KR200323226Y1 - Plate type comdensor including inner fin - Google Patents

Abstract

The present invention relates to a capacitor, and more particularly, to a plate-shaped capacitor formed of a structure in which an arc fin tube with inner pins and a heat dissipation fin are laminated to each other.

The condenser according to the present invention includes: an upper support formed with an inflow pipe through which a refrigerant flows in and an outflow pipe through which the refrigerant flows out; At least one arc-shaped tube having a space portion formed therein so as to allow the introduced refrigerant to flow therein, and inner pins mounted on the space portion to increase pressure resistance and increase a heat transfer area; A heat dissipation fin installed adjacent to the upper and lower surfaces of the arc-shaped tube; A lower support installed at a corresponding position on the opposite side of the upper support; A blower mounted on a center portion of the upper support and configured to suck air; Between the upper support and the lower support is made of a structure in which the arc-shaped tube and the heat dissipation fins are laminated to each other in the form of a plate, the air passage through which the air can pass is formed in the central portion.

Description

Plate Capacitor with Inner Pin {Plate type comdensor including inner fin}

The present invention relates to a capacitor, and more particularly, to a plate-shaped capacitor formed of a structure in which an arc fin tube with inner pins and a heat dissipation fin are laminated to each other.

In general, an air conditioner using a refrigerant cycle is a device that cools a room by vaporization heat absorbed by liquefying a refrigerant compressed in a compressor in a condenser and then vaporizing it again in an evaporator through an expansion valve.

1 shows a condenser used as an outdoor unit of such an air conditioner, and is generally referred to as a parallel circulation type. Here, the header pipes 101 are formed at left and right sides thereof, and both holes are blocked, and the header pipe 101 is formed with an inlet port 102 through which refrigerant flows in and an outlet port 103 through which the refrigerant flows out. A plurality of tubes 104 are provided between the header pipes 101, and the tubes 104 are sequentially inserted into a plurality of holes formed in the header pipes 101. And between the tube 104 and the tube 104 is provided with a heat radiation fin 105, the high-temperature, high-pressure steam refrigerant flowing through the tube 104 is an effective heat transfer by the heat radiation fin 105.

On the other hand, inside the header pipe, a high temperature and high pressure vapor refrigerant introduced from the refrigerant inlet is a low temperature low pressure liquid refrigerant to smoothly change the state, to prevent the flow of the refrigerant under the header pipe to separate the space baffle ( baffle (not shown) is installed at an appropriate position. Accordingly, the refrigerant having a relatively low state change is no longer lowered to the lower portion of the header pipe by the baffle, and gradually enters a plurality of tubes in the upper space while gradually being spaced apart. Since the refrigerant at this time has a large specific volume and requires relatively more heat exchange, the number of tubes passing through is formed to be more than the number of tubes up to the position where the next baffle is installed.

In other words, the baffles are installed at appropriate positions on the left and right header pipes in such a manner that the high temperature and high pressure steam refrigerants pass through the tubes in the right and left zigzag form to smoothly change the state to the low temperature and low pressure liquid refrigerants. Doing.

2 shows in cross section a typical condenser tube 104 used in the condenser. As shown in the drawing, a plurality of partitions 104b are provided inside the outer casing 104a having a rectangular cross section, and a plurality of inner pipes are compartmentalized by the partitions 104b. . The condenser tube is designed and manufactured to withstand the high pressure of the refrigerant delivered from the compressor.

However, the conventional condenser configured as described above has a certain limit in increasing the heat exchange ability, and above all, a problem arises in that the volume and weight must be increased proportionally to this.

Accordingly, an object of the present invention is to provide a condenser having excellent heat exchange ability while significantly reducing the area and weight of an existing heat exchanger.

It is also an object of the present invention to provide a condenser structure in which a high temperature and high pressure steam refrigerant can be smoothly changed into a low temperature and low pressure liquid refrigerant.

1 is a schematic diagram of a conventional parallel circulation condenser

2 is a cross-sectional view of a conventional parallel circulation condenser tube

3 is a schematic view showing a structure in which an arc-shaped tube and a heat dissipation fin are stacked in a plate shape in a condenser according to the present invention;

Figure 4 is an exploded perspective view of the arc-shaped tube with the inner pin in the condenser according to the present invention

5 is an exploded perspective view of a condenser according to the present invention

Figure 6 shows another embodiment of the present invention, a perspective view showing a baffle to be installed inside the arc-shaped tube.

* Description of the symbols for the main parts of the drawings *

10 .... arc tube 20 .... heat sink fin

30 ... upper support 40 ... lower support

50 .... refrigerant inlet tube 60 .... refrigerant outlet tube

70..Top tube plate 80..Inner pin

90 .... lower tube plate

100a ... outflow hole 100b ... outflow hole

120 ... blower 130 ... motor

140 ... baffle

In order to achieve the above object, a condenser according to the present invention includes an inlet pipe into which a coolant flows in and an outlet pipe through which a coolant flows out; At least one arc-shaped tube having a space portion formed therein so as to allow the introduced refrigerant to flow therein, and inner pins mounted on the space portion to increase pressure resistance and increase a heat transfer area; A heat dissipation fin installed adjacent to the upper and lower surfaces of the arc-shaped tube; A lower support installed at a corresponding position on the opposite side of the upper support; A blower mounted on a center portion of the upper support and configured to suck air; Between the upper support and the lower support is made of a structure in which the arc-shaped tube and the heat dissipation fins are laminated to each other in the form of a plate, the air passage through which the air can pass is formed in the central portion.

In addition, according to the present invention, the arc-shaped tube includes an upper tube plate and a lower tube plate, and the upper tube plate and the lower tube plate have inlet and outlet holes respectively formed at positions corresponding to the inlet and outlet tubes. It is done.

And according to another embodiment of the present invention, the inner space portion of the arc-shaped tube further comprises at least one or more baffles having a height corresponding to the height of the inner pin, the baffle is suitable for the inside of the arc-shaped tube Can be partitioned and installed at a rate.

To this end, it is preferable that the shape of the baffle according to the present invention has a shape in which the center part is slightly open in order to partially block the flow of the refrigerant.

Next will be described in detail with reference to the accompanying drawings for a capacitor according to a preferred embodiment of the present invention.

First, FIG. 3 shows the structure of a condenser formed by laminating an arc-shaped tube 10 and a heat dissipation fin 20 in a plate shape.

The condenser of the present invention has an arc-shaped shape which is completely different from the conventional parallel circulation quadrangular shape, and one part of the arc-shaped tube 10 is separated to prevent the introduced refrigerant from being circulated 360 degrees, and the center portion thereof. The structure has an empty structure to be used as an air passage.

In addition, the condenser may include at least one of an inlet pipe 50 through which the refrigerant flows, an upper support 30 through which the outlet pipe 60 through which the refrigerant flows, and a lower support 40 on the opposite side. The arc-shaped tube 10 and the heat dissipation fins 20 are alternately stacked.

Therefore, the high temperature and high pressure steam refrigerant introduced from the compressor is introduced into the arc-shaped tube 10 through the inlet hole communicating with the inlet tube 50, and the refrigerant introduced therein is the arc type in which the inner pin is installed. As it passes through the tube 10, it exits to the other side outlet hole. At this time, the refrigerant exiting the outlet hole is introduced again into the inlet hole of the arc-shaped tube 10 of the next stage across the heat radiating fin 20, which is made through a connection pipe (not shown) separately installed therein. That is, the high temperature and high pressure steam refrigerant introduced in this way continues to flow only in the stacked arc-shaped tube, and the state change is made to the low temperature and low pressure liquid refrigerant.

On the other hand, the outlet pipe 60 installed on one side of the upper support 30 may be installed on one side corresponding to the inlet pipe 50 of the upper support 30, as shown in FIG. It can also be installed on top of it.

4 shows the internal structure of the arc-shaped tube. As shown in the figure, the arc-shaped tube is composed of the upper tube plate 70 and the lower tube plate 90, and the pressure resistance is increased in the inner space between the upper tube plate 70 and the lower tube plate 90. Inner pin 80 is built to increase the heat transfer area. In addition, in the upper tube plate 70 and the lower tube plate 90, inflow holes 100a and outlet holes 100b are formed at positions corresponding to the inflow pipes and the outflow pipes formed in the upper support, respectively.

That is, the refrigerant introduced through the inlet pipe of the upper support flows into the arc-shaped tube through the connecting pipe and passes through the inner pin 80 therein, and then exits through the outlet hole 100b. On the other hand, the refrigerant exited through the outflow hole (100b) flows into the inside through the inlet hole of the arc-shaped tube installed in the next stage through the connecting pipe, therefore, the inlet hole (100a) and the outlet hole ( It can be seen that 100b) is interchanged with each other.

In the present invention, in order to withstand the high pressure received inside the arc-shaped tube, the contact surface of the inner pin 80, the upper tube plate 70 and the lower tube plate 90 is fused by brazing performed in a high temperature furnace. To be integrated. In addition, the inner pin 80 has a shape that is repeated at regular intervals, that is, a shape in which acids and valleys continuously overlap each other to maximize heat dissipation by heat conduction, thereby maximizing contact surface area with the refrigerant. . Therefore, the high temperature and high pressure steam refrigerant is in contact with the inner pin 80, the heat exchange is more active.

On the other hand, Figure 5 shows the final assembly structure of the capacitor formed so that the arc-shaped tube and the heat dissipation fins are stacked on each other.

In the present invention, as shown, the blower 120 is installed at one side of the condenser, and the air passages formed at the center portion and the part cut off in the arc shape on the opposite side are blocked by the lower support 40 and the like, respectively. The air is prevented from being sucked directly without passing through the heat dissipation fin 20 (in the drawing, the dotted line portion shows the inner shape of the lower support). In this way, since the outside air is sucked toward the center from the circumferential direction through the air passage formed in the central portion of the condenser, the heat radiation fin is formed directly in the passage, so that the high temperature transmitted by the arc-shaped tube is directed to the heat radiation fin 20. It is cooled by the incoming air. That is, when the high temperature and high pressure steam refrigerant is introduced, heat exchange occurs actively by the inner pins inside the arc-shaped tube and the heat radiation fins between the tubes, resulting in a state change to the low temperature and low pressure liquid refrigerant.

On the other hand, the blower 120 is driven by the motor 130 on the rear, if necessary to reverse the rotation direction of the motor 130, the air can also be blown to the edge of the condenser on the contrary to obtain the above effect have. Here, the blower 120 and the motor 130 are schematic diagrams for explaining the concept that they are installed on one side of the condenser, and in practice, the blower 120 and the motor 130 may be integrally fastened with the condenser by the housing of the blower 120. .

Figure 6 shows another embodiment of the present invention, showing a baffle 140 to be installed inside the arc-shaped tube. In this case, in order to help understand the installation position or shape of the baffle 140, the configuration of the inner pin is omitted, and the center of the lower tube plate 90 of the tube is shown. According to the present invention, the inner space portion of the arc-shaped tube further comprises at least one or more baffles 140 having a height corresponding to the height of the inner pin. In addition, the baffle 140 has a shape in which the center part is slightly open to block a part of the refrigerant. On the other hand, the inner pin is installed to be cut based on the position where the baffle 140 is installed to complete the internal structure of the final arc-shaped tube.

As the baffle 140 is mounted, the refrigerant introduced into the tube through the inlet hole of the tube is disturbed by the baffle 140, and as a result, the relative residence time becomes longer. It is more active than this.

On the other hand, according to the present invention, the baffle 140 may be installed by partitioning the inside of the arc-shaped tube at an appropriate ratio. Referring to FIG. 6, a case in which arc-shaped tubes are stacked in three layers of the uppermost (a), the intermediate (b), and the lowermost (c) along the path flowing from the compressor will be described. The ratio of the area partitioned by the baffle 140 is installed by gradually increasing the number of the internal baffle 140 as it goes down from the uppermost portion (a) into which the vapor refrigerant flows directly from the lower end to the low temperature low pressure liquid refrigerant. Make sure to adjust it properly.

That is, since the high temperature and high pressure steam refrigerant has a large specific volume and requires a lot of heat exchange, the arc tube at the top (a) is partitioned into a relatively large area with a small number of baffles 140 so that the refrigerant flows smoothly. In addition, as the number of baffles 140 gradually increases while descending to the middle stage (b) and the bottom stage (c), an optimum heat exchange efficiency is obtained while appropriately adjusting the ratio so as to be partitioned into a relatively small area.

Therefore, the introduced high temperature and high pressure steam refrigerant passes through each arc-shaped tube, and the heat exchange is more efficiently performed by the baffle 140 which properly partitions the inside thereof. The state change is made.

In addition, according to the present invention, in order to obtain a larger heat dissipation effect, only the stacking number of the arc-shaped tube and the heat dissipation fins installed therebetween is increased, so that the overall compact shape can be obtained. In addition, when airtightness is maintained between the condenser and the blower housing, all of the air sucked by the blower flows in from the condenser (all flow out to the condenser when the rotation direction is reversed), which is very advantageous in terms of heat dissipation effect.

As described above, it can be seen that the condenser having a structure in which the arc tube and the heat dissipation fin according to the present invention are laminated to each other can be applied as an outdoor unit of an air conditioner. In addition, it is possible to obtain excellent heat dissipation effect by simply increasing the number of stacked layers. And within the scope of the basic technical idea of the present invention, many other modifications are possible to those of ordinary skill in the art, as well as the present invention should be interpreted based on the appended claims. .

According to the present invention as described above it can be expected the following effects.

First, unlike the conventional parallel circulation capacitor, in order to obtain a larger heat dissipation effect, only the stacked number of the arc-shaped tube and the heat dissipation fins installed therebetween is gradually increased, so that the overall compact shape can be achieved. Therefore, it is expected that the weight is light and the volume is small, so that the space occupied is relatively small.

In addition, the area inside the arc-shaped tube is partitioned at an appropriate ratio by using a baffle to smoothly change the state of the coolant, thereby increasing heat dissipation efficiency.

Therefore, when the condenser according to the present invention is used, the cooling efficiency of the air conditioner is improved, so that the reliability of the product can be greatly improved compared to the conventional product.

Claims (7)

An upper support 30 formed with an inflow pipe 50 through which the coolant flows and an outflow pipe 60 through which the coolant flows out; At least one arc-shaped tube (10) in which a space portion is formed so that the introduced refrigerant flows therein, and inner pins (80) for increasing pressure resistance and expanding a heat transfer area are mounted on the space portion; A heat dissipation fin 20 installed adjacent to the upper and lower surfaces of the arc-shaped tube 10; A lower support 40 installed at a corresponding position on the opposite side of the upper support 30; A blower (120) mounted to a central portion of the upper support (30) for sucking air; Between the upper support 30 and the lower support 40 is made of a structure in which the arc-shaped tube 10 and the heat dissipation fins 20 are laminated to each other in the form of a plate, the air passage through which air can pass through the center portion Plate type capacitor with an inner pin, characterized in that is formed. The plate type capacitor of claim 1, wherein the arc tube (10) comprises an upper tube plate (70) and a lower tube plate (90). According to claim 1 or 2, The upper tube plate 70 and the lower tube plate 90, the inlet hole (100a) and the outlet hole (in the position corresponding to the inlet pipe 50 and outlet pipe 60, respectively) Plate capacitor with an inner pin, characterized in that formed 100b). The plate type capacitor of claim 1, wherein the arc-shaped tube (10) is connected to each other by a separate connection pipe to allow the refrigerant to flow therebetween. The inner pin of claim 1, wherein the inner pin portion of the arc-shaped tube 10 further includes at least one or more baffles 140 having a height corresponding to that of the inner pin 80. Built-in plate condenser. 6. The plate type capacitor of claim 5, wherein the baffle (140) has a shape in which the center portion is slightly open to block a part of the refrigerant. The plate type capacitor according to claim 5 or 6, wherein the baffle (140) can be installed by partitioning the inside of the arc-shaped tube (10) at an appropriate ratio.