Water drinking device
By combining a semiconductor cooler and a coaxial tube, sterilization of the cold water pipes in the water purification equipment is achieved, solving the problem of bacterial growth in the cold water pipes and improving water quality and user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG LIZI TECH CO LTD
- Filing Date
- 2025-03-03
- Publication Date
- 2026-04-10
AI Technical Summary
Bacteria can easily grow in the cold water pipes of water purification equipment after a long period of non-use, affecting water quality.
It employs a semiconductor cooler design that simultaneously cools and heats, combined with coaxial tubes and heat-conducting components, and uses hot water sterilization to reduce bacterial growth.
It effectively reduces bacterial growth in cold water pipes, improves water quality, and enhances the user experience.
Smart Images

Figure CN224099176U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of water dispenser, concretely relates to a water drinking device. BACKGROUND
[0002] The water purifier is also called water purifier, water purifier, which is a water treatment equipment for deep filtration and purification treatment of water quality according to the use requirement of water. The water in the water purifying equipment in the related art is discharged through two pipelines, one of which discharges cold water, and the other discharges hot water, but the cold water pipe will breed bacteria for a long time after discharging cold water, which will affect the water quality of the water flow discharged by the water purifying equipment. UTILITY MODEL CONTENT
[0003] Therefore, the utility model provides a water drinking device which can reduce the breeding of bacteria in the cold water pipe.
[0004] The utility model provides the following technical scheme:
[0005] A water drinking device comprises a cold storage tank, a heat storage tank, a semiconductor refrigerator and a coaxial pipe.
[0006] The semiconductor refrigerator has a heating surface and a refrigerating surface, the cold storage tank is attached to the refrigerating surface, and the heat storage tank is attached to the heating surface.
[0007] The coaxial pipe has a first interface and a second interface, the first interface is connected to the cold storage tank, and the second interface is connected to the heat storage tank.
[0008] Further, the coaxial pipe comprises an outer pipe and an inner pipe, the inner pipe is in communication with the first interface, and the outer pipe is in communication with the second interface.
[0009] Further, the utility model also comprises a heat conduction component.
[0010] The cold storage tank and the heat storage tank are provided with mounting holes, and the heat conduction component extends into the cold storage tank and the heat storage tank through the mounting holes.
[0011] The refrigerating surface and the heating surface are provided with a heat conduction component, the heat conduction component is connected to the heat storage tank and the cold storage tank, and the heat conduction component is used for guiding the cold quantity of the refrigerating surface into the cold storage tank and guiding the heat quantity of the heating surface into the heat storage tank.
[0012] Further, the heat conduction component comprises a heat absorbing part and a plurality of heat conduction sheets.
[0013] The plurality of heat conduction sheets are arranged on the heat absorbing part in a first direction, the heat absorbing part is attached to the refrigerating surface, and the heat conduction sheets are used for releasing heat.
[0014] The heat-conducting sheet extends into the cold storage tank and the heat storage tank through the mounting hole.
[0015] Further, the limiting piece is further included.
[0016] The limiting piece is arranged around the outer periphery of the mounting hole, and the limiting piece includes an extension and a limiting portion.
[0017] Further, the filter core assembly is further included.
[0018] The filter core assembly is arranged in the water drinking device, and is connected with the cold storage tank and the heat storage tank respectively.
[0019] Further, the water drinking device further includes a housing and a mounting base.
[0020] The housing has a mounting cavity, and the mounting base is arranged in the mounting cavity.
[0021] Further, the mounting cavity is provided with a mounting piece arranged on two opposite side walls of the housing.
[0022] The filter core assembly is provided with a guide piece matched with the sliding groove to fix the filter core.
[0023] Further, the vane pump is further included.
[0024] The vane pump is connected with the cold storage tank and the heat storage tank respectively, and is used to supply water to a water using device.
[0025] Further, the outer periphery of the cold storage tank and the heat storage tank is provided with a heat insulation layer.
[0026] The water drinking device comprises a heat storage tank arranged on a heating surface of the semiconductor refrigerator, a cold storage tank arranged on a refrigerating surface of the semiconductor refrigerator, and the semiconductor refrigerator is used to refrigerate the cold storage tank and heat the heat storage tank at the same time, so that refrigeration and heating can be realized by using one semiconductor refrigerator; in order to avoid breeding of bacteria after discharging cold water, a coaxial pipe is arranged, the coaxial pipe is provided with a first interface and a second interface, the first interface is connected with the cold storage tank, and the second interface is connected with the heat storage tank, so that the coaxial pipe can be heated after hot water in the heat storage tank flows out of the coaxial pipe, and a certain sterilization effect can be achieved, so that the influence of water quality of water flow discharged from the cold storage tank due to breeding of bacteria can be reduced, and the purpose of improving user experience is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following embodiments are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0028] Figure 1 Structure schematic view of the water drinking device provided by the embodiments of the present application;
[0029] Figure 2 Structure schematic view of the water drinking device provided by the embodiments of the present application;
[0030] Figure 3 Structure schematic view of the water drinking device provided by the embodiments of the present application;
[0031] Figure 4 Structure schematic view of the water drinking device provided by the embodiments of the present application;
[0032] Figure 5 Structure schematic view of the water drinking device provided by the embodiments of the present application; Figure 4 Enlarged view of A in FIG. 1;
[0033] Figure 6 Structure schematic view of the water drinking device provided by the embodiments of the present application;
[0034] Figure 7 Enlarged view of B in FIG. 1; Figure 6 Enlarged view of B in FIG. 1;
[0035] Figure 8 Enlarged view of C in FIG. 1; Figure 6 Enlarged view of C in FIG. 1;
[0036] Figure 9 Structure schematic view of the water drinking device provided by the embodiments of the present application;
[0037] Explanation of reference signs:
[0038] 100 - water drinking device; 10 - cold storage tank; 20 - heat storage tank; 21 - mounting hole; 30 - semiconductor refrigerator; 31 - heating surface; 32 - refrigeration surface; 40 - coaxial pipe; 41 - first interface; 42 - second interface; 43 - outer pipe; 44 - inner pipe; 50 - heat conduction assembly; 51 - heat absorbing piece; 52 - heat conduction sheet; 60 - limiting piece; 61 - extension; 62 - limiting part; 70 - filter element assembly; 701 - guide block; 702 - guide piece; 71 - shell; 711 - mounting cavity; 712 - mounting piece; 713 - sliding slot; 72 - mounting base; 721 - groove; 80 - vane pump; 90 - heat insulation layer. DETAILED DESCRIPTION
[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0040] The terms "first", "second", and the like in the description and claims of the present application and the above drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed, or can optionally include other steps or units inherent to the process, method, product or device.
[0041] In this document, the term "embodiment" or "implementation" means that the specific features, structures or characteristics described in connection with the embodiment or implementation can be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment to other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.
[0042] The water purifier is also called water purifier, water purifier, which is a water treatment equipment for deep filtration and purification of water according to the use requirements of water. In the related art, the water outlet of the water purifier is discharged through two pipelines, one of which discharges cold water, and the other discharges hot water, but the cold water pipe will breed bacteria for a long time after discharging cold water, which will affect the water quality of the water purifier.
[0043] In view of this, the embodiment provides a water drinking device 100. The water drinking device 100 can reduce the breeding of bacteria in the cold water pipe.
[0044] Please refer to Figure 1 and Figure 2 A water drinking device 100 comprises a cold storage tank 10, a hot storage tank 20, a semiconductor refrigerator 30, and a coaxial pipe 40.
[0045] The semiconductor refrigerator 30 has a heating surface 31 and a cooling surface 32, the cold storage tank 10 is attached to the cooling surface 32, and the hot storage tank 20 is attached to the heating surface 31.
[0046] The coaxial pipe 40 has a first interface 41 and a second interface 42, the first interface 41 is connected to the cold storage tank 10, and the second interface 42 is connected to the hot storage tank 20.
[0047] The water drinking device 100 comprises the hot storage tank 20 arranged on the heating surface 31 of the semiconductor refrigerator 30 and the cold storage tank 10 arranged on the cooling surface 32 of the semiconductor refrigerator 30. The semiconductor refrigerator 30 can cool the cold storage tank 10 and heat the hot storage tank 20 at the same time, so that the semiconductor refrigerator 30 can realize cooling and heating. In order to avoid the breeding of bacteria after the cold water is discharged, the coaxial pipe 40 is arranged. The coaxial pipe 40 has the first interface 41 and the second interface 42. The first interface 41 is connected to the cold storage tank 10, and the second interface 42 is connected to the hot storage tank 20. When the hot water in the hot storage tank 20 flows out of the coaxial pipe 40, the coaxial pipe 40 can be heated to play a certain sterilization role. Thus, the influence of the breeding of bacteria on the water quality of the water flow discharged from the cold storage tank 10 can be reduced, and the user experience can be improved.
[0048] It can be understood that the semiconductor refrigerator 30 has the heating surface 31 and the cooling surface 32. The cold storage tank 10 is attached to the cooling surface 32, so that the heat generated by the cooling surface 32 can be conducted to the cold storage tank 10 to realize the cooling of the cold storage tank 10. The hot storage tank 20 is attached to the cooling surface 32, so that the heat generated by the heating surface 31 can be conducted to the hot storage tank 20 to realize the heating of the hot storage tank 20. The coaxial pipe 40 is provided with the first interface 41 and the second interface 42. The first interface 41 is connected to the cold storage tank 10, and the second interface 42 is connected to the hot storage tank 20. Thus, the coaxial pipe 40 can realize the discharge of hot water or cold water, and the coaxial pipe 40 can also reduce the space occupation in the water drinking device 100. The first interface 41 of the coaxial pipe 40 can discharge the cold water in the cold storage tank 10, and the second interface 42 can discharge the hot water in the hot storage tank 20. When the hot water is discharged from the coaxial pipe 40, the coaxial pipe 40 can be heated to reduce the breeding of bacteria in the cold water pipe.
[0049] Please refer toFigure 2 In some embodiments, the coaxial tube 40 comprises an outer tube 43 and an inner tube 44, wherein the inner tube 44 is in communication with the first interface 41, and the outer tube 43 is in communication with the second interface 42.
[0050] It can be understood that the coaxial tube 40 comprises an outer tube 43 and an inner tube 44, wherein the inner tube 44 is covered in the outer appearance, that is, the outer tube 43 and the inner tube 44 are arranged from inside to outside; the above-mentioned inner tube 44 is in communication with the first interface 41, when the inner tube 44 is in communication with the first interface 41, the water flow in the cold storage tank 10 can enter the inner tube 44 through the first interface 41, so that the water flow in the cold storage tank 10 can flow out of the cold storage tank 10 through the inner tube 44, so as to realize the outflow of the water flow in the cold storage tank 10; when the outer appearance is in communication with the second interface 42, the water flow in the heat storage tank 20 can enter the outer appearance through the second interface 42, so that the water flow in the heat storage tank 20 can flow out of the heat storage tank 20 through the outer tube 43, so as to realize the outflow of the water flow in the heat storage tank 20; the temperature of the water flow flowing out of the heat storage tank 20 is generally above 80℃, therefore, the water flow in the outer tube 43 can realize sterilization of the coaxial tube 40 when it is discharged, so as to reduce the breeding of bacteria in the coaxial tube 40, and also to avoid breeding of bacteria in the inner tube 44 after discharging cold water, thereby affecting the water quality of the water flow discharged by the inner tube 44.
[0051] Please refer to Figure 1 and Figure 3 In some embodiments, further comprising: a heat conduction assembly 50;
[0052] The cold storage tank 10 and the heat storage tank 20 are both provided with a mounting hole 21, and the heat conduction assembly 50 extends into the cold storage tank 10 and the heat storage tank 20 through the mounting hole 21;
[0053] The refrigeration surface 32 and the heating surface 31 are both provided with a heat conduction assembly 50, the heat conduction assembly 50 is connected with the heat storage tank 20 and the cold storage tank 10, and the heat conduction assembly 50 is used for guiding the cold of the refrigeration surface 32 into the cold storage tank 10 and guiding the heat of the heating surface 31 into the heat storage tank 20.
[0054] It can be understood that the mounting holes 21 are arranged on the side walls of the heat storage tank 20 and the cold storage tank 10, and the heat conducting assembly 50 is arranged in the mounting holes 21; one end of the heat conducting assembly 50 arranged on the heat storage tank 20 is in contact with the heating surface 31 of the semiconductor refrigerator 30, and the other end of the heat conducting assembly 50 extends into the heat storage tank 20 through the mounting hole 21 arranged on the heat storage tank 20; one end of the heat conducting assembly 50 arranged on the cold storage tank 10 is in contact with the refrigeration surface 32 of the semiconductor refrigerator 30, and the other end of the heat conducting assembly 50 extends into the cold storage tank 10 through the mounting hole 21 arranged on the cold storage tank 10, so that the heat conducting assembly 50 can directly exchange heat with the water flow in the cold storage tank 10 and the water flow in the heat storage tank 20, so that the cold energy generated by the refrigeration surface 32 can be more efficiently transferred to the cold storage tank 10, or the heat generated by the heating surface 31 can be transferred to the heat storage tank 20, so as to improve the heat exchange efficiency of the drinking water device 100 and reduce the energy loss of the drinking water device 100.
[0055] Please refer to Figure 3 In some embodiments, the heat conducting assembly 50 comprises: a heat absorbing member 51, a plurality of heat conducting fins 52;
[0056] A plurality of heat conducting fins 52 are arranged on the heat absorbing member 51 in a first direction (e.g. from left to right as shown in the figure), and the heat absorbing member 51 is attached to the refrigeration surface 32, and the heat conducting fins 52 are used to release heat; Figure 3
[0057] Wherein, the heat conducting fins 52 extend into the cold storage tank 10 and the heat storage tank 20 through the mounting holes 21.
[0058] It can be understood that the heat conducting assembly 50 comprises: a heat absorbing member 51 and a plurality of heat conducting fins 52, wherein the heat absorbing member 51 is connected with the heat exchanger, and the heat absorbing member 51 is used to collect the heat generated by the heat absorbing member 51, a plurality of heat conducting fins 52 are arranged on the heat absorbing member 51, the heat conducting fins 52 are perpendicular to the heat absorbing member 51, and the heat conducting fins 52 extend into the water storage tank, so that the cold energy on the heat absorbing member 51 can be transferred to the water storage tank through the heat conducting assembly 50, so that the cold energy generated by the semiconductor refrigerator 30 can be transferred to the water storage tank through the heat absorbing member 51 and the heat conducting fins 52, and a plurality of heat conducting fins 52 can accelerate the energy transfer efficiency, so that the energy can enter the water storage tank faster and more evenly, heat exchange is realized, and then the heat conducting assembly 50 realizes heat conduction.
[0059] Please refer to Figure 4 and Figure 5 In some embodiments, it further comprises: a limiting member 60;
[0060] The limiting piece 60 is arranged around the outer periphery of the mounting hole 21, and the limiting piece 60 comprises an extension part 61 and a limiting part 62, wherein the limiting part 62 is arranged on the extension part 61, and the extension part 61 and the limiting part 62 have an included angle therebetween.
[0061] It can be understood that the limiting piece 60 is arranged around the outer periphery of the mounting hole 21, and the limiting piece 60 is used to cooperate with the heat conduction assembly 50 to limit the relative position of the heat conduction assembly 50 relative to the cold storage tank 10 or the heat storage tank 20; the limiting piece 60 comprises an extension part 61 and a limiting part 62; wherein the extension part 61 extends away from the mounting hole 21 (i.e. extends outwardly of the heat storage tank 20 and the cold storage tank 10), and the limiting part 62 is arranged on the extension part 61, and the limiting part 62 can be arranged perpendicularly on the extension part 61, or can form an included angle with the limiting part 62, so that the limiting part 62 can limit the installation position of the heat conduction assembly 50, so that the heat conduction assembly 50 can be more convenient to install.
[0062] It can be understood that when the heat conduction assembly 50 is installed to the limiting part 62, a sealing piece can be arranged between the limiting part 62 and the heat conduction assembly 50, and the sealing piece is used to avoid water leakage of the mounting hole 21; the heat conduction assembly 50 can be directly fixed on the limiting part 62, and specifically, the mounting hole 21 can be arranged on the limiting part 62, and the heat conduction assembly 50 is connected with the mounting hole 21 to realize the connection between the limiting part 62 and the limiting part 62.
[0063] Please refer to Figure 6 In some embodiments, further comprising: a filter core assembly 70;
[0064] The filter core assembly 70 is arranged in the water drinking device 100, and the filter core assembly 70 is connected with the cold storage tank 10 and the heat storage tank 20 respectively.
[0065] It can be understood that the filter core assembly 70 is arranged in the water drinking device 100, and the water drinking device 100 can purify the municipal water entering the water drinking device 100, and the filter core assembly 70 can output the purified water to the cold water tank and / or the hot water tank after purifying the municipal water, so that the water storage tank can be replenished. The filter core assembly 70 can comprise a filter core and a booster pump, and the booster pump is used for municipal water boosting, because the filter core assembly 70 is provided with an RO filter core (Reverse Osmosis, reverse osmosis membrane), and the water pressure of the municipal water supply is insufficient to make the water flow pass through the RO filter core assembly 70 during water flow purification. In order to make the water flow pass through the filter core assembly 70 smoothly, the booster pump is arranged to ensure that the water flow can flow into the filter core assembly 70, and to ensure the purification efficiency of the filter core assembly 70.
[0066] Please refer to Figures 6 to 8In some embodiments, the water drinking device 100 further comprises a housing 71 and a mounting base 72.
[0067] The housing 71 has a mounting cavity 711, and the mounting base 72 is arranged in the mounting cavity 711. The mounting base 72 is provided with a groove 721, and the filter core assembly 70 is provided with a guide block 701. When the filter core assembly 70 is mounted on the mounting base 72, the guide block 701 is located in the groove 721.
[0068] It can be understood that the mounting cavity 711 is a semi-enclosed structure, and the mounting cavity 711 is used for mounting the filter core. The semi-enclosed structure of the mounting cavity 711 facilitates the installation and disassembly of the filter core assembly 70. Specifically, the housing 71 is provided with the mounting cavity 711, and the mounting base 72 is arranged in the mounting cavity 711. The mounting base 72 is used for mounting the filter core assembly 70, and the mounting base 72 is detachably connected with the filter core assembly 70. The mounting base 72 is provided with a waterway structure matched with the filter core assembly 70. When the filter core assembly 70 is mounted on the mounting base 72, the filter core assembly 70 can be normally used.
[0069] It can be understood that, in order to facilitate the installation of the filter core assembly 70 on the mounting base 72, the groove 721 is arranged on the mounting base 72 and penetrates the top of the mounting base 72. The guide block 701 is arranged on the side of the filter core assembly 70 away from the handle, and the size of the guide block 701 is matched with the size of the groove 721. The guide block 701 is used for cooperating with the groove 721. When the filter core assembly 70 is mounted on the base, the guide block 701 can be inserted into the groove 721 to realize the positioning of the filter core assembly 70. At the same time, the cooperation of the filter core assembly 70 and the guide block 701 can limit the rotation of the filter core assembly 70 along the circumferential direction, so as to improve the stability of the filter core assembly 70 after installation, ensure that the filter core assembly 70 does not move in the normal use process, and further improve the stability of the water drinking device 100.
[0070] Please refer to Figures 6 to 8 In some embodiments, the mounting cavity 711 is provided with a mounting piece 712 arranged on the opposite two side walls of the housing 71. The mounting piece 712 is provided with a sliding groove 713.
[0071] The filter core assembly 70 is provided with a guide piece 702 cooperating with the sliding groove 713 to fix the filter core.
[0072] It can be understood that the mounting piece 712 is arranged in the mounting cavity 711, and the mounting piece 712 is arranged on the opposite two side walls of the housing 71. Figure 8The upper part of the installation cavity 711 is shown, and the side walls on both sides of the installation cavity 711 are provided; the mounting member 712 is provided with a sliding groove 713, and the guide member 702 is provided on the opposite two side walls of the filter element assembly 70, and the guide member 702 on the filter element assembly 70 is matched with the sliding groove 713, so that when the filter element assembly 70 is installed in the installation cavity 711, the guide member 702 can be clamped into the sliding groove 713 to cooperate with the installation cavity 711, so that the displacement of the filter element assembly 70 in the horizontal direction in the installation cavity 711 can be limited by the mounting member 712, and due to gravity, it will not move in the vertical direction of the filter element assembly 70, so as to improve the stability of the filter element after installation, and ensure that the filter element assembly 70 will not move during normal use, thereby improving the stability of the water drinking device 100.
[0073] Please refer to Figure 9 In some embodiments, further comprising: a vane pump 80;
[0074] The vane pump 80 is connected with the heat storage tank 20 and the cold storage tank 10 respectively, and the vane pump 80 is used to supply water to the water using equipment.
[0075] It can be understood that the vane pump 80 can be arranged at any position in the shell 71, and the vane pump 80 is connected with the water storage tank, so that the vane pump 80 can pressurize and deliver the purified water in the heat storage tank 20 or the cold storage tank 10 to the user end to realize water supply of the water purifier; specifically, the hot water (cold water) in the heat storage tank 20 (cold storage tank 10) flows out through the water outlet of the heat storage tank 20 (water outlet of the cold storage tank 10) and flows to the vane pump 80, and the vane pump 80 pressurizes and delivers the hot water (cold water) to the user end for use, and the vane pump 80 can ensure that the setting position of the heat storage tank 20 (cold storage tank 10) is not affected by water pressure, and can smoothly deliver the hot water in the heat storage tank 20 (cold storage tank 10) to the water using equipment, thereby improving user experience.
[0076] Please refer to Figure 9 In some embodiments, the heat storage tank 20 and the cold storage tank 10 are each provided with a heat insulation layer 90.
[0077] It can be understood that the heat insulation layer 90 is arranged on the outer side wall of the heat storage tank 20 and the cold storage tank 10, the heat insulation layer 90 can insulate the first cavity or the second cavity from the temperature outside, in the case that there is a temperature difference between the temperature in the shell 71 and the temperature outside the shell 71, the heat insulation layer 90 can prevent the energy inside the shell 71 from leaking out, reduce the loss of cold energy in the shell 71, reduce the waste of energy, and also improve the heating (cooling) effect of the water purifier.
[0078] In the present utility model, the "embodiment" "embodiment" means that the specific features, structures or characteristics described in combination with the embodiment can be contained in at least one embodiment of the present utility model. The appearance of the phrase in the specification is not necessarily all referring to the same embodiment, nor is it an independent or alternative embodiment that is not mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present utility model can be combined with other embodiments. Furthermore, it should be understood that the features, structures or characteristics described in the embodiments of the present utility model can be combined with each other without contradiction, forming another embodiment that does not depart from the spirit and scope of the technical scheme of the present utility model.
[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical scheme of the present utility model and are not limited. Although the present utility model has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that the technical scheme of the present utility model can be modified or replaced by the same without departing from the spirit and scope of the technical scheme of the present utility model.
Claims
1. A drinking water device, characterized in that Comprise: Cold storage tank, heat storage tank, semiconductor refrigerator, coaxial pipe; The semiconductor refrigerator has a heating surface and a cooling surface, the cold storage tank is attached to the cooling surface, and the heat storage tank is attached to the heating surface; The coaxial pipe has a first interface and a second interface, the first interface is connected to the cold storage tank, and the second interface is connected to the heat storage tank.
2. The drinking water device according to claim 1, characterized in that The coaxial pipe comprises an outer tube and an inner tube, wherein the inner tube communicates with the first interface, and the outer tube communicates with the second interface.
3. The drinking water device according to claim 2, characterized in that Also include: Thermal conduction assembly; The cold storage tank and the heat storage tank are provided with mounting holes, and the thermal conduction assembly extends into the cold storage tank and the heat storage tank through the mounting holes; The cooling surface and the heating surface are provided with a thermal conduction assembly, which is connected with the heat storage tank and the cold storage tank, and is used for guiding the cold of the cooling surface into the cold storage tank and guiding the heat of the heating surface into the heat storage tank.
4. The drinking water device according to claim 3, characterized in that The thermal conduction assembly comprises a heat absorbing member and a plurality of heat conducting fins; A plurality of heat conducting fins are arranged on the heat absorbing member in a first direction, the heat absorbing member is attached to the cooling surface, and the heat conducting fins are used for releasing heat; Wherein, the heat conducting fins extend into the cold storage tank and the heat storage tank through the mounting holes.
5. The drinking water device according to claim 4, characterized in that Also include: Limiting piece; The limiting piece is arranged around the outer periphery of the mounting hole, and the limiting piece comprises an extension and a limiting part; wherein the limiting part is arranged on the extension, and the extension and the limiting part have an included angle therebetween.
6. The drinking water device of claim 1, wherein Also include: Filter element assembly; The filter element assembly is arranged in the water drinking device, and is connected with the cold storage tank and the heat storage tank respectively, and is used for supplying water to the cold storage tank and / or the heat storage tank.
7. The drinking water device according to claim 6, characterized in that The water drinking device further comprises a housing and a mounting base; The housing has a mounting cavity, the mounting base is arranged in the mounting cavity, the mounting base is provided with a groove, the filter element assembly is provided with a guide block, and when the filter element assembly is installed on the mounting base, the guide block is located in the groove.
8. The drinking water device according to claim 7, characterized in that The mounting cavity is provided with a mounting piece, the mounting piece is arranged on the opposite two side walls of the housing, and the mounting piece is provided with a sliding groove; The filter element assembly is provided with a guide piece, and the guide piece cooperates with the sliding groove to fix the filter element.
9. The drinking water device of claim 6, wherein, Also include: vane pump; The vane pump is connected with the heat storage tank and the cold storage tank respectively, and is used for supplying water to the water using equipment.
10. The drinking water device according to claim 9, characterized in that The outer periphery of the heat storage tank and the cold storage tank is provided with a heat insulation layer.