One-way conducting component and heat exchanger

Abstract

The utility model relates to the technical field of valve parts, and discloses a one-way conducting component which comprises a shell, a valve element and a valve element. The valve seat is arranged at a first position of the inner wall of the shell, and the valve seat is provided with a conducting hole for conducting the fluid flowing cavity; the supporting rod is arranged at a second position of the inner wall of the shell, and the supporting rod is provided with a sleeve; the sliding part comprises a valve element and a valve rod which are connected with each other, the valve element is arranged on the outer side of the sleeve, the valve rod is arranged on the inner side of the sleeve, the valve rod can slide in the sleeve to drive the valve element to slide, and when the valve element abuts against the supporting rod, the through hole of the valve seat is communicated; when the valve element abuts against the valve seat, the through hole of the valve seat is closed, the valve element comprises a first valve end close to the first position and a second valve end close to the second position, the valve element comprises a valve element tail portion extending from the second valve end and in the direction of the first valve end, and the longitudinal section of the valve element tail portion is in an inclined linear shape or an arc shape. The utility model further provides the heat exchanger.

Description

Technical Field

[0001] The present application relates to the technical field of valve components, for example, to a one-way conducting component and a heat exchanger. Background Art

[0002] Check valves are widely used in refrigeration systems. The heat exchanger's role in cooling and heating differs, requiring different flow diversion methods. Check valves are crucial components in implementing variable flow diversion technology.

[0003] Existing one-way valves usually include a tube shell and a valve seat and a limit plate arranged on the inner wall of the shell. The limit plate is usually flat and a guide hole is provided on the valve seat. The valve core of the one-way valve can move between the valve seat and the limit plate to make the one-way valve in a conducting state or a closed state.

[0004] During the implementation of the embodiments of the present disclosure, it was found that at least the following problems exist in the related art:

[0005] The existing one-way valve structure is prone to generate noise when performing a one-way conduction function.

[0006] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to ordinary technicians in this field. Utility Model Content

[0007] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical elements or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0008] The embodiments of the present disclosure provide a one-way conducting component and a heat exchanger to solve the problem that a one-way valve easily generates noise.

[0009] In some embodiments, the one-way conducting component includes: a shell, which forms a fluid flow chamber inside; a valve seat, which is arranged at a first position on the inner wall of the shell, and the valve seat is provided with a conducting hole that makes the fluid flow chamber conductive; a support rod, which is arranged at a second position on the inner wall of the shell, and the support rod is provided with a sleeve; a sliding part, including a valve core and a valve stem connected to each other, wherein the valve core is arranged on the outside of the sleeve, and the valve stem is arranged on the inside of the sleeve, and the valve stem can slide in the sleeve, thereby driving the valve core to slide, and when the valve core abuts against the support rod, the conducting hole of the valve seat is connected; when the valve core abuts against the valve seat, the conducting hole of the valve seat is closed, wherein the valve core includes a first valve end close to the first position and a second valve end close to the second position, and the valve core includes a valve core tail starting from the second valve end and extending in the direction of the first valve end, and the longitudinal cross-section of the valve core tail is an inclined straight line or an arc.

[0010] In some optional embodiments, the valve core tail includes a second tail end located at the second valve end, and a first tail end opposite to the second tail end, wherein the distance between the outer wall of the valve core tail and the inner wall of the shell gradually increases from the first tail end to the second tail end; and / or the wall thickness of the valve core tail gradually decreases from the first tail end to the second tail end.

[0011] In some optional embodiments, the distance between the first tail end and the second tail end of the valve core tail is n, and the distance between the first valve end and the second valve end of the valve core is a3, wherein n is less than or equal to one quarter of a3.

[0012] In some optional embodiments, the longitudinal cross-section of the valve core is bowl-shaped.

[0013] In some optional embodiments, the housing comprises a metal housing; and / or the support rod comprises a metal support rod.

[0014] In some optional embodiments, the length of the shell is a1, where 25mm≤a1≤40mm; and / or the distance between the first position and the second position is a2, where 15mm≤a2≤25mm; and / or the difference between the distance a2 between the first position and the second position and the distance a3 between the first valve end and the second valve end of the valve core is m, where m≥5mm.

[0015] In some optional embodiments, the valve core also includes an abutting side wall starting from the first valve end and extending toward the second valve end, the abutting side wall being used to abut against the valve seat, wherein the longitudinal cross-section of the abutting side wall includes an arc segment or a slanted line segment.

[0016] In some optional embodiments, the abutting side wall includes a first abutting end located at the first valve end, and a second abutting end close to the second valve end, wherein the inner diameter of the abutting side wall gradually increases from the first abutting end to the second abutting end; and / or the outer diameter of the abutting side wall gradually increases from the first abutting end to the second abutting end.

[0017] In some embodiments, the heat exchanger includes: a header assembly, which is connected to a one-way conducting component; and a heat exchange tube group, which includes multiple heat exchange branches, and the multiple heat exchange branches are connected to the header assembly, wherein the one-way conducting component is the one-way conducting component as described above.

[0018] In some optional embodiments, the manifold assembly includes a first manifold member and a second manifold member, wherein the first manifold member is connected to a first one-way conducting member, and the second manifold member is connected to a second one-way conducting member, and the heat exchange tube group includes a first heat exchange branch, a second heat exchange branch, and a third heat exchange branch. The first heat exchange branch has one end connected to a conduction outflow end of the first one-way conducting member of the first manifold member and the other end connected to a conduction outflow end of the second one-way conducting member of the second manifold member; the second heat exchange branch has one end connected to a conduction inflow end of the first one-way conducting member of the first manifold member and the other end connected to a conduction outflow end of the second one-way conducting member of the second manifold member; and the third heat exchange branch has one end connected to a conduction inflow end of the first one-way conducting member of the first manifold member and the other end connected to a conduction inflow end of the second one-way conducting member of the second manifold member.

[0019] The one-way conducting component and heat exchanger provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] The one-way conducting component provided in the embodiment of the present disclosure includes a shell, a valve seat, a support rod and a sliding member. A fluid flow chamber is formed inside the shell. The valve seat and the support rod are spaced apart on the inner wall of the shell, the valve seat is set at a first position on the inner wall of the shell, and the support rod is set at a second position on the inner wall of the shell, and the valve seat is provided with a conducting hole for conducting the fluid flow chamber. The support rod includes a sleeve, and a slide is provided inside the sleeve. The sliding member includes a valve core and a valve stem, wherein the valve stem is provided in the sleeve and can slide up and down along the slide inside the sleeve. The directional sliding of the valve stem drives the directional sliding of the valve core.

[0021] As can be seen, in the one-way conducting member provided by the embodiment of the present disclosure, the valve core can slide in a directional manner under the drive of the valve stem, avoiding collision with the inner wall of the housing during the sliding process. In this way, the noise generated by the one-way conducting member during the one-way conducting process is reduced.

[0022] Furthermore, in the one-way conducting member provided in the embodiments of the present disclosure, the valve core includes a tail portion, the longitudinal cross-section of which is an inclined straight line or arc-shaped. Thus, the tail portion of the valve core is shaped like a tail wing, which helps to form a vortex. The negative pressure generated by the vortex helps the valve core to open in the reverse direction.

[0023] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] One or more embodiments are exemplarily described by corresponding drawings. These exemplary descriptions and drawings do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements. The drawings do not constitute a scale limitation. In addition,

[0025] Figure 1 is a structural schematic diagram of a conducting component provided by an embodiment of the present disclosure;

[0026] Figure 2 is a structural schematic diagram of a sliding member provided by an embodiment of the present disclosure;

[0027] Figure 3 is a structural schematic diagram of another sliding member provided by an embodiment of the present disclosure;

[0028] Figure 4 is a structural schematic diagram of another sliding member provided by an embodiment of the present disclosure;

[0029] Figure 5 is a structural schematic diagram of another conductive component provided by an embodiment of the present disclosure;

[0030] Figure 6 is a structural schematic diagram of another conductive component provided by an embodiment of the present disclosure;

[0031] Figure 7 is a structural schematic diagram of another conductive component provided by an embodiment of the present disclosure;

[0032] Figure 8 is a structural schematic diagram of another sliding member provided by an embodiment of the present disclosure;

[0033] Figure 9 is a schematic diagram of a heat exchanger provided by an embodiment of the present disclosure;

[0034] Figure 10 Schematic diagram of a refrigerant flow path when a heat exchanger provided by an embodiment of the present disclosure is used as a condenser;

[0035] Figure 11 This is a schematic diagram of the refrigerant flow path when a heat exchanger provided by an embodiment of the present disclosure is used as an evaporator.

[0036] Reference numerals:

[0037] 1: housing; 11: first position; 12: second position;

[0038] 2: valve seat; 21: guide hole;

[0039] 3: support rod; 31: sleeve;

[0040] 41: valve core; 42: valve stem; 411: first valve end; 412: second valve end; 413: abutting side wall; 4131: first abutting end; 4132: second abutting end; 414: extended side wall; 415: valve core tail; 4151: first tail end; 4152: second tail end;

[0041] 510: first header member; 520: second header member; 511: first conducting member; 521: second conducting member;

[0042] 611: first heat exchange branch; 612: second heat exchange branch; 613: third heat exchange branch. DETAILED DESCRIPTION

[0043] In order to be able to understand the features and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The accompanying drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the sake of convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0044] In the description and claims of the embodiments of the present disclosure, as well as in the accompanying drawings, the terms "first," "second," and the like are used to distinguish similar items and are not necessarily used to describe a particular order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate to describe the embodiments of the present disclosure herein. In addition, the terms "including," "having," and any variations thereof are intended to cover non-exclusive inclusions.

[0045] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to having a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0046] Furthermore, the terms "disposed," "connected," and "fixed" should be interpreted broadly. For example, "connected" can mean a fixed connection, a removable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediary, or an internal connection between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in the embodiments of this disclosure based on the specific circumstances.

[0047] Unless otherwise stated, the term "plurality" means two or more.

[0048] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B means: A or B.

[0049] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0050] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0051] The embodiment of the present disclosure provides a conducting component, which may also be called a unidirectional conducting component.

[0052] Optionally, the conducting component includes a housing 1, a valve seat 2, a support rod 3, and a sliding member. A fluid flow chamber is formed inside the housing 1, the valve seat 2 is disposed at a first position 11 on the inner wall of the housing 1, and the valve seat 2 is provided with a conducting hole 21 for conducting the fluid flow chamber. The support rod 3 is disposed at a second position 12 on the inner wall of the housing 1, and the support rod 3 is provided with a sleeve 31. The sliding member includes a valve core 41 and a valve stem 42 that are interconnected, wherein the valve core 41 is disposed outside the sleeve 31, and the valve stem 42 is disposed inside the sleeve 31. The valve stem 42 can slide within the sleeve 31, thereby driving the valve core 41 to slide. When the valve core 41 abuts the support rod 3, the conducting hole 21 of the valve seat 2 is conducted; when the valve core 41 abuts the valve seat 2, the conducting hole 21 of the valve seat 2 is closed.

[0053] The conductive member provided in the embodiments of the present disclosure is a structural component with a unidirectional conductive function. A fluid flow chamber is formed within the housing 1. A valve seat 2 is disposed at a first position 11 on the inner wall of the housing 1, and a support rod 3 is disposed at a second position 12 on the inner wall of the housing 1. The valve seat 2 and support rod 3 are both fixedly mounted on the inner wall of the valve seat 2 and spaced apart on the inner wall of the housing 1. The support rod 3 is provided with a sleeve 31. The valve stem 42 of the sliding member is disposed within the sleeve 31, and the valve core 41 of the sliding member is disposed outside the sleeve 31. The valve core 41 and the valve seat 2 slide synchronously.

[0054] When the valve core 41 abuts against the support rod 3, the conducting hole 21 of the valve seat 2 is connected, so that the conducting component is in a conducting state; when the valve core 41 abuts against the valve seat 2, the conducting hole 21 of the valve seat 2 is closed, so that the conducting component is in a closed state.

[0055] As can be seen, in the conductive member provided by the embodiment of the present disclosure, the sliding member performs both the opening and closing functions during sliding, and the sleeve 31 provides a sliding track for the sliding valve stem 42 of the sliding member, thereby causing the valve core 41 to also slide along a specific trajectory. This completely avoids collision between the valve core 41 and the inner wall of the housing 1 during sliding, thereby reducing the noise generated by the conductive member during the process of performing its unidirectional conductive function.

[0056] Optionally, the sliding member can slide under the action of the fluid. The housing 1 includes a first flow portion close to the valve seat 2 and a second flow portion close to the support rod 3. When the fluid flows in from the first flow portion, the flow pressure of the fluid can drive the valve core 41 to slide in the direction of the support rod 3, thereby enabling the conducting member to be conducted; when the fluid flows in from the second flow portion, the fluid causes the valve core 41 to abut against the valve seat 2, and the conducting hole 21 of the valve seat 2 is completely closed by the valve core 41, and the conducting member is closed. Optionally, the fluid can be a refrigerant that flows in the heat exchanger of the air-conditioning system for heat exchange.

[0057] Optionally, the aforementioned valve stem 42 can slide within the sleeve 31, thereby driving the valve core 41 to slide. This can be understood as the valve stem 42 sliding along a specific slideway within the sleeve 31, thereby driving the valve core 41 to slide in a specific direction. The order in which the valve core 41 and valve stem 42 are subjected to force is not specified. In some alternative embodiments, the valve core 41 is preferentially subjected to the force of gravity or impact of the fluid.

[0058] Optionally, the valve seat 2 is fixedly arranged at the first position 11 of the inner wall of the housing 1. Optionally, the valve seat 2 is integrally formed with the inner wall of the housing 1. The conducting hole 21 is arranged at the center of the valve seat 2.

[0059] Optionally, the support rod 3 is fixedly mounted at the second position 12 on the inner wall of the housing 1. Optionally, the support rod 3 is provided with a flow passage for fluid to flow through. The upper and lower ends of the sleeve 31 are both open. Optionally, when the conducting member is arranged vertically, the sleeve 31 is located directly above the conducting hole 21.

[0060] Optionally, when the valve core 41 slides between the open position and the closed position, at least a portion of the valve stem 42 remains within the sleeve 31. This allows the sleeve 31 to function as a sliding track regardless of the sliding position of the slider. Optionally, the interior of the sleeve 31 is a cylindrical slideway, and the valve stem 42 is cylindrical, so that the cylindrical valve stem 42 slides up and down within the cylindrical slideway.

[0061] Optionally, the housing 1 of the conducting component includes a conducting inlet end and a conducting outlet end, divided by the valve seat 2. The support rod 3 is disposed in the fluid flow chamber, and the support rod 3 is located at the conducting outlet end.

[0062] Optionally, the valve core 41 includes a first valve end 411 close to the first position 11 and a second valve end 412 close to the second position 12, wherein the inner diameter of the first valve end 411 is smaller than the inner diameter of the second valve end 412; and / or the outer diameter of the first valve end 411 is smaller than the outer diameter of the second valve end 412.

[0063] It can be understood that no matter whether the valve core 41 is in the position abutting the valve seat 2 or in the position abutting the support rod 3, the first valve end 411 is closer to the first position 11 relative to the second valve end 412; the second valve end 412 is closer to the second position 12 relative to the first valve end 411.

[0064] In the embodiment of the present disclosure, the inner diameter H1 of the first valve end 411 is smaller than the inner diameter H2 of the second valve end 412. Figure 2 As shown. In this way, the opening of the valve core 41 at the second valve end 412 near the second position 12 is larger, which improves the fluid receiving function of the valve core 41, thereby facilitating the valve core 41 to slide to a position abutting against the valve seat 2 under the action of the gravity of the fluid, and facilitating the closing stability of the conducting member. Optionally, the longitudinal cross-sectional area of the inner surface of the valve core 41 is roughly C-shaped or bowl-shaped. Figures 1 to 4 shown.

[0065] In the embodiment of the present disclosure, the outer diameter of the first valve end 411 is smaller than the outer diameter of the second valve end 412. In this way, the cross-sectional area of the outer wall of the valve core 41 near the first position 11 is smaller, and the cross-sectional area of the outer wall near the second position 12 is larger, which increases the impact of the fluid on the outer wall of the valve core 41, thereby facilitating the valve core 41 to slide to the position of the support rod 3 under the impact of the fluid, and facilitating the conduction stability of the conduction component. Similarly, the longitudinal cross-sectional area of the outer surface of the valve core 41 is roughly C-shaped or bowl-shaped. Figures 1 to 4 shown.

[0066] Optionally, the valve core 41 includes an abutting side wall 413 extending from the first valve end 411 and toward the second valve end 412 , and the abutting side wall 413 is used to abut against the valve seat 2 , wherein the cross section of the abutting side wall 413 includes an arc segment or an oblique line segment.

[0067] At least a portion of the abutting side wall 413 is used to directly abut against the conducting hole 21 of the valve seat 2, so that the valve core 41 abuts against the conducting hole 21 of the valve seat 2, and the conducting member is in a closed state. Optionally, the abutting side wall 413 can be understood as a portion of the outer wall or inner wall of the valve core 41 from the first valve end 411 to the second valve end 412, where the structure or shape is continuous. Optionally, the abutting side wall 413 is a portion of the outer wall from the first valve end 411, where the longitudinal cross-section is an oblique line. Figure 4 shown.

[0068] Optionally, the height of the abutting side wall 413 is Y1, as shown in FIG. Figure 4 The total height of the valve core 41, ie, the distance between the first valve end 411 and the second valve end 412 of the valve core 41 is a3, as shown Figure 7 As shown. Y1 is greater than or equal to half of a3 and less than a3. This improves the abutment effect between the abutting side wall 413 and the guide hole 21 of the valve seat 2. Optionally, the angle between the abutting side wall 413 and the vertical line is less than or equal to 60°.

[0069] Optionally, the abutting sidewall 413 includes a first abutting end 4131 and a second abutting end 4132. The first abutting end 4131 is located at the first valve end 411 of the valve core 41; the second abutting end 4132 is closer to the second valve end 412 than the first abutting end 4131. The inner diameter of the abutting sidewall 413 gradually increases from the first abutting end 4131 to the second abutting end 4132; and / or the outer diameter of the abutting sidewall 413 gradually increases from the first abutting end 4131 to the second abutting end 4132. Optionally, the thickness of different portions of the abutting sidewall 413 is substantially equal.

[0070] Optionally, the valve core 41 further includes an extended side wall 414 extending from the abutting side wall 413 toward the second valve end 412 , wherein the difference between the inner diameter of the extended side wall 414 and the inner diameter of the second abutting end 4132 is less than or equal to a preset difference.

[0071] Optionally, the extended sidewall 414 extends from the second abutting end 4132 of the abutting sidewall 413 toward the second valve end 412. Optionally, the inner diameter of the extended sidewall 414 is equal to the inner diameter of the second abutting end 4132 of the abutting sidewall 413. Optionally, the extended sidewall 414 extends in a vertical direction.

[0072] Optionally, the height of the abutting side wall 413 is Y1, and the height of the extending side wall 414 is Y2. Figure 4 As shown in the figure, where Y1 is greater than or equal to 1.5 times Y2.

[0073] Optionally, the valve core 41 further includes a valve core tail portion 415, which extends from the extended sidewall 414 toward the second valve end 412. Optionally, from the first valve end 411 toward the second valve end 412, the valve core 41 includes, in sequence, an abutting sidewall 413, an extended sidewall 414, and a valve core tail portion 415. Optionally, the valve core 41 is an integrally molded structure.

[0074] Optionally, the difference between the inner diameter of the extended sidewall 414 and the inner diameter of the second abutting end 4132 is less than or equal to a predetermined difference. Furthermore, the predetermined difference is less than or equal to 5 mm. In the disclosed embodiment, the inner diameter of the extended sidewall 414 and the inner diameter of the second abutting end 4132 of the abutting sidewall 413 are substantially similar. Optionally, the inner diameters of various portions of the extended sidewall 414 are substantially similar or equal.

[0075] Optionally, when the valve core 41 abuts against the support rod 3 , the conducting hole 21 of the valve seat 2 is connected, and the fluid forms a first flow direction in the fluid flow chamber, wherein the sleeve 31 is arranged along the first flow direction.

[0076] like Figure 5 As shown, when the valve core 41 abuts the support rod 3, the guide hole 21 of the valve seat 2 is open, and the fluid forms a first flow direction from bottom to top within the fluid flow chamber. The sleeve 31 is arranged in a vertical direction within the fluid flow chamber. Optionally, the slideway within the sleeve 31 also extends in a vertical direction. This allows the valve core 41 to slide up and down within the slideway, improving the sliding stability of the valve core 41 when performing a unidirectional flow function and avoiding noise during the sliding process.

[0077] Optionally, the gap between the valve stem 42 and the sleeve 31 is less than or equal to a preset gap; and / or the minimum distance between the valve core 41 and the sleeve 31 is greater than or equal to the gap between the valve stem 42 and the sleeve 31.

[0078] The smaller the gap between the outer wall of the valve stem 42 and the inner wall of the sleeve 31 , the better. This is beneficial to the sliding stability of the valve stem 42 .

[0079] Optionally, there can be a certain distance between the inner wall of the valve core 41 and the outer wall of the sleeve 31. In this way, the surface area of the outer wall of the valve core 41 is increased, which is conducive to the valve core 41 sliding from one end of the valve seat 2 toward the support rod 3 under the impact force of the fluid.

[0080] Optionally, the housing 1 includes a metal housing 1; and / or the support rod 3 includes a metal support rod.

[0081] Currently, nylon check valves are not heat-resistant, requiring cooling protection during the pipe assembly welding process, which impacts production efficiency. Currently, cooling is achieved through water-cooled insulation. Improper protection during the process can easily allow water to enter the heat exchanger through the pipe joints, shortening the machine's lifespan.

[0082] The conductive component provided in the embodiment of the present disclosure, the shell 1 and the support rod 3 are made of metal. Optionally, the entire conductive component is made of metal, which improves the high temperature resistance of the conductive component.

[0083] Optionally, the length of the shell 1 is a1, where 25mm≤a1≤40mm; and / or the distance between the first position 11 and the second position 12 is a2, where 15mm≤a2≤25mm; and / or the difference between the distance a2 between the first position 11 and the second position 12 and the distance a3 between the first valve end 411 and the second valve end 412 of the valve core 41 is m, where m≥5mm.

[0084] The existing one-way valve is relatively large, about 100 mm, which affects the miniaturization design of the heat exchanger.

[0085] In the conducting component provided in the embodiment of the present disclosure, the overall length of the shell 1 is relatively small, ranging from 25 mm to 40 mm. For example, the length of the shell 1 is 30 mm, which greatly reduces the size of the conducting component and is conducive to the miniaturized design of the heat exchanger.

[0086] Optionally, the valve core 41 includes a first valve end 411 close to the first position 11 and a second valve end 412 close to the second position 12, and the valve core 41 includes a valve core tail 415 starting from the second valve end 412 and extending in the direction of the first valve end 411, and the longitudinal cross-section of the valve core tail 415 is an inclined straight line or arc shape.

[0087] The tail portion 415 of the valve core is in the shape of a tail wing, which helps to form a vortex. The negative pressure generated by the vortex helps the valve core to open in the reverse direction. Synchronously rectifying the flow channel above the bowl mouth helps to reduce the inlet and outlet pressure drops.

[0088] Optionally, the valve core tail portion 415 includes a second tail end 4152 located at the second valve end 412, and a first tail end 4151 opposite to the second tail end 4152, wherein the distance between the outer wall of the valve core tail portion 415 and the inner wall of the shell 1 gradually increases from the first tail end 4151 to the second tail end 4152; and / or the wall thickness of the valve core tail portion 415 gradually decreases from the first tail end 4151 to the second tail end 4152.

[0089] The thinning of the wall thickness at the tail portion 415 of the valve core is beneficial to reducing the overall weight of the valve core 41 . At the same time, it reduces the collision area between the valve core 41 and the support rod 3 , thereby helping to improve collision noise.

[0090] Optionally, the distance between the first tail end 4151 and the second tail end 4152 of the valve core tail 415 is n. Figure 8 As shown, the distance between the first valve end 411 and the second valve end 412 of the valve core 41 is a3. Figure 7 As shown. Where n is less than or equal to one quarter of a3.

[0091] The valve core tail portion 415 occupies a small portion of the overall height of the valve core 41 , so that the valve core tail portion 415 may be in the form of a tail wing.

[0092] Optionally, the longitudinal cross-section of the valve core 41 is bowl-shaped.

[0093] In the embodiment of the present disclosure, the inner or outer wall of the valve core 41 has a bowl-shaped longitudinal cross-section. The hollow bowl-shaped design of the valve core 41 reduces the valve core mass, achieving a positive closing due to gravity and a reverse opening due to the impact of the refrigerant.

[0094] The embodiment of the present disclosure also provides a heat exchanger.

[0095] Optionally, the heat exchanger includes a header assembly and a heat exchange assembly. The header assembly is connected to a conductive component. The heat exchange tube group includes multiple heat exchange branches, and the multiple heat exchange branches are connected to the header assembly. The conductive component is the aforementioned conductive component or a unidirectional conductive component.

[0096] Optionally, the aforementioned conducting component is integrated into the manifold component, or the shell 1 of the conducting component is the tube shell of the manifold component, that is, when the length of the shell 1 of the conducting component is long enough, the manifold component is obtained.

[0097] It can be understood that the structure and effects of the aforementioned one-way conducting component or conducting component are applicable to the manifold component here and will not be described in detail here.

[0098] The manifold assembly includes a first manifold component 510 and a second manifold component 520. The first manifold component 510 is connected to a first conductive component 511, and the second manifold component 520 is connected to a second conductive component 521. The heat exchange tube group includes a first heat exchange branch 611, a second heat exchange branch 612 and a third heat exchange branch 613. Among them, one end of the first heat exchange branch 611 is connected to the conductive outflow end side of the first conductive component 511 of the first manifold component 510, and the other end is connected to the conductive outflow end side of the second conductive component 521 of the second manifold component 520; one end of the second heat exchange branch 612 is connected to the conductive inflow end side of the first conductive component 511 of the first manifold component 510, and the other end is connected to the conductive outflow end side of the second conductive component 521 of the second manifold component 520; one end of the third heat exchange branch 613 is connected to the conductive inflow end side of the first conductive component 511 of the first manifold component 510, and the other end is connected to the conductive inflow end side of the second conductive component 521 of the second manifold component 520.

[0099] The first manifold component 510 includes a first one-way conducting component 511, and the second manifold component 520 includes a second one-way conducting component 521. The structures of the first one-way conducting component 511 and the second one-way conducting component 521 are the same as the aforementioned conducting components or one-way conducting components. In addition, the first one-way conducting component 511 and the second one-way conducting component 521 have the same conducting direction. Figure 9 shown.

[0100] Both ends of the multiple heat exchange branches are respectively connected to the first manifold component 510 and the second manifold component 520. The first manifold component 510 and the second manifold component 520 can enable the multiple heat exchange branches to form a specific refrigerant flow route, such as a variable diversion refrigerant flow route.

[0101] The heat exchanger provided in the embodiment of the present disclosure is a variable split heat exchanger.

[0102] When the heat exchanger is used as an evaporator, the first one-way conducting member 511 in the first manifold member 510 and the second one-way conducting member 521 in the second manifold member 520 are both in a conducting state, and the first heat exchange branch 611, the second heat exchange branch 612 and the third heat exchange branch 613 are connected in parallel, that is, the refrigerant flowing in from the second manifold member 520 flows into the first heat exchange branch 611, the second heat exchange branch 612 and the third heat exchange branch 613 respectively. Figure 11 shown.

[0103] When the heat exchanger is used as a condenser, the first one-way conducting member 511 in the first manifold member 510 and the second one-way conducting member 521 in the second manifold member 520 are both in a closed state, and the first heat exchange branch 611, the second heat exchange branch 612 and the third heat exchange branch 613 are connected in series, that is, the refrigerant flowing into the first manifold member 510 flows through the first heat exchange branch 611, the second heat exchange branch 612 and the third heat exchange branch 613 in sequence. Figure 10 shown.

[0104] Optionally, the first heat exchange branch 611, the second heat exchange branch 612 and the third heat exchange branch 613 each include a plurality of heat exchange tubes. Optionally, the number of the first heat exchange branch 611 is two, and the two heat exchange branches are arranged in parallel, such as Figures 9 to 11 shown.

[0105] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless expressly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A one-way conducting component, characterized in that: include: a housing, wherein a fluid flow chamber is formed inside; a valve seat disposed at a first position on the inner wall of the housing, and having a conducting hole for conducting the fluid flow chamber; A support rod is provided at a second position on the inner wall of the housing, and the support rod is provided with a sleeve; The sliding member includes a valve core and a valve stem connected to each other, wherein the valve core is arranged on the outside of the sleeve, and the valve stem is arranged on the inside of the sleeve. The valve stem can slide in the sleeve, thereby driving the valve core to slide. When the valve core abuts against the support rod, the guide hole of the valve seat is connected; when the valve core abuts against the valve seat, the guide hole of the valve seat is closed. The valve core includes a first valve end close to the first position and a second valve end close to the second position, and the valve core includes a valve core tail extending from the second valve end and in the direction of the first valve end, and the longitudinal cross-section of the valve core tail is an inclined straight line or arc shape.

2. The one-way conducting member according to claim 1, characterized in that: The tail portion of the valve core includes a second tail end located at the second valve end, and a first tail end opposite to the second tail end, wherein From the first tail end to the second tail end, the distance between the outer wall of the valve core tail and the inner wall of the housing gradually increases; and / or, The wall thickness of the valve core tail portion gradually decreases from the first tail end to the second tail end.

3. The one-way conducting member according to claim 2, characterized in that: The distance between the first tail end and the second tail end of the valve core is n, and the distance between the first valve end and the second valve end of the valve core is a3. Here, n is less than or equal to one quarter of a3.

4. The one-way conducting member according to claim 1, characterized in that: The longitudinal cross-section of the valve core is bowl-shaped.

5. The one-way conducting member according to any one of claims 1 to 4, characterized in that: The housing comprises a metal housing; and / or, The support rod includes a metal support rod.

6. The one-way conducting member according to claim 5, characterized in that: The length of the housing is a1, wherein 25 mm ≤ a1 ≤ 40 mm; and / or, The distance between the first position and the second position is a2, wherein 15 mm ≤ a2 ≤ 25 mm; and / or, A difference between a distance a2 between the first position and the second position and a distance a3 between the first valve end and the second valve end of the valve core is m, where m≥5 mm.

7. The one-way conducting member according to claim 1, characterized in that: The valve core further includes an abutting side wall extending from the first valve end and toward the second valve end, the abutting side wall being used to abut against the valve seat. The longitudinal section abutting the side wall includes an arc segment or an oblique line segment.

8. The one-way conducting member according to claim 7, characterized in that: The abutting side wall includes a first abutting end located at the first valve end, and a second abutting end close to the second valve end, wherein The inner diameter of the abutting side wall gradually increases from the first abutting end to the second abutting end; and / or, The outer diameter of the abutting side wall gradually increases from the first abutting end to the second abutting end.

9. A heat exchanger, characterized in that: include: The header assembly is connected with a one-way conducting member; and The heat exchange tube group includes multiple heat exchange branches, and the multiple heat exchange branches are connected to the header assembly, wherein the one-way conducting component is the one-way conducting component according to any one of claims 1 to 8.

10. The heat exchanger according to claim 9, characterized in that The header assembly includes a first header component and a second header component. The first header component is connected to a first one-way conducting component, and the second header component is connected to a second one-way conducting component. The heat exchange tube group includes a first heat exchange branch, a second heat exchange branch, and a third heat exchange branch. Among them, one end of the first heat exchange branch is connected to the conduction outflow end side of the first one-way conducting component of the first collecting pipe component, and the other end is connected to the conduction outflow end side of the second one-way conducting component of the second collecting pipe component; one end of the second heat exchange branch is connected to the conduction inflow end side of the first one-way conducting component of the first collecting pipe component, and the other end is connected to the conduction outflow end side of the second one-way conducting component of the second collecting pipe component; one end of the third heat exchange branch is connected to the conduction inflow end side of the first one-way conducting component of the first collecting pipe component, and the other end is connected to the conduction inflow end side of the second one-way conducting component of the second collecting pipe component.

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