KR100895264B1 - Receiver drier - Google Patents

Abstract

The present invention is a receiver which is integrally coupled with a condenser of a vehicle air conditioner, having at least one inlet through which the refrigerant flowing from the condenser passes, and at least one outlet through which the refrigerant flowing into the condenser passes, A main body for storing the refrigerant introduced from the main body and at least one auxiliary cooling means for cooling the refrigerant stored in the main body, and inside the main body, a refrigerant flow means for flowing the liquid refrigerant condensed at the upper part of the main body to the lower part; It is characterized in that it is further provided, and has the effect of greatly improving the supercooling degree of the refrigerant stored in the receiver, the efficiency of the condenser and the performance of the air conditioner.

Description

Receiver {Receiver drier}

1 is a cross-sectional view showing a condenser having a conventional receiver.

2 is a cross-sectional view showing the receiver of FIG.

Figure 3a is a cross-sectional view showing a preferred embodiment of a condenser with a receiver according to the present invention.

3B is a sectional view of the receiver of FIG. 3A;

3C is an exploded perspective view of the lower cap of FIG. 3A;

3D is a sectional view of another embodiment of the receiver of FIG. 3A;

Figure 4a is a cross-sectional view showing another preferred embodiment of the receiver according to the present invention.

FIG. 4B is a sectional view taken along the line II of FIG. 4A. FIG.

Figure 5a is a cross-sectional view showing another preferred embodiment of the receiver according to the present invention.

FIG. 5B is a sectional view taken along II-II of FIG. 5A;

Figure 6a is a cross-sectional view showing another preferred embodiment of the receiver according to the present invention.

6B is a cross-sectional view taken along III-III of FIG. 6A;

7 is a cross-sectional view showing another preferred embodiment of a condenser with a receiver according to the present invention.

8A and 8B are cross-sectional views showing yet another preferred embodiment of the condenser with external receiver according to the present invention.

<Brief description of symbols for the main parts of the drawings>

110, 310: condenser 120, 320: receiver

121, 321: main body 122, 123, 322a, 322a: inlet of the receiver

124, 323: outlet of the receiver 125, 390: upper cap

126, 330: lower cap 127, 371: desiccant

128,372: Desiccant storage member 340: 0-ring

350: auxiliary cooling means 360: filtration means

370: absorption means 325: fine groove

326: week 380: double tube

The present invention relates to a receiver, and more particularly, to a receiver of a vehicle air conditioner which greatly improves the cooling performance of the air conditioner by providing a receiver equipped with auxiliary cooling means to promote supercooling of the refrigerant flowing into the condenser.

In general, the receiver is located between the condenser and the expansion valve in the air conditioner to store an appropriate amount of refrigerant to change the refrigerant circulation amount according to the load fluctuation of the refrigeration cycle, and the flow from the condenser to prevent the cooling performance deteriorated It separates the bubbles contained in the liquid refrigerant and serves to discharge only the liquid refrigerant to the expansion valve.

Such receivers generally induce a cylindrical body made of steel or aluminum that provides a storage space for the refrigerant, an inlet that guides the refrigerant from the condenser into the body, and a liquid refrigerant in the body where the bubbles are separated to the expansion valve. It consists of an exit.

The receiver may further include a desiccant and a filter for removing moisture and foreign matter in the refrigerant to improve cooling performance, which is also referred to as a receiver drier.

Conventional receivers are generally structured to be detachably connected to the condenser, but recently there is a trend to adopt a structure that is integrally coupled with the condenser. In the conventional receiver integrated condenser 100, as shown in Figure 1, the condenser 110 and the receiver 120 is integrally coupled. That is, the receiver 120 is integrally coupled to the header pipe 111 of one side provided in the condenser 110 to temporarily store the refrigerant introduced from the condenser 110 through the inflow passages 112 and 113. Next, it is discharged to the condenser 110 via the outlet passage 114 again.

This receiver 120 is, as shown in Figure 2, the upper and lower portions are respectively composed of a body 121 having a space for storing the refrigerant therein and sealed by the cap (125, 126), The main body 121 has at least one inlet 122 and 123 through which the refrigerant flowing from the condenser 110 passes and at least one outlet 124 through which the refrigerant flowing into the condenser 110 passes. In addition, the interior of the main body 121 may include a member 128 containing a desiccant 127 for removing moisture or bubbles contained in the refrigerant.

The conventional fluid receiver 120 merely functions for storage, bubble separation, and water absorption for the refrigerant introduced from the condenser 110, thereby improving the cooling degree of the refrigerant flowing out of the condenser 110, and an air conditioning apparatus. There is a problem that has a certain limit to improve the cooling performance of.

The present invention is to solve the above problems, it is an object of the present invention to provide a receiver and a condenser having the same that can improve the cooling efficiency of the air conditioning apparatus by promoting the supercooling of the refrigerant stored therein.

Still another object of the present invention is to provide a receiver and a condenser having the same capable of promoting condensation of the gaseous refrigerant stored therein.

Still another object of the present invention is to provide a receiver and a condenser having the same that can easily flow the liquid refrigerant condensed in the receiver downward.

In order to achieve the above object, the receiver according to an aspect of the present invention, the receiver is integrally coupled with the condenser of the vehicle air conditioner, at least one inlet through which the refrigerant flowing from the condenser and the condenser It has at least one outlet through which the refrigerant flows out, has a main body for storing the refrigerant introduced from the condenser and at least one auxiliary cooling means for cooling the refrigerant stored in the main body, the inside of the main body of the main body Refrigerant flow means for flowing the liquid refrigerant condensed in the upper portion is characterized in that it is further provided.

In addition, the auxiliary cooling means is preferably stored in the lower wall of the main body.

Furthermore, it is preferable that the lower part of the main body is sealed by a detachable cap, and the auxiliary cooling means is coupled to the cap.

The auxiliary cooling means may be any one of a thermoelectric element and a heat pipe.

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The coolant flow means may be at least one wick extending from the top to the bottom of the body.

The wick preferably has a desiccant for absorbing moisture contained in the refrigerant inside the main body.

The refrigerant flow means may be at least one micro groove formed on the inner surface of the body.

The fine groove is preferably formed to extend from the top of the body to the bottom.

The refrigerant flow means may be composed of a double tube.

It is preferable that the said double tube is provided with the porous tube which accommodated the desiccant inside, and the coaxial tube surrounding the exterior of the said porous tube.

A receiver according to another aspect of the present invention is a receiver that is detachably connected to a condenser of a vehicle air conditioner, the body having an inlet through which the refrigerant flowing from the condenser passes and an outlet through which the introduced refrigerant is stored and discharged. At least one auxiliary cooling means for cooling the refrigerant stored in the inside, characterized in that the inside of the main body further comprises a refrigerant flow means for flowing the liquid refrigerant condensed in the upper portion of the lower portion.

Both the inlet and the outlet may be connected to a header pipe having an inlet and an outlet of the condenser.

Both the inlet and the outlet may be connected to a header pipe not provided with the inlet and the outlet of the condenser.

Preferably, the auxiliary cooling means is housed in the lower wall of the main body.

Preferably, the lower part of the main body is sealed by a detachable cap, and the auxiliary cooling means is coupled to the cap.

The auxiliary cooling means may be any one of a thermoelectric element and a heat pipe.

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The coolant flow means may be at least one wick extending from the top to the bottom of the body.

The wick preferably has a desiccant for absorbing moisture contained in the refrigerant inside the main body.

The refrigerant flow means may be at least one micro groove formed on the inner surface of the body.

The fine groove is preferably formed to extend from the top of the body to the bottom.

The refrigerant flow means may be composed of a double tube.

It is preferable that the said double tube is provided with the porous tube which accommodated the desiccant inside, and the coaxial tube surrounding the exterior of the said porous tube.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3a is a cross-sectional view showing a preferred embodiment of the condenser integrally coupled with the receiver according to the present invention, Figure 3b is a cross-sectional view showing the receiver of Figure 3a, Figure 3c is a separation showing the lower cap of Figure 3a Perspective view.

Referring to FIG. 3A, the condenser 310 integrally coupled with the receiver 320 according to the present invention is a pair of header pipes 311 and 315 spaced in parallel at predetermined intervals and sealed at both ends thereof. The header pipes 311 and 315 are connected to each other so that the refrigerant flowing in the header pipes 311 and 315 can flow from one of the pair of header pipes 311 and 315 to the other. A plurality of tubes 316 arranged in parallel, a corgate 317 mounted between the tubes 316 and at least one mounted to partition the inside of each of the header pipes 311 and 315. Of baffles 318 and 319.

The receiver 320 is integrally coupled to the header pipe 311 of one side provided in the condenser 310 to temporarily store the refrigerant flowing through the inlet passages 312 and 313 from the condenser 310. Then, this is discharged to the condenser 310 via the outlet passage 314.

The receiver 320, as shown in Figure 3b, has a main body 321 for storing the refrigerant flowing from the condenser 310, the main body 321 to the refrigerant flowing out of the condenser 310 Inlets 322a and 322b leading to the main body 321 and outlets 323 for leading the refrigerant stored in the main body 321 toward the condenser 310 are formed.

The upper part of the main body 321 is closed by, for example, the upper cap 390, and the lower part is closed by the lower cap 330. The upper portion of the lower cap 330 may be provided with a filtering means 360, such as a filter for removing the foreign matter contained in the refrigerant stored in the body 321. The lower cap 330 accommodates auxiliary cooling means 350 for cooling the refrigerant stored in the main body 321.

The body 321 is formed of a cylindrical shape made of steel or aluminum, and a refrigerant storage space is provided therein. The body 321 is preferably made of aluminum to reduce the weight, it is preferable to use a conical to maximize the storage space of the refrigerant.

The outlet 323 is preferably formed in a portion of the inner surface of the main body 321 in contact with the liquid refrigerant stored in the main body 321. In this embodiment, the outlet 323 is formed at a position corresponding to the upper side of the lower cap 330.

As shown in FIG. 3C, the lower cap 330 seals a hollow cylindrical body 331 and a lower portion of the body 331 to accommodate cooling means (not shown), and the main body 321. The coupling portion 332 is screwed to the inner side of the open lower portion of the.

The upper portion of the body 331 is open to allow the refrigerant to flow from the inside of the upper portion of the main body 321, the side of the refrigerant introduced into the cylindrical hollow of the body 331 condenser 310 A plurality of through holes 333 are formed to be discharged toward the side).

In addition, the outer surface 334 of the body 331 has a diameter that is larger than the diameter of the inner surface of the body 321 so as to be a predetermined distance away from the inner surface of the body 321 to which the lower cap 330 is coupled as a whole Smaller formation is preferable because the refrigerant can easily flow out toward the condenser 310.

The coupling portion 332 is formed with threads 335 which are screwed to the inner surface of the main body 321 on the outer surface thereof, and at least one, for example, two 0-rings (FIG. 3b) on a portion of the outer surface. 340 is configured to form a 0-ring seating portion 337 to be seated.

Inside the coupling portion 332 of the lower cap 330, as shown in Figure 3a, the auxiliary cooling means 350 is mounted.

In this embodiment, the auxiliary cooling means 350 is mounted on the coupling portion 332 of the lower cap 330, but the receiver according to the present invention is not necessarily limited thereto, and the outlet 323 of the main body 321. It can be mounted at various positions such as mounted on the side.

Furthermore, in the receiver according to the present invention, the lower part of the main body is not limited to being sealed by a lower cap, which is a separate member, and when the sealing unit is integrally coupled with the side of the main body and sealed, the auxiliary cooling means is stored in the lower part of the main body. It is also included to configure.

The auxiliary cooling means 350 is preferably a thermoelectric element or a heat pipe.

Here, the thermoelectric element, also called a thermoelectric cooling element, refers to an electrothermal pump using a Peltier effect that heat is absorbed when a current flows through a junction of two dissimilar metals. These include those using a semiconductor such as Bi2Te3, Sb2Te3 and a metal, and those using a semiconductor. The semiconductor is composed of a positive electrode-an n-type semiconductor-an intermediate electrode-a p-type semiconductor-a negative electrode, and the heat pump is energized through the electrode to heat the positive and negative electrodes as a heating source and the intermediate electrode as a heat absorption source. Is made. The construction and principle of such a thermoelectric element are well known to those skilled in the art, and thus a detailed description thereof will be omitted.

The thermoelectric element 350 is mounted on the coupling part 332 of the lower cap 330 and is connected to an external power source.

Heat pipe is a liquid such as water or alcohol inside the pressure-reduced pipe, and when one side is heated, the liquid becomes vapor and flows to the other. When the heat is radiated and becomes liquid, the liquid is transferred to the heating part by capillary action. By repeating the action to return the heat is said to be transferred from the heating unit to the heat radiating unit. The construction and principle of such a heat pipe are also well known to those skilled in the art, so a detailed description thereof will be omitted.                     

The heat pipe 350 may be configured such that its heating portion corresponds to the refrigerant side surface of the coupling portion 332 of the lower cap 330, and its heat dissipation portion extends to the outside so as to be in contact with the outside air.

As the auxiliary cooling means 350 is mounted as described above, the supercooling degree of the refrigerant stored in the receiver 320 may be increased, and thus the refrigerant having high subcooling degree is discharged to the condenser 310, thereby further improving the efficiency of the condenser. It is possible to improve the cooling performance of the device.

The upper portion of the lower cap 330, as shown in Figure 3c, the filtering means 360 may be installed.

The filtering means 360 is seated on an open upper portion of the lower cap 330 to filter mesh impurities 361 and to seat the filter 361 on the upper portion of the lower cap 330 It consists of a cover 362. The cover 362 has a cup shape to accommodate the filter 361 therein and to seat it on the upper portion of the lower cap 330, at least one to allow the working fluid to pass through the center of the upper surface, For example, one through hole 363 is formed, and many fine holes 364 are formed around the hole.

As shown in FIG. 3B, a protrusion 324 is formed at an inner side surface of the main body 321 at a position corresponding to an upper portion of the lower cap 330 on which the filtering means 360 is mounted.

The protrusion 324 is formed along the inner surface of the body 321, the protruding size is preferably limited so as not to seal the upper opening 338 of the body 331 of the lower cap 330. Do.

The upper portion of the protrusion 324 is provided with a means 370 for absorbing moisture contained in the refrigerant stored in the body 321.

The absorbing means 370 is composed of a desiccant 371 for absorbing the moisture contained in the refrigerant stored in the main body 321, and a receiving member 372 for receiving it.

The absorbing means 370 is mounted in a state that is not directly connected to the outside of the main body 321 in this embodiment, so that it is not easy to replace it.

However, in the receiver according to the present invention or the receiver integrated condenser having the same, the absorbing means 370 is not limited thereto, and as shown in FIG. 3D, a hole 373 is formed in the main body 321. And it may be coupled to the means 374 for fixing the one end of the absorbing means 370 while closing the hole 373. The fixing means 374 is composed of a union solder 374a for fixing the absorbing means 370 and a swivel nut 374b for fastening and fixing the union solder 374a.

In this way, the absorbing means 370 is directly connected to the outside, so that the replacement can be easily performed when necessary.

Another preferred embodiment of the receiver according to the invention is shown in Figs. 4a and 4b. 4B is a cross-sectional view taken along the line II of FIG. 4A. In the drawings, the same reference numerals are used for the same elements as those used in FIGS. 3A to 3C.                     

4A and 4B, the receiver according to the present embodiment has at least one, for example, a plurality of microgrooves 325 formed in the longitudinal direction of the main body 321 on the inner surface of the main body 321. Except for that, it has the same configuration as the above-described embodiment.

That is, as shown in Figure 4b, a plurality of the fine groove 325 is formed in a predetermined shape over the circumference of the inner surface of the main body 321. The cross-sectional shape of the microgroove 325 may be rectangular as in this embodiment, but is not necessarily limited thereto, and may be variously modified within the scope of the present invention.

As such, by forming the plurality of microgrooves 325 having a predetermined shape on the inner surface of the main body 321 of the receiver 320, the condensed refrigerant formed in the upper part of the main body 321 is lowered to the lower part of the main body 321. It can be easily flowed. In addition, the supercooling degree of the refrigerant inside the receiver can be improved.

Another preferred embodiment of the receiver according to the invention is shown in Figs. 5a and 5b. 5A and 5B, the same reference numerals are used for the same elements as those used in FIGS. 3A to 3C.

5A and 5B, the receiver 320 according to the present embodiment includes at least one means for flowing a condensation refrigerant formed at an upper portion inside the main body 321 of the receiver 320 to a lower portion, For example, except that two wicks 326 are provided, they have the same configuration as the receiver of the embodiment described above with reference to FIGS. 3A to 3C.

The wick 326 includes a desiccant 327 that absorbs moisture contained in the refrigerant inside the main body 321, and preferably includes a flexible mesh rod. The wick 326 may be installed on an upper surface of the wick 326 so as to be caught by the protrusion 324 of the main body 321.

As such, by providing the wick 326 including the desiccant 327 therein, in the receiver 320 according to the present embodiment, the refrigerant condensed in the upper part of the main body 321 can be easily flowed to the lower part. Of course, by functioning as a means for absorbing the moisture contained in the refrigerant stored therein may be used instead of the absorbing means 370 in the above-described embodiment.

In addition, the wick 326 forms a hole 373 in the main body 321 and closes the hole 373 at the same time as the absorbing means 370 illustrated in FIG. 3D. It can be coupled to the means 374 for fixing one end of the. In this way, the wick 326 is directly connected to the outside, so that the wick 326 can be easily exchanged when necessary.

Another preferred embodiment of the receiver according to the invention is shown in Figs. 6a and 6b. In the drawings, the same reference numerals are used for the same elements as those used in FIGS. 3A to 3C.

6A and 6B, the receiver according to the present embodiment is the embodiment described above with reference to FIGS. 3A to 3C except that a double tube 380 is provided inside the main body 321. Has the same configuration as

As shown in FIGS. 6A and 6B, the double tube 380 includes a porous tube 381 including a desiccant 382 that absorbs moisture contained in the refrigerant inside the main body 321 and the outside thereof. It consists of a coaxial tube (383) surrounding.

Another absorbing means 384 may be provided inside the porous tube 381. However, such another absorbing means 384 does not necessarily have to be provided, and the porous tube 381 including the desiccant 382 may absorb moisture contained in the refrigerant stored in the main body 321.

The bottom of the double tube 380 is preferably installed to be fixed to the protrusion 324 of the main body 321.

In this way, by installing a double tube 380 inside the main body 321 of the receiver 320, the refrigerant condensed in the upper part of the main body 321 can easily flow to the lower part, thereby It is possible to improve the supercooling degree of the refrigerant inside the machine.

Another preferred embodiment of a condenser with a receiver according to the invention is shown in FIG. 7. In Fig. 7, the same reference numerals as in Fig. 3A are used for the same elements.

The receiver 320 according to the present embodiment has the tank 311b of the header pipe 311 integrally coupled with the receiver 320 among the header pipes 311 and 315 of the condenser 310 with one side. It is integrally coupled to it.

That is, the header pipe 311 of the condenser 310 is not connected to the receiver 320 by the connection passages (312, 313, and 314 of FIG. 3A), and the tank 311b of the header pipe 311 is connected thereto. It is integrally coupled to one side of the receiver 320.                     

At least one inlet 322a and 322b through which the refrigerant flowing into the receiver 320 passes through the header pipe 311 and at least one refrigerant flowing through the header pipe 311 from the receiver 320 passes through the header pipe 311. One outlet 323 is formed.

The lower portion of the header pipe 311 and the receiver 320 are sealed by a lower cap 330, and the lower cap 330 is equipped with at least one auxiliary cooling means 350.

The lower cap 330 may be integrally formed to seal both the header pipe 311 and the receiver 320 at the same time, but different members for separately sealing the header pipe 311 and the receiver 320, respectively. It may be made of.

The auxiliary cooling means 350 may be mounted only on the receiver 320, and may not be mounted on the header pipe 311 of the condenser 310. The auxiliary cooling means 350 is at least one of the thermoelectric element or the heat pipe as in the above-described embodiments.

In this manner, the supercooling degree of the refrigerant stored in the main body 321 of the receiver 320 and the header pipe 311 of the condenser 310 can be improved, and the refrigerant supercooled in the receiver 320 is condenser. By entering the 310, the condensation efficiency of the condenser 310 may be improved.

In this embodiment, the absorbing means 370 including the desiccant 371 is connected to the outside through a hole 373 formed in the main body 321 of the receiver 320 so that it can be easily exchanged when necessary. . The absorbing means 370 is coupled to a means 374 for closing the hole 373 and fixing one end of the absorbing means 370. The high water purification stage 374 is composed of a union solder 374a for fixing the absorbing means 370 and a swivel nut 374b for fastening and fixing the union solder 374a.

A baffle 392 having a through hole 391 through which a refrigerant passes therethrough is mounted at a predetermined position below the main body 321 of the receiver 320, and a main body is disposed on an upper surface or a lower surface of the baffle 392. Means for filtering the foreign matter contained in the refrigerant stored in 321 may be mounted. The refrigerant stored in the lower portion 393 of the baffle 392 inside the main body 321 is formed through the through hole 323 formed in the tank 311a of the header pipe 311 of the receiver 320. 311).

One preferred embodiment of a receiver and a condenser with the same according to another aspect of the invention is shown in FIGS. 8a and 8b.

Referring to FIG. 8A, in one preferred embodiment according to another aspect of the invention, the receiver 420 is detachably coupled to the condenser 410 between the condenser 410 and an expansion valve (not shown).

As shown in FIG. 8A, the external receiver 420 includes an inlet pipe 423 for guiding the refrigerant from the condenser 410 into the main body 431, and a subcooling means for cooling the refrigerant introduced from the condenser 410. Outlet pipe 424 supercooled by 450 and then discharged to an expansion valve (not shown), filter 433 for removing foreign matter from refrigerant, desiccant 434 for removing moisture from refrigerant, and filter 433 and A retainer 432 may be provided to fix the desiccant 434.

The outlet pipe 424 preferably extends to the vicinity of the bottom surface of the main body 431 to discharge only the complete liquid refrigerant.

The inlet pipe 423 of the receiver 420 is connected to the outlet 411 of the condenser 410, the outlet pipe 424 of the receiver 420 is an expansion valve (not shown) by the connecting pipe 424 It is connected to city.

In addition, the receiver 420 is provided with a sub-cooling means 450 in a part of the body 431, for example, the bottom is the same as in the above-described embodiments.

In addition, the external receiver may be connected to the header pipe without the inlet and outlet of the condenser 410, as shown in Figure 8b.

Unlike the above-described embodiments, the inlet 421 of the receiver 420 has only one inlet 420 communicating with the outlet 411 of the condenser 410.

In this manner, the cooling performance of the air conditioner can be improved by supercooling the refrigerant introduced from the condenser 410 to the receiver 420 and flowing it out to an expansion valve (not shown).

Hereinafter, the operation of the receiver and the condenser provided with the same according to the present invention having the configuration described above.

Referring to FIG. 3A and the like, gaseous refrigerants of the refrigerant flowing from the condenser 310 to the receiver 320 are mostly introduced through the upper inlet 322a and the liquid refrigerant is mostly introduced through the lower inlet 322b. The water contained in the liquid refrigerant introduced in this way is absorbed by the absorbing means 370 and the foreign matter is filtered by the filtering means 360 mounted on the lower portion of the absorbing means 370, and then the receiver 320, the main body ( It moves to the bottom of 321. As such, the liquid refrigerant moved downward is subcooled by the auxiliary cooling means 350 mounted on the lower cap 330 of the main body 321 and then condenser 310 through the outlet 323 formed in the main body 321. Will be leaked.

As such, the condensation of the gaseous refrigerant stored in the upper portion is promoted by the supercooled refrigerant in the lower part of the receiver 320. The refrigerant condensed as described above is easily flowed downward by the refrigerant flow means 325, 326, and 380 provided in the main body 321. The refrigerant in the subcooled state stored below the main body 321 of the receiver 320 flows out to the condenser 310 through the outlet 323, thereby further improving the efficiency of the condenser 310.

Alternatively, as shown in FIG. 8A, a receiver 420 having an auxiliary cooling means 450 is installed between the condenser 410 and an expansion valve (not shown), or as shown in FIG. 8B. By connecting the receiver 420 equipped with the auxiliary cooling means 450 externally to the header pipe without the inlet and the outlet of the receiver), the refrigerant flowing from the condenser 410 is sent to the expansion valve (not shown). By supercooling by the auxiliary cooling means 450 at 420 can improve the cooling efficiency of the air conditioning apparatus.

Effects of the receiver and the condenser provided with the same according to the present invention having the configuration as described above are as follows.

First, by providing an auxiliary cooling means in the receiver to promote the subcooling of the refrigerant stored in the receiver to improve the supercooling of the refrigerant to improve the cooling efficiency of the air conditioner.

Second, the air conditioning apparatus increases the supercooling degree of the refrigerant by promoting the subcooling of the refrigerant stored therein by the auxiliary cooling means provided in the receiver to promote the condensation of the gaseous refrigerant introduced into the receiver through heat exchange with the liquid refrigerant. Can improve the cooling efficiency.

Third, by providing a refrigerant flow means in the receiver, the liquid refrigerant condensed in the upper portion of the receiver can be easily flowed to the lower portion.

Fourth, by improving the supercooling degree of the refrigerant stored in the receiver, it is possible to reduce the storage amount of the refrigerant required to cope with the change in the refrigerant circulation amount caused by the load variation of the refrigeration cycle of the air conditioning apparatus.

Although the present invention has been described with reference to the embodiments illustrated in the accompanying drawings, it is merely an example, and those skilled in the art may realize various modifications and equivalent other embodiments therefrom. I will understand. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims (14)

       As the receiver is integrally combined with the condenser of the vehicle air conditioner, A main body having at least one inlet through which the refrigerant flowing from the condenser passes, and at least one outlet through which the refrigerant flowing into the condenser passes, and storing the refrigerant introduced from the condenser; At least one auxiliary cooling means for cooling the refrigerant stored in the main body, The receiver of the inside of the main body further comprises a refrigerant flow means for flowing the liquid refrigerant condensed in the upper portion of the lower portion. The receiver of claim 1, wherein the auxiliary cooling means is housed in a lower wall of the main body. The receiver of claim 1 or 2, wherein the auxiliary cooling means is any one of a thermoelectric element and a heat pipe. delete The receiver of claim 1, wherein the coolant flow means is at least one wick extending from the top to the bottom of the main body. The receiver of claim 5, wherein the wick is provided with a desiccant for absorbing moisture contained in the refrigerant inside the main body. The receiver of claim 1, wherein the refrigerant flow means is at least one microgroove formed in the inner surface of the main body. 8. The receiver of claim 7, wherein the microgroove is formed to extend from the top to the bottom of the main body. The receiver of claim 1, wherein the refrigerant flow means comprises a double tube. The receiver of claim 9, wherein the double tube includes a porous tube containing a desiccant therein and a coaxial tube surrounding the outside of the porous tube. A fluid receiver detachably connected to a condenser of a vehicle air conditioner, A main body having an inlet through which the coolant flowing from the condenser passes and an outlet opening after the inlet coolant is stored; At least one auxiliary cooling means for cooling the refrigerant stored in the main body, The receiver of the inside of the main body further comprises a refrigerant flow means for flowing the liquid refrigerant condensed in the upper portion of the lower portion. The receiver of claim 11, wherein both the inlet and the outlet are connected to a header pipe having an inlet and an outlet of the condenser. The receiver of claim 11, wherein both the inlet and the outlet are connected to a header pipe which is not provided with the inlet and the outlet of the condenser. A receiver integrated condenser, comprising the receiver of claim 1.

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