KR20170036367A - A condenser - Google Patents

Abstract

The present invention relates to a condenser. The condenser includes: a pair of header tanks installed at fixed intervals side by side in the width direction of a vehicle and including a baffle blocking a movement of a refrigerant in the height direction of the vehicle; an inlet unit and an outlet unit, formed in the header tank, wherein the refrigerant flows into the inlet unit and is charged from the outlet unit; multiple tubes arranged to be parallel with each other in the height direction of the vehicle and forming a refrigerant flow path as both ends are fixed to the pair of header tanks, wherein a predetermined area of the upper part of the multiple tubes condenses the refrigerant in the height direction of the vehicle and a rest area of the lower part overcools the refrigerant; a pin installed between the tubes; and a gas-liquid separator. The gas-liquid separator includes: a case including an open upper part in the height direction of the vehicle and having a first connection hole, wherein the refrigerant flows into the first connection hole through a first connection pipe on the outer circumference, and a second connection hole from which the liquid refrigerant is discharged through a second connection pipe; a cap unit sealing the open upper part of the case; a filter unit installed in a second connection hole forming area in the height direction of the vehicle on the lower side of the cap unit; a partition closing the lower side of the filter unit and dividing the inside of the case into a first space unit on the lower side and a second space unit on the upper part in the height direction of the vehicle; a first sealing unit installed in an area in which a predetermined area adjacent to the partition of the filter unit is formed to be concave, wherein the first sealing unit is in contact with the inner circumference of the case; a pipe installed in the first space unit on the lower side of the partition and transferring the liquid refrigerant to the second space unit; and a drying member installed in the first space unit. Therefore, the condenser can improve whole cooling efficiency by preventing degradation of heat exchange efficiency as an outer air temperature is increased by an additional heat exchanger as an overcooling area is formed on the upper part.

Description

Condenser {A CONDENSER}

The present invention relates to a condenser, and more particularly, to a condenser which can prevent the heat exchange efficiency from being lowered by forming a supercooled region on the upper side and increasing the temperature of the outside air by a separate heat exchanger, thereby improving the overall cooling efficiency .

A heat exchanger is a device that absorbs heat from one side to the other and dissipates heat to the other side. It is a cooling system that absorbs heat from the room and emits it to the outside. It will act as a heating system. Basically, the heat exchanger is composed of an evaporator for absorbing heat from the surroundings, a compressor for compressing the heat exchange medium, a condenser for releasing heat to the surroundings, and an expansion valve for expanding the heat exchange medium.

In the cooling apparatus, an actual cooling action is caused by an evaporator in which a liquid heat exchange medium absorbs heat as much as the heat of vaporization in the vicinity and is vaporized. Wherein the gaseous heat exchange medium flowing into the compressor from the evaporator is compressed at a high temperature and a high pressure in the compressor, and the liquefied heat is discharged to the periphery in the process of liquefaction while the compressed gaseous heat exchange medium passes through the condenser, The medium again passes through the expansion valve to become a low-temperature and low-pressure humidified vapor state, and then flows into the evaporator again to be vaporized to form a cycle.

As described above, in the condenser, refrigerant in a gaseous state at a high temperature and a high pressure flows into the condenser, and is condensed into a liquid state and discharged after being discharged by heat exchange. The conventional condenser is shown in FIG. 1 and FIG.

The condenser shown in FIGS. 1 and 2 includes a first header tank 10 and a second header tank 20, which are spaced apart from each other by a predetermined distance. An inlet pipe (40) and an outlet pipe (50) provided in the second header tank (20) to allow the refrigerant to flow in or out; A baffle 30 provided in the first header tank 10 and the second header tank 20 to control the flow of the refrigerant; A plurality of tubes (60) having both ends fixed to the first header tank (10) and the second header tank (20) to form a refrigerant channel; A plurality of fins (70) stacked between the tubes (60); And a gas-liquid separator (80) provided at one side of the first header tank (10) and separating the gaseous refrigerant from the liquid refrigerant. The gas-liquid separator (80) As shown in Fig.

1 and 2, the gaseous refrigerant compressed by the compressor at high temperature and high pressure flows into the inlet pipe of the first header tank, and the gaseous refrigerant introduced into the second header Moved to the tank. At this time, since condensation occurs in the condenser, the gaseous phase and the liquid phase are mixed, so that the gaseous refrigerant is moved to the upper side and the liquid refrigerant is moved to the lower side.

The liquid refrigerant collected in the lower portion of the gas-liquid separator through the upper and lower regions along the flow path formed by the baffle collects most of the liquid refrigerant. The liquid refrigerant passes through the subcooled region and a supercooling angle is generated. So that the cooling efficiency can be increased.

3 is a ph diagram of the condenser. FIG. 3 (a) shows a Ph diagram of the condenser in which the supercooled region is not formed, and FIG. 3 (b) The ph diagram of the condenser as shown above is shown. As shown in FIG. 3, the conventional condenser has the advantage of being able to further reduce the enthalpy of the refrigerant due to the occurrence of the supercooling, thereby increasing the cooling efficiency. However, the temperature of the internal refrigerant in the supercooled region is directly affected by the air temperature and the air flow rate. However, in many cases, an intercooler is generally provided in the lower part of the front side of the condenser, so that the temperature of the air flowing into the supercooled area is increased and the air volume is lowered, which may cause the supercooling to be lowered. This causes deterioration of the overall air conditioner cooling performance.

Korean Patent Laid-Open Publication No. 2013-0012986 (entitled Cooling Module and Control Method Thereof)

It is an object of the present invention to overcome the problems described above, and it is an object of the present invention to provide an air conditioner, And to provide a condenser which can increase efficiency. In particular, it is an object of the present invention to provide a condenser capable of preventing a problem caused by an increase in temperature and a decrease in air volume due to a decrease in supercooling, when the intercooler is provided in the lower portion of the front side of the condenser, .

It is also an object of the present invention to easily form an upper subcooled region by using a gas-liquid separator including a cap portion, a filter portion, a diaphragm, a first sealing portion and a pipe, In the condenser.

Another object of the present invention is to provide a condenser capable of stably fixing a drying material using a fixing member and capable of further increasing the composition.

The condenser according to the present invention includes a pair of header tanks, which are spaced apart from each other by a predetermined distance in the vehicle width direction and have a baffle for blocking refrigerant movement in a vehicle height direction, An inlet portion formed in the header tank and into which refrigerant flows and an outlet portion discharged; A plurality of tubes each having a pair of header tanks fixed at both ends thereof in parallel to each other in a vehicle height direction to form a refrigerant flow path, a refrigerant is condensed in a predetermined region on the upper side in a vehicle height direction, A pin interposed between the tubes; A case having a first communication hole through which coolant flows through the first connection pipe and a second communication hole through which the liquid coolant in the liquid is discharged through the second connection pipe on the outer circumferential surface in a state where the upper side in the vehicle height direction is opened, A filter portion provided in the second communicating hole forming region in the vehicle height direction below the cap portion; and a filter portion disposed on the lower side in the vehicle height direction and closing the lower portion of the filter portion, A first sealing portion provided in an area where a region adjacent to the diaphragm of the filter portion is recessed in a certain region and is brought into close contact with an inner peripheral surface of the case, And a gas-liquid separator provided in the first space part and including a pipe for transferring the liquid-phase refrigerant to the second space part, and a drying material provided in the first space part. . Accordingly, the condenser of the present invention can prevent the heat exchange efficiency from being lowered by increasing the temperature of the outside air by the supercooled region formed on the upper side by the separate heat exchanger, thereby improving the overall cooling efficiency.

The gas-liquid separator may be formed such that the outer circumferential surface of the partition plate is formed obliquely so as to narrow its diameter from the upper side to the lower side in the vehicle height direction. And the seat portion is formed so as to correspond thereto. Accordingly, the condenser of the present invention is capable of placing the diaphragm at a precise position inside the case and widening the close contact area so that the first space portion in which vapor phase and liquid phase refrigerant are mixed and the second space portion in which only liquid phase refrigerant exists are more accurately blocked .

In addition, the cap portion is provided in a region where a certain region is recessed, and further includes a second sealing portion closely contacting the inner circumferential surface of the case, so that the liquid refrigerant in the first space portion can be transferred to the second space portion only through the pipe.

In addition, the gas-liquid separator includes a fixing member for fixing the drying material, wherein the fixing member may be in the form of a hook on the lower side of the diaphragm, or may be formed by wrapping the drying material and the pipe together.

In addition, the filter unit may include a filtering member; And a ring portion provided with the first sealing portion, the ring portion including a support portion protruding downward from the planar portion and supporting the filtering member, and a ring portion connecting the lower side of the support portion, .

At this time, the gas-liquid separator can be manufactured integrally with the cap portion and the filter portion.

In the gas-liquid separator, the diaphragm fixing part may protrude from the body of the filter part so that the filter part and the diaphragm are assembled to each other, and a protrusion corresponding to the diaphragm fixing part may be formed on the diaphragm.

Accordingly, the condenser of the present invention can prevent the heat exchange efficiency from being lowered by increasing the temperature of the outside air by the supercooled region formed on the upper side by the separate heat exchanger, thereby improving the overall cooling efficiency. Particularly, it is an object of the present invention to prevent the problem that the ambient air flowing into the subcooling region passes through the intercooler when the intercooler is installed in the lower portion of the front side of the condenser, and the lowering of the supercooling due to a decrease in the amount of air.

Also, the condenser of the present invention can easily form an upper supercooled region by using a gas-liquid separator including a cap portion, a filter portion, a diaphragm, a first sealing portion, and a pipe, .

Further, in the condenser of the present invention, the drying material can be stably fixed using the fixing member, and the composition can be further increased.

1 is a perspective view showing a conventional condenser;
FIG. 2 is a refrigerant flow chart of the condenser shown in FIG. 1; FIG.
FIG. 3 is a ph diagram of the condenser shown in FIG. 1; FIG.
Figures 4 to 6 are a perspective view, a cross-sectional view, and a refrigerant flow schematic view of a condenser according to the present invention.
Figs. 7 and 8 are a partially exploded perspective view and a cross-sectional view of the condenser shown in Figs. 4 to 6;
9 is yet another cross-sectional view of a condenser according to the present invention;
10 and 11 are another cross-sectional view of a condenser according to the present invention and a partially exploded perspective view of a gas-liquid separator.

Hereinafter, a condenser 1000 according to the present invention having the above-described characteristics will be described in detail with reference to the accompanying drawings.

4 and 6 are a perspective view, a cross-sectional view, and a refrigerant flow schematic view of a condenser 1000 according to the present invention, and Figs. 7 and 8 are a partially exploded perspective view and a cross-sectional view of the condenser 1000 shown in Figs. FIG. 9 is another cross-sectional view of a condenser 1000 according to the present invention, and FIGS. 10 and 11 are another cross-sectional view of a condenser 1000 and a partially exploded perspective view of a gas-liquid separator 500 according to the present invention.

The condenser 1000 of the present invention includes a header tank 100, an inlet portion 210 and an outlet portion 220, a tube 300, a fin 400, and a gas-liquid separator 500.

The header tank 100 includes a pair of baffles 101 spaced apart from each other by a predetermined distance in the vehicle width direction, and a baffle 101 for blocking refrigerant movement in a vehicle height direction. At this time, the header tank 100 may be formed by a combination of a header and a tank. In addition, the header tank 100 is provided with an inlet portion 210 through which refrigerant flows into the header tank 100 and an outlet portion 220 through which the refrigerant flows.

The tubes 300 are fixed to the pair of header tanks 100 in parallel to each other in the height direction of the vehicle to form a coolant flow passage, and a pin 400 is interposed between the tubes 300. In addition, in the tube 300, the refrigerant is condensed in a certain region on the upper side in the vehicle height direction, and the remaining region on the lower side is supercooled in the refrigerant. That is, in the condenser 1000 of the present invention, the supercooled region A3 in which the condensation region A1 for condensing the refrigerant is located on the lower side in the vehicle height direction and the liquid refrigerant separated through the gas-liquid separator 500 is supercooled And is located on the upper side in the vehicle height direction. Accordingly, the condenser 1000 of the present invention has an advantage that the overall cooling efficiency can be improved because the supercooled region A3 is formed on the upper side to prevent the heat exchange efficiency from being lowered by increasing the temperature of the outside air by a separate heat exchanger have. Particularly, in the condenser 1000 of the present invention, when the intercooler is provided in the lower part of the front side of the condenser 1000, since the outside air flowing into the supercooled area A3 passes through the intercooler, the temperature increases, There is an advantage that the problem can be prevented.

The liquid separator is provided at one side of the header tank 100 to separate the gaseous refrigerant and the liquid refrigerant and discharge only the liquid refrigerant into the supercooled area A3. More specifically, the gas-liquid separator 500 includes a case 510, a cap 520, a filter 530, a diaphragm 540, a first sealing portion 534, a pipe 550, and a drying material 560, .

The case 510 has a basic structure for forming the gas-liquid separator 500 and includes a first communication hole 511 in which the upper side is opened in the vehicle height direction and a refrigerant flows in the outer peripheral surface through the first connection pipe 610, And a second communication hole 512 through which the separated liquid refrigerant is discharged through the second connection pipe 620 are formed. At this time, the first communication hole 511 is located on the lower side as the condensing region A1 is positioned downward in the vehicle height direction, and the second communication hole 512 is located in the sub- As shown in Fig.

The cap part (520) seals the opened upper side of the case (510). The cap 520 may be formed on the outer circumferential surface of the case 510 so as to be in close contact with the inner circumferential surface of the case 510 and fixed by rotation. The condenser 1000 of the present invention may be modified into various forms as long as it can be fixed to the case 510, in addition to the example in which the cap 520 is formed with threads. In addition, the cap portion 520 may be recessed in a predetermined region to prevent the refrigerant in the case 510 from leaking to the outside, and may further include the second sealing portions 521 and 522. The second sealing portions 521 and 522 may be O-rings. In FIGS. 7 and 8 to 10, the second sealing portions 521 and 522 are provided on the upper side and the lower side of the region where the thread is formed, respectively.

The filter unit 530 is disposed below the cap unit 520 and is disposed in the spiritual region of the second communication hole 512 in the vehicle height direction so that the liquid coolant separated by the desiccant material 560 flows into the filter unit 530. [ (A3) in a state that the foreign matter passes through the supercooling zone (530). Accordingly, the condenser 1000 of the present invention can prevent the problem that the durability such as the clogging of the valve, which may be generated while the foreign substance is contained in the refrigerant and is generated and moved along the piping, may be hindered. The filter unit 530 may include a filtering member 531 and a body 532. The body 532 of the filter unit 530 may be integrally assembled with the cap unit 520, Or may be integrally formed. The filtering member 531 may have a pore through which the refrigerant passes but does not pass the foreign matter. The body 532 includes a flat portion 532a, a support portion 532b, and a ring portion 532d. The planar portion 532a is fixed to the lower side of the cap portion 520 from the upper side and the support portion 532b protrudes downward from the planar portion 532a to support the filtering member 531. [

The diaphragm 540 is configured to close the lower portion of the filter unit 530 and divides the inside of the case 510 into a first space portion 510a on the lower side and a second space portion 510b on the upper side in the vehicle height direction do.

Meanwhile, the filter unit 530 and the diaphragm 540 may be integrally manufactured. Manufacturing together with the present invention includes all that is integrally formed, such as physical assembly and welding. 11 and 12, the diaphragm fixing part 532c protrudes from the body 532 of the filter part 530 so that the filter part 530 and the diaphragm 540 are assembled to each other, 540 are formed with projections 541 corresponding to the diaphragm fixing portions 532c.

The condenser 1000 of the present invention can more accurately distinguish the first space 510a and the second space 510b in the case 510 and can stably fix the diaphragm 540 A seating portion 513 on which the diaphragm 540 is seated may be formed along the inner circumferential surface of the case 510. [ The seating part 513 may protrude along the inner circumferential surface of the case 510 to support the lower part of the partition plate 540. At this time, the diaphragm 540 is formed to be inclined so that its diameter is narrowed from the upper side to the lower side in the vehicle height direction, and the outer periphery portion of the inclined diaphragm 540 is supported by the seating portion 513 . Accordingly, the condenser 1000 of the present invention can accurately position the diaphragm 540 in the case 510.

The first sealing portion 534 is provided in a region where a certain region of the filter portion 530 adjacent to the diaphragm (the ring portion 532d of the body 532 of the filter portion 530) is recessed, 510). The first sealing part 534 is provided to prevent the refrigerant in the first space part 510a from leaking to the second space part 510b, And moves to the space portion 510b.

The pipe 550 communicates with the partition plate 540 and is disposed in the first space portion 510a to transfer the liquid refrigerant in the first space portion 510a to the upper second space portion 510b.

The drying material 560 is provided in the first space part 510a inside the case 510. [

The condenser 1000 of the present invention may be provided with a fixing member 570 for fixing the drying material 560. The fixing member 570 shown in FIG. 5 to FIG. 8 is an example in which the fixing member 570 is integrally formed on the lower side of the partition plate 540. The fixing member 570 shown in FIG. And the pipe 550 are wrapped together. The condenser 1000 of the present invention can stably fix the drying material 560 in the first space portion 510a through the fixing member 570. [

The condenser 1000 of the present invention includes a condensing region A1 where the refrigerant introduced through the inlet portion 210 is condensed while passing through the tubes 300; Liquid separator for separating the gaseous refrigerant and the liquid refrigerant from the refrigerant flowing through the first connection pipe 610 and discharging the refrigerant through the pipe 550 and the filter unit 530 through the second connection pipe 620, Region A2; And is discharged through the outlet portion 220 through the sub-cooled region A3 where the refrigerant passes through the remaining tube 300 and is supercooled. At this time, the number and position of the baffle 101 in the header tank 100, the position of the inlet portion and the outlet portion 220, and the like are included in the embodiment shown in FIGS. .

Accordingly, the condenser 1000 of the present invention includes the cap portion 520, the filter portion 530, the diaphragm 540, and the pipe 550 so that the supercooled region A3 is formed on the upper side to increase the heat exchange efficiency. It is possible to easily form the upper subcooled region A3 by using the gas-liquid separator 500 and to stably fix the drying material 560 by using the fixing member 570, There is an advantage.

The technical idea should not be construed to be limited to the above-described embodiment of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Accordingly, such modifications and changes are within the scope of protection of the present invention as long as it is obvious to those skilled in the art.

1000: condenser
100: header tank 101: baffle
210: inlet part 220: outlet part
300: tube
400: pin
500: gas-liquid separator
510: Case
510a: first space portion (lower side) 510b: second space portion (upper side)
511: first communication hole
512: second communication hole
513:
520: cap part 521, 522: second sealing part
530: filter part 531: filtering member
532: Body 532a:
532b: support portion 532c: diaphragm fixing portion
532d: ring part
534: first sealing portion
540: diaphragm 541: protrusion
550: pipe
560: Drying material
570: Fixing member
610: first connector
620: second connector
A1: Condensation zone
A2: gas-liquid separation area
A3: Supercooled region

Claims (10)

A pair of header tanks arranged side by side at a predetermined distance in a vehicle width direction and having a baffle for blocking refrigerant movement in a vehicle height direction;
An inlet portion formed in the header tank and into which refrigerant flows and an outlet portion discharged;
A plurality of tubes each having a pair of header tanks fixed at both ends thereof in parallel to each other in a vehicle height direction to form a refrigerant flow path, a refrigerant is condensed in a predetermined region on the upper side in a vehicle height direction,
A pin interposed between the tubes; And
A case having a first communication hole through which coolant flows through the first connection pipe and a second communication hole through which the liquid coolant in the liquid is discharged through the second connection pipe on the outer circumferential surface with the upper side opened in the vehicle height direction, A filter portion provided in the second communicating hole forming region in the vehicle height direction below the cap portion, and a lower portion of the lower portion of the filter portion in the vehicle height direction, A first sealing portion provided in an area where a region adjacent to the diaphragm of the filter portion is recessed to come in close contact with an inner peripheral surface of the case, And a gas-liquid separator provided in the first space part and including a pipe for transferring the liquid-phase refrigerant to the second space part, and a drying material provided in the first space part. The condenser.
The method according to claim 1,
Wherein the case has a seating portion on which the diaphragm is seated is protruded along an inner circumferential surface thereof.
3. The method of claim 2,
Wherein the gas-liquid separator is formed such that an outer circumferential surface of the partition plate is inclined so that its diameter becomes narrower from the upper side to the lower side in the vehicle height direction, and the seating portion is formed to correspond thereto.
3. The method of claim 2,
Wherein the cap portion is further provided with a second sealing portion which is provided in an area where a certain region is concave and which is in close contact with the inner circumferential surface of the case.
The method according to claim 1,
Wherein the gas-liquid separator comprises a fixing member for fixing the drying material.
6. The method of claim 5,
Wherein the fixing member is in the form of a hook on the lower side of the partition.
6. The method of claim 5,
Wherein the fixing member is formed by wrapping the drying material and the pipe together.
The method according to claim 1,
The filter unit includes:
A filtering member;
And a ring portion provided with the first sealing portion, the ring portion including a support portion protruding downward from the planar portion and supporting the filtering member, and a ring portion connecting the lower side of the support portion, And a condenser for cooling the condenser.
9. The method of claim 8,
Wherein the gas-liquid separator is integrally formed with the cap portion and the filter portion.
9. The method of claim 8,
Wherein the gas-liquid separator has a diaphragm fixing part protruded from a body of the filter part so that the filter part and the diaphragm are assembled to each other, and a protrusion corresponding to the diaphragm fixing part is formed on the diaphragm.

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