Water purifier

Abstract

This invention relates to the field of drinking water equipment technology and discloses a water purifier, including a base, a support, and a body. The support is connected to the base, with a filter cartridge mounting position at the top and a pressure pump mounting position at the bottom. The support also has a mainboard mounting position, an adapter mounting position, and a heat exchange mounting position along its circumference. The body covers the outer periphery of the support and is connected to the base. This invention, by rationally arranging the filter cartridge mounting position, pressure pump mounting position, mainboard mounting position, adapter mounting position, and heat exchange mounting position on the support, facilitates the integrated installation of the filter cartridge, pressure pump, control mainboard, power adapter, and heat exchange mechanism on the support. This allows multiple structural components inside the water purifier to be installed and fixed using the same support, eliminating the need for separate support components for each component. This results in a more optimized and rational internal space layout, a compact structure, reduced overall size, improved assembly efficiency, and lower equipment costs.

Description

Technical Field

[0001] This invention relates to the field of drinking water equipment technology, specifically to a water purifier. Background Technology

[0002] As a new category of water purifiers, countertop water purifiers are popular in the drinking water market due to their features such as no installation required and instant hot water supply. Because people have a habit of drinking boiled water, existing countertop water purifiers are gradually integrating functions for boiling water and preparing cooked water (boiled water cooled to a certain temperature) to meet diverse drinking water needs. This means that countertop water purifiers further need to install heat exchange structures to exchange heat with boiling water to prepare ready-to-drink cooked water, undoubtedly increasing the structural complexity of countertop water purifiers.

[0003] Currently, countertop water purifiers on the market have many internal components, requiring numerous support components for installation and fixation. This results in countertop water purifiers being large in size, having low assembly efficiency, and high cost. Summary of the Invention

[0004] In view of this, the present invention provides a water purifier to solve the problems of large overall size, low assembly efficiency and high cost of existing countertop water purifiers.

[0005] The present invention provides a water purifier, including a base, a bracket, and a body. The bracket is connected to the base. The top of the bracket has a filter element mounting position, the bottom of the bracket has a pressure stabilizing pump mounting position, and the circumferential direction of the bracket has a motherboard mounting position, an adapter mounting position, and a heat exchange mounting position. The body covers the outer periphery of the bracket and is connected to the base.

[0006] Beneficial effects: By rationally arranging filter cartridge mounting positions, pressure stabilizing pump mounting positions, main board mounting positions, adapter mounting positions, and heat exchange mounting positions on the bracket, it is convenient to integrate and install the filter cartridge, pressure stabilizing pump, control main board, power adapter, and heat exchange mechanism on the bracket. The internal structure of the bracket is fixed by the body covering the outer perimeter of the bracket. This allows multiple structural components inside the water purifier to be installed and fixed through the same bracket, eliminating the need for separate support components for each structural component. This makes the internal space layout of the water purifier more optimized and reasonable, the structure more compact, and helps to reduce the overall size of the water purifier, improve assembly efficiency, and reduce equipment costs.

[0007] In one optional embodiment, the water purifier further includes a heat exchange mechanism installed at the heat exchange mounting position, used to heat the filtered pure water to boiling and exchange heat to a preset temperature.

[0008] Beneficial effects: The heat exchange mechanism can heat the filtered pure water to boiling and exchange heat to the preset temperature for users to drink immediately, reducing the waiting time for drinking water.

[0009] In one optional embodiment, the heat exchange mechanism includes a first water channel plate, a first heating element, a second heating element, a heat exchange component, and a second water channel plate. The first water channel plate has a pure water inlet, a pure water outlet, a cooling water return inlet, and a cooling water return outlet. The pure water inlet and the pure water outlet are connected, as are the cooling water return inlet and the cooling water return outlet. The first heating element has a first heating inlet and a first heating outlet, which are connected to the pure water outlet. The second heating element has a second heating inlet and a second heating outlet, which are connected to the cooling water return outlet for heating the cooling water return to boiling. The heat exchange component has a heat exchange inlet, a heat exchange outlet, a cooling water inlet, and a cooling water outlet. The cooling water outlet is connected to the cooling water return outlet. The return water inlet is connected. The second water circuit board has a connected first heating element outlet and a cooling water inlet, a connected second heating element outlet and a heat exchange water inlet, a connected heat exchange water outlet and a boiled water inlet. The first heating element outlet and the first heating water outlet are connected, the cooling water inlet and the cooling water inlet are connected, the second heating element outlet and the second heating water outlet are connected, the heat exchange water inlet and the heat exchange water inlet are connected, and the heat exchange water outlet and the heat exchange water outlet are connected. The heated pure water flowing out of the first heating element and the boiling water flowing out of the second heating element enter the heat exchange component for heat exchange. The boiling water is heated to the preset temperature through the heat exchange component and flows to the boiled water inlet through the heat exchange water outlet.

[0010] Beneficial effects: Filtered pure water flows into the first water circuit board from the pure water inlet, then into the first heating element via the pure water outlet and the first heating inlet. The heated pure water then flows into the second water circuit board via the first heating outlet and the first heating element outlet. It then flows into the heat exchange component via the cooling water inlet and the cooling water outlet, and then back into the first water circuit board via the cooling water outlet and the cooling water return inlet. It then flows into the second heating element via the cooling water return outlet and the second heating inlet for heating and boiling. The boiled water then flows into the second water circuit board via the second heating outlet and the second heating element outlet, and then into the heat exchange component via the heat exchange water inlet and the heat exchange water outlet. The heated pure water from the first heating element and the heated boiling water from the second heating element exchange heat in the heat exchange component, thereby heating the boiling water to a preset temperature. The boiling water then flows to the boiled water outlet via the heat exchange water outlet for drinking. The first heating element heats the pure water, which then exchanges heat with boiling water. The pure water with the increased heat exchange temperature enters the second heating element and boils again, thus recovering heat. The boiling water with the decreased heat exchange temperature becomes boiled water that can be consumed by the user and flows to the boiled water inlet for use. The design of the first and second water circuit boards avoids complex piping and assembly, simplifies the internal structure of the water purifier, and increases its integration, resulting in a significant reduction in the overall size of the water purifier.

[0011] In one alternative implementation, the power of the first heating element is configured to be adjustable so that the pure water can be heated to different temperatures by adjusting the power of the first heating element.

[0012] Beneficial effects: By adjusting the power of the first heating element, pure water can be heated to different temperatures, and heat exchange can be performed between pure water at different temperatures and boiling water to achieve heat exchange of boiling water to different temperatures, thus meeting the diverse drinking water needs of users.

[0013] In one optional embodiment, the second water circuit board further includes a boiling water inlet and a pipeline switching structure. The pipeline switching structure has a first state that connects the first heating element outlet and the cooling water inlet, and a second state that connects the first heating element outlet and the boiling water inlet. When the pipeline switching structure is in the first state, the water purifier is in a boiled water production mode. When the pipeline switching structure is in the second state, the water purifier is in a boiling water production mode.

[0014] Beneficial effects: When the water purifier needs to enter the boiled water production mode to prepare boiled water, the pipeline switching structure is in the first state, where the outlet of the first heating element and the inlet of the cooling water are connected. The purified water heated by the first heating element and the boiling water heated by the second heating element both enter the heat exchange component for heat exchange. The boiling water exchanges heat with the purified water through the heat exchange component to reach a preset temperature and flows through the heat exchange water outlet to the boiled water outlet for immediate use. When the water purifier needs to enter the boiling water production mode to prepare boiling water, the pipeline switching structure is in the second state, where the outlet of the first heating element and the boiling water outlet are connected. The first heating element heats the purified water to boiling, and the boiling water flows through the first heating element outlet to the boiling water outlet for user use. By setting the pipeline switching structure, the water purifier can switch between boiled water production mode and boiling water production mode to meet different user drinking needs.

[0015] In one optional embodiment, the pipeline switching structure is a reversing valve. The valve inlet of the reversing valve is connected to the water outlet of the first heating element, the first valve outlet of the reversing valve is connected to the cooling water inlet, and the second valve outlet of the reversing valve is connected to the boiling water intake. In the first state, the valve inlet and the first valve outlet are connected, and in the second state, the valve inlet and the second valve outlet are connected.

[0016] Beneficial effects: The pipeline switching structure is specifically set as a reversing valve. Depending on the water production mode of the water purifier, the reversing valve changes the direction of the water flow from the outlet of the first heating element, thereby achieving different water production needs.

[0017] In one optional embodiment, the heat exchange component, the first heating element, and the second heating element are arranged side by side in the middle of the bracket. The first water channel plate is connected to the bottom of the bracket and is located below the heat exchange component, the first heating element, and the second heating element. The second water channel plate is connected to the top of the bracket and is located above the heat exchange component, the first heating element, and the second heating element.

[0018] Beneficial effects: By setting the first water circuit plate and the second water circuit plate at the bottom and top of the bracket respectively, and by arranging the heat exchange components, the first heating element and the second heating element side by side in the middle of the bracket and between the first water circuit plate and the second water circuit plate, the components in the heat exchange mechanism are rationally arranged on the bracket, optimizing the installation space and making the arrangement of each structure more compact.

[0019] In one optional embodiment, a first positioning structure for positioning the bracket and the base is provided between them, and / or a second positioning structure for positioning the bracket and the body is provided between them, and / or a third positioning structure for positioning the base and the body is provided between them.

[0020] Beneficial effects: The first positioning structure positions the bracket and the base, the second positioning structure positions the bracket and the body, and the third positioning structure positions the base and the body, thereby ensuring the accuracy of the installation positions of the bracket, base, and body.

[0021] In one optional embodiment, the base and the body are fixed together by a first fixing structure, the base and the bracket are fixed together by a second fixing structure, and the base, the body and the bracket are fixed together by a third fixing structure.

[0022] Beneficial effects: The first fixing structure connects and fixes the base and the body, the second fixing structure connects and fixes the base and the bracket, and the third fixing structure connects and fixes the base, body and bracket, thereby ensuring the connection strength and reliability of the base, body and bracket. Even if any fixing structure becomes loose, the connection between the base, body and bracket can still be ensured.

[0023] In one alternative embodiment, the base is provided with an overflow hole.

[0024] Beneficial effects: The overflow hole is used to promptly drain water from the inside of the water purifier when the whole machine leaks, preventing electrical accidents and improving the safety of use.

[0025] In one optional embodiment, the water purifier further includes a raw water tank and a filter element, the filter element being disposed at the filter element mounting position, the raw water tank being connected to the body and communicating through the body and the filter element inside.

[0026] Beneficial effects: The raw water tank is fixed by the body support and stores raw water (untreated water such as tap water). The raw water flows into the filter element to achieve filtration and purification to form pure water.

[0027] In one alternative embodiment, one of the raw water tank and the body has a hook and the other has a hook groove, with the hook hooked into the hook groove.

[0028] Beneficial effects: The raw water tank and the machine body are connected by hooks and hook slots, which facilitates the disassembly and fixing of the raw water tank and makes assembly convenient.

[0029] In one optional embodiment, the body includes a top cover, a main body, and a side plate. The main body has an internal cavity for mounting the bracket. The top cover is connected to the main body and covers the top opening of the internal cavity. The main body has a water intake hole communicating with the internal cavity. The side plate is connected to the side of the main body and has a water outlet clearance hole corresponding to and communicating with the water intake hole.

[0030] Beneficial effects: The bracket is installed in the built-in cavity of the main body. The top cover seals the top opening of the built-in cavity, and the base seals the bottom opening of the built-in cavity, thereby fixing the bracket in the built-in cavity. The side panels reinforce and decorate the sides of the main body.

[0031] In one optional embodiment, one of the top cover and the body body is provided with a push-stop rib and the other is provided with a push-stop position. The top cover and the body body can move relative to each other so that the push-stop rib and the push-stop position can be inserted into or separated.

[0032] Beneficial effects: By setting a push-stop rib in one of the top cover and the main body and a push-stop position in the other, during installation, the push-stop rib can be inserted into the push-stop position by moving the top cover and the main body closer together, and the push-stop rib can be separated from the push-stop position by moving the top cover and the main body further apart. This makes disassembly and assembly convenient and enables quick replacement of the internal structure of the water purifier.

[0033] In one optional embodiment, one of the side plate and the fuselage body is provided with a connecting rib, and the other is provided with a connecting stop position, wherein the connecting rib is inserted and fixed to the connecting stop position; and / or, a fixed connection structure is provided between the side plate and the fuselage body, wherein the fixed connection structure is connected to both the side plate and the fuselage body.

[0034] Beneficial effects: By interlocking the ribs and the interlocking stop, the side panel and the main body are positioned and connected, ensuring the installation and fixation between the side panel and the main body.

[0035] In one optional embodiment, the main body of the device is further provided with an assembly cavity and a display mounting position, wherein the assembly cavity is located below the display mounting position and is separated from the built-in cavity.

[0036] Beneficial effects: The assembly cavity facilitates the installation of the pure water tank, and the display mounting position facilitates the installation of the display component. Thus, through the reasonable arrangement of the body, the bracket, pure water tank, display component and raw water tank are integrated and connected to the body, resulting in a more compact overall structure and smaller size.

[0037] In one optional embodiment, the water purifier further includes a display component disposed at the display mounting position, and a fourth positioning structure is provided between the display component and the main body, the fourth positioning structure being used for assembly positioning between the display component and the main body; and / or, a snap-fit ​​structure is provided between the display component and the main body, the snap-fit ​​structure being used for snap-fit ​​fixing between the display component and the main body.

[0038] Beneficial effects: By setting a fourth positioning structure between the display component and the main body, the assembly between the display component and the main body is positioned using the fourth positioning structure, ensuring the assembly accuracy between the two.

[0039] In one optional embodiment, the water purifier further includes a pure water tank disposed within the assembly cavity. The pure water tank includes a pure water tank body, a pure water tank shell, and a handle. The pure water tank body is disposed within the pure water tank shell, the pure water tank shell is assembled in the assembly cavity, and the handle is connected to the pure water tank shell and located outside the assembly cavity.

[0040] Beneficial effects: The main body of the pure water tank is used to hold pure water filtered by the filter element. The outer shell of the pure water tank protects the main body of the pure water tank. The handle located on the outside of the assembly cavity makes it easy for users to move and transport the pure water tank.

[0041] In one optional embodiment, the water purifier further includes a water outlet structure, which is connected via the water outlet clearance hole, the water intake hole, and the boiled water intake on the second water circuit board.

[0042] Beneficial effects: The boiled water from the boiled water inlet and the boiling water from the boiling water inlet can both be led out through the spout structure to the outside of the water purifier for users to drink.

[0043] In one optional embodiment, the spout structure includes a spout body and a spout decorative element. The spout body is sealed to the boiled water inlet and the hot water inlet. The spout decorative element is connected to the side plate and covers the spout body.

[0044] Beneficial effects: The boiled water from the boiled water inlet and the boiling water from the boiling water inlet both flow out through the spout body for users to drink. The spout decorative part protects and decorates the spout body, enhancing its external aesthetics. Attached Figure Description

[0045] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0046] Figure 1 This diagram shows an overall exploded view of the countertop water purifier in an embodiment of the present invention.

[0047] Figure 2 This invention provides a three-dimensional exploded view of the support frame and heat exchange assembly in a tabletop water purifier according to an embodiment of the invention.

[0048] Figure 3 A schematic diagram of the base of the countertop water purifier in an embodiment of the present invention is shown;

[0049] Figure 4 The diagram shows a front view of the bracket and heat exchange assembly in a countertop water purifier according to an embodiment of the present invention.

[0050] Figure 5 A bottom view of the bracket in an embodiment of the present invention is shown;

[0051] Figure 6 A top view of the bracket in an embodiment of the present invention is shown;

[0052] Figure 7 A left view of the bracket in an embodiment of the present invention is shown;

[0053] Figure 8 A top view of the first water channel plate in an embodiment of the present invention is shown;

[0054] Figure 9 A left view of the second water channel plate in an embodiment of the present invention is shown;

[0055] Figure 10 A top view of the second water channel plate in an embodiment of the present invention is shown;

[0056] Figure 11 A right view of the second water channel plate in an embodiment of the present invention is shown;

[0057] Figure 12 A front view of a heat exchange component in an embodiment of the present invention is shown;

[0058] Figure 13 A right view of a heat exchange component in an embodiment of the present invention is shown;

[0059] Figure 14 A three-dimensional exploded structural diagram of the heat exchange component in an embodiment of the present invention is shown;

[0060] Figure 15 A schematic diagram of the top cover structure in an embodiment of the present invention is shown;

[0061] Figure 16 A front view of the fuselage body in an embodiment of the present invention is shown;

[0062] Figure 17 A top view of the fuselage body in an embodiment of the present invention is shown;

[0063] Figure 18 A bottom view of the fuselage body in an embodiment of the present invention is shown;

[0064] Figure 19 A left view of the fuselage body in an embodiment of the present invention is shown;

[0065] Figure 20 A schematic diagram of the side plate structure in an embodiment of the present invention is shown;

[0066] Figure 21 A schematic diagram of the pure water tank in an embodiment of the present invention is shown;

[0067] Figure 22 A schematic diagram of the pure water tank adapter in an embodiment of the present invention is shown;

[0068] Figure 23 A top view of the display component in an embodiment of the present invention is shown;

[0069] Figure 24 A front view of the display component in an embodiment of the present invention is shown;

[0070] Figure 25 A side view of the display component is shown in an embodiment of the present invention.

[0071] Explanation of reference numerals in the attached figures:

[0072] 1. Base; 11. First positioning post; 12. Surrounding rib; 13. First fixing hole; 14. Second fixing hole; 15. Overflow hole;

[0073] 2. Heat exchange mechanism; 21. First water circuit board; 211. Pure water inlet; 212. Pure water outlet; 213. Cooling water return inlet; 214. Cooling water return outlet; 215. Temperature sensor; 216. Switch valve; 217. Flow meter; 218. Water pump; 219. Pure water interface; 22. First heating element; 221. First heating water inlet; 222. First heating water outlet; 23. Second heating element; 231. Second heating water inlet; 232. Second heating water outlet; 24. Heat exchange component; 241. Heat exchanger Inner pipe; 2411, heat exchange inlet; 2412, heat exchange outlet; 242, heat exchange outer pipe; 2421, cooling water inlet; 2422, cooling water outlet; 25, second water circuit board; 251, first heating element outlet; 252, cooling water inlet; 253, second heating element outlet; 254, heat exchange water inlet; 255, heat exchange water outlet; 256, boiled water inlet; 257, hot water inlet; 258, reversing valve; 2581, first valve outlet; 2582, second valve outlet;

[0074] 3. Bracket; 31. Filter element mounting position; 32. Pressure stabilizing pump mounting position; 33. Mainboard mounting position; 34. Adapter mounting position; 35. Heat exchanger mounting position; 36. Base positioning slot;

[0075] 4. Body; 41. Top cover; 411. Push stop rib; 42. Body body; 421. Water intake hole; 422. Push stop position; 423. Insertion stop position; 424. Assembly cavity; 425. Display mounting position; 4251. Pre-fixed buckle position; 4252. Pre-positioning post; 426. Hook; 427. Peripheral stop; 428. Fixing post; 429. Second positioning post; 43. Side plate; 431. Water outlet clearance hole; 432. Insertion rib;

[0076] 5. Pure water tank; 51. Pure water tank body; 52. Pure water tank outer shell; 53. Handle;

[0077] 6. Pure water tank adapter; 61. First adapter; 62. Second adapter; 63. Clip;

[0078] 7. Raw water tank; 71. Hook groove;

[0079] 8. Display component; 81. Pre-fixed buckle; 82. Pre-positioning hole;

[0080] 9. Water outlet structure; 91. Water outlet body; 92. Water outlet decorative parts. Detailed Implementation

[0081] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0082] The following is combined with Figures 1 to 25 The following describes embodiments of the present invention.

[0083] According to embodiments of the present invention, such as Figure 1 As shown, a water purifier is provided, including a base 1, a bracket 3 and a body 4. The bracket 3 is connected to the base 1. The top of the bracket 3 has a filter element mounting position 31, the bottom of the bracket 3 has a pressure stabilizing pump mounting position 32, and the circumference of the bracket 3 has a main board mounting position 33, an adapter mounting position 34 and a heat exchange mounting position 35. The body 4 covers the outer periphery of the bracket 3 and is connected to the base 1.

[0084] In this embodiment, the water purifier has a filter element mounting position 31, a pressure stabilizing pump mounting position 32, a main board mounting position 33, an adapter mounting position 34, and a heat exchange mounting position 35 arranged reasonably on the bracket 3. This allows the filter element, pressure stabilizing pump, control main board, power adapter, and heat exchange mechanism 2 to be rationally integrated and installed on the bracket 3. The internal structure of the bracket 3 is fixed by the body 4 covering the outer periphery of the bracket 3. This allows multiple structural components inside the water purifier to be installed and fixed through the same bracket 3 without the need to configure support components for each structural component separately. This makes the internal space arrangement of the water purifier more optimized and reasonable, the structure more compact, and helps to reduce the overall size of the water purifier, improve assembly efficiency, and reduce equipment costs.

[0085] In this embodiment, the base 1 provides support and connection to the bottom of the body 4 and the bracket 3. The bracket 3 has multiple mounting positions that can be used to support and install the filter element, pressure stabilizing pump, control motherboard, power adapter and heat exchange mechanism 2. The body 4 can cover the bracket 3 to protect and fix the filter element, pressure stabilizing pump, control motherboard, power adapter and heat exchange mechanism 2, etc., to avoid the structure being exposed, and to improve aesthetics and safety.

[0086] In this embodiment, the water purifier also includes a heat exchange mechanism 2, which is installed at the heat exchange mounting position 35. The heat exchange mechanism 2 heats the filtered pure water to boiling and exchanges heat to a preset temperature. The heat exchange mechanism 2 can heat the filtered pure water to boiling and exchange heat to a preset temperature for immediate drinking by the user, reducing waiting time for drinking water.

[0087] It is understood that the preset temperature can be determined according to drinking needs. For example, the preset temperature can be 45℃ for direct drinking or 65℃ for brewing. This embodiment does not impose any specific limitations.

[0088] In terms of specific structure, the heat exchange mechanism 2 includes a first water channel plate 21, a first heating element 22, a second heating element 23, a heat exchange component 24, and a second water channel plate 25. The first water channel plate 21 has a pure water inlet 211, a pure water outlet 212, a cooling water return inlet 213, and a cooling water return outlet 214. The pure water inlet 211 and the pure water outlet 212 are connected, and the cooling water return inlet 213 and the cooling water return outlet 214 are connected. The first heating element 22 has a first… The system includes a heating inlet 221, a first heating outlet 222, and a pure water outlet 212. A second heating element 23 has a second heating inlet 231 and a second heating outlet 232, with the second heating inlet 231 connected to a cooling water return outlet 214 for heating the cooling water return to boiling. A heat exchange component 24 has a heat exchange inlet 2411, a heat exchange outlet 2412, a cooling water inlet 2421, and a cooling water outlet 2422. The coolant outlet 2422 is connected to the cooling water return inlet 213. The second water circuit board 25 has a connected first heating element outlet interface 251 and cooling water inlet interface 252, a connected second heating element outlet interface 253 and heat exchange water inlet interface 254, a connected heat exchange water outlet interface 255 and boiled water inlet 256. The first heating element outlet interface 251 is connected to the first heating outlet 222, and the cooling water inlet interface 252 is connected to the cooling water inlet 2421. The second heating element outlet 2422 is connected to the first heating outlet 222. The hot water outlet 253 is connected to the second heating water outlet 232, the heat exchange water inlet 254 is connected to the heat exchange water inlet 2411, and the heat exchange water outlet 255 is connected to the heat exchange water outlet 2412. The heated pure water flowing out from the first heating element 22 and the boiling water flowing out from the second heating element 23 enter the heat exchange component 24 for heat exchange. The boiling water is heated to the preset temperature through the heat exchange component 24 and flows to the boiled water outlet 256 through the heat exchange water outlet 255.

[0089] In the above configuration, filtered pure water flows into the first water circuit board 21 from the pure water inlet 211, then flows into the first heating element 22 for heating via the pure water outlet 212 and the first heating inlet 221. The heated pure water then flows into the second water circuit board 25 via the first heating outlet 222 and the first heating element outlet 251. It then flows into the heat exchange component 24 via the cooling water inlet 252 and the cooling water inlet 2421, and finally flows back to the first water circuit board 21 via the cooling water outlet 2422 and the cooling water return inlet 213. Finally, it flows through the cooling water return outlet 214 and the second heating inlet 251... 31 flows into the second heating element 23 for heating and boiling. The heated boiling water flows through the second heating outlet 232 and the second heating element outlet 253 to the second water circuit board 25, and then flows into the heat exchange component 24 through the heat exchange water inlet 254 and the heat exchange inlet 2411. The heated pure water flowing out of the first heating element 22 and the heated boiling water flowing out of the second heating element 23 undergo heat exchange in the heat exchange component 24, thereby heating the boiling water to the preset temperature and flowing through the heat exchange water outlet 255 to the boiled water outlet 256 for users to drink. The first heating element 22 heats the pure water, which then exchanges heat with boiling water. The pure water with the increased heat exchange temperature can enter the second heating element 23 to boil and form boiling water, thus achieving heat recovery. The boiling water with the decreased heat exchange temperature becomes boiled water that can be consumed by the user and flows to the boiled water inlet 256 for use. The design of the first water circuit board 21 and the second water circuit board 25 avoids complex piping and assembly, simplifies the internal structure of the water purifier, and has a high degree of integration, which greatly reduces the overall size of the water purifier.

[0090] In the first water circuit board 21, the pure water inlet 211 and the pure water outlet 212 are connected by a first channel, and the cooling water return inlet 213 and the cooling water return outlet 214 are connected by a second channel. The first channel facilitates the flow of filtered pure water, and the second channel facilitates the flow of cooling water flowing out of the self-heating exchange component 24.

[0091] Furthermore, the first channel is equipped with a temperature sensor 215, a flow meter 217, and a shut-off valve. The temperature sensor 215 is located upstream of the shut-off valve, and the flow meter 217 is located between the temperature sensor 215 and the shut-off valve. The temperature sensor 215 is used to detect the temperature of the outflowing pure water, the flow meter 217 is used to detect the flow rate of the outflowing pure water, and the shut-off valve is used to control the opening and closing of the first channel to ensure that pure water can only flow in the first channel when the shut-off valve is open, thus avoiding leakage.

[0092] To ensure the power output of pure water, a water pump 218 is also provided on the first water circuit board 21. The water pump 218 can pump the filtered pure water to the first channel of the first water circuit board 21. Preferably, the water pump 218 can be set as a self-priming water pump 218.

[0093] In addition, a pure water interface 219 is provided on the first water circuit plate 21. The water purifier also includes a filter element, a pure water tank 5, and a pure water tank adapter 6. The filter element is installed in the filter element mounting position 31 of the bracket 3. The pure water tank 5 is connected to the body 4. The pure water tank adapter 6 is connected to the first water circuit plate 21. The filter element outlet is connected to the pure water interface 219. The pure water interface 219 is connected to the pure water tank inlet 5. The pure water tank outlet is connected to the first adapter interface 61 of the pure water tank adapter 6. The second adapter interface 62 of the pure water tank adapter 6 is connected to the pure water inlet 211. The filter element can filter raw water to form pure water. The pure water flows into the pure water tank 5 through the filter element outlet and the pure water interface 219 for storage. The pure water in the pure water tank 5 is then transported to the pure water inlet 211 of the first water circuit plate 21 through the pure water tank adapter 6.

[0094] The pure water tank adapter 6 is also provided with buckles 63 on both sides. The pure water tank adapter 6 is snapped and fixed to the first water circuit board 21 by the buckles 63, so as to realize the installation and fixation of the pure water tank adapter 6.

[0095] Both the first heating element 22 and the second heating element 23 can be structures of a water heating tank or a water heating vessel.

[0096] The power of the first heating element 22 is configured to be adjustable, so that pure water can be heated to different temperatures by adjusting the power of the first heating element 22. By adjusting the power of the first heating element 22, pure water can be heated to different temperatures, and heat exchange can be carried out between pure water at different temperatures and boiling water to achieve heat exchange of boiling water to different preset temperatures, thereby meeting the diverse drinking water needs of users.

[0097] It should be noted that the specific temperature of the pure water after being heated by the first heating element 22 needs to be confirmed based on the preset temperature after the boiling water undergoes heat exchange. For example, if the preset temperature after the boiling water undergoes heat exchange needs to reach 65℃, then the power of the first heating element 22 can be increased to make the temperature of the pure water heated by the first heating element 22 reach 50℃. By using the pure water at 50℃ to exchange heat with the boiling water, boiled water at 65℃ can be produced. Conversely, if the preset temperature after the boiling water undergoes heat exchange needs to reach 50℃, then the power of the first heating element 22 can be decreased to make the temperature of the pure water heated by the first heating element 22 reach 30℃. By using the pure water at 30℃ to exchange heat with the boiling water, boiled water at 50℃ can be produced.

[0098] Specifically, the water purifier also includes a control motherboard, which is installed in the motherboard mounting position 33 of the bracket 3. The control motherboard is electrically or communicatively connected to the first heating element 22, temperature sensor 215, flow meter 217 and shut-off valve. The control motherboard actively controls the opening and closing of the shut-off valve, thereby controlling the on / off of the first channel. The control motherboard can also collect the temperature and flow rate of the pure water in the first channel to better automatically adjust and control the power of the first heating element 22 to heat the pure water to the required temperature.

[0099] The heat exchange component 24 specifically includes an inner heat exchange tube 241 and an outer heat exchange tube 242. The outer heat exchange tube 242 is sleeved on the outer periphery of the inner heat exchange tube 241. One of the inner heat exchange tube 241 and the outer heat exchange tube 242 carries pure water, and the other carries boiling water, thereby realizing the flow and heat exchange of pure water and boiling water between the outer heat exchange tube 242 and the inner heat exchange tube 241.

[0100] In this embodiment, boiling water flows through the inner heat exchange tube 241, which has a heat exchange inlet 2411 and a heat exchange outlet 2412. Boiling water flows into the inner heat exchange tube 241 through the heat exchange inlet 2411 and flows out of the inner heat exchange tube 241 through the heat exchange outlet 2412 after heat exchange. Pure water flows through the outer heat exchange tube 242, which has a cooling water inlet 2421 and a cooling water outlet 2422. Pure water flows into the outer heat exchange tube 242 through the cooling water inlet 2421 and flows out of the outer heat exchange tube 242 through the cooling water outlet 2422 after heat exchange.

[0101] In this embodiment, the second water circuit board 25 also has a boiling water inlet 257 and a pipeline switching structure. The pipeline switching structure has a first state that connects the first heating element water outlet 251 and the cooling water inlet 252, and a second state that connects the first heating element water outlet 251 and the boiling water inlet 257. When the pipeline switching structure is in the first state, the water purifier is in the boiled water production mode. When the pipeline switching structure is in the second state, the water purifier is in the boiling water production mode. The above configuration allows the water purifier to enter the boiled water production mode to prepare boiled water. In this mode, the pipeline switching structure is in a first state where the first heating element outlet 251 and the cooling water inlet 252 are connected. The purified water heated by the first heating element 22 and the boiling water heated by the second heating element 23 both enter the heat exchange component 24 for heat exchange. The boiling water exchanges heat with the purified water through the heat exchange component 24 to a preset temperature and flows through the heat exchange water outlet 255 to the boiled water outlet 256 for immediate use by the user. When the water purifier needs to enter the boiling water production mode to prepare boiling water, the pipeline switching structure is in a second state where the first heating element outlet 251 and the boiling water outlet 257 are connected. The first heating element 22 heats the purified water to boiling. The boiling water flows through the first heating element outlet 222 and the first heating element outlet 251 to the boiling water outlet 257 for user use. By setting up a pipeline switching structure, the water purifier can switch between boiled water and cooked water modes to meet different drinking water needs of users.

[0102] The pipeline switching structure is a reversing valve 258. The valve inlet of the reversing valve 258 is connected to the water outlet 251 of the first heating element, the first valve outlet 2581 of the reversing valve 258 is connected to the cooling water inlet 252, and the second valve outlet 2582 of the reversing valve 258 is connected to the boiling water outlet 257. In the first state, the valve inlet and the first valve outlet 2581 are connected; in the second state, the valve inlet and the second valve outlet 2582 are connected. Specifically, the pipeline switching structure is set as a reversing valve 258, which changes the direction of water flow from the water outlet 251 of the first heating element according to the different water production modes of the water purifier, thereby achieving different water production needs.

[0103] For example, the reversing valve 258 can specifically be a solenoid valve with one inlet and two outlets.

[0104] Of course, in some embodiments, the pipeline switching structure can also be configured as a first pipeline valve in the water flow channel between the first heating element water outlet 251 and the cooling water inlet 252, and a second pipeline valve in the water flow channel between the first heating element water outlet 251 and the boiling water outlet 257. When the first pipeline valve is open, the pipeline switching structure is in the first state and the water purifier is in the boiled water production mode. When the second pipeline valve is open, the pipeline switching structure is in the second state and the water purifier is in the boiling water production mode.

[0105] In terms of specific arrangement, in this embodiment, the heat exchange component 24, the first heating element 22, and the second heating element 23 are arranged side by side in the middle of the bracket 3. The first water channel plate 21 is connected to the bottom of the bracket 3 and is located below the heat exchange component 24, the first heating element 22, and the second heating element 23. The second water channel plate 25 is connected to the top of the bracket 3 and is located above the heat exchange component 24, the first heating element 22, and the second heating element 23.

[0106] By setting the first water channel plate 21 and the second water channel plate 25 at the bottom and top of the bracket 3 respectively, and by arranging the heat exchange component 24, the first heating element 22 and the second heating element 23 side by side in the middle of the bracket 3 and between the first water channel plate 21 and the second water channel plate 25, the components in the heat exchange mechanism 2 are arranged reasonably on the bracket 3, the installation space is optimized and the arrangement of each structure is more compact.

[0107] Regarding the installation positioning between the base 1, the bracket 3, and the body 4, in this embodiment, a positioning structure can be set between any two of the base 1, the bracket 3, and the body 4 to position the installation between any two, thereby improving the accuracy of the installation position.

[0108] In this embodiment, a first positioning structure for positioning the bracket 3 and the base 1 is provided between them; a second positioning structure for positioning the bracket 3 and the body 4 is provided between them; and a third positioning structure for positioning the base 1 and the body 4 is provided between them. The first positioning structure positions the bracket 3 and the base 1, the second positioning structure positions the bracket 3 and the body 4, and the third positioning structure positions the base 1 and the body 4, thereby ensuring the accuracy of the installation positions of the bracket 3, the base 1, and the body 4.

[0109] Specifically, the first positioning structure includes a first positioning post 11 disposed on one of the bracket 3 and the base 1, and a base positioning groove 36 disposed on the other of the bracket 3 and the base 1. The first positioning post 11 is inserted into the base positioning groove 36 to achieve the installation positioning of the bracket 3 and the base 1.

[0110] In this embodiment, the first positioning post 11 is disposed on the base 1, and the base positioning groove 36 is disposed on the bracket 3. Of course, in other embodiments, the first positioning post 11 may also be disposed on the bracket 3, and the base positioning groove 36 may also be disposed on the base 1.

[0111] The second positioning structure includes a second positioning post 429 disposed on one of the bracket 3 and the body 4, and a body 4 positioning groove disposed on the other of the bracket 3 and the body 4. The second positioning post 429 is inserted into the body 4 positioning groove to achieve the installation and positioning of the bracket 3 and the body 4. In this embodiment, the second positioning post 429 is disposed on the body 4, and the body 4 positioning groove is disposed on the bracket 3. Of course, in other embodiments, the second positioning post 429 may also be disposed on the bracket 3, and the body 4 positioning groove may also be disposed on the body 4.

[0112] The third positioning structure includes a perimeter rib and a perimeter stop 427. One of the perimeter rib and the perimeter stop 427 is located on the periphery of the base 1, and the other is located on the bottom periphery of the body 4. The perimeter rib fits within the perimeter stop 427. Through the cooperation of the perimeter rib and the perimeter stop 427, a tight fit and connection can be achieved between the periphery of the base 1 and the bottom periphery of the body 4, ensuring the overall aesthetics of the body 4 and the base 1, and providing a certain degree of waterproof and dustproof performance, thus balancing aesthetics and functionality.

[0113] In this embodiment, the perimeter rib is provided around the perimeter of the base 1, and the perimeter stop 427 is provided around the bottom perimeter of the body 4. Of course, in other embodiments, the perimeter rib can also be provided around the bottom perimeter of the body 4, and the perimeter stop 427 can also be provided around the perimeter of the base 1.

[0114] Regarding the specific connection and fixation between the base 1, the bracket 3, and the body 4, the base 1 and the body 4 are fixed together by a first fixing structure, the base 1 and the bracket 3 are fixed together by a second fixing structure, and the base 1, body 4, and bracket 3 are fixed together by a third fixing structure. The first fixing structure secures the connection between the base 1 and the body 4, the second fixing structure secures the connection between the base 1 and the bracket 3, and the third fixing structure secures the connection between the base 1, body 4, and bracket 3. This ensures the connection strength and reliability of the three components, and guarantees the connection even if any fixing structure becomes loose.

[0115] The first fixing structure includes a first fixing hole in the base 1 and a fixing post 428 in the body 4. The fixing post 428 and the first fixing hole cooperate with each other and are connected to the fixing post 428 and the first fixing hole by fasteners such as screws or bolts, so as to fix the base 1 and the body 4.

[0116] The second fixing structure includes a second fixing hole 14 disposed on the base 1 and a base 1 fixing post 428 disposed on the bracket 3. The base 1 fixing post 428 and the second fixing hole 14 cooperate and are connected to the base 1 fixing post 428 and the second fixing hole 14 with fasteners such as screws or bolts, so as to fix the base 1 and the bracket 3.

[0117] Similarly, the third fixing structure can also be configured to include screws and fixing screw holes on the body 4, bracket 3, and base 1, and the base 1, the body 4, bracket 3, and base 1 can be fixed together by screws connected in the fixing screw holes.

[0118] In this embodiment, the base 1 is provided with an overflow hole 15, which is connected to the interior of the body 4. The overflow hole 15 is used to drain the water inside the water purifier in time when the whole machine leaks water, so as to prevent electrical accidents and improve the safety of use.

[0119] The water purifier also includes a raw water tank 7, which is connected to the main body 4 and passes through the main body 4 to communicate with the internal filter element. The raw water tank 7 is supported and fixed by the main body 4. The raw water tank 7 stores raw water (untreated water such as tap water). The raw water flows into the filter element to achieve filtration and purification to form pure water.

[0120] In terms of the specific connection method, one of the raw water tank 7 and the body 4 has a hook 426 and the other has a hook groove 71. The hook 426 is hooked into the hook groove 71. The raw water tank 7 and the body 4 are connected by the cooperation of the hook 426 and the hook groove 71, which facilitates the disassembly and fixing of the raw water tank 7 and makes assembly convenient.

[0121] The raw water tank 7 has inlet and outlet ports. The raw water tank 7 is inserted from top to bottom into the corresponding inlet and outlet ports on the body 4 and bracket 3. The outlet port on the bracket 3 is connected to the inlet port of the filter element.

[0122] In this embodiment, the body 4 includes a top cover 41, a body 42, and a side plate 43. The body 42 has an internal cavity for mounting the bracket 3. The top cover 41 is connected to the body 42 and covers the top opening of the internal cavity. The body 42 has a water intake hole 421 communicating with the internal cavity. The side plate 43 is connected to the side of the body 42 and has a water outlet clearance hole 431 corresponding to and communicating with the water intake hole 421. The bracket 3 is installed in the internal cavity of the body 42. The top cover 41 seals the top opening of the internal cavity, and the base 1 seals the bottom opening of the internal cavity, thereby fixing the bracket 3 in the internal cavity. The side plate 43 reinforces and decorates the side of the body 42.

[0123] In this embodiment, the hook 426 is provided on the body 42, the original water tank 7 is hooked and fixed to the body 42, the peripheral stop 427 is provided on the bottom periphery of the body 42, the bottom periphery of the body 42 and the periphery of the base 1 are assembled and fixed by the peripheral stop 427 and the peripheral rib, and the fixing post 428 and the second positioning post 429 are distributed at intervals on the bottom of the body 42.

[0124] One of the top cover 41 and the main body 42 is provided with a push-stop rib 411 and the other is provided with a push-stop position 422. The top cover 41 and the main body 42 can move relative to each other to allow the push-stop rib 411 to be inserted into or separated from the push-stop position 422. By providing a push-stop rib 411 and a push-stop position 422 in one of the top cover 41 and the main body 42, during installation, the push-stop rib 411 can be inserted into the push-stop position 422 by moving the top cover 41 and the main body 42 closer together, and the push-stop rib 411 can be separated from the push-stop position 422 by moving the top cover 41 and the main body 42 further apart. This facilitates easy assembly and disassembly and allows for quick replacement of the internal structure of the water purifier.

[0125] Furthermore, one of the side panel 43 and the fuselage body 42 is provided with a connecting rib 432, and the other is provided with a connecting stop 423. The connecting rib 432 is inserted and fixed to the connecting stop 423. Through the insertion and engagement of the connecting rib 432 and the connecting stop 423, the connecting and positioning of the side panel 43 and the fuselage body 42 are achieved, ensuring the installation and fixation between the side panel 43 and the fuselage body 42.

[0126] In this embodiment, multiple insertion ribs 432 are provided and spaced apart on the side plate 43, and multiple insertion stop positions 423 are provided and spaced apart on the body 42. The multiple insertion ribs 432 are inserted and fitted into the insertion stop positions 423 one by one. Of course, in other embodiments, the insertion ribs 432 can also be provided on the body 42 and the insertion stop positions 423 can be provided on the side plate 43.

[0127] To further improve the connection reliability between the side plate 43 and the fuselage 4, a fixed connection structure is also provided between the side plate 43 and the fuselage body 42. The fixed connection structure is connected to both the side plate 43 and the fuselage body 42 to further connect the side plate 43 and the fuselage body 42.

[0128] The fixed connection structure can be in the form of threaded connection or snap-fit ​​connection, etc., which will not be described in detail in this embodiment.

[0129] The main body 42 also has an assembly cavity 424 and a display mounting position 425. The assembly cavity 424 is located below the display mounting position 425 and is separated from the internal cavity. The assembly cavity 424 facilitates the installation of the pure water tank 5, and the display mounting position 425 facilitates the installation of the display component 8. Thus, through the reasonable arrangement of the main body 4, the bracket 3, the pure water tank 5, the display component 8, and the raw water tank 7 are integrated and connected on the main body 4, resulting in a more compact overall structure and smaller size.

[0130] Specifically, a fourth positioning structure is provided between the display component 8 and the main body 42. This fourth positioning structure is used for the assembly positioning of the display component 8 and the main body 42. By providing the fourth positioning structure between the display component 8 and the main body 42, the assembly between the display component 8 and the main body 42 is positioned, ensuring the assembly accuracy between the two.

[0131] Specifically, the fourth positioning structure includes a pre-positioning post 4252 disposed in the display mounting position 425 and a pre-positioning hole 82 disposed in the display component 8. The pre-positioning post 4252 is inserted into the pre-positioning hole 82, thereby realizing the installation positioning between the display component 8 and the main body 42. Of course, in other embodiments, the pre-positioning post 4252 can also be disposed in the display component 8 and the pre-positioning hole 82 can be disposed in the display mounting position 425.

[0132] Furthermore, a snap-fit ​​structure is provided between the display component 8 and the main body 42, which is used to snap and fix the display component 8 and the main body 42 together. The snap-fit ​​structure between the display component 8 and the main body 42 can snap and fix the display component 8 and the main body 42 together, thereby enhancing the connection stability between the display component 8 and the main body 42.

[0133] Specifically, the snap-fit ​​structure includes a pre-fixing buckle 81 disposed on the display component 8 and a pre-fixing buckle position 4251 disposed on the display mounting position 425. The pre-fixing buckle 81 is snapped into the pre-fixing buckle position 4251, thereby realizing the snap-fit ​​fixation between the display component 8 and the main body 42. Of course, in other embodiments, a pre-positioning post 4252 may be disposed on the display component 8, and a pre-positioning hole 82 may be disposed on the display mounting position 425.

[0134] Display component 8 is specifically connected to the control motherboard and is used to display the usage status of the water purifier, such as the current water purification mode and water temperature.

[0135] Furthermore, the pure water tank 5 in this embodiment includes a pure water tank body 51, a pure water tank outer shell 52, and a handle 53. The pure water tank body 51 is disposed inside the pure water tank outer shell 52, which is assembled in the assembly cavity 424. The handle 53 is connected to the pure water tank outer shell 52 and located outside the assembly cavity 424. The pure water tank body 51 is used to hold pure water filtered by the filter cartridge. The pure water tank outer shell 52 protects the pure water tank body 51, and the handle 53 located outside the assembly cavity 424 facilitates the user's movement and handling of the pure water tank 5.

[0136] Preferably, after installation, the surface of the pure water tank housing 52 facing the outside of the assembly cavity 424 is flush with the surface of the display component 8 to ensure overall aesthetics.

[0137] The water purifier also includes a water outlet structure 9, which is connected to the water outlet clearance hole 431, the water intake hole 421, and the boiled water inlet 256 and boiling water inlet 257 on the second water circuit plate 25. The heated boiled water flowing out of the boiled water inlet 256 and the boiling water flowing out of the boiling water inlet 257 can both be led out through the water outlet structure 9 to the outside of the water purifier for the user to drink.

[0138] Specifically, the spout structure 9 includes a spout body 91 and a spout decorative component 92. The spout body 91 is sealed to the boiled water inlet 256 and the boiling water inlet 257. The spout decorative component 92 is connected to the side plate 43 and covers the spout body 91. The boiled water after heat exchange flowing from the boiled water inlet 256 and the boiling water flowing from the boiling water inlet 257 both flow out through the spout body 91 for the user to drink. The spout decorative component 92 serves a protective and decorative function for the spout body 91, enhancing its external aesthetics.

[0139] In summary, the water purifier of this application uses mechanical structural cooperation forms such as snap-fit, plug-in, and hook connection for installation and fixation between the body 4 and the bracket 3, between the body 4 and the base 1, between the base 1 and the bracket 3, between the body 42 and the top cover 41, between the body 42 and the side panel 43, and between the raw water tank 7 and the body 4. This saves a lot of assembly screw parts, improves assembly efficiency, facilitates disassembly, and saves costs.

[0140] To facilitate understanding of the water purifier in this embodiment, please refer to the accompanying manual. Figure 1 To be continued Figure 25 The assembly and operating principle of this water purifier are described below:

[0141] Assembly of the water purifier: Pre-install the filter element, pressure stabilizing pump, control main board, power adapter and heat exchange mechanism 2 to the filter element mounting position 31, pressure stabilizing pump mounting position 32, main board mounting position 33, adapter mounting position 34 and heat exchange mounting position 35 of the bracket 3 respectively. Then, insert the body 4 into the bracket 3 from top to bottom, install the water outlet body 91 onto the bracket 3 through the body 4, cover the water outlet body 91 with the water outlet decorative part 92, and then insert the side plate 43 into the body 4 as a whole and push it into place from bottom to top. Next, install the display component 8 and pure water tank 5 into the display mounting position 425 and the assembly cavity 424 respectively. Push the top cover 41 into the body 42 from the top of the body 42 so that the push stop rib 411 is inserted into the push stop position 422. Finally, install the raw water tank 7 into the body 4 from top to bottom, and achieve hook and fixation through the cooperation of hook 426 and hook groove 71 to complete the assembly of the whole machine.

[0142] When the water purifier enters the boiled water production mode, the pipeline switching structure is in the first state where the outlet port 251 of the first heating element and the inlet port 252 of the cooling water are connected. The raw water in the raw water tank 7 enters the filter element for filtration, and the filtered pure water enters the pure water tank 5. The pure water in the pure water tank 5 flows through the pure water tank adapter 6 from the pure water inlet 211 into the first water circuit board 21, and then flows through the pure water outlet 212 and the first heating inlet 221 into the first heating element 22 for heating. The heated pure water then flows through the first heating outlet 222 and the outlet port 251 of the first heating element into the second water circuit board 25, and then through the cooling water inlet port 252 and the cooling water inlet 2421 into the heat exchange component 24. Finally, it flows through the cooling water outlet 2422 and the cooling water outlet 2422 into the heat exchange component 24. Water flows back to the first water circuit board 21 through the water return inlet 213, and then into the second heating element 23 through the cooling water return outlet 214 and the second heating inlet 231 for heating and boiling. The heated boiling water flows to the second water circuit board 25 through the second heating outlet 232 and the second heating element outlet 253, and then into the heat exchange component 24 through the heat exchange water inlet 254 and the heat exchange inlet 2411. The heated pure water flowing out of the first heating element 22 and the heated boiling water flowing out of the second heating element 23 undergo heat exchange in the heat exchange component 24, thereby heating the boiling water to the preset temperature and flowing to the boiled water outlet 256 through the heat exchange water outlet 255. Finally, it flows out through the water outlet structure 9 for users to drink.

[0143] When the water purifier enters the boiling water production mode, the pipeline switching structure is in the second state where the first heating element outlet 251 and the boiling water inlet 257 are connected. The raw water in the raw water tank 7 enters the filter element for filtration, and the filtered pure water enters the pure water tank 5. The pure water in the pure water tank 5 flows through the pure water tank adapter 6 from the pure water inlet 211 into the first water circuit board 21, and then flows through the pure water outlet 212 and the first heating inlet 221 into the first heating element 22 to be heated and boiled into boiling water. The boiling water flows through the first heating outlet 222 and the first heating element outlet 251 to the boiling water inlet 257, and finally flows out through the spout structure 9 for the user to drink.

[0144] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A net drinker, characterized in that, include: Base (1); The bracket (3) is connected to the base (1). The top of the bracket (3) has a filter element mounting position (31), the bottom of the bracket (3) has a pressure stabilizing pump mounting position (32), and the circumferential direction of the bracket (3) has a motherboard mounting position (33), an adapter mounting position (34) and a heat exchange mounting position (35). The body (4) is covered on the outer periphery of the bracket (3) and connected to the base (1), and also includes a heat exchange mechanism (2) installed at the heat exchange mounting position (35) for heating the filtered pure water to boiling and exchanging heat to a preset temperature. The heat exchange mechanism (2) includes: The first water channel plate (21) has a pure water inlet (211), a pure water outlet (212), a cooling water return inlet (213), and a cooling water return outlet (214) formed thereon. The pure water inlet (211) and the pure water outlet (212) are connected, and the cooling water return inlet (213) and the cooling water return outlet (214) are connected. The first heating element (22) has a first heating water inlet (221) and a first heating water outlet (222), and the first heating water inlet (221) and the pure water outlet (212) are connected. The second heating element (23) has a second heating inlet (231) and a second heating outlet (232). The second heating inlet (231) is connected to the cooling water return outlet (214) and is used to heat the cooling water return to boiling. The heat exchange component (24) has a heat exchange inlet (2411), a heat exchange outlet (2412), a cooling water inlet (2421), and a cooling water outlet (2422), wherein the cooling water outlet (2422) is connected to the cooling water return inlet (213); The second water circuit board (25) has a first heating element outlet (251) and a cooling water inlet (252) connected together, a second heating element outlet (253) and a heat exchange water inlet (254) connected together, a heat exchange water outlet (255) and a boiled water inlet (256) connected together. The first heating element outlet (251) and the first heating water outlet (222) are connected together. The cooling water inlet (252) and the cooling water inlet (2421) are connected together. The second heating element outlet (253) and the second heating water outlet (232) are connected together. The heat exchange water inlet (254) and the heat exchange water inlet (2411) are connected together. The heat exchange water outlet (255) and the heat exchange water outlet (2412) are connected together. Heated pure water flowing out from the first heating element (22) and boiling water flowing out from the second heating element (23) enter the heat exchange component (24) for heat exchange. The boiling water is heated to the preset temperature through the heat exchange component (24) and flows to the boiled water outlet (256) through the heat exchange water outlet (255).

2. The purified water machine according to claim 1, characterized in that The power of the first heating element (22) is configured to be adjustable so that the pure water can be heated to different temperatures by adjusting the power of the first heating element (22).

3. The purified water machine according to claim 2, wherein The second water circuit board (25) also has a boiling water inlet (257) and a pipeline switching structure. The pipeline switching structure has a first state that connects the first heating element water outlet (251) and the cooling water inlet (252) and a second state that connects the first heating element water outlet (251) and the boiling water inlet (257). When the pipeline switching structure is in the first state, the water purifier is in the boiled water production mode. When the pipeline switching structure is in the second state, the water purifier is in the boiling water production mode.

4. The water purifier according to claim 3, characterized in that, The pipeline switching structure is a reversing valve (258). The valve inlet of the reversing valve (258) is connected to the water outlet (251) of the first heating element. The first valve outlet (2581) of the reversing valve (258) is connected to the cooling water inlet (252). The second valve outlet (2582) of the reversing valve (258) is connected to the boiling water intake (257). In the first state, the valve inlet and the first valve outlet (2581) are connected. In the second state, the valve inlet and the second valve outlet (2582) are connected.

5. The water purifier according to any one of claims 1 to 4, characterized in that, The heat exchange component (24), the first heating element (22) and the second heating element (23) are arranged side by side in the middle of the bracket (3). The first water channel plate (21) is connected to the bottom of the bracket (3) and is located below the heat exchange component (24), the first heating element (22) and the second heating element (23). The second water channel plate (25) is connected to the top of the bracket (3) and is located above the heat exchange component (24), the first heating element (22) and the second heating element (23).

6. The purified drinking machine according to any one of claims 1 to 4, characterized in that A first positioning structure for installation and positioning of the bracket (3) and the base (1) is provided between them, and / or a second positioning structure for installation and positioning of the bracket (3) and the body (4) is provided between them, and / or a third positioning structure for installation and positioning of the base (1) and the body (4) is provided between them.

7. The purified drinking machine according to any one of claims 1 to 4, characterized in that The base (1) and the body (4) are fixed together by a first fixing structure, the base (1) and the bracket (3) are fixed together by a second fixing structure, and the base (1), the body (4) and the bracket (3) are fixed together by a third fixing structure.

8. The purified drinking machine according to any one of claims 1 to 4, characterized in that The base (1) is provided with an overflow hole (15).

9. The purified drinking machine according to any one of claims 1 to 4, characterized in that It also includes a raw water tank (7) and a filter element, the filter element being disposed at the filter element mounting position (31), the raw water tank (7) being connected to the body and communicating with the filter element inside the body (4).

10. The POU water purifier according to claim 9, wherein, One of the raw water tank (7) and the body (4) has a hook (426) and the other has a hook groove (71), with the hook (426) hooked into the hook groove (71).

11. The purified drinking machine according to any one of claims 1 to 4, characterized in that The fuselage (4) includes: Top cover (41); The main body (42) has an internal cavity for mounting the bracket (3), the top cover (41) is connected to the main body (42) and covers the top opening of the internal cavity, and the main body (42) has a water intake hole (421) communicating with the internal cavity. The side plate (43) is connected to the side of the main body (42), and the side plate (43) is provided with a water outlet clearance hole (431) that corresponds to and communicates with the water intake hole (421).

12. The POU water purifier according to claim 11, wherein, One of the top cover (41) and the body (42) is provided with a push stop rib (411) and the other is provided with a push stop position (422). The top cover (41) and the body (42) can move relative to each other so that the push stop rib (411) and the push stop position (422) can be inserted into or separated.

13. The water purifier according to claim 11, characterized in that, One of the side plate (43) and the fuselage body (42) is provided with a connecting rib (432), and the other is provided with a connecting stop (423). The connecting rib (432) is inserted and fixed to the connecting stop (423). And / or, a fixed connection structure is provided between the side plate (43) and the fuselage body (42), and the fixed connection structure is connected to both the side plate (43) and the fuselage body (42).

14. The POU water purifier according to claim 11, wherein, The main body (42) is also provided with an assembly cavity (424) and a display mounting position (425). The assembly cavity (424) is located below the display mounting position (425) and is separated from the built-in cavity.

15. The POU water purifier according to claim 14, wherein, It also includes a display component (8) disposed in the display mounting position (425), and a fourth positioning structure is provided between the display component (8) and the body body (42), the fourth positioning structure being used for assembly positioning between the display component (8) and the body body (42); And / or, a snap-fit ​​structure is provided between the display component (8) and the body (42), the snap-fit ​​structure being used for snap-fit ​​fixing between the display component (8) and the body (42).

16. The POU water purifier according to claim 14, wherein: It also includes a pure water tank (5) disposed in the assembly cavity (424). The pure water tank (5) includes a pure water tank body (51), a pure water tank shell (52) and a handle (53). The pure water tank body (51) is disposed inside the pure water tank shell (52). The pure water tank shell (52) is assembled in the assembly cavity (424). The handle (53) is connected to the pure water tank shell (52) and is located outside the assembly cavity (424).

17. The POU water purifier according to claim 11, wherein, It also includes a water outlet structure (9), which is connected to the water outlet clearance hole (431), the water intake hole (421), and the boiled water intake port (256) and boiling water intake port (257) on the second water circuit plate (25).

18. The water purifier according to claim 17, characterized in that, The water outlet structure (9) includes a water outlet body (91) and a water outlet decorative piece (92). The water outlet body (91) is sealed to the boiled water inlet (256) and the boiling water inlet (257). The water outlet decorative piece (92) is connected to the side plate (43) and covers the water outlet body (91).

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