KR100829887B1 - Receiver drier - Google Patents

Abstract

The present invention relates to a receiver, and an object thereof is to improve the structure to reduce the assembly process.

The receiver according to the present invention, which is connected by the second header tank 20 of the condenser and three connecting pipes 24, 25 and 26, has an upper opening and a cap 111 coupled to the opening. And a desiccant 120 pressed into the bottom of the housing. The desiccant is wrapped by the filter 130 and seated on the bottom of the housing, and a porous baffle is disposed on the desiccant. As a result, the refrigerant introduced into the housing 110 is gas-liquid separated through the baffle 140, and only the liquid refrigerant is removed from the moisture through the desiccant 120, and then returned to the condenser. It is supported by the bottom part, pressurizes the desiccant into the housing, and the manufacturing of the receiver is completed by the operation of engaging the cap, thereby simplifying the operation of manufacturing the receiver.

Condenser, receiver, desiccant, housing, bottom, cap

Description

Receiver {RECEIVER DRIER}

1 is a block diagram of a condenser.

Figure 2 is a longitudinal cross-sectional view showing the structure of the receiver according to patent application 2001-013385.

Figure 3 is a longitudinal sectional view showing one embodiment of the condenser integrated receiver according to the present invention.

Figure 4 is a longitudinal sectional view showing another embodiment of the condenser integrated receiver according to the present invention.

Figure 5 is a longitudinal sectional view showing another embodiment of the condenser integrated receiver according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: receiver 110: housing

111: cap 112: dividing wall

120: desiccant 130,170,190: filter

140,160,180: baffles

The present invention relates to a receiver, and more particularly, to a receiver that can improve the structure to simplify the assembly process.

The vehicle refrigeration cycle consists of a series of compressors, condensers, expansion valves and evaporators.

As shown in FIG. 1, the condenser 1 according to the supercooling method as an example of the condenser includes a baffle 13, 14, and 15 connected to a refrigerant inlet pipe 11 and a refrigerant outlet pipe 12. The first header tank 10, which is divided into four spaces S1, S2, S3, and S4 from the top to the bottom thereof, and stands vertically in parallel with the first header tank 10. A second header tank 20 whose interior is divided into four spaces S5, S6, S7, and S8 by the baffles 21, 22, 23 provided therein; A plurality of tubes 30 arranged horizontally between the first header tank 10 and the second header tank 20 to form a fluid passage therebetween, and a plurality of cores stacked between the respective tubes 30. The gate pin 40 is provided.

The partitioned spaces S1 to S4 in the first header tank 10 have a size of S2> S1> S3> S4. The refrigerant inlet pipe 11 is connected to the second space S2 of the space, while the refrigerant outlet pipe 12 is connected to the fourth space S4. In addition, the partitioned spaces S5 to S8 in the second header tank 20 have a size of S6> S5 = S8> S7. The six baffles 13, 14, 15, 21, 22, 23 are arranged in a zigzag manner so that the tubes 30 are six fluids from top to bottom between both header tanks 10, 20. Passages P1, P2, P3, P4, P5 and P6 are formed.

On the other hand, the refrigerant discharged from the condenser 1 to the expansion valve (not shown) may include a gaseous refrigerant that is not liquefied by the condenser 1. When gaseous refrigerant is supplied to the expansion valve, the cooling performance is lowered. Therefore, a gaseous refrigerant that is not liquefied in the condenser 1 is separated from the liquefied refrigerant between the condenser 1 and the expansion valve (not shown). A receiver 50 is provided which serves to supply the bay to the expansion valve.

When the refrigerant discharged from the condenser 1 contains foreign substances such as moisture and dust, the cooling efficiency is lowered. Therefore, the receiver 50 is usually provided with a desiccant and a filter.

Applicant has proposed a receiver as patent application 2001-013385.

As shown in FIG. 2, the receiver 50 includes a housing 51 in which caps 51a and 51b are coupled to upper and lower openings, and a desiccant 52 and a filter inserted into the housing 51. It consists of 53.

The housing 51 has a plurality of through holes 51c and 51d to which three connecting tubes 24, 25 and 26 are connected to be connected to the second header tank 20 (see FIG. 1) of the condenser 1. 51e is punctured.

The desiccant 52 is disposed at an approximately center portion inside the housing 51 by porous baffles 54 and 54a fixed to the housing 51 while being disposed above and below the desiccant 52. The filter 53 is installed on the upper surface of the baffle 54b fixed to the housing 51 via the filter fixing pipe 55 standing vertically.

According to the receiver as described above has the following problems.

The receiver 50 inserts the baffles 54a and 54b and the filter 53 into the housing 51 to fix them by caulking, and the desiccant 52 is inserted into the housing 51 to lower the baffle 54a. After mounting the upper baffle 54 into the housing 51 to cover the upper part of the desiccant 52, the upper and lower caps 51a and 51b are assembled to the upper and lower openings of the housing 51, and the like. Bar is manufactured, there are a lot of parts and assembly process for assembly, there is a problem that the productivity is lowered.

In addition, when caulking the housing 51 to fix the desiccant 52, a crack may occur in the housing 51, and there is a fear that the refrigerant leaks.

The present invention has been invented to solve the above problems, an object of the present invention is to provide a receiver that can simplify the assembly process by improving the structure of the receiver.

Another object of the present invention is to prevent cracking in the housing during manufacture of the receiver.

The receiver according to the present invention for achieving the object as described above, the receiver is connected to the header tank of any one of the first and second header tanks arranged side by side at a predetermined interval via a plurality of connecting pipes In the condenser, the receiver comprises: a housing having an open top and having a seamless cylindrical shape, the cap being coupled to the opening; And, it is characterized in that it comprises a desiccant and a filter corresponding to the connecting tube communicating with the supercooling portion of the plurality of connecting tubes connected to the header tank while seated on the bottom of the housing.

The desiccant may be integrated by being wrapped by a filter.                     

As another structure, the desiccant is inserted into the porous desiccant tank having one side opened, and the desiccant tank is disposed so that the opening faces the bottom portion of the housing, and corresponds to the coolant distribution hole and the supercooling portion penetrating up and down. Is inserted into the baffle is provided with a refrigerant distribution hole in communication with the connecting pipe.

In another structure, a vertical partition wall having refrigerant flow holes is integrally formed at the bottom of the housing, and any one of the spaces divided by the partition walls communicates with a connection tube corresponding to the subcooling part. The desiccant is inserted into another space, and a porous baffle is disposed at a portion corresponding to the desiccant on the partition wall.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, the terms or words used in the present specification and claims are defined in the technical spirit of the present invention on the basis of the principle that the inventor can appropriately define the concept of the term in order to explain his invention in the best way. It must be interpreted to mean meanings and concepts.

<Example 1>

Figure 3 is a longitudinal sectional view showing one embodiment of the receiver according to the present invention.

As shown in FIG. 3, the receiver 100 is formed in a tubular shape having an upper opening, and is mounted on a housing 110 having a cap 111 assembled therein and a bottom of the housing 110. Desiccant 120 is provided.

The housing 110 may be adjacent to either the first header tank (see FIG. 1) or the second header tank 20 of the condenser, and preferably adjacent to the second header tank 20. The housing 110 is erected in a vertical direction next to the second header tank 20 in parallel with the second header tank 20 and is connected to the second header tank by three connectors 24, 25, 26. It is connected to the innermost upper space S5, the upper third space S7 and the lowermost space S8, respectively.

The housing 110 is connected to the connection pipes 24, 25 and 26, respectively, which are discharged from the second header tank 20 of the condenser so as to allow refrigerant flow.

The desiccant 120 is inserted into the housing 110 while being wrapped in the filter 130 to correspond to the third connecting pipe 26 communicating with the lowermost space S8 of the condenser, which is a subcooling part, at the bottom of the housing 110. It may be seated, the upper portion of the three connector tube 24, 25, 26 from the second header tank 20 of the condenser so as not to block the second second connector tube 25 from the upper side The baffle 140 may be disposed below the connection pipe 25.

After the desiccant 120, the filter 130, and the baffle 140 are inserted into the housing 110, the cap 111 is coupled to the upper opening of the housing 110.

Referring to the flow of the refrigerant according to the first embodiment configured as described above, as shown in Figure 1, the high-temperature / high-pressure air refrigerant from the compressor (not shown) through the refrigerant inlet pipe (11) the first header tank (10) It is drawn into the second space (S2) of the first condensed while passing through the third fluid passage (P3).

The first condensed gas-liquid mixed refrigerant is introduced into the central space S6 of the second header tank 20, where the liquid refrigerant that is relatively heavy in weight relative to the air coolant is dropped onto the baffle 22 of the space S6. After gathering in the space within the second header tank 20, the U-turn is repeated in the downward direction to flow through the fourth and fifth fluid passages P4 and P5, and then through the central second connecting pipe 25. It is drawn into the housing 110 of the 100.

The refrigerant introduced through the second connecting pipe 25 is separated from the gas-liquid by its own weight while passing through the baffle 140. That is, the gaseous refrigerant is positioned above the baffle 140 by its own weight, and the liquid phase refrigerant passes through the baffle 140 to remove foreign substances and moisture by the filter 130 and the desiccant 120, respectively, and then the third It enters into the last space (S8) of the second header tank 20 through the connecting pipe (26).

In addition, the gaseous refrigerant separated from the liquid refrigerant in the space S6 is repeatedly U-turned upward by the buoyancy to pass through the second and first fluid passages P2 and P1 (see FIG. 1). , The third condensed and then enters the receiver 100 through the first connecting tube 24 as a liquid and / or liquid / cooled gaseous state. As described above, the refrigerant flowing through the first connection pipe 24 is separated from the gas liquid while passing through the baffle 140 together with the refrigerant introduced into the housing 110 through the second connection pipe 25 to remove moisture. Only the liquid refrigerant in the opened state flows into the last space S8 of the second header tank 20 through the third connecting pipe 26.

<Example 2>

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

As shown therein, the receiver 100 according to the second embodiment has a housing 110 having only an upper side opened and a cap 111 coupled to the opening, and a desiccant seated at the bottom of the housing 110. It is the same as the first embodiment having a 120, the desiccant 120 may be installed via the porous desiccant tank 150.

One side of the desiccant tank 150 is opened and the desiccant 120 is inserted into the opening of the desiccant tank 150.

The desiccant tank 150 may also be inserted into the baffle 160 in which one side of the desiccant tank 150 is opened so that the opening thereof is seated at the bottom of the housing 110. The horizontal portion (that is, the upper surface) of the baffle 160 has a refrigerant flow hole 161 penetrating up and down, and the third connection that is discharged from the second header tank 20 of the condenser in the vertical circumference (that is, the side wall) A refrigerant flow hole 162 communicating with the pipe 26 is formed.

Inside the baffle 160, a filter 170 may be installed in which the periphery is fixed to the baffle 160.

The baffle 160 is formed longer than the desiccant tank 150 to have a predetermined internal space, and the internal space communicates with the third connection pipe 26 through the refrigerant flow hole 16.

In the assembling process of the receiver 100 according to the second embodiment configured as described above, the desiccant 120 is inserted into the desiccant tank 150 and the desiccant tank 150 is inserted into the baffle 160. When the baffle 160 and the desiccant tank assembly are inserted into the housing 110 so that the opening faces the bottom of the housing 110, the bottom surface of the open end of the baffle 160 and the desiccant tank 150 is connected to the housing 110. It is seated at the bottom of the. Subsequently, the cap 111 is assembled to the upper opening of the housing 110.

Referring to the flow of the refrigerant according to the second embodiment configured as described above, the refrigerant is introduced into the receiver housing 100 in the condenser second header tank 20 is the same as the operation of the first embodiment, and will be omitted. The refrigerant introduced into the receiver housing 210 through the two connecting pipes 24 and 25 is separated from the liquid by self-weight while passing through the baffle 160, and after the moisture is removed by the desiccant 120, the third connection. It is introduced into the second header tank 20 through the pipe (26).

     <Example 3>

5 is a longitudinal cross-sectional view showing yet another embodiment according to the present invention, as shown in the receiver 100, as in the first and second embodiment, the housing 111 is coupled to the cap 111 in the upper opening ( 110, and a desiccant 120 inserted into the bottom of the housing 110.

According to the third embodiment, a vertical partition wall 112 having a plurality of coolant distribution holes 112a is integrally formed at the bottom of the housing 110 so that the bottom of the housing 110 is divided by the partition wall 112. The additional compartment is divided into two spaces, and the desiccant 120 is inserted into a space opposite the space connected to the third connection pipe 26 among the spaces partitioned by the partition wall 112.

The plate-shaped baffle 180 is fixed to the upper part of the dividing wall 112. The baffle 180 has a plurality of refrigerants only in a space that is not connected to the third connecting pipe 26 with respect to the partition wall 112 while installed in the housing 110 (that is, a space into which the desiccant 320 is inserted). The distribution hole 181 is drilled.

The filter 190 may be further disposed above the desiccant 120 in the space partitioned by the dividing wall 112.

Briefly describing the flow of the refrigerant according to the third embodiment, the refrigerant introduced through the first and second connection pipes 24 and 25 passes through the baffle 180 and is gas-liquid separated so that the liquid refrigerant is the refrigerant in the baffle 180. After the water is removed through the desiccant 120 through the distribution hole 181, the water is supplied to the third connection pipe 26 through the refrigerant distribution hole 112a of the dividing wall 112.                     

Common to all of the first, second, and third embodiments, the housing 110 may be manufactured by drawing the upper side to be opened, and the desiccant 120 may be pressed into the housing 110.

Therefore, since the lower part of the housing 110 is sealed to press the desiccant 120 into the housing 110, and the receiver can be manufactured by two operations of coupling the cap 111, it is simpler than the manufacturing operation of the conventional receiver. Become.

In addition, the lower part of the housing 110 is hermetically sealed, so that the desiccant 120 is naturally installed in the housing 110 without using a separate structure, so that separate parts for fixing the desiccant to the housing are reduced as in the prior art, and thus, sap. The assembly work of the machine is reduced. In particular, there is no work to caulk the housing in order to fix the desiccant conventionally.

As described above, according to the receiver of the present invention, since the lower part of the housing is closed and the desiccant is seated on the bottom of the housing, the parts for fixing the desiccant are reduced and the assembly process is eliminated, thereby improving productivity of the receiver. Can be.

When the drying agent is bonded to the housing, cracks do not occur in the housing, thereby preventing leakage of the refrigerant.

While the invention has been described and illustrated in connection with a preferred embodiment for illustrating the principles of the invention, the invention is not limited to the configuration and operation as such is shown and described. Rather, those skilled in the art will appreciate that many modifications and variations of the present invention are possible without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

Claims (4)

In a receiver integrated condenser in which a receiver is connected to a header tank of any one of the first and second header tanks arranged at a predetermined interval through a plurality of connectors, The receiver includes a housing having an upper opening and having a seamless tubular shape and having a cap coupled to the opening; And, it is made to include a desiccant and a filter corresponding to the connecting tube communicating with the supercooling part of the plurality of connecting pipes connected to the header tank while seated on the bottom of the housing, The desiccant is inserted into the porous desiccant tank having one side opened, and the desiccant tank is disposed such that its opening faces the bottom of the housing, and has a coolant distribution hole penetrating up and down and a connection tube corresponding to the supercooling part. Injector is characterized in that it is inserted into the baffle provided with the refrigerant flow hole communicating. The receiver of claim 1 wherein the desiccant is wrapped by a filter. delete In a receiver integrated condenser in which a receiver is connected to a header tank of any one of the first and second header tanks arranged at a predetermined interval through a plurality of connectors, The receiver includes a housing having an upper opening and having a seamless tubular shape and having a cap coupled to the opening; And, it is made to include a desiccant and a filter corresponding to the connecting tube communicating with the supercooling part of the plurality of connecting pipes connected to the header tank while seated on the bottom of the housing, A vertical partition wall having a coolant distribution hole is integrally formed at the bottom of the housing, and one of the spaces divided by the partition wall communicates with a connection tube corresponding to the supercooling part, and the desiccant is located in the other space. Is inserted, the fluid receiver, characterized in that the porous baffle is disposed in the portion corresponding to the desiccant on the partition wall.

Images