KR20230103967A - Accumulator for vehicles - Google Patents

Abstract

The present invention relates to an accumulator for a vehicle, which separates gaseous refrigerant and liquid refrigerant from refrigerant circulating in a refrigerant circulation line and discharges the gaseous refrigerant. The accumulator for a vehicle comprises: a main body in which gaseous refrigerant and liquid refrigerant are separated and stored up and down; a head portion coupled to an upper portion of the main body, and including a first inlet, a second inlet, and an outlet; a refrigerant discharge pipe disposed inside the main body to allow the gaseous refrigerant stored in the main body to move to the outlet; and a deflector installed inside the main body to scatter the refrigerant flowing thereinto. The refrigerant flowing through either the first inlet or the second inlet bypasses the deflector to flow into the main body. Therefore, the accumulator for a vehicle can change a structure in which the refrigerant flows into the accumulator in cooling and heating modes, thereby reducing a pressure loss caused by the deflector.

Description

Accumulator for vehicles {Accumulator for vehicles}

The embodiment relates to an accumulator for a vehicle. More specifically, it relates to a vehicle accumulator for responding to a high refrigerant flow rate.

In general, an air conditioner for a vehicle includes a cooling system for cooling the interior of a vehicle and a heating system for heating the interior of the vehicle.

The cooling system is configured to cool the interior of the vehicle by exchanging heat with air passing through the outside of the evaporator at the evaporator side of the refrigerant cycle with a refrigerant flowing inside the evaporator to convert it into cold air. Further, the heating system heats the air passing through the outside of the heater core at the heater core side of the cooling water cycle with the cooling water flowing inside the heater core to heat the interior of the vehicle.

Meanwhile, a heat pump system that is different from the aforementioned vehicle air conditioner and can selectively perform cooling and heating by changing the flow direction of the refrigerant using one refrigerant cycle is applied. For example, the heat pump system includes two heat exchangers (that is, an indoor heat exchanger installed inside the air conditioning case to exchange heat with air blown into the vehicle interior and an outdoor heat exchanger for heat exchange outside the air conditioning case), and a flow direction of the refrigerant. Equipped with a directional control valve that can switch the Therefore, when the cooling mode is operated according to the flow direction of the refrigerant by the directional control valve, the indoor heat exchanger serves as a heat exchanger for cooling, and when the heating mode is operated, the indoor heat exchanger serves as a heat exchanger for heating. will do

Currently, accumulators applied to heat pump systems use deflectors to improve gas-liquid separation. However, since the recently developed heat pump system for an electric vehicle needs to simultaneously perform cooling, battery thermal management, and vehicle controller thermal management, the flow rate of the refrigerant passing through the accumulator is increased compared to the previous heat pump system.

As the refrigerant flow rate increases, the pressure loss generated in the deflector further increases, so the degree of reduction in air conditioning system efficiency due to the pressure loss further increases. Therefore, it is necessary to apply an accumulator capable of relatively reducing pressure loss in an air conditioning system requiring a high refrigerant flow rate.

The purpose of the embodiment is to reduce the pressure loss caused by the deflector by changing the structure flowing into the accumulator in the cooling mode and the heating mode.

The problem to be solved by the present invention is not limited to the above-mentioned problems, and other problems not mentioned herein will be clearly understood by those skilled in the art from the following description.

An embodiment of the present invention is a vehicle accumulator that separates gaseous refrigerant and liquid refrigerant from refrigerant circulating in a refrigerant circulation line and discharges gaseous refrigerant, comprising: a main body in which gaseous refrigerant and liquid refrigerant are separated up and down and stored therein; a head portion coupled to an upper portion of the main body and including a first inlet, a second inlet, and an outlet; a refrigerant discharge pipe disposed inside the main body and moving the gaseous refrigerant stored in the main body to the outlet; and a deflector installed inside the main body to scatter the incoming refrigerant, wherein the refrigerant introduced through either the first inlet or the second inlet bypasses the deflector and flows into the main body. can be done with

Preferably, the refrigerant introduced in the cooling mode moves through one of the first inlet or the second inlet and the refrigerant introduced in the heating mode moves through the other, and the refrigerant introduced in the cooling mode moves through the deflector. It may be characterized as bypassing.

Preferably, the refrigerant introduced in the cooling mode may pass through a bypass pipe penetrating the deflector.

Preferably, the refrigerant introduced in the heating mode may be introduced into the main body after colliding with the deflector.

Preferably, the refrigerant discharge pipe may have a 'U'-shaped structure in which one side is disposed on the upper side of the main body and the other side is connected to the outlet.

Preferably, the deflector may be characterized in that it is connected to and fixed to one side of the refrigerant discharge pipe.

Preferably, the lower part of the refrigerant discharge pipe may be fixed to the lower surface of the main body.

Preferably, the first inlet is disposed to be spaced apart from the deflector in a first direction, and the second inlet is disposed to overlap the deflector.

Preferably, the deflector includes a plate portion coupled to the refrigerant discharge pipe and a bent portion extending from the plate portion, and the bent portion overlaps the second inlet.

Preferably, the bent portion may include a first curved surface convexly formed toward the head portion.

Preferably, the refrigerant discharge pipe includes a discharge pipe inlet into which the gaseous refrigerant flows and a discharge pipe outlet connected to the outlet of the head unit, and the first inlet is spaced apart from the discharge pipe inlet in a first direction to have a first separation distance. The second inlet is spaced apart from the inlet of the discharge pipe in a first direction to have a second distance.

Preferably, the refrigerant discharge pipe includes a discharge pipe inlet into which gaseous refrigerant flows and a discharge pipe outlet connected to the outlet of the head unit, and the discharge pipe inlet overlaps the deflector.

Preferably, the deflector further includes a protrusion, and the protrusion overlaps the second inlet.

In addition, the present invention is a vehicle accumulator having a deflector that separates the refrigerant circulating in the refrigerant circulation line into gaseous refrigerant and liquid refrigerant, discharges the gaseous refrigerant, and scatters the incoming refrigerant, wherein the refrigerant flowing into the accumulator is cooled. The refrigerant in the heating mode may bypass the deflector, and the refrigerant in the heating mode may move into the accumulator after colliding with the deflector.

According to the embodiment, since the refrigerant bypasses the deflector in the cooling mode, pressure loss caused by the deflector is reduced.

In addition, in the heating mode, the gas-liquid separation ability can be improved by using the deflector, and through this, the efficiency of the heat pump system can be improved.

Various advantageous advantages and effects of the present invention are not limited to the above description, and will be more easily understood in the process of describing specific embodiments of the present invention.

1 is a perspective view of a vehicle accumulator according to an embodiment of the present invention;
2 is a diagram showing the flow of refrigerant by the deflector according to the first embodiment of the present invention;
3 is a diagram showing a movement path of a refrigerant by the deflector according to the first embodiment in a cooling mode;
4 is a diagram showing a movement path of a refrigerant by a deflector according to a first embodiment in a heating mode;
5 is a view showing the arrangement relationship between a deflector disposed in an accumulator according to a second embodiment of the present invention, an inlet and outlet of a head part, and a refrigerant discharge pipe;
6 is a diagram showing a movement path of a refrigerant by a deflector according to a second embodiment in a cooling mode;
7 is a diagram showing a movement path of a refrigerant by a deflector according to a second embodiment in a heating mode;
8 is a plan view showing an accumulator according to a third embodiment of the present invention;
9 is an exploded perspective view showing an accumulator according to a third embodiment of the present invention;
10 is a cross-sectional view taken along line AA of FIG. 8;
11 is a cross-sectional view taken along line BB of FIG. 8;
12 is a diagram showing a movement path of a refrigerant by a deflector according to a third embodiment in a cooling mode;
13 is a diagram showing a movement path of a refrigerant by a deflector according to a third embodiment in a heating mode.

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

However, the technical idea of the present invention is not limited to some of the described embodiments, but may be implemented in a variety of different forms, and if it is within the scope of the technical idea of the present invention, one or more of the components among the embodiments can be selectively implemented. can be used by combining and substituting.

In addition, terms (including technical and scientific terms) used in the embodiments of the present invention, unless explicitly specifically defined and described, can be generally understood by those of ordinary skill in the art to which the present invention belongs. It can be interpreted as meaning, and commonly used terms, such as terms defined in a dictionary, can be interpreted in consideration of contextual meanings of related technologies.

Also, terms used in the embodiments of the present invention are for describing the embodiments and are not intended to limit the present invention.

In this specification, the singular form may also include the plural form unless otherwise specified in the phrase, and when described as “at least one (or more than one) of A and (and) B and C”, A, B, and C are combined. may include one or more of all possible combinations.

Also, terms such as first, second, A, B, (a), and (b) may be used to describe components of an embodiment of the present invention.

These terms are only used to distinguish the component from other components, and the term is not limited to the nature, order, or order of the corresponding component.

In addition, when a component is described as being 'connected', 'coupled' or 'connected' to another component, the component is not only directly connected to, combined with, or connected to the other component, but also with the component. It may also include the case of being 'connected', 'combined', or 'connected' due to another component between the other components.

In addition, when it is described as being formed or disposed on “above (above) or below (below)” of each component, “upper (above)” or “lower (below)” is not only a case where two components are in direct contact with each other, but also one A case in which another component above is formed or disposed between two components is also included. In addition, when expressed as “up (up) or down (down)”, it may include the meaning of not only the upward direction but also the downward direction based on one component.

Hereinafter, the embodiment will be described in detail with reference to the accompanying drawings, but the same or corresponding components regardless of reference numerals are given the same reference numerals, and overlapping descriptions thereof will be omitted.

1 to 8 clearly show only the main features in order to clearly understand the present invention conceptually, and as a result, various modifications of the diagram are expected, and the scope of the present invention is limited by the specific shapes shown in the drawings. It doesn't have to be.

Example 1

1 is a perspective view of a vehicle accumulator according to an embodiment of the present invention, FIG. 2 is a view showing the flow of refrigerant by a deflector according to a first embodiment of the present invention, and FIG. 3 is a view showing the first embodiment in a cooling mode. FIG. 4 is a diagram showing a movement path of the refrigerant by the deflector according to the first embodiment in a heating mode. The X direction shown in FIGS. 3 and 4 may indicate a horizontal direction or a first direction, and the Y direction may indicate a vertical direction, a vertical direction, or a second direction. At this time, the upper part in the drawing may indicate an upper direction and the lower part may indicate a lower direction. Further, the X direction and the Y direction mean different directions and may be perpendicular to each other. And, the deflector 400 shown in FIGS. 2 and 3 may represent the deflector according to the first embodiment.

1 to 4, the present invention discloses a vehicle accumulator 1 having a deflector that separates gaseous refrigerant and liquid refrigerant from refrigerant circulating in a refrigerant circulation line and scatters the refrigerant introduced into the inside. Among the refrigerants introduced into the accumulator 1, the refrigerant in the cooling mode bypasses the deflector 400, and the refrigerant introduced in the heating mode collides with the deflector 400 and moves into the accumulator 1. to be characterized

An object of the present invention is to reduce the pressure loss caused by the deflector 400 by bypassing the refrigerant flowing into the accumulator 1 in the cooling mode.

Recently, air conditioning systems require not only indoor cooling, but also battery cooling and vehicle controller cooling. In this case, a larger refrigerant flow rate is required than when only indoor cooling is performed.

As the refrigerant flow rate increases, the pressure loss generated in the deflector 400 increases and causes a greater reduction in efficiency of the air conditioning system. In the present invention, the refrigerant flowing into the accumulator 1 in the cooling mode bypasses the deflector 400, so that system efficiency can be increased when cooling, battery cooling, and vehicle controller cooling mode functions are performed.

A vehicle accumulator (1) for discharging gaseous refrigerant by separating gaseous refrigerant and liquid refrigerant from refrigerant circulating in a refrigerant circulation line according to an embodiment of the present invention includes a body 100, a head part 200, and a refrigerant discharge pipe 300 , and the deflector 400 may be included.

The main body 100 may store gaseous refrigerant and liquid refrigerant separated up and down therein. The main body 100 is in the form of a container with an empty inside, and may have a cylindrical shape with an open upper end and a closed lower end. For example, the main body 100 may be formed in a cylindrical shape with an opening formed thereon. Here, the body 100 may be referred to as a housing.

When the refrigerant is introduced into the body 100, the gaseous refrigerant, the liquid refrigerant, and the oil may be separated and stored in the order of density inside the body 100.

The head part 200 is coupled to the upper part of the main body 100 and may include a first inlet 210 , a second inlet 220 , and an outlet 230 . The head part 200 is coupled to seal the open top of the main body 100 . In addition, a first inlet 210 and a second inlet 220 may be formed in the head part 200 to introduce refrigerant into the main body 100, and an outlet 230 for discharging gaseous refrigerant may be provided. can be formed

The refrigerant introduced through either the first inlet 210 or the second inlet 220 of the head unit 200 may bypass the deflector 400 and be introduced into the main body 100 .

At this time, one of the first inlet 210 or the second inlet 220 moves the refrigerant introduced in the cooling mode, and the other one moves the refrigerant introduced in the heating mode, but the refrigerant introduced in the cooling mode moves through the deflector. (400) can be bypassed.

Hereinafter, the first inlet 210 is a passage through which the refrigerant flows in the cooling mode, and the second inlet 220 is a passage through which the refrigerant flows in the heating mode.

A first flange 211 for connecting a pipe for moving the refrigerant in the cooling mode may be disposed above the first inlet 210, and at the top of the second inlet 220, the refrigerant moves in the heating mode. A second flange 221 to which a pipe is connected may be disposed.

In addition, one side of the refrigerant introduced in the cooling mode is connected to the first inlet 210 of the head unit 200, and the other side passes through the deflector 400 so that the refrigerant directly flows into the inner space of the main body 100. It may be connected to the bypass pipe 213. The shape of the bypass pipe 213 is not limited, and may be modified into various shapes and structures for bypassing the deflector 400 by refrigerant flowing into the main body 100 .

In addition, the refrigerant introduced in the heating mode may be introduced into the main body 100 after colliding with the upper surface of the deflector 400 .

As a result, the present invention has a structure having two refrigerant inlets and one outlet 230, and can change the inflow path of the refrigerant by distinguishing between the cooling mode and the heating mode.

The refrigerant discharge pipe 300 is disposed inside the main body 100 and serves as a passage through which gaseous refrigerant stored in the main body 100 can be moved to the outlet 230 of the head unit 200 .

The refrigerant discharge pipe 300 may have a 'U'-shaped structure in which one side is disposed above the main body 100 and the other side is connected to the outlet 230. At this time, one side of the refrigerant discharge pipe 300 disposed on the upper side of the main body 100 becomes an inlet for the gaseous refrigerant to flow in. At this time, the inlet of the refrigerant discharge pipe 300 through which the gaseous refrigerant flows may be disposed below the deflector 400 or may be disposed to overlap the deflector 400 in a horizontal direction.

The gaseous refrigerant flowing into the inlet of the refrigerant discharge pipe 300 descends along the 'U' shaped passage, passes through the lower part of the refrigerant discharge pipe 300, rises again, and is discharged through the outlet 230 of the head unit 200. It can be.

The other side of the refrigerant discharge pipe 300 may be fixed to the head part 200 . In one embodiment, the outlet 230 side of the refrigerant discharge pipe 300 may be fixed to the head unit 200 in a structure in which one side is expanded.

In addition, the lower part of the refrigerant discharge pipe 300 may be fixed to the lower surface of the main body 100. In one embodiment, the lower part of the 'U' of the refrigerant discharge pipe 300 may be fixed to the lower surface of the main body 100 using a separate fixing part 110. The shape or type of the fixing part 110 is not limited and may be modified in various structures.

The lower part of the head part 200, which is the other side of the refrigerant discharge pipe 300, is connected to the main body 100 so that flow inside the main body 100 can be prevented.

The deflector 400 may be installed inside the main body 100 to scatter the introduced refrigerant. At this time, as mentioned above, the refrigerant introduced in the cooling mode bypasses the deflector 400, and the refrigerant introduced in the heating mode is scattered through the deflector 400 and introduced into the main body 100. As the structure or shape of the deflector 400, various well-known structures may be used.

The deflector 400 may have a structure in which the refrigerant discharge pipe 300 passes through one area. At this time, the deflector 400 may have a structure fixed between the refrigerant discharge pipe 300 and the head part 200.

Referring to FIG. 2, the deflector 400 includes a circular scattering plate 410 having a guide groove 430 formed therein, and a cylindrical compartment 420 extending a predetermined length downward from the edge of the scattering plate 410. ) may be included.

The partition cylinder 420 prevents the refrigerant scattered by hitting the inner surface of the main body 100 from flowing into the refrigerant discharge pipe 300.

The guide groove 430 may guide the flow of the refrigerant introduced through the second inlet 220 and colliding with the deflector 400 .

Hereinafter, the operation of the vehicle accumulator 1 according to the present invention will be described.

First, the refrigerant is circulated according to the mode of the heat pump system and then introduced into the accumulator (1). Separate heating and cooling modes are provided with pipes for moving refrigerant, the cooling pipe for moving the refrigerant in the cooling mode is connected to the first inlet 210 of the head unit 200, and the heating for moving the refrigerant in the heating mode. A pipe may be connected to the second inlet 220 of the head part 200 .

In the cooling mode in the heat pump system, the refrigerant is introduced through the first inlet 210 and may be introduced into the main body 100 after bypassing the deflector 400 .

In addition, when the heat pump system is in a heating mode, refrigerant is introduced through the second inlet 220, and the introduced refrigerant collides with the deflector 400 and is scattered to move to the main body 100.

After the refrigerant moving to the main body 100 is separated into gaseous refrigerant and liquid refrigerant inside the main body 100, the gaseous refrigerant moves along the refrigerant discharge pipe 300 and is supplied to the compressor to circulate through the heat pump system.

Second embodiment

5 is a view showing the arrangement relationship between a deflector disposed in an accumulator according to a second embodiment of the present invention, an inlet and outlet of a head part, and a refrigerant discharge pipe, and FIG. FIG. 7 is a diagram showing the movement path of the refrigerant by the deflector according to the second embodiment in the heating mode. Here, the solid line arrows shown in FIGS. 6 and 7 may indicate the refrigerant flowing into the inside, and the dotted line arrows may indicate the movement of the gaseous refrigerant.

Compared with the deflector 400 according to the first embodiment shown in FIGS. 2 to 3 , the deflector 400a according to the second embodiment shown in FIGS. 5 to 7 is different in shape and the like. In detail, in the accumulator 1a according to the second embodiment, the deflector 400a disposed inside the main body 100 is miniaturized so that the refrigerant flowing into the main body 100 in the cooling mode is separated from the deflector 400a. Regardless, it can be introduced into the interior of the main body 100.

The accumulator 1a according to the second embodiment may include a body 100, a head part 200, a refrigerant discharge pipe 300, and a deflector 400a according to the second embodiment.

Since the deflector 400a according to the second embodiment is smaller than the deflector 400 according to the first embodiment, the refrigerant introduced through the first inlet 210 of the head unit 200 interferes with the deflector 400a. It can be directly introduced into the interior of the main body 100 without. Accordingly, the refrigerant introduced in the cooling mode may bypass the deflector 400a. In detail, the first inlet 210 of the head unit 200 may be disposed not to overlap with the deflector 400a in the first direction. As shown in FIG. 5 , the first inlet 210 may be disposed to be spaced apart from the deflector 400a in the first and second directions.

5 to 7 , the refrigerant discharge pipe 300 may include a discharge pipe inlet 310 into which gaseous refrigerant flows and a discharge pipe outlet 320 connected to the outlet 230 of the head unit 200.

The discharge pipe inlet 310 may be disposed to be spaced apart from the first inlet 210 and the second inlet 220 in the first and second directions. That is, the discharge pipe inlet 310 may be disposed so as not to overlap the first inlet 210 and the second inlet 220 in the vertical direction. Accordingly, the refrigerant flowing into the body 100 through the first inlet 210 or the second inlet 220 does not flow into the discharge pipe inlet 310 .

In detail, the outer diameter of the discharge pipe inlet 310 may be spaced apart from the inner diameter of the first inlet 210 to have a first separation distance d1. Also, the outer diameter of the discharge pipe inlet 310 may be spaced apart from the inner diameter of the second inlet 220 to have a second distance d2. Here, the first separation distance d1 and the second separation distance d2 may be the same, but are not necessarily limited thereto. For example, considering the second inlet 220 disposed above the deflector 400a, the second separation distance d2 may be greater than the first separation distance d1.

At this time, even if the second inlet 220 overlaps with the deflector 400a, since the discharge pipe inlet 310 is sufficiently spaced from the second inlet 220, the refrigerant that hits the deflector 400a is discharged from the discharge pipe inlet. (310) does not flow. Furthermore, by disposing the discharge pipe inlet 310 adjacent to the lower portion of the head portion 200, the problem of refrigerant flowing into the discharge pipe inlet 310 may be prevented in advance.

In addition, the outer diameter of the discharge pipe inlet 310 may be spaced apart from the deflector 400a to have a third separation distance d3. Also, the third separation distance d3 may be formed in consideration of the refrigerant that is scattered after colliding with the deflector 400a. At this time, the third separation distance d3 is smaller than the second separation distance d2.

The discharge pipe outlet 320 may be connected to the outlet 230 of the head unit 200 . Accordingly, the gaseous refrigerant introduced into the discharge pipe inlet 310 may move to the outlet 230 of the head unit 200 through the discharge pipe outlet 320 .

The deflector 400a may include a plate portion 440 and a bent portion 450 extending from an end of the plate portion 440 .

The plate unit 440 may include a hole through which the refrigerant discharge pipe 300 is disposed, and the refrigerant discharge pipe 300 may be disposed inside the hole. At this time, since the plate part 440 is coupled to the refrigerant discharge pipe 300 through the hole, the flow of the deflector 400a can be prevented.

In addition, a guide groove 430 may be disposed in the plate part 440 . Accordingly, the guide groove 430 may guide the flow of the refrigerant introduced through the second inlet 220 and colliding with the bent portion 450 of the deflector 400a.

The bent part 450 may be disposed under the second inlet 220 . Also, the bent portion 450 may be disposed to overlap the second inlet 220 in the vertical direction.

Also, the bent portion 450 may include a curved surface 451 convexly formed toward the head portion 200 . Accordingly, the curved surface 451 can minimize a pressure loss of the refrigerant colliding with the curved surface 451 . At this time, the curved surface 451 may be disposed to overlap the second inlet 220 in the vertical direction. Here, the curved surface 451 convexly formed toward the head portion 200 may be referred to as a first curved surface or an upper curved surface.

Also, the bent portion 450 may include a second curved surface 452 formed on a surface opposite to the first curved surface 451 .

The second curved surface 452 may be formed in a shape corresponding to the first curved surface 451 and may be disposed below the bent portion 450 . Also, the second curved surface 452 may be concave toward the head part 200 .

Meanwhile, the uppermost end of the curved surface 451 may be disposed lower than the discharge pipe inlet 310 based on the vertical direction. For example, the discharge pipe inlet 310 may be disposed closer to the head portion 200 than the curved surface 451 . Accordingly, the refrigerant introduced through the second inlet 220 and colliding with the curved surface 451 may be blocked from flowing into the discharge pipe inlet 310 .

Third embodiment

8 is a plan view showing an accumulator according to a third embodiment of the present invention, FIG. 9 is an exploded perspective view showing an accumulator according to a third embodiment of the present invention, and FIG. 10 is a cross-sectional view taken along the line A-A of FIG. FIG. 11 is a cross-sectional view taken along line B-B of FIG. 8, FIG. 12 is a view showing a movement path of a refrigerant by a deflector according to a third embodiment in a cooling mode, and FIG. 13 is a deflector according to a third embodiment in a heating mode. It is a diagram showing the movement path of the refrigerant by Arrows shown in FIGS. 12 and 13 may indicate refrigerant flowing into the inside through the first inlet 210 or the second inlet 220 .

8 and 9, the accumulator 1b according to the second embodiment includes a main body 100, a head part 200, a refrigerant discharge pipe 300, and a deflector 400b according to the third embodiment. can do.

Compared with the deflector 400 according to the first embodiment and the deflector 400a according to the second embodiment, the deflector 400b according to the third embodiment shown in FIGS. There is a difference in placement location, etc. In detail, the accumulator 1b according to the third embodiment reduces the size of the deflector 400b disposed inside the body 100 and at the same time arranges the discharge pipe inlet 310 to overlap the deflector 400b, thereby cooling mode. While the refrigerant flowing into the main body 100 flows into the main body 100 regardless of the deflector 400a, it is possible to block the refrigerant from flowing into the discharge pipe inlet 310.

The deflector 400b according to the third embodiment may include a scattering plate 410a and a partition tube 420 extending a predetermined length downward from an edge of the scattering plate 410 . Here, the scattering plate 410a is formed in a heart shape as an example, but is not necessarily limited thereto.

In addition, the deflector 400b according to the third embodiment may further include a protrusion 460 convexly formed on the upper surface of the scattering plate 410a.

In addition, the deflector 400b according to the third embodiment may further include a guide groove 430 formed in the scattering plate 410a.

The scattering plate 410a is arranged to overlap the discharge pipe inlet 310 disposed at the lower portion to prevent the refrigerant flowing into the first inlet 210 or the second inlet 220 from entering the discharge pipe inlet 310. .

In addition, since the scattering plate 410a does not overlap the first inlet 210 in the second direction, the refrigerant introduced through the first inlet 210 of the head unit 200 does not interfere with the deflector 400b. It may be introduced directly into the body 100. Accordingly, the refrigerant introduced in the cooling mode may bypass the deflector 400b.

The compartment 420 may be disposed to overlap the discharge pipe inlet 310 in the first direction. At this time, the discharge pipe inlet 310 may be disposed inside the compartment 420 . Accordingly, the refrigerant scattered against the inner surface of the main body 100 is prevented from flowing into the refrigerant discharge pipe 300. In addition, the gaseous refrigerant collected inside the deflector 400b by the scattering plate 410a and the partition cylinder 420 can be easily introduced into the discharge pipe inlet 310 .

The protrusion 460 may be disposed to overlap the second inlet 220 in the second direction. In this case, the protrusion 460 may be disposed at the center C of the second inlet 220 . Accordingly, since the refrigerant introduced through the second inlet 220 collides with the protrusion 460, the refrigerant resistance can be reduced. Also, as the refrigerant resistance is reduced, the pressure loss caused by the deflector 400b may also be reduced.

As shown in FIG. 13, in the heating mode, the refrigerant introduced through the second inlet 220 collides with the protrusion 460 and is scattered, and the scattered refrigerant is guided by the scattering plate 410a. Accordingly, a pressure loss of the refrigerant that occurs when the refrigerant collides with the deflector 400b may be reduced.

In addition, the outer diameter of the discharge pipe inlet 310 may be spaced apart from the inner diameter of the first inlet 210 in the first direction to have a predetermined separation distance. And, when viewed from the top and bottom directions, the edge of the deflector 400b may be disposed between the outer diameter of the discharge pipe inlet 310 and the inner diameter of the first inlet 210. Accordingly, as shown in FIG. 12 , in the cooling mode, the refrigerant introduced through the first inlet 210 may flow into the main body 100 without interfering with the deflector 400b.

In the above, the embodiments of the present invention were examined in detail with reference to the accompanying drawings.

The above description is merely an example of the technical idea of the present invention, and those skilled in the art can make various modifications, changes, and substitutions without departing from the essential characteristics of the present invention. will be. Therefore, the embodiments disclosed in the present invention and the accompanying drawings are not intended to limit the technical idea of the present invention, but to explain, and the scope of the technical idea of the present invention is not limited by these embodiments and the accompanying drawings. . The protection scope of the present invention should be construed according to the following claims, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

100: body
110: fixed part
200: head part
210: first entrance
211: first flange
213: bypass pipe
220: second entrance
221: second flange
230: exit
300: refrigerant discharge pipe
400, 400a, 400b: deflector

Claims (14)

In the vehicle accumulator for discharging the gaseous refrigerant by separating the refrigerant circulating in the refrigerant circulation line into gaseous refrigerant and liquid refrigerant,
A body in which gaseous refrigerant and liquid refrigerant are separated and stored therein;
a head portion coupled to an upper portion of the main body and including a first inlet, a second inlet, and an outlet;
a refrigerant discharge pipe disposed inside the main body and moving the gaseous refrigerant stored in the main body to the outlet; and
a deflector installed inside the body;
Including,
The accumulator for a vehicle, characterized in that the refrigerant introduced through one of the first inlet and the second inlet bypasses the deflector and flows into the main body. According to claim 1,
Either one of the first inlet or the second inlet moves the refrigerant introduced in the cooling mode, and the other one moves the refrigerant introduced in the heating mode, and the refrigerant introduced in the cooling mode bypasses the deflector. Accumulator for vehicles characterized by. According to claim 2,
The vehicle accumulator, characterized in that the refrigerant introduced in the cooling mode passes through the bypass pipe penetrating the deflector. According to claim 2,
The accumulator for a vehicle, characterized in that the refrigerant introduced in the heating mode is introduced into the main body after colliding with the deflector. According to claim 2,
The vehicle accumulator, characterized in that the refrigerant discharge pipe has a 'U'-shaped structure in which one side is disposed on the upper side of the main body and the other side is connected to the outlet. According to claim 5,
The vehicle accumulator, characterized in that the deflector is connected to and fixed to one side of the refrigerant discharge pipe. According to claim 5,
A vehicle accumulator, characterized in that the lower portion of the refrigerant discharge pipe is fixed to the lower surface of the main body. According to claim 1,
The first inlet is disposed to be spaced apart from the deflector in a first direction,
The accumulator for a vehicle, characterized in that the second inlet is disposed to overlap the deflector. According to claim 8,
The deflector includes a plate portion coupled to the refrigerant discharge pipe and a bent portion extending from the plate portion,
The accumulator for a vehicle, characterized in that the bent portion is disposed to overlap the second inlet. According to claim 9,
The accumulator for a vehicle, characterized in that the bent portion includes a first curved surface formed convexly toward the head portion. According to claim 8,
The refrigerant discharge pipe includes a discharge pipe inlet into which gaseous refrigerant flows and a discharge pipe outlet connected to the outlet of the head unit,
The first inlet is disposed to be spaced apart from the discharge pipe inlet in a first direction to have a first separation distance,
The accumulator for a vehicle according to claim 1 , wherein the second inlet is spaced apart from the discharge pipe inlet in a first direction to have a second separation distance. According to claim 8,
The refrigerant discharge pipe includes a discharge pipe inlet into which gaseous refrigerant flows and a discharge pipe outlet connected to the outlet of the head unit,
The vehicle accumulator, characterized in that the discharge pipe inlet is disposed to overlap the deflector. According to claim 12,
The deflector further includes a protrusion,
The accumulator for a vehicle, characterized in that the protrusion is disposed to overlap the second inlet. In the vehicle accumulator having a deflector that separates the refrigerant circulating in the refrigerant circulation line into gaseous refrigerant and liquid refrigerant, discharges the gaseous refrigerant, and scatters the incoming refrigerant,
Among the refrigerants flowing into the accumulator, the refrigerant in the cooling mode bypasses the deflector, and the refrigerant in the heating mode moves into the accumulator after colliding with the deflector.

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