CN208579540U - Heat exchanger and heat exchanger assembly - Google Patents

Abstract

A kind of heat exchanger and heat exchanger assembly, the heat exchanger assembly includes heat exchanger and expansion valve, the heat exchanger includes top plate member, top plate member includes substrate, the first adapter tube, the second adapter tube, at least one connector, substrate has first boss portion, second boss portion, first adapter tube is fixed with first boss portion or the first adapter tube is structure as a whole with first boss portion, second adapter tube is fixed with second boss portion or the second adapter tube is structure as a whole with second boss portion, and connector is not directly connected with the first adapter tube or connector is not directly connected with the second adapter tube；One end of connector and directly fixed or connector the one end of substrate are structure as a whole with substrate, and the other end of connector is connect with expansion valve；Or expansion valve includes the first adapter tube and the second adapter tube, the first adapter tube and the second adapter tube are connect with heat exchanger, so that the integration degree of heat exchanger and heat exchanger assembly is higher.

Description

Heat exchanger and heat exchanger assembly

Technical field

The utility model relates to technical field of heat exchange, and in particular to heat exchanger and heat exchanger assembly.

Background technique

Electric car includes the vehicle as a source of power with battery such as pure electric vehicle or hybrid power, and battery therein is cooling Device includes heat exchanger and expansion valve, for example heat exchanger uses plate heat exchanger.Usually flow through expansion valve is refrigerant, is flowed through Heat exchanger is refrigerant and two kinds of liquid of coolant liquid.Refrigerant first passes through expansion valve, and gas-liquid two is in when coming out from expansion valve Phase state enters heat exchanger.Heat exchanger and expansion valve are all individual components, generally by piping connection, in piping connection point It is easy to appear leakage point, influences leakproofness.

Utility model content

It is designed to provide a kind of higher heat exchanger of integration degree and heat exchanger assembly.

To achieve the above object, a kind of heat exchanger, including top plate member, the top plate member are adopted the following technical scheme that Including substrate, the first adapter tube, the second adapter tube, at least one connector, the substrate has first boss portion, second boss portion, First adapter tube is fixed with the first boss portion or first adapter tube is structure as a whole with the first boss portion, institute State the second adapter tube fixed with the second boss portion or it is described second adapter tube be structure as a whole with the second boss portion, it is described Connector is not directly connected with first adapter tube or the connector is not directly connected with second adapter tube；The company Fitting and the substrate are directly fixed, and one end of the connector has pedestal, and the pedestal is fixed with the substrate, Huo Zhesuo Connector is stated to be structure as a whole with the substrate.

The top plate member of the heat exchanger includes substrate, the first adapter tube, the second adapter tube, at least one connector, makes to exchange heat Integration degree is higher when device is integrated with expansion valve.

A kind of heat exchanger assembly, including heat exchanger, expansion valve, the heat exchanger include top plate member, the top plate member Including substrate, the first adapter tube, the second adapter tube, at least one connector, the substrate has first boss portion, second boss portion, First adapter tube is fixed with the first boss portion or first adapter tube is structure as a whole with the first boss portion, institute State the second adapter tube fixed with the second boss portion or it is described second adapter tube be structure as a whole with the second boss portion, it is described Connector is not directly connected with first adapter tube or the connector is not directly connected with second adapter tube；The company One end of fitting and the substrate are directly fixed, and one end of the connector has pedestal, and the pedestal is fixed with the substrate, Or one end of the connector is structure as a whole with the substrate, the other end of the connector is connect with the expansion valve, The minimum range of the outer wall of the outer wall and connector of first adapter tube is greater than the outer wall of 1mm or second adapter tube It is greater than 1mm with the minimum range of the outer wall of the connector；

Or the expansion valve include first adapter tube and second adapter tube, it is described first adapter tube and it is described second adapter tube with it is described Heat exchanger connection.

The top plate member of the heat exchanger assembly includes substrate, the first adapter tube, the second adapter tube, at least one connector, is changed Hot device is connected to by first adapter tube, the second adapter tube with expansion valve, and heat exchanger is connect by connector with expansion valve, so that group Part is compact-sized, so that the integration degree of the heat exchanger and heat exchanger assembly is higher.

Detailed description of the invention

Fig. 1 is heat exchanger assembly Three-dimensional combination diagram；

Fig. 2 is the structural schematic diagram of the substrate one side of heat exchanger shown in Fig. 1；

Fig. 3 is the structural schematic diagram of the substrate another side of heat exchanger shown in Fig. 2；

Fig. 4 is the top plate member structural schematic diagram of heat exchanger shown in Fig. 1；

Fig. 5 is schematic cross-sectional view of the heat exchanger assembly shown in Fig. 1 along the face A-A；

Fig. 6 is schematic cross-sectional view of the heat exchanger shown in Fig. 4 along the face B-B；

Fig. 7 is schematic cross-sectional view of the heat exchanger shown in Fig. 4 along the face C-C；

Fig. 8 is schematic cross-sectional view of another embodiment substrate along the face C-C；

Fig. 9 is the perspective exploded view of heat exchanger assembly shown in Fig. 1；

Figure 10 is schematic cross-sectional view of the heat exchanger shown in Fig. 4 along the face D-D；

Figure 11 is second of embodiment heat exchanger assembly schematic cross-sectional view；

Figure 12 is second of embodiment heat exchanger assembly perspective exploded view；

Figure 13 is the structural schematic diagram of expansion valve shown in Figure 12.

Specific embodiment

Fig. 1 is please referred to, Fig. 1 is the schematic perspective view of heat exchanger assembly 100.In the present embodiment, heat exchanger assembly 100 include expansion valve 1 and heat exchanger 2, and expansion valve 1 and heat exchanger 2 connect, and expansion valve 1 includes valve body 11 and coil 12, valve body 11 Including the 9th mouthful 1111, the tenth mouthful 1121, third hole 113, described 9th mouthful 1111 and the described ten mouthful 1121 is through-hole, described 9th mouthful 1111 is refrigerant inlet, and the described ten mouthful 1121 is refrigerant outlet.Heat exchanger 2 includes core 21, top plate member 22, bottom plate 23, end plate 24, bottom plate 23 and end plate 24 are located at the two sides of the core 21, and the bottom plate 23 and the core 21 is fixed, and the top plate member 22 and the bottom plate 23 are fixed.

It please refers to shown in Fig. 2 to Fig. 5, the top plate member 22 includes substrate 221, and the substrate 221 is a thin plate, institute Stating substrate 221 includes the first side 2218 towards the bottom plate, the second side 2219 towards the expansion valve 1, the base Plate 221 has first boss portion 2215 and second boss portion 2216, the first boss portion 2215, the second boss portion 2216 It is to be formed by stamping substrate 221, the first boss portion 2215 and the second boss 2221 are formed in described second It side 2219 and is protruded from the second side 2219, guarantees the leakproofness in first boss portion and second boss portion and the substrate Energy.The substrate 221 further include be formed in the first side 2218, and it is recessed in the first side 2218 first recess Portion 2215 ', the second recessed portion 2216 ', first recessed portion 2215 ' correspond to the first boss portion 2215, described second Recessed portion 2216 ' corresponds to the second boss portion 2216.First recessed portion 2215 ' forms first-class with the bottom plate 23 Road 51, second recessed portion 2216 ' form second flow channel 52 with the bottom plate 23.The bottom plate 23 include the 7th mouthful 231 and 8th mouthful 232, described 7th mouthful 231 and described 8th mouthful 232 is through-hole, described 7th mouthful 231 and the first runner 51 Connection, described 8th mouthful 232 is connected to the second flow channel 52, the height and width of first recessed portion and the second recessed portion Degree, can according to fluid by when parameter and the reasonable punching press degree that can carry out of metal plate determined.The first boss portion 2215 have first 2211, and the second boss portion 2216 has second mouthful 2212, and the first boss portion 2215 includes the Five boss faces 2215 ", the second boss portion 2215 include the 6th boss face 2216 ".The first 2211 and described second Mouth 2212 is through-hole, and the first 2211 runs through the 5th boss face 2215 " and the first side 2218, described Run through the 6th boss face 2216 " and the first side 2218 for second mouthful 2212, makes the first 2211 and first recessed Concave portion 2215 ' is connected to, and described second mouthful 2212 is connected to the second recessed portion 2216 ', and first 2211 is refrigerant inlet, institute Second mouthful 2212 is stated as refrigerant outlet, can guarantee that refrigerant enters first runner from first, refrigerant is from second flow channel Second mouthful of outflow.The top plate member 22 further includes at least one connector 222, and the first boss portion 2215 includes third end Portion 2241 and the 4th end 2242, the third end 2241 compared to the 4th end 2242 closer to the connector 222, The second boss portion 2216 includes fifth end 2243 and the 6th end 2244, and the fifth end 2243 is compared to described 6th end 2244 is closer to the connector 222, it is of course possible to according to the actual situation, adjustment connector and first boss portion and The positional relationship in second boss portion.The first 2211 relative to the 4th end 2242 closer to the third end 2241, Described second mouthful 2212 relative to the 6th end 2244 closer to the fifth end 2243, can be arranged according to the actual situation First is in the position in first boss portion and second mouthful of position in second boss portion.

It please refers to shown in Fig. 2 to Fig. 6, the top plate member 22 includes the first adapter tube 31, the second adapter tube 32, and described first connects Pipe 31 includes the first protrusion 311, and second adapter tube 32 includes the first protrusion 422, and first protrusion 311 connects from described first The outer surface of pipe 31 is protruded, and first protrusion 422 is protruded from the outer surface of second adapter tube 32.First adapter tube 31 wraps The first pipe portion 31 ' and the second pipe portion 31 " are included, first pipe portion 31 ' and second pipe portion 31 " are located at first protrusion 311 two sides.Second adapter tube 32 includes third pipe portion 32 ' and the 4th pipe portion 32 ", the third pipe portion 32 ' and described the Four pipe portions 32 " are located at the two sides of first protrusion 422.First pipe portion 31 ' is at least partially disposed in the first 2211 Interior, the third pipe portion 32 ' is at least partially disposed in described second mouthful 2212.The lateral wall of first pipe portion 31 ' with it is described The inner sidewall of first 2211 offsets, and the lateral wall of the third pipe portion 32 ' offsets with second mouthful of 2212 inner sidewall, institute It states the first protrusion 311 and first protrusion 422 to offset with the substrate 221, first protrusion 311 and the 5th boss Face 2215 " offsets, and first protrusion 422 offsets with the 6th boss face 2216 ", first protrusion 311 and described One protrusion 422 offsets with the substrate 221, realizes first adapter tube and fixes with the first boss portion, described second connects Pipe is fixed with the second boss portion.First adapter tube and the first boss portion can of course be set according to actual needs It is structure as a whole, second adapter tube is structure as a whole with the second boss portion.

It please refers to shown in Fig. 4, first protrusion 311 has first boss face 311 ', and first protrusion 422 has the Two convex surfaces 321 ', the first boss face 311 ' and the second boss face 321 ' are towards 1 direction of expansion valve, and described first Adapter tube 31 is socketed the first sealing ring 61, and second adapter tube 32 is socketed the second sealing ring 62, and the expansion valve 1 includes the 5th mouthful 111 and the 6th mouthful 112, described 5th mouthful 111 and described 6th mouthful 112 be through-hole, second pipe portion 31 " is at least partially disposed at In described 5th mouthful 111, the 4th pipe portion 32 " is at least partially disposed in described 6th mouthful 112, first sealing ring 61 One end and one end of second sealing ring 62 offset with the expansion valve 1, the other end of first sealing ring 61 with it is described First boss face 311 ' offsets, and the other end of second sealing ring 62 offsets with second convex surface 321 ', and described first is close Seal 61 and second sealing ring 62 can be sealed setting to expansion valve and heat exchanger, prevent medium from leaking outside.

It please refers to shown in Fig. 3-8, one end of the connector 222 has pedestal 2221, and the connector 222 has pedestal 2221 one end is defined as first end 2222, and the connector 222 is defined as the second end far from one end of pedestal 2221 2223, the first end 2222 has connection side wall 2222 ', and the top side of the connection side wall 2222 ' from the substrate 221 is convex Setting is stretched, basic 221 top side deviates from 23 direction of bottom plate, which also has threaded connection hole 2224, the connection side wall 2222 ' is located at the radial side of the threaded connection hole 2224, which has Positioned at the connector 2224 ' of the first end free terminal 2222 ", connecting element can be connected through a screw thread hole and the company Fitting connection.The equivalent diameter of the first end 2222 is greater than the equivalent diameter of the second end 2223, the second end Portion 2223 has matrix part 2225, which at least has the first wall portion 22251, the second wall portion 22252 and third Wall portion 22253, first wall portion 22251, the second wall portion 22252 and third wall portion 22253 are connected to form position limiting structure, When guaranteeing that connecting element is connect with threaded hole, will not reverse because of connecting element rotates connector.The substrate 221 includes limit Position recess portion 2211, the inside of limit recess portion 2211 from the substrate 221 are recessed inwardly setting, the inside direction of the substrate 221 23 direction of bottom plate, described matrix portion 2225 are located in the limit recess portion 2211, and the peripheral side of the matrix part 2225 with The inner sidewall of the limit recess portion 2211 abuts against, and the matrix part 2225 and the limit recess portion 2211 are limit setting, are made Connector with it is described substantially stationary.The substrate 221 includes mounting hole 2212, the first end 2222 and the mounting hole 2212 Inner sidewall mutually fix, can satisfy be threadedly coupled intensity while, the height of connector is further decreased, to reduce heat exchange The size of device assembly.The threaded connection hole 2213 and the limit recess portion of the substrate can of course according to actual needs, be set 2211 are not connected to, the substrate 221 include isolation part 2214, the isolation part 2214 be located at the threaded connection hole 2213 with it is described It limits between recess portion 2211；The first end 2222 is interference fitted with the mounting hole 2212, the second end 2223 It is placed in the limit recess portion 2211, is interference fit between the second end 2223 and substrate 221, equally can be realized connection Part and basic fixation.Certainly according to actual needs, the first end 2222 of the settable connector 222 and the second end The diameter in portion 2223 is same or similar, and the connector 4 is structure as a whole with the substrate 22.The connector and described the One adapter tube is not directly connected or the connector is not directly connected with second adapter tube, in present embodiment, the connection Part 222 is not directly connected with first adapter tube 31 and second adapter tube 32.The outer wall of first adapter tube and the connection The minimum range of the outer wall of part is greater than the minimum range of the outer wall of 1mm or second adapter tube and the outer wall of the connector Greater than 1mm, in present embodiment, the minimum range of the outer wall of the outer wall and connector 222 of first adapter tube 31 Greater than 1mm, the minimum range of the outer wall of the outer wall of second adapter tube 32 and the connector 222 is greater than 1mm.

It please refers to shown in Fig. 9-Figure 10, the heat exchanger 2 includes third adapter tube 33, the 4th adapter tube 34, the third adapter tube 33 include third protrusion 331, and the 4th adapter tube 34 includes the 4th protrusion 341, and the third protrusion 331 is taken over from the third 33 outer surface protrusion, the 4th protrusion 341 is protruded from the outer surface of the 4th adapter tube 34.The third adapter tube 33 wraps The 5th pipe portion 33 ' and the 6th pipe portion 33 " are included, the 5th pipe portion 33 ' and the 6th pipe portion 33 " are located at the third protrusion 331 two sides.4th adapter tube 34 includes the 7th pipe portion 34 ' and the 8th pipe portion 34 ", the 7th pipe portion 34 ' and described the Eight pipe portions 34 " are located at the two sides of the 4th protrusion 341.The substrate 221 has third mouth 2213 and the 4th mouthful 2214, institute It states the 5th pipe portion 33 ' to be at least partially disposed in the third mouth 2213, the 7th pipe portion 34 ' is at least partially disposed in the described 4th In mouth 2214.The inner sidewall of the lateral wall and the third mouth 2213 of 5th pipe portion 33 ' offsets, the 7th pipe portion 34 ' Lateral wall offset with the 4th mouthful 2214 of the inner sidewall, the third protrusion 331 and the 4th protrusion 341 and the base Plate 221 offsets, it can be achieved that third is taken over and the fixation of the 4th adapter tube and the substrate.It can of course be described according to actual needs Third adapter tube 33 is structure as a whole with the 4th adapter tube 34 with the substrate 221, at this point, the third adapter tube 33 with it is described 4th adapter tube 34 is connector, and the outer surface of the third adapter tube 33 is intersected with second side 2219, the 4th adapter tube 34 Intersect with the second side 2219 outer surface.

Please refer to shown in Figure 11-Figure 13, the expansion valve 1 ' include the first adapter tube 41 and the second adapter tube 42, described first Adapter tube 41 includes the first protrusion 412, and second adapter tube 42 includes the first protrusion 422, and first protrusion 412 is from described the The outer surface of one adapter tube 41 is protruded, and first protrusion 422 is protruded from the outer surface of second adapter tube 42.The expansion valve 1 ' including the 5th mouthful 111 and the 6th mouthful 112, described 5th mouthful 111 and described 6th mouthful 112 is through-hole, and the expansion valve 1 ' has The one side for having the 5th mouthful 111 and the 6th mouthful 112 is third side 114, the outer surface of first protrusion 412 and the third side Face 114 is intersected, and guarantees that first adapter tube, the second adapter tube are structure as a whole with the expansion valve.Outside second protrusion 323 Surface is intersected with the third side 114, and first adapter tube 41 has the first pipe nozzle 411, and second adapter tube 42 has Second pipe nozzle 421, first pipe nozzle 411 are connected to described 5th mouthful 111, second pipe nozzle 421 and described the Six mouthful of 112 connection.The first boss portion 2215 has first 2211, and the second boss portion 2216 has second mouthful 2212, first adapter tube 41 is at least partially disposed in the first 2211, and second adapter tube 42 is at least partially disposed in institute It states in second mouthful 2212.First protrusion 412 has first boss face 413, and second protrusion 323 has second boss Face 423, the first boss face 413 and the second boss face 423 are towards the 2 ' direction of heat exchanger, the heat exchanger assembly 100 include the first sealing ring 61 and the second sealing ring 62, first adapter tube 41 socket, first sealing ring 61, and described second Adapter tube 42 is socketed second sealing ring 62, and first adapter tube 41 is at least partially disposed in the first 2211, and described the Two adapter tubes 42 are at least partially disposed in described second mouthful 2212, one end of first sealing ring 61 and second sealing ring 62 One end offset with the top plate member 22, the other end of first sealing ring 61 offsets with the first boss face 413, The other end of second sealing ring 62 offsets with the second boss face 423, first sealing ring 61 and described second close Seal 62 can be sealed setting to expansion valve and heat exchanger, prevent medium from leaking outside.

The expansion valve 1 ' has at least one third hole, and in present embodiment, the expansion valve 1 ' sets that there are two thirds Hole 113.The connector 222 has threaded hole 2224, and the threaded hole 2224 is through the first end 2222 and described the Two ends 2224, of course, it is possible to which according to the actual situation, threaded hole only runs through the second end.Connecting element 7 runs through the third hole 113, it is at least partially disposed in threaded hole 2224, connect the heat exchanger 2 ' with the expansion valve 1 '.

It should be understood that above embodiments are merely to illustrate the utility model and not limit described by the utility model Technical solution, although this specification has been carried out detailed description to the utility model referring to the above embodiments, this Field it is to be appreciated by one skilled in the art that person of ordinary skill in the field still can modify to the utility model Or equivalent replacement, and the technical solution and its improvement of all spirit and scope for not departing from the utility model, it should all cover In the scope of the claims of the utility model.

Claims (16)

1. a kind of heat exchanger, including top plate member, the top plate member include substrate, the first adapter tube, the second adapter tube, at least one Connector, characterized in that the substrate has first boss portion, second boss portion, first adapter tube and the first boss Portion is fixed or first adapter tube is structure as a whole with the first boss portion, second adapter tube and the second boss portion Fixed or described second adapter tube is structure as a whole with the second boss portion, and the connector and first adapter tube be not direct Connection or the connector are not directly connected with second adapter tube；The connector and the substrate are directly fixed, described One end of connector has pedestal, and the pedestal is fixed with the substrate or the connector and the substrate are integrated knot Structure.

2. heat exchanger according to claim 1, which is characterized in that there is the connector one end of pedestal to be defined as first End, the connector are defined as the second end far from one end of pedestal, and the first end has connection side wall, the connecting side The top side of wall from the substrate protrudes out setting, which also has threaded connection hole, and the connection side wall is located at the spiral shell The radial side of line connecting hole, the threaded connection hole have the connector positioned at the first end free terminal.

3. heat exchanger according to claim 2, which is characterized in that the equivalent diameter of the first end is greater than described second The equivalent diameter of end, the second end have matrix part, which at least has the first wall portion, the second wall portion and the Three wall portions, first wall portion, the second wall portion and third wall portion are connected to form position limiting structure；The substrate includes that limit is recessed Portion, the limit recess portion are recessed inwardly setting from the inside of the substrate, and described matrix portion is located at the limit recess portion, and the matrix part Peripheral side and the inner sidewall of the limit recess portion abut against, and the matrix part and the limit recess portion are that limit is arranged.

4. heat exchanger according to claim 3, which is characterized in that the substrate includes mounting hole, the first end with The inner sidewall of the mounting hole is mutually fixed, or, the threaded connection hole of the substrate is not connected to the limit recess portion, the substrate packet Isolation part is included, which is located between the threaded connection hole and the limit recess portion；The first end and the installation Hole interference fit, the second end are partially disposed in the limit recess portion, are interference fit between the second end and substrate.

5. according to claim 1 to heat exchanger described in any claim in 4, which is characterized in that it is described first adapter tube include First protrusion, second adapter tube include the second protrusion, and the outer surface of first protrusion from first adapter tube is protruded, described The outer surface of second protrusion from second adapter tube is protruded, and first adapter tube includes the first pipe portion and the second pipe portion, and described the One pipe portion and second pipe portion are located at the two sides of first protrusion, and second adapter tube includes third pipe portion and the 4th pipe Portion, the third pipe portion and the 4th pipe portion are located at the two sides of second protrusion, and the first boss portion has first, The second boss portion has second mouthful, and first pipe portion is at least partially disposed in the first, and the third pipe portion is extremely Small part is placed in described second mouthful, and the inner sidewall of the lateral wall and the first of first pipe portion offsets, the third Pipe portion lateral wall offsets with second mouthful of inner sidewall, and first protrusion and second protrusion offset with the substrate, institute State the outer wall of the first adapter tube and the outer wall of the connector minimum range be greater than the outer wall of 1mm or second adapter tube with The minimum range of the outer wall of the connector is greater than 1mm.

6. according to claim 1 to heat exchanger described in any claim in 4, which is characterized in that the heat exchanger includes the Three adapter tubes, the 4th adapter tube, the third adapter tube includes third protrusion, and the 4th adapter tube includes the 4th protrusion, and the third is convex Portion is protruded from the outer surface that the third is taken over, and the outer surface of the 4th protrusion from the 4th adapter tube is protruded, the third Adapter tube includes the 5th pipe portion and the 6th pipe portion, and the 5th pipe portion and the 6th pipe portion are located at the two sides of the third protrusion, 4th adapter tube includes the 7th pipe portion and the 8th pipe portion, and the 7th pipe portion and the 8th pipe portion are located at the 4th protrusion Two sides, the substrate has third mouth and the 4th mouthful, and the 5th pipe portion is at least partially disposed in the third mouth, described the Seven pipe portions are at least partially disposed in described 4th mouthful, and the inner sidewall of the lateral wall and the third mouth of the 5th pipe portion offsets, The lateral wall of 7th pipe portion offsets with the 4th mouthful of the inner sidewall, the third protrusion and the 4th protrusion with it is described Substrate offsets.

7. heat exchanger according to claim 5, which is characterized in that the heat exchanger includes third adapter tube, the 4th adapter tube, institute Stating third adapter tube includes third protrusion, and the 4th adapter tube includes the 4th protrusion, what the third protrusion was taken over from the third The outer surface of outer surface protrusion, the 4th protrusion from the 4th adapter tube is protruded, third adapter tube include the 5th pipe portion and 6th pipe portion, the 5th pipe portion and the 6th pipe portion are located at the two sides of the third protrusion, and the 4th adapter tube includes the Seven pipe portions and the 8th pipe portion, the 7th pipe portion and the 8th pipe portion are located at the two sides of the 4th protrusion, the substrate tool There are third mouth and the 4th mouthful, the 5th pipe portion is at least partially disposed in the third mouth, and the 7th pipe portion is at least partly set In in described 4th mouthful, the inner sidewall of the lateral wall and the third mouth of the 5th pipe portion offsets, outside the 7th pipe portion Side wall offsets with the 4th mouthful of the inner sidewall, and the third protrusion and the 4th protrusion offset with the substrate.

8. a kind of heat exchanger assembly, including heat exchanger, expansion valve, the heat exchanger include top plate member, the top plate member packet Include substrate, the first adapter tube, the second adapter tube, at least one connector, characterized in that the substrate has first boss portion, second Boss portion, first adapter tube is fixed with the first boss portion or first adapter tube is integrated with the first boss portion Structure, it is described second adapter tube with the second boss portion fix or it is described second adapter tube with the second boss portion be integrated knot Structure, the connector is not directly connected with first adapter tube or the connector is not directly connected with second adapter tube； One end of the connector and the substrate are directly fixed, and one end of the connector has pedestal, the pedestal and the base Plate is fixed or one end of the connector is structure as a whole with the substrate, the other end of the connector and the expansion Valve connection, the minimum range of the outer wall of the outer wall and connector of first adapter tube are greater than 1mm or second adapter tube Outer wall and the connector outer wall minimum range be greater than 1mm；

Or the expansion valve includes the first adapter tube and the second adapter tube, first adapter tube and described second are taken over and the heat exchange Device connection.

9. heat exchanger assembly according to claim 8, which is characterized in that the heat exchanger connects including the first adapter tube, second Pipe, first adapter tube includes the first protrusion, and second adapter tube includes the second protrusion, and first protrusion connects from described first The outer surface of pipe is protruded, and the outer surface of second protrusion from second adapter tube is protruded, and first adapter tube includes the first pipe Portion and the second pipe portion, first pipe portion and second pipe portion are located at the two sides of first protrusion, the second adapter tube packet Including third pipe portion and the 4th pipe portion, the third pipe portion and the 4th pipe portion are located at the two sides of second protrusion, and described One boss portion has first, and the second boss portion has second mouthful, and first pipe portion is at least partially disposed in described first In mouthful, the third pipe portion is at least partially disposed in described second mouthful, lateral wall and the first of first pipe portion Inner sidewall offsets, and the lateral wall of the third pipe portion offsets with second mouthful of the inner sidewall, first protrusion and described Two protrusions offset with the substrate.

10. heat exchanger assembly according to claim 8, which is characterized in that the expansion valve includes the first adapter tube and second Adapter tube, first adapter tube includes the first protrusion, and second adapter tube includes the second protrusion, and first protrusion is from described first The outer surface of adapter tube is protruded, and the outer surface of second protrusion from second adapter tube is protruded, and the expansion valve includes the 5th mouthful And the 6th mouthful, described 5th mouthful and described 6th mouthful is through-hole, the expansion valve is the with the 5th mouthful and the 6th mouthful of one side Three sides, the outer surface of first protrusion are intersected with the third side, the outer surface of second protrusion and the third Side intersection, first adapter tube have the first pipe nozzle, and second adapter tube has the second pipe nozzle, first pipe nozzle It is connected to described 5th mouthful, second pipe nozzle is connected to described 6th mouthful, and the first boss portion has first, described Second boss portion has second mouthful, and first adapter tube is at least partially disposed in the first, second adapter tube at least portion It is placed in described second mouthful.

11. heat exchanger assembly according to claim 9, which is characterized in that first protrusion has first boss face, institute Stating the second protrusion has second boss face, the first boss face and the second boss facing towards the expansion valve direction, institute Stating heat-exchanging component includes the first sealing ring and the second sealing ring, and first adapter tube is socketed first sealing ring, and described second Adapter tube is socketed second sealing ring, and the expansion valve includes the 5th mouthful and the 6th mouthful, and second pipe portion is at least partially disposed at In described 5th mouthful, the 4th pipe portion is at least partially disposed in described 6th mouthful, one end of first sealing ring and described One end of second sealing ring offsets with the expansion valve, and the other end of first sealing ring offsets with the first boss face, The other end of second sealing ring offsets with the second boss face.

12. heat exchanger assembly according to claim 10, which is characterized in that first protrusion has first boss face, Second protrusion has second boss face, the first boss face and the second boss facing towards the heat exchanger orientation, The heat exchanger assembly includes the first sealing ring and the second sealing ring, and first adapter tube is socketed first sealing ring, described Second adapter tube is socketed second sealing ring, and first adapter tube is at least partially disposed in the first, second adapter tube It is at least partially disposed in described second mouthful, one end of one end of first sealing ring and second sealing ring and the top plate Component offsets, and the other end of first sealing ring offsets with the first boss face, the other end of second sealing ring with The second boss face offsets.

13. heat exchanger assembly described in any claim in 1 to 12 according to claim 1, which is characterized in that the connector One end with pedestal is defined as first end, and the connector is defined as the second end far from one end of pedestal, and described first End has connection side wall, and the top side of connection side wall from the substrate protrudes out setting, which also has threaded connection Hole, the connection side wall are located at the radial side of the threaded connection hole, which, which has, is located at the first end The connector of free terminal.

14. heat exchanger assembly according to claim 13, which is characterized in that the equivalent diameter of the first end is greater than institute The equivalent diameter of the second end is stated, the second end has matrix part, which at least has the first wall portion, the second wall portion And third wall portion, first wall portion, the second wall portion and third wall portion are connected to form position limiting structure；The substrate includes limit Position recess portion, the limit recess portion are recessed inwardly setting from the inside of the substrate, and described matrix portion is located at the limit recess portion, and the base The peripheral side in body portion and the inner sidewall of the limit recess portion abut against, and the matrix part and the limit recess portion are limit setting.

15. heat exchanger assembly according to claim 14, which is characterized in that the substrate includes mounting hole, and described first End and the inner sidewall of the mounting hole are mutually fixed, or, the threaded connection hole of the substrate is not connected to the limit recess portion, it is described Substrate includes isolation part, which is located between the threaded connection hole and the limit recess portion；The first end and institute Mounting hole interference fit is stated, the second end is partially disposed in the limit recess portion, is interference between the second end and substrate Cooperation.

16. heat exchanger assembly according to claim 15, which is characterized in that the heat exchanger includes third adapter tube, the 4th Adapter tube, third adapter tube include third protrusion, and the 4th adapter tube includes the 4th protrusion, and the third protrusion is from the third The outer surface of adapter tube is protruded, and the outer surface of the 4th protrusion from the 4th adapter tube is protruded, and the third adapter tube includes the 5th Pipe portion and the 6th pipe portion, the 5th pipe portion and the 6th pipe portion are located at the two sides of the third protrusion, the 4th adapter tube Including the 7th pipe portion and the 8th pipe portion, the 7th pipe portion and the 8th pipe portion are located at the two sides of the 4th protrusion, described Substrate has third mouth and the 4th mouthful, and the 5th pipe portion is at least partially disposed in the third mouth, and the 7th pipe portion is at least It is partially disposed in described 4th mouthful, the inner sidewall of the lateral wall and the third mouth of the 5th pipe portion offsets, the 7th pipe The lateral wall in portion offsets with the 4th mouthful of the inner sidewall, and the third protrusion and the 4th protrusion offset with the substrate.