Heat exchanger and oxygen production device
By incorporating heat exchange fins and a split end cap structure in the heat exchanger, the problems of small heat exchange area and difficult cleaning and maintenance are solved, resulting in better heat dissipation and convenient maintenance. This makes it suitable for scenarios requiring heat exchange, such as oxygen generation devices.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-31
AI Technical Summary
Existing heat exchangers have small heat exchange areas, poor heat dissipation, and are difficult to clean and maintain inside the heat exchange tubes.
Design a heat exchanger including a heat exchange body, heat exchange fins, a first end cover and a second end cover. The heat exchange body has a heat exchange channel inside, the heat exchange fins are arranged outside the heat exchange body, and the first end cover and the second end cover are respectively arranged at both ends of the heat exchange body to facilitate the inflow and outflow of the heat medium. The heat exchange body and the end cover are arranged separately to facilitate cleaning and maintenance.
The increased heat exchange area improves heat dissipation and facilitates the cleaning and maintenance of the heat exchange channels, ensuring the effective transfer and dissipation of heat from the heat medium.
Smart Images
Figure CN224065970U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of heat exchange technology, and in particular to heat exchangers and oxygen generation devices. Background Technology
[0002] Heat exchangers are widely used in various industries, such as radiators for cooling motors and engines, and oxygen generators for air conditioning systems. Heat exchangers in related technologies generally use serpentine heat exchange tubes, which have a small heat exchange area, poor heat dissipation, and are difficult to clean and maintain inside the heat exchange tubes. Utility Model Content
[0003] The purpose of this application is to provide a heat exchanger and oxygen generation device that can enhance heat dissipation and facilitate the cleaning and maintenance of the heat exchange channel.
[0004] To achieve the above objectives, the technical solution provided in this application is: a heat exchanger, including a heat exchange body, heat exchange fins, a first end cover and a second end cover; a heat exchange channel is provided inside the heat exchange body; the heat exchange fins are disposed outside the heat exchange body; the first end cover is disposed at one end of the heat exchange body and has an inlet communicating with the heat exchange channel; the second end cover is disposed at the other end of the heat exchange body and has an outlet communicating with the heat exchange channel.
[0005] The beneficial effects of this application are as follows: The heat exchanger provided by this application consists of multiple components, including a heat exchange body, a first end cover, and a second end cover. The heat exchange body, as the core component performing the heat exchange function, has heat exchange fins on its exterior to increase the heat exchange area between the heat exchange body and the outside air. The heat exchange channel inside the heat exchange body allows the heat medium to flow through. The heat medium flows into the heat exchange channel through the inlet on the first end cover, flows through the heat exchange channel, and flows out through the outlet on the second end cover. When the heat medium flows through the heat exchange channel, it can exchange heat with the heat exchange body, transferring the heat of the heat medium to the heat exchange body, and then quickly dissipating it into the outside air through the heat exchange fins on the heat exchange body, thus achieving heat exchange of the heat medium. The separate arrangement of the heat exchange body, the first end cover, and the second end cover facilitates the cleaning and maintenance of the heat exchange channel. Furthermore, the heat exchange fins on the heat exchange body enhance the heat dissipation effect of the heat exchange channel.
[0006] This application also provides an oxygen generating device, which includes a compressor, a molecular sieve, and a heat exchanger as described above, wherein the heat exchanger is connected between the compressor and the molecular sieve.
[0007] The beneficial effects of the oxygen generating device provided in this application are the same as those of the heat exchanger provided in this application, and will not be repeated here. Attached Figure Description
[0008] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:
[0009] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of the heat exchanger provided in this application;
[0010] Figure 2 yes Figure 1 Top view of the heat exchanger;
[0011] Figure 3 yes Figure 2 AA section diagram;
[0012] Figure 4 yes Figure 1 A schematic diagram of the exploded structure of a heat exchanger.
[0013] Explanation of reference numerals in the attached figures:
[0014] Heat exchanger 10; heat exchange body 110; heat exchange channel 101; inlet 101A; outlet 101B; heat exchange hole 1011; first heat exchange hole 10111; second heat exchange hole 10112; third heat exchange hole 10113; heat exchange fins 111; connecting part 112; connecting hole 1120; first end cap 120; first connecting groove 1201; third connecting groove 1202; first insertion / extraction part 121; first fastening part 122; first fastening hole 1220; second end cap 120; first connecting groove 1201; third connecting groove 1202; first insertion / extraction part 121; first fastening part 122; first fastening hole 1220; second end cap 120; first connecting groove 1201; third connecting groove 1202; third ... End cap 130; second connecting groove 1301; fourth connecting groove 1302; second insertion / extraction part 131; second fastening part 132; second fastening hole 1320; first fastener 140; second fastener 150; first seal 160; first clearance hole 1601; second clearance hole 1602; third clearance hole 1603; second seal 170; fourth clearance hole 1701; fifth clearance hole 1702; sixth clearance hole 1703; first direction X; second direction Y. Detailed Implementation
[0015] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.
[0016] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0017] Heat exchangers are widely used in various industries, such as radiators for cooling motors and engines, and oxygen generators for air conditioning systems.
[0018] Heat exchangers in related technologies generally use serpentine heat exchange tubes, which have a small heat exchange area, poor heat dissipation effect, and are difficult to clean and maintain inside the heat exchange tubes.
[0019] In view of this, this application provides a heat exchanger, including a heat exchange body, heat exchange fins, a first end cover and a second end cover; the heat exchange body has a heat exchange channel inside; the heat exchange fins are disposed outside the heat exchange body; the first end cover is disposed at one end of the heat exchange body and has an inlet communicating with the heat exchange channel; the second end cover is disposed at the other end of the heat exchange body and has an outlet communicating with the heat exchange channel.
[0020] The heat exchanger provided in this application is used for heat exchange of a heat medium to be exchanged. The heat exchanger body, as the core component for heat exchange, has heat exchange fins on its exterior to increase the heat exchange area between the body and the outside air. Heat exchange channels inside the body allow the heat medium to flow through. The heat medium flows into the heat exchange channel through an inlet on the first end cap and exits through an outlet on the second end cap. As the heat medium flows through the heat exchange channel, it exchanges heat with the heat exchanger body, transferring heat to the body and then rapidly dissipating it into the outside air through the heat exchange fins. The separate design of the heat exchanger body, the first end cap, and the second end cap facilitates cleaning and maintenance of the heat exchange channels. Furthermore, the heat exchange fins on the body enhance the heat dissipation effect of the heat exchange channels.
[0021] Please see Figures 1 to 3 , Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of the heat exchanger provided in this application. Figure 2 yes Figure 1 Top view of the heat exchanger Figure 3 yes Figure 2The heat exchanger 10, as shown in the AA cross-sectional view, is used for heat exchange of a heat medium. The heat exchanger 10 includes a heat exchange body 110, heat exchange fins 111, a first end cap 120, and a second end cap 130. A heat exchange channel 101 is provided inside the heat exchange body 110. The heat exchange fins are disposed outside the heat exchange body 110. The first end cap 120 is disposed at one end of the heat exchange body 110 and has an inlet 101A that connects to the heat exchange channel 101. The second end cap 130 is disposed at the other end of the heat exchange body 110 and has an outlet 101B that connects to the heat exchange channel 101.
[0022] The heat exchanger body 110 serves as the core heat exchange component in the heat exchanger 10. Heat exchange fins 111 are provided on the outside of the heat exchanger body 110 to increase the heat exchange area between the heat exchanger body 110 and the outside air, thereby achieving rapid heat exchange between the heat exchanger body 110 and the outside air. The heat exchange fins 111 can be directly machined from the outer surface of the heat exchanger body 110, for example, integrally formed on the outer surface of the heat exchanger body 110. The material of the outer surface of the heat exchanger body 110 and the heat exchange fins 111 thereon can be, but is not limited to, metals with high thermal conductivity such as aluminum, thus exhibiting excellent thermal conductivity.
[0023] The heat exchange channel 101 inside the heat exchange body 110 is used for the flow of the heating medium. As an example, the heat exchange channel 101 can be formed directly inside the heat exchange body 110 after it has been formed by drilling holes. As another example, the heat exchange channel 101 can be formed during the processing of the heat exchange body 110. For example, the heat exchange body 110 can be formed by extrusion molding. The formed heat exchange body 110 has a cavity inside, which serves as the heat exchange channel 101. When the heat medium flows through the heat exchange channel 101, the heat medium can exchange heat with the heat exchange body 110 to transfer the heat of the heat medium to the heat exchange body 110 and quickly dissipate it into the outside air through the heat exchange fins 111, thus achieving rapid heat exchange of the heat medium.
[0024] The first end cap 120 and the second end cap 130 are respectively connected to the two ends of the heat exchange body 110. The inlet 101A of the first end cap 120 serves as the inlet for the external heat medium to be exchanged to enter the heat exchange channel 101 of the heat exchange body 110. The outlet 101B of the second end cap 130 serves as the outlet for the heat medium that has completed heat exchange in the heat exchange channel 101 of the heat exchange body 110 to exit the heat exchange channel 101. The external heat medium to be exchanged enters the heat exchange channel 101 through the inlet 101A of the first end cap 120. The heat medium exchanges heat through the heat exchange channel 101. The heat medium that has completed heat exchange exits the heat exchange channel 101 through the outlet 101B of the second end cap 130.
[0025] As an example, the first end cap 120 can be fixedly connected to one end of the heat exchange body 110 in a non-removable manner, or it can be detachably connected to one end of the heat exchange body 110. The second end cap 130 can be fixedly connected to the other end of the heat exchange body 110 in a non-removable manner, or it can be detachably connected to the other end of the heat exchange body 110. The materials of the first end cap 120 and the second end cap 130 can be non-metallic materials such as plastic, or metallic materials such as aluminum.
[0026] The heat medium involved in this application refers to a fluid such as a gas or liquid to be heat exchanged. For example, when the gas to be heat exchanged is hot air, when the hot air flows through the heat exchange channel 101, the heat of the hot air is transferred to the heat exchange body 110 and dissipated into the air through the heat exchange fins 111 outside the heat exchange body 110, thereby realizing the heat exchange of the hot air. This process can also be referred to as the heat dissipation of hot air. The heat exchanger 10 in this embodiment of the application is used to dissipate heat from the hot air, and the heat exchange channel 101 can also be referred to as the heat dissipation channel, and the heat exchange fins 111 can also be referred to as heat dissipation fins.
[0027] As can be seen, the heat exchanger 10 provided in this embodiment is composed of multiple components such as a heat exchange body 110, a first end cap 120, and a second end cap 130. The heat exchange body 110 is the core heat exchange component in the heat exchanger 10. The heat exchange fins 111 outside the heat exchange body 110 are used to increase the heat exchange area between the heat exchange body 110 and the outside air. The heat exchange channel 101 inside the heat exchange body 110 is used for the flow of the heat medium. The heat medium can flow into the heat exchange channel 101 through the inlet 101A provided in the first end cap 120, and after flowing through the heat exchange channel 101, it flows out of the heat exchange channel 101 through the outlet 101B provided in the second end cap 130. When the heat medium flows through the heat exchange channel 101, the heat medium can exchange heat with the heat exchange body 110 to transfer the heat of the heat medium to the heat exchange body 110, and then quickly dissipate it to the outside air through the heat exchange fins 111 to achieve heat exchange of the heat medium. The heat exchange body 110, the first end cover 120 and the second end cover 120 are set separately, which facilitates the cleaning and maintenance of the heat exchange channel 101. In addition, the heat exchange body 110 is provided with heat exchange fins 111, which can enhance the heat dissipation effect of the heat exchange channel 101.
[0028] In one specific embodiment, the heat medium is high-pressure air produced by the compressor of the oxygen generator. The high-pressure air produced by the compressor is usually at a high temperature. This high-temperature high-pressure air can enter the heat exchange channel 101 through the inlet 101A. During the flow of the high-pressure air through the heat exchange channel 101, the high-pressure air exchanges heat with the heat exchange body 110. The heat of the high-pressure air is conducted to the heat exchange body 110 and dissipated into the air through the heat exchange fins 111 outside the heat exchange body 110, thereby achieving heat dissipation of the high-pressure air and reducing its temperature. The high-pressure air after heat dissipation is discharged from the heat exchange channel 101 through the outlet 101B and is introduced into the molecular sieve of the oxygen generator. High-concentration oxygen is produced by the molecular sieve. Since the temperature of the high-pressure air after heat dissipation by the heat exchanger 10 is not too high, it can avoid affecting the working performance of the molecular sieve due to the high temperature of the high-pressure air introduced into the molecular sieve, thereby improving the stability of the oxygen production efficiency of the molecular sieve.
[0029] The heat exchanger 10 provided in this application is used to exchange heat with a heat medium that needs to be heated, so as to regulate the temperature of the heat medium. It can be applied in oxygen production equipment to cool down the high-pressure air produced by the compressor of the oxygen production equipment, and can also be applied in other scenarios that require heat exchange with a heat medium.
[0030] In some embodiments, the heat exchange channel 101 includes at least one heat exchange hole 1011, which penetrates the heat exchange body 110 along the first direction X. The at least one heat exchange hole 1011 is arranged at intervals and connected in sequence along the second direction Y. The at least one heat exchange hole 1011 is also connected to the inlet 101A and the outlet 101B respectively. The first direction X is perpendicular to the second direction Y.
[0031] The heat exchange hole 1011 serves as a channel through which the heat medium flows. The heat medium to be exchanged enters one of the heat exchange holes 1011 in the heat exchange channel 101 through the inlet 101A on the first end cover 120, and flows through the other heat exchange holes 1011 in sequence, and then exits the heat exchange channel 101 through the outlet 101B.
[0032] The heat exchange hole 1011 penetrates the heat exchange body along the first direction X. For example, the heat exchange hole 1011 may be parallel to the first direction X or intersect the first direction X. The heat exchange hole 1011 may extend along a straight line, a curve, or a broken line.
[0033] There is at least one heat exchange hole 1011. For example, there may be one, two, three, four, five or more heat exchange holes 1011. It can be understood that the more heat exchange holes 1011 there are, the longer the flow path of the heat medium, and therefore the better the heat exchange effect of the heat medium. Figure 3The diagram illustrates a case where there are five heat exchange holes 1011. When there is one heat exchange hole 1011, the end of the heat exchange hole 1011 facing the first end cap 120 in the first direction X is connected to the inlet 101A, and the end of the heat exchange hole 1011 facing the second end cap 130 in the first direction X is connected to the outlet 101B. When there are multiple heat exchange holes 1011, the outermost heat exchange hole 1011 in the second direction Y has its end facing the first end cap 120 in the first direction X connected to the inlet 101A, and the other outermost heat exchange hole 1011 in the second direction Y has its end facing the second end cap 130 in the first direction X connected to the outlet 101B.
[0034] In some embodiments, when the heat exchange body 110 is a plate-shaped structure with a certain thickness, the first direction X and the second direction Y can both be perpendicular to the thickness direction of the heat exchange body 110, and the first direction X and the second direction Y are perpendicular to each other.
[0035] Along the thickness direction of the heat exchange body 110, the heat exchange holes 1011 can be arranged in one layer or multiple layers to further improve the heat exchange effect. Considering that the heat transferred by the heat medium to the heat exchange body 110 can be dissipated through the heat exchange fins 111, the heat exchange channels 101 in the heat exchange body 110 only have, in the thickness direction of the heat exchange body 110, the heat exchange channels 101. Figure 4 When the layer shown is one, the internal structure of the heat exchanger body 110 is simpler and the heat exchange effect is better.
[0036] As can be seen, in the heat exchanger 10 of this application embodiment, the heat exchange channel 101 in the heat exchange body 110 includes at least one heat exchange hole 1011. The at least one heat exchange hole 1011 penetrates the heat exchange body 110 along the first direction X. The heat exchange channel 101 is easier to process and form in the heat exchange body 110. For example, each heat exchange hole 1011 of the heat exchange channel 101 can be obtained by subtractive processing of the heat exchange body 110, or by extrusion molding process, such as obtaining each heat exchange hole 1011 inside the heat exchange body 110 during the forming process of the heat exchange body 110.
[0037] This embodiment illustrates some of the structures of the heat exchange channel 101 within the heat exchange body 110. In other embodiments, the heat exchange channel 101 within the heat exchange body 110 may also have other structures.
[0038] In some embodiments, the plurality of heat exchange holes 1011 includes a first heat exchange hole 10111, a second heat exchange hole 10112, and at least one third heat exchange hole 10113. The at least one third heat exchange hole 10113 is respectively disposed between the first heat exchange hole 10111 and the second heat exchange hole 10112. One end of the first heat exchange hole 10111 facing the first end cap 120 is connected to the inlet 101A, and the other end of the first heat exchange hole 10111 is connected to an adjacent third heat exchange hole 10113. One end of the second heat exchange hole 10112 facing the second end cap 130 is connected to the outlet 101B, and the other end of the second heat exchange hole 10112 is connected to an adjacent third heat exchange hole 10113. The at least one third heat exchange hole 10113 is arranged at intervals along the second direction Y and is connected sequentially.
[0039] Wherein, the first heat exchange hole 10111 refers to one of the heat exchange holes 1011 located on the outermost side of the second direction Y, that is, the first heat exchange hole 10111 refers to the heat exchange hole 1011 connected to the inlet 101A; the second heat exchange hole 10112 refers to the other heat exchange hole 1011 located on the outermost side of the second direction Y, that is, the second heat exchange hole 10112 refers to the heat exchange hole 1011 connected to the outlet 101B; the third heat exchange hole 10113 refers to each heat exchange hole 1011 located on the second direction Y between the first heat exchange hole 10111 and the second heat exchange hole 10112.
[0040] The number of third heat exchange holes 10113 located in the second direction Y between the first heat exchange hole 10111 and the second heat exchange hole 10112 can be one or more. Figure 3 The illustration shows a case where there are three third heat exchange holes 10113 located between the first heat exchange hole 10111 and the second heat exchange hole 10112 in the second direction Y. In other embodiments, the number of third heat exchange holes 10113 located between the first heat exchange hole 10111 and the second heat exchange hole 10112 in the second direction Y can also be one, two, four, five, etc.
[0041] Thus, the heat medium to be exchanged flows through the inlet 101A through the first heat exchange hole 10111, then flows through each of the third heat exchange holes 10113 in sequence, and finally flows through the second heat exchange hole 10112 before being discharged from the heat exchanger 10 through the outlet 101B. When the heat medium flows through the heat exchange channel 101 in the heat exchanger 10, it can have a longer heat exchange path, and the heat exchanger 10 has a better heat exchange effect on the heat medium.
[0042] In some embodiments, the first end cap 120 is provided with a first connecting groove 1201 on the side facing the heat exchange body 110, and the second heat exchange hole 10112 and an adjacent third heat exchange hole 10113 are respectively connected to the first connecting groove 1201.
[0043] The first connecting groove 1201 can be formed by a partial recess on the side of the first end cap 120 facing the heat exchange body 110. The first connecting groove 1201 provided on the first end cap 120 is used to connect the second heat exchange hole 10112 and an adjacent third heat exchange hole 10113. In this way, the heat medium flowing through the third heat exchange hole 10113 can enter the first connecting groove 1201 towards the first end cap 120, and then enter the second heat exchange hole 10112 through the first connecting groove 1201, so as to facilitate the connection between the second heat exchange hole 10112 and an adjacent third heat exchange hole 10113.
[0044] In some embodiments, the second end cap 130 is provided with a second communication groove 1301 on the side facing the heat exchange body 110, and the first heat exchange hole 10111 and an adjacent third heat exchange hole 10113 are respectively connected to the second communication groove 1301.
[0045] The second connecting groove 1301 can be formed by a partial recess on the side of the second end cap 130 facing the heat exchange body 110. The second connecting groove 1301 provided on the second end cap 130 is used to connect the first heat exchange hole 10111 and an adjacent third heat exchange hole 10113. In this way, the heat medium flowing through the first heat exchange hole 10111 can enter the second connecting groove 1301 towards the second end cap 130, and then enter the third heat exchange hole 10113 adjacent to the first heat exchange hole 10111 via the second connecting groove 1301, so as to facilitate the connection between the first heat exchange hole 10111 and the adjacent third heat exchange hole 10113.
[0046] In some embodiments, the side of the first end cap 120 facing the heat exchange body 110 is provided with a third connecting groove 1202, and the side of the second end cap 130 facing the heat exchange body 110 is provided with a fourth connecting groove 1302. One of the third heat exchange holes 10113 and its adjacent third heat exchange hole 10113 are respectively connected to the third connecting groove 1202, and one of the third heat exchange holes 10113 and its adjacent third heat exchange hole 10113 are respectively connected to the fourth connecting groove 1302.
[0047] The third connecting groove 1202 can be formed by a partial recess on the side of the first end cover 120 facing the heat exchange body 110, and the fourth connecting groove 1302 can be formed by a partial recess on the side of the second end cover 130 facing the heat exchange body 110. The third connecting groove 1202 provided on the first end cover 120 serves as an intermediate connecting structure between two adjacent third heat exchange holes 10113 at the end facing the first end cover 120, and the fourth connecting groove 1302 provided on the second end cover 130 serves as an intermediate connecting structure between two adjacent third heat exchange holes 10113 at the end facing the second end cover 130. Any two adjacent third heat exchange holes 10113 are connected between the ends facing the first end cover 120 through the third connecting groove 1202 on the first end cover 120, and any two adjacent third heat exchange holes 10113 are connected between the ends facing the second end cover 130 through the fourth connecting groove 1302 on the second end cover 130. This facilitates the connection between two adjacent third heat exchange holes 10113, thereby enabling the sequential connection between the first heat exchange hole 10111, each of the third heat exchange holes 10113 and the second heat exchange hole 10112. This results in a meandering flow path for the heat medium as it flows through the heat exchange channel 101 within the heat exchange body 110. This meandering flow path can be S-shaped or Z-shaped. Therefore, within the limited space of the heat exchange body 110, the heat medium can have a longer flow path, and the heat exchange body 110 has a better heat exchange effect on the heat medium.
[0048] It can be understood that the first connecting groove 1201 and the third connecting groove 1202 on the first end cover 120 are spaced apart from the inlet 101A in the second direction Y. Similarly, the second connecting groove 1301 and the fourth connecting groove 1302 on the second end cover 130 are also spaced apart from the outlet 101B in the second direction Y. This allows the heat medium to enter the first heat exchange hole 10111 through the inlet 101A and then flow through the first heat exchange hole 10111, each of the third heat exchange holes 10113 and the second heat exchange hole 10112 in a detour before being discharged from the heat exchanger 10 through the outlet 101B.
[0049] In some embodiments, the first end cap 120 can be a plastic part. Plastic parts are less expensive and lighter than metal parts, thus the overall cost and weight of the heat exchanger 10 are lower. When the first end cap 120 is a plastic part, it can be formed by injection molding. The first end cap 120 can be detachably connected to one end of the heat exchange body 110 by a connector, or it can be connected to one end of the heat exchange body 110 by a non-detachable method such as welding or fusion.
[0050] In some embodiments, the second end cap 130 may also be a plastic part. Plastic parts are less expensive and lighter than metal parts, thus the overall cost and weight of the heat exchanger 10 are lower. When the second end cap 130 is a plastic part, it can be formed by injection molding. The second end cap 130 can be detachably connected to the other end of the heat exchange body 110 by a connector, or it can be connected to the other end of the heat exchange body 110 by welding, fusion or other non-detachable methods.
[0051] In the heat exchanger 10, either the first end cover 120 or the second end cover 130 may be made of plastic, or both the first end cover 120 and the second end cover 130 may be made of plastic.
[0052] In some embodiments, the first end cap 120 is provided with a first plug-in portion 121 at the end opposite to the heat exchange body 110, and the first plug-in portion 121 is connected to the inlet 101A.
[0053] Since the heat medium to be exchanged outside the heat exchanger 10 needs to flow into the heat exchange channel 101 through the inlet 101A on the first end cover 120, for example, the high-pressure air generated by the compressor of the oxygen generator needs to be introduced into the inlet 101A on the first end cover 120, in order to facilitate the high-pressure air discharged from the compressor's discharge pipe to enter the inlet 101A on the first end cover 120, a first insertion and removal part 121 is provided at the end of the first end cover 120 away from the heat exchange body 110, so as to facilitate the insertion and removal between the compressor's discharge pipe and the first end cover 120 of the heat exchanger 10.
[0054] The first insertion / extraction portion 121 can be configured as a hollow tube and protrude from the side of the first end cap 120 facing away from the heat exchange body 110. The surface of the first insertion / extraction portion 121 can also be provided with a multi-ring protrusion structure to increase the connection tightness.
[0055] The first end cap 120 can be manufactured as an integral structural component using injection molding, with a portion of the first end cap 120 itself serving as the first insertion / extraction part 121. In other embodiments, it is also possible that the first insertion / extraction part 121 and other parts of the first end cap 120 are separate structures.
[0056] In some embodiments, the second end cap 130 is provided with a second plug-in portion 131 at the end opposite to the heat exchange body 110, and the second plug-in portion 131 is connected to the outlet 101B.
[0057] Since the heat medium that has completed heat exchange in the heat exchanger 10 needs to flow out of the heat exchanger 10 through the outlet 101B on the second end cover 130 and into other equipment, for example, the heat medium (e.g., high-pressure air) flowing out of the heat exchanger 10 through the outlet 101B on the second end cover 130 needs to be introduced into the molecular sieve of the oxygen generator to prepare high-concentration oxygen, in order to facilitate the introduction of the high-pressure air flowing out of the outlet 101B on the second end cover 130 into the molecular sieve, a second insertion part 131 is provided at the end of the second end cover 130 away from the heat exchange body 110 to facilitate the insertion and removal between the second end cover 120 of the heat exchanger 10 and the molecular sieve inlet pipe.
[0058] The second plug-in portion 131 can be configured as a hollow tube and protrude from the side of the second end cap 130 facing away from the heat exchange body 110. The surface of the second plug-in portion 131 can also be provided with a multi-ring protrusion structure to increase the connection tightness.
[0059] The second end cap 120 can be manufactured as an integral structural component using injection molding, with a portion of the second end cap 130 itself serving as the second insertion / extraction part 131. In other embodiments, it is also possible that the second insertion / extraction part 131 and other parts of the second end cap 130 are separate structures.
[0060] In some embodiments, please refer to Figure 4 , Figure 4 yes Figure 1 The exploded view of the heat exchanger shows that the first end cap 120 is detachably connected to one end of the heat exchange body 110. This allows the first end cap 120 and the heat exchange body 110 to be processed separately and then assembled, facilitating disassembly and maintenance in case of airflow blockage or other malfunctions within the heat exchange body 110. In other embodiments, the first end cap 120 can also be fixedly connected to one end of the heat exchange body 110 by non-detachable methods such as welding or fusion.
[0061] In some embodiments, the second end cap 130 is detachably connected to the other end of the heat exchange body 110. This allows the second end cap 130 and the heat exchange body 110 to be processed separately before assembly, facilitating disassembly and maintenance in case of air passage blockage or other malfunctions within the heat exchange body 110. In other embodiments, the second end cap 130 may also be fixedly connected to the other end of the heat exchange body 110 by non-detachable methods such as welding or fusion.
[0062] In some embodiments, the first end cap 120 and the second end cap 130 are detachably connected to opposite ends of the heat exchange body 110, respectively. This allows for easier maintenance of the heat exchange body 110's interior by removing both the first end cap 120 and the second end cap 130. However, this application does not exclude the possibility that one of the first end cap 120 and the second end cap 130 is detachably connected to the heat exchange body 110, while the other is not detachable from it.
[0063] In some embodiments, see again Figure 3 and Figure 4 The heat exchange body 110 is provided with a connection hole 1120, which extends from one end of the heat exchange body 110 toward the first end cover 120 to the other end of the heat exchange body 110. When the first end cover 120 is detachably connected to one end of the heat exchange body 110, the heat exchanger 10 also includes a first fastener 140, which passes through the first end cover 120 and is locked in the connection hole 1120. And / or, when the second end cover 130 is detachably connected to the other end of the heat exchange body 110, the heat exchanger 10 also includes a second fastener 150, which passes through the second end cover 130 and is locked in the connection hole 1120.
[0064] The connecting hole 1120 serves as a component that connects the first end cap 120 and the heat exchange body 110. A first fastener 140 passes through the first end cap 120 and locks into the connecting hole 1120, thereby achieving the connection and locking between the first end cap 120 and the heat exchange body 110. At the same time, the connecting hole 1120 also serves as a component that connects the second end cap 130 and the heat exchange body 110. A second fastener 150 passes through the second end cap 130 and locks into the connecting hole 1120, thereby achieving the connection and locking between the second end cap 130 and the heat exchange body 110.
[0065] The connecting hole 1120 can be a threaded hole, and the first fastener 140 and the second fastener 150 can be threaded fasteners such as bolts, screws, and screws.
[0066] The connection hole 1120 can be provided in the connection portion 112 of the heat exchange body 110. The connection portion 112 is located in the edge region of the heat exchange body 110 in the second direction Y. The connection hole 1120 passes through the opposite ends of the connection portion 112 in the first direction X.
[0067] Corresponding to the connecting portion 112, the first end cover 120 has a first fastening portion 122, which is located in the edge region of the first end cover 120 in the second direction Y. The first fastening portion 122 is provided with a first fastening hole 1220. Therefore, when the first fastener 140 passes through the first fastening hole 1220 of the first fastening portion 122 on the first end cover 120 along the first direction X and is screwed into the connecting hole 1120 on the heat exchange body 110, the first end cover 120 and the heat exchange body 110 can be locked together. When it is necessary to remove the first end cover 120, the first fastener 140 is loosened and unscrewed from the connecting hole 1120 on the heat exchange body 110, and the first end cover 120 can be removed from the heat exchange body 110.
[0068] Corresponding to the connecting portion 112, the second end cover 130 has a second fastening portion 132, which is located in the edge region of the second end cover 130 in the second direction Y. The second fastening portion 132 is provided with a second fastening hole 1320. When the second fastener 150 passes through the second fastening hole 1320 of the second fastening portion 132 on the second end cover 130 along the first direction X and is screwed into the connecting hole 1120 on the heat exchange body 110, the second end cover 130 and the heat exchange body 110 are locked together. When it is necessary to remove the second end cover 130, the second fastener 150 is loosened and unscrewed from the connecting hole 1120 on the heat exchange body 110, thus removing the second end cover 130 from the heat exchange body 110.
[0069] Two connecting portions 112 can be provided along the second direction Y, with the two connecting portions 112 located at both ends of the heat exchange body 110 in the second direction Y. Correspondingly, two first fastening portions 122 can be provided along the second direction Y, with the two first fastening portions 122 located at both ends of the first end cover 120 in the second direction Y. Two first fasteners 140 can also be provided along the second direction Y, with the two first fasteners 140 passing through the two first fastening portions 122 and locking to the two connecting portions 112 respectively, to increase the locking effect between the first end cover 120 and the heat exchange body 110. Two second fastening portions 132 can be provided along the second direction Y, with the two second fastening portions 132 located at both ends of the heat exchange body 110 in the second direction Y. Two second fasteners 150 can also be provided along the second direction Y, with the two second fasteners 150 passing through the two second fastening portions 132 and locking to the two connecting portions 112 respectively, to increase the locking effect between the second end cover 130 and the heat exchange body 110.
[0070] As can be seen, in this embodiment, the first fastener 140, in conjunction with the connection hole 1120 on the heat exchange body 110, facilitates the detachable connection between the first end cap 120 and the heat exchange body 110, and the second fastener 150, in conjunction with the connection hole 1120 on the heat exchange body 110, facilitates the detachable connection between the second end cap 130 and the heat exchange body 110.
[0071] In some embodiments, when the first end cap 120 is detachably connected to one end of the heat exchange body 110, the heat exchanger 10 further includes a first seal 160, which is disposed between the heat exchange body 110 and the first end cap 120.
[0072] In this embodiment, since the first end cap 120 is detachably connected to one end of the heat exchange body 110, there may be a risk of sealing leakage at the connection between the first end cap 120 and the heat exchange body 110. Providing a first sealing element 160 between the heat exchange body 110 and the first end cap 120 can increase the sealing performance at the connection between the first end cap 120 and the heat exchange body 110, reducing the risk of sealing leakage. The first sealing element 160 can be made of soft, elastic materials such as rubber or silicone to enhance the sealing effect.
[0073] It can be understood that the first seal 160 needs to avoid the heat exchange channel 101. Specifically, the first seal 160 needs to avoid the ends of each heat exchange hole 1011 facing the first end cover 120, so as to reduce the interference and obstruction of the first seal 160 on the flow of heat medium into and out of each heat exchange hole 1011.
[0074] Specifically, the first sealing member 160 is provided with a first clearance hole 1601, a second clearance hole 1602 and a third clearance hole 1603 spaced apart along the second direction Y. The first clearance hole 1601 is aligned with the inlet 101A provided on the first end cover 120, so that the heat medium entering through the inlet 101A can pass through the first clearance hole 1601 on the first sealing member 160 and flow into the first heat exchange hole 10111. The second clearance hole 1602 is aligned with the second connecting groove 1202 on the first end cover 120, and the third clearance hole 1603 is aligned with the first connecting groove 1201 on the first end cover 120.
[0075] In some embodiments, when the second end cap 130 is detachably connected to the other end of the heat exchange body 110, the heat exchanger 10 further includes a second seal 170, which is disposed between the heat exchange body 110 and the second end cap 130.
[0076] In this embodiment, since the second end cap 130 is detachably connected to the other end of the heat exchange body 110, there may be a risk of sealing leakage at the connection between the second end cap 130 and the heat exchange body 110. Providing a second sealing element 170 between the heat exchange body 110 and the second end cap 130 can increase the sealing performance at the connection between the second end cap 130 and the heat exchange body 110, reducing the risk of sealing leakage. The second sealing element 170 can be made of soft, elastic materials such as rubber or silicone to enhance the sealing effect.
[0077] It can be understood that the second seal 170 needs to avoid the heat exchange passage 101. Specifically, the second seal 170 needs to avoid the ends of each heat exchange hole 1011 facing the second end cap 130, so as to reduce the interference and obstruction of the first seal 160 on the flow of the heat medium into and out of each heat exchange hole 1011.
[0078] Specifically, the second seal 170 is provided with a fourth clearance hole 1701, a fifth clearance hole 1702 and a sixth clearance hole 1703 spaced apart along the second direction Y. The fourth clearance hole 1701 is aligned with the outlet 101B provided on the second end cover 130, so that the heat medium in the second heat exchange hole 10112 can pass through the fourth clearance hole 1701 provided on the second seal 170 and then flow to the outlet 101B. The fifth clearance hole 1702 is aligned with the fourth connecting groove 1302 provided on the second end cover 130, and the sixth clearance hole 1703 is aligned with the second connecting groove 1301 provided on the second end cover 130.
[0079] In some embodiments, the first end cap 120 and the second end cap 130 are respectively disposed at both ends of the heat exchange body 110 along the first direction X; the number of heat exchange fins 111 is at least one, the at least one heat exchange fin 111 extends along the first direction X, and the at least one heat exchange fin 111 is arranged at intervals along the second direction Y; wherein, the first direction X and the second direction Y are perpendicular to each other.
[0080] In this embodiment, the heat exchange fins 111 outside the heat exchange body 110 are multiple sheet-like structures of a certain length arranged at intervals, so that the heat exchange body 110 of this application can have a large heat exchange area and a good heat exchange effect on the heat medium flowing through the heat exchange channel 101 inside the heat exchange body 110.
[0081] When the heat exchange channel 101 within the heat exchange body 110 has the following specific structure: the heat exchange channel 101 includes at least one heat exchange hole 1011, the at least one heat exchange hole 1011 penetrates the heat exchange body 110 along a first direction X, the at least one heat exchange hole 1011 is sequentially spaced and connected along a second direction Y, and the at least one heat exchange hole 1011 is also connected to an inlet 101A and an outlet 101B, the extension direction of the heat exchange fins 111 in this embodiment is parallel to the extension direction of the heat exchange holes 1011. This facilitates the overall forming of the heat exchange body 110, for example, by using a profile forming process (specifically, a profile extrusion process) for integral forming. The profile extrusion process refers to the process of passing liquid raw materials through a die under the strong pressure of an extruder to form a profile product of the required shape, which then solidifies and hardens to become the desired profile product. In other embodiments, it is also possible that the extending direction of the heat exchange fin 111 intersects with the extending direction of the heat exchange hole 1011. In this case, the heat exchange fin 111 can be formed by subtractive or additive manufacturing processes on the surface of the heat exchange body 110.
[0082] When the heat exchanger body 110 is a plate-like structure with a certain thickness, heat exchange fins 111 can be disposed on the surface of the heat exchanger body 110 in its thickness direction. Since the surface of the heat exchanger body 110 in its thickness direction has a large area, disposing of heat exchange fins 111 on the surface of the heat exchanger body 110 in its thickness direction can form a large number of heat exchange fins 111, thereby having a large heat exchange area. Specifically, heat exchange fins 111 can be formed on one surface of the heat exchanger body 110 in its thickness direction, or heat exchange fins 111 can be formed on both surfaces of the heat exchanger body 110 in its thickness direction, to further increase the number of heat exchange fins 111, thereby further increasing the heat exchange area.
[0083] This application also provides an oxygen generating device, which includes a compressor, a molecular sieve, and a heat exchanger, wherein the heat exchanger is connected between the compressor and the molecular sieve.
[0084] The compressor is used to generate high-pressure air, which is then passed into the molecular sieve. The molecular sieve adsorbs nitrogen, thereby increasing the oxygen concentration and releasing high-concentration oxygen.
[0085] Because the high-pressure air produced by the compressor is at a high temperature, the temperature of the high-pressure air entering the molecular sieve during operation is also high. This reduces the performance of the molecular sieve and consequently affects the oxygen production efficiency of the oxygen generator. A heat exchanger is used to exchange heat with the high-pressure air produced by the compressor, thereby reducing the temperature of the high-pressure air entering the molecular sieve. The high-pressure air involved in this application is the heat medium mentioned above.
[0086] The specific structure of the heat exchanger is as described in the above embodiment. Specifically, the high-temperature high-pressure air produced by the compressor enters the heat exchange channel 101 through the inlet 101A of the heat exchanger 10 for heat exchange, thereby reducing the temperature of the high-pressure air. The high-pressure air after heat exchange is discharged from the outlet 101B of the heat exchanger 10 and passed into the molecular sieve for oxygen production.
[0087] Since this oxygen generating device adopts all the technical solutions of the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be repeated here.
[0088] The terms "first," "second," and "third" in this application are used for descriptive purposes only and should not be construed as indicating the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of those features. All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationships and movement of the components in a specific orientation (as shown in the figures). If the specific orientation changes, the directional indications will also change accordingly. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.
[0089] The above description is merely an embodiment of this application and does not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.
Claims
1. A heat exchanger, characterized by, The heat exchanger comprises: a heat exchange body, which is internally provided with a heat exchange channel; a heat exchange fin, which is arranged outside the heat exchange body; a first end cover, which is arranged at one end of the heat exchange body and is provided with an inlet port communicating with the heat exchange channel; a second end cover, which is arranged at the other end of the heat exchange body and is provided with an outlet port communicating with the heat exchange channel.
2. The heat exchanger according to claim 1, wherein: the heat exchange channel comprises at least one heat exchange hole, which respectively penetrates the heat exchange body along a first direction, and which are sequentially and spacedly arranged along a second direction and sequentially communicated, and which are respectively communicated with the inlet port and the outlet port; wherein the first direction is perpendicular to the second direction.
3. The heat exchanger according to claim 2, wherein: the at least one heat exchange hole comprises a first heat exchange hole, a second heat exchange hole and at least one third heat exchange hole, which are respectively arranged between the first heat exchange hole and the second heat exchange hole; one end of the first heat exchange hole towards the first end cover is communicated with the inlet port, and the other end of the first heat exchange hole is communicated with one of the third heat exchange holes adjacent thereto; one end of the second heat exchange hole towards the second end cover is communicated with the outlet port, and the other end of the second heat exchange hole is communicated with one of the third heat exchange holes adjacent thereto; the at least one third heat exchange hole are sequentially and spacedly arranged along the second direction and sequentially communicated.
4. The heat exchanger according to claim 3, wherein: one side of the first end cover towards the heat exchange body is provided with a first communication groove, and the second heat exchange hole and one of the third heat exchange holes adjacent thereto are respectively communicated with the first communication groove; and / or, one side of the second end cover towards the heat exchange body is provided with a second communication groove, and the first heat exchange hole and one of the third heat exchange holes adjacent thereto are respectively communicated with the second communication groove; and / or, one side of the first end cover towards the heat exchange body is provided with a third communication groove, and one side of the second end cover towards the heat exchange body is provided with a fourth communication groove, one of the third heat exchange holes and one of the third heat exchange holes adjacent thereto are respectively communicated with the third communication groove, and one of the third heat exchange holes and another one of the third heat exchange holes adjacent thereto are respectively communicated with the fourth communication groove.
5. The heat exchanger according to any one of claims 1-4, wherein: one end of the first end cover away from the heat exchange body is provided with a first plug-in part, and the first plug-in part is communicated with the inlet port; and / or, one end of the second end cover away from the heat exchange body is provided with a second plug-in part, and the second plug-in part is communicated with the outlet port.
6. The heat exchanger according to claim 1, wherein: the first end cover is detachably connected to one end of the heat exchange body; and / or, the second end cover is detachably connected to the other end of the heat exchange body.
7. The heat exchanger according to claim 6, wherein: The heat exchange main body is provided with a connecting hole, the connecting hole extends from the heat exchange main body to one end of the first end cover and to the other end of the heat exchange main body; The heat exchanger further comprises a first fastener, the first fastener passes through the first end cover and is locked in the connecting hole; and / or, The heat exchanger further comprises a second fastener, the second fastener passes through the second end cover and is locked in the connecting hole.
8. The heat exchanger according to any one of claims 6-7, wherein, The heat exchanger further comprises a first sealing member, the first sealing member is arranged between the heat exchange main body and the first end cover; and / or, The heat exchanger further comprises a second sealing member, the second sealing member is arranged between the heat exchange main body and the second end cover.
9. The heat exchanger according to claim 1 or 2, wherein, The first end cover and the second end cover are respectively arranged at two ends of the heat exchange main body along a first direction; The number of the heat exchange fins is at least one, the at least one heat exchange fin respectively extends along the first direction, and the at least one heat exchange fin is sequentially and spacedly arranged along a second direction; Wherein, the first direction and the second direction are perpendicular to each other.
10. An oxygen generating apparatus, characterized by comprising: Comprise: A compressor; A molecular sieve; The heat exchanger according to any one of claims 1-9, the heat exchanger is connected between the compressor and the molecular sieve.