Heat exchanger, ice container device and drinking equipment

Abstract

The heat exchanger comprises a heat exchange base body and a cover body, the cover body covers the heat exchange base body, a heat exchange flow channel is defined by the cover body and the heat exchange base body, and the heat exchange flow channel is provided with a first inlet and outlet and a second inlet and outlet in the surface of the heat exchanger. One of the first in-out port and the second in-out port is a heat exchange medium inlet, the other one is a heat exchange medium outlet, the heat exchange flow channel comprises a first confluence channel, a second confluence channel and a plurality of branch flow channels, the first confluence channel is communicated with the first in-out port, the second confluence channel is communicated with the second in-out port, and the branch flow channels are mutually independent; and two ends of each sub-runner are respectively communicated with the first confluence runner and the second confluence runner. According to the technical scheme, the heat exchange uniformity of the heat exchanger to a heat exchange object can be improved, and then the heat exchange effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a heat exchanger, an ice tank device and a drinking device. Background Art

[0002] The heat exchanger is used to perform heat exchange with a heat exchange object to increase or decrease the temperature. For example, the heat exchanger performs heat exchange with the hot end of a refrigeration component of an ice bladder device to decrease the temperature of the hot end of the refrigeration component.

[0003] However, in the related art, the heat exchange uniformity of the heat exchanger to the heat exchange object as a whole is poor, and there are some areas with poor heat exchange effect, resulting in poor heat exchange effect of the heat exchanger to the heat exchange object as a whole. Utility Model Content

[0004] The embodiments of the utility model provide a heat exchanger, an ice bladder device and a drinking device, which can improve the heat exchange uniformity of the heat exchanger to the heat exchange object, thereby improving the heat exchange effect.

[0005] In a first aspect, an embodiment of the utility model provides a heat exchanger, which includes a heat exchange base and a cover, wherein the cover is disposed on the heat exchange base and encloses the heat exchange base to form a heat exchange channel, wherein the heat exchange channel has a first inlet and a second inlet on the surface of the heat exchanger, wherein one of the first inlet and the second inlet is a heat exchange medium inlet, and the other is a heat exchange medium outlet; the heat exchange channel includes:

[0006] a first confluence channel, the first confluence channel being in communication with the first inlet and outlet;

[0007] a second confluence channel, the second confluence channel being in communication with the second inlet and outlet; and

[0008] A plurality of branch flow channels are independent of each other, and two ends of each branch flow channel are respectively connected to the first converging flow channel and the second converging flow channel.

[0009] In some embodiments, the connection position between the branch channel and the first confluence channel and the first inlet and outlet has a first flow length; the connection position between the branch channel and the second confluence channel and the second inlet and outlet has a second flow length; the branch channel itself has a third flow length; the sum of the first flow length, the second flow length and the third flow length is the total flow length of the heat exchange medium in the heat exchanger;

[0010] Among them, for different branch channels, the first flow length and the second flow length are different, and the total flow length is the same, or the difference in the total flow length corresponding to different branch channels is less than 20% of the total flow length.

[0011] In some embodiments, the heat exchange matrix comprises:

[0012] a substrate connected to the cover; and

[0013] A plurality of heat exchange fins are connected to the surface of the substrate facing the cover body at intervals, and the flow channel is formed between two adjacent heat exchange fins, and the plurality of heat exchange fins are arranged along a first direction;

[0014] Wherein, the first inlet and outlet and the second inlet and outlet are located on opposite sides of the whole formed by the plurality of heat exchange fins in the first direction.

[0015] In some embodiments, all of the heat exchange fins are located on the same side of the first busbar along a second direction, wherein the second direction is perpendicular to the first direction.

[0016] In some embodiments, the first inlet and outlet and the second inlet and outlet are located at opposite corners of a whole formed by all the heat exchange fins.

[0017] In some embodiments, the plurality of heat exchange fins include a first fin group and a second fin group, the first fin group includes a plurality of first fins and a first flow divider is formed between two adjacent first fins, the second fin group includes a plurality of second fins and a second flow divider is formed between two adjacent second fins, and the flow divider includes the first flow divider and the second flow divider;

[0018] The first fin group and the second fin group are respectively located on two sides of the first bus channel along a second direction, wherein the second direction is perpendicular to the first direction.

[0019] In some embodiments, the heat exchanger further comprises a plurality of diverter plates, each of the first fins and the second fin corresponding to it in the second direction is connected to each other through the diverter plate and forms an integral structure, a connecting channel is defined between two adjacent diverter plates, and the first confluence channel is connected to the corresponding first diverter channel and the second diverter channel through the connecting channel.

[0020] In some embodiments, the surface of the cover body facing the substrate is recessed to form a first groove;

[0021] The bottom wall of the first groove is recessed to form the first confluence channel, and a plurality of the heat exchange fins extend into the first groove to respectively form independent branch channels together with the bottom wall of the first groove.

[0022] In some embodiments, the bottom wall of the first groove is further recessed to form a second groove, the second groove is located outside the first groove, and the second groove constitutes at least a part of the second conduit.

[0023] In some embodiments, the plurality of first fins of the first fin group and the plurality of second fins of the second fin group are not connected to each other, and at least a portion of the first bus channel is formed between the first fin group and the second fin group.

[0024] In some embodiments, the first fin group and the second fin group are axially symmetrically distributed in the direction of a line connecting a center point of the first inlet and a center point of the second inlet and outlet.

[0025] In some embodiments, along the extension direction of the first confluence channel, a blocking wall is formed at one end of the first confluence channel away from the first inlet and outlet, and the blocking wall is used to allow the first confluence channel to communicate with the second confluence channel only through the branch channel; and / or,

[0026] Along the extension direction of the second confluence channel, a blocking wall is formed at one end of the second confluence channel away from the second inlet and outlet, and the blocking wall is used to allow the second confluence channel to communicate with the first confluence channel only through the branch channel.

[0027] In some embodiments, the second inlet and outlet include two and are arranged at intervals along the second direction, the second direction is perpendicular to the first direction, and the first inlet and outlet are located at the midpoint of the line connecting the two second inlet and outlet;

[0028] The first inlet and outlet are heat exchange medium inlets and the two second inlets and outlets are heat exchange medium outlets, or the first inlet and outlet are heat exchange medium outlets and the two second inlets and outlets are heat exchange medium inlets.

[0029] In some embodiments, the first inlet and outlet are arranged perpendicular to the bottom wall of the first conduit; and / or,

[0030] The second inlet and outlet are arranged perpendicularly to the bottom wall of the second confluence channel.

[0031] In some embodiments, the first inlet and outlet are heat exchange medium inlets, and the second inlet and outlet are heat exchange medium outlets;

[0032] Wherein, when the heat exchanger is installed vertically, the first inlet and outlet are located below the second inlet and outlet.

[0033] In some embodiments, a sealing groove is formed on the surface of the heat exchange substrate facing the cover body or on the surface of the cover body facing the heat exchange substrate, and the sealing groove surrounds the outer side of the heat exchange channel;

[0034] The heat exchanger further comprises a sealing ring, and the sealing ring is embedded in the sealing groove.

[0035] In some embodiments, the cover body is provided with a first connection hole, and the heat exchange base body is provided with a second connection hole;

[0036] The number of the first connection holes and the number of the second connection holes are both multiple, and the multiple first connection holes are arranged at intervals along the circumference of the cover body;

[0037] The heat exchanger further includes a plurality of fasteners, wherein one of the fasteners is sequentially inserted through one of the second connection holes and one of the first connection holes to fix the cover body and the heat exchange base body in connection.

[0038] In a second aspect, an embodiment of the utility model provides an ice bladder device, the ice bladder device comprising:

[0039] A heat exchanger as described above;

[0040] An ice gall shell, wherein the ice gall shell has a gall cavity;

[0041] A cooling member connected to the ice bladder shell and at least partially extending into the bladder cavity for exchanging heat with liquid in the bladder cavity; and

[0042] A refrigeration component, wherein the refrigeration component has a cold end and a hot end, and the cold end is thermally connected to the refrigeration conductive component;

[0043] Wherein, the heat exchange matrix is ​​thermally connected to the hot end, and is used to cool the hot end.

[0044] In a third aspect, an embodiment of the utility model provides a drinking device, the drinking device comprising:

[0045] An ice bladder device as described above; and

[0046] The casing is provided with a water outlet, the ice container device is accommodated in the casing, and the container cavity is communicated with the water outlet.

[0047] The heat exchanger, ice tank device and drinking equipment according to the embodiment of the utility model are independent of each other through multiple branch channels, and the two ends of each branch channel are respectively connected to the first confluence channel and the second confluence channel, so that the heat exchanger of the embodiment has at least the following technical effects:

[0048] The heat exchange medium can flow from the first confluence channel through multiple branch channels, and then flow from multiple branch channels to the second confluence channel, or can flow from the second confluence channel through multiple branch channels, and then flow from multiple branch channels to the first confluence channel. In this way, compared with the form of a serpentine flow channel in which the heat exchange flow channel is in the form of a serpentine flow channel, the heat exchange medium of this embodiment will directly flow to the first confluence channel or the second confluence channel when it flows to multiple branch channels, so that the heat exchange medium can exchange heat in a state with a large temperature difference when flowing in each branch channel, achieving a better heat exchange effect. In addition, the heat exchange effect of the heat exchange object targeted by the heat exchanger and the multiple regions corresponding to the multiple branch channels can be kept as consistent as possible, so that the heat exchange object can have a uniform heat exchange effect, avoiding the occurrence of an excessively uneven overall heat exchange effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0050] Figure 1 This is a structural schematic diagram of an embodiment of the ice bladder device of the utility model;

[0051] Figure 2 for Figure 1 A schematic structural diagram of an embodiment of a heat exchanger shown;

[0052] Figure 3 for Figure 2 Schematic diagram of the exploded structure of the heat exchanger shown;

[0053] Figure 4 for Figure 3 The structural schematic diagram of the cover body shown;

[0054] Figure 5 for Figure 1 The heat exchanger shown is a schematic diagram of a simulation test for the flow of heat exchange medium;

[0055] Figure 6 for Figure 1 The exploded structural diagram of another embodiment of the heat exchanger shown;

[0056] Figure 7 for Figure 2 A schematic structural diagram of another embodiment of a heat exchange matrix is ​​shown;

[0057] Figure 8 for Figure 1 A schematic structural diagram of another embodiment of a heat exchanger is shown.

[0058] Description of Figure Numbers:

[0059] 100, heat exchanger; 10, heat exchange matrix; 11, base plate; 13, heat exchange fins; 15, first fin group; 151, first fin; 17, second fin group; 171, second fin; 19, second connecting hole; 20, sealing ring; 30, cover; 31, first groove; 33, second groove; 35, sealing groove; 37, first connecting hole; 40, diverter; 41, connecting channel; 50, first inlet and outlet; 70, second inlet and outlet; 90, heat exchange flow channel; 91, first confluence channel; 92, blocking wall; 93, second confluence channel; 931, long flow section; 933, short flow section; 95, diverter; 951, first diverter; 953, second diverter; 300, ice bladder device; 310, ice bladder shell; 320, cooling member; 330, cooling fin; x, first direction; y, second direction.

[0060] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0061] In order to make the purpose, technical solutions and advantages of the present invention more clear, the following part will further describe the embodiments of the present invention in detail in conjunction with the accompanying drawings.

[0062] When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present utility model. Instead, they are only examples of devices and methods consistent with some aspects of the present utility model as detailed in the attached claims.

[0063] In the description of the present utility model, it should be understood that the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise specified, "plurality" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the previously associated objects are in an "or" relationship.

[0064] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0065] See also Figure 1 The utility model proposes a drinking device. In the embodiment of the utility model, the drinking device includes but is not limited to a water dispenser or a water purifier. The water dispenser can be a tabletop water dispenser, a vertical water dispenser, an embedded water dispenser, a pipeline dispenser, etc. with functions such as cooling water, and the water purifier can include a filtering device, which is used to filter tap water that cannot be directly drunk, so that the tap water becomes direct drinking water, so as to improve the water purification effect of the water purifier. The embodiment of the utility model does not limit the specific form of the drinking device.

[0066] The drinking device includes a casing (not shown in the figure) and an ice gall device 300. The casing is provided with a water outlet, and the ice gall device 300 is accommodated inside the casing, and a gall cavity is formed inside the casing, and the gall cavity is connected to the water outlet. It is understandable that the water flowing through the gall cavity can be made into cold water by the ice gall device 300, thereby meeting the user's demand for drinking cold water. It should be noted that the temperature of the normal temperature water referred to here is generally defined as between 20 degrees Celsius and 30 degrees Celsius, and cold water is water with a lower temperature than normal temperature water, for example, the temperature of cold water is 2 degrees Celsius to 10 degrees Celsius, and is lower than the normal temperature water between 20 degrees Celsius and 30 degrees Celsius. It should be noted here that the cooling object of the gall cavity of the drinking device of this embodiment can be beverages, such as coffee or sparkling water, in addition to drinking water, and this embodiment is not limited to this.

[0067] Please continue reading Figure 1 The ice gall device 300 includes a heat exchanger 100, an ice gall shell 310, a cooling member 320, and a refrigeration member. The ice gall shell 310 may be a cubic structure, and the material of the ice gall shell 310 may be stainless steel or ceramic, which is not limited in this embodiment. Among them, stainless steel has the advantages of being more affordable, having good corrosion resistance, strong antibacterial and anticorrosive ability, and being easy to clean. The ice gall shell 310 has a gall cavity, so that the ice gall shell 310 can protect the various components located in the gall cavity and collect the liquid through the gall cavity.

[0068] The cooling member 320 can be made of a material with good thermal conductivity such as stainless steel or copper. The cooling member 320 is connected to the ice bladder shell 310 and at least partially extends into the bladder cavity to exchange heat with the liquid in the bladder cavity. That is, the liquid in the bladder cavity will contact the cooling member 320 and generate heat exchange, so that the ice bladder device 300 can produce cold water.

[0069] The refrigeration element may be a refrigeration chip, for example, a TEC (Thermoelectric Cooler) refrigeration sheet 330, and includes a cold end and a hot end disposed opposite to each other, and the cold end is thermally connected to the cooling element 320. It is understood that after the TEC refrigeration sheet 330 is connected to an external power source, the cold end will absorb heat from the cooling element 320, and the hot end will release heat to the outside. Compared with refrigeration elements in the form of compressors, the TEC refrigeration sheet 330 not only does not generate excessive noise during actual operation, so that the drinking device can be used in indoor environments with high noise requirements, but also has a smaller size, so that the ice bladder device 300 is smaller in size, and the drinking device can be miniaturized to be used in a more compact environment.

[0070] The heat exchanger 100 is connected to the hot end by heat conduction, and is used to cool the hot end. In this way, the heat on the hot end can be heat exchanged with the cold amount of the heat exchange medium flowing through the heat exchanger 100, and then the heat is dissipated outward by the heat exchanger 100, that is, at this time, the role played by the heat exchanger 100 is heat dissipation, and the heat exchange medium is a cooling medium. Of course, in other embodiments, according to actual needs, the heat exchanger 100 can also play a warming role, that is, the heat of the heat exchange medium flowing through the heat exchanger 100 will be heat exchanged with the cold amount of the structure to which the heat exchanger 100 is heat conduction connected. In this way, the role played by the heat exchanger 100 is a warming role, and the heat exchange medium is a warming medium, which is not limited in this embodiment. The following content still introduces the specific structure of the heat exchanger 100 on the assumption that the role played by the heat exchanger 100 is heat dissipation, and the heat exchange medium flowing through the heat exchanger 100 is a cooling medium.

[0071] Please refer to Figures 2 to 4 In some embodiments, the heat exchanger 100 includes a heat exchange base 10 and a cover 30. The heat exchange base 10 is in a cubic shape, and the material of the heat exchange base 10 can be metal, which has advantages such as better thermal conductivity and lower price. Of course, the material of the heat exchange base 10 can also be ceramic, etc., which is not limited in this embodiment. The heat exchange base 10 is thermally connected to the hot end to cool the hot end.

[0072] The cover 30 is in a square shape, and the material of the cover 30 can be plastic material, which has the advantages of easy molding, light weight and good corrosion resistance. Of course, the material of the cover 30 can also be other materials such as metal material, which is not limited in this embodiment. The cover 30 is covered on the heat exchange base 10, and encloses the heat exchange channel 90 with the heat exchange base 10. It can be understood that the heat exchange channel 90 is used for the cooling medium to flow.

[0073] The heat exchange channel 90 has a first inlet and outlet 50 and a second inlet and outlet 70 on the surface of the heat exchanger 100, one of the first inlet and outlet 50 and the second inlet and outlet 70 is a heat exchange medium inlet, and the other is a heat exchange medium outlet. Among them, the cross-sections of the first inlet and outlet 50 and the second inlet and outlet 70 can be circular, so that they can be easily connected with the pipeline. It can be understood that the cooling medium can flow into the heat exchange channel 90 from the heat exchange medium inlet, and then flow from the heat exchange channel 90 to the heat exchange medium outlet. In the process of the cooling medium flowing in the heat exchange channel 90, the coldness of the cooling medium will exchange heat with the heat of the hot end, thereby playing a role in heat dissipation and cooling the hot end.

[0074] See also Figure 5 The heat exchange channel 90 includes a first confluence channel 91, a second confluence channel 93 and a plurality of branch channels 95. The first confluence channel 91 may be in a long strip shape, and the first confluence channel 91 is connected to the first inlet and outlet 50. The second confluence channel 93 may be in an L-shape with a long flow section 931 and a short flow section 933 that are connected and arranged at an angle, and the second confluence channel 93 is connected to the second inlet and outlet 70. Each branch channel 95 is in a long strip shape, and the two ends of each branch channel 95 are respectively connected to the first confluence channel 91 and the second confluence channel 93, wherein the plurality of branch channels 95 are independent of each other.

[0075] It can be understood that when the first inlet and outlet 50 is the heat exchange medium inlet, and the second inlet and outlet 70 is the heat exchange medium outlet, the cooling medium can first flow into the first confluence channel 91 from the first inlet and outlet 50, and then disperse to multiple branch channels 95 through the first confluence channel 91, and then flow from each branch channel 95 to the second confluence channel 93, and finally flow out of the second inlet and outlet 70 after being collected by the second confluence channel 93. When the second inlet and outlet 70 is the heat exchange medium inlet, and the first inlet and outlet 50 is the heat exchange medium outlet, the cooling medium can first flow into the second confluence channel 93 from the second inlet and outlet 70, and then disperse to multiple branch channels 95 through the second confluence channel 93, and then flow from each branch channel 95 to the first confluence channel 91, and finally flow out of the first inlet and outlet 50 after being collected by the first confluence channel 91.

[0076] In summary, the plurality of branch channels 95 are independent of each other, and the two ends of each branch channel 95 are respectively connected to the first confluence channel 91 and the second confluence channel 93, so that the heat exchanger 100 of this embodiment has at least the following technical effects:

[0077] The heat exchange medium can flow from the first confluence channel 91 through multiple branch channels 95, and then flow from the multiple branch channels 95 to the second confluence channel 93, or can flow from the second confluence channel 93 through multiple branch channels 95, and then flow from the multiple branch channels 95 to the first confluence channel 91. In this way, compared with the heat exchange channel 90 in the form of a serpentine channel, when the heat exchange medium of this embodiment flows to the multiple branch channels 95, it will directly flow to the first confluence channel 91 or the second confluence channel 93 when it flows out from the tail end of the branch channel 95, so that the heat exchange medium can exchange heat in a state with a large temperature difference when flowing in each branch channel 95, achieving a better heat exchange effect. In addition, the heat exchange effect of the heat exchange object targeted by the heat exchanger 100 and the multiple regions corresponding to the multiple branch channels 95 can be kept as consistent as possible, so that the heat exchange object can have a uniform heat exchange effect, avoiding the occurrence of an excessively uneven overall heat exchange effect.

[0078] Please continue reading Figure 5 In some embodiments, the first inlet and outlet 50 is oriented perpendicular to the bottom wall of the first confluence channel 91. On this basis, when the first inlet and outlet 50 is the heat exchange medium inlet, the cooling medium will flow vertically from the first inlet and outlet 50 to the bottom wall of the first confluence channel 91, so that the thermal boundary layer of the cooling medium can be thinner, reducing the heat transfer resistance of the cooling medium, so that the cooling medium can flow through the first confluence channel 91 faster, achieving a jet effect, and improving the heat transfer speed and heat exchange intensity of the cooling medium.

[0079] In other embodiments, the first inlet and outlet 50 may be oriented at an angle of 45, 60 or 75 degrees to the bottom wall of the first conduit 91, or may be parallel to the bottom wall of the first conduit 91, which is not limited in this embodiment.

[0080] Please continue reading Figure 5 In some embodiments, the second inlet and outlet 70 is arranged perpendicular to the bottom wall of the second confluence channel 93. On this basis, when the second inlet and outlet 70 is the heat exchange medium inlet, the cooling medium will flow vertically from the second inlet and outlet 70 to the bottom wall of the second confluence channel 93, so that the thermal boundary layer of the cooling medium can be thinner, and the heat transfer resistance of the cooling medium can be reduced, so that the cooling medium can flow through the second confluence channel 93 faster, play a jet effect, and improve the heat transfer speed and heat exchange intensity of the cooling medium.

[0081] In other embodiments, the second inlet and outlet 70 may be oriented at an angle of 45, 60 or 75 degrees to the bottom wall of the second conduit 93, or may be parallel to the bottom wall of the second conduit 93, which is not limited in this embodiment.

[0082] Please continue reading Figure 5In some embodiments, the first inlet and outlet 50 is arranged perpendicularly to the bottom wall of the first confluence channel 91, and the second inlet and outlet 70 is arranged perpendicularly to the bottom wall of the second confluence channel 93. In this way, whether the cooling medium flows perpendicularly from the first inlet and outlet 50 to the bottom wall of the first confluence channel 91, or flows perpendicularly from the second inlet and outlet 70 to the bottom wall of the second confluence channel 93, the thermal boundary layer of the cooling medium can be made thinner, the heat transfer resistance of the cooling medium can be reduced, the jet effect can be achieved, and the heat transfer speed and heat exchange intensity of the cooling medium can be improved. On this basis, when the first inlet and outlet 50 and the second inlet and outlet 70 are arranged on the same surface of the heat exchanger 100, for example, when the first inlet and outlet 50 and the second inlet and outlet 70 are both arranged on the surface of the cover body 30 away from the heat exchange substrate 10, it is convenient for the staff to take over the first inlet and outlet 50 and the second inlet and outlet 70 respectively through the external pipeline, and the operation is more convenient.

[0083] In other embodiments, the first inlet and outlet 50 may be oriented at an angle of 45, 60, or 75 degrees to the bottom wall of the first confluence channel 91, or may be parallel to the bottom wall of the first confluence channel 91, and the second inlet and outlet 70 may be oriented at an angle of 45, 60, or 75 degrees to the bottom wall of the second confluence channel 93, or may be parallel to the bottom wall of the second confluence channel 93, and this embodiment does not impose any restrictions on this.

[0084] See also Figure 1 In some embodiments, the first inlet and outlet 50 is a heat exchange medium inlet, and the second inlet and outlet 70 is a heat exchange medium outlet, wherein, when the heat exchanger 100 is installed vertically, the first inlet and outlet 50 is located below the second inlet and outlet 70. It can be understood that when the heat exchange base 10 of the heat exchanger 100 is connected to the hot end by heat conduction, generally speaking, heat conduction is achieved by the surface of the heat exchange base 10 facing away from the cover 30 being attached to the hot end. Based on this, when the cooling plate 330 is placed vertically, the heat exchanger 100 will also be in a vertical installation state.

[0085] When the first inlet and outlet 50 is located above the second inlet and outlet 70, the cooling medium will flow downward rapidly due to its own gravity, resulting in a larger flow rate of the cooling medium flowing through the branch channel 95 located below, and a smaller flow rate flowing through the branch channel 95 located above, thereby causing the heat exchanger 100 to have an uneven heat dissipation effect. Therefore, compared with the form in which the first inlet and outlet 50 is located above the second inlet and outlet 70, this embodiment can avoid the uneven heat dissipation effect caused by the gravity factor of the cooling medium, that is, the flow rate of the cooling medium flowing through the branch channel 95 located above is nearly equal to the flow rate flowing through the branch channel 95 located below, thereby improving the heat dissipation uniformity of the heat exchanger 100. In other embodiments, when the heat exchanger 100 is installed vertically, the first inlet and outlet 50 can also be located above the second inlet and outlet 70, and this embodiment does not limit this.

[0086] Please refer to Figure 3 to Figure 4 In some embodiments, a sealing groove 35 is formed on the surface of the heat exchange substrate 10 facing the cover 30 or on the surface of the cover 30 facing the heat exchange substrate 10. The sealing groove 35 can be arranged in an annular shape and surround the outer side of the heat exchange flow channel 90. The heat exchanger 100 further includes a sealing ring 20. The sealing ring 20 can be arranged in an annular shape and embedded in the sealing groove 35.

[0087] It can be understood that the thickness of the sealing ring 20 will be greater than the depth of the sealing groove 35, so that when the sealing ring 20 is embedded and fixed in the sealing groove 35, the sealing ring 20 will protrude from the sealing groove 35, and then when the cover body 30 and the heat exchange base 10 are connected, the portion of the sealing ring 20 protruding from the sealing groove 35 will seal the gap between the cover body 30 and the heat exchange base 10, so that when the cooling medium flows in the heat exchange flow channel 90, this embodiment can reduce the possibility of the cooling medium flowing out from the gap between the sealing cover body 30 and the heat exchange base 10, and avoid the cooling medium from leaking from the gap between the sealing cover body 30 and the heat exchange base 10 and affecting the heat dissipation effect of the heat exchanger 100.

[0088] Please refer to Figure 3 to Figure 4In some embodiments, the cover 30 is provided with a first connection hole 37, and the heat exchange substrate 10 is provided with a second connection hole 19. The number of the first connection hole 37 and the second connection hole 19 are both multiple, and the first connection holes 37 are arranged at intervals along the circumference of the cover 30. The heat exchanger 100 also includes multiple fasteners (not shown in the figure), wherein one fastener is sequentially inserted into one second connection hole 19 and one first connection hole 37 to fix the cover 30 with the heat exchange substrate 10. The fastener can be a threaded fastener, so that the fastener is sequentially inserted into the first connection hole 37 and the second connection hole 19 to be locked. This connection method has a stable structure and can have good repeated disassembly and assembly performance. In addition, the cooperation of multiple fasteners, multiple first connection holes 37 and multiple second connection holes 19 can increase the stability of the connection between the cover 30 and the heat exchange substrate 10 along the circumference of the cover 30. In other embodiments, the cover 30 and the heat exchange substrate 10 can also be connected by bonding, clamping or welding, etc., which is not limited in this embodiment.

[0089] Furthermore, there is a fastener that can penetrate the cooling member 320 and the ice bladder shell 310 after penetrating a second connection hole 19 and a first connection hole 37, so that the heat exchanger 100, the cooling member 320 and the ice bladder shell 310 can be fixedly connected.

[0090] See also Figure 5 In some embodiments, the connecting position of the branch channel 95 and the first confluence channel 91 to the first inlet and outlet 50 has a first flow length; the connecting position of the branch channel 95 and the second confluence channel 93 to the second inlet and outlet 70 has a second flow length, that is, the length of the long flow section 931 itself and the length of the short flow section 933 itself; the branch channel 95 itself has a third flow length L4. The sum of the first flow length, the second flow length and the third flow length is the total flow length of the heat exchange medium in the heat exchanger 100.

[0091] Among them, for different branch channels 95, the length of the first flow length is different from the length of the second flow length, and the total flow length is the same. Exemplarily, for the convenience of explanation, it is defined that the cooling medium flows through the first confluence channel 91, one of the branch channels 95 and the second confluence channel 93 as the first path, and flows through the first confluence channel 91, one of the branch channels 95 and the second confluence channel 93 as the second path. The flow path of the cooling medium in the heat exchange channel 90 includes at least the first path and the second path mentioned above. Regardless of whether the cooling medium flows in the first path or the second path, the flow length of the flow medium flowing in the two paths is equal, which can further ensure the heat dissipation uniformity of the heat exchanger 100.

[0092] Alternatively, the difference in the total flow lengths corresponding to different branch channels 95 is less than 20% of the total flow length. For example, for the convenience of explanation, the first path and the second path of the above content are defined, and the flow length of the cooling medium flowing in the first path or the second path is approximately equal, which can further improve the heat dissipation uniformity of the heat exchanger 100.

[0093] Optionally, the difference in total flow lengths corresponding to different branch channels 95 may be less than 2%, 5%, 7%, 10%, 12%, 15% or 17% of the total flow length, etc., and this embodiment does not impose any limitation on this.

[0094] See also Figure 6 Furthermore, the heat exchange substrate 10 includes a base plate 11 and a plurality of heat exchange fins 13 , and the plurality of heat exchange fins 13 are connected to the surface of the base plate 11 facing the cover 30 at intervals.

[0095] The substrate 11 may be arranged in a square shape, and is used to carry a plurality of heat exchange fins 13, and the substrate 11 may be made of a metal material, so that when the substrate 11 is heat-conductingly connected to the hot end, the heat conduction efficiency with the hot end can be ensured. The substrate 11 is connected to the cover 30. The heat exchange fins 13 may be arranged in a long strip shape, and the heat exchange fins 13 may be made of a metal material, so that when the substrate 11 is heat-conductingly connected to the cooling medium, the heat conduction efficiency with the cooling medium can be ensured.

[0096] A flow divider 95 is formed between two adjacent heat exchange fins 13 , and the plurality of heat exchange fins 13 are arranged along the first direction x, wherein the first inlet and outlet 50 and the second inlet and outlet 70 are located on opposite sides of the whole formed by the plurality of heat exchange fins 13 in the first direction x. In this way, when the cooling medium flows through the bypass channel 95, it can exchange heat with the heat exchange fins 13, and the setting of the heat exchange fins 13 can also greatly increase the contact area between the cooling medium and the heat exchange fins 13, so that the heat exchange efficiency between the cooling medium flowing through the bypass channel 95 and the heat at the hot end can be effectively improved. Compared with the form in which the heat exchange base 10 is recessed in the direction away from the cover body 30 to form the bypass channel 95, this embodiment does not need to increase the thickness of the heat exchange base 10 on the basis of ensuring good heat dissipation efficiency so that the heat exchange base 10 can sink into the bypass channel 95 with a certain thickness. In this way, in the form in which the heat exchanger 100 of this embodiment is provided with heat exchange fins 13 on the heat exchange base 10, the thickness of the heat exchange base 10 does not need to be increased, thereby reducing the weight of the heat exchange base 10. In other embodiments, the bypass channel 95 can also be formed by recessing the heat exchange base 10 in the direction away from the cover body 30, and this embodiment does not limit this.

[0097] Please continue reading Figure 6In some embodiments, all heat exchange fins 13 are located on the same side of the first confluence channel 91 along the second direction y, wherein the second direction y is perpendicular to the first direction x. It is understandable that the cooling medium can flow from the first confluence channel 91 along the second direction y to each branch channel 95, and then flow to the second confluence channel 93 through each branch channel 95, or the cooling medium can flow from the second confluence channel 93 to each branch channel 95 located on the same side of the first confluence channel 91 along the second direction y, and then flow to the first confluence channel 91 through each branch channel 95. In this way, the heat exchanger 100 of this embodiment has a uniform heat exchange effect, and the heat exchange fins 13 are all arranged on the same side of the first confluence channel 91 along the second direction y, which can make the arrangement relationship of all heat exchange fins 13 more uniform and simple.

[0098] Please continue reading Figure 6 , further, the first inlet and outlet 50 and the second inlet and outlet 70 are located at the diagonal of the whole formed by all the heat exchange fins 13. Based on this, taking the second confluence channel 93 as an example, the second confluence channel 93 does not need to be provided with a short flow section 933, and only a long flow section 931 is provided. In this way, the distance of the second confluence channel 93 can be shortened, and the flow speed of the cooling medium can be kept unchanged. The flow time of the cooling medium in the heat exchange channel 90 can be reduced, so that during the operation of the heat exchanger 100, the flow time of the cooling medium in the heat exchange channel 90 can be shortened to increase the number of flows of the cooling medium in the heat exchange channel 90, thereby effectively improving the heat dissipation efficiency of the heat exchanger 100. In other embodiments, the connection direction of the first inlet and outlet 50 and the second inlet and outlet 70 is located on one side of the whole formed by all the heat exchange fins 13 along the second direction y, and this embodiment does not limit this.

[0099] See also Figure 3 In some embodiments, the plurality of heat exchange fins 13 include a first fin group 15 and a second fin group 17, the first fin group 15 includes a plurality of first fins 151 and a first branch channel 951 is formed between two adjacent first fins 151, the second fin group 17 includes a plurality of second fins 171 and a second branch channel 953 is formed between two adjacent second fins 171, and the branch channel 95 includes a first branch channel 951 and a second branch channel 953.

[0100] The first fin group 15 and the second fin group 17 are respectively located on both sides of the first confluence channel 91 along the second direction y, wherein the second direction y is perpendicular to the first direction x. Based on this, the first branch channel 951 and the second branch channel 953 can be located on both sides of the first confluence channel 91, and the second confluence channel 93 includes two and respectively corresponds to the first branch channel 951 and the second branch channel 953. It can be understood that the cooling medium can flow from the first confluence channel 91 to the first branch channel 951 and the second branch channel 953, and then flow from the first branch channel 951 to the corresponding second confluence channel 93, and flow from the second branch channel 953 to the corresponding second confluence channel 93, or the cooling medium can flow from the second confluence channel 93 to the first branch channel 951, and from the second confluence channel 93 to the second branch channel 953, and then flow to the first confluence channel 91 through the first branch channel 951 and the second branch channel 953.

[0101] By setting the first branch channel 951 and the second branch channel 953, the whole branch channel 95 can be divided into two parts, so that the complete path length of the cooling medium flowing through the branch channel 95 is divided into the path length flowing through the first branch channel 951 and the path length flowing through the second branch channel 953. Compared with the form in which the cooling medium flows through the complete branch channel 95, this embodiment can shorten the flow path length of the cooling medium. In this way, it can effectively improve the situation in which the cooling medium flows through the branch channel 95 with too long a flow path length, causing it to flow to the second half of the branch channel 95, and the temperature difference between the hot end is small, affecting the heat dissipation efficiency, thereby effectively improving the heat dissipation uniformity of the heat exchanger 100.

[0102] Please continue reading Figure 3 In some embodiments, the heat exchanger 100 further includes a plurality of flow dividers 40, each first fin 151 and its corresponding second fin 171 in the second direction y are connected to each other through the flow divider 40 and are an integral structure, a connecting channel 41 is defined between two adjacent flow dividers 40, and the first confluence channel 91 is connected to the corresponding first branch channel 951 and the second branch channel 953 through the connecting channel 41. It can be understood that the cooling medium will first flow through the connecting channel 41 before flowing to the first branch channel 951 and the second branch channel 953 through the first confluence channel 91; or, the cooling medium will first flow through the connecting channel 41 before flowing to the first confluence channel 91 through the first branch channel 951 and the second branch channel 953.

[0103] In this way, the first fin 151, the flow divider 40 and the second fin 171 are sequentially connected and integrated into an integral structure, which can ensure the connection strength of the three and facilitate manufacturing. If the heat exchange base 10 is made of metal, it can be directly manufactured by stamping and stretching, etc., which can not only ensure the connection strength of the first fin 151, the flow divider 40 and the second fin 171, but also improve the heat dissipation efficiency of the heat exchange base 10 by the characteristics of the metal material.

[0104] See also Figure 4 Furthermore, the surface of the cover body 30 facing the substrate 11 is recessed to form a first groove 31, wherein the bottom wall of the first groove 31 is recessed to form a first confluence channel 91. In this way, the first confluence channel 91 can be directly constructed by the cover body 30 itself. For example, when the cover body 30 is made of plastic, in the actual production process, the first groove 31 can be formed in the cover body 30 during the molding process through the design of the mold, without the need for secondary processing to form the first groove 31, which is convenient for manufacturing in the workshop.

[0105] A plurality of heat exchange fins 13 extend into the first groove 31 to form independent flow dividers 95 together with the groove bottom wall of the first groove 31. It can be understood that the surface of the heat exchange fin 13 facing away from the substrate 11 can abut against the groove bottom wall of the first groove 31, so that the flow divider 95 is formed by the facing surfaces of two adjacent heat exchange fins 13, the surface of the substrate 11 and the groove bottom wall of the first groove 31. In this way, the sealing and independence between the two adjacent flow dividers 95 can be ensured, and the cooling medium in one flow divider 95 is prevented from flowing into the adjacent flow divider 95 to affect the heat dissipation effect.

[0106] Please continue reading Figure 4 Furthermore, the bottom wall of the first groove 31 is further recessed to form a second groove 33, the second groove 33 is located outside the first groove 31, and the second groove 33 constitutes at least a part of the second confluence channel 93. In this way, the first groove 31 can be directly formed by the cover body 30 itself. For example, when the cover body 30 is made of plastic material, in the actual production process, the cover body 30 can also form the first groove 31 during the molding process through the design of the mold, without the need for secondary processing to form the second groove 33, which is convenient for the workshop to carry out manufacturing and production.

[0107] Optionally, the second groove 33 may constitute the entire second conduit 93 , or the surface of the substrate 11 may be recessed in a direction away from the cover body 30 to form a third groove, and the second conduit 93 is constructed by the cooperation of the third groove and the second groove 33 .

[0108] See also Figure 7 In some embodiments, the first fins 151 of the first fin group 15 and the second fins 171 of the second fin group 17 are not connected to each other, and at least part of the first confluence channel 91 is configured between the first fin group 15 and the second fin group 17. In this way, the first fin 151 and the second fin 171 can be split structures, so that the directions of the first fin 151 and the second fin 171 can be changed and adjusted respectively, so that the extension direction of the first branch channel 951 and the second branch channel 953 can be adjusted according to needs.

[0109] Optionally, the first conduit 91 may be constructed as a whole between the first fin group 15 and the second fin group 17, or the bottom wall of the first groove 31 may be recessed to form a fourth groove, and the first conduit 91 may be constructed between the first fin group 15 and the second fin group 17 in cooperation with the fourth groove.

[0110] Please continue reading Figure 6 In some embodiments, the first fin group 15 and the second fin group 17 are axially symmetrically distributed in the direction of the line connecting the center point of the first inlet and outlet 50 and the center point of the second inlet and outlet 70. In this way, the path length of the cooling medium flowing through the first branch channel 951 and the second branch channel 953 can be consistent, so that the cooling effect of the cooling medium when flowing to the first branch channel 951 and the second branch channel 953 is consistent or nearly consistent, thereby effectively improving the overall heat dissipation uniformity of the heat exchanger 100. Of course, in other embodiments, the first fin group 15 and the second fin group 17 can also be non-axisymmetrically distributed in the direction of the line connecting the center point of the first inlet and outlet 50 and the center point of the second inlet and outlet 70, and this embodiment does not limit this.

[0111] See also Figure 5 In some embodiments, along the extension direction of the first confluence channel 91, a blocking wall 92 is formed at one end of the first confluence channel 91 away from the first inlet and outlet 50, and the blocking wall 92 is used to allow the first confluence channel 91 to communicate with the second confluence channel 93 only through the branch channel 95. In this way, direct communication between the first confluence channel 91 and the second confluence channel 93 can be avoided, thereby preventing the cooling medium flowing through the first confluence channel 91 from directly flowing to the second confluence channel 93, or preventing the cooling medium flowing through the second confluence channel 93 from directly flowing to the first confluence channel 91, and the blocking wall 92 can be directly constructed from the end of the first confluence channel 91, without the need to form the blocking wall 92 through additional steps. In other embodiments, the substrate 11 or the cover body 30 may also be formed with a blocking wall 92 for allowing the first confluence channel 91 to communicate with the second confluence channel 93 only through the branch channel 95 on the portion other than the first confluence channel 91, and this embodiment is not limited to this.

[0112] Please continue reading Figure 5In some embodiments, along the extension direction of the second confluence channel 93, a blocking wall 92 is formed at one end of the second confluence channel 93 away from the second inlet and outlet 70, and the blocking wall 92 is used to allow the second confluence channel 93 to communicate with the first confluence channel 91 only through the branch channel 95. In this way, direct communication between the first confluence channel 91 and the second confluence channel 93 can be avoided, thereby preventing the cooling medium flowing through the first confluence channel 91 from directly flowing to the second confluence channel 93, or preventing the cooling medium flowing through the second confluence channel 93 from directly flowing to the first confluence channel 91, and the blocking wall 92 can be directly constructed from the end of the second confluence channel 93, without the need to form the blocking wall 92 through additional steps. In other embodiments, the substrate 11 or the cover body 30 may also be formed with a blocking wall 92 for allowing the second confluence channel 93 to communicate with the first confluence channel 91 only through the branch channel 95, and this embodiment does not limit this.

[0113] Please continue reading Figure 5 In some embodiments, along the extension direction of the first confluence channel 91, a blocking wall 92 is formed at one end of the first confluence channel 91 away from the first inlet and outlet 50, and the blocking wall 92 is used to allow the first confluence channel 91 to communicate with the second confluence channel 93 only through the branch channel 95. Along the extension direction of the second confluence channel 93, a blocking wall 92 is formed at one end of the second confluence channel 93 away from the second inlet and outlet 70, and the blocking wall 92 is used to allow the second confluence channel 93 to communicate with the first confluence channel 91 only through the branch channel 95. In this way, direct connection between the first convergence channel 91 and the second convergence channel 93 can be avoided, thereby preventing the cooling medium flowing through the first convergence channel 91 from directly flowing to the second convergence channel 93, or preventing the cooling medium flowing through the second convergence channel 93 from directly flowing to the first convergence channel 91, and the blocking wall 92 can be directly constructed from the end of the first convergence channel 91 without the need to form the blocking wall 92 through additional steps, and the blocking wall 92 can be directly constructed from the end of the second convergence channel 93 without the need to form the blocking wall 92 through additional steps. In other embodiments, a blocking wall 92 for allowing the first convergence channel 91 to communicate with the second convergence channel 93 only through the branch channel 95 may be formed on the substrate 11 or the cover body 30 in a portion outside the portion forming the first convergence channel 91, and a blocking wall 92 for allowing the second convergence channel 93 to communicate with the first convergence channel 91 only through the branch channel 95 may be formed on the substrate 11 or the cover body 30 in a portion outside the portion forming the second convergence channel 93, and this embodiment does not impose any restrictions on this.

[0114] See also Figure 8 In some embodiments, the second inlet and outlet 70 includes two inlets and outlets 70 that are spaced apart along the second direction y, and the first inlet and outlet 50 is located at the midpoint of the line connecting the two second inlets and outlets 70 .

[0115] The first inlet and outlet 50 is a heat exchange medium inlet and the two second inlets and outlets 70 are both heat exchange medium outlets, or the first inlet and outlet 50 is a heat exchange medium outlet and the two second inlets and outlets 70 are both heat exchange medium inlets. In this way, the cooling medium can enter and exit the heat exchange flow channel 90 through a combination of two heat exchange medium inlets and one heat exchange medium outlet, or a combination of two heat exchange medium outlets and one heat exchange medium inlet.

[0116] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0117] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat exchanger, characterized in that: It comprises a heat exchange base and a cover, wherein the cover is arranged on the heat exchange base and encloses the heat exchange base to form a heat exchange channel, wherein the heat exchange channel has a first inlet and a second inlet on the surface of the heat exchanger, wherein one of the first inlet and the second inlet is a heat exchange medium inlet, and the other is a heat exchange medium outlet; the heat exchange channel comprises: a first confluence channel, the first confluence channel being in communication with the first inlet and outlet; a second confluence channel, the second confluence channel being in communication with the second inlet and outlet; and A plurality of branch flow channels are independent of each other, and two ends of each branch flow channel are respectively connected to the first converging flow channel and the second converging flow channel.

2. The heat exchanger according to claim 1, characterized in that The connecting position of the branch channel and the first confluence channel to the first inlet and outlet has a first flow length; the connecting position of the branch channel and the second confluence channel to the second inlet and outlet has a second flow length; the branch channel itself has a third flow length; the sum of the first flow length, the second flow length and the third flow length is the total flow length of the heat exchange medium in the heat exchanger; Among them, for different branch channels, the first flow length and the second flow length are different, and the total flow length is the same, or the difference in the total flow length corresponding to different branch channels is less than 20% of the total flow length.

3. The heat exchanger according to claim 2, characterized in that The heat exchange matrix comprises: a substrate connected to the cover; and A plurality of heat exchange fins are connected to the surface of the substrate facing the cover body at intervals, and the flow channel is formed between two adjacent heat exchange fins, and the plurality of heat exchange fins are arranged along a first direction; Wherein, the first inlet and outlet and the second inlet and outlet are located on opposite sides of the whole formed by the plurality of heat exchange fins in the first direction.

4. The heat exchanger according to claim 3, characterized in that All of the heat exchange fins are located on the same side of the first confluence channel along a second direction, wherein the second direction is perpendicular to the first direction.

5. The heat exchanger according to claim 4, characterized in that The first inlet and outlet and the second inlet and outlet are located at opposite corners of the whole formed by all the heat exchange fins.

6. The heat exchanger according to claim 3, characterized in that The plurality of heat exchange fins include a first fin group and a second fin group, the first fin group includes a plurality of first fins and a first flow divider is formed between two adjacent first fins, the second fin group includes a plurality of second fins and a second flow divider is formed between two adjacent second fins, and the flow divider includes the first flow divider and the second flow divider; The first fin group and the second fin group are respectively located on two sides of the first bus channel along a second direction, wherein the second direction is perpendicular to the first direction.

7. The heat exchanger according to claim 6, characterized in that The heat exchanger also includes a plurality of diverter plates, each of the first fins is connected to the second fin corresponding to it in the second direction through the diverter plate and forms an integrated structure, a connecting channel is defined between two adjacent diverter plates, and the first confluence channel is connected to the corresponding first diverter channel and second diverter channel through the connecting channel.

8. The heat exchanger according to claim 7, characterized in that The surface of the cover body facing the substrate is recessed to form a first groove; The bottom wall of the first groove is recessed to form the first confluence channel, and a plurality of the heat exchange fins extend into the first groove to respectively form independent branch channels together with the bottom wall of the first groove.

9. The heat exchanger according to claim 8, characterized in that The bottom wall of the first groove is further recessed to form a second groove, the second groove is located outside the first groove, and the second groove constitutes at least a part of the second conduit.

10. The heat exchanger according to claim 6, characterized in that The plurality of first fins of the first fin group and the plurality of second fins of the second fin group are not connected to each other, and at least a portion of the first conduit is formed between the first fin group and the second fin group.

11. The heat exchanger according to claim 6, characterized in that In the direction of a line connecting a center point of the first inlet and a center point of the second inlet and the second inlet, the first fin group and the second fin group are axially symmetrically distributed.

12. The heat exchanger according to claim 3, characterized in that A blocking wall is formed at one end of the first confluence channel away from the first inlet and outlet along the extension direction of the first confluence channel, and the blocking wall is used to allow the first confluence channel to communicate with the second confluence channel only through the branch channel; and / or, Along the extension direction of the second confluence channel, a blocking wall is formed at one end of the second confluence channel away from the second inlet and outlet, and the blocking wall is used to allow the second confluence channel to communicate with the first confluence channel only through the branch channel.

13. The heat exchanger according to claim 3, characterized in that The second inlet and outlet include two and are arranged at intervals along a second direction, the second direction is perpendicular to the first direction, and the first inlet and outlet are located at the midpoint of a line connecting the two second inlet and outlet; The first inlet and outlet are heat exchange medium inlets and the two second inlets and outlets are heat exchange medium outlets, or the first inlet and outlet are heat exchange medium outlets and the two second inlets and outlets are heat exchange medium inlets.

14. The heat exchanger according to any one of claims 1 to 13, characterized in that: The first inlet and outlet are arranged perpendicular to the bottom wall of the first confluence channel; and / or, The second inlet and outlet are arranged perpendicularly to the bottom wall of the second confluence channel.

15. The heat exchanger according to any one of claims 1 to 13, characterized in that: The first inlet and outlet are heat exchange medium inlets, and the second inlet and outlet are heat exchange medium outlets; Wherein, when the heat exchanger is installed vertically, the first inlet and outlet are located below the second inlet and outlet.

16. The heat exchanger according to any one of claims 1 to 13, characterized in that: A sealing groove is formed on the surface of the heat exchange base body facing the cover body or on the surface of the cover body facing the heat exchange base body, and the sealing groove surrounds the outer side of the heat exchange flow channel; The heat exchanger further comprises a sealing ring, and the sealing ring is embedded in the sealing groove.

17. The heat exchanger according to any one of claims 1 to 13, characterized in that: The cover body is provided with a first connecting hole, and the heat exchange base body is provided with a second connecting hole; The number of the first connection holes and the number of the second connection holes are both multiple, and the multiple first connection holes are arranged at intervals along the circumference of the cover body; The heat exchanger further includes a plurality of fasteners, wherein one of the fasteners is sequentially inserted through one of the second connection holes and one of the first connection holes to fix the cover body and the heat exchange base body in connection.

18. An ice bladder device, characterized in that: include: The heat exchanger according to any one of claims 1 to 17; An ice gall shell, wherein the ice gall shell has a gall cavity; A cooling member connected to the ice bladder shell and at least partially extending into the bladder cavity for exchanging heat with the liquid in the bladder cavity; as well as A refrigeration component, wherein the refrigeration component has a cold end and a hot end, and the cold end is thermally connected to the refrigeration conductive component; Wherein, the heat exchange matrix is ​​thermally connected to the hot end, and is used to cool the hot end.

19. A drinking device, characterized in that: include: The ice bladder device as claimed in claim 18; and The casing is provided with a water outlet, the ice container device is accommodated in the casing, and the container cavity is communicated with the water outlet.

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