Heat exchanger and water dispenser

Abstract

The utility model discloses a heat exchanger and a water dispenser, and belongs to the technical field of heat exchange equipment. The water path partition plate is connected with the first cover plate, the water path partition plate is provided with a first protruding part protruding in the direction opposite to the first cover plate, the first protruding part is provided with a first drainage groove with an opening facing the first cover plate, and the first cover plate seals the opening of the first drainage groove so as to jointly define a first flow channel; the second cover plate is connected with the water path partition plate, the water path partition plate is clamped between the second cover plate and the first cover plate, the second cover plate is provided with a second protruding part protruding in the direction opposite to the water path partition plate, the second protruding part is provided with a second drainage groove with an opening facing the water path partition plate, the first protruding part is arranged in the second drainage groove, and the water path partition plate seals the opening of the second drainage groove; therefore, the size of the heat exchanger is reduced, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange equipment, in particular to a heat exchanger and a water dispenser. Background Art

[0002] The heat exchanger of a water dispenser is mainly used to realize the heat exchange between hot water and cold water, so that the cold water is heated up to save energy and the hot water is cooled down to obtain warm water with a moderate temperature.

[0003] In the related art, the heat exchangers of water dispensers generally have the defects of large volume and high cost, and have relatively high requirements for the internal space layout of water dispensers. Summary of the Utility Model

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a heat exchanger, which is beneficial to reducing the volume of the heat exchanger and lowering the cost.

[0005] The utility model also provides a water dispenser.

[0006] The heat exchanger according to the first aspect embodiment of the utility model includes: a first cover plate; a waterway partition plate connected to the first cover plate. The waterway partition plate has a first convex portion protruding in a direction away from the first cover plate. The first convex portion has a first drainage groove with an opening facing the first cover plate. The first cover plate closes the opening of the first drainage groove to jointly define a first flow channel; a second cover plate connected to the waterway partition plate. The waterway partition plate is clamped between the second cover plate and the first cover plate. The second cover plate has a second convex portion protruding in a direction away from the waterway partition plate. The second convex portion has a second drainage groove with an opening facing the waterway partition plate. The first convex portion is disposed in the second drainage groove. The waterway partition plate closes the opening of the second drainage groove to jointly define a second flow channel.

[0007] The heat exchanger according to the embodiments of the present utility model has at least the following beneficial effects: The heat exchanger includes a first cover plate, a water channel partition plate, and a second cover plate that are stacked in sequence. The water channel partition plate has a first convex portion that protrudes in a direction away from the first cover plate. The first convex portion has a first drainage groove that opens towards the first cover plate. After the first cover plate is closely attached to the water channel partition plate, the first cover plate can close the opening of the first drainage groove to jointly define a first flow channel. The second cover plate has a second convex portion that protrudes in a direction away from the water channel partition plate. The second convex portion has a second drainage groove that opens towards the water channel partition plate. After the water channel partition plate is closely attached to the second cover plate, the water channel partition plate can close the opening of the second drainage groove to jointly define a second flow channel. And the first convex portion is arranged in the second drainage groove, that is, the first flow channel and the second flow channel share the water channel partition plate. One of cold water and hot water can flow through the first flow channel, and the other of cold water and hot water can flow through the second flow channel, so that heat exchange between cold water and hot water is realized at the water channel partition plate, the cold water is heated, which is beneficial to saving the energy required for heating the cold water, and the hot water is cooled to obtain warm water with a moderate temperature. By connecting the first cover plate, the water channel partition plate, and the second cover plate, the first flow channel and the second flow channel capable of realizing heat exchange can be formed. The structure is simple and the processing is convenient. After the first cover plate, the water channel partition plate, and the second cover plate are stacked in sequence, a flat combination body is formed, which is beneficial to reducing the volume of the heat exchanger, making it easier to arrange the heat exchanger inside the water dispenser, and making the internal structure of the water dispenser applying the heat exchanger more compact.

[0008] According to some embodiments of the present utility model, the side wall surface of the first convex portion facing away from the first cover plate is spaced from the inner wall surface of the second drainage groove, and the second flow channel is arranged to surround the first flow channel.

[0009] The side wall surface of the first convex portion facing away from the first cover plate is spaced from the inner wall surface of the second drainage groove, so that the second flow channel is arranged to surround the first flow channel. The liquid flowing in the second flow channel can fill the gap between the side wall surface of the first convex portion and the inner wall surface of the second drainage groove, so that the second flow channel can make full use of the side wall surface and the end surface of the first convex portion to realize heat exchange with the first flow channel, which is beneficial to improving the heat exchange efficiency of the heat exchanger and improving the heat exchange efficiency between the first flow channel and the second flow channel.

[0010] According to some embodiments of the present utility model, the first cover plate has a third convex portion that protrudes towards the first drainage groove, and the third convex portion is arranged in the first drainage groove.

[0011] Specifically, the first cover plate has a third convex portion protruding toward the first drain groove, and the third convex portion is disposed within the first drain groove. By providing the third convex portion, it is beneficial to control the cross-sectional area of the first flow channel, such that the cross-sectional area of the first flow channel is adapted to the cross-sectional area of the second flow channel, and the flow rate of the liquid in the first flow channel is adapted to the flow rate of the liquid in the second flow channel. By controlling the flow rate of the liquid in the first flow channel and the flow rate of the liquid in the second flow channel, it is beneficial to enable the liquid in the first flow channel and the liquid in the second flow channel to achieve sufficient heat exchange, beneficial to heating the cold water, beneficial to saving the energy required for heating the cold water, cooling the hot water, so as to obtain warm water with a moderate temperature.

[0012] According to some embodiments of the present utility model, a bent section is provided at an end of the first convex portion away from the first cover plate. The first convex portion is separated along the bent section to form a first groove and a second groove. The opening direction of the first groove is opposite to the opening direction of the second groove, and at least one side wall of the first groove shares with the second groove.

[0013] A bent section is provided at an end of the first convex portion away from the first cover plate. Specifically, the first convex portion is separated along the bent section to form a first groove and a second groove, and the opening direction of the first groove is opposite to the opening direction of the second groove, that is, one of the first groove and the second groove communicates with the first flow channel, and the other of the first groove and the second groove communicates with the second flow channel. At least one wall surface of the first groove shares with the second groove, that is, the end of the first convex portion away from the first cover plate is wavy. By providing the first groove and the second groove, it is beneficial to increase the contact area between the liquid in the first flow channel and the liquid in the second flow channel and the water channel partition plate, beneficial to increasing the heat exchange area between the liquid in the first flow channel and the liquid in the second flow channel and the water channel partition plate, so as to improve the heat exchange efficiency between the first flow channel and the second flow channel.

[0014] According to some embodiments of the present utility model, the extension path of the first drain groove coincides with the extension path of the second drain groove, and the extension path of the first drain groove includes a plurality of connected drain portions.

[0015] Specifically, the extension path of the first drain groove coincides with the extension path of the second drain groove, such that the liquid flowing along the first drain groove can fully exchange heat with the liquid flowing along the second drain groove. The extension path of the first drain groove includes a plurality of connected drain portions, that is, after the liquid enters the first drain groove, the liquid needs to flow through a plurality of drain portions in sequence. While the liquid flows through the plurality of drain portions, the liquid in the first drain groove exchanges heat with the liquid in the second drain groove at all times, which is beneficial to making the heat exchange between the liquid in the first flow channel and the liquid in the second flow channel more sufficient, beneficial to heating the cold water, beneficial to saving the energy required for heating the cold water, cooling the hot water, so as to obtain warm water with a moderate temperature.

[0016] According to some embodiments of the present utility model, the drainage part includes a plurality of arc-shaped grooves and a plurality of strip-shaped grooves arranged at intervals, and each adjacent pair of strip-shaped grooves is communicated with an arc-shaped groove.

[0017] Specifically, the drainage part includes a plurality of arc-shaped grooves and a plurality of strip-shaped grooves arranged at intervals, and each adjacent pair of strip-shaped grooves is communicated with an arc-shaped groove. That is, through the communication between the plurality of arc-shaped grooves and the plurality of strip-shaped grooves, the extending path of the drainage part is bent, which is beneficial to extending the flow path of the liquid in the drainage part, facilitating the full heat exchange between the liquid in the first flow channel and the liquid in the second flow channel, facilitating the heating of the cold water, saving the energy required for heating the cold water, cooling the hot water, so as to obtain warm water with a moderate temperature.

[0018] According to some embodiments of the present utility model, the heat exchanger includes a partition part, the partition part is arranged between two drainage parts, and the partition part includes a first strip-shaped hole arranged on the first cover plate, a second strip-shaped hole arranged on the water channel partition plate, and a third strip-shaped hole arranged on the second cover plate.

[0019] Specifically, in order to enhance the heat guiding effect and reduce the heat dissipation in other areas of the first cover plate, the water channel partition plate or the second cover plate, the heat exchanger further includes a partition part, the partition part is arranged between two drainage parts, which is beneficial to blocking the direct heat exchange between the two drainage parts. The partition part includes a first strip-shaped hole arranged on the first cover plate, a second strip-shaped hole arranged on the water channel partition plate, and a third strip-shaped hole arranged on the second cover plate. The setting of the first strip-shaped hole is beneficial to blocking the heat transfer in the radial direction of the first cover plate along the first strip-shaped hole, the setting of the second strip-shaped hole is beneficial to blocking the heat transfer in the radial direction of the water channel partition plate along the second strip-shaped hole, and the setting of the third strip-shaped hole is beneficial to blocking the heat transfer in the radial direction of the second cover plate along the third strip-shaped hole. Through the setting of the partition part, the heat exchanger is beneficial to blocking the direct transfer of heat between the two drainage parts, facilitating the heat exchange between the liquid in the first flow channel and the liquid in the second flow channel while flowing, so as to improve the heat exchange efficiency between the liquid in the first flow channel and the liquid in the second flow channel.

[0020] According to some embodiments of the present utility model, the first strip-shaped hole, the second strip-shaped hole and the third strip-shaped hole coincide in sequence.

[0021] Specifically, the first strip-shaped hole, the second strip-shaped hole, and the third strip-shaped hole coincide in sequence. The setting of the first strip-shaped hole is conducive to blocking the heat transfer in the direction of the radius of the first cover plate along the first strip-shaped hole. The setting of the second strip-shaped hole is conducive to blocking the heat transfer in the direction of the radius of the water channel partition along the second strip-shaped hole. The setting of the third strip-shaped hole is conducive to blocking the heat transfer in the direction of the radius of the second cover plate along the third strip-shaped hole. The first strip-shaped hole, the second strip-shaped hole, and the third strip-shaped hole coincide in sequence, which is conducive to enhancing the heat blocking effect of the partition part, blocking the direct heat transfer between the two drainage parts, and enabling the liquid in the first flow channel and the liquid in the second flow channel to exchange heat while flowing, so as to improve the heat exchange efficiency between the liquid in the first flow channel and the liquid in the second flow channel.

[0022] According to some embodiments of the present invention, water passing holes are communicated at both ends of the first cover plate along the first flow channel and at both ends of the second cover plate along the second flow channel, and both the first cover plate and the second cover plate are connected with water pipe joints communicated with the water passing holes.

[0023] Specifically, water passing holes are communicated at both ends of the first cover plate along the first flow channel, water passing holes are communicated at both ends of the second cover plate along the second flow channel, and both the first cover plate and the second cover plate are connected with water pipe joints communicated with the water passing holes. The first cover plate can be connected with an external water pipe through the water pipe joint so that one of cold water and hot water flows through the first flow channel. The second cover plate can be connected with an external water pipe through the water pipe joint so that the other of cold water and hot water flows through the second flow channel, so that the liquid in the first flow channel and the liquid in the second flow channel exchange heat. The setting of the water pipe joint is conducive to reducing the difficulty of connecting the first cover plate or the second cover plate with the external water pipe and improving the sealing performance of the connection between the first cover plate or the second cover plate and the external water pipe.

[0024] The water dispenser according to the second aspect embodiment of the present invention includes the heat exchanger shown in any one of the first aspects.

[0025] The water dispenser according to the embodiment of the present utility model has at least the following beneficial effects: The water dispenser includes the heat exchanger shown in any item of the first aspect. The heat exchanger includes a first cover plate, a water channel partition plate, and a second cover plate stacked in sequence. The water channel partition plate has a first convex portion protruding in a direction away from the first cover plate. The first convex portion has a first drainage groove opening towards the first cover plate. After the first cover plate is closely attached to the water channel partition plate, the first cover plate can close the opening of the first drainage groove to jointly define a first flow channel. The second cover plate has a second convex portion protruding in a direction away from the water channel partition plate. The second convex portion has a second drainage groove opening towards the water channel partition plate. After the water channel partition plate is closely attached to the second cover plate, the water channel partition plate can close the opening of the second drainage groove to jointly define a second flow channel. And the first convex portion is arranged in the second drainage groove, that is, the first flow channel and the second flow channel share the water channel partition plate. One of cold water and hot water can flow through the first flow channel, and the other of cold water and hot water can flow through the second flow channel, so that heat exchange is realized between cold water and hot water at the water channel partition plate, the cold water is heated, which is beneficial to saving the energy required for heating the cold water, and the hot water is cooled to obtain warm water with a moderate temperature. Through the connection of the first cover plate, the water channel partition plate and the second cover plate, the first flow channel and the second flow channel capable of realizing heat exchange can be formed. The structure is simple and the processing is convenient. After the first cover plate, the water channel partition plate and the second cover plate are stacked in sequence, a flat combination body is formed, which is beneficial to reducing the volume of the heat exchanger, making it easier to arrange the heat exchanger inside the water dispenser, and making the internal structure of the water dispenser applying the heat exchanger more compact.

[0026] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The following further describes the present utility model with reference to the drawings and embodiments, where:

[0028] Figure 1 is a schematic structural diagram of the separation of the first cover plate, the water channel partition plate and the second cover plate of the heat exchanger according to an embodiment of the present utility model;

[0029] Figure 2 is a schematic structural diagram of the first cover plate of the heat exchanger according to an embodiment of the present utility model;

[0030] Figure 3 is a schematic structural diagram of the water channel partition plate of the heat exchanger according to an embodiment of the present utility model;

[0031] Figure 4 is Figure 3 a schematic structural diagram of the other end face of the water channel partition plate of the heat exchanger shown in ;

[0032] Figure 5Structural schematic diagram of the second cover plate of a heat exchanger according to an embodiment of the present utility model;

[0033] Figure 6 For Figure 5 Structural schematic diagram of the other end face of the second cover plate of the heat exchanger shown in

[0034] Figure 7 Cross-sectional view of a heat exchanger according to an embodiment of the present utility model in a combined state;

[0035] Figure 8 For Figure 7 Local enlarged view of part A of the heat exchanger shown in

[0036] Figure 9 Structural schematic diagram of a water pipe joint added to the first cover plate of a heat exchanger according to an embodiment of the present utility model;

[0037] Figure 10 Structural schematic diagram of a water pipe joint added to the second cover plate of a heat exchanger according to an embodiment of the present utility model.

[0038] Reference numerals in the drawings:

[0039] 100, first cover plate; 110, third convex part; 120, first strip-shaped hole;

[0040] 200, water channel partition; 210, first convex part; 211, first drainage groove; 2111, strip-shaped groove; 2112, arc-shaped groove; 212, first groove; 213, second groove; 220, second strip-shaped hole;

[0041] 300, second cover plate; 310, second convex part; 311, second drainage groove; 320, third strip-shaped hole;

[0042] 400, first flow channel;

[0043] 500, second flow channel;

[0044] 600, water passing port;

[0045] 700, water pipe joint. Detailed implementation manners

[0046] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0047] In the description of the present utility model, it should be understood that regarding the orientation description, such as the upper and lower directions, the orientation or positional relationship indicated is based on the orientation or positional relationship 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 orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0048] In the description of the present utility model, "a plurality of" refers to more than two. If there is a description of the first and the second, it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features or implicitly specifying the sequence relationship of the indicated technical features.

[0049] In the description of the present utility model, unless otherwise clearly defined, terms such as "arrangement", "installation", and "connection" should be understood in a broad sense. Those skilled in the relevant technical field can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0050] Referring to Figures 1 to 10 As shown, a heat exchanger according to an embodiment of the present utility model includes: a first cover plate 100, a water channel partition 200, and a second cover plate 300. The following will take the example where the first cover plate 100, the water channel partition 200, and the second cover plate 300 are stacked in sequence from bottom to top for illustration.

[0051] Referring to Figure 1 、 Figure 7 and Figure 8 As shown, among them, the water channel partition 200 is connected to the first cover plate 100, and the water channel partition 200 has a first convex portion 210 protruding in a direction away from the first cover plate 100, that is, the water channel partition 200 has a first convex portion 210 protruding upward. The first convex portion 210 has a first drainage groove 211 with an opening facing the first cover plate 100, that is, the opening of the first drainage groove 211 is open downward. After the first cover plate 100 is connected to the water channel partition 200, the first cover plate 100 closes the opening of the first drainage groove 211. The first cover plate 100 and the first drainage groove 211 of the water channel partition 200 jointly define a first flow channel 400.

[0052] Referring to Figure 1 、 Figure 7 and Figure 8As shown, the waterway partition 200 is connected to the second cover plate 300. The waterway partition 200 is clamped between the first cover plate 100 and the second cover plate 300. The second cover plate 300 has a second convex portion 310 that protrudes in a direction away from the waterway partition 200, that is, the second cover plate 300 has an upwardly protruding second convex portion 310. The second convex portion 310 has a second drainage groove 311 with an opening facing the waterway partition 200. The opening of the second drainage groove 311 is arranged to be open downward. After the waterway partition 200 is connected to the second cover plate 300, the waterway partition 200 can close the opening of the second drainage groove 311. The waterway partition 200 and the second drainage groove 311 of the second cover plate 300 jointly define the second flow channel 500.

[0053] Referring to Figure 7 and Figure 8 shown, and the first convex portion 210 is arranged in the second drainage groove 311, that is, the first flow channel 400 and the second flow channel 500 share the waterway partition 200. One of cold water and hot water can flow through the first flow channel 400, and the other of cold water and hot water can flow through the second flow channel 500, so that heat exchange between cold water and hot water is realized at the waterway partition 200, the cold water is heated, which is beneficial to saving the energy required for heating the cold water, and the hot water is cooled to obtain warm water with a moderate temperature.

[0054] Through the connection of the first cover plate 100, the waterway partition 200 and the second cover plate 300, the heat exchanger can form the first flow channel 400 and the second flow channel 500 that can realize heat exchange. The structure is simple and the processing is convenient. After the first cover plate 100, the waterway partition 200 and the second cover plate 300 are stacked in sequence, a flat combination body is formed, which is beneficial to reducing the volume of the heat exchanger, making it easier to arrange the heat exchanger inside the water dispenser, and making the internal structure of the water dispenser applying the heat exchanger more compact.

[0055] Referring to Figure 3 、 Figure 4 、 Figure 7 and Figure 8 shown, it can be understood that the side wall surface of the first convex portion 210 facing away from the first cover plate 100 is spaced from the inner wall surface of the second drainage groove 311, and the second flow channel 500 is arranged to surround the first flow channel 400. The liquid flowing in the second flow channel 500 can fill the gap between the side wall surface of the first convex portion 210 and the inner wall surface of the second drainage groove 311, so that the second flow channel 500 can make full use of the side wall surface and the end surface of the first convex portion 210 to realize heat exchange with the first flow channel 400, which is beneficial to improving the heat exchange efficiency of the heat exchanger and the heat exchange efficiency between the first flow channel 400 and the second flow channel 500.

[0056] Referring to Figure 3 、 Figure 4 、 Figure 7 and Figure 8 ​As shown, specifically, the first convex portion 210 has a contraction section that gradually contracts in a direction away from the first cover plate 100, that is, the contraction section gradually narrows from bottom to top, so that the distance between the side wall surface of the first convex portion 210 along the contraction section and the inner wall surface of the second drainage groove 311 gradually increases from bottom to top, so that the second flow channel 500 is arranged to surround the first flow channel 400, so that the second flow channel 500 can make full use of the side wall surface and end surface of the first convex portion 210 to achieve heat exchange with the first flow channel 400, which is beneficial to improving the heat exchange efficiency of the heat exchanger and improving the heat exchange efficiency between the first flow channel 400 and the second flow channel 500.

[0057] It should be understood that in some other embodiments, the side wall surface of the first convex portion 210 facing away from the first cover plate 100 is vertically arranged, the first convex portion 210 is located in the second drainage groove 311, the side wall surface of the first convex portion 210 facing away from the first cover plate 100 is spaced from the inner wall surface of the second drainage groove 311, and the second flow channel 500 is arranged to surround the first flow channel 400. The liquid flowing in the second flow channel 500 can fill the gap between the side wall surface of the first convex portion 210 and the inner wall surface of the second drainage groove 311, so that the second flow channel 500 can make full use of the side wall surface and end surface of the first convex portion 210 to achieve heat exchange with the first flow channel 400, which is beneficial to improving the heat exchange efficiency of the heat exchanger and improving the heat exchange efficiency between the first flow channel 400 and the second flow channel 500.

[0058] Refer to Figure 1 、 Figure 2 and Figure 7 As shown, it can be understood that in this embodiment, the first cover plate 100 has a third convex portion 110 protruding toward the first drainage groove 211, and the third convex portion 110 is arranged in the first drainage groove 211. By arranging the third convex portion 110, it is beneficial to control the cross-sectional area of the first flow channel 400, so that the cross-sectional area of the first flow channel 400 is adapted to the cross-sectional area of the second flow channel 500, so that the flow rate of the liquid in the first flow channel 400 is adapted to the flow rate of the liquid in the second flow channel 500. By controlling the flow rate of the liquid in the first flow channel 400 and the flow rate of the liquid in the second flow channel 500, it is beneficial to make the liquid in the first flow channel 400 and the liquid in the second flow channel 500 exchange heat fully, beneficial to heating the cold water, beneficial to saving the energy required for heating the cold water, cooling the hot water, so as to obtain warm water with a moderate temperature.

[0059] Specifically, the shapes of the first cover plate 100, the water channel partition 200 and the second cover plate 300 can be obtained by processes such as sheet metal stamping, stretching or casting, so that the third convex portion 110 is formed on the first cover plate 100, the first convex portion 210 is formed on the water channel partition 200, and the second convex portion 310 is formed on the second cover plate 300.

[0060] Refer to Figure 3 、Figure 4 , Figure 7 and Figure 8 As shown in Figure 7 , Figure 8 , it can be understood that a bending section is provided at the end of the first convex portion 210 away from the first cover plate 100. The first convex portion 210 is separated along the bending section to form a first groove 212 and a second groove 213. The opening direction of the first groove 212 is opposite to the opening direction of the second groove 213. For example, if the opening direction of the first groove 212 is upward, the opening direction of the second groove 213 is downward, that is, the first groove 212 communicates with the second flow channel 500, and the second groove 213 communicates with the first flow channel 400.

[0061] Referring to Figure 3 , Figure 4 , Figure 7 and Figure 8 As shown in Figure 3 , Figure 4 , Figure 7 , Figure 8 , specifically, the end of the first convex portion 210 away from the first cover plate 100 is separated to form a plurality of first grooves 212 and a plurality of second grooves 213. The plurality of first grooves 212 and the plurality of second grooves 213 are arranged in an alternating manner, and at least one side wall of the first groove 212 is shared with the second groove 213.

[0062] Referring to Figure 3 , Figure 4 , Figure 7 and Figure 8 As shown in Figure 3 , Figure 4 , Figure 7 , Figure 8 , that is, the end of the first convex portion 210 away from the first cover plate 100 is wavy. Through the arrangement of the first groove 212 and the second groove 213, it is beneficial to increase the contact area between the liquid in the first flow channel 400 and the liquid in the second flow channel 500 and the water channel partition 200, that is, to increase the heat exchange area between the liquid in the first flow channel 400 and the liquid in the second flow channel 500 and the water channel partition 200, so as to improve the heat exchange efficiency between the first flow channel 400 and the second flow channel 500.

[0063] Referring to Figure 1 , Figure 3 , Figure 5 and Figure 6 As shown in Figure 1 , Figure 3 , Figure 5 , Figure 6 , it can be understood that the extension paths of the first drain groove 211 and the second drain groove 311 coincide, so that the liquid flowing along the first drain groove 211 can fully exchange heat with the liquid flowing along the second drain groove 311. The extension path of the first drain groove 211 includes a plurality of connected drain portions. That is, after the liquid enters the first drain groove 211, the liquid needs to flow through a plurality of drain portions in sequence. While the liquid flows through the plurality of drain portions, the liquid in the first drain groove 211 exchanges heat with the liquid in the second drain groove 311 at all times, which is beneficial to enabling the liquid in the first flow channel 400 to fully exchange heat with the liquid in the second flow channel 500, beneficial to heating the cold water, beneficial to saving the energy required for heating the cold water, and cooling the hot water, so as to obtain warm water with a moderate temperature.

[0064] Referring toFigure 1 , Figure 3 and Figure 4 As shown in Figure 1 , Figure 3 and Figure 4 , it can be understood that multiple drainage parts are arranged at intervals along the first direction, the first direction is along the length direction of the water channel partition 200, the drainage part includes multiple arc-shaped grooves 2112 and multiple strip-shaped grooves 2111 arranged at intervals along the second direction, the first direction and the second direction are arranged at an angle, the second direction is along the width direction of the water channel partition 200, and every two adjacent strip-shaped grooves 2111 are communicated with one arc-shaped groove 2112.

[0065] Referring to Figure 1 , Figure 3 and Figure 4 As shown in Figure 1 , Figure 3 and Figure 4 , every two adjacent strip-shaped grooves 2111 are communicated with one arc-shaped groove 2112, that is, the drainage part is communicated with multiple strip-shaped grooves 2111 through multiple arc-shaped grooves 2112, so that the extension path of the drainage part is bent, which is beneficial to extending the flow path of the liquid in the drainage part, beneficial to making the liquid in the first flow channel 400 and the liquid in the second flow channel 500 carry out sufficient heat exchange, beneficial to heating the cold water, beneficial to saving the energy required for heating the cold water, cooling the hot water, so as to obtain warm water with a moderate temperature.

[0066] It should be understood that in some other embodiments, the extension path of the drainage part is arranged in a shape such as an S shape, a square shape or a spiral shape.

[0067] It should be understood that in some other embodiments, multiple drainage parts are arranged at intervals along the first direction, the drainage part includes multiple arc-shaped grooves 2112 and multiple strip-shaped grooves 2111 arranged at intervals along the first direction, every two adjacent strip-shaped grooves 2111 are communicated with one arc-shaped groove 2112, so that the extension path of the drainage part is bent, which is beneficial to extending the flow path of the liquid in the drainage part, beneficial to making the liquid in the first flow channel 400 and the liquid in the second flow channel 500 carry out sufficient heat exchange, beneficial to heating the cold water, beneficial to saving the energy required for heating the cold water, cooling the hot water, so as to obtain warm water with a moderate temperature.

[0068] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5 , it can be understood that in this embodiment, in order to enhance the heat guiding effect and reduce the heat dissipation in other areas of the first cover plate 100, the water channel partition 200 or the second cover plate 300, three drainage parts are provided, and the heat exchanger further includes two heat insulation parts, and the heat insulation part is provided between every two adjacent drainage parts. The partition part is arranged between two drainage parts, which is beneficial to blocking the direct heat exchange between the two drainage parts.

[0069] Referring to Figure 1 ,Figure 2 , Figure 3 and Figure 5 As shown in Figure 5 , the heat insulation part includes the first strip-shaped hole 120 provided on the first cover plate 100, the second strip-shaped hole 220 provided on the water channel partition plate 200, and the third strip-shaped hole 320 provided on the second cover plate 300. The setting of the first strip-shaped hole 120 is beneficial to blocking the heat transfer in the first cover plate 100 in the radial direction of the first strip-shaped hole 120. The setting of the second strip-shaped hole 220 is beneficial to blocking the heat transfer on the water channel partition plate 200 in the radial direction of the second strip-shaped hole 220. The setting of the third strip-shaped hole 320 is beneficial to blocking the heat transfer on the second cover plate 300 in the radial direction of the third strip-shaped hole 320. Through the setting of the partition part, the heat exchanger is beneficial to blocking the direct heat transfer between the two drainage parts, and is beneficial to enabling the liquid in the first flow channel 400 and the liquid in the second flow channel 500 to exchange heat while flowing, so as to improve the heat exchange efficiency of the liquid in the first flow channel 400 and the liquid in the second flow channel 500.

[0070] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown in Figure 5 , it can be understood that the first strip-shaped hole 120, the second strip-shaped hole 220, and the third strip-shaped hole 320 coincide in sequence. The setting of the first strip-shaped hole 120 is beneficial to blocking the heat transfer in the first cover plate 100 in the radial direction of the first strip-shaped hole 120. The setting of the second strip-shaped hole 220 is beneficial to blocking the heat transfer on the water channel partition plate 200 in the radial direction of the second strip-shaped hole 220. The setting of the third strip-shaped hole 320 is beneficial to blocking the heat transfer on the second cover plate 300 in the radial direction of the third strip-shaped hole 320. The first strip-shaped hole 120, the second strip-shaped hole 220, and the third strip-shaped hole 320 coincide in sequence, which is beneficial to enhancing the heat blocking effect of the partition part, beneficial to blocking the direct heat transfer between the two drainage parts, and beneficial to enabling the liquid in the first flow channel 400 and the liquid in the second flow channel 500 to exchange heat while flowing, so as to improve the heat exchange efficiency of the liquid in the first flow channel 400 and the liquid in the second flow channel 500.

[0071] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown in Figure 5 , the heat exchanger can make the first cover plate 100 form the first strip-shaped hole 120 by punching the first cover plate 100, make the water channel partition plate 200 form the second strip-shaped hole 220 by punching the water channel partition plate 200, and make the second cover plate 300 form the third strip-shaped hole 320 by punching the second cover plate 300.

[0072] The first strip-shaped hole 120, the second strip-shaped hole 220, and the third strip-shaped hole 320 coincide in sequence, which is beneficial to enhancing the heat-blocking effect of the heat insulation part and guiding heat transfer between the first flow channel 400 and the second flow channel 500.

[0073] Referring to Figure 9 and Figure 10 As shown, it can be understood that specifically, water inlets 600 are communicated at both ends of the first cover plate 100 along the first flow channel 400, that is, the first cover plate 100 is provided with two water inlets 600, and water inlets 600 are communicated at both ends of the second cover plate 300 along the second flow channel 500, that is, the second cover plate 300 is provided with two water inlets 600, and both the first cover plate 100 and the second cover plate 300 are connected with water pipe connectors 700 communicated with the water inlets 600.

[0074] Referring to Figure 9 and Figure 10 As shown, the first cover plate 100 can be connected to an external water pipe through the water pipe connector 700 so that one of cold water and hot water flows through the first flow channel 400, and the second cover plate 300 can be connected to an external water pipe through the water pipe connector 700 so that the other of cold water and hot water flows through the second flow channel 500, so that heat exchange is realized between the liquid in the first flow channel 400 and the liquid in the second flow channel 500.

[0075] Referring to Figure 9 and Figure 10 As shown, the connection of the first cover plate 100 and the second cover plate 300 to the external water pipe through the water pipe connector 700 is beneficial to improving the sealing performance of the connection with the external water pipe, beneficial to reducing the leakage of cold water or hot water, and beneficial to reducing the difficulty of connecting the first cover plate 100 and the second cover plate 300 to the external water pipe.

[0076] It can be understood that the water channel partition 200 can be made of a heat-conducting material, such as a metal material with good heat-conducting performance. Specifically, the water channel partition 200 can be made of a metal part such as copper, aluminum, or silver with good heat-conducting performance.

[0077] It can be understood that the heat exchanger further includes two sealing rings. One sealing ring is clamped between the first cover plate 100 and the water channel partition 200, and the other sealing ring is clamped between the second cover plate 300 and the water channel partition 200. The sealing ring is arranged around the first flow channel 400 or the second flow channel 500. Through the arrangement of the sealing ring, it is beneficial to enhancing the sealing performance of the heat exchanger, beneficial to reducing the leakage of cold water and hot water, and beneficial to ensuring heat exchange between the liquid in the first flow channel 400 and the liquid in the second flow channel 500.

[0078] It is understandable that the first cover plate 100 and the water channel partition 200 can be hermetically connected by means of welding, bonding, screws, rivet assembly, etc., and the water channel partition 200 and the second cover plate 300 can be hermetically connected by means of welding, bonding, screws, rivet assembly, etc., which is beneficial to enhancing the sealing performance of the heat exchanger, reducing the leakage of cold water and hot water, and ensuring the heat exchange between the liquid in the first flow channel 400 and the liquid in the second flow channel 500.

[0079] A water dispenser according to an embodiment of the present invention includes a heat exchanger as shown in any one of the above embodiments.

[0080] The water dispenser includes a heat exchanger as shown in any one of the above embodiments. The heat exchanger includes a first cover plate 100, a water channel partition 200, and a second cover plate 300 stacked in sequence. The water channel partition 200 has a first convex portion 210 protruding in a direction away from the first cover plate 100. The first convex portion 210 has a first drainage groove 211 opening towards the first cover plate 100. After the first cover plate 100 is closely attached to the water channel partition 200, the first cover plate 100 can close the opening of the first drainage groove 211 to jointly define the first flow channel 400. The second cover plate 300 has a second convex portion 310 protruding in a direction away from the water channel partition 200. The second convex portion 310 has a second drainage groove 311 opening towards the water channel partition 200. After the water channel partition 200 is closely attached to the second cover plate 300, the water channel partition 200 can close the opening of the second drainage groove 311 to jointly define the second flow channel 500. And the first convex portion 210 is arranged in the second drainage groove 311, that is, the first flow channel 400 and the second flow channel 500 share the water channel partition 200. One of cold water and hot water can flow through the first flow channel 400, and the other of cold water and hot water can flow through the second flow channel 500, so that heat exchange between cold water and hot water is realized at the water channel partition 200, the cold water is heated, which is beneficial to saving the energy required for heating the cold water, and the hot water is cooled to obtain warm water with a moderate temperature. Through the connection of the first cover plate 100, the water channel partition 200, and the second cover plate 300, the first flow channel 400 and the second flow channel 500 capable of realizing heat exchange can be formed. The structure is simple and the processing is convenient. After the first cover plate 100, the water channel partition 200, and the second cover plate 300 are stacked in sequence, a flat combination body is formed, which is beneficial to reducing the volume of the heat exchanger, making it easier to arrange the heat exchanger inside the water dispenser, and making the internal structure of the water dispenser applying the heat exchanger more compact.

[0081] The above has described the embodiments of the present invention in detail with reference to the drawings. However, the present invention is not limited to the above embodiments. Various changes can be made without departing from the gist of the present invention within the knowledge scope of those of ordinary skill in the art to which the present invention pertains.

Claims

1. A heat exchanger, characterized in that: include: A first cover plate (100); a water channel baffle (200) connected to the first cover plate (100), the water channel baffle (200) having a first convex portion (210) protruding in a direction away from the first cover plate (100), the first convex portion (210) having a first drainage groove (211) opening toward the first cover plate (100), the first cover plate (100) closing the opening of the first drainage groove (211) to jointly define a first flow channel (400); A second cover plate (300) is connected to the waterway baffle (200), and the waterway baffle (200) is sandwiched between the second cover plate (300) and the first cover plate (100). The second cover plate (300) has a second protrusion (310) protruding in a direction away from the waterway baffle (200), and the second protrusion (310) has a second drainage groove (311) opening toward the waterway baffle (200). The first protrusion (210) is arranged in the second drainage groove (311), and the waterway baffle (200) closes the opening of the second drainage groove (311) to jointly define a second flow channel (500).

2. The heat exchanger according to claim 1, characterized in that: The side wall surface of the first protrusion (210) facing away from the first cover plate (100) is spaced apart from the inner wall surface of the second drainage groove (311), and the second flow channel (500) is arranged to surround the first flow channel (400).

3. The heat exchanger according to claim 1, characterized in that: The first cover plate (100) has a third protrusion (110) protruding toward the first drainage groove (211), and the third protrusion (110) is arranged in the first drainage groove (211).

4. The heat exchanger according to claim 1, characterized in that: A bending section is provided at the end of the first convex portion (210) away from the first cover plate (100), and the first convex portion (210) is divided along the bending section to form a first groove (212) and a second groove (213), the opening direction of the first groove (212) is opposite to the opening direction of the second groove (213), and at least one side wall of the first groove (212) is shared with the second groove (213).

5. The heat exchanger according to claim 1, characterized in that: The extension path of the first drainage groove (211) overlaps with the extension path of the second drainage groove (311), and the extension path of the first drainage groove (211) includes a plurality of interconnected drainage portions.

6. The heat exchanger according to claim 5, characterized in that: The drainage portion comprises a plurality of arc-shaped grooves (2112) and a plurality of strip-shaped grooves (2111) arranged at intervals, and each two adjacent strip-shaped grooves (2111) are connected to one arc-shaped groove (2112).

7. The heat exchanger according to claim 5, characterized in that: The heat exchanger comprises a partition portion, which is arranged between the two drainage portions, and the partition portion comprises a first strip hole (120) arranged on the first cover plate (100), a second strip hole (220) arranged on the water channel partition plate (200), and a third strip hole (320) arranged on the second cover plate (300).

8. The heat exchanger according to claim 7, characterized in that: The first strip-shaped hole (120), the second strip-shaped hole (220), and the third strip-shaped hole (320) overlap in sequence.

9. The heat exchanger according to claim 1, characterized in that: Both ends of the first cover plate (100) along the first flow channel (400) and both ends of the second cover plate (300) along the second flow channel (500) are connected to water outlets (600), and both the first cover plate (100) and the second cover plate (300) are connected to water pipe joints (700) that are connected to the water outlets (600).

10. A water dispenser, characterized in that: include: A heat exchanger as claimed in any one of claims 1 to 9.

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