Pipeline integration module, outdoor unit and heating and ventilation equipment

Abstract

According to the pipeline integration module, the outdoor unit and the heating and ventilation equipment, a containing cavity used for containing fluid is defined by covering a first plate body and a second plate body, a turning-connection opening communicating with the containing cavity is defined by arranging a turned-over edge, and the wall face of the defined containing cavity comprises a transition convex arc face; the wall surface defining the transfer opening comprises a turnup wall surface, the transition convex arc surface is connected with the turnup wall surface, and the part, inserted into the transfer opening, of the transfer pipe does not completely exceed the transition convex arc surface in the direction from the turnup wall surface to the transition convex arc surface, so that the transfer pipe does not stretch into the containing cavity, and the interference on fluid flowing in the containing cavity is small; the flow resistance generated by the adapter pipe in the containing cavity can be reduced, the adapter pipe can be in smooth transition with the transition convex cambered surface at the pipe opening, a gap can be prevented from being formed between the adapter pipe and the wall face of the containing cavity, then fluid in the containing cavity is prevented from generating vortex during flowing, and the flow resistance generated by the adapter pipe in the containing cavity is further reduced.

Description

Technical Field

[0001] The present application relates to the technical field of heating, ventilation and air conditioning (HVAC) equipment, and specifically refers to a pipeline integration module, an outdoor unit and HVAC equipment. Background Art

[0002] Currently, HVAC equipment usually consists of multiple independent components and pipelines, with a cumbersome installation and commissioning process and a large occupied space. In addition, due to the complex connections between components, problems such as leakage and blockage are likely to occur, affecting the normal operation and performance of HVAC equipment.

[0003] In the related art, the originally scattered pipeline components in HVAC equipment are integrated together to form a compact, efficient and easy-to-install and maintain pipeline integration module. However, when connecting components such as compressors, condensers, evaporators, and throttling devices in HVAC equipment to the pipeline integration module, it is necessary to insert the pipeline into the interior of the pipeline integration module, resulting in a large flow resistance and pressure loss in the pipeline integration module. Summary of the Utility Model

[0004] The main purpose of the present application is to provide a pipeline integration module, an outdoor unit and HVAC equipment, which can solve the problem of large flow resistance when the connecting pipe is inserted into the cavity of the pipeline integration module.

[0005] On the one hand, the present application provides a pipeline integration module, which includes a first plate body, a second plate body and a transition pipe. The first plate body and the second plate body cover each other and jointly define a receiving cavity for accommodating fluid. At least one of the first plate body and the second plate body has a flanging, and the flanging is provided with a transition opening communicating with the receiving cavity. The wall surface defining the receiving cavity includes a transition convex arc surface, which protrudes toward the side where the axis of the transition opening is located. The wall surface defining the transition opening includes a flanging wall surface, and the transition convex arc surface is connected to the flanging wall surface. The transition pipe is inserted into the transition opening in a plug-in fit, and along the direction of the flanging wall surface toward the transition convex arc surface, the part of the transition pipe inserted into the transition opening does not completely exceed the transition convex arc surface.

[0006] In some embodiments, the flanging has a first end face disposed at an angle to the wall face of the flanging. The connection between the wall face of the flanging and the transition convex arc face is a bending line. Along the axis of the connection opening, the bending line has a vertex close to the first end face and a bottom point far from the first end face. One end of the adapter pipe that is inserted and mated with the connection opening has a second end face disposed at an angle to the axis of the adapter pipe. Among them, the second end face is located between the first end face and the vertex of the bending line; or, the second end face is located between the vertex of the bending line and the bottom point of the bending line; or, the second end face is coplanar with the vertex of the bending line.

[0007] In some embodiments, the wall face defining the accommodation cavity further includes a diversion concave arc face, which is connected to the transition convex arc face and is recessed toward the side away from the axis of the connection opening.

[0008] In some embodiments, a first angle α is formed between the outer tangent of the diversion concave arc face and the axis of the connection opening. From the direction of the connection opening toward the diversion concave arc face, the first angle α gradually increases, and α satisfies: 90° < α < 180°; and / or, a second angle β is formed between the outer tangent of the transition convex arc face and the axis of the connection opening. From the direction of the connection opening toward the diversion concave arc face, the second angle β gradually decreases, and β satisfies: 90° < β < 180°.

[0009] In some embodiments, the adapter pipe includes a pipe body and a positioning portion. A part of the pipe body is inserted into the connection opening, and the positioning portion protrudes from the outer wall face of the pipe body to define the insertion depth of the adapter pipe into the connection opening.

[0010] In some embodiments, the pipe integrated module further includes a solder layer. A part of the solder layer fills the gap between the wall face of the connection opening and the outer wall face of the adapter pipe. The flanging has a first end face facing the positioning portion, and another part of the solder layer is connected to the positioning portion and the first end face.

[0011] In some embodiments, the pipe integrated module further includes a solder layer. A part of the solder layer fills the gap between the wall face of the connection opening and the outer wall face of the adapter pipe. One end of the adapter pipe inserted into the connection opening has a second end face at an angle to the axis of the connection opening, and another part of the solder layer extends to be connected to the second end face and the wall face of the accommodation cavity.

[0012] In some embodiments, the connection between the transitional convex arc surface and the flanging wall surface is a bending line. One end of the adapter pipe that is inserted and fitted with the adapter opening has a second end surface, and the second end surface is disposed at an angle to the axis of the adapter pipe. The bending line lies in the plane where the second end surface is located.

[0013] In some embodiments, the first plate body and the second plate body jointly define a plurality of the accommodation cavities, and each of the accommodation cavities communicates with at least one of the adapter openings. The accommodation cavities include at least one of an oil separation cavity and a filtration cavity.

[0014] On the other hand, the present application also provides a technical solution to solve the above technical problem as follows: An outdoor unit, whose pipeline is connected to an indoor heat exchanger of an indoor unit to form a refrigerant cycle. The outdoor unit includes the pipeline integration module as described above.

[0015] Moreover, the present application also provides a technical solution to solve the above technical problem as follows: A heating and ventilation equipment, the heating and ventilation equipment includes the outdoor unit as described above, and also includes an indoor unit and a refrigerant pipeline connecting the outdoor unit and the indoor unit.

[0016] Based on the pipeline integration module, the outdoor unit and the heating and ventilation equipment of the embodiments of the present application, there are at least the following beneficial effects: By covering and defining the first plate body and the second plate body to form an accommodation cavity for accommodating a fluid, and setting a flanging to define an adapter opening communicating with the accommodation cavity, the wall surface defining the accommodation cavity includes a transitional convex arc surface, and the wall surface defining the adapter opening includes a flanging wall surface. The transitional convex arc surface is connected to the flanging wall surface. Along the direction of the flanging wall surface towards the transitional convex arc surface, the part of the adapter pipe inserted into the adapter opening does not completely exceed the transitional convex arc surface, so that one end of the adapter pipe inserted into the adapter opening is always located within the adapter opening, that is, the adapter pipe does not extend into the accommodation cavity, or in other words, the adapter pipe does not protrude from the inner wall surface of the accommodation cavity. The interference to the fluid flow in the accommodation cavity is small, the flow resistance generated by the adapter pipe in the accommodation cavity can be reduced, and the adapter pipe can be smoothly transitioned with the transitional convex arc surface at the pipe orifice, so that the adapter pipe can be smoothly communicated with the accommodation cavity, which can prevent a gap from existing between the adapter pipe and the wall surface of the accommodation cavity, and further prevent the fluid in the accommodation cavity from generating eddy currents during flow, and further reduce the flow resistance generated by the adapter pipe in the accommodation cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0018] Figure 1Schematic three-dimensional structure diagram of a pipeline integration module provided by an embodiment of the present application;

[0019] Figure 2 Schematic cross-sectional structure diagram of a pipeline integration module provided by an embodiment of the present application;

[0020] Figure 3 Schematic cross-sectional structure diagram of the joint between the outer wall surface of a transition pipe and the inner wall surface of a transition opening provided by an embodiment of the present application;

[0021] Figure 4 Schematic cross-sectional structure diagram of a transition pipe welded to a transition opening provided by an embodiment of the present application;

[0022] Figure 5 Schematic exploded structure diagram of a pipeline integration module provided by an embodiment of the present application;

[0023] Figure 6 Schematic three-dimensional structure diagram of a transition pipe provided by an embodiment of the present application;

[0024] Figure 7 Schematic cross-sectional structure diagram of a transition pipe and a transition opening arranged in butt joint provided by an embodiment of the present application;

[0025] Figure 8 Schematic cross-sectional structure diagram of the joint between the inner wall surface of a transition pipe and the outer wall surface of a transition opening provided by an embodiment of the present application.

[0026] Reference numerals in the drawings:

[0027] 100. Pipeline integration module; 1. Module body; 11. Convex part; 12. Flange; 13. First plate body; 131. First flat part; 132. First convex part; 14. Second plate body; 141. Second flat part; 142. Second convex part; 15. Connection layer; 101. Accommodation cavity; 102. Transition opening; 103. Flow guiding concave arc surface; 104. Flange wall surface; 105. Transition convex arc surface; 106. First end face; 107. Bending line; 1071. Vertex; 1072. Bottom point; 108. Second end face; 2. Transition pipe; 21. Pipeline main body; 3. Solder layer; 4. Positioning part; 5. Welding ring. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0029] In addition, the technical solutions between various embodiments of the present application can be combined with each other, but it must be based on the fact that those skilled in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0030] As Figures 1 to 3 shown, it is a schematic structural diagram of a pipeline integration module 100 provided by an embodiment of the present application. The pipeline integration module 100 may include a module body 1 and an adapter pipe 2. The module body 1 includes a first plate body 13 and a second plate body 14. The first plate body 13 and the second plate body 14 can be covered with each other, and the first plate body 13 and the second plate body 14 can jointly define a receiving cavity 101 for accommodating fluid, and at least one of the first plate body 13 and the second plate body 14 has a flanging 12, and the flanging 12 may be provided with an adapter opening 102 communicating with the receiving cavity 101.

[0031] Among them, the flanging 12 is obtained by stamping the plate body that defines the receiving cavity 101. After stamping the flanging 12, the wall surface that defines the receiving cavity 101 can include a transition convex arc surface 105, and the transition convex arc surface 105 can protrude toward the side where the axis of the adapter opening 102 is located. The flanging 12 can include a flanging wall surface 104, the flanging wall surface 104 can define the adapter opening 102, and the transition convex arc surface 105 can be connected to the flanging wall surface 104.

[0032] The adapter pipe 2 can be nested with the flanging 12. More specifically, the inner wall surface of the adapter pipe 2 is joined to the outer wall surface of the flanging 12, or the outer wall surface of the adapter pipe 2 is joined to the inner wall surface of the flanging 12. Preferably, the adapter pipe 2 is inserted into the adapter opening 102, and the part of the adapter pipe 2 inserted into the adapter opening 102 is coaxial with the adapter opening 102.

[0033] Combined Figure 3 and Figure 4 , specifically, both the first plate body 13 and the second plate body 14 can be stainless steel plates. The first plate body 13 can have a first flat part 131 and a first convex part 132 protruding from the first flat part 131. The first flat part 131 refers to the part of the first plate body 13 that is arranged in a flat plate, and the first convex part 132 refers to the part that protrudes from the flat plate structure.

[0034] Similarly, the second plate body 14 can have a second flat part 141 and a second convex part 142 protruding from the second flat part 141. The second flat part 141 refers to the part of the second plate body 14 that is arranged in a flat plate, and the second convex part 142 refers to the part that protrudes from the flat plate structure of the second plate body 14.

[0035] When the first plate body 13 and the second plate body 14 are covered together, the first flat portion 131 and the second flat portion 141 can be arranged opposite to each other, that is, along the direction perpendicular to the first flat portion 131 and the second flat portion 141, the projection of the first flat portion 131 and the projection of the second flat portion 141 are stacked, and the first convex portion 132 and the second convex portion 142 protrude in opposite directions, and the first convex portion 132 and the second convex portion 142 are arranged opposite to each other, so that the first convex portion 132 and the second convex portion 142 can be covered and jointly form a convex portion 11, and a receiving cavity 101 is formed inside the convex portion 11. In the flowing direction of the fluid in the receiving cavity 101, the outer contour shape of the cross section of the receiving cavity 101 is circular, elliptical, polygonal, etc.

[0036] The flanging 12 can be arranged on the convex portion 11, and the flanging 12 can define a connection opening 102 (see Figure 5 ), the connection opening 102 is communicated with the receiving cavity 101, the adapter pipe 2 can be inserted into the connection opening 102 along the direction of the flanging wall surface 104 towards the transition convex arc surface 105, and the part of the adapter pipe 2 inserted into the connection opening 102 does not completely exceed the transition convex arc surface 105. It can also be said that one end of the adapter pipe 2 inserted into the connection opening 102 is always located in the connection opening 102, that is, the adapter pipe 2 does not extend into the receiving cavity 101, or the adapter pipe 2 does not protrude from the inner wall surface of the receiving cavity 101. The adapter pipe 2 has little interference with the fluid flow in the receiving cavity 101, can reduce the flow resistance generated by the adapter pipe 2 in the receiving cavity 101, and the adapter pipe 2 can be smoothly transitioned with the transition convex arc surface 105 at the pipe orifice, so that the adapter pipe 2 can be smoothly communicated with the receiving cavity 101, and gaps between the adapter pipe 2 and the wall surface of the receiving cavity 101 can be prevented, thereby preventing the fluid in the receiving cavity 101 from generating eddy currents during flow and further reducing the flow resistance generated by the adapter pipe 2 in the receiving cavity 101.

[0037] Please refer to Figures 3 to 5 , the flanging 12 can have a first end face 106 arranged at an angle with the flanging wall surface 104. Preferably, the first end face 106 is perpendicular to the axis of the connection opening 102. The connection between the flanging wall surface 104 and the transition convex arc surface 105 can be a bending line 107. The bending line 107 can be a curved line, and along the axial direction of the connection opening 102, the bending line 107 can have a vertex 1071 close to the first end face 106, and the bending line 107 can also have a bottom point 1072 far from the first end face 106.

[0038] Combined with Figure 5, optionally, the flanging 12 is stamped on the convex hull, so that the bending line 107 is a curved line in space, and the first end face 106 is a circular ring line. The bending line 107 has a vertex 1071 and a bottom point 1072. The vertex 1071 is the point on the bending line 107 that is closest to the first end face 106 along the axis of the transfer opening 102, and the bottom point 1072 is the point on the bending line 107 that is farthest from the first end face 106 along the axis of the transfer opening 102.

[0039] For the convenience of description, along the axis of the transfer opening 102, the vertical distance between the first end face 106 and the bending line 107 is defined as a. Since the bending line 107 is a curved line and the first end face 106 is a circular ring line, the vertical distance from each point on the bending line 107 to the first end face 106 is not exactly equal. a represents a range value greater than 0. When a takes the minimum value within this range, it corresponds to the vertical distance between the vertex 1071 and the first end face 106. When a takes the maximum value within this range, it corresponds to the vertical distance between the bottom point 1072 and the first end face 106.

[0040] One end of the transfer pipe 2 that is inserted into the transfer opening 102 has a second end face 108. The second end face 108 can be arranged at an angle with the axis of the transfer pipe 2. In this embodiment, the second end face 108 is perpendicular to the axis of the transfer pipe 2, and the second end face 108 is parallel to the first end face 106.

[0041] Wherein, the transfer pipe 2 is inserted into the transfer opening 102, and the second end face 108 is located between the first end face 106 and the vertex 1071 of the bending line 107, that is, the transfer pipe 2 is inserted into the transfer opening 102 but does not exceed the bending line 107, so that the transfer pipe 2 does not extend into the accommodating cavity 101, that is, the pipe orifice of the transfer pipe 2 can be correspondingly arranged with the transition convex arc surface 105, so that the interference of the transfer pipe 2 on the fluid flow in the accommodating cavity 101 is small. Of course, in some embodiments, the second end face 108 can be coplanar with the vertex 1071 of the bending line 107, so that the second end face 108 can be connected to the transition convex arc surface 105, so that the fluid in the accommodating cavity 101 can smoothly flow into the transfer pipe 2 along the transition convex arc surface 105 and the second end face 108.

[0042] In some other embodiments, the transfer pipe 2 is inserted into the transfer opening 102, and the second end face 108 is located between the vertex 1071 of the bending line 107 and the bottom point 1072 of the bending line 107, that is, the transfer pipe 2 is inserted into the transfer opening 102 and exceeds the bending line 107 by a part, but does not completely exceed the bending line 107, so that the plane where the second end face 108 of the transfer pipe 2 is located intersects the bending line 107, that is, the second end face 108 does not completely extend into the accommodating cavity 101, and the flow resistance generated by the transfer pipe 2 in the accommodating cavity 101 can also be reduced.

[0043] Combined with Figure 3 , optionally, in some embodiments, the pipeline integration module 100 may further include a connection layer 15, and the connection layer 15 is connected between the first flat portion 131 and the second flat portion 141. In this embodiment, solder can be disposed between the first flat portion 131 and the second flat portion 141. After the solder is heated and melted, the gap between the first flat portion 131 and the second flat portion 141 is filled, and then solidified to form the connection layer 15, connecting the first flat portion 131 and the second flat portion 141 together, making the structure of the pipeline integration module 100 more firm.

[0044] Such as Figure 3 and Figure 4 shown, in some embodiments, the shape of the transfer opening 102 defined by the flanging wall surface 104 is circular, oval or polygonal, etc., and the shape of the outer wall surface of the flange 12 is similar to that of its inner wall surface. Among them, along the axis of the transfer opening 102, the flanging wall surface 104 has a first end surface 106 and a bending line 107 arranged oppositely.

[0045] One part of the wall surface of the accommodation cavity 101 adjacent to the bending line 107 forms a transition convex arc surface 105, and the other part of the wall surface away from the bending line 107 can form a diversion concave arc surface 103, and the transition convex arc surface 105 can be connected between the diversion concave arc surface 103 and the flanging wall surface 104. Among them, the transition convex arc surface 105 can protrude toward the side where the axis of the transfer opening 102 is located, while the diversion concave arc surface 103 is concave toward the side away from the axis of the transfer opening 102, so that the protruding direction of the diversion concave arc surface 103 is opposite to that of the transition convex arc surface 105.

[0046] When the fluid in the accommodation cavity 101 contacts the diversion concave arc surface 103, the shape of the diversion concave arc surface 103 can guide the fluid to flow smoothly along the contour of the concave arc surface. For example, it can guide the fluid toward the direction where the transfer opening 102 is located, while reducing the turbulence and resistance generated during the fluid flow, making it easier for the fluid to form a stable laminar flow state in the accommodation cavity 101, contributing to the uniform distribution of the fluid in the accommodation cavity 101, preventing the formation of accumulation or dead corners in certain areas, and the transition convex arc surface 105 can establish a smooth transition area between the diversion concave arc surface 103 and the flanging wall surface 104, so that after the fluid flows through the diversion concave arc surface 103, it can smoothly transition to the flanging wall surface 104, reducing the energy loss and possible turbulence generation during the fluid transition.

[0047] It is worth noting that the bending direction of the transition convex arc surface 105 is designed to be opposite to the bending direction of the guide concave arc surface 103, that is, the guide concave arc surface 103 is concave toward the side where the axis of the adapter opening 102 is located, while the transition convex arc surface 105 is convex toward the side where the axis of the adapter opening 102 is located. This can further enhance the guidance and stability of the fluid in the accommodating cavity 101. Through this design, the fluid can form a more orderly and efficient flow pattern in the accommodating cavity 101, thereby improving the performance and efficiency of the entire system.

[0048] like Figure 3 As shown, in some embodiments, a first angle α is formed between the external tangent line of the guide concave arc surface 103 and the axis of the transition opening 102, and the first angle α gradually increases from the flange wall 104 toward the guide concave arc surface 103, and α satisfies: 90°<α<180°, that is, the first angle α is an obtuse angle.

[0049] Similarly, a second angle β is formed between the external tangent of the transition convex arc surface 105 and the axis of the transfer opening 102. The second angle β gradually decreases from the flange wall surface 104 toward the flow guide concave arc surface 103, and β satisfies: 90°<β<180°, and the second angle β is an obtuse angle.

[0050] Specifically, starting from the flange wall 104, toward the direction of the concave guide surface 103, the first angle α gradually increases. This gradually increasing first angle α is conducive to the fluid flowing more smoothly along the contour of the concave guide surface 103 to the transfer opening 102 or into the accommodating cavity 101 when the fluid contacts the concave guide surface 103, which can reduce the turbulence and resistance of the fluid. At the same time, because α is an obtuse angle, the fluid is more likely to form a stable laminar state during the flow process, preventing accumulation and dead corners in specific areas.

[0051] However, unlike the first angle α, the second angle β gradually decreases from the flange wall 104 toward the flow guide concave arc surface 103, so that when the fluid flows through the transition convex arc surface 105, it can gradually transition from the transition convex arc surface 105 to the flange wall 104, forming a smooth flow transition. As β gradually decreases, the energy loss and turbulence generation of the fluid during the transition process are also reduced accordingly, thereby enhancing the continuity and stability of the fluid flow.

[0052] Therefore, by gradually increasing the first angle α and gradually decreasing the second angle β, the fluid can form a smoother flow path in the accommodating cavity 101, reducing turbulence and resistance, and improving flow efficiency and stability.

[0053] like Figure 3 and Figure 4As shown, in some embodiments, the perpendicular distance from the wall surface defining the accommodation cavity 101 to the axis of the adapter opening 102 is defined as d. It can also be said that the perpendicular distance from the transition convex arc surface 105 to the axis of the adapter opening 102, and the perpendicular distance from the diversion concave arc surface 103 to the axis of the adapter opening 102 is also the distance d, that is Figure 2 the distance d marked in the figure.

[0054] Specifically, in the direction from the flanging wall surface 104 towards the diversion concave arc surface 103, the perpendicular distance d gradually increases, such that the cross-sectional area of the accommodation cavity 101 defined by the transition convex arc surface 105 and the diversion concave arc surface 103 also shows a gradually increasing trend. Thus, the accommodation cavity 101 can accommodate more fluid. And in certain regions of the accommodation cavity 101, especially near the flanging wall surface 104, the fluid flowing into the accommodation cavity 101 from the adapter opening 102 is likely to accumulate due to a decrease in flow velocity. However, by gradually increasing the distance d, the fluid in these regions is effectively guided to the diversion concave arc surface 103 and flows along the diversion concave arc surface 103 to various parts of the accommodation cavity 101, thereby preventing the occurrence of accumulation phenomena and enabling the uniform distribution of the fluid within the accommodation cavity 101.

[0055] As Figure 3 shown, in some embodiments, along the axial direction of the adapter opening 102, the length of the flanging wall surface 104 is the perpendicular distance a between the first end face 106 and the bending line 107, and the depth at which the adapter pipe 2 is inserted into the adapter opening 102 is defined as b, and the magnitude relationship between a and b satisfies that b is less than or equal to the maximum value of a.

[0056] Optionally, the value range of a satisfies: 1mm ≤ a ≤ 3mm, such that the flanging 12 can define the adapter opening 102, and the length of the flanging 12 is not too long, which facilitates the installation of other components, and the length of the flanging 12 is not too short, such that the adapter opening 102 has sufficient structural strength.

[0057] Or b satisfies: 0 < b ≤ 3mm, and at the same time a ≥ b. Thus, within the length range of a, the adapter pipe 2 can be inserted into the adapter opening 102, and one end of the adapter pipe 2 is always located within the adapter opening 102, that is, the adapter pipe 2 does not extend into the accommodation cavity 101, such that the adapter pipe 2 can be connected to the adapter opening 102, and the flow resistance generated by the adapter pipe 2 within the accommodation cavity 101 can be reduced, so that the fluid can flow more smoothly within the accommodation cavity 101.

[0058] As Figure 5 and Figure 6As shown, in some embodiments, the adapter pipe 2 may include a pipe body 21 and a positioning portion 4. A part of the pipe body 21 is inserted into the adapter opening 102. A positioning portion 4 may protrude from the outer wall surface of the pipe body 21. Along the axial direction of the adapter pipe 2, the positioning portion 4 may be used to define the depth of insertion of the adapter pipe 2 into the adapter opening 102, so that one end of the adapter pipe 2 inserted into the adapter opening 102 is located within the adapter opening 102.

[0059] Specifically, the positioning portion 4 may be at least one of a bump, a convex ring or a rib. When the positioning portion 4 is a bump protruding from the outer wall surface of the pipe body 21, the positioning portion 4 may include a plurality of bumps. Along the circumferential direction of the pipe body 21, the plurality of bumps may be sequentially and spacedly arranged on the outer wall surface of the pipe body 21. When one end of the pipe body 21 is inserted into the adapter opening 102, the plurality of bumps may abut against the end surface of the adapter opening 102 facing away from the receiving cavity 101 to limit the pipe body 21 from further extending into the adapter opening 102, so that one end of the pipe body 21 inserted into the adapter opening 102 is located within the adapter opening 102. By providing the positioning portion 4, it is convenient to install and insert the pipe body 21 into the adapter opening 102, and it can prevent the pipe body 21 from extending into the receiving cavity 101.

[0060] In some other embodiments, the positioning portion 4 may also include a plurality of protrusions. The plurality of protrusions are sequentially and spacedly arranged on the outer wall surface of the pipe body 21 along the circumferential direction of the pipe body 21. One surface of the plurality of protrusions facing the adapter opening 102 is coplanar with each other, so that when the pipe body 21 is inserted, the plurality of protrusions can all abut against the end surface of the adapter opening 102 facing away from the receiving cavity 101. And the positioning portion 4 may also be a convex ring, and the convex ring extends in a circle along the circumferential direction of the pipe body 21. When the pipe body 21 is inserted into the adapter opening 102, the convex ring is parallel to the end surface of the adapter opening 102 facing away from the receiving cavity 101, and as the pipe body 21 is continuously inserted into the adapter opening 102, the convex ring can abut against the end surface of the adapter opening 102 facing away from the receiving cavity 101 to limit the pipe body 21 from further extending into the adapter opening 102, so that one end of the pipe body 21 inserted into the adapter opening 102 is located within the adapter opening 102.

[0061] As Figure 3 and Figure 4 As shown, in some embodiments, the pipe integration module 100 may further include a solder layer 3. Define the end surface of the flanging 12 facing the positioning portion 4 as the first end surface 106. One part of the solder layer 3 connects the positioning portion 4 and the first end surface 106, and another part of the solder layer 3 fills the gap between the inner wall surface of the adapter opening 102 and the outer wall surface of the adapter pipe 2. Thus, the solder layer 3 can fix the adapter pipe 2 to the adapter opening 102.

[0062] Specifically, the solder can be disposed on the lower side of the positioning portion 4 and in close contact with the first end face 106. Preferably, the solder disposed between the positioning portion 4 and the first end face 106 is a solder ring 5. The solder ring 5 is sleeved on the outer wall surface of the adapter pipe 2 and clamped between the positioning portion 4 and the first end face 106. After automated welding, the solder melts, and the molten solder will flow into a part between the inner wall surface of the adapter opening 102 and the outer wall surface of the adapter pipe 2 to form a solder layer 3. The solder layer 3 connects the adapter pipe 2 and the adapter opening 102. By providing the positioning portion 4 on the outer wall surface of the adapter pipe 2, it is convenient to place the solder, so that the solder can be clamped at the welding position before welding, and during the welding process, the solder can be prevented from shaking, which may cause insecure welding.

[0063] As Figure 3 and Figure 4 shown, in some embodiments, the distance between the positioning portion 4 and the first end face 106 is L. The part of the adapter pipe 2 inserted into the adapter opening 102 has a second end face 108, and the second end face 108 forms an angle with the axial direction of the adapter pipe 2. For example, the second end face 108 is perpendicular or forms an acute angle with the axial direction of the adapter pipe 2. The distance between the positioning portion 4 and the second end face 108 is c, where the value range of c satisfies: 0 < c ≤ a + L. By limiting c to be less than or equal to a + L, after clamping the solder between the positioning portion 4 and the first end face 106, the end of the adapter pipe 2 inserted into the adapter opening 102 will not extend into the accommodation cavity 101. Thus, when the adapter pipe 2 is inserted into the adapter opening 102, the solder can abut against the first end face 106, and the solder can also support the positioning portion 4, so that the adapter pipe 2 cannot continue to extend into the adapter opening 102. At this time, the end of the adapter pipe 2 inserted into the adapter opening 102 is located within the adapter opening 102. Due to the restrictive effect jointly exerted by the solder and the positioning portion 4, the adapter pipe 2 is not inserted into the accommodation cavity 101.

[0064] Therefore, when the value range of c satisfies: 0 < c ≤ a + L, enough distance can be reserved to clamp the solder between the positioning portion 4 and the first end face 106. At the same time, the positioning portion 4 can continue to play a role in limiting the insertion depth of the adapter pipe 2 into the adapter opening 102, so that the end of the adapter pipe 2 inserted into the adapter opening 102 is located within the adapter opening 102, that is, the second end face 108 is located within the adapter opening 102.

[0065] In some embodiments, the value range of L satisfies: 0.2 mm ≤ L ≤ 2 mm. Since the caliber of the adapter opening 102 and the pipe diameter of the adapter pipe 2 are mutually matched, the adapter pipe 2 can be inserted into the adapter opening 102. Therefore, there is a certain gap between the inner wall surface of the adapter opening 102 and the outer wall surface of the adapter pipe 2, so that the molten solder can fill this gap.

[0066] When L is less than 0.2 mm, the distance between the positioning portion 4 and the first end face 106 is too small, resulting in too small a volume of solder that can be clamped between the positioning portion 4 and the first end face 106. During welding, the molten solder may not be able to fill the gap between the outer wall surface of the adapter tube 2 and the inner wall surface of the adapter opening 102, resulting in insecure welding and possible fluid leakage.

[0067] When L is greater than 2 mm, the distance between the positioning portion 4 and the first end face 106 is too large, resulting in the need for more solder to clamp the solder between the positioning portion 4 and the first end face 106. However, too much molten solder, after filling the gap between the outer wall surface of the adapter tube 2 and the inner wall surface of the adapter opening 102, will still have molten solder flowing along the diversion concave arc surface 103 and continuing to flow into the accommodation cavity 101, forming a turbulent bump in the accommodation cavity 101 and increasing the flow resistance in the accommodation cavity 101.

[0068] Therefore, when the value range of L satisfies: 0.2 mm ≤ L ≤ 2 mm, the solder can be firmly clamped between the positioning portion 4 and the first end face 106, and the molten solder can fill the gap between the outer wall surface of the adapter tube 2 and the inner wall surface of the adapter opening 102, and there will be no excess solder continuing to flow into the accommodation cavity 101.

[0069] In some embodiments, a solder accommodation space can be formed between the flanging wall surface 104 and the second end face 108, such that the molten solder can flow along the outer wall surface of the adapter tube 2 to between the flanging wall surface 104 and the second end face 108 and form a partial solder layer 3. This partial solder layer 3 can be connected to the flanging wall surface 104 and the second end face 108 and extend to the transition convex arc surface 105, and even extend to the diversion concave arc surface 103, so that the wall surface defining the pipe orifice of the adapter tube 2 can be smoothly transitioned with the transition convex arc surface 105 or the diversion concave arc surface 103, thereby enabling the adapter tube 2 to be smoothly communicated with the accommodation cavity 101, preventing the fluid in the accommodation cavity 101 from generating eddies during flow, and further reducing the flow resistance generated at the connection between the adapter tube 2 and the accommodation cavity 101.

[0070] In some embodiments, the bending line 107 can be a circular ring line. When the bending line 107 is coplanar with the plane where the second end face 108 is located, that is, when the plane where the second end face 108 is located is flush with the plane where the bending line 107 is located, the outer wall surface of the adapter tube 2 can completely cover the inner wall surface of the adapter opening 102, i.e., the flanging wall surface 104, so that the pipe orifice of the adapter tube 2 can be more smoothly connected to the transition convex arc surface 105. When the fluid flows into the adapter tube 2, the fluid can flow from the accommodation cavity 101 through the transition convex arc surface 105 and directly enter the adapter tube 2, without flowing through other wall surfaces and then flowing into the adapter tube 2, which can further reduce the resistance of the fluid flowing into the adapter tube 2.

[0071] As Figure 1 and Figure 5 shown, in some embodiments, the first plate body 13 and the second plate body 14 can jointly define a plurality of accommodation cavities 101, and each accommodation cavity 101 communicates with at least one transfer opening 102 to facilitate the smooth inflow and outflow of fluid.

[0072] Specifically, the first plate body 13 can be provided with a plurality of first protrusions 132, and the second plate body 14 can be provided with a plurality of second protrusions 142. When the first plate body 13 and the second plate body 14 are covered together, they can jointly form a plurality of independent protrusions 11. Each protrusion 11 internally defines a complete accommodation cavity 101. Among them, the accommodation cavity 101 can include at least one of an oil separation cavity and a filtration cavity.

[0073] More clearly, according to actual needs, the accommodation cavity 101 can be an oil separation cavity, a filtration cavity or a cavity with other specific functions. The fluid in a mixed state can separate oil in the oil separation cavity, while the fluid can remove impurities in the filtration cavity to increase the purity of the fluid.

[0074] In some embodiments, the transfer pipe 2 can be one of a stainless steel pipe or an aluminum pipe. When the transfer pipe 2 is a stainless steel pipe, a copper layer can be provided at one end of the transfer pipe 2 outside the accommodation cavity 101. More clearly, a layer of copper can be plated on the outer wall surface of the transfer pipe 2, or a copper pipe sleeve can be sleeved at the end of the transfer pipe 2. It can be connected to the refrigerant pipe through the copper layer. When the transfer pipe 2 is an aluminum pipe, similarly, a copper layer can be provided at one end of the transfer pipe 2 outside the accommodation cavity 101. Through the copper layer, the connection between the transfer pipe 2 and the refrigerant pipe can be made more firm.

[0075] In some other embodiments, the transfer pipe 2 can directly be a copper pipe, and by directly connecting the transfer pipe 2 to the refrigerant pipe, the connection can be made more firm.

[0076] See Figure 7 shown. Optionally, one end face of the transfer pipe 2 can also be disposed opposite to one end face of the flanging 12 facing away from the accommodation cavity 101. Define one end face of the flanging 12 facing away from the accommodation cavity 101 as the first end face 106, that is, one end face of the transfer pipe 2 is disposed opposite to the first end face 106, and solder can be clamped between one end face of the transfer pipe 2 and the first end face 106. After heating and melting the solder, the molten solder can form a solder layer 3 between one end face of the transfer pipe 2 and the first end face 106 to fix the transfer pipe 2 at the transfer opening 102, and can also prevent the transfer pipe 2 from being inserted into the accommodation cavity 101, so that the transfer pipe 2 will not generate a large flow resistance and pressure loss in the accommodation cavity 101.

[0077] See Figure 8As shown, optionally, the inner wall surface of the adapter pipe 2 can be joined to the outer wall surface of the adapter opening 102, and solder can be placed on the end surface of the flange 12 facing away from the receiving cavity 101. After heating and melting the solder, the molten solder can fill the space between the inner wall surface of the adapter pipe 2 and the outer wall surface of the adapter opening 102 to form a solder layer 3, fixing the adapter pipe 2 at the adapter opening 102, which can also prevent the adapter pipe 2 from being inserted into the receiving cavity 101, so that the adapter pipe 2 does not generate a large flow resistance and pressure loss in the receiving cavity 101.

[0078] An embodiment of the present application also provides an outdoor unit, which includes the pipeline integration module 100 as described above. The pipeline integration module 100 of the outdoor unit is connected to the indoor heat exchanger through pipelines to form a refrigerant cycle.

[0079] The beneficial effects of the outdoor unit in the present application are the same as those of the pipeline integration module 100 in the present application, and will not be elaborated here.

[0080] An embodiment of the present application also provides a heating, ventilation and air conditioning (HVAC) device, which includes the outdoor unit as described above, and also includes an indoor unit that forms a refrigerant cycle and a refrigerant pipeline that connects the outdoor unit and the indoor unit.

[0081] The beneficial effects of the HVAC device in the present application are the same as those of the pipeline integration module 100 in the present application, and will not be elaborated here.

[0082] In the drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present application, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings. This is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only for illustrative purposes and cannot be construed as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0083] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A pipeline integrated module, characterized in that: include: A first plate body; A second plate body, which covers the first plate body and defines a receiving cavity for receiving a fluid, wherein at least one of the first plate body and the second plate body has a flange, wherein the flange is provided with a transfer opening communicating with the receiving cavity, wherein a wall surface defining the receiving cavity includes a transition convex surface, wherein the transition convex surface is convexly arranged toward a side where an axis of the transfer opening is located, and wherein a wall surface defining the transfer opening includes a flange wall surface, wherein the transition convex surface is connected to the flange wall surface; The adapter tube is plugged into the adapter opening and is arranged along the flange wall toward the transition convex arc surface. The portion of the adapter tube inserted into the adapter opening does not completely exceed the transition convex arc surface.

2. The pipeline integrated module according to claim 1, characterized in that: The flange has a first end face that is set at an angle with the flange wall face, the connection between the flange wall face and the transition convex arc face is a bending line, along the axial direction of the transfer opening, the bending line has a vertex close to the first end face, and the bending line has a bottom point away from the first end face, the end of the transfer tube that is plugged into the transfer opening has a second end face, and the second end face is set at an angle with the axis of the transfer tube; The second end face is located between the first end face and the vertex of the bending line; or, the second end face is located between the vertex of the bending line and the bottom point of the bending line; or, the second end face is coplanar with the vertex of the bending line.

3. The pipeline integrated module according to claim 1, characterized in that: The wall surface defining the accommodating cavity further includes a flow-guiding concave arc surface, the flow-guiding concave arc surface is connected to the transition convex arc surface, and the flow-guiding concave arc surface is recessed toward a side away from the axis of the transfer opening.

4. The pipeline integrated module according to claim 3, characterized in that: A first angle α is formed between the outer tangent line of the concave guide surface and the axis of the transition opening, and the first angle α gradually increases from the transition opening toward the concave guide surface, and α satisfies: 90°<α<180°; and / or, A second angle β is formed between the outer tangent line of the transition convex arc surface and the axis of the transition opening. From the transition opening toward the flow guide concave arc surface, the second angle β gradually decreases, and β satisfies: 90°<β<180°.

5. The pipeline integrated module according to claim 1, characterized in that: The adapter tube includes a pipeline body and a positioning portion, a portion of which is inserted into the adapter opening, and the positioning portion is protruding from the outer wall surface of the pipeline body to limit the depth of the adapter tube inserted into the adapter opening.

6. The pipeline integrated module according to claim 5, characterized in that: The pipeline integrated module further includes a solder layer, a portion of which fills a gap between a wall surface of the adapter opening and an outer wall surface of the adapter tube; The flange has a first end surface facing the positioning portion, and another portion of the solder layer is connected to the positioning portion and the first end surface.

7. The pipeline integrated module according to claim 1, characterized in that: The pipeline integrated module further includes a solder layer, a portion of which fills a gap between a wall surface of the adapter opening and an outer wall surface of the adapter tube; One end of the adapter tube inserted into the adapter opening has a second end surface that forms an angle with the axial direction of the adapter opening, and another part of the solder layer extends to connect the second end surface and the wall surface of the accommodating cavity.

8. The pipeline integrated module according to claim 1, characterized in that: The connection between the transition convex arc surface and the flange wall surface is a bending line, and one end of the adapter tube that is plugged into the adapter opening has a second end face, the second end face is set at an angle to the axis of the adapter tube, and the bending line is in the plane where the second end face is located.

9. The pipeline integrated module according to claim 1, characterized in that: The first plate body and the second plate body together define a plurality of the accommodating cavities, each of the accommodating cavities being in communication with at least one of the transfer openings; The accommodating chamber includes at least one of an oil separation chamber and a filter chamber.

10. An outdoor unit, whose pipeline is connected to the indoor heat exchanger of the indoor unit to form a refrigerant cycle, characterized in that: A pipeline integrated module comprising any one of claims 1-9.

11. A HVAC equipment, characterized in that: It comprises the outdoor unit as claimed in claim 10, and an indoor unit, and a refrigerant pipe connecting the outdoor unit and the indoor unit.

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