KR20040107762A - Blower for automobile air conditioning device - Google Patents

Abstract

PURPOSE: A blower system for an air conditioner of a vehicle is provided to cut down the manufacturing cost and the number of work processes and to restrict passengers from getting burn without a pipe fixing clamp by extending a supporting plate at the side of an outlet unit of the blower system combined with an air conditioner case to fix a heat exchanger pipe drawn out of the air conditioner case. CONSTITUTION: A blower system(100) for an air conditioner of a vehicle is composed of an inlet unit(101) comprising internal and external air inlet ports(111,112) for moving in both the internal and external air; an outlet unit(102) combined with an inlet of an air conditioner case(10) to exhaust the sucked air; a switch door(113) for opening and closing selectively the internal and external air inlet ports; a blower for forcibly sending the air; and a fixing unit(150) installed at the outlet unit to fasten and support a heat exchanger pipe(3a) drawn out of the air conditioner case.

Description

Blower for automobile air conditioning device

The present invention relates to a blower for an automotive air conditioner, and more particularly, by separately forming a support plate on one side of an outlet of the blower to fix a heat exchanger pipe drawn out of the air conditioning case. The present invention relates to a blower for an automotive air conditioner that can reduce manufacturing costs and labor, and prevent passenger burns.

A general vehicle air conditioning system is for cooling or heating an interior of a vehicle by introducing air outside the vehicle into the vehicle interior or by heating or cooling the air in the interior of the vehicle. The evaporator for cooling and heating is performed. It comprises a heater core and an air conditioner for circulating the air cooled or heated by the evaporator or the heater core into the vehicle.

Referring to the air conditioning apparatus of the semi-center type (Semi-center type) of the above described as an example, as shown in Figure 1, the air inlet 12 is formed on the inlet side and the defrost vent 13 on the outlet side ), A face vent 14, and a floor vent 15 are formed, and an air conditioning case 10 having a flow path 11 therein to communicate the air inlet 12 with the vents 13, 14, 15. ), The evaporator 2 and the heater core 3 which are sequentially installed on the flow path 11 of the air conditioning case 10, and the air blown through the evaporator 2 are selectively selected to the heater core 3. A plurality of mode doors 17 for selectively instructing and distributing air through the temper door 16 and the heater core 3 selectively guided to each duct (not shown) communicating with a specific position in the vehicle interior are guided. It is configured to include.

In addition, an air blower 40 for selectively introducing internal and external air and forcibly blowing air to the air inlet 12 of the air conditioning case 10 is installed.

According to the air conditioning apparatus 1, the air introduced into the air conditioning case 10 by the blower 40 passes through the evaporator 2, and the air passes through the heater core 3 by the temporal door 16. Cooling or heating in the process of selectively passing, the cooling or heating air is supplied to the interior of the vehicle through each duct connected to the defrost 13, the face 14, the floor vent 15 to cool or heat This is done.

On the other hand, during heating, two pipes 3a for inflow / outtake of the coolant are provided in the heater core 3 so that the heated coolant from the engine passes through the heater core 3 and flows back to the engine or the radiator. The pipe 3a is drawn out to the outside of the air conditioning case 10 in a constant shape and length so as to be connected to an engine seated at a predetermined position in the vehicle engine room.

In addition, the pipe (3a) is installed to be fixed to the outer surface of the air conditioning case 10 by a separate clamp (30) to prevent movement, and a separate cover (20) to prevent the burn of passengers the pipe ( It is installed to surround 3a).

As shown in FIG. 2, the clamp 30 has receiving grooves 32 formed to receive and support the pipes 3a on both sides of the plate-shaped body 31, respectively, so that the outer surface of the air conditioning case 10 is provided. Is fixed by bolts (4) on it.

However, in the related art, as the separate clamps 30 need to be manufactured to fix the two pipes 3a, a manufacturing cost increases, as well as a workman of coupling and fixing the clamps 30 to the air conditioning case 10. There was a growing problem.

An object of the present invention for solving the above problems is to provide a fixing means on one side of the outlet portion of the blower coupled to the air conditioning case to fix the pipe does not require a separate fixing clamp manufacturing cost and labor In addition, the present invention provides a blower for a vehicle air conditioner which can reduce passengers' burns.

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

2 is a perspective view showing a state in which a heat exchanger pipe is fixed with a clamp in a conventional air conditioner;

3 is a perspective view showing a state in which the blower and the air conditioning case according to the present invention is separated,

4 is an enlarged perspective view illustrating a state in which a heat exchanger pipe is fixed by coupling a blower and an air conditioning case according to the present invention;

5 is a cross-sectional view showing a blower according to the present invention.

<Description of Signs of Major Parts of Drawings>

1: air conditioning system 3a: pipe

10: air conditioning case 12: air inlet

100: blower 101: inlet

102; Outlet 110: Inlet duct

111: inlet for inlet 112: outside inlet

113: conversion door 114: inlet chamber

120: inlet ring 121: Bellemouth

130: scroll case 131: blower

132: motor 133: ventilation chamber

150: fixing means 151: support plate

152: receiving groove 153: coupling means

154: bolt

The present invention for achieving the above object is the inlet portion consisting of the internal, external air inlet so that the internal, external air can be introduced; An outlet portion coupled to the inlet side of the air conditioning case while discharging the introduced air; In the blower for the vehicle air conditioner comprising a switching door for selectively opening and closing the internal and external air inlet and a blower for forcibly blowing air, the outlet portion is fixedly supported by the heat exchanger pipe drawn out of the air conditioning case It is characterized in that the fixing means is provided to be.

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 3 is a perspective view showing a state in which the blower and the air conditioning case is separated according to the present invention, Figure 4 is an enlarged perspective view showing a state in which the heat exchanger pipe is fixed by combining the blower and the air conditioning case according to the invention, 5 is a cross-sectional view showing a blower according to the present invention.

As shown, first, the blower 100 of the present invention is configured by combining the inlet duct 110, the inlet ring 120 and the scroll case 130 in sequence.

First, the inlet duct 110 is provided with an inlet portion 101 formed with an internal air inlet 111 and an external air inlet 112 on the upper side, and the internal and external air inlets 111 and 112 according to the internal and external air modes. Inner and outer air switching door 113 to selectively open and close the) is rotatably installed. In addition, the inlet duct 110 is open at the lower side such that air flowing into the internal and outdoor air inlets 111 and 112 may be introduced into the scroll case 130 through the inlet ring 120.

Next, the inlet ring 120 is coupled between the inlet duct 110 and the scroll case 130 so as to separate the upper and lower portions into the inlet chamber 114 and the blower chamber 133, respectively.

In addition, a bell mouse 121 is formed at the center of the inlet ring 120 so as to communicate up and down, and the air flowing through the internal and external air inlets 111 and 112 may flow toward the scroll case 130. It is supposed to be.

The scroll case 130 is coupled to the lower side of the inlet duct 110 and has a scroll-shaped blower 133 provided with a blower 131 therein, and drives the blower 131 below. The motor 132 is installed. And, one side is formed with an outlet 102 extending to a predetermined length so that the air introduced into the air outlet 12 of the air conditioning case 10 is discharged.

The blower 100 is fixed to a plurality of bolts 4 after the outlet 102 is coupled to the air inlet 12 which is the inlet side of the air conditioning case 10.

Therefore, internal and outdoor air selectively introduced through the inlet 101 of the blower 100 flows through the bell mouse 121 of the inlet ring 120 to the blower chamber 133 and continues to blower. Internal and external air flows into the air-conditioning case 10 through the outlet portion 102 of the blower 100 by the rotation of the air blower 100, and then passes through a heat exchanger such as an evaporator 2 and a heat core 3. While being heat exchanged and discharged into the cabin.

In the above blower, the outlet part 102 is provided with fixing means 150 to fix and support the two heat exchanger pipes 3a drawn out of the air conditioning case 10.

The fixing means 150 is a support plate 151 of a predetermined width and length is formed extending to one side of the outlet portion 102, the receiving plate 151 is a receiving groove 152 to partially wrap the pipe (3a) Formed and configured.

Here, the receiving groove 152 is preferably formed at two spaced apart a predetermined interval and will accommodate the two pipe (3a), respectively.

In addition, the support plate 151 is provided with a coupling means 153 to be coupled to the outer surface of the air conditioning case 10.

The coupling means 153 is formed by a bolt hole 154 formed on the support plate 151 is coupled to the outer surface of the air conditioning case 10 and the bolt (4).

Here, when the outlet portion 102 of the blower 100 is coupled to the air inlet 12 side of the air conditioning case 10, the bolts 4 are fixed to each other. In this case, the air blower 100 is air-conditioned. One of the bolts 4 for fixing to the case 10 is used to couple and fix the support plate 151 to the outer surface of the air conditioning case 10.

That is, the bolts 4 for fixing the support plate 151 to the air conditioning case 10 are not only fixed to the support plate 151 but also fixed to the blower 100.

Therefore, no additional work for fixing the pipe 3a is necessary.

In addition, the support plate 151 is coupled to surround a portion of the pipe (3a) to prevent the burn of the passenger, the remaining open portion of the pipe (3a) is covered with a cover 20 is protected.

As described above, according to the blower for the vehicle air conditioner of the present invention, by forming the support plate 151 integrally formed on one side of the outlet portion 102 of the blower 100 when the combination with the air conditioning case 10 The support plate 151 accommodates and supports the two heat exchanger pipes 3a drawn out of the air conditioning case 10, and at this time, a bolt 4 for fixing the blower 100 to the air conditioning case 10. Are fixed at the same time.

Therefore, there is no need for a separate clamp 30 (conventional) for fixing the heat exchanger pipe 3a to the air conditioning case 10 side, and there is no separate work process.

As described above, in the present invention, the fixing means 150 is integrally formed at one side of the outlet portion 102 of the blower 100 to fix the heat exchanger pipe 3a to the air conditioning case 10 side. However, the fixing means 150 may be variously modified within the scope of the present invention.

As described above, according to the present invention, there is no need for a separate pipe fixing clamp by forming a support plate on one side of an outlet portion of the blower coupled to the air conditioning case to fix the heat exchanger pipe drawn out of the air conditioning case. This reduces manufacturing costs, reduces labor, improves productivity, and prevents passenger burn hazards.

Claims (4)

An inlet part 101 including internal and external air inlets 111 and 112 to allow internal and external air to flow therethrough; An outlet 102 coupled to the inlet side of the air conditioning case 10 while discharging the introduced air; In the blower for the vehicle air conditioner comprising a switching door 113 for selectively opening and closing the internal and outdoor air inlets 111 and 112 and a blower 131 for forcibly blowing air, The outlet unit 102 is a blower for an automotive air conditioning apparatus, characterized in that the fixing means 150 is provided to support the heat exchanger pipe (3a) drawn out of the air conditioning case (10). The method of claim 1, wherein the fixing means 150 is a support plate 151 is formed to extend to one side of the outlet portion 102 and the support plate 151 to accommodate the heat exchanger pipe (3a) a part of the receiving groove ( Blower device for an automotive air conditioning apparatus, characterized in that formed 152). The air conditioner of claim 2, wherein the support plate (151) is provided with a coupling means (153) to be coupled to the air conditioning case (10). 4. The vehicle air conditioner according to claim 3, wherein the coupling means 153 is formed by a bolt hole 154 formed on the support plate 151 and coupled to the air conditioning case 10 side and the bolt 4. Blower for the device.