KR20040079766A - Air conditioning device for Vehicles - Google Patents

Abstract

PURPOSE: An air conditioner for a vehicle is provided to minimize the number of separating parts and operation processes in after-sales service of a blower motor and to repair the blower motor in a vehicle room by selectively mounting a motor wheel assembly to the left or right side of a blower unit and positioning the blower unit between an evaporator and a dash panel. CONSTITUTION: An air conditioner for a vehicle is composed of an intake unit(110) for selectively sucking in the internal or external air; a blower unit(120) having a blower wheel(123) and a blower motor(122) forcibly sending the internal and external air into an air conditioner case(100); the air conditioner case having an air flow passage(101), an air inlet(102), and an air outlet(103); a plurality of doors(130) installed in the air conditioner case to open and close the air flow passage, the air inlet, and the air outlet; and an evaporator(104) and a heater core(105) mounted in the air flow passage in order. The blower motor and the blower wheel are disposed to the left or right side of the blower unit to the change of a driver's seat.

Description

Air conditioning device for vehicles

The present invention relates to a vehicle air conditioner, and more particularly, to enable the after-sales service of the blower motor in the center mounting system, as well as cost reduction and engine room and passenger room through common parts. (Passenger Room) It is about vehicle air conditioner which can make full use of space.

In general, an air conditioner of a vehicle is for cooling or heating an interior of a vehicle by introducing air outside the vehicle into a vehicle interior or by heating or cooling in the process of purifying the air in the vehicle interior. An evaporator for a cooling operation and a heating operation Heater core for circulating the air cooled or heated by the evaporator or heater core into the vehicle.

1 is a cross-sectional view illustrating a conventional center mounting system. As shown in FIG. 1, an air inlet 10 is provided at one side and an air outlet 11 is provided at the other side of the air inlet 10. An airflow case (2) having an air flow passage (not shown) for communicating with the discharge port (11); A blower unit (20) installed at a lower side of the air conditioning case (2) and equipped with a blower motor and a blower wheel for forcibly blowing internal and external air introduced through the air inlet (10) into the cabin; A plurality of doors (not shown) installed inside the air conditioning case 2 to open and close the air inlet 10 and the air outlet 11 and an air flow passage; It consists of an evaporator (3) and a heater core (4) which are sequentially installed in the air conditioning case (2).

According to the center mounting system as described above, the air introduced into the air conditioning case 2 by the operation of the blower unit 20 is cooled or heated in the process of passing through the evaporator 3 and the heater core 4, and thus cooling or heating. The supplied air is supplied into the vehicle interior through the defrost 12, the face 13, and the floor of the air outlet 11, thereby cooling or heating.

However, when the air conditioning apparatus 1 is installed in a vehicle, a large volume thereof protrudes toward the engine room side, which is inefficient in utilizing the space of the engine room, and during the A / S of the blower motor, work must be performed in the engine room. After disassembling the instrument panel, there is a problem that requires a lot of labor and time, such as the air conditioner (1) must be completely separated.

In addition, since the blower unit 20 has to be managed to a separate specification because the air conditioner (1) has to design a separate blower unit 20 according to the left and right sides of the vehicle driver's seat to change the mounting position of the motor. There were many problems in productivity.

An object of the present invention for solving the above problems is to make the A / S of the blower motor in the vehicle in the center mounting system to reduce the A / S time and to maximize the engine room and passenger room space To provide a vehicle air conditioning apparatus that can be.

Still another object is to provide a vehicle air conditioner that can be used by using the blower unit in response to changes in the driver's seat.

The present invention for achieving the above object is an intake unit for selectively introducing the internal and external air; A blower unit having a blower motor and a blower wheel for forcibly blowing internal and external air introduced through the intake unit into the air conditioning case; An air conditioning case 20 having an air flow passage 23, an air inlet 24, and an air outlet 25; A plurality of doors installed inside the air conditioning case 20 to open and close the air flow passage 23, the air inlet 24, and the air outlet 25; In the vehicle air conditioning apparatus comprising a; evaporator and a heater core which is sequentially installed on the air flow path, the blower motor and the blower wheel is characterized in that configured to be installed on the left or right of the blower unit in accordance with the change of the driver's seat It is done.

1 is a cross-sectional view showing a conventional air conditioner,

2 is a perspective view showing an air conditioning apparatus according to the present invention;

3 is a cross-sectional view showing an air conditioning apparatus according to the present invention;

Figure 4 is a side view showing a motor wheel assembly in the air conditioning apparatus according to the present invention,

5 is a front view showing the motor wheel assembly in the air conditioning apparatus according to the present invention.

<Description of Signs of Major Parts of Drawings>

1: HVAC device 100: HVAC case

101: air flow passage 102: air inlet

103: air outlet 104: evaporator

105: heater core 110: intake unit

120: blower unit 120a: scroll portion

121: motor wheel assembly 122: blower motor

123: blower wheel 124: inlet ring

125: bracket 126: arm

127: housing 130: door

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

The same parts as in the prior art are denoted by the same reference numerals, and repeated description thereof will be omitted.

Figure 2 is a perspective view showing an air conditioning apparatus according to the invention, Figure 3 is a cross-sectional view showing an air conditioning apparatus according to the invention, Figure 4 is a side view showing a motor wheel assembly in the air conditioning apparatus according to the invention, Figure 5 Front view showing the motor wheel assembly in the air conditioner according to the invention.

As shown, the air conditioner 1 of the present invention comprises an intake unit 110 for selectively introducing the internal and external air; A blower unit (120) provided with a blower motor (122) and a blower wheel (123) for forcibly blowing internal and external air introduced through the intake unit (110) into the air conditioning case (100); An air conditioning case (100) having an air flow passage (101), an air inlet (102) and an air outlet (103); A plurality of doors 130 installed inside the air conditioning case 100 to open and close the air flow passage 101, the air inlet 102, and the air outlet 103; And an evaporator 104 and a heater core 105 which are sequentially installed on the air flow passage 101.

In the above air conditioning apparatus 1, the blower unit 120 according to the present invention is installed to be located between the dash panel and the evaporator 104 of the vehicle.

The outer side of the singer blower unit 120 is formed in the form of a scroll 120a communicates with the air inlet 102 and the intake unit 110 is installed to communicate with one side or both sides.

In addition, a motor wheel assembly 121 is mounted inside the blower unit 120, and the motor wheel assembly 121 is coupled to a blower motor 122 and a rotation shaft of the blower motor 122 to form a motor 122. Blower wheel 123 that rotates with the driving force of the) and the housing 127 for mounting the blower motor 122 to the blower unit 120 side.

The housing 127 is formed with a hollow inlet ring 124 so that air can be introduced by the rotation of the blower wheel 123, the blower motor 122 to the inside of the inlet ring 124 A plurality of mounting brackets 125 are formed at predetermined intervals so that the arm 126 for fixing the connection is extended and mounted to the blower unit 120 side.

The housing 127 is configured to be coupled to the scroll portion 120a of the blower unit 120 to be a part thereof.

As described above, the motor wheel assembly 121 is mounted inside the blower unit 120 and is coupled to the bracket 125 formed in the housing 127 by a screw, and the intake unit 110 on one side or both sides thereof. ) Will be mounted.

Therefore, the internal and external air selectively introduced into the intake unit 110 are forced through the inside of the blower unit 120 due to the rotation operation of the motor wheel assembly 121 to be forced into the air conditioning case 100. It is blowing.

In addition, the motor wheel assembly 121 may be selectively mounted on the left or right side of the blower unit 120 in response to the left and right side changes of the vehicle driver's seat, thereby sharing the motor wheel assembly 121 in a center mounting system. It can bring down cost savings.

In addition, the air conditioner (1) can be utilized to the space of the engine room and passenger room as it is mounted in the passenger room space without invading the dash panel line when installed in the vehicle.

In addition, the groove box (not shown) and the intake unit 110 are first separated in order to exchange the motor 122 during the A / S of the blower motor 122, and then the mounting screw of the housing 122 of the motor 122 is removed. By removing the motor wheel assembly 121 can be separated.

In other words, by minimizing the separation parts during blower motor 122 A / S to minimize the work maneuver and to make all this work possible in the vehicle interior.

In the vehicle air conditioner according to the present invention configured as described above, the motor wheel assembly can be selectively mounted on the left or right side of the blower unit in response to the left, right side change of the vehicle driver's seat and the blower unit By being located between the dash panel of the vehicle, minimizing the workmanship by minimizing the separate parts during blower motor A / S, and the A / S of the blower motor is possible in the cabin, it is possible to reduce the cost through common parts.

In addition, by installing the center mounting system without invasion of the dash panel line when the air conditioner is installed, it is possible to make the most of the engine room and passenger room space in the vehicle design.

Claims (3)

An intake unit 110 for selectively introducing internal and external air; A blower unit (120) provided with a blower motor (122) and a blower wheel (123) for forcibly blowing internal and external air introduced through the intake unit (110) into the air conditioning case (100); An air conditioning case (100) having an air flow passage (101), an air inlet (102) and an air outlet (103); A plurality of doors 130 installed inside the air conditioning case 100 to open and close the air flow passage 101, the air inlet 102, and the air outlet 103; In the air conditioning apparatus for a vehicle comprising a; evaporator 104 and heater core 105 which are sequentially installed on the air flow passage 101, The blower motor 122 and the blower wheel 123 is configured to be installed on the left or right side of the blower unit 120 according to the change of the driver's seat. The blower motor 122 is fixed to a housing 127 including an inlet ring 124 formed to allow air to flow therein and a plurality of brackets 125 formed on an outer circumferential surface of the inlet ring 124. Vehicle is mounted on the blower unit (120). 3. The vehicle air conditioner according to claim 2, wherein the housing (127) of the blower motor (122) is configured to be coupled to the scroll portion (120a) side of the blower unit (120) to be a part thereof.