KR101011141B1 - Plates for Laminated Heater Cores - Google Patents

Abstract

The present invention relates to a plate for a laminated heater core, and more particularly, to form a bead in various shapes on a flow path of a tube to improve strength and durability, and to improve heat exchange performance by turbulizing cooling water flowing in the flow path. It relates to a plate for a heater core.

In the present invention, the upper and lower tanks 112 and 112a made of a cup 113; A flow passage 114 communicating the upper and lower tanks 112 and 112a; Bonding beads 118 are formed by joining the protruding bead 117, which protrudes inwardly from each other to face each other, and the opposing beads of the protruding bead 117, in order to make the working fluid flowing in the flow passage 114 turbulent. The bead row 116 is formed of a tube 110 consisting of a heat exchange unit 115 provided with a plurality of rows along the flow path (114).

Heat Exchanger, Heater Core, Plate, Tube, Bead

Description

Plate for Laminated Heater Core

1 is a perspective view showing a conventional heater core,

2 is a perspective view showing a heater core according to the present invention;

Figure 3 is an exploded perspective view showing a tube in the heater core of the present invention,

4 is a perspective view and a partial sectional view showing a tube according to the first embodiment of the present invention;

5 is a perspective view and a partial cross-sectional view showing a modified state of the bead arrangement of the tube in FIG.

6 is a perspective view and a partial cross-sectional view showing a modified state of the bead arrangement of the tube in FIG.

7 is a perspective view and a partial cross-sectional view showing a state in which the tube is deformed according to the first embodiment of the present invention;

8 is a perspective view and a partial cross-sectional view showing a tube according to a second embodiment of the present invention;

9 is a perspective view and a partial cross-sectional view showing a state in which the tube is deformed according to the second embodiment of the present invention;

10 is a perspective view and a partial cross-sectional view showing a tube according to a third embodiment of the present invention.

<Description of Signs of Major Parts of Drawings>

100: heater core 101,112: upper tank

102, 112a: lower tank 103: heat dissipation fin

104: side support 105: inlet pipe

106; Outlet pipe 110: tube

111,111a: plate 113: cup

114: euro 115: heat exchange unit

116,116a, 116b, 116c: bead row

117: protruding beads 118: bonding beads

120: rectangular bead row 121: rectangular bonded beads

The present invention relates to a plate for a laminated heater core, and more particularly, to form a bead in various shapes on a flow path of a tube to improve strength and durability, and to improve heat exchange performance by turbulizing cooling water flowing in the flow path. It relates to a plate for a heater core.

The heat exchanger is a device that allows the working fluid and the outside air to be exchanged by providing a flow path through which the working fluid flows. It is used in various air-conditioning apparatuses. Many different formats are used.

In the heat exchanger, a common heater core 1 using cooling water as a working fluid includes upper and lower header tanks 2 and 3 arranged side by side at a predetermined interval, as shown in FIG. And a plurality of tubes 4 connecting the upper and lower header tanks 2 and 3 so as to communicate with each other, a plurality of heat dissipation fins 5 interposed between the tubes 4, and The upper and lower header tanks (2) (3) consists of inlet and outlet pipes (7) (8) connected to inlet and discharge the cooling water at a predetermined position, respectively.

And, in order to reinforce the tubes 4 and the heat dissipation fins 5, side supports 6 are provided at their outermost sides.

Here, the inlet and outlet pipes 7 and 8 may be selectively installed in various directions of the header tanks 2 and 3 according to the purpose of use.

Therefore, the cooling water flows into the lower header tank 3 while passing through the tubes 4 after being filled and filled into the upper header tank 2 through the inlet pipe 7.

Subsequently, the cooling water flowing into the lower header tank 3 is discharged through the outlet pipe 8.

In addition, the cooling water is to perform an active heat exchange with the outside air while passing through the tubes (4).

However, the conventional heater core tube (4) is made of a flat type having a constant length and width, there is no structure for additional strength reinforcement, so if the pressure of the cooling water flowing in the tube (4) increases, the tube ( There was a problem that the strength and durability were weak such as cracks in 4).

In addition, the inner surface of the tube 4 flowing in contact with the coolant also has a flat surface, which does not greatly help heat exchange efficiency.

SUMMARY OF THE INVENTION An object of the present invention for solving the above-described problems is to form a portion of the joint beads, some of which are joined and some of which are not bonded, in order to increase the heat exchange area on the tube flow path and turbulence the flowing cooling water. To improve the strength and durability of the present invention and to provide a plate for laminated heater core with improved heat exchange performance.

The present invention for achieving the above object is made of a cup upper, lower tank; A flow path communicating the upper and lower tanks; In order to turbulize the working fluid flowing in the flow path, a plurality of rows of bead rows are formed along the flow path, including a plurality of bead rows formed by protruding beads formed by protruding inwardly facing each other facing each other and opposing beads among the protruding beads. Characterized in that the tube consisting of a heat exchanger.

In addition, the upper and lower tanks made of a cup; A flow path communicating the upper and lower tanks; In order to turbulize the working fluid flowing in the flow path, a rectangular bead row consisting of rectangular joint beads formed by joining protruding inner sides of the two opposite sides, respectively, constitutes a tube composed of heat exchange parts provided with a plurality of rows along the flow path. do.

In addition, the upper and lower tanks made of a cup; A flow path communicating the upper and lower tanks; In order to make the working fluid flowing in the flow path turbulent, a joint bead row consisting of a projecting bead row in which projecting beads formed by protruding inwardly on both sides facing each other and cross-joint beads and joining beads joining the protruding beads to each other forms the flow path. It characterized by forming a tube consisting of a heat exchanger provided alternately.

Hereinafter, exemplary embodiments of 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 a heater core according to the present invention, Figure 3 is an exploded perspective view showing a tube in the heater core of the present invention, Figure 4 is a perspective view and a partial cross-sectional view showing a tube according to a first embodiment of the present invention. 5 is a perspective view and a partial cross-sectional view showing a modified state of the bead arrangement of the tube in FIG. 4, FIG. 6 is a perspective view and a partial cross-sectional view illustrating a modified state of the bead arrangement of the tube in FIG. A perspective view and a partial sectional view showing a state in which a tube is deformed according to the first embodiment of the present invention.

Heater core 100 of the present invention, the plurality of tubes 110 having a tank 112, 112a consisting of a cup 113 on the top, bottom, respectively, by stacking the flow path 114 of each tube 110 It is provided with upper and lower tanks 101 and 102 in the longitudinal direction in communication with each other, and the heat dissipation fin 103 for promoting heat exchange is interposed between the tubes 110.

In addition, a side support 104 is provided at the outermost side thereof to reinforce the tube 110 and the heat dissipation fins 103.

In addition, inlet and outlet pipes 105 and 106 are provided at one side of the upper and lower tanks 101 and 102 to allow the cooling water to flow in and out.

Each of these components is brazed in a preassembled state.

The tube 110 is formed by joining two plates 111 and 111a of a thin plate,

Upper and lower tanks 112 and 112a formed of upper and lower cups 113, respectively, are formed, and the upper and lower tanks 112 and 112a are formed in the two plates 111 and 111a to be joined. A flow passage 114 communicating with is formed.

In addition, the projecting bead 117 is embossed to project the two plates 111 and 111a facing each other so that the cooling water flowing in the flow passage 114 may be turbulent and strength and durability may be improved. ) And a plurality of rows of horizontal beads (116) formed at a predetermined interval along the flow passage (114) formed of a bonding bead (118) in which the opposite beads among the protruding beads (117) are bonded to each other. ).

Hereinafter, the arrangement of the beads 117 and 118 of the heat exchange part 115 will be described with reference to the drawings.

First, in FIG. 4, the protruding beads 117 protruding into the two plates 111 and 111a are formed to intersect with each other, and opposing beads are bonded to each other to form a bonding bead 118. .

In addition, it is preferable that the bonding beads 118 of the bead rows 116 are arranged to be aligned with the bonding beads 118 of other adjacent beads rows 116.

That is, as shown in the drawing, the bonding beads 118 of the bead rows 116 are sequentially formed at the left, the center, and the right positions, respectively.

Next, FIG. 5 and FIG. 6 have a bead arrangement different from that of FIG. 4, wherein the bonding beads 118 of each bead row 116 alternate with the bonding beads 118 of another adjacent bead row 116. It is formed to be arranged.

That is, in FIG. 5, the one bead row 116 is formed with the bonding beads 118 on the outer side, the protruding bead 117 intersecting with each other, and the other bead row 116 adjacent to each other. The bonding beads 118 are formed at the center side and the protruding beads 117 are formed to cross each other at the outer side.

In FIG. 6, the one bead row 116 is formed such that the bonding bead 118 is formed at the left side and the protruding bead 117 is crossed at the right side, and another adjacent bead row 116 is the bonding bead. 118 is formed on the right side, the protruding bead 117 is formed to cross each other on the left side.

Next, FIG. 7 is a rectangular shape in which two plates 111 and 111a are protruded inward and bonded to one side of a plurality of bead rows 116 formed of the circular protruding beads 117 and the bonding beads 118 described above. The rectangular bead rows 120 made of the bonding beads 121 are further provided along the flow path 114.                     

That is, a rectangular bonding bead 121 extending in the longitudinal direction is further formed on one side of the circular bead row 116 having the arrangement of FIGS. 4 to 6.

As described above, the protruding beads 117 protruding inward to the plates 111 and 111a constituting the tube 110 and the bonding beads 118 bonded to opposing beads among the protruding beads 117. By repeatedly forming the formed bead row 116 at a predetermined interval, the cooling water flowing in the flow path 114 of the tube 110 and turbulence, and the heat exchange area is maximized to improve the heat exchange performance.

That is, the cooling water flowing in the flow passage 114 is turbulent and flows through the protruding beads 117 and the bonding beads 118, and the conventional water is flattened by the protruding beads 117 and 118. The surface area is larger than that of the conventional tube (4: conventional), and the heat exchange performance is improved.

In addition, the plate 111, 111a of the two plates 111, 111a through a rectangular bond bead extending in the longitudinal direction by the bonding beads 118 are formed by joining by extrusion molding inwardly Strength and durability are more improved.

Therefore, even if the pressure of the cooling water rises above the set value, it is possible to prevent the cracks of the plates 111 and 111a.

8 is a perspective view and a partial cross-sectional view showing a tube according to a second embodiment of the present invention, Figure 9 is a perspective view and a partial cross-sectional view showing a modified state of the tube according to a second embodiment of the present invention, the first Only the configuration different from the embodiment will be described, and repeated description is omitted.                     

As shown, the two facing plates 111 and 111a protrude inwards, respectively, so that the cooling water flowing in the flow passage 114 of the tube 110 can be turbulent and strength and durability can be improved. The rectangular bead rows 120 formed of rectangular bonding beads 121 bonded to each other by molding are provided with a plurality of rows along the flow path 114.

In addition, the rectangular beads 121 may be alternately formed along the flow path 114.

On the other hand, although not shown in the figure, the rectangular beads 121 may be configured in the same bead arrangement as the first embodiment.

That is, some of the rectangular bead rows 120 may form rectangular bonding beads 121 in which beads are bonded, and some of the rectangular beads may be formed to cross each other without bonding.

9 is a bead row 116a consisting of circular joining beads 118 formed by protruding the plates 111 and 111a into one side of the rectangular bead row 120 formed of the rectangular joining beads 121. A plurality of rows are further provided along the flow path 114.

10 is a perspective view and a partial cross-sectional view showing a tube according to a third embodiment of the present invention, and only a different configuration from the above embodiments will be described, and repeated descriptions will be omitted.

As shown, the two facing plates 111 and 111a protrude inwards, respectively, so that the cooling water flowing in the flow passage 114 of the tube 110 can be turbulent and strength and durability can be improved. A joint bead row 116c formed of a plurality of projecting bead rows 116b formed by cross-repetition of the projected bead 117 and a joint bead 118 joining the protruding beads 117 to each other forms the flow path 114. It is alternately provided.

As described above, in the heater core 100 according to the present invention, when the coolant flows into the inlet pipe 105, the coolant is filled in the upper tank 101, and the filled coolant is continuously filled in the respective tubes ( It is distributed evenly to the 110 to flow along the flow path 114 of the tube 110.

In this process, the cooling water undergoes active heat exchange with the outside air, and then flows to the lower tank 102 and is discharged through the outlet pipe 106.

As described above, in the present invention, protruding beads 117 and bonding beads 118 are formed on the plates 111 and 111a so as to improve the strength and durability and heat exchange performance of the laminated heater core plate. Although the shapes and arrangements of these beads 117 and 118 have been described in detail with the above-described embodiments, the shapes and arrangements of the beads 117 and 118 are not limited thereto, and the shapes and arrangements of the beads 117 and 118 are more diverse within the claims of the present invention. Of course it can be carried out deformation.

As described above, according to the present invention, the projecting bead and a part of the protruding bead are formed by protruding the facing plates to each other so as to turbulent the refrigerant flowing in the flow path of the tube and increase the heat exchange area. By forming a bonding bead, the strength and durability of the plate constituting the tube are improved to prevent cracking and heat exchange performance.

Claims (5)

Upper and lower tanks 112 and 112a formed of a cup 113; A flow passage 114 communicating the upper and lower tanks 112 and 112a; In order to turbulize the cooling water flowing in the flow passage 114, the protruding beads 117, which protrude inwards, respectively, formed to face each other, and the bonding beads 118 in which the opposing beads of the protruding beads 117 are bonded to each other. The bead row 116 is formed to form a tube 110 consisting of; a heat exchange unit 115 provided with a plurality of rows along the flow path 114, The laminated heater core, characterized in that a plurality of rows of rectangular bead 120 made of a rectangular bonding beads 121 formed by protruding inwardly facing both sides facing each other on the flow passage 114 along the flow passage 114. Plate. delete delete delete Upper and lower tanks 112 and 112a formed of a cup 113; A flow passage 114 communicating the upper and lower tanks 112 and 112a; Bonding the protruding bead rows 116b and the protruding bead 117 to each other, wherein the protruding beads 117 formed to protrude inwards are formed on both sides facing each other in order to turbulize the cooling water flowing in the flow passage 114. A heat exchange part 115 having a junction bead row 116c composed of one junction bead 118 alternately provided along the flow path 114; Plate for laminated heater core, characterized in that comprises a tube (110) consisting of.

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