Valve body component, heat exchanger and air conditioner

Abstract

The invention relates to the technical field of valve components, and discloses a valve body component which comprises a tubular shell, a valve seat, a shaft rod, a guide piece, a partition plate and an abutting elastic piece. The valve seat comprises a first part provided with a circulation opening and a second part provided with a blocking component, and the interior of the tubular shell comprises a first cavity located between the first fluid inlet and outlet and the circulation opening and a second cavity located between the second fluid inlet and outlet and the circulation opening. When fluid flows in from the first fluid inlet and outlet, the guide piece is impacted by the fluid to rotate and abuts against the second end of the abutting elastic piece, the circulation opening is communicated, and the fluid flows into the second cavity through the first cavity. And when the fluid flows in from the second fluid inlet and outlet, the guide sheet is closed at the circulating opening, and the fluid is stopped in the second cavity. The valve body component can play a role of a one-way valve, and one-way connection is achieved. The invention further provides the heat exchanger and the air conditioner.

Description

Technical Field

[0001] This application relates to the technical field of valve components, for example, to a valve body component, a heat exchanger, and an air conditioner. Background Art

[0002] An air conditioner generally consists of a compressor, an outdoor heat exchanger, a throttling device, and an indoor heat exchanger to form a refrigerant circulation circuit, and the flow direction of the refrigerant in the refrigerant circulation circuit is changed by a four-way valve, so that the air conditioner can achieve cooling and heating modes.

[0003] Among them, since the indoor heat exchanger and the outdoor heat exchanger are directly used for heat exchange with the corresponding side environment, they are key components of the air conditioner product. The level of the heat exchange efficiency of the heat exchanger can directly affect the cooling and heating performance of the air conditioner. Taking the outdoor heat exchanger as an example, when the air conditioner operates in the cooling mode, the outdoor heat exchanger serves as a condenser. To improve the cooling efficiency during the cooling operation of the air conditioner, a subcooling section is provided on the outdoor heat exchanger to utilize the subcooling section to extend the length of the flow path of the high-temperature refrigerant in the heat exchanger, so as to achieve the purpose of sufficient heat exchange. When the air conditioner operates in the heating mode, the outdoor heat exchanger serves as an evaporator, and the flow direction of the refrigerant is completely opposite to that in the cooling mode. At this time, more refrigerant branches are required. In the related art, different pipelines and valve components such as bypass pipelines, check valves, and flow dividing valves are arranged on the heat exchanger, so that the heat exchanger has different operating flow paths in different operating modes, realizing variable flow division.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

[0005] The bypass pipe section is generally arranged on the outer side of the heat exchanger body, and the conventional check valve has a large volume. After installing the check valve on the bypass pipe section, the overall volume of the heat exchanger is large, occupying a large installation space, which is not conducive to the miniaturization of the outdoor heat exchanger or the indoor heat exchanger.

[0006] It should be noted that the information disclosed in the above background art section is only used to strengthen the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to those of ordinary skill in the art. Summary of the Invention

[0007] To have a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. The summary is not a general review, nor is it intended to identify key / important constituent elements or delineate the protection scope of these embodiments, but rather serves as a preamble to the subsequent detailed description.

[0008] Embodiments of the present disclosure provide a valve body component, a heat exchanger, and an air conditioner. The valve body component can be part of the header of the heat exchanger and is integrally provided in the header. Alternatively, the valve body component can replace the header of the heat exchanger, solving the problem of the increased volume of the heat exchanger caused by using a conventional one-way valve to achieve variable flow splitting.

[0009] Embodiments of the present disclosure provide a valve body component.

[0010] The valve body component provided by the embodiments of the present disclosure includes: a tubular housing with a first fluid inlet / outlet and a second fluid inlet / outlet at both ends; a valve seat provided on the inner wall of the tubular housing. The valve seat includes a first part provided with a flow port and a second part provided with a blocking member, and the interior of the tubular housing includes a first chamber located between the first fluid inlet / outlet and the flow port, and a second chamber located between the second fluid inlet / outlet and the flow port; a shaft rod connected to the valve seat and disposed in the second chamber of the tubular housing; a guide vane with one end sleeved on the shaft rod and the other end abutted against the valve seat, rotatably covering the flow port; a partition plate disposed in the second chamber of the tubular housing; and an abutting elastic member with the first end fixedly connected to the partition plate. When the guide vane is in the conducting state, the distance between the guide vane and the partition plate is less than the first free length of the abutting elastic member. When the fluid flows in from the first fluid inlet / outlet, the guide vane is impacted by the fluid and rotates, abutting against the second end of the abutting elastic member, and the flow port is conducted, and the fluid flows into the second chamber through the first chamber; when the fluid flows in from the second fluid inlet / outlet, the guide vane closes at the flow port, and the fluid is blocked in the second chamber.

[0011] In some alternative embodiments, the guide vane includes an arc-shaped concave surface, where the arc-shaped concave surface faces the second chamber.

[0012] In some alternative embodiments, the valve body component further includes: a reset elastic member with the first end fixedly connected to the partition plate and disposed above the abutting elastic member, where the second free length of the reset elastic member is less than the first free length of the abutting elastic member, and the distance between the guide vane and the partition plate is less than the second free length of the reset elastic member.

[0013] In some alternative embodiments, the arc-shaped concave surface includes an upper concave section and a lower concave section. When the guide vane conducts the flow port, the abutting elastic member abuts against the lower concave section of the guide vane, and the reset elastic member abuts against the upper concave section of the guide vane.

[0014] In some alternative embodiments, the abutting elastic member is horizontally arranged; and / or the reset elastic member is obliquely arranged and slopes downward from the partition plate towards the guide vane.

[0015] In some alternative embodiments, the shaft rod is disposed above the blocking member of the valve seat, and a preset vertical distance is provided between the shaft rod and the blocking member; or the shaft rod is disposed on the side of the blocking member facing the second chamber.

[0016] In some alternative embodiments, the plugging member includes a free edge facing the flow port, and a first horizontal distance is provided between the shaft rod and the free edge.

[0017] In some alternative embodiments, a second horizontal distance is provided between the shaft rod and the partition, and the first horizontal distance is less than or equal to the second horizontal distance.

[0018] An embodiment of the present disclosure also provides a heat exchanger.

[0019] The heat exchanger provided by the embodiment of the present disclosure includes the valve body member as described above.

[0020] An embodiment of the present disclosure also provides an air conditioner.

[0021] The air conditioner provided by the embodiment of the present disclosure includes the heat exchanger as described above.

[0022] The valve body member, heat exchanger, and air conditioner provided by the embodiments of the present disclosure can achieve the following technical effects:

[0023] The valve body member provided by the embodiment of the present disclosure includes a tubular housing, a valve seat, a shaft rod, a guide vane, a partition, and an abutting elastic member. Among them, the two ends of the tubular housing are respectively a first fluid inlet and outlet and a second fluid inlet and outlet; a flow port is provided on the valve seat, and the valve seat divides the inner chamber of the tubular housing into a first chamber and a second chamber. A shaft rod connected to the valve seat is provided in the second chamber of the tubular housing; the guide vane rotatably covers the flow port. When the fluid flows in from the first fluid inlet and outlet, the guide vane is impacted by the fluid and rotates, and abuts against the second end of the abutting elastic member, and the flow port is opened, and the fluid flows into the second chamber through the first chamber; when the fluid flows in from the second fluid inlet and outlet, the guide vane closes at the flow port, and the fluid is blocked in the second chamber.

[0024] It can be seen that the valve body member provided by the embodiment of the present disclosure can automatically achieve one-way conduction of the fluid according to the inflow direction of the fluid.

[0025] The valve body member provided by the embodiment of the present disclosure is composed of mechanical structures such as a tubular housing, a valve seat, a shaft rod, a guide vane, and an abutting elastic member. Moreover, the tubular housing of the valve body member can directly serve as the header of the heat exchanger, or as a part of the header of the heat exchanger, without having to install the valve body member outside the header of the heat exchanger, reducing the volume of the heat exchanger.

[0026] The above general description and the following description are only exemplary and explanatory, and are not used to limit this application. Description of the Drawings

[0027] One or more embodiments are exemplarily illustrated by corresponding drawings. These exemplary illustrations and the 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, and wherein:

[0028] Figure 1 is a schematic structural diagram of a valve body member provided by an embodiment of the present disclosure;

[0029] Figure 2 is Figure 1 an enlarged view of a selected part in;

[0030] Figure 3 is a schematic structural diagram of another valve body member provided by an embodiment of the present disclosure;

[0031] Figure 4 is Figure 3 an enlarged view of a selected part in;

[0032] Figure 5 is a top view of a valve body member provided by an embodiment of the present disclosure;

[0033] Figure 6 is a schematic structural diagram of another valve body member provided by an embodiment of the present disclosure;

[0034] Figure 7 is Figure 6 an enlarged view of a selected part in;

[0035] Figure 8 is a schematic structural diagram of another valve body member provided by an embodiment of the present disclosure;

[0036] Figure 9 is a schematic structural diagram of another valve body member provided by an embodiment of the present disclosure;

[0037] Figure 10 is Figure 9 an enlarged view of a selected part in;

[0038] Figure 11 is a schematic structural diagram of another valve body member provided by an embodiment of the present disclosure;

[0039] Figure 12 is a schematic structural diagram of a heat exchanger provided by an embodiment of the present disclosure;

[0040] Figure 13 is a schematic diagram of the refrigerant flow path of the heat exchanger provided by an embodiment of the present disclosure.

[0041] Reference numerals:

[0042] 100: Manifold assembly; 101: First fluid inlet / outlet; 102: Second fluid inlet / outlet; 110: First manifold; 111: First chamber; 112: Second chamber; 113: Deflector; 120: Second manifold; 130: Flat tube assembly; 131: First flat tube; 132: Second flat tube; 133: Third flat tube; 140: First main pipeline; 150: Second main pipeline;

[0043] 210: Valve seat; 211: Flow port; 220: Sealing member; 221: Arc chamfer; 230: Shaft rod; 240: Guide piece; 241: Arc-shaped concave surface; 251: Contact elastic member; 252: Reset elastic member; 260: Partition board. Detailed implementation manners

[0044] In order 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 will be described in detail below with reference to the accompanying drawings. The accompanying drawings are only for reference and illustration, and are not intended to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, multiple details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be shown in a simplified manner to simplify the drawings.

[0045] In the embodiments of the present disclosure, the terms "first", "second", etc. in the specification, claims and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so as to describe the embodiments of the present disclosure here. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion.

[0046] In the embodiments of the present disclosure, the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and their embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation. And, in addition to being able to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. 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.

[0047] In addition, the terms "arranged", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, components, or parts. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0048] Unless otherwise specified, the term "plurality" means two or more.

[0049] In the embodiments of the present disclosure, the character " / " indicates an "or" relationship between the preceding and following objects. For example, A / B means: A or B.

[0050] The term "and / or" is an associative relationship describing an object, indicating that there can be three relationships. For example, A and / or B means: A or B, or, the three relationships of A and B.

[0051] It should be noted that, without conflict, the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other.

[0052] The embodiments of the present disclosure provide a valve body member, as Figures 1 to 11 shown.

[0053] The valve body member provided by the embodiments of the present disclosure includes a tubular housing, a valve seat 210, a shaft rod 230, a guide piece 240, a partition 260, and an abutting elastic member 251. The two ends of the tubular housing are respectively a first fluid inlet / outlet 101 and a second fluid inlet / outlet 102; the valve seat 210 is arranged on the inner wall of the tubular housing, and the valve seat 210 includes a first part provided with a flow port 211 and a second part provided with a blocking member 220, and the interior of the tubular housing includes a first chamber 111 located between the first fluid inlet / outlet 101 and the flow port 211, and, a second chamber 112 located between the second fluid inlet / outlet 102 and the flow port 211; the shaft rod 230 is connected to the valve seat 210 and is arranged in the second chamber 112 of the tubular housing; one end of the guide piece 240 is sleeved on the shaft rod 230, and the other end abuts against the valve seat 210 and rotatably covers the flow port 211; the partition 260 is arranged in the second chamber 112 of the tubular housing; the first end of the abutting elastic member 251 is fixedly connected to the partition 260. And when the guide piece 240 is in the conducting state, the distance between the guide piece 240 and the partition 260 is less than the first free length of the abutting elastic member 251.

[0054] When the fluid flows in from the first fluid inlet and outlet 101, the guide vane 240 is impacted by the fluid and rotates, and abuts against the second end of the abutting elastic member 251, the flow port 211 is connected, and the fluid flows into the second chamber 112 through the first chamber 111; when the fluid flows in from the second fluid inlet and outlet 102, the guide vane 240 closes at the flow port 211, and the fluid is terminated in the second chamber 112.

[0055] Optionally, the guide piece 240 includes a bottom surface facing the first chamber 111 and a top surface facing the second chamber 112 .

[0056] The embodiment of the present disclosure provides a valve body component that can achieve one-way flow of fluid. When fluid flows into the second fluid inlet and outlet 102 of the tubular housing, the top surface of the guide vane 240 is subjected to the flow pressure of the fluid. At this time, the pressure on the bottom surface of the guide vane 240 is less than the sum of the pressure on the top and the weight of the guide vane 240. The guide vane 240 closes the flow port 211, and the fluid is cut off in the second chamber 112. At this time, it is in a closed state, and the abutting elastic member 251 is in a free state without abutting against the guide vane 240. Figure 1 shown.

[0057] When the fluid flows in from the first fluid inlet and outlet 101 of the tubular housing, the bottom surface of the guide vane 240 is subjected to the flow pressure of the fluid. At this time, the pressure on the bottom surface of the guide vane 240 is greater than the sum of the weight of the guide vane 240 on the top surface and the elastic force of the abutting elastic member 251. The guide vane 240 is impacted by the fluid and rotates. The guide vane 240 is lifted up by the fluid, and the flow port 211 is connected. The fluid flows from the first chamber 111 into the second chamber 112. At this time, it is in a conductive state, and the abutting elastic member 251 is in an extruded state abutting against the guide vane 240. Figure 3 shown.

[0058] It can be seen that the embodiment of the present disclosure provides a valve body component that can achieve one-way conduction of fluid. Figure 1 and Figure 3 The direction shown in is the vertical installation direction of the valve body component in the use state. The first fluid inlet and outlet 101 is the fluid inlet and outlet of the lower part of the tubular shell, the second fluid inlet and outlet 102 is the fluid inlet and outlet of the upper part of the tubular shell, the first chamber 111 is the lower chamber of the tubular shell, and the second chamber 112 is the upper chamber of the tubular shell. When the fluid flows into the second fluid inlet and outlet 102 of the tubular shell, the flow direction of the fluid can be from the top. When the fluid flows into the first fluid inlet and outlet 101 of the tubular shell, the flow direction of the fluid can be from the bottom to the top, as shown in FIG. Figure 3 shown.

[0059] The valve body component provided by the embodiment of the present disclosure automatically realizes the one-way conduction of fluid inside the tubular housing by utilizing the relationship among the flow pressure of the fluid, the self-gravity of the guide piece 240, and the elastic force of the abutting elastic member 251. Moreover, the structure is simple and it is suitable for installation with the header of the heat exchanger. Further, the valve body component provided by the embodiment of the present disclosure has a simple structure. When the length of the tubular housing is long enough, the tubular housing can replace the header in the heat exchanger. In other words, the header in the heat exchanger serves as the tubular housing of the valve body component in the embodiment of the present disclosure. In this way, the header of the heat exchanger can simultaneously achieve one-way conduction, that is, integrate the one-way conduction function inside the header of the heat exchanger, without the need to additionally install valve body components such as one-way valves, saving the installation space of the heat exchanger.

[0060] Optionally, the fluid may be a heat transfer medium such as refrigerant or water.

[0061] Optionally, the area of the guide piece 240 is greater than or equal to the area of the flow port 211, so that in the closed state, the guide piece 240 is in a state of completely abutting against the valve seat 210, and the guide piece 240 can completely close the flow port 211. In the conducting state, the guide piece 240 does not abut against the valve seat 210, and the fluid flows from the first chamber 111 to the second chamber 112 through the flow port 211, as Figure 3 shown.

[0062] Optionally, the valve seat 210 is arranged in a circle along the inner wall of the tubular housing.

[0063] As Figure 5 shown, the valve seat 210 is arranged in a circle along the inner wall of the tubular housing, that is, at the position where the valve seat 210 is arranged inside the tubular housing, there is no gap between the valve seat 210 and the inner wall of the tubular housing. At the installation position of the valve seat 210, the fluid can only flow through the flow port 211 of the valve seat 210 and cannot flow between the valve seat 210 and the tubular housing, which is beneficial to realizing the one-way conduction of the valve body component.

[0064] Optionally, the valve seat 210 includes a bottom surface facing the first chamber 111 and a top surface facing the second chamber 112. Among them, an arc chamfer 221 is provided on the bottom surface of the valve seat 210. In this way, when the valve body component is in the conducting state, the forward impact and pressure loss of the fluid on the bottom surface of the guide piece 240 are reduced.

[0065] Optionally, the inner wall of the tubular housing includes a first position located at the first horizontal position, and the valve seat 210 is arranged at the first position.

[0066] The valve seat 210 is disposed at a first position within the tubular housing and is horizontally arranged within the tubular housing. When the valve body member is in a vertical installation state, the valve seat 210 is in a horizontal state, and when in the closed state, the guide piece 240 is also in a horizontal state. Optionally, the present disclosure embodiment does not overly limit the specific position of the first horizontal position within the tubular housing. Specifically, the position of the valve seat 210 within the tubular housing can be set according to the position where the header of the heat exchanger needs one-way conduction.

[0067] The valve seat 210 includes a first portion provided with a flow port 211 and a second portion provided with a plugging member 220. Optionally, the valve seat 210 is circular. Dividing the valve seat 210 by a set diameter thereof, the first portion and the second portion of the valve seat 210 are obtained. The first portion is provided with the flow port 211, and the second portion is in a plugging shape provided with the plugging member 220. When the fluid flows in from the second fluid inlet / outlet 102, the guide piece 240 in the closed state and the plugging member 220 together perform a plugging function to cut off the fluid in the second chamber 112.

[0068] Optionally, the shaft rod 230 is connected to the valve seat 210 and is disposed within the second chamber 112 of the tubular housing. Optionally, the shaft rod 230 is disposed above the plugging member 220 in the second chamber 112. The shaft rod 230 is parallel to the set diameter of the valve seat 210.

[0069] When the guide piece 240 is in the conducting state, the distance H2 between the guide piece 240 and the partition plate 260 is less than the first free length H1 of the abutting elastic member 251, as Figure 2 and Figure 4 shown. In this way, when the guide piece 240 is in the conducting state, the abutting elastic member 251 can perform the abutting function with the guide piece 240. Optionally, the conducting state of the guide piece 240 can be understood as a non-closed state. For example, the guide piece 240 is in a vertical state, as Figure 3 shown.

[0070] Optionally, the partition plate 260 is provided with a reserved passage for fluid flow. Optionally, the reserved passage is disposed at the position of the partition plate 260 where the abutting elastic member 251 is provided. For example, when the guide piece 240 is in the closed state, the fluid can flow through the reserved passage.

[0071] Optionally, the guide piece 240 includes an arc-shaped concave surface 241, wherein the arc-shaped concave surface 241 faces the second chamber 112. The arc-shaped concave surface 241 of the guide piece 240 improves the abutting stability between the guide piece 240 and the valve seat 210 when the guide piece 240 is in the closed state. Optionally, the surface of the guide piece 240 facing the second chamber 112 is all set as the arc-shaped concave surface 241, and both ends of the guide piece 240 connected to the valve seat 210 and the shaft rod 230 are upturned, as Figure 1 shown.

[0072] Optionally, the surface of the guide piece 240 facing the first chamber 111 is an arc convex surface, which improves the conduction stability when the fluid is in a conduction state. Optionally, the surfaces of the guide piece 240 facing the first chamber 111 are all set as arc convex surfaces.

[0073] Optionally, the valve body member provided in the embodiment of the present disclosure further includes a reset elastic member 252. The first end of the reset elastic member 252 is fixedly connected to the partition plate 260 and is arranged above the abutting elastic member 251. Wherein, the second free length H3 of the reset elastic member 252 is smaller than the first free length H1 of the abutting elastic member 251, and the distance between the guide piece 240 and the partition plate 260 is smaller than the second free length of the reset elastic member 252.

[0074] When the fluid flows in from the first chamber 111, the abutting elastic member 251 plays a role of abutting against the guide piece 240, so that when there is no fluid flowing in from the first chamber 111, the guide piece 240 returns to the closed state under the abutting action of the abutting elastic member 251. When the pressure of the fluid flowing in from the first chamber 111 is too large, the guide piece 240 may continue to flip from the vertical state, so that one end of the guide piece 240 abuts against the partition plate 260. At this time, the abutting elastic member 251 cannot play the function of restoring the guide piece 240 to the closed state. The valve body member provided in the embodiment of the present disclosure further includes a reset elastic member 252 to play an elastic abutting role on the guide piece 240 when the pressure of the fluid is too large, so that when there is no fluid flowing in from the first chamber 111, the guide piece 240 can smoothly return to the closed state.

[0075] Optionally, the first end of the reset elastic member 252 is fixedly arranged on the partition plate 260, and the reset elastic member 252 is arranged above the abutting elastic member 251 to play an abutting function on the guide piece 240 together with the abutting elastic member 251, or when the abutting elastic member 251 loses the abutting function, the reset elastic member 252 makes the guide piece 240 return to the closed state.

[0076] Optionally, the second free length H3 of the reset elastic member 252 is smaller than the first free length H1 of the abutting elastic member 251, and the distance H2 between the guide piece 240 and the partition plate 260 is smaller than the second free length H3. In this way, when the guide piece 240 is in the conduction state, the abutting elastic member 251 preferentially plays the abutting function with the guide piece 240, and the reset elastic member 252 plays a supplementary abutting function when the abutting pressure received by the abutting elastic member 251 is too large, as Figure 6 shown.

[0077] Optionally, the arc-shaped concave surface 241 includes an upper concave section and a lower concave section. When the guide piece 240 conducts the flow-through port 211, the abutting elastic member 251 abuts against the lower concave section of the guide piece 240, and the reset elastic member 252 abuts against the upper concave section of the guide piece 240. For example, when the guide piece 240 is in a vertical state, it is divided at the 1 / 2 height of the guide piece to obtain an upper concave section located in the upper part and a lower concave section located in the lower part.

[0078] The abutting elastic member 251 abuts against the lower concave section of the guide piece 240. In this way, as long as there is fluid flowing into the first chamber 111, the abutting elastic member 251 can exert the abutting function with the guide piece 240. The reset elastic member 252 abuts against the upper concave section of the guide piece 240. In this way, when the pressure of the fluid flowing into the first chamber 111 is too high, the reset elastic member 252 and the abutting elastic member 251 together exert the abutting function on the guide piece 240.

[0079] Optionally, the abutting elastic member 251 is horizontally arranged; and / or, the reset elastic member 252 is obliquely arranged and slopes downward from the partition plate 260 towards the guide piece 240. The obliquely arranged reset elastic member 252 improves the abutting effect on the upper end of the guide piece 240 and is conducive to restoring the guide piece 240 to the closed state, as Figure 8 shown.

[0080] Optionally, when the reset elastic member 252 is obliquely arranged, the reset elastic member 252 has a second horizontal free length H4, and the second horizontal length H4 is greater than the distance H2 between the guide piece 240 and the partition plate 260.

[0081] Optionally, the shaft rod 230 is arranged above the plugging member 220 of the valve seat 210, and a preset vertical distance is provided between the shaft rod 230 and the plugging member 220, as Figure 1 shown. Or, the shaft rod 230 is arranged on the side of the plugging member 220 facing the second chamber 112, as Figure 9 and Figure 10 shown.

[0082] Optionally, the plugging member 220 includes a free edge facing the flow-through port 211. A first horizontal distance is provided between the shaft rod 230 and the free edge. A second horizontal distance is provided between the shaft rod 230 and the partition plate 260, where the first horizontal distance is less than or equal to the second horizontal distance.

[0083] As Figure 11As shown, the first horizontal distance H5 between the shaft rod 230 and the free edge of the sealing member 220 is not too large, so that the guide piece 240 can improve the sealing performance of the flow port 211 in the closed state. Optionally, the second horizontal distance H6 between the shaft rod 230 and the partition plate 260 is related to the length of the abutting elastic member 251. The second horizontal distance H6 is not too small, so that more elastic deformation distance is provided for the abutting elastic member 251, and thus the abutting elastic member 251 can exert the abutting function on the guide piece 240 under different fluid pressures.

[0084] Optionally, the maximum distance between the partition plate 260 and the tubular housing on one side of the sealing member 220 is greater than or equal to the distance between the partition plate 260 and the free edge of the sealing member 220. In this way, a larger flow space is provided for the fluid between the partition plate 260 and the inner wall of the tubular housing.

[0085] Optionally, a first baffle 113 is further provided in the first chamber 111 of the tubular housing. Optionally, the first baffle 113 is disposed directly below the partition plate 260, and a reserved hole is provided between the first baffle 113 and the sealing member 220.

[0086] The embodiment of the present disclosure also provides a heat exchanger including the foregoing valve body member, such as Figure 12 and Figure 13 shown.

[0087] The embodiment of the present disclosure provides a heat exchanger, including a header assembly and a heat exchange tube assembly. The header assembly 100 includes a first header 110 and a second header 120. The first header 110 is provided with a first valve body member, and the first upper header of the first header 110 is connected to the tubular housing of the first valve body member and is in communication with the second chamber 112. The first lower header of the first header 110 is connected to the tubular housing of the first valve body member and is in communication with the first chamber 111, so that the first chamber 111 is communicated with the first main pipeline 140. Among them, the first upper header, the tubular housing and the first lower header of the first header 110 are arranged in sequence from top to bottom in the vertical direction. It can be understood that the structure of the first valve body member is the same as that of the foregoing valve body member.

[0088] Similarly, the second header 120 is provided with a second valve body member. The second upper header of the second header 120 is connected to the tubular housing of the second valve body member and is in communication with the second chamber 112. The second lower header of the second header 120 is connected to the tubular housing of the second valve body member and is in communication with the first chamber 111, so that the second chamber 112 is communicated with the second main pipeline 150. The second upper header, the tubular housing and the second lower header of the second header are arranged in sequence from top to bottom in the vertical direction. Optionally, there is no partition plate and first baffle in the second valve body member, and other structures are the same as those of the foregoing valve body member.

[0089] The heat exchange tube assembly can be a flat tube assembly 130, and the flat tube assembly 130 includes a first flat tube 131, a second flat tube 132, and a third flat tube 133.

[0090] The first end of the first flat tube 131 communicates with the first chamber 111 of the first valve body member of the first header 110, and its second end communicates with the first chamber 111 of the second valve body member of the second header 120; the first end of the second flat tube 132 communicates with the second chamber 112 of the first valve body member of the first header 110, and its second end communicates with the first chamber 111 of the second valve body member of the second header 120; the first end of the third flat tube 133 communicates with the second chamber 112 of the first valve body member of the first header 110, and its second end communicates with the second chamber 112 of the second valve body member of the second header 120.

[0091] The embodiment of the present disclosure also provides another heat exchanger, including a first valve body member, a second valve body member, and a flat tube assembly. The structure of the first valve body member is as described in the foregoing valve body member. There is no partition plate and first baffle in the second valve body member, and other structures are all as described in the foregoing valve body member. Among them, the first end of the first flat tube 131 communicates with the first chamber 111 of the first valve body member, and its second end communicates with the first chamber 111 of the second valve body member; the first end of the second flat tube 132 communicates with the second chamber 112 of the first valve body member, and its second end communicates with the first chamber 111 of the second valve body member; the first end of the third flat tube 133 communicates with the second chamber 112 of the first valve body member, and its second end communicates with the second chamber 112 of the second valve body member. That is, in the embodiment of the present disclosure, the tubular shell of the valve body member is directly used as the header of the heat exchanger, playing the role of one-way conduction and flow distribution with the flat tubes of the heat exchanger.

[0092] It can be understood that the difference between the foregoing two embodiments is that when the length of the tubular shell of the valve body member is insufficient, the tubular shell of the valve body member can be used as a part of the header of the heat exchanger; when the length of the tubular shell of the valve body member is long enough, the tubular shell of the valve body member can be used as the entire header.

[0093] In this embodiment, the heat exchanger includes a microchannel heat exchanger, and the number of the first flat tube 131 to the third flat tube 133 respectively includes one or more.

[0094] Such as Figure 13As shown in Figure a, when refrigerant enters the heat exchanger from first main line 140, both valve components within the heat exchanger are in a conducting state. Refrigerant from first main line 140 enters first manifold 110 or first chamber 111 of the first valve component. The refrigerant in first chamber 111 branches out into two paths: one path flows through first flat tubes 131 to second manifold 120 or first chamber 111 of the second valve component, and the other path flows through flow openings 211 to first manifold 110 or second chamber 112 of the first valve component. After crossing the partition, the refrigerant in second chamber 112 of first manifold 110 or first valve component branches out into two paths: one path flows through second flat tubes 132 to second manifold 120 or first chamber 111 of the second valve component, and the other path flows through third flat tubes 133 to second manifold 120 or second chamber 112 of the second valve component. The refrigerant in the first chamber 111 of the second header 120 or the second valve body flows through the flow port 211 to the second chamber 112 thereof and continues to flow out of the heat exchanger through the second main line 150. It can be seen that the first flat tubes 131, the second flat tubes 132, and the third flat tubes 133 are connected in parallel.

[0095] like Figure 13 As shown in Figure 2b, when refrigerant enters the heat exchanger through the second main line 150, the valve components within the heat exchanger are in a closed state. Refrigerant in the second main line 150 enters the second manifold 120 or the second chamber 112 of the second valve component. The refrigerant in the second chamber 112 flows through the third flat tubes 133 to the first manifold 110 or the second chamber 112 of the first valve component. Refrigerant in the second chamber 112 of the first manifold 110 or the first valve component flows through the reserved passages in the partitions and through the second flat tubes 132 to the second manifold 120 or the first chamber 111 of the second valve component. Refrigerant in the first chamber 111 of the second manifold 120 or the second valve component passes through the first flat tubes 131 and, after crossing the first baffle, flows to the first manifold 110 or the first chamber 111 of the first valve component. It then continues through the first main line 140 and exits the heat exchanger. As can be seen, the first flat tubes 131, second flat tubes 132, and third flat tubes 133 are arranged in series.

[0096] Optionally, the first main line 140 is in communication with the first fluid inlet and outlet 101 of the first valve body component, and the second main line 150 is in communication with the second fluid inlet and outlet 102 of the second valve body component.

[0097] Optionally, when the heat exchanger serves as an evaporator, the refrigerant enters through the first main pipeline 140 and flows out through the second main pipeline 150. The two valve body components in the heat exchanger are in a conducting state, and the first flat tube 131, the second flat tube 132, and the third flat tube 133 are in a parallel relationship. When the heat exchanger serves as a condenser, the refrigerant enters through the second main pipeline 150 and flows out through the first main pipeline 140. The two valve body components in the heat exchanger are in a closed state, and the first flat tube 131, the second flat tube 132, and the third flat tube 133 are in a series relationship, which increases the subcooling degree of the refrigerant and thus improves the heat exchange effect of the condenser.

[0098] In this embodiment, the valve body component automatically adjusts its state when the refrigerant flows in different directions, switching between the conducting state and the closed state, so that the refrigerant flow path in the heat exchanger is different under different working conditions, realizing variable flow splitting. Moreover, when the heat exchanger serves as an evaporator, there are multiple branches, effectively reducing the frictional pressure drop. When the heat exchanger serves as a condenser, there are fewer branches, thus increasing the refrigerant flow rate and the heat transfer coefficient on the inner side of the tube. In this way, the heat exchange capacity of the heat exchanger is improved.

[0099] Optionally, the heat exchanger provided in the embodiments of the present disclosure can serve as a heat exchange unit. In a complete heat exchange system, multiple such heat exchange units can be included and arranged in parallel or in series.

[0100] The embodiments of the present disclosure provide an air conditioner including the heat exchanger described in any of the above embodiments.

[0101] It can be understood that in order to make the heat exchanger applicable to different types of air conditioners, the specific shape of the heat exchanger is not limited in this application.

[0102] The above description and the drawings fully illustrate the embodiments of the present disclosure so that those skilled in the art can practice them. Other embodiments may include structural and other changes. Embodiments only represent possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations can vary. Parts and features of some embodiments may be included in or substituted for parts and features of other embodiments. The embodiments of the present disclosure are not limited to the structures already described and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present disclosure is only limited by the appended claims.

Claims

1. A valve body component, characterized in that, Comprising: A tubular housing having a first fluid inlet / outlet and a second fluid inlet / outlet at two ends respectively; A valve seat disposed on the inner wall of the tubular housing. The valve seat includes a first part provided with a flow port and a second part provided with a blocking member. And inside the tubular housing, there is a first chamber located between the first fluid inlet / outlet and the flow port, and a second chamber located between the second fluid inlet / outlet and the flow port; A shaft rod connected to the valve seat and disposed inside the second chamber of the tubular housing; A guide piece, one end of which is sleeved on the shaft rod and the other end abuts against the valve seat, rotatably covering the flow port; A partition plate disposed inside the second chamber of the tubular housing; An abutting elastic member, the first end of which is fixedly connected to the partition plate, and when the guide piece is in the conducting state, the distance between the guide piece and the partition plate is less than the first free length of the abutting elastic member, Wherein, when the fluid flows in from the first fluid inlet / outlet, the guide piece is impacted by the fluid and rotates, and abuts against the second end of the abutting elastic member, the flow port is conducted, and the fluid flows into the second chamber through the first chamber; when the fluid flows in from the second fluid inlet / outlet, the guide piece closes at the flow port, and the fluid is blocked in the second chamber.

2. The valve body member according to claim 1, wherein The guide piece includes an arc-shaped concave surface, wherein the arc-shaped concave surface faces the second chamber.

3. The valve body member according to claim 2, characterized in that, Further comprising: A reset elastic member, the first end of which is fixedly connected to the partition plate and is disposed above the abutting elastic member, Wherein, the second free length of the reset elastic member is less than the first free length of the abutting elastic member, and the distance between the guide piece and the partition plate is less than the second free length of the reset elastic member.

4. The valve body member according to claim 3, wherein The arc-shaped concave surface includes an upper concave section and a lower concave section, Wherein, when the guide piece conducts the flow port, the abutting elastic member abuts against the lower concave section of the guide piece, and the reset elastic member abuts against the upper concave section of the guide piece.

5. The valve body member according to claim 3, wherein The abutting elastic member is horizontally arranged; and / or, The reset elastic member is obliquely arranged and slopes downward from the partition plate towards the guide piece.

6. The valve body member according to any one of claims 1 to 5, wherein The shaft rod is disposed above the blocking member of the valve seat, and there is a preset vertical distance between the shaft rod and the blocking member; or, The shaft rod is disposed on one side of the blocking member facing the second chamber.

7. The valve body member according to claim 6, wherein The blocking member includes a free edge facing the flow port, Wherein, there is a first horizontal distance between the shaft rod and the free edge.

8. The valve body member according to claim 7, wherein There is a second horizontal distance between the shaft rod and the partition plate, Wherein, the first horizontal distance is less than or equal to the second horizontal distance.

9. A heat exchanger, characterized in that, Comprising the valve body member according to any one of claims 1 to 8.

10. An air conditioner, characterized in that, Comprising the heat exchanger according to claim 9.

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