Cooling device and liquid heater

Abstract

The invention discloses a cooling device and a liquid heater, the cooling device comprises a cooling assembly, the cooling assembly comprises a cooling pipeline and a cold storage module, the cold storage module is detachably installed on the cooling pipeline, and the cold storage module is arranged to store cold energy and exchange heat with liquid in the cooling pipeline so as to cool the liquid in the cooling pipeline. According to the cooling device, liquid in the cooling pipeline can be rapidly cooled.

Description

Technical Field

[0001] This article relates to instant cooling technology, and more particularly to a cooling device and a liquid heater. Background Art

[0002] Electric thermos have the advantages of convenient water boiling, large water storage capacity of 3L to 5L, and long-term heat preservation, but it takes a long time to cool down. Many users cannot quickly get suitable hot water when they need to drink water. It takes about 15 minutes for a cup of 150ml water to cool down naturally. Patent CN206434184U discloses an instant cooling electric kettle, including a kettle body and a base for heating liquid, the kettle body is electrically connected to the base, the bottom of the kettle body is provided with a liquid outlet, the base is provided with a cooling device for cooling the heated liquid flowing out of the kettle body, the cooling device has a liquid inlet and a liquid outlet, and the liquid inlet is connected to the liquid outlet. It is cooled by the cooling device on the base, and a liquid outlet needs to be provided at the bottom of the kettle body, which is then connected to the cooling device. The structure is complicated, the water in the cooling device cannot be discharged, and the cooling device is costly. Summary of the invention

[0003] The present application provides a cooling device and a liquid heater, which can realize rapid cooling of liquid in a cooling pipeline.

[0004] The present application provides a cooling device, comprising: a cooling component, the cooling component comprising a cooling pipeline and a cold storage module, the cold storage module can be detachably installed in the cooling pipeline, and the cold storage module is configured to store cold energy and exchange heat with liquid in the cooling pipeline to cool the liquid in the cooling pipeline.

[0005] In an exemplary embodiment, the cooling pipeline includes a cooling pipe segment for exchanging heat with the cold storage module, and the cold storage module covers the outer wall surface of the cooling pipe segment;

[0006] The cold storage module includes a first cold storage unit and a second cold storage unit. The contacting end surfaces of the first cold storage unit and the second cold storage unit are respectively provided with a first accommodating groove and a second accommodating groove. The first accommodating groove and the second accommodating groove cooperate to form a receiving groove for installing the cooling pipe section.

[0007] In an exemplary embodiment, the first cold storage unit and the second cold storage unit are detachably connected by magnetic attraction; or,

[0008] One of the first cold storage unit and the second cold storage unit is provided with a first plug-in portion, and the other is provided with a first plug-in slot that cooperates with the first plug-in portion.

[0009] In an exemplary embodiment, the cooling pipeline includes a cooling pipe section for exchanging heat with the cold storage module, and the cooling device also includes a heat conductor fixed to the outer wall of the cooling pipe section, and the heat conductor is configured to exchange heat with the cooling pipeline, and the cold storage module is detachably connected to the heat conductor and is configured to exchange heat with the heat conductor.

[0010] In an exemplary embodiment, the heat conducting member is integrally formed with the cooling pipe segment.

[0011] In an exemplary embodiment, the heat conductive member includes a heat conductive plate, which is provided with a through hole for the cooling pipe section to pass through, and the first plate surface and the second plate surface opposite to the heat conductive plate respectively form the first heat conductive surface and the second heat conductive surface that are in contact with the cold storage module for heat exchange.

[0012] In an exemplary embodiment, the heat conducting member includes a heat conducting block covering the cooling pipeline, and a plurality of heat conducting fins extending from the side of the heat conducting block in a direction away from the outer wall surface of the cooling pipeline;

[0013] The outer side walls of the plurality of heat-conducting fins are connected to the side walls of the heat-conducting block to form a plurality of heat-conducting surfaces, and the cold storage module is in contact with the plurality of heat-conducting surfaces.

[0014] In an exemplary embodiment, the thermally conductive block includes a first side wall surface and a second side wall surface that are opposite;

[0015] The plurality of heat-conducting fins include a first heat-conducting fin and a second heat-conducting fin extending away from each other from both sides of the first side wall; the outer wall surface of the first heat-conducting fin, the outer wall surface of the second heat-conducting fin and the first side wall surface form a first heat-conducting surface in contact with the cold storage module;

[0016] The plurality of heat-conducting fins also include a third heat-conducting fin and a fourth heat-conducting fin extending away from each other from both sides of the second side wall; the outer wall surface of the third heat-conducting fin, the outer wall surface of the fourth heat-conducting fin and the second side wall surface form a second heat-conducting surface in contact with the cold storage module.

[0017] In an exemplary embodiment, the cold storage module is provided with a mounting groove that is plugged into the heat conducting member, and two opposite inner wall surfaces of the mounting groove are in contact with the first heat conducting surface and the second heat conducting surface respectively; or

[0018] The cold storage module includes a first cold storage unit and a second cold storage unit, and the first cold storage unit and the second cold storage unit are in contact with the first heat conducting surface and the second heat conducting surface respectively.

[0019] In an exemplary embodiment, the cold storage module includes a first cold storage unit and a second cold storage unit, and the heat conductive member is detachably connected to the first cold storage unit by magnetic attraction, or, one of the heat conductive member and the first cold storage unit is provided with a second plug-in portion, and the other is provided with a second plug-in slot that cooperates with the second plug-in portion; the heat conductive member is detachably connected to the second cold storage unit by magnetic attraction, or, one of the heat conductive member and the second cold storage unit is provided with a third plug-in portion, and the other is provided with a third plug-in slot that cooperates with the third plug-in portion.

[0020] In an exemplary embodiment, the cooling pipe section is straight or curved.

[0021] In an exemplary embodiment, the cooling pipeline includes a cooling pipe section for exchanging heat with the cold storage module, and the cooling pipe section is spirally coiled to enclose a receiving cavity;

[0022] The bottom of the cooling pipe section is provided with a supporting pipe section, and the cold storage module is arranged in the accommodating cavity and supported by the supporting pipe section.

[0023] In an exemplary embodiment, the cooling pipeline includes a cooling pipe section for exchanging heat with the cold storage module, and the cooling pipe section is in a spirally coiled shape;

[0024] The cold storage module is provided with an annular cavity with an opening at the bottom end, the cooling pipe section is sleeved in the annular cavity, and the cold storage module is supported by the cooling pipe section.

[0025] In an exemplary embodiment, a projection of a portion of the cooling pipeline located above the cold storage module on a horizontal plane does not overlap with a projection of the cold storage module on the horizontal plane.

[0026] In an exemplary embodiment, the cold storage module is a metal part; or, the cold storage module includes a cold storage shell and a first coolant disposed in the cold storage shell.

[0027] In an exemplary embodiment, the cooling device further comprises a flow guide member sleeved on the outside of the cooling assembly, and a flow guide gap is provided between the flow guide member and the cooling assembly.

[0028] In an exemplary embodiment, the guide gap is configured to be filled with a second coolant.

[0029] In an exemplary embodiment, the cooling device also includes a flow guide member sleeved on the outside of the cooling assembly, a slot is formed between the flow guide member and the heat conductive member, the cold storage module is detachably inserted into the slot, and a flow guide gap is provided between the cavity wall of the slot and the cold storage module.

[0030] In an exemplary embodiment, the guide gap is configured to be filled with a second coolant.

[0031] In an exemplary embodiment, the flow guide member includes a sleeve portion, and a liquid collecting portion provided at a lower end of the sleeve portion, the liquid collecting portion is provided with a drain port, and a sealing cover provided at the drain port.

[0032] An embodiment of the present application also provides a liquid heater, comprising: a water storage tank, a heating element, a cooling device as described in any of the above embodiments, and a booster pump connected between a water inlet end of a cooling pipeline of the cooling device and a water outlet end of the water storage tank, wherein the heating element is configured to heat the liquid in the water storage tank.

[0033] In an exemplary embodiment, a heat-insulating cavity or a heat-insulating plate is provided between the water storage tank and the cold storage module of the cooling device.

[0034] Compared with the related art, the cold storage module in the embodiment of the present application can be detachably installed in the cooling pipeline, so that it is convenient for users to remove and install it by themselves. When the user needs to cool the hot water passing through the cooling pipeline, the user can first remove the cold storage module from the cooling pipeline and put it in the refrigerator for refrigeration. The cold storage module after refrigeration has a very low temperature, so it can be installed on the cooling pipeline to cool the hot water passing through the cooling pipeline, so that the user can drink it directly or wait for a short time to drink it.

[0035] Other features and advantages of the present application will be described in the following description, and partly become apparent from the description, or be understood by implementing the present application. Other advantages of the present application can be realized and obtained by the schemes described in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The accompanying drawings are used to provide an understanding of the technical solution of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present application and do not constitute a limitation on the technical solution of the present application.

[0037] Figure 1 This is an overall three-dimensional view of a liquid heater according to a first embodiment of the present application;

[0038] Figure 2 for Figure 1 A frontal cross-sectional view of

[0039] Figure 3 for Figure 1 A cross-sectional view in the top direction;

[0040] Figure 4 A cross-sectional view of a cold storage module of a liquid heater according to a first embodiment of the present application, viewed from above;

[0041] Figure 5 A partial exploded view of another implementation manner of the cooling device of the liquid heater of the first embodiment of the present application;

[0042] Figure 6 for Figure 5 3D assembly diagram of

[0043] Figure 7 A front cross-sectional view of a liquid heater according to a second embodiment of the present application;

[0044] Figure 8 This is a partially disassembled three-dimensional view of a cooling device of a liquid heater according to a second embodiment of the present application;

[0045] Fig. 9 A cross-sectional view of a liquid heater in a top view of a second embodiment of the present application;

[0046] Fig.10 A cross-sectional view of a heat-conducting member and a flow-conducting member of a liquid heater according to a second embodiment of the present application, viewed from above;

[0047] Fig.11 A three-dimensional assembly diagram of another implementation manner of the cooling device of the second embodiment of the present application;

[0048] Fig.12 for Fig.11 Partial assembly diagram;

[0049] Fig.13 This is an overall three-dimensional view of a heating device according to a third embodiment of the present application;

[0050] Fig.14 A cross-sectional view in a top view of a heating device according to a third embodiment of the present application;

[0051] Fig.15 This is a front cross-sectional view of a heating device according to a fourth embodiment of the present application;

[0052] Fig.16 This is an overall three-dimensional view of a heating device according to a fifth embodiment of the present application;

[0053] Fig.17 for Fig.16 A frontal cross-sectional view of

[0054] Fig.18 This is an overall three-dimensional view of a heating device according to a sixth embodiment of the present application;

[0055] Fig.19 for Fig.18 A frontal cross-sectional view of

[0056] Fig. 20 for Fig.18 A cross-sectional view from top direction. DETAILED DESCRIPTION

[0057] The present application describes multiple embodiments, but the description is exemplary rather than restrictive, and it is obvious to those skilled in the art that there may be more embodiments and implementations within the scope of the embodiments described in the present application. Although many possible feature combinations are shown in the drawings and discussed in the specific embodiments, many other combinations of the disclosed features are also possible. Unless specifically limited, any feature or element of any embodiment may be used in combination with any other feature or element in any other embodiment, or may replace any other feature or element in any other embodiment.

[0058] The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in the present application may also be combined with any conventional features or elements to form a unique invention scheme defined by the claims. Any features or elements of any embodiment may also be combined with features or elements from other invention schemes to form another unique invention scheme defined by the claims. Therefore, it should be understood that any feature shown and / or discussed in the present application may be implemented individually or in any appropriate combination. Therefore, except for the limitations made according to the attached claims and their equivalents, the embodiments are not subject to other restrictions. In addition, various modifications and changes may be made within the scope of protection of the attached claims.

[0059] In addition, when describing representative embodiments, the specification may have presented the method and / or process as a specific sequence of steps. However, to the extent that the method or process does not rely on the specific order of the steps described herein, the method or process should not be limited to the steps of the specific order described. As will be understood by those of ordinary skill in the art, other sequences of steps are also possible. Therefore, the specific sequence of the steps set forth in the specification should not be interpreted as a limitation to the claims. In addition, the claims for the method and / or process should not be limited to the steps of performing them in the order written, and those skilled in the art can easily understand that these sequences can be changed and still remain within the spirit and scope of the embodiments of the present application.

[0060] like Figure 1-Figure 6As shown, the first embodiment of the present application provides a cooling device and a liquid heater 100. The liquid heater 100 includes: a water storage tank 1 and a cooling device. The cooling device includes a cooling assembly, and the cooling assembly includes a cooling pipeline 2 and a detachable cold storage module 3 installed on the cooling pipeline 2. The cold storage module 3 is configured to store cold and exchange heat with the liquid in the cooling pipeline 2 to cool the liquid in the cooling pipeline 2.

[0061] The cooling pipeline 2 is connected to the water storage tank 1, and the water storage tank 1 is used to store liquid and transport the liquid to the cooling pipeline 2. The cold storage module 3 can be an integrated type, and the overall material is a metal part or other material with high cold storage. The cold storage module 3 can also include a cold storage shell and a cooling material arranged in the cold storage shell, and the cooling material can be a first coolant.

[0062] In this embodiment, the cold storage module 3 is designed to be detachable and installed on the cooling pipeline 2, so that it is convenient for users to remove and install it by themselves. When the user needs to cool the liquid passing through the cooling pipeline 2, the user can first remove the cold storage module 3 from the cooling pipeline 2 and put it into the refrigerator for refrigeration. Since the temperature of the refrigerated cold storage module 3 is very low, it can be installed on the cooling pipeline 2 to cool the liquid passing through the cooling pipeline 2. When the liquid is room temperature water, the user can drink liquid that is cooler than room temperature water; when the liquid is hot water, the user can directly drink the cooled hot water or wait for a short time to drink the cooled hot water.

[0063] like Figure 1 , Figure 2 As shown, the liquid heater 100 further includes a booster pump 4 connected between the water inlet end of the cooling pipe 2 and the water outlet end of the water storage tank 1. When the user starts the water outlet command, the booster pump 4 can deliver the liquid in the water storage tank 1 to the cooling pipe 2 for the user to drink or use.

[0064] like Figure 2 As shown, the liquid heater 100 also includes a heating element 5 for heating the liquid in the water storage tank 1, and the heating element 5 is arranged at the bottom of the tank 1. The heating element 5 can be a PTC heater, and the heating element 5 can also be arranged in the water storage tank 1, and can be a resistance heating rod, etc. The specific formation and installation position of the heating element 5 can be set according to actual conditions, and are not limited here. The liquid heater 100 also includes a temperature detection device (not shown), and a control device (not shown) connected to both the heating element 5 and the temperature detection device. The control device is configured to control the heating element 5 to heat the liquid in the water storage tank 1 according to the temperature detected by the temperature detection device.

[0065] The liquid heater 100 of this embodiment further includes an outer shell (not shown), and the water storage tank 1, the booster pump 4 and the heating element 5 can all be accommodated in the outer shell. The liquid heater 100 of this embodiment can be in the form of a heating kettle, a small kitchen treasure, a faucet with a can, etc. A heat insulation cavity or a heat insulation board (not shown) can be provided between the water storage tank 1 and the cold storage module 3 of the cooling device to prevent the high-temperature liquid in the water storage tank 1 from affecting the cooling effect of the cold storage module 3.

[0066] like Figure 2 As shown, the cooling pipe 2 includes a cooling pipe segment 20 for exchanging heat with the cold storage module 3, and the cold storage module 3 covers the outer wall surface of the cooling pipe segment 20, thereby reducing the air layer between the cold storage module 3 and the cooling pipe 2 and improving the heat exchange efficiency. The cooling pipe segment 20 in this embodiment is in a straight line shape, and of course it can also be in other shapes such as a curved shape, which is not limited here.

[0067] like Figure 3 , Figure 4 As shown, the cold storage module 3 includes a first cold storage unit 31 and a second cold storage unit 32. The contacting end surfaces of the first cold storage unit 31 and the second cold storage unit 32 are respectively provided with a first receiving groove 310 and a second receiving groove 320. The first receiving groove 310 and the second receiving groove 320 cooperate to form a receiving groove for installing the cooling pipe section 20.

[0068] The cold storage module 3 of this embodiment is provided with a first accommodating groove 310 and a second accommodating groove 320, so that the first cold storage unit 31 and the second cold storage unit 32 can better fit with the outer wall surface of the cooling pipeline 2, thereby reducing the air layer between the cold storage module 3 and the cooling pipeline 2 and improving the heat exchange efficiency.

[0069] In an exemplary embodiment, the gap between the first receiving groove 310 and the tube wall of the cooling pipeline 2 is ≤2 mm, and the gap between the second receiving groove 320 and the tube wall of the cooling pipeline 2 is ≤2 mm, so that the first cold storage unit 31 and the second cold storage unit 32 fit the cooling pipeline 2 more closely. Of course, the gap value is not limited to ≤2 mm and can be adjusted according to actual needs.

[0070] In an exemplary embodiment, the first cold storage unit 31 and the second cold storage unit 32 are detachably connected by magnetic attraction. Exemplarily, the first cold storage unit 31 and the second cold storage unit 32 are magnetically attracted by providing a first magnetic element (not shown) and the other providing a second magnetic element (not shown) that is mutually attracted to the first magnetic element. The first magnetic element and the second magnetic element may both be magnetic elements, or one of them may be a magnetic element and the other may be a magnetic conductive element. The first cold storage unit 31 and the second cold storage unit 32 may both be magnetic elements, or one of them may be a magnetic element and the other may be a magnetic conductive element. Through the coordinated attraction of the first magnetic element and the second magnetic element, the first cold storage unit 31 and the second cold storage unit 32 can be fixed on the cooling pipeline 2, and are easy to disassemble and assemble.

[0071] In an exemplary embodiment, Figure 5 , Figure 6 As shown, one of the first cold storage unit 31 and the second cold storage unit 32 is provided with a plug-in portion 321, and the other is provided with a plug-in slot 311 that cooperates with the plug-in portion 321. Through the plug-in connection of the plug-in portion 321 and the plug-in slot 311, the first cold storage unit 31 and the second cold storage unit 32 can be fixed on the cooling pipeline 2, and are easy to disassemble and assemble.

[0072] like Figure 5 As shown, the cooling device also includes a guide member 7 sleeved on the outside of the cooling assembly, and a guide gap A is provided between the guide member 7 and the cooling assembly. The guide member 7 is sleeved on the outside of the cold storage module 3, and a guide gap A is provided between the cold storage module 3 and the guide member 7. Since condensed water is generated on the surface of the cold storage module 3, the guide member 7 can guide the condensed water generated on the surface of the cold storage module 3 to a specific position for collection and discharge. In addition, a certain amount of second cooling liquid can also be stored in the guide member 7, which can increase the heat exchange efficiency and total heat exchange amount of the cold storage module 3.

[0073] like Figure 6 As shown, the guide member 7 includes a sleeve portion 71 and a liquid collecting portion 72 arranged at the lower end of the sleeve portion 71. The liquid collecting portion 72 is provided with a drain outlet (not shown) and a sealing cover (not shown) arranged at the drain outlet. The user can open the sealing cover by himself to discharge condensed water or cooling liquid.

[0074] The liquid collecting part 72 and the barrel 71 can be integrated, or can be pulled out or loaded into the barrel 71. When the liquid collecting part 72 can be pulled out or loaded into the barrel 72, after the liquid collecting part 72 collects a certain amount of condensed water, the user can pull it out and pour it out, and then load it in.

[0075] In the embodiment of the present application, the cold storage module 3 can be made of metal, plastic, etc. The cooling pipeline 2 can be made of food-grade stainless steel.

[0076] like Figure 7-12 As shown, the second embodiment of the present application provides a cooling device and a liquid heater 100a, the liquid heater 100a, comprising: a water storage liner 1a and a cooling device. The cooling device comprises a cooling assembly, the cooling assembly comprises a cooling pipeline 2a, and a detachable cold storage module 3a installed on the cooling pipeline 2a. The cold storage module 3a is configured to store cold energy and exchange heat with the liquid in the cooling pipeline 2a to cool the liquid in the cooling pipeline 2a. The cooling pipeline 2a can be connected to the water storage liner 1a, and the water storage liner 1a can store liquid and transport liquid to the cooling pipeline 2a.

[0077] The main difference between the liquid heater 100a in this embodiment and the liquid heater 100 in the first embodiment is that the liquid heater 100a also includes a heat conductor 6a, which exchanges heat with the cooling pipeline 2a, and the cold storage module 3a is detachably connected with the heat conductor 6a and exchanges heat. The heat conductor 6a is integrally formed on the outer wall of the cooling pipeline 2a, which can not only increase the heat exchange area, but also reduce the air layer. The remaining features can refer to the liquid heater 100 and are not repeated here.

[0078] like Fig.10 As shown, the heat conducting member 6a includes a heat conducting block 61a covering the cooling pipeline 2a, and a plurality of heat conducting fins 62a, 63a, 64a, 65a extending from the side wall surface of the heat conducting block 61a to the outer wall surface away from the cooling pipeline 2a. The outer wall surfaces of the plurality of heat conducting fins 62a, 63a, 64a, 65a are connected to the side wall surface of the heat conducting block 61a to form a plurality of heat conducting surfaces, and the cold storage module 3a contacts the plurality of heat conducting surfaces for heat exchange.

[0079] The heat-conducting block 61a includes a first side wall surface 611a and a second side wall surface 612a opposite to each other. The plurality of heat-conducting wing portions include a first heat-conducting wing portion 62a and a second heat-conducting wing portion 63a extending in opposite directions from both sides of the first outer side wall surface 611a. The outer side wall surface of the first heat-conducting wing portion 62a, the outer side wall surface of the second heat-conducting wing portion 63a and the first side wall surface 611a form a first heat-conducting surface in contact with the cold storage module 3a. The plurality of heat-conducting wing portions also include a third heat-conducting wing portion 64a and a fourth heat-conducting wing portion 65a extending in opposite directions from both sides of the second surface 612a. The outer side wall surface of the third heat-conducting wing portion 64a, the outer side wall surface of the fourth heat-conducting wing portion 65a and the second side wall surface 612a form a second heat-conducting surface in contact with the cold storage module 3a.

[0080] like Figure 7As shown, the cooling device also includes a guide member 7a sleeved on the outside of the cooling assembly, and a guide gap A is provided between the guide member 7a and the cooling assembly. In this embodiment, the guide member 7a is sleeved on the outside of the cold storage module 3a, and a guide gap A is provided between the cold storage module 3a and the guide member 7a. Since condensed water is generated on the surface of the cold storage module 3a, the guide member 7a can guide the condensed water generated on the surface of the cold storage module 3a to a specific position for collection and discharge. In addition, a certain amount of cooling liquid can also be stored in the guide member 7a, which can increase the heat exchange efficiency and total heat exchange amount of the cold storage module 3a.

[0081] like Figure 8-10 As described, a slot is formed between the side wall of the flow guide 7a and the heat-conducting surface of the heat-conducting member 6a of the cooling assembly, and the cold storage module 3a is detachably plugged into the slot, and a flow-conducting gap A is provided between the cavity wall of the slot and the cold storage module 3a. In this embodiment, a first slot 71a and a second slot 72 are formed between the opposite side walls of the heat-conducting member 6a and the first heat-conducting surface and the second heat-conducting surface of the flow guide 7a, respectively. The cold storage module 3a includes a first cold storage unit 31a and a second cold storage unit 32a, and the first cold storage unit 31a and the second cold storage unit 32a are respectively plugged into the first slot 71a and the second slot 72a for positioning.

[0082] In an exemplary embodiment, the inner wall surfaces of the first slot 71a and the second slot 71a are respectively provided with a first magnetic element (not shown), and the side walls of the first cold storage unit 31b and the second cold storage unit 32b are respectively provided with a second magnetic element (not shown) that is mutually attracted to the first magnetic element. The provision of the first magnetic element and the second magnetic element can realize that the first cold storage unit 31b and the second cold storage unit 32b can be separated from the heat conductive member 6a and are in close contact with the heat conductive member 6a.

[0083] The first magnetic element and the second magnetic element may both be magnetic elements, or one of them may be a magnetic element and the other may be a magnetic conductive element. The first cold storage unit 31 and the heat conductive element 6a may both be magnetic elements, or one of them may be a magnetic element and the other may be a magnetic conductive element. The second cold storage unit 32 and the heat conductive element 6a may both be magnetic elements, or one of them may be a magnetic element and the other may be a magnetic conductive element.

[0084] In an exemplary embodiment, Fig.11 , Fig.12As shown, the cold storage module 3a is provided with a mounting groove 30a that cooperates with the heat conducting member 6a, and the two opposite inner wall surfaces of the mounting groove 30a are in contact with the first heat conducting surface and the second heat conducting surface of the heat conducting member 6a respectively. The mounting groove 30a separates the cold storage module 3a into a first cold storage unit 31a and a second cold storage unit 32a, and a connecting bridge portion 33a connecting the upper ends of the first cold storage unit 31a and the second cold storage unit 32a. The first cold storage unit 31a and the second cold storage unit 32a are inserted into the first slot 71a and the second slot 72a, and the connecting bridge portion 33a is supported on the upper end of the heat conducting member 6a. The cold storage module 3a can be detachably connected to the heat conducting member 6a and keep the first cold storage unit 31a and the second cold storage unit 32a close to the heat conducting surface of the heat conducting member 6a.

[0085] like Figure 7 As shown, the flow guide 7a includes a barrel 73a and a liquid collecting portion 74a located at the lower end of the barrel 73a. The gap between the barrel 73a and the heat conducting member 6a can collect the condensed water into the liquid collecting portion 74a for collection.

[0086] In an exemplary embodiment, the liquid collecting portion 74a is provided with a liquid discharge port (not shown) and a sealing cover (not shown) provided at the liquid discharge port. When the liquid collecting portion 74a collects a certain amount of water, the user can open the sealing cover by himself to discharge the condensed water from the set position out of the guide member.

[0087] The liquid collecting portion 74a and the barrel 73a can be integrated, or can be pulled out or loaded into the barrel 73a. When the liquid collecting portion 74a can be pulled out or loaded into the barrel 73a, after the liquid collecting portion 74a collects a certain amount of condensed water, the user can pull it out and pour it out, and then load it in again.

[0088] In this embodiment, by providing a heat conducting member 6a integrally formed on the outer wall of the cooling pipeline 2a, it is possible to avoid the generation of an air layer between the heat conducting member 6a and the cooling pipeline 2a. At the same time, the heat conducting member 6a can increase the heat exchange area of ​​the cooling pipeline 2a, thereby increasing the heat exchange area between the cooling pipeline 2a and the cold storage module 3a, further improving the heat exchange efficiency.

[0089] The heat conducting member 6a in this embodiment can be made of metal material with good thermal conductivity, such as copper, silver, aluminum, iron, etc., and can be integrally formed with the cooling pipeline 2a by pouring or die-casting.

[0090] like Fig.13 , Fig.14As shown, the third embodiment of the present application provides a cooling device and a liquid heater 100b. The liquid heater 100b includes: a water storage liner 1b and a cooling device. The cooling device includes a cooling assembly, and the cooling assembly includes a cooling pipeline 2b, and a detachable cold storage module 3b installed on the cooling pipeline 2b. The cold storage module 3b is configured to store cold energy and exchange heat with the liquid in the cooling pipeline 2b to cool the liquid in the cooling pipeline 2b. The cooling pipeline 2b can be connected to the water storage liner 1b, and the water storage liner 1b can store liquid and transport liquid to the cooling pipeline 2b.

[0091] The main difference between the liquid heater 100b in this embodiment and the liquid heater 100b in the second embodiment is that the heat conducting member 6b of the liquid heater 100b has a different structure from the heat conducting member 6a of the liquid heater 100a. The remaining features can be referred to the liquid heater 100 and will not be described here.

[0092] like Fig.13 As shown, the heat conducting member 6b covers the outer wall of the cooling pipeline 2b, and the heat conducting member 6b includes a heat conducting plate, and the heat conducting plate is provided with a through hole for the cooling pipe section to pass through. The heat conducting plate has a first heat exchange plate surface and a second heat exchange plate surface opposite to each other. The cold storage module 3b includes a first cold storage unit 31b and a second cold storage unit 32b, and the first cold storage unit 31b and the second cold storage unit 32b can be detachably attached to the first heat exchange plate surface and the second heat exchange plate surface of the heat conducting member 6b.

[0093] In an exemplary embodiment, the heat conducting member 6b is detachably connected to the first cold storage unit 31b and the second cold storage unit 32b by magnetic attraction. The side walls of the heat conducting member 6b are respectively provided with first magnetic elements, and the side walls of the first cold storage unit 31b and the second cold storage unit 32b are respectively provided with second magnetic elements (not shown) that are mutually attracted to the first magnetic elements.

[0094] The arrangement of the first magnetic element and the second magnetic element can realize that the first cold storage unit 31b and the second cold storage unit 32b and the heat conductive member 6b can be separated and closely attached to each other. The first magnetic element and the second magnetic element can both be magnetic elements, or one of them can be a magnetic element and the other can be a magnetic conductive element. The first cold storage unit 31 and the heat conductive member 6a can both be magnetic elements, or one can be a magnetic element and the other can be a magnetic conductive element. The second cold storage unit 32 and the heat conductive member 6a can both be magnetic elements, or one can be a magnetic element and the other can be a magnetic conductive element.

[0095] In an exemplary embodiment, one of the heat conductive member 6b and the first cold storage unit 31 may be provided with a second plug-in portion (not shown, specifically refer to the first embodiment), and the other may be provided with a second plug-in slot (not shown, specifically refer to the first embodiment) that cooperates with the second plug-in portion; similarly, one of the heat conductive member 6b and the second cold storage unit 32 may be provided with a third plug-in portion, and the other may be provided with a third plug-in slot that cooperates with the third plug-in portion. Through the cooperation and plugging of the second plug-in portion and the second plug-in slot, and the cooperation and plugging of the third plug-in portion and the third plug-in slot, the first cold storage unit and the second cold storage unit can be fixed on the heat conductive member 6b, and it is easy to disassemble and assemble.

[0096] In an exemplary embodiment, the cooling device further includes a flow guide member (not shown, for details, refer to the first embodiment) sleeved on the outside of the cooling assembly, and a flow guide gap is provided between the flow guide member and the cooling assembly. The flow guide member is sleeved on the outside of the cold storage module 3 and there is a flow guide gap between the flow guide member. Since condensed water is generated on the surface of the cold storage module 3, the flow guide member can guide the condensed water generated on the surface of the cold storage module 3 to a specific position for collection and discharge. In addition, a certain amount of cooling liquid can also be stored in the flow guide member, which can increase the heat exchange efficiency and total heat exchange amount of the cold storage module 3a.

[0097] like Fig.15 As shown, the fourth embodiment of the present application provides a liquid heater 100c and a cooling device. The liquid heater 100c includes: a water storage liner 1c and a cooling device. The cooling device includes a cooling assembly, and the cooling pipeline includes a cooling pipeline 2c, and a detachable cold storage module installed on the cooling pipeline 2c. The cold storage module is configured to store cold energy and exchange heat with the liquid in the cooling pipeline 2c to cool the liquid in the cooling pipeline 2c. The cooling pipeline 2c can be connected to the water storage liner 1c, and the water storage liner 1c can store liquid and transport liquid to the cooling pipeline 2c. The liquid heater 100c also includes a heat conductor 6c integrally formed on the outer wall of the cooling pipeline 2c.

[0098] The main difference between the liquid heater 100c in this embodiment and the liquid heater 100 in the second embodiment is that the structure of the cooling pipeline 2c is different from that of the cooling pipeline 2. The remaining features can be referred to the liquid heater 100 and will not be repeated here.

[0099] The cooling pipeline 2c in this embodiment includes a cooling pipe section 20c for exchanging heat with the cold storage module. The cooling pipe section 20c is curved. Since the water path of the curved cooling pipe section 20c is longer in the product space of the same height, the heat exchange area with the cold storage module is larger, which can improve the efficiency of heat exchange. In addition, since the cooling pipe section 20c is curved, the cold storage module can be supported by the cooling pipe section 20c.

[0100] like Fig.16 , Fig.17As shown, the fifth embodiment of the present application provides a liquid heater 100d and a cooling device. The liquid heater 100d includes: a water storage tank 1d and a cooling device. The cooling device includes a cooling assembly, and the cooling assembly includes a cooling pipeline 2d, and a detachable cold storage module 3d installed on the cooling pipeline 2d. The cold storage module 3d is configured to store cold energy and exchange heat with the liquid in the cooling pipeline 2d to cool the liquid in the cooling pipeline 2d. The cooling pipeline 2d can be connected to the water storage tank 1d, and the water storage tank 1d can store liquid and transport liquid to the cooling pipeline 2d.

[0101] The main differences between the liquid heater 100d in this embodiment and the liquid heater 100 in the first embodiment are: first, the structure of the cold storage module 3d is different from that of the cold storage module 3; second, the structure of the cooling pipeline 2d is different from that of the cooling pipeline 2; third, the shape of the guide member 7a of the liquid heater 100d is different from that of the guide member 7. The remaining features can be referred to the liquid heater 100 and will not be repeated here.

[0102] like Fig.16 , Fig.17 As shown, the cold storage module 3d in this embodiment is columnar, and the cooling pipeline 2d includes a cooling pipe section 20d for heat exchange with the cold storage module 3d. The cooling pipe section 20d is spirally coiled, and the cooling pipe section 20d is spirally coiled to form a receiving cavity (not numbered). The cold storage module 3d is arranged in the receiving cavity, and the cooling pipe section 20d is wound around the outer wall of the cold storage module 3d. The bottom of the cooling pipe section 20d has a supporting pipe section 21d, and the cold storage module 3d can be supported by the supporting pipe section 21d. Among them, the cold storage module 3d can also be other shapes such as a rectangular parallelepiped, which is not limited here.

[0103] The cooling pipe section 20d of the cooling pipe 2d of this embodiment is designed in a spiral winding shape, which can increase the heat exchange area with the cold storage module 1d and improve the heat exchange efficiency. The cold storage module 3d can be accommodated in the accommodating cavity formed by the spirally winding cooling pipe section 20d, and the cold storage module 3d can be detachably connected to the cooling pipe 2d by inserting or removing the cold storage module 3d into the accommodating cavity.

[0104] like Fig.16 , Fig.17 As shown, the cooling device in this embodiment also includes a guide member 7d sleeved on the outside of the cooling assembly, and a guide gap A is provided between the guide member 7d and the cooling assembly. In this embodiment, the guide member 7d is sleeved on the outside of the cold storage module 3d and the cooling pipeline 2d, and a guide gap A is provided between the spirally coiled cooling pipe section 20d and the guide member 7d. Since condensed water will be generated on the surface of the cold storage module 3d, the guide member 7d can guide the condensed water generated on the surface of the cold storage module 3d to a specific position for collection and discharge. In addition, a certain amount of cooling liquid can also be stored in the guide member 7d, which can increase the heat exchange efficiency and total heat exchange amount of the cold storage module 3d.

[0105] like Fig.17 As shown, the guide member 7d includes a barrel 71d and a liquid collecting portion 72d. The gap between the barrel 71d and the cold storage module 3d can collect condensed water to the liquid collecting portion 72d for collection. In this embodiment, the liquid collecting portion 72d is in a reduced diameter shape, which is conducive to collecting condensed water and discharging the condensed water.

[0106] In an exemplary embodiment, the liquid collecting portion 72d is provided with a liquid discharge port (not shown) and a sealing cover (not shown) provided at the liquid discharge port. After the liquid collecting portion 72d collects a certain amount of water, the user can open the sealing cover by himself to discharge the condensed water from the set position out of the guide member. The liquid collecting portion 72d and the barrel 71d are integrated, or can be pulled out or loaded into the barrel 71d. When the liquid collecting portion 72d can be pulled out or loaded into the barrel 71d, after the liquid collecting portion 72d collects a certain amount of condensed water, the user can pull it out and pour it out, and then load it again.

[0107] The guide member 7d of this embodiment can be fixed on the cooling pipe 2d, and the cold storage module 3d can be positioned by cooperating with the spirally coiled cooling pipe section 20d, and can be supported in the guide member 7d to achieve positioning. The top of the guide member 7d of this embodiment is open, so that the cold storage module 3d can be easily taken in and out.

[0108] In an exemplary embodiment, the liquid heater 100d may also include a heat conductive member (not shown, refer to any of the above embodiments) integrally formed on the outer wall of the cooling pipeline 3d, and the cold storage module 3d is sleeved on the outside of the heat conductive member to exchange heat with the heat conductive member.

[0109] like Figure 18-Figure 20 As shown, the sixth embodiment of the present application provides a liquid heater 100e and a cooling device. The liquid heater 100e includes: a water storage tank 1e and a cooling device. The cooling device includes a cooling assembly, and the cooling assembly includes a cooling pipeline 2e, and a detachable cold storage module 3e installed on the cooling pipeline 2e. The cold storage module 3e is configured to store cold energy and exchange heat with the liquid in the cooling pipeline 2e to cool the liquid in the cooling pipeline 2e. The cooling pipeline 2e can be connected to the water storage tank 1e, and the water storage tank 1e can store liquid and transport liquid to the cooling pipeline 2e.

[0110] The main differences between the liquid heater 100e in this embodiment and the liquid heater 100d in the fifth embodiment are: first, the structure of the cold storage module 3d is different from that of the cold storage module 3; second, the structure of the cooling pipeline 2d is different from that of the cooling pipeline 2; third, the cold storage module 3d and the cooling pipeline 2d are formed by different mounting structures. The remaining features can be referred to the liquid heater 100d and will not be repeated here.

[0111] The cold storage module 3e in this embodiment is columnar and is provided with an annular cavity 30e with an opening at the bottom end, and the annular cavity 30e extends along the height direction of the cold storage module 3e. The cooling pipeline 2e includes a cooling pipe section 20e for exchanging heat with the cold storage module 3e, and the cooling pipe section 20e is spirally coiled. The spirally coiled cooling pipe section 20e is sleeved in the annular cavity 30e and attached to the wall surface of the annular cavity 30e.

[0112] In this embodiment, by placing the spirally coiled cooling pipe section 20e in the annular cavity 30e, the spirally coiled cooling pipe section 20e can exchange heat with the two side walls of the annular cavity 30e, thereby highly improving the heat exchange efficiency. The bottom end of the annular cavity 30e is open and presents an inverted U shape. The top 31e of the cold storage module 3e is supported on the top of the cooling pipe section 20e. The top 31e is provided with an opening 310e that is connected to the annular cavity 30e and for the cooling pipeline 2e to pass through, so that the cold storage module 3d can be supported on the spirally coiled cooling pipe section 20e, and it is also convenient to take and place the cold storage module 3e.

[0113] The annular cavity 30e described in the embodiment of the present application may be an annular cavity surrounding the center of the cold storage module 3e, or may be a cavity arranged in the center of the cold storage module 3e.

[0114] like Fig.19 , Fig. 20 As shown, the guide member 7e includes a barrel 71e and a liquid collecting portion 72e. The gap between the barrel 71e and the cold storage module 3e can collect condensed water to the liquid collecting portion 72e for collection. In this embodiment, the liquid collecting portion 72e is in a reduced diameter shape, which is conducive to collecting condensed water and discharging the condensed water.

[0115] In some exemplary embodiments, Figure 8-Figure 20 As shown, the projection of the portion of the cooling pipeline 2a-2b, 2d-2e located above the cold storage module 3a-3b, 3d-3e on the horizontal plane does not overlap with the projection of the cold storage module 3a-3b, 3d-3e on the horizontal plane, so that the cold storage module block 3a-3b, 3d-3e can be easily removed from the cooling pipeline 2a-2b, 2d-2e or installed on the cooling pipeline 2a-2b, 2d-2e from above, avoiding interference between the portion of the cooling pipeline 2a-2b, 2d-2e located above the cold storage module block 3a-3b, 3d-3e and the cold storage module block 3a-3b, 3d-3e. Figure 11-Figure 12 , Figure 16-Figure 20 As shown, the cold storage modules 3a, 3d-3e can be an integrated structure, or, as shown in Figure 7-Figure 10 As shown, the cold storage module 3a may include a split first cold storage unit 31a and a second cold storage unit 32a. Figure 13-14 As shown, the cold storage module 3b may include a split first cold storage unit 31b and a second cold storage unit 32b.

[0116] In addition, if Figure 7-Figure 10 , Figure 16-Figure 20 As shown, in an embodiment in which a guide member 7a, 7d-7e is sleeved on the outside of the cooling assembly, the cold storage module blocks 3a, 3d-3e are disassembled from the top to avoid affecting the liquid collection parts 74a, 72d-72e at the lower ends of the guide members 7a, 7d-7e to store condensed water or the second cooling liquid.

[0117] It will be appreciated by those skilled in the art that all or some of the steps, systems, and functional modules / units in the methods disclosed above may be implemented as software, firmware, hardware, and appropriate combinations thereof. In hardware implementations, the division between the functional modules / units mentioned in the above description does not necessarily correspond to the division of physical components; for example, a physical component may have multiple functions, or a function or step may be performed by several physical components in cooperation. Some or all components may be implemented as software executed by a processor, such as a digital signal processor or a microprocessor, or implemented as hardware, or implemented as an integrated circuit, such as an application-specific integrated circuit. Such software may be distributed on a computer-readable medium, which may include a computer storage medium (or non-transitory medium) and a communication medium (or temporary medium). As known to those skilled in the art, the term computer storage medium includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data). Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tapes, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store the desired information and can be accessed by a computer. In addition, it is well known to those of ordinary skill in the art that communication media typically contain computer-readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media.

Claims

1. A cooling device, It is characterized in that The invention comprises: a cooling component, the cooling component comprising a cooling pipeline (2) and a cold storage module (3), the cold storage module (3) being detachably mounted on the cooling pipeline (2), and the cold storage module (3) being configured to store cold energy and to exchange heat with liquid in the cooling pipeline (2) so as to cool the liquid in the cooling pipeline (2).

2. The cooling device according to claim 1, It is characterized in that The cooling pipeline (2) comprises a cooling pipe section (20) for exchanging heat with the cold storage module (3), and the cold storage module (3) covers the outer wall surface of the cooling pipe section (20); The cold storage module comprises a first cold storage unit and a second cold storage unit, and the contacting end surfaces of the first cold storage unit (31) and the second cold storage unit (32) are respectively provided with a first receiving groove (310) and a second receiving groove (320), and the first receiving groove (310) and the second receiving groove (320) cooperate to form a receiving groove for installing the cooling pipe section (20).

3. The cooling device according to claim 2, It is characterized in that The first cold storage unit (31) and the second cold storage unit (32) are detachably connected via magnetic attraction; or, One of the first cold storage unit (31) and the second cold storage unit (32) is provided with a first plug-in portion (321), and the other is provided with a first plug-in slot (311) that cooperates with and plugs into the first plug-in portion (321).

4. The cooling device according to claim 1, It is characterized in that The cooling pipeline (2a) comprises a cooling pipe section (20a) for exchanging heat with the cold storage module (3a); the cooling device further comprises a heat conducting member (6a) fixed to the outer wall surface of the cooling pipe section (20a); the heat conducting member (6a) is configured to be able to exchange heat with the cooling pipeline (2a); the cold storage module (3a) is detachably connected to the heat conducting member (6a) and is configured to be able to exchange heat with the heat conducting member (6a).

5. The cooling device according to claim 4, It is characterized in that The heat conducting member (6a) is integrally formed with the cooling pipe section.

6. The cooling device according to claim 4, It is characterized in that The heat conducting member (6b) comprises a heat conducting plate, the heat conducting plate being provided with a through hole for the cooling pipe section to pass through, and the first plate surface and the second plate surface opposite to each other of the heat conducting plate respectively forming a first heat conducting surface and a second heat conducting surface for contacting and exchanging heat with the cold storage module (3b).

7. The cooling device according to claim 4, It is characterized in that The heat conducting member (6a) comprises a heat conducting block (61a) covering the cooling pipeline (2a), and a plurality of heat conducting fins (62a, 63a, 64a, 65a) extending from the side of the heat conducting block (61a) in a direction away from the outer wall surface of the cooling pipeline; The outer wall surfaces of the multiple heat-conducting fins (62a, 63a, 64a, 65a) are connected to the side wall surface of the heat-conducting block (61a) to form multiple heat-conducting surfaces, and the cold storage module (3a) is in contact with the multiple heat-conducting surfaces.

8. The cooling device according to claim 7, It is characterized in that The heat conducting block comprises a first side wall surface (611a) and a second side wall surface (612a) opposite to each other; The plurality of heat-conducting fins include a first heat-conducting fin (62a) and a second heat-conducting fin (63a) extending in opposite directions from both sides of the first side wall (611a); the outer wall surface of the first heat-conducting fin (62a), the outer wall surface of the second heat-conducting fin (63a) and the first side wall (611a) form a first heat-conducting surface in contact with the cold storage module (3a); The plurality of heat-conducting fins also include a third heat-conducting fin (64a) and a fourth heat-conducting fin (65a) extending in opposite directions from both sides of the second side wall surface (612a); the outer wall surface of the third heat-conducting fin (64a), the outer wall surface of the fourth heat-conducting fin (65a) and the second side wall surface (612a) form a second heat-conducting surface in contact with the cold storage module (3a).

9. The cooling device according to claim 6 or 8, It is characterized in that The cold storage module (3a) is provided with a mounting groove (30a) that is plugged into and matched with the heat conducting member (6a), and two opposite inner wall surfaces of the mounting groove (30a) are in contact with the first heat conducting surface and the second heat conducting surface respectively; or The cold storage module (3a) comprises a first cold storage unit (31a) and a second cold storage unit (32a), wherein the first cold storage unit (31a) and the second cold storage unit (32a) are in contact with the first heat conduction surface and the second heat conduction surface respectively.

10. The cooling device according to any one of claims 4 to 8, It is characterized in that The cold storage module (3b) comprises a first cold storage unit (31b) and a second cold storage unit (32b); the heat conductive member is detachably connected to the first cold storage unit (31b) by magnetic attraction; or, one of the heat conductive member (6b) and the first cold storage unit (31b) is provided with a second plug-in portion, and the other is provided with a second plug-in slot that cooperates with the second plug-in portion; the heat conductive member (6b) and the second cold storage unit (32b) are detachably connected by magnetic attraction; or, one of the heat conductive member (6b) and the second cold storage unit (32b) is provided with a third plug-in portion, and the other is provided with a third plug-in slot that cooperates with the third plug-in portion.

11. The cooling device according to any one of claims 2 to 8, It is characterized in that The cooling pipe section (20) is in a straight line or in a curved shape.

12. The cooling device according to claim 1, It is characterized in that The cooling pipeline (2d) comprises a cooling pipe section (20d) for exchanging heat with the cold storage module (3d), and the cooling pipe section (20d) is spirally coiled to enclose a receiving cavity; The bottom of the cooling pipe section (20d) is provided with a supporting pipe section (21d); the cold storage module (3d) is arranged in the accommodating cavity and supported by the supporting pipe section (21d).

13. The cooling device according to claim 1, It is characterized in that The cooling pipeline (2e) comprises a cooling pipe section (20e) for exchanging heat with the cold storage module (3e), and the cooling pipe section (20e) is in a spirally coiled shape; The cold storage module (3e) is provided with an annular cavity (30e) with an opening at the bottom end, the cooling pipe section (20e) is sleeved in the annular cavity (30e), and the cold storage module (3e) is supported by the cooling pipe section (20e).

14. The cooling device according to any one of claims 1 to 8, 12 to 13, It is characterized in that The projection of the portion of the cooling pipeline (2) located above the cold storage module (3) on the horizontal plane does not overlap with the projection of the cold storage module (3) on the horizontal plane.

15. The cooling device according to any one of claims 1 to 8, 12 to 13, It is characterized in that The cold storage module (3) is a metal part; or the cold storage module (3) comprises a cold storage shell and a first cooling liquid arranged in the cold storage shell.

16. The cooling device according to any one of claims 1 to 8, 12 to 13, It is characterized in that The cooling device further comprises a flow guide member (7) sleeved on the outside of the cooling assembly, and a flow guide gap (A) is provided between the flow guide member (7) and the cooling assembly.

17. The cooling device according to claim 16, It is characterized in that The guide gap (A) is configured to be filled with a second coolant.

18. The cooling device according to any one of claims 4 to 8, It is characterized in that It also includes a flow guide member (7a) sleeved on the outside of the cooling assembly, a slot is formed between the flow guide member (7a) and the heat conductive member (6a), the cold storage module (3a) is detachably plugged into the slot, and a flow guide gap (A) is provided between the cavity wall of the slot and the cold storage module.

19. The cooling device according to claim 18, wherein It is characterized in that The guide gap (A) is configured to be filled with a second coolant.

20. The cooling device according to claim 16, It is characterized in that The flow guide (7) comprises a sleeve portion (71) and a liquid collecting portion (72) arranged at the lower end of the sleeve portion (71); the liquid collecting portion (72) is provided with a drainage port and a sealing cover arranged at the drainage port.

21. A liquid heater (100), It is characterized in that include: A water storage tank (1), a heating element (5), a cooling device according to any one of claims 1 to 20, and a booster pump (4) connected between a water inlet end of a cooling pipeline (2) of the cooling device and a water outlet end of the water storage tank (1), wherein the heating element (5) is configured to heat the liquid in the water storage tank (1).

22. The liquid heater (100) according to claim 21, It is characterized in that A heat insulation cavity or a heat insulation board is provided between the water storage liner (1) and the cold storage module (3) of the cooling device.

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