wherein the first switching door comprises a rotating shaft rotatably installed in the case, a body part coupled to the lower part of the rotating shaft and having a guide groove formed therein for selectively guiding air cooled through the evercore to the first air outlet, and a plate part coupled to the upper part of the rotating shaft and opening and closing the first air outlet. According to the vehicle rear air conditioning system of the present invention, by integrating and injection molding a first switching door that serves as a temp door and a mode door, the number of parts such as the temp door and the mode door can be reduced, and the cost of the parts can be reduced. In addition, by providing the first switching door in a confined space, space can be secured and the assembly process can be shortened.

Description

Technology Field

[0001] The present invention relates to a rear air conditioning system for a vehicle, and more specifically, to a rear air conditioning system for a vehicle that is installed in the rear seat of a vehicle and functions to maintain the vehicle's interior temperature in an appropriate state by heating or cooling air and introducing or circulating it into the interior, thereby providing a comfortable ride for the occupants. Background Technology

[0002] Generally, a vehicle air conditioning system cools or heats by selectively passing air introduced into the vehicle cabin by a blower unit through an evaporator where refrigerant flows or a heater core where the vehicle engine's coolant flows, thereby exchanging heat, and then distributing it into the vehicle cabin in a cold or warm state.

[0003] In a vehicle air conditioning system, the device that controls the temperature and opens and closes the discharge port is called a door, and among them, the door that controls the temperature is called a temp door, and the door that controls the discharge port is called a mode door. In addition, the door is controlled by rotating the direction of the door using a controller (actuator) and a lever.

[0004] At this time, conventional vehicle rear air conditioning systems have the problem that the space available for installation in the vehicle is limited. The problem to be solved

[0005] The present invention was created to solve the above-mentioned problems and aims to provide a vehicle rear air conditioning system that integrates a temp door and a mode door. means of solving the problem

[0006] The present invention comprises: a case having a first air outlet and a second air outlet formed therein; a first switching door rotatably installed inside the case and selectively blocking the first air outlet; a blower unit disposed in front of the first switching door and blowing air; an evaporator disposed below the first switching door and cooling the air blown by the blower unit; and a PTC heater disposed behind the evaporator and heating the air blown by the blower unit. The present invention provides a vehicle rear air conditioning device comprising a second switching door rotatably installed at the lower part of the PTC heater and selectively blocking the second air outlet, wherein the first switching door comprises a rotating shaft rotatably installed in the case, a body part coupled to the lower part of the rotating shaft and having a guide groove formed therein for selectively guiding air cooled through the evercore to the first air outlet, and a plate part coupled to the upper part of the rotating shaft and opening and closing the first air outlet.

[0007] The above plate portion may be positioned at an angle of inclination based on the state in which the above body portion is adjacent to the above Evercore.

[0008] The above plate portion may be formed in a plate shape that becomes narrower in width as it extends upward from the rotation axis.

[0009] The above case may include a first partition that is positioned inside the case and is positioned in front of the body part and stops the body part when the body part rotates forward, and a second partition that is positioned inside the case and is positioned behind the plate part and stops the plate part when the plate part rotates backward.

[0010] The above case may include a first stopper positioned inside the case and positioned at the rear of the body portion to stop the body portion when the body portion rotates backward, and a second stopper positioned inside the case and positioned at the front of the plate portion to stop the plate portion when the plate portion rotates forward.

[0011] The vehicle rear air conditioning unit according to the present invention may further include a mode actuator that controls the first switching door and the second switching door, which is disposed outside the case.

[0012] The above body portion may include a first body member coupled to the rotation axis, a pair of second body members spaced apart from each other in the width direction of the first body member and coupled to the first body member, and a third body member connected to the lower part of the first body member and the lower part of the pair of second body members at the front of the first body member and forming the guide groove between the first body member and the pair of second body members. Effects of the invention

[0013] According to the vehicle rear air conditioning system of the present invention, by integrating and injection molding a first switching door that serves as a temp door and a mode door, the number of parts such as the temp door and the mode door can be reduced, and the cost of the parts can be reduced. In addition, by providing the first switching door in a confined space, space can be secured and the assembly process can be shortened. Brief explanation of the drawing

[0014] FIG. 1 is a drawing showing a rear air conditioning system for a vehicle according to the present invention. Figure 2 is a drawing showing the right case removed from Figure 1. Figure 3 is a drawing showing the first switching door illustrated in Figure 2. Figure 4 is an enlarged view of section A in Figure 2. Figure 5 is a diagram showing the flow path of cooled air in the present invention. Figure 6 is a diagram showing the flow path of heated air in the present invention. Specific details for implementing the invention

[0015] The present invention has been described with reference to the embodiments illustrated in the drawings, but this is merely illustrative, and those skilled in the art will understand that various modifications and equivalent alternative embodiments are possible therefrom. Accordingly, the true technical scope of protection of the present invention should be determined by the technical spirit of the appended claims.

[0016] Referring to FIGS. 1 to 6, a rear air conditioning unit (1000) for a vehicle according to the present invention includes a case (1100), a first switching door (1200), a blower unit (1300), an evaporator (1400), a PTC heater (1500), a second switching door (1600), and a mode actuator (1700).

[0017] Referring to FIGS. 1 and 2, the case (1100) includes a left case (1110) and a right case (1120), with a first air outlet (1110a) and a second air outlet (1110b) formed therein.

[0018] The first switching door (1200) is rotatably installed inside the case (1100) and selectively blocks the first air outlet (1100a), and includes a rotation shaft (1210), a body part (1220), and a plate part (1230).

[0019] The above-mentioned rotating shaft (1210) is rotatably installed in the above-mentioned case (1100). The above-mentioned body part (1220) is coupled to the lower part of the above-mentioned rotating shaft (1210), and the guide groove (1220a) is formed to selectively guide air cooled through the above-mentioned evaporator (1400) to the above-mentioned first air outlet (1100a). The above-mentioned plate part (1230) is coupled to the upper part of the above-mentioned rotating shaft (1210) and opens and closes the above-mentioned first air outlet (1100a).

[0020] The blower unit (1300) is positioned in front of the first switching door (1200) and blows air. The evaporator (1400) is positioned at the bottom of the first switching door (1200) and cools the air blown from the blower unit (1300). The PTC heater (1500) is positioned behind the evaporator (1400) and heats the air blown from the blower unit (1300).

[0021] The second switching door (1600) is rotatably installed below the PTC heater (1500) and selectively blocks the second air outlet (1100b). The mode actuator (1700) is positioned outside the case (1100) and controls the first switching door (1200) and the second switching door (1600).

[0022] Referring to FIG. 3, the body part (1220) is coupled to the lower part of the rotation axis (1210) and has a guide groove (1220a) formed therein, and includes a first body member (1221), a second body member (1222), and a third body member (1223).

[0023] The first body member (1221) is coupled to the rotation axis (1210), and the pair of second body members (1222) are spaced apart from each other in the width direction of the first body member (1221), and the third body member (1223) is connected to the lower part of the first body member (1221) and the lower part of the pair of second body members (1222) in front of the first body member (1221), and forms the guide groove (1220a) between the first body member (1221) and the pair of second body members (1222).

[0024] The plate portion (1230) is coupled to the upper part of the rotation axis (1210) and opens and closes the first air outlet (1100a). Additionally, the plate portion (1230) is positioned at an angle (θ) when the body portion (1220) is adjacent to the Evercore (1400), and is formed in a plate shape that becomes narrower as it extends upward from the rotation axis (1210).

[0025] In FIG. 4, the first partition (1111), the second partition (1112), the first stopper (1113), and the second stopper (1114) are arranged inside the left case (1110) and stop the first switching door (1200) when it rotates forward or backward.

[0026] The first partition (1111) is positioned inside the left case (1110) and is positioned in front of the body part (1220), and stops the body part (1220) when the body part (1220) rotates forward, and the second partition (1112) is positioned inside the left case (1110) and is positioned behind the plate part (1230), and stops the plate part (1230) when the plate part (1230) rotates backward.

[0027] The first stopper (1113) is positioned inside the left case (1110) and at the rear of the body part (1220), and stops the body part (1220) when the body part (1220) rotates backward, and the second stopper (1114) is positioned inside the left case (1110) and at the front of the plate part (1230), and stops the plate part (1230) when the plate part (1230) rotates forward.

[0028] Figure 5 shows the flow path of cooling air in a vehicle rear air conditioning system (1000) according to the present invention.

[0029] The blower unit (1300) blows air, and the blown air cools the air as it passes through the evaporator (1400). The cooled air circulates through the case (1100) to form a flow path. At this time, the first switching door (1200) and the second switching door (1600) are controlled using the plurality of mode actuators (1700).

[0030] When the cooling air flow path is open, the first switching door (1200) is open so that the cooled air flows out through the first air outlet (1100a), and the second switching door (1600) is closed so that the second air outlet (1100b) is blocked so that the cooled air does not flow out through the second air outlet (1100b).

[0031] Figure 6 shows the flow path of heated air in a rear air conditioning system (1000) for a vehicle according to the present invention.

[0032] The blower unit (1300) blows air, and the blown air passes through the PTC heater (1500) to heat the air. The heated air circulates through the case (1100) to form a flow path. At this time, the first switching door (1200) and the second switching door (1600) are controlled using the plurality of mode actuators (1700).

[0033] When the heated air flow path is open, the first switching door (1200) is closed to block the first switching door (1200) so that the heated air cannot flow out through the first air outlet (1100a), and the second switching door (1600) is open so that the heated air flows out through the second air outlet (1100b). Explanation of the symbols

[0034] 1000 : Vehicle rear climate control unit 1100 : Case 1110 : Left case 1120 : Right case 1200: 1st switching door 1210: Rotating shaft 1220 : Body part 1220a : Guide groove 1221 : First body member 1222 : Second body member 1223 : Third body member 1230 : Plate part 1300 : Blower Unit 1400 : Evercore 1500 : PTC heater 1600 : Second switching door 1700 : Mode actuator

Claims

Claim 1 A case having a first air outlet and a second air outlet formed therein; a first switching door rotatably installed inside the case and selectively blocking the first air outlet; a blower unit positioned in front of the first switching door and blowing air; an evaporator positioned below the first switching door and cooling the air blown by the blower unit; and a PTC heater positioned behind the evaporator and heating the air blown by the blower unit. A vehicle rear air conditioning device comprising a second switching door rotatably installed at the lower part of the PTC heater and selectively blocking the second air outlet, wherein the first switching door comprises a rotating shaft rotatably installed in the case, a body part coupled to the lower part of the rotating shaft and rotating about the rotating shaft and having a guide groove formed therein for selectively guiding air cooled through the evercore to the first air outlet, and a plate part coupled to the upper part of the rotating shaft and rotating about the rotating shaft to open and close the first air outlet. Claim 2 A vehicle rear air conditioning device according to claim 1, wherein the plate portion is arranged at an angle of inclination when the body portion is adjacent to the evercore. Claim 3 A rear air conditioning device for a vehicle according to claim 1, wherein the plate portion is formed in a plate shape that becomes narrower in width as it extends upward from the rotation axis. Claim 4 A rear air conditioning device for a vehicle according to claim 1, wherein the case comprises a first partition disposed inside the case and positioned at the front of the body portion and stopping the body portion when the body portion rotates forward, and a second partition disposed inside the case and positioned at the rear of the plate portion and stopping the plate portion when the plate portion rotates backward, wherein when the body portion comes into contact with the first partition, air blown through the blower unit flows toward a second air outlet. Claim 5 A rear air conditioning device for a vehicle according to claim 1, wherein the case comprises a first stopper positioned inside the case and positioned at the rear of the body portion to stop the body portion when the body portion rotates rearward, and a second stopper positioned inside the case and positioned at the front of the plate portion to stop the plate portion when the plate portion rotates forward, wherein when the body portion comes into contact with the first stopper position, air blown through the blower unit flows toward the first air outlet. Claim 6 A rear air conditioning system for a vehicle according to claim 1, further comprising a mode actuator disposed outside the case and controlling the first switching door and the second switching door. Claim 7 A rear air conditioning device for a vehicle according to claim 1, wherein the body portion comprises a first body member coupled to the rotation axis, a pair of second body members spaced apart from each other in the width direction of the first body member and coupled to the first body member, and a third body member connected to the lower part of the first body member and the lower part of the pair of second body members at the front of the first body member and forming the guide groove between the first body member and the pair of second body members.

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