JPH055516U - Air conditioning heat exchanger - Google Patents

Abstract

(57) [Summary] [Purpose] It is an object of the present invention to provide a heat exchange device for air conditioning which is easy to install and has a high degree of freedom in layout. [Structure] A first molded product 6 having a plurality of radiating fins 5 on one surface, and a second molded product 9 having an inlet 7 for introducing hot water and an outlet 8 for discharging the hot water, which are in close contact with each other. A heater unit 4 including a chamber 10 for introducing hot water therein and connecting the first molded product 6 and the second molded product 9 to each other at least at one position between the plurality of radiating fins. And a plurality of radiating fins 5 of the heater unit are formed in the air-conditioning air passage 3
Attach it to the opening 15 so that it faces inside,
The heater unit 4 allows the opening 15 in the air passage 3 for air conditioning.
It has a structure in which is enclosed.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a heat exchange device for air conditioning.

[0002]

[Prior Art]

 Conventionally, the outside air or the inside air in the passenger compartment is guided to a heater unit to heat it to generate warm air, which is then sent through the air conditioning duct of the instrument panel to its side outlet, side demister outlet, center outlet, and feet. There is a heat exchange device for air conditioning, which supplies air from the air outlet or defroster to the inside of the vehicle to heat the inside of the vehicle.

In this heat exchange device for air conditioning, hot water from the engine is introduced to the heater unit by using a hot water flow hose, and hot water is returned to the engine using another hot water flow hose. Was common.

[0004]

[Problems to be solved by the device]

 By the way, in the heat exchange device for air conditioning as described above, it is generally difficult to connect the hot water flow hose in a narrow space under the center of the instrument panel. Since the heat exchanger made of resin was housed in a resin case and then mounted at a predetermined position, the work of mounting the heat exchange device for air conditioning was difficult.

In addition, since the heat exchange device for air conditioning as described above also has the blower motor unit, the blower motor unit occupies the space at the lower center of the instrument panel, so that the heater unit and the blower motor unit. The degree of freedom in the layout of the unit was low, and the degree of freedom in designing the shape of the heater unit was poor.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a heat exchange device for air conditioning, which is easy to install and has a high degree of freedom in layout.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention heats the outside air or the inside air to generate warm air, which is supplied to the vehicle interior through an air conditioning air passage arranged in the instrument panel. The heat exchange device for air conditioning described above comprises a first molded product having a plurality of heat radiation fins on one surface and a second molded product having an inlet for introducing hot water and an outlet for discharging it. A room for introducing the hot water is provided by closely adhering the first molded product and the second molded product to each other, and at least one position of the first molded product and the second molded product is provided in the position between the plurality of heat radiation fins. A heater unit is formed by connecting them to each other, while an opening is provided in the middle of the air conditioning air passage, and the heater unit is provided with a plurality of heat radiation fins facing the air conditioning air passage. air Attached to the opening of the road, it has been, has a configuration in which sealed the opening of the air passage for the air conditioning by the heater unit.

[0008]

【Example】

 Hereinafter, an embodiment of a heat exchange device for air conditioning according to the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 show an embodiment of the present invention. The air-conditioning heat exchange device 1 of this embodiment is directly attached to the air-conditioning duct 3 arranged in the instrument panel 2, and particularly has a heater unit 4 as shown in FIG. There is.

The heater unit 4 includes a first molded product 6 having a plurality of heat radiation fins 5 on one surface, and a second molded product 9 having an inlet 7 for introducing hot water and an outlet 8 for discharging the hot water. The first molded product 6 and the second molded product 9 are in close contact with each other at their peripheral edge portions 6a, 9a, and a chamber 10 for introducing the hot water is provided therein.

The plurality of heat radiation fins 5 are formed by bending a part of the first molded product 6 in a fold shape.

The first molded product 6 and the second molded product 9 are provided with four pairs of protrusions 11 and 12 corresponding to each other at, for example, four positions between the plurality of heat radiation fins 5. Note that FIG. 2 shows only the pair of protrusions 11 and 12.

The heater unit 4 has the above-mentioned four pairs of protrusions 11 and 12 contacted and connected to each other, so that not only at the outer peripheral edges 6a and 9a but also at these four locations, the first molded product is formed. 6 and the second molded product 9 are connected to each other.

The connection of these protrusions 11 and 12 prevents the heater unit 4 from expanding due to the internal pressure.

The first molded product 6 and the second molded product 9 of the heater unit 4 can be formed of resin by so-called injection molding or the like.

At the inlet 7 and the outlet 8 of the second molded product 9 of the heater unit 4, resin hot water flow hoses 13 and 14 each having one end connected to an engine (not shown) are welded in advance.

On the other hand, an opening 15 is provided in the middle of the air conditioning duct 3 in the instrument panel 2.

In the heat exchange device 1 for air conditioning of the present embodiment, the heater unit 4 is fitted in the opening 15 of the air conditioning duct in such a manner that the plurality of heat radiation fins 5 face the interior of the air conditioning duct 3. Installed.

As a result, the heater unit 4 closes the opening 15 of the air conditioning duct 3 and forms a part of the wall surface of the air conditioning duct.

The amount of hot water introduced into the heater unit 4 is switched and controlled by known valve means.

Next, the operation of this embodiment will be described. In the heat exchange device 1 for air conditioning of the present embodiment, since the heater unit 4 is directly attached to the air conditioning duct 3, the heater unit 4 and the blower motor unit (not shown) can be distributed and arranged. become.

As a result, unlike the conventional heater unit and blower motor unit, the central lower space of the instrument panel 2 is not occupied so much, and the layout inconvenience of the air conditioning heat exchange device 1 is eliminated. The degree of freedom in designing the shape of the heater unit also increases.

Further, the heater unit 4 is formed of resin without using metal such as copper or aluminum, and the hot water passage hoses 13 and 14 are also formed of resin, and the hot water passage hoses 13 and 14 are previously formed. Can be welded and connected to the heater unit 4.

This eliminates the need for the conventional connection work of the hot water flow hose in a narrow space, and allows the air conditioning heat exchange device 1 to be easily attached.

[0025]

[Effect of the device]

 As explained above, according to the heat exchange device for air conditioning of the present invention, the outside air or the inside air is heated to generate warm air, which is passed through the air conditioning air passage arranged in the instrument panel. In a heat exchange device for air conditioning adapted to supply the heat to the vehicle interior, a first molded product having a plurality of heat dissipation fins on one surface, a second molded product having an introduction hole for introducing hot water and a discharge hole for discharging it And a chamber for introducing the hot water into the inside by adhering the first molded product and the second molded product to each other, and at least at one position between the plurality of heat radiation fins. A first unit and a second unit are connected to each other to form a heater unit. On the other hand, an opening is provided in the middle of the air conditioning air passage. Facing the aisle As described above, the heater unit and the blower motor unit thereof can be distributed and arranged because the opening portion of the air conditioning air passage is sealed by the heat releasing means by being attached to the opening portion of the air conditioning air passage. become.

As a result, since the central lower space of the instrument panel is not largely occupied unlike the conventional heater unit and blower motor unit, the layout inconvenience of the air conditioning heat exchange device is eliminated, and The degree of freedom in designing the shape of the heater unit is increased, and the heat exchange device for air conditioning can be easily attached.

Further, the heater unit and the hot water passage hose are made of resin, and these hot water passage hoses are welded and connected to the heater unit in advance, whereby the hot water passage that has been performed conventionally has been achieved. The work of connecting the hose and the work of mounting the heat exchanger made of copper or aluminum in a resin case and then mounting it in place is not required. Can be further improved.

Further, if the parts of the heat exchange device for air conditioning are made of the same resin, it is easy to collect the parts in order to recycle resources.

Furthermore, if the air conditioning duct is formed integrally with the instrument panel and the heater unit of the present invention is incorporated in the instrument panel in advance, after the instrument panel is installed, It is only necessary to connect the hot water flow hose, which simplifies the assembly.

Moreover, since the present invention has a simple structure and is easy to implement, it brings industrially useful effects such as an advantage in manufacturing cost.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of an instrument panel to which a heat exchange device for air conditioning according to an embodiment of the present invention is applied.

FIG. 2 is a sectional view showing an essential part of a heat exchange device for air conditioning according to an embodiment of the present invention.

[Explanation of symbols]

 1 Air Conditioning Heat Exchanger 2 Instrument Panel 3 Air Conditioning Duct 4 Heater Unit 5 Radiating Fin 6 First Molded Product 7 Inlet 8 Outlet 9 Second Molded Product 10 Chamber 11, 12 Protrusion 13, 14 Hot Water Flow Hose 15 Aperture

Claims (1)

[Claims for utility model registration] [Claim 1] The outside air or the inside air is heated to generate warm air, which is supplied to the vehicle interior through an air conditioning air passage arranged in the instrument panel. In the heat exchange device for air conditioning, the first molded product having a plurality of heat radiation fins on one surface, and the second molded product having an inlet for introducing hot water and an outlet for discharging the hot water are provided. A molded product and a second molded product are brought into close contact with each other to provide a chamber for introducing the hot water therein, and the first molded product and the second molded product are provided at least at one position between the plurality of radiating fins. On the other hand, a heater unit formed by connecting them to each other is formed, and on the other hand, an opening is provided in the middle of the air conditioning air passage, and the heater unit is provided with a plurality of heat radiation fins facing the air conditioning air passage. Communication Of the opening, it has been air-conditioning heat exchanger, characterized in that sealing the opening of the air passage for the air conditioning by the heater unit.