KR101447072B1 - Header assembly of heat exchanger - Google Patents

Abstract

The header assembly of the disclosed heat exchanger is spaced from one another and comprises a pair of header-tanks formed by the combination of a tank and a header, a plurality of tubes connected to each of the pair of header-tanks, Wherein a plurality of projections are formed at regular intervals on either side of either one of the tank and the header, and the plurality of projections formed at one end and the other end with respect to the long axis are arranged asymmetrically Lt; / RTI > According to this, when a plurality of headers or tanks are processed in an aggregate form for mass production, each of the heads or the tanks can be disposed closer to each other than before, The amount of material to be supplied can be reduced. As a result, the header assembly of the heat exchanger assembled using the header or the tank of the above-described type can provide an advantage of reducing the production cost by reducing the material required amount.

Heat exchanger, header-tank

Description

HEADER ASSEMBLY OF HEAT EXCHANGER < RTI ID = 0.0 >

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a header assembly for a heat exchanger, and more particularly, to a header assembly for providing a flow path of a heat exchange fluid in a heat exchanger installed in an air conditioning system of an automobile or the like.

BACKGROUND ART A heat exchanger of an air conditioning system that maintains and manages a proper temperature in an automobile, a residential space, and an office space is installed on a flow path of a heat exchange fluid, and a heat exchange fluid flowing inside the heat exchange heat absorbs external heat, Thereby cooling / heating a predetermined space such as a vehicle interior or a building interior.

The heat exchanger includes an evaporator, a heater core, a condenser, a radiator, and the like. In an air conditioning case where the air blown by the blower exchanges heat to cool / Respectively.

Generally, the structure of the header assembly of the heat exchanger is such that tubes are coupled between a pair of header-tanks, and a pin for heat dissipation is coupled between the tubes.

The header-tank is a coupling structure of a header and a tank, and the coupling method can be variously changed according to the shape of the header.

That is, there is a method in which the tank is seated on a header without a fastening assisting device and the like, followed by brazing, or a method of coupling the header and the tank by a clip or a ring .

The method of joining the header and the tank without the fastening assisting device or the like may cause a problem of leaving the original normal position when an impact is applied during the manufacturing process in a simple assembled state before the joining by brazing is completed .

Further, there is a problem that the joint between the header and the tank is easily broken due to a high pressure generated in the product when the air conditioning system operates as a heat exchanger product after the fusion bonding by brazing is completed.

A method of coupling the header and the tank by the clip or the ring requires a separate component, thus increasing the number of parts assembled.

In order to solve the above problems, a method has been proposed in which after joining the tank on a header having a plurality of protrusions formed therein, the protrusions are bent so as to contact the outer circumferential surface of the tank, and the contacted portions are brazed to increase the mechanical strength.

1 is a perspective view schematically showing a header assembly of a conventional vehicular heat exchanger.

Referring to FIG. 1, a header assembly 10 of a vehicle heat exchanger includes a pair of header-tanks 11 spaced apart from each other by a predetermined distance to allow heat exchange fluid to flow in and out, A plurality of tubes 15 interposed between the plurality of tubes 15 so as to be connected to the vertically spaced header-tank 11, and a plurality of fins 16 interposed between the tubes 15 .

The header-tank 11 has a linear tube shape and is formed by coupling a tank 14 on a header 12. Projections 13 formed at both ends of the header 12 are connected to the tank 14, .

The heat exchange fluid flowing into the header-tank 11 through the tubes 15 and flowing out through the header-tank 11 on the other side is subjected to active heat exchange with the outside by the plurality of fins 16 Thereby cooling or heating.

FIG. 2 is a plan view schematically showing an initial state of a header formed with protrusions in the header assembly of FIG. 1. FIG.

2, the header 12 in an initial state before bending or the like is processed according to the shape of the tank 14 is provided with a plurality of protrusions (13) and a plurality of insertion holes (12a) formed at regular intervals so that the tubes (15) are inserted into the central part.

The protrusions 13 formed at one end of the header 12 and the protrusions 13 formed at the other end are formed at equal intervals and have a linear symmetry relationship with respect to the long axis center line C of the header.

According to the header 12 having the protrusions 13 having such a symmetrical structure, it is possible to show an improved effect rather than the above-mentioned coupling assisting device or the like by a clip or a ring. However, There is an increasing problem.

FIG. 3 is a plan view schematically showing an aggregate of the headers of FIG. 2. FIG.

Referring to FIG. 3, the header assembly 17 is formed by forming a sheet material (not shown) in a mold (not shown) through a processing process so that a plurality of the headers 12 .

Each of the plurality of the headers 12 is provided with a plurality of projections 13 having a line symmetry relationship with the center line C of the long axis so that adjacent projections 13 ' It is a form facing each other.

Therefore, the amount of material corresponding to the space between the header 12 is inevitably consumed, and consequently, the production cost of mass production of the header assembly 10 of the heat exchanger is increased.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a header assembly for a heat exchanger that can be economically produced by reducing the material required for a header.

The header assembly of the heat exchanger according to the present invention comprises a pair of header-tanks spaced apart from each other and formed by a combination of a tank and a header, a plurality of tubes connected to each of the pair of header- A plurality of projections formed at both ends of one of the tank and the header, the plurality of projections being formed at regular intervals, and the plurality of projections formed at one end and the other end with respect to the long axis, May be asymmetric with respect to each other.

The plurality of protrusions formed at the one end may be disposed between the plurality of protrusions formed at the other end, and may be deflected toward one side.

The distance between each of the protrusions formed at the one end portion and the protrusions formed at the other end portion adjacent to the one end portion may be within 2 mm to 100 mm.

According to the header assembly of the heat exchanger of the present invention, when a plurality of headers or tanks are processed in an aggregate form for mass production, each of the headers or the tanks can be arranged closer to each other than the conventional ones, It is possible to reduce the amount of material to be supplied for the production of a plurality of headers or tanks.

As a result, the header assembly of the heat exchanger assembled using the header or the tank of the above-described type can provide an advantage of reducing the production cost by reducing the material required amount.

Hereinafter, a header assembly according to the present invention and a header assembly of a heat exchanger having the header will be described in detail with reference to the accompanying drawings.

4 is a perspective view schematically showing a header assembly of a heat exchanger according to an embodiment of the present invention, FIG. 5 is an exploded perspective view schematically illustrating the header assembly of FIG. 4, and FIG. 6 is a cross- Sectional view schematically showing the header-tank according to the present invention.

4 through 5, the header assembly 100 of the heat exchanger may include a pair of header-tanks 110, a plurality of tubes 130, and a plurality of pins 131. [

The pair of header-tanks 110 may be arranged in parallel to each other with a predetermined interval therebetween.

Each of the pair of header-tanks 110 is connected to a tank 115 on a header 111, and either one of the header 111 and the tank 115, the header 111 or the tank 115 A plurality of protrusions 112 may be formed so as to be in contact with the outer circumferential surface of the other side.

Hereinafter, the plurality of protrusions 112 are formed on the header 111 only.

The header 111 and the tank 115 may have a shape similar to a semicircular shape and may be coupled to the inner surface of the header 111 such that the outer surface of the tank 115 is in contact with the header 111, The protrusions 112 formed on both side ends of the tank 115 may surround the tank 115 and fix the tank 115 on the header 111. [

The plurality of projections 112 facilitate the coupling of the header 111 and the tank 115, and improve the mechanical stability after the coupling.

Both ends of the pair of header-tanks 110 may be sealed by an end cap 140.

An inlet pipe 151 is connected to the header-tank 110 of one of the pair of header-tanks 110 and an outlet pipe 152 is connected to the header- The heat exchange fluid can flow into and out of the pair of header-tanks 110.

The plurality of tubes 130 may be coupled to each of the pair of header-tanks 110 at both ends thereof.

The plurality of pins 131 may be interposed between the plurality of tubes 130. In order to reinforce the plurality of tubes 130 and the plurality of pins 131, A side support 132 may be coupled.

In the header assembly 100, the heat exchange fluid flows into the header-tank 110 through the inlet pipe 151 and flows along the tubes 130 to the header-tank 110 of the other side. And then discharged through the outlet pipe 152.

The heat exchange fluid flowing along the path may pass through the tubes 130 and actively heat-exchange with the outside air through the plurality of fins 131 to be cooled or heated.

7 is a plan view schematically showing an initial state of a header among the header assemblies of FIG.

Referring to FIG. 7, the header 111 shows an initial state before bending or the like is performed according to the shape of the tank 115, and a plurality of inserts (not shown) A hole 113 may be formed, and a plurality of protrusions 112 may be formed at both side ends.

The plurality of protrusions 112 formed at one end of the header 111 and the plurality of protrusions 112 formed at the other end may be asymmetric with respect to the long axis center line C of the header.

The plurality of protrusions 112 formed at the one end of the asymmetric relation are disposed between the plurality of protrusions 112 formed at the other end of the protrusions 112 so as to be deflected in one direction, 111 in a zigzag fashion.

8 is a plan view schematically showing an aggregate of the headers of Fig.

Referring to FIG. 8, the header assembly 120 may be formed by processing a material (not shown) in the form of a plate material in a mold (not shown) when massaging the header 111, A plurality of headers 111 may be coupled to the frame 121 or the square frame 121 at regular intervals.

A plurality of protrusions 112 formed at one end of the header 111 may include a plurality of protrusions 112 'formed at the other end of the adjacent header 111' As shown in FIG.

That is, conventionally, a plurality of protrusions 112 formed at one end of an arbitrary header 111 correspond to a plurality of protrusions 112 'formed at the other end of an adjacent header 111' in a one-to-one correspondence with each other The protrusions 112 formed at one end of an arbitrary header 111 may be staggered between the protrusions 112 'formed at the other end of the adjacent header 111' in the present invention.

However, the protrusions 112 formed at one end of the arbitrary header 111 and the protrusions 112 'formed at the other end of the adjacent header 111' are adjacent to each other, and between the adjacent protrusions 112 and 112 ' The distance G may be within a range of 2 mm to 100 mm in a direction parallel to the long axis.

If the distance between the header 111 and the tank 115 is less than 2 mm, the protrusions 112 and 112 'may stick to each other during the manufacturing process. If the distance is larger than 100 mm, the number of the protrusions 112 and 112' The bonding force can be reduced at the time of bonding.

According to the form of the header 111 according to the present invention, when a plurality of the headers 111 are processed in the form of the aggregate 120 for mass production, each of the heads 111 is arranged closer to each other than the conventional one It is possible to reduce the amount of material to be supplied for producing the plurality of headers 111.

As a result, the header assembly 100 of the heat exchanger assembled using the header 111 of the above-described type can provide an advantage of reducing the production cost by reducing the amount of material required.

1 is a perspective view schematically showing a header assembly of a conventional vehicular heat exchanger;

FIG. 2 is a plan view schematically showing an initial state of a header formed with protrusions in the header assembly of FIG. 1. FIG.

Fig. 3 is a plan view schematically showing the aggregate of the headers of Fig. 2; Fig.

FIG. 4 is a perspective view schematically illustrating a header assembly of a heat exchanger according to an embodiment of the present invention; FIG.

Figure 5 is an exploded perspective view schematically illustrating the header assembly of Figure 4;

6 is a cross-sectional view showing a header-tank according to line I-I 'of FIG. 4;

FIG. 7 is a plan view schematically showing an initial state of a header among the header assemblies of FIG. 4;

Fig. 8 is a plan view schematically showing the aggregate of the headers of Fig. 7; Fig.

Description of the Related Art

100 ... header assembly 110 ... header-tank

111 ... header 112 ... projection

113 ... tank 130 ... tube

131 ... pin 151 ... inlet pipe

152 ... outlet pipe

Claims (3)

A pair of header-tanks 110 spaced apart from each other and formed by the combination of the tank 115 and the header 111 and a plurality of tubes 130 connected to the pair of header- And a plurality of fins (131) interposed between the plurality of tubes (130), the header assembly (100) A plurality of protrusions 112 for fixing the tank 115 and the header 111 are formed on both side ends of at least one of the tank 115 and the header 111, The plurality of protrusions 112, formed at one end and the other end, respectively, with respect to the major axis line C are asymmetrical with respect to each other, The protrusion 112 formed at the one end portion is disposed between the pair of protrusions 112 formed at the other end portion and is deflected toward one of the pair of protrusions 112, Of each of the protrusions 112 formed at one end of the arbitrary header 111 and the protrusions 112 'formed at the other end of the header 111' adjacent to the arbitrary header 111, ) Is in the range of 2 mm to 100 mm. delete delete

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