CN111173609B

CN111173609B - Sealing member, sealing assembly and heat exchanger

Info

Publication number: CN111173609B
Application number: CN202010140826.3A
Authority: CN
Inventors: 姚斌; 李天�; 殷伟星; 戎小洋; 于光利; 谢建; 刘伟锋; 闵富海; 汤平强
Original assignee: Zhejiang Yinlun Machinery Co Ltd
Current assignee: Zhejiang Yinlun Machinery Co Ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2024-10-11
Anticipated expiration: 2040-03-03
Also published as: CN111173609A; WO2021175258A1

Abstract

The application relates to the technical field of heat exchange equipment, in particular to a sealing element, a sealing assembly and a heat exchanger, which comprises a main body, wherein the main body comprises a first connecting part and a second connecting part which are mutually connected, the first connecting part is used for connecting the main board, and the second connecting part is used for connecting the core body so that the main body covers at least part of the connecting seam. The application aims to provide a sealing piece, a sealing assembly and a heat exchanger, aiming at solving the problem that a gap possibly exists between a main board and a core body due to the deformation of the core body in the brazing process, so that air leakage of an intercooler occurs at the gap.

Description

Sealing member, sealing assembly and heat exchanger

Technical Field

The application relates to the technical field of heat exchange equipment, in particular to a sealing piece, a sealing assembly and a heat exchanger.

Background

At present, a core body of an intercooler basically comprises a main board, a shell and a plurality of chips, all parts of the core body are generally welded into a whole through brazing, all parts are firstly assembled together before welding, brazing filler metal is filled between welding surfaces, after welding, the core body is deformed to a certain extent due to melting of the brazing filler metal, the shape of the main board is generally unchanged, gaps can be formed between the core body and the main board, and air leakage of the intercooler at the gaps can occur in the using process.

Disclosure of Invention

The application aims to provide a sealing piece, a sealing assembly and a heat exchanger, aiming at solving the problem that a gap possibly exists between a main board and a core body due to the deformation of the core body in the brazing process, so that air leakage of an intercooler occurs at the gap.

In order to achieve the above purpose, the present application adopts the following technical scheme:

One aspect of the present application provides a seal for a heat exchanger having a core and a main plate, the main plate being fitted over the core and forming a connection joint between the core and the main plate, the seal comprising a main body including a first connection portion and a second connection portion connected to each other, the first connection portion being for connecting to the main plate, the second connection portion being for connecting to the core such that the main body covers at least part of the connection joint.

Optionally, the main board has a transition fillet, the transition fillet is located the main board is close to the position of core, the sealing member includes an insertion portion, the insertion portion is used for inserting the clearance that forms between transition fillet and the core.

The beneficial effect of this technical scheme lies in: in the process of forming the main board, due to the limitation of a sheet metal bending process, a transition fillet is inevitably formed at a bending position of the main board, when a sealing piece covers a connecting joint, air flow possibly flows out along a gap between the transition fillet and a core body, so that the sealing between the main board and the core body cannot achieve an ideal effect. In the embodiment of the application, the insertion part can be a part independent of the main body, can be connected with the main body, can be not connected with the main body, and is only contacted with the main body or is not contacted with the main body, so that double blocking to air flow is formed through the insertion part and the main body; the main body of the present application may be the insertion portion, and the first connection portion and the second connection portion may be part of the insertion portion, for example, the first connection portion and the second connection portion may be one surface of the insertion portion.

Optionally, the insert is connected to the body.

The beneficial effect of this technical scheme lies in: compared with the condition that the insertion part is only contacted with the main body but not connected or not contacted with the main body, the connection between the insertion part and the main body enables the integrity of the sealing element to be better, and the air flow is prevented from flowing out from a gap possibly existing between the insertion part and the main body.

Optionally, one end of the insertion part is a connection end connected to the main body, and the other end of the insertion part is a free end;

The connecting line of the free end and the connecting end is perpendicular to the first direction, or the connecting line of the free end and the connecting end is inclined relative to the first direction;

the first direction is a length direction of the main body.

Optionally, the projection of the insert into the cross section of the seal is wedge-shaped, tapering from the connecting end to the free end.

The beneficial effect of this technical scheme lies in: a gap similar to a triangle or a wedge is formed between the transition fillet and the core body of the main board, and the projection of the insertion part in the cross section of the sealing element is wedge-shaped, so that the insertion part is adapted to the gap between the transition fillet and the core body, and a better plugging effect is achieved.

Optionally, the insertion portion is connected to a junction between the first connection portion and the second connection portion.

Optionally, the second connecting portion has the first laminating face that is used for with the core laminating, the main part includes two first connecting portion, two first connecting portion are in the second direction symmetry set up the both ends of second connecting portion, the second direction perpendicular to the length direction of first connecting portion, just the second direction with the length direction of first connecting portion is all parallel to first laminating face.

The beneficial effect of this technical scheme lies in: this makes two first connecting portions can connect in two mainboards respectively, and then makes same sealing member can produce certain sealed effect to the clearance between two mainboards and the core.

Optionally, an opening is formed on the second connection portion to reduce rigidity of the second connection portion.

The beneficial effect of this technical scheme lies in: therefore, when the sealing element is installed, the sealing element can generate certain deformation according to the installation space, the sealing element can enter the space for installing the sealing element, the sealing element can adapt to the installation position through deformation, and the case difficulty of the sealing element is reduced.

Optionally, a through hole is formed on the second connection part, and the through hole is penetrated by a pipeline connected to the core body.

The beneficial effect of this technical scheme lies in: the core is generally connected with a pipeline for medium to enter the core, and the sealing element can be installed on the side of the core, on which the pipeline is installed, through the through hole, so that the problem of air leakage of the heat exchanger is further relieved.

Optionally, the second connecting portion has a first bonding surface for bonding with the core, and the inserting portion has a second bonding surface for bonding with the core, and the second bonding surface is in the same plane with the first bonding surface.

The beneficial effect of this technical scheme lies in: this makes the sealing member closely adhere to the core, makes it difficult for the air flow to leave from between the insertion portion and the main body, and then improves the effect of the sealing member blocking the air flow.

Optionally, the insert has an arcuate engagement surface for engaging the transition fillet.

The beneficial effect of this technical scheme lies in: this makes the arc faying face more suitable with the transition fillet, and the laminating is inseparabler, reduces the possibility that the air current left from between mainboard and the insert.

Optionally, the insertion portion is connected to at least one of both ends of the main body in a first direction, the first direction being a length direction of the main body.

The beneficial effect of this technical scheme lies in: when the transition fillet of mainboard, core and the main part form the air current circulation passageway, block up the both ends of this passageway through the insertion portion, just can produce certain shutoff to the air current in this passageway.

Optionally, at least one of the two ends of the main body in the first direction forms a bending part, the bending part bends towards the third direction, the second connecting part has a first attaching surface for attaching to the core, and the third direction is perpendicular to the first attaching surface.

The beneficial effect of this technical scheme lies in: the bending part provided by the embodiment of the application is suitable for the round angle on the square frame, so that the bending part covers the round angle, and the possible air leakage of the heat exchanger at the round angle is blocked, thereby relieving the problem of air leakage of the heat exchanger at the joint of the main board and the core body.

Optionally, the insertion portion is formed at the bending portion.

The beneficial effect of this technical scheme lies in: the inserting part is arranged at the bending part, so that gas possibly flowing out of the arc-shaped airflow channel can be blocked, and the problem of air leakage of the heat exchanger at the joint of the main board and the core body is solved.

Optionally, the core includes a plurality of chips, and the sealing member is configured to be mounted on at least one side of the core in a stacking direction of the chips.

The beneficial effect of this technical scheme lies in: thus, if the sealing member is mounted on only one side of the core in the stacking direction of the chips, the side of the core on which the sealing member is mounted can be positioned above at the time of soldering, and even if a gas leakage gap is formed between the main board and the core after the soldering is completed, the problem of gas leakage can be at least alleviated by the sealing member; when the sealing members are arranged on two sides of the core body in the stacking direction of the chips, any one of the two sides can be positioned above the core body when soldering is performed, and the problem of air leakage can be relieved at least through the sealing members.

Optionally, the sealing element is an integrally formed square frame, and the square frame is used for being sleeved on the core body.

The beneficial effect of this technical scheme lies in: when the sealing element is a square frame and is sleeved on the core body, the main body can basically cover the complete connecting seam between the corresponding main board and the core body, so that air leakage occurs at any position between the main board and the core body, and the air leakage problem can be basically relieved in a proper amount; in addition, even if an air flow channel is formed among the transition fillet of the main board, the core body and the sealing member, the channel is a closed channel extending along the periphery of the core body, and air flow is difficult to flow out of the channel, so that the invariance and the cost caused by sealing the air flow channel by specially adopting the insertion part are avoided.

Another aspect of the present application provides a sealing assembly, including a U-shaped frame and the sealing member described above, where the U-shaped frame has a third connecting portion and a fourth connecting portion that are connected to each other, the third connecting portion is used to connect to the main board, the fourth connecting portion is used to connect to the core, and the U-shaped frame is connected to the sealing member to form a square frame that is used to be sleeved on the core, and the square frame is used to be sleeved on the core and covers the connecting seam.

Optionally, the second connecting portion has a first attaching surface for attaching to the core, the main body includes two first connecting portions, and the two first connecting portions are symmetrically disposed at two ends of the second connecting portion in the second direction;

the U-shaped frame comprises two third connecting parts which are symmetrically arranged at two ends of the fourth connecting part in the second direction;

The second direction is perpendicular to the length direction of the first connecting portion, and the second direction and the length direction of the first connecting portion are parallel to the first attaching surface.

The beneficial effect of this technical scheme lies in: in the embodiment of the application, the sealing element is provided with two first connecting parts, and the U-shaped frame is provided with two third connecting parts, so that the connecting joint formed between the two main boards and the core body can be basically covered by adopting one sealing component, and compared with the connecting joint formed between each main board and the core body, the sealing component is independently arranged, so that the number of parts is reduced, the mounting steps are further reduced, the assembly efficiency is improved, and the sealing element is easier to store and is not easy to lose.

Optionally, the main body includes two fifth connection parts, two ends of the second connection part are connected with the fifth connection parts in the length direction of the first connection part, one end of the fifth connection part is connected with one of the two first connection parts in the second direction, and the other end of the fifth connection part is connected with the other of the two first connection parts;

The fourth connecting part is connected with the fifth connecting part, and the fourth connecting part covers a connecting seam between the second connecting part and the core body.

The beneficial effect of this technical scheme lies in: further alleviating the problem of air leakage from between the motherboard and the core.

Optionally, the first connecting portion perpendicularly intersects the fifth connecting portion and forms a first right angle portion;

And a second right-angle part is formed at the joint of the third connecting part and the fourth connecting part, and is positioned at the overlapping part of the fourth connecting part and the fifth connecting part, so that the first right-angle part is in sealing connection with the second right-angle part, and the first right-angle part and the second right-angle part are both in sealing connection with the main board.

The beneficial effect of this technical scheme lies in: the gap formed between the first round corner, the second round corner and the main board can be basically filled by the first right-angle part and the second right-angle part, so that air flow is difficult to flow out of the gap, and the problem of air leakage between the main board and the core body is further relieved.

Optionally, the fifth connecting part and the fourth connecting part are matched with each other in a positioning way through a positioning pin and a positioning hole.

The beneficial effect of this technical scheme lies in: the connecting precision between the sealing element and the U-shaped frame is improved, the sealing performance is guaranteed to be good, and the problem of air leakage between the main board and the core body is further relieved.

Optionally, the positioning pin extends in the length direction of the first connecting portion, the size of the positioning hole in the third direction is larger than the diameter size of the cross section of the positioning pin, the second connecting portion is provided with a first attaching surface for attaching to the core, and the third direction is perpendicular to the first attaching surface.

A third aspect of the present application provides a sealing assembly comprising a housing of the core and the sealing member described above, the housing having a sealing portion formed thereon for sealing a gap formed between the main body, the housing and the main board.

Optionally, the sealing portion has an arcuate surface for engaging with a transition fillet of the motherboard.

The beneficial effect of this technical scheme lies in: this makes sealing portion can pass through arcwall face and transition fillet adaptation, reduces the possibility that the air current was revealed between sealing portion and the mainboard, further alleviates the problem of gas leakage between mainboard and the core.

Optionally, a receiving portion is formed on the main body, and the receiving portion is clamped or inserted with the sealing portion.

The beneficial effect of this technical scheme lies in: the sealing part is clamped or spliced with the accommodating part, so that the sealing part and the main body are partially overlapped, and the air flow is difficult to leave between the sealing part and the main body; meanwhile, the accommodating part is clamped or inserted with the sealing part, so that the positioning function is realized on the position relationship between the shell and the main board, and the positioning function is realized on the position relationship among the shell, the sealing piece and the main board.

Optionally, the sealing part is formed on at least one of two sides of the housing in a first direction, and a bending part is formed on at least one end of the main body in the first direction, and the accommodating part is formed at the bending part, and the first direction is a length direction of the main body.

A fourth aspect of the application provides a heat exchanger comprising a seal as described above; or the heat exchanger includes the seal assembly described above.

The technical scheme provided by the application can achieve the following beneficial effects:

According to the sealing element, the sealing assembly and the heat exchanger, the sealing element is connected with the core body and the main board of the heat exchanger and covers at least part of the connecting joint, when a gap appears at the connecting joint where the part is covered by the sealing element and air leakage occurs at the gap, the sealing element can block the leaked air flow to a certain extent, and therefore the problem of air leakage at the gap is relieved.

Additional features and advantages of the application will be set forth in the description which follows, or may be learned by practice of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are used in the description of the embodiments will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are of some embodiments of the application and that other drawings may be derived from these drawings without undue effort.

FIG. 1 is a schematic view of an angular perspective of one embodiment of a seal provided by an embodiment of the present application;

FIG. 2 is a schematic view of another perspective of one embodiment of a seal provided by an embodiment of the present application;

FIG. 3 is an enlarged partial schematic view of FIG. 2A;

FIG. 4 is a schematic view of a partial perspective view of one embodiment of a heat exchanger according to an embodiment of the present application;

FIG. 5 is a schematic view of a partial top view of one embodiment of a heat exchanger according to an embodiment of the present application;

FIG. 6 is a schematic view of a portion of the structure of the section B-B in FIG. 5;

FIG. 7 is a schematic diagram of a partial side view of one implementation of a heat exchanger provided in accordance with an embodiment of the present application;

FIG. 8 is a schematic view of a portion of the structure of the section C-C of FIG. 7;

FIG. 9 is a schematic partial perspective view of one embodiment of a heat exchanger according to an embodiment of the present application;

FIG. 10 is a schematic view of a partial perspective view of one embodiment of a heat exchanger provided in accordance with an embodiment of the present application;

FIG. 11 is a schematic perspective view of one implementation of a seal assembly provided by an embodiment of the present application;

FIG. 12 is a partially enlarged schematic illustration of FIG. 11 at D;

FIG. 13 is a schematic perspective view of one embodiment of a seal provided by an embodiment of the present application;

FIG. 14 is a schematic perspective view of an embodiment of a U-shaped frame according to an embodiment of the present application;

FIG. 15 is a schematic view of a partial perspective view of one embodiment of a heat exchanger provided in accordance with an embodiment of the present application;

FIG. 16 is a schematic view of a partial perspective view of one embodiment of a heat exchanger provided in accordance with an embodiment of the present application;

FIG. 17 is a schematic perspective view of one implementation of a seal assembly provided by an embodiment of the present application;

FIG. 18 is a schematic view of an angular perspective of one embodiment of a seal provided by an embodiment of the present application;

FIG. 19 is another angular perspective view of one embodiment of a seal provided by an embodiment of the present application;

FIG. 20 is a schematic perspective view of an embodiment of a housing according to an embodiment of the present application;

FIG. 21 is an enlarged partial schematic view of FIG. 20E;

FIG. 22 is a schematic partial perspective view of one embodiment of a heat exchanger according to an embodiment of the present application;

Fig. 23 is a schematic partial perspective view of an embodiment of a heat exchanger according to an embodiment of the present application.

Reference numerals:

100-core;

110-a housing;

111-sealing part;

111 a-arcuate surfaces;

200-a main board;

210-fillets;

220-transition fillets;

300-seals;

310-a first connection;

320-a second connection;

321-opening;

322-a first bonding surface;

330-a bend;

331-a housing;

340-an insertion portion;

350-a fifth connection;

351-locating pins;

360-first right-angle section;

400-U-shaped frame;

410-a third connection;

420-fourth connection;

421-locating holes;

430-a second right angle section;

500-connecting joints;

600-gap.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 23, an aspect of the present application provides a sealing member 300 for a heat exchanger having a core 100 and a main plate 200, the main plate 200 being fitted over the core 100 and forming a connection joint 500 between the core 100 and the main plate 200, the sealing member 300 including a main body including a first connection part 310 and a second connection part 320 connected to each other, the first connection part 310 being for connecting the main plate 200, the second connection part 320 being for connecting the core 100 such that the main body covers at least part of the connection joint 500.

In the sealing member 300 provided in the embodiment of the present application, the connection seam 500 between the main board 200 and the core 100 is formed by a gap between the main board 200 and the core 100, which may be filled with solder after brazing, or may be filled with an adhesive substance when the main board 200 and the core 100 are bonded by an adhesive substance, or the gap is zero, so that the connection seam 500 is a straight line, and when an air-leaking gap is formed between the main board 200 and the core 100, the air-leaking gap is also one type of connection seam 500; in the embodiment of the present application, the sealing member 300 may be made of a material having a melting point higher than or equal to that of other components of the heat exchanger, for example, aluminum, copper, steel, or the like, or may be made of a material having a lower melting point, such as rubber or resin, and when the sealing member 300 is made of a material having a lower melting point, the sealing member 300 may be melted during the brazing process and flows into the connecting seam 500 and is integrally connected with the connecting seam 500; the sealing member 300 may have a strip-shaped structure, the cross section of the sealing member may be wedge-shaped, and the cross section of the sealing member 300 may have an L-shaped or V-shaped structure; when the heat exchanger adopting the sealing member 300 provided by the embodiment of the application is provided with the chamber body, the sealing member 300 can be arranged on one side of the main board 200 away from the chamber body, and the chamber body is arranged on the main board 200; of course, the sealing member 300 may be mounted on the side of the main board 200 facing the chamber body.

The sealing member 300 provided by the embodiment of the application is connected with the core 100 and the main board 200 of the heat exchanger and covers at least part of the connecting seam 500, when a gap appears at the connecting seam 500 where the part is covered by the sealing member 300 and air leakage occurs at the gap, the sealing member 300 can generate a certain barrier to the leaked air flow, thereby alleviating the problem of air leakage at the gap.

As shown in fig. 2, 3 and 8, alternatively, the main plate 200 has a transition fillet 220, the transition fillet 220 is located on the main plate 200 near the core 100, and the sealing member 300 includes an insertion portion 340, and the insertion portion 340 is configured to be inserted into a gap 600 formed between the transition fillet 220 and the core 100. In the process of forming the main board 200, due to the limitation of the sheet metal bending process, the transition fillet 220 is inevitably formed at the bending position of the main board 200, when the sealing member 300 covers the connecting seam 500, air flow may flow out along the gap 600 between the transition fillet 220 and the core 100, so that the sealing between the main board 200 and the core 100 cannot achieve a more ideal effect. In the embodiment of the present application, the insertion portion 340 may be a portion independent of the main body, and the insertion portion 340 may be connected to the main body, may not be connected to the main body, but only contacts the main body, or does not contact the main body, so that a dual barrier to the air flow is formed by the insertion portion 340 and the main body; the main body of the present application may be the insertion portion 340, and the first connection portion 310 and the second connection portion 320 may be part of the insertion portion 340, for example, the first connection portion 310 may be one surface of the insertion portion 340, and the second connection portion 320 may be the other surface of the insertion portion 340.

Optionally, the insert 340 is connected to the body. The connection of the insert 340 to the main body allows the seal 300 to have better integrity than the case where the insert 340 is only in contact with the main body without connection or both, avoiding the outflow of air flow from a gap that may exist between the insert 340 and the main body, and the seal 300 can be integrally removed when the seal 300 is attached and detached, thereby improving the assembly efficiency of the heat exchanger.

Alternatively, one end of the insertion part 340 is a connection end connected to the main body, and the other end of the insertion part 340 is a free end;

the first direction is the length direction of the main body.

In the embodiment of the present application, the main board 200 has a square frame structure, and the length direction of the main body is the direction along which the main body extends along one side of the square frame structure.

Alternatively, the projection of the insert 340 into the cross-section of the seal 300 is wedge-shaped, tapering from the connecting end to the free end. A triangular or wedge-like gap is formed between the transition fillet 220 of the main board 200 and the core 100, and the projection of the insertion portion 340 in the cross section of the sealing member 300 is wedge-shaped, so that the insertion portion 340 can be adapted to the gap between the transition fillet 220 and the core 100, thereby achieving a better plugging effect.

Optionally, the insertion portion 340 is connected to the junction of the first connecting portion 310 and the second connecting portion 320.

Specifically, in the embodiment of the present application, the first connection portion 310, the second connection portion 320 and the insertion portion 340 may form three extremities protruding in different directions in the cross section of the sealing member 300.

The core 100 generally has two main boards 200, in order to use one sealing member 300 to generate a certain sealing effect on the gap 600 between the two main boards 200 and the core 100, optionally, the second connecting portion 320 has a first bonding surface 322 for bonding with the core 100, the main body includes two first connecting portions 310, the two first connecting portions 310 are symmetrically disposed at two ends of the second connecting portion 320 in a second direction, the second direction is perpendicular to the length direction of the first connecting portion 310, and the length directions of the second direction and the first connecting portion 310 are parallel to the first bonding surface 322. This allows the two first connection parts 310 to be connected to the two main boards 200, respectively, and thus allows the same sealing member 300 to have a certain sealing effect on the gap between the two main boards 200 and the core 100.

Further, when the sealing member 300 is installed, in order to enable the same sealing member 300 to generate a certain sealing effect on the gap between the two main boards 200 and the core 100, the second connecting portion 320 needs to be extended to the two main boards 200, which makes the second connecting portion 320 have a certain volume and rigidity, and is difficult to be deformed according to the situation during installation. In the embodiment of the present application, an opening 321 is optionally formed on the second connection part 320 to reduce the rigidity of the second connection part 320. In this way, when the sealing element 300 is installed, the sealing element 300 can be deformed to a certain extent according to the installation space, so that the sealing element 300 enters the space for installing the sealing element 300, the sealing element 300 can adapt to the installation position through deformation, and the case difficulty of the sealing element 300 is reduced.

Optionally, a through hole is formed on the second connection part 320, through which a pipe connected to the core 100 passes. The core 100 is generally connected with a pipe through which a medium enters the core 100, and the sealing member 300 can be attached to the side of the core 100 on which the pipe is attached through the through hole, so that the problem of air leakage of the heat exchanger can be further alleviated.

As shown in fig. 8, alternatively, the second connection portion 320 has a first fitting surface 322 for fitting with the core 100, and the insertion portion 340 has a second fitting surface for fitting with the core 100, the second fitting surface being in the same plane as the first fitting surface 322. This makes the sealing member 300 closely fitted to the core 100, making it difficult for air flow to be left from between the insertion portion 340 and the main body, thereby improving the effect of the sealing member 300 in blocking air flow.

Optionally, the insert 340 has an arcuate engagement surface for engaging the transition radius 220. This allows the arcuate engagement surface to more closely engage the transition fillet 220, reducing the likelihood of airflow from between the motherboard 200 and the insert 340.

Optionally, an insertion part 340 is connected to at least one of both ends of the body in a first direction, which is a length direction of the body. As shown in fig. 1, the insertion portions are connected to both ends of the main body in the first direction. When the air flow passage is formed between the transition rounded corner 220 of the main board 200, the core 100 and the main body, both ends or one end of the passage is blocked by the insertion portion 340, so that a certain blocking of the air flow flowing into the passage can be generated. Of course, the insertion portion 340 may be extended along the longitudinal direction of the main body so that the insertion portion 340 is filled in the entire passage, but only the insertion portion 340 blocks both ends of the passage, thereby saving more material and reducing manufacturing cost.

Optionally, a bending part 330 is formed at least one of two ends of the main body in the first direction, the bending part 330 is bent toward a third direction, the second connecting part 320 has a first attaching surface 322 for attaching to the core 100, and the third direction is perpendicular to the first attaching surface 322. When the main board 200 is manufactured, the four corners of the square frame of the main board 200 are located at right angles, but the four corners are difficult to avoid due to the limitation of the sheet metal bending process, and when the sealing member 300 is used to block the air leakage which may occur at one side of the square frame of the main board 200, if the sealing member 300 is a straight extension member only due to the blocking of the rounded corners 210, it is difficult to cover the rounded corners 210 at both ends of the side of the square frame, and thus it is difficult to block the air leakage which may occur from the rounded corners 210. The bending portion 330 provided by the embodiment of the present application is adapted to the round corner 210 on the square frame, so that the bending portion 330 covers the round corner 210, and the possible air leakage at the round corner 210 of the heat exchanger is blocked, thereby alleviating the problem of air leakage at the connection between the motherboard 200 and the core 100.

Alternatively, the insertion portion 340 is formed at the bending portion 330. When the main body covers one side of the square frame of the main board 200 and the rounded corners 210 at two ends of the side, an arc-shaped air flow channel is formed at the position of the rounded corner 210 of the square frame between the transition rounded corner 220 of the main board 200, the core 100 and the bending portion 330, and the insertion portion 340 is disposed at the bending portion 330 to block the air possibly flowing out from the arc-shaped air flow channel, thereby alleviating the problem of air leakage of the heat exchanger at the junction of the main board 200 and the core 100.

When the core 100 of the heat exchanger includes a plurality of chips, each chip is generally stacked in a vertical direction when the heat exchanger is brazed, and when the core 100 has a case, solder is also added between the case and the chips in the stacking direction of the chips, and during the brazing, as the solder melts, distances between adjacent chips and between the chips and the case gradually decrease, thereby resulting in a reduction in the height of the core 100, but since the size of the main board 200 is generally unchanged, when the welding process is finished, a gap may be generated between the core 100 and a portion of the main board 200 above the core 100 due to the reduction in the height of the core 100. While in the embodiment of the present application, the core 100 may alternatively include a plurality of chips, the sealing member 300 is for mounting at least on one side of the core 100 in the stacking direction of the chips. In this way, if the sealing member 300 is mounted on only one side of the core 100 in the stacking direction of the chips, the side of the core 100 on which the sealing member 300 is mounted can be positioned above at the time of soldering, and even if a gas leakage gap is formed between the main board 200 and the core 100 after the soldering is completed, at least the problem of gas leakage can be alleviated by the sealing member 300; when the sealing member 300 is mounted on both sides of the core 100 in the stacking direction of the chips, any one of the both sides may be located above during soldering, and the problem of air leakage may be at least alleviated by the sealing member 300.

Alternatively, the seal 300 is an integrally formed square frame for fitting over the core 100. When the sealing element 300 is a square frame and is sleeved on the core body 100, the main body can basically cover the complete connecting seam 500 between the corresponding main board 200 and the core body 100, so that air leakage occurs at any position between the main board 200 and the core body 100, and the air leakage problem can be basically relieved in a proper amount; in addition, even if an air flow path is formed between the transition rounded corner 220 of the main board 200, the core 100, and the sealing member 300, the path is a closed path extending along the periphery of the core 100, and the air flow is difficult to flow out of the path, thereby avoiding the invariance and cost of sealing the air flow path by exclusively using the insertion portion 340.

As shown in fig. 11 to 16, another aspect of the present application provides a sealing assembly including a U-shaped frame 400 and a sealing member 300 provided in an embodiment of the present application, the U-shaped frame 400 having a third connection portion 410 and a fourth connection portion 420 connected to each other, the third connection portion 410 being used to connect the main board 200, the fourth connection portion 420 being used to connect the core 100, the U-shaped frame 400 being connected to the sealing member 300 to form a square frame for being fitted over the core 100, the square frame being used to be fitted over the core 100 and covering the connection joint 500.

The sealing component provided by the embodiment of the application adopts the sealing piece 300 provided by the embodiment of the application, and the square frames which are assembled on the core body 100 are formed by connecting the U-shaped frames 400, so that the complete welding joint between the corresponding main board 200 and the core body 100 can be basically covered, and the air leakage problem can be basically relieved in a proper amount at any position between the main board 200 and the core body 100; moreover, if the sealing member 300 is integrally formed with the U-shaped frame 400, when the sealing member is installed on the side of the main board 200 facing away from the chamber body connected thereto, the sealing member must be first sleeved on the core 100 before the main board 200 is installed, so that the assembly process of the heat exchanger is limited, the sealing member comprises two independent components of the sealing member 300 and the U-shaped frame 400, and when the sealing member is assembled, the sealing member 300 and the U-shaped frame 400 can be installed respectively, so that the sealing member does not need to be installed before the main board 200 is installed again, the assembly process of the heat exchanger is more flexible, and the assembly sequence of the sealing member can be properly adjusted according to circumstances; moreover, since the sealing assembly includes two independent components of the sealing member 300 and the U-shaped frame 400, the relative positions of the sealing member 300 and the U-shaped frame 400, or the relative positions of the U-shaped frame 400 and the core 100 and the main board 200, and the relative positions of the sealing member 300 and the core 100 and the main board 200 can be adjusted independently, and the positions of the sealing member 300 and the U-shaped frame 400 can be selected according to the requirement, so that the effect of sealing the leakage air flow between the main board 200 and the core 100 by the sealing assembly can be optimized as much as possible.

Optionally, the second connecting portion 320 has a first attaching surface 322 for attaching to the core 100, and the main body includes two first connecting portions 310, and the two first connecting portions 310 are symmetrically disposed at two ends of the second connecting portion 320 in the second direction;

the U-shaped frame 400 includes two third connection parts 410, and the two third connection parts 410 are symmetrically disposed at both ends of the fourth connection part 420 in the second direction;

the second direction is perpendicular to the length direction of the first connecting portion 310, and both the second direction and the length direction of the first connecting portion 310 are parallel to the first attaching surface 322.

The heat exchanger with the main boards 200 generally has two main boards 200, and a connecting seam 500 is formed between the two main boards 200 and the core 100, in the embodiment of the application, the sealing member 300 has two first connecting portions 310, and the u-shaped frame 400 has two third connecting portions 410, so that one sealing assembly can be used to basically cover the connecting seam 500 formed between the two main boards 200 and the core 100, and compared with the connecting seam 500 formed between each main board 200 and the core 100, one sealing assembly is separately arranged, the number of components is reduced, and thus the installation steps are reduced, the assembly efficiency is improved, and the heat exchanger is easier to store and is not easy to lose.

Alternatively, the main body includes two fifth connection parts, the fifth connection parts 350 are connected to both ends of the second connection part 320 in the length direction of the first connection part 310, one end of the fifth connection part 350 is connected to one of the two first connection parts 310 in the second direction, and the other end of the fifth connection part 350 is connected to the other of the two first connection parts 310;

The fourth connection part 420 is connected with the fifth connection part 350, and the fourth connection part 420 covers the connection seam between the second connection part 320 and the core 100.

In the embodiment of the present application, the connection seam between the second connection portion 320 and the core 100 may take the form of the connection seam 500 between the main board 200 and the core 100. In the production of the sealing member 300 and the U-shaped frame 400, due to the limitation of the sheet metal bending process, a transition fillet is inevitably formed at the junction of the first connecting portion 310 and the second connecting portion 320, the junction of the third connecting portion 410 and the fourth connecting portion 420, and the junction of the fifth connecting portion 350 and the second connecting portion 320, when the fourth connecting portion 420 is connected to the fifth connecting portion 350, an air flow channel is formed at the gap between the transition fillet of the fifth connecting portion 350 and the fifth connecting portion 350, so that the fourth connecting portion 420 covers the connecting seam 500 between the second connecting portion 320 and the core 100, and the fourth connecting portion 420 extends from one main board 200 to the other main board 200 in the second direction, and accordingly, the air flow channel is also substantially formed from one main board 200 to the other main board 200 at the gap between the transition fillet of the fifth connecting portion 350, and the leakage air flow in the air flow channel is blocked by the main board 200 in the flowing direction of the leakage air flow, and thus the leakage air flow is blocked to some extent, and the leakage air flow is relieved from the main board 200 to the core 100.

As shown in fig. 12, alternatively, the first connecting portion 310 perpendicularly intersects the fifth connecting portion 350 and forms a first right angle portion 360;

A second right-angle portion 430 is formed at the junction of the third connecting portion 410 and the fourth connecting portion 420, the second right-angle portion 430 is located at the overlapping portion of the fourth connecting portion 420 and the fifth connecting portion 350, so that the first right-angle portion 360 and the second right-angle portion 430 are in sealing connection, and the first right-angle portion 360 and the second right-angle portion 430 are both used for sealing connection with the motherboard 200.

Because of limitations of the sheet metal bending process, after the sealing member 300 and the U-shaped frame 400 are formed, a transition fillet should generally be formed between the first connecting portion 310 and the fifth connecting portion 350, and between the third connecting portion 410 and the fourth connecting portion 420, and if a first fillet is formed between the first connecting portion 310 and the fifth connecting portion 350, and a second fillet is formed between the third connecting portion 410 and the fourth connecting portion 420, when the fourth connecting portion 420 is connected with the fifth connecting portion 350, the first fillet and the second fillet intersect at a position where the first fillet and the second fillet cannot be bonded, and a gap is generated between the first fillet, the second fillet and the main board 200, and an air flow leaking between the main board 200 and the core 100 flows out from the gap. The first right-angle portion 360 and the second right-angle portion 430 can substantially fill the gap formed between the first rounded corner, the second rounded corner and the main board 200, so that the air flow is difficult to flow out of the gap, and the problem of air leakage between the main board 200 and the core 100 is further alleviated.

As shown in fig. 13 and 14, optionally, the fifth connecting portion 350 and the fourth connecting portion 420 are engaged with each other by a positioning pin 351 and a positioning hole 421. When the sealing assembly is assembled, the relative positions of the sealing element 300 and the U-shaped frame 400 are positioned through the matching between the positioning pins 351 and the positioning holes 421, so that the positions of the sealing element 300 and the U-shaped frame 400 in the welding process are relatively stable, the connection precision between the sealing element 300 and the U-shaped frame 400 is improved, the sealing performance is guaranteed to be good, and the problem of air leakage between the main board 200 and the core body 100 is further relieved.

Alternatively, the positioning pin 351 extends in the length direction of the first connection portion 310, the positioning hole 421 has a size in a third direction larger than a diameter size of a cross section of the positioning pin 351, and the second connection portion 320 has a first fitting surface 322 for fitting with the core 100, the third direction being perpendicular to the first fitting surface 322. The size of the positioning hole 421 is larger than the cross section of the positioning pin 351, so that a proper space is reserved after the positioning hole 421 at the fifth connecting part 350 on one side is matched with the positioning pin 351, the positioning hole 421 at the fifth connecting part 350 on the other side is successfully matched with the positioning pin 351, the size of the positioning hole 421 in the third direction is larger than the diameter size of the cross section of the positioning pin 351, the sealing element 300 is placed above the core body 100 in the brazing process, the sealing element 300 is under the action of gravity, the relative position of the sealing element 300 and the U-shaped frame 400 in the vertical direction is limited by the core body 100, the sealing element 300 is not easy to move relative to the U-shaped frame 400 in the brazing process, the sealing element 300 and the U-shaped frame 400 can still have higher connecting precision, the good sealing performance is ensured, and the problem of air leakage between the main board 200 and the core body 100 is further relieved.

In an embodiment of the present application, a through hole through which the pipe passes may be formed on the fourth connection part 420.

As shown in fig. 17 to 23, the third aspect provides a sealing assembly including a case 110 of a core 100 and a sealing member 300 provided in an embodiment of the present application, a sealing portion 111 is formed on the case 110, and the sealing portion 111 is used to seal a gap formed between a main body, the case 110, and a main board 200.

In the process of molding the main board 200, due to the limitation of the sheet metal bending process, the transition fillet 220 is inevitably formed at the bending position of the main board 200, and when the sealing member 300 covers the connecting seam 500, air flow may flow out along the gap 600 between the transition fillet 220 and the core 100, so that the sealing between the main board 200 and the core 100 cannot achieve a more ideal effect.

According to the sealing assembly provided by the embodiment of the application, the sealing part 111 on the shell 110 is adopted, the sealing part 111 fills at least part of gaps formed among the main body, the shell 110 and the main board 200, and the cross section of the gaps is covered to block the flow of air flow entering the gaps, so that the problem of air leakage between the main board 200 and the core 100 is relieved.

In the embodiment of the present application, the sealing portion 111 may have a plate or block structure, or may have a hard or elastic structure.

Optionally, the sealing portion 111 has an arcuate surface 111a, the arcuate surface 111a being adapted to conform to the transition radius 220 of the main plate 200. This enables the seal 111 to be fitted with the transition fillet 220 through the arcuate surface 111a, reducing the likelihood of leakage of air flow from between the seal 111 and the motherboard 200, further alleviating the problem of air leakage between the motherboard 200 and the core 100.

Optionally, a receiving portion 331 is formed on the main body, and the receiving portion 331 is engaged with or plugged into the sealing portion 111. The sealing part 111 is clamped or inserted with the accommodating part 331, so that the sealing part 111 and the main body are partially overlapped, and the air flow is difficult to leave between the sealing part 111 and the main body; meanwhile, the accommodating portion 331 is engaged with or plugged into the sealing portion 111, and also has a function of positioning the positional relationship between the housing 110 and the main board 200, and further has a function of positioning the positional relationship among the housing 110, the sealing member 300 and the main board 200.

Alternatively, the sealing part 111 is formed at least one of both sides of the case 110 in the first direction, and the bending part 330 is formed at least one end of the body in the first direction, and the receiving part 331 is formed at the bending part 330, the first direction being a length direction of the body. As can be seen from the above, the four corners are also difficult to avoid due to the limitation of the sheet metal bending process, and if the sealing member 300 is a straight extension member, it is difficult to cover the rounded corners 210 of the square frame. The bending portion 330 provided by the embodiment of the present application is adapted to the round corner 210 on the square frame, so that the bending portion 330 covers the round corner 210, and the possible air leakage at the round corner 210 of the heat exchanger is blocked, thereby alleviating the problem of air leakage at the connection between the motherboard 200 and the core 100.

A fourth aspect of the application provides a heat exchanger comprising a seal 300 provided by an embodiment of the application; or the heat exchanger includes a seal assembly provided by an embodiment of the present application. That is, in the embodiment of the present application, the heat exchanger may employ the sealing member 300, and the sealing member 300 is not applied to the sealing assembly provided in the embodiment of the present application; or the heat exchanger employs the seal assembly provided by the embodiments of the present application, and accordingly employs the seal 300 in the seal assembly.

The heat exchanger provided by the embodiment of the application adopts the sealing element 300 provided by the embodiment of the application, the sealing element 300 is connected with the core body 100 and the main board 200 of the heat exchanger and covers at least part of the connecting seam 500, when a gap appears at the connecting seam 500 where the part is covered by the sealing element 300, and when air leakage occurs at the gap, the sealing element 300 can generate a certain barrier to the leaked air flow, thereby relieving the problem of air leakage at the gap.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

Claims

1. The sealing member is used for a heat exchanger, the heat exchanger is provided with a core body and a main board, the main board is sleeved on the core body, and a connecting seam is formed between the core body and the main board, and the sealing member is characterized by comprising a main body, wherein the main body comprises a first connecting part and a second connecting part which are mutually connected, the first connecting part is used for connecting the main board, and the second connecting part is used for connecting the core body, so that the main body covers at least part of the connecting seam;

the main plate is provided with a transition fillet, the transition fillet is positioned at a position of the main plate close to the core body, the sealing piece comprises an insertion part, and the insertion part is used for inserting a gap formed between the transition fillet and the core body;

The insertion portion is connected to the main body;

The second connecting part is provided with a first bonding surface for bonding with the core body, the inserting part is provided with a second bonding surface for bonding with the core body, and the second bonding surface and the first bonding surface are in the same plane;

the insertion portion has an arcuate engagement surface for engaging the transition fillet.

2. The seal of claim 1, wherein one end of the insert is a connecting end connected to the body and the other end of the insert is a free end;

the first direction is a length direction of the main body.

3. A seal according to claim 2, wherein the projection of the insert into the cross-section of the seal is wedge-shaped, tapering from the connecting end to the free end.

4. The seal of claim 1, wherein the insert is connected at the junction of the first and second connection portions.

5. The seal of claim 1, wherein the insert is connected to at least one of two ends of the body in a first direction, the first direction being a length direction of the body.

6. The seal of claim 1, wherein at least one of the two ends of the body in a first direction forms a bend, the bend bending toward a third direction, the first direction being a length direction of the body, the second connection having a first abutment surface for abutment with the core, the third direction being perpendicular to the first abutment surface.

7. The seal of claim 6, wherein the insert is formed in the bend.

8. The seal of claim 1, wherein the body includes two first connecting portions symmetrically disposed at both ends of the second connecting portion in a second direction perpendicular to a length direction of the first connecting portion, and the second direction and the length direction of the first connecting portion are both parallel to the first bonding surface.

9. The seal of claim 8, wherein an opening is formed in the second connection portion to reduce the rigidity of the second connection portion.

10. The seal of claim 8, wherein a through hole is formed in the second connection portion, the through hole being penetrated by a pipe connected to the core.

11. The seal according to any one of claims 1 to10, wherein the core includes a plurality of chips, the seal being for mounting on at least one side of the core in a stacking direction of the chips.

12. The seal of claim 1, wherein the seal is an integrally formed square frame for nesting on the core.

13. A sealing assembly comprising a U-shaped frame having a third connecting portion for connecting to the main plate and a fourth connecting portion for connecting to the core, and a sealing member according to any one of claims 1 to 11, the U-shaped frame being connected to the sealing member to form a square frame for fitting over the core, the square frame being for fitting over the core and covering the connecting seam.

14. The seal assembly of claim 13, wherein the second connecting portion has a first abutment surface for abutment with the core, the body including two of the first connecting portions symmetrically disposed at both ends of the second connecting portion in a second direction;

15. The seal assembly according to claim 14, wherein the main body includes two fifth connection portions to which both ends of the second connection portion are connected in a length direction of the first connection portion, one end of the fifth connection portion is connected to one of the two first connection portions in a second direction, and the other end of the fifth connection portion is connected to the other of the two first connection portions;

16. The seal assembly of claim 15, wherein the first connection perpendicularly intersects the fifth connection and forms a first right angle;

17. The seal assembly of claim 15 or 16, wherein the fifth connection portion is in locating engagement with the fourth connection portion via a locating pin and a locating hole.

18. The seal assembly of claim 17, wherein the dowel extends in a length direction of the first connection portion, the dowel hole has a dimension in a third direction that is greater than a diameter dimension of the dowel cross-section, and the second connection portion has a first engagement surface for engagement with the core, the third direction being perpendicular to the first engagement surface.

19. A sealing assembly, characterized by a housing comprising the core and a sealing member according to any one of claims 1 to 11, a sealing portion being formed on the housing for sealing a gap formed between the main body, the housing and the main board.

20. The seal assembly of claim 19, wherein the seal has an arcuate surface for conforming to a transition radius of the main plate.

21. The seal assembly of claim 19, wherein a receptacle is formed on the body that snaps or mates with the seal.

22. The seal assembly of claim 21, wherein the seal portion is formed on at least one of both sides of the housing in a first direction, and a bent portion is formed on at least one end of the main body in the first direction, the receiving portion being formed at the bent portion, the first direction being a length direction of the main body.

23. A heat exchanger comprising a seal as claimed in any one of claims 1 to 12; or the heat exchanger comprises a seal assembly according to any one of claims 13-22.