Waste heat utilization device for electric kettle

Abstract

The utility model relates to the technical field of electric kettles, and discloses an electric kettle waste heat utilization device which comprises an outer side box body, a water receiving assembly is installed on the outer side box body, and a heating water tank is installed in the outer side box body. A heating seat sleeves the bottom of the heating water tank and is fixedly mounted at the bottom of the outer box body, and a heat exchange water tank sleeves the outer side of the heating water tank; multiple sets of heat exchange fins are installed on the side, away from the heating water tank, of the inner wall of the heat exchange water tank, a drainage pipe penetrates through the lower portion of one side wall of the heat exchange water tank, and the other end of the drainage pipe penetrates out of the outer box and is provided with a water temperature adjusting assembly to control the drainage temperature. Compared with the prior art, the electric kettle has the advantages that the outer side of the heating water tank is sleeved with the heat exchange water tank, heat exchange is carried out through the heat conduction side wall and the heat exchange fins, heat exchange is carried out on water on the inner side of the heat exchange water tank, when the heating base works for a long time, waste heat generated when the electric kettle boils water is utilized through the heat exchange water tank, and waste of electric power is reduced.

Description

Technical Field

[0001] This utility model relates to the field of electric kettle technology, specifically to a device for utilizing waste heat from an electric kettle. Background Technology

[0002] Large electric kettles have the functions of boiling and storing water and are mainly used in stations, schools or shopping malls. They usually have a large capacity to meet the needs of large amounts of water. They use efficient heating elements to boil water. Existing large electric kettles usually work continuously, and the waste heat generated by the kettle when boiling water cannot be effectively utilized, resulting in a waste of electricity.

[0003] To address the aforementioned technical problems, this application proposes a device for utilizing waste heat from an electric kettle. Utility Model Content

[0004] I. Technical problems to be solved

[0005] The technical problem this invention aims to solve is that existing large electric kettles typically operate continuously, and the waste heat generated during boiling water cannot be effectively utilized, resulting in a waste of electricity.

[0006] II. Technical Solution

[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: an electric kettle waste heat utilization device, including an outer box, a water-proof support plate installed at the bottom of the outer box and a cover plate installed at the top, a water receiving component installed on the outer box, and a heating water tank installed inside the outer box.

[0008] A heating base is fitted onto the bottom of the heating water tank, and the heating base is fixedly installed on the bottom of the outer tank body. A hot water exchange tank is fitted onto the outer side of the heating water tank.

[0009] The inner wall of the hot water exchange tank has an outer cylindrical structure and is in contact with the outer wall of the heating water tank. Multiple sets of heat exchange fins are installed on the side of the inner wall of the hot water exchange tank away from the heating water tank. A water inlet pipe passes through the upper part of one side wall of the hot water exchange tank, and a drain pipe passes through the lower part of one side wall of the hot water exchange tank. The other end of the drain pipe passes out of the outer tank and is equipped with a water temperature regulating component to control the drain temperature.

[0010] As an improvement, the water temperature regulating component includes a temperature sensor and an automatic mixing valve. The temperature sensor passes through and is installed on the side wall of the drain pipe to detect the water temperature inside the drain pipe. The automatic mixing valve is installed at the drain end of the drain pipe and connected to the cold water pipe. The temperature sensor is electrically connected to the automatic mixing valve.

[0011] As an improvement, a support platform is fixedly installed on the outer wall of the heating water tank and on the upper side of the heating base. A limiting strip for limiting the hot water tank is installed at the upper edge of the support platform. Multiple sets of positioning rods are installed at the bottom of the hot water tank, and multiple sets of positioning through holes for the positioning rods to pass through are provided at the bottom of the support platform.

[0012] As an improvement, the side wall of the heating water tank and the inner wall of the hot water exchange tank are both made of thermally conductive metal, and the outer wall of the hot water exchange tank is made of heat-insulating material.

[0013] As an improvement, multiple sets of water guide holes are provided on the heat exchange fins.

[0014] As an improvement, the water receiving assembly includes an electrically controlled drain outlet and a water collection tray. The electrically controlled drain outlet and the water collection tray are respectively installed on the same outer wall of the outer casing. The electrically controlled drain outlet is located above the water collection tray. A pump body and a water inlet pipe are installed through the top of the heating water tank. The water inlet end of the pump body extends to the bottom of the heating water tank. The water outlet end of the pump body is connected to the electrically controlled drain outlet through a connecting pipe.

[0015] III. Beneficial Effects

[0016] The advantages of this utility model compared with the prior art are as follows: the heating water tank is connected to drinking water, the hot water exchange tank is connected to cleaning water, and the hot water exchange tank is sleeved on the outside of the heating water tank. Heat is exchanged between the heat-conducting side wall and the heat exchange fins to exchange heat with the water inside the hot water exchange tank. When the heating base works for a long time, the waste heat generated by the electric kettle when boiling water is utilized through the hot water exchange tank to heat the cleaning water, thereby reducing the waste of electricity. Attached Figure Description

[0017] Figure 1 This is an exploded view of a waste heat utilization device for an electric kettle according to this utility model.

[0018] Figure 2 This is a schematic diagram of the overall structure of a waste heat utilization device for an electric kettle according to this utility model.

[0019] Figure 3 This is a schematic diagram of the heating water tank connection structure of a waste heat utilization device for an electric kettle according to this utility model.

[0020] Figure 4 This is a schematic diagram of the hot water exchange tank structure of an electric kettle waste heat utilization device according to this utility model.

[0021] As shown in the figure: 1. Outer casing; 2. Waterproof support plate; 3. Cover plate; 4. Electrically controlled drain outlet; 5. Water collection tray; 6. Heating water tank; 7. Heating base; 8. Water inlet pipe one; 9. Pump body; 10. Connecting pipe; 11. Support platform; 12. Hot water exchange tank; 13. Heat exchange fins; 14. Water guide hole; 15. Water inlet pipe two; 16. Drain pipe; 17. Temperature sensor; 18. Automatic mixing valve; 19. Positioning rod; 20. Positioning through hole. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] As attached Figure 1 Appendix Figure 2 and attached Figure 3 As shown, an electric kettle waste heat utilization device includes an outer casing 1, on which a water receiving assembly is installed. A water-resistant support plate 2 is installed at the bottom of the outer casing 1, and a cover plate 3 is installed at the top. A heating water tank 6 is installed inside the outer casing 1. The water receiving assembly includes an electrically controlled drain outlet 4 and a water collection tray 5. The electrically controlled drain outlet 4 and the water collection tray 5 are respectively installed on the same outer wall of the outer casing 1, with the electrically controlled drain outlet 4 located above the water collection tray 5. A water cup is placed on the water collection tray. The upper side of the plate 5 and the lower side of the electrically controlled drain 4 are convenient for water collection and prevent scalding. The top of the heating water tank 6 is equipped with a pump body 9 and a water inlet pipe 8. Drinking water is delivered to the heating water tank 6 through the water inlet pipe 8. The water inlet end of the pump body 9 extends to the bottom of the heating water tank 6, and the water outlet end of the pump body 9 is connected to the electrically controlled drain 4 through a connecting pipe 10. The pump body 9 is controlled by the switch button on the electrically controlled drain 4, and the pump body 9 draws water from the heating water tank 6 and sends it to the electrically controlled drain 4 for discharge.

[0024] As attached Figure 1 Appendix Figure 3 and attached Figure 4As shown, a heating base 7 is fitted onto the bottom of the heating water tank 6. The heating base 7 is fixedly installed at the bottom of the outer casing 1. The heating base 7 heats the drinking water inside the heating water tank 6. A hot water exchange tank 12 is fitted onto the outer side of the heating water tank 6. A support platform 11 is fixedly installed on the outer wall of the heating water tank 6 and above the heating base 7. A limiting strip is installed on the upper edge of the support platform 11 to limit the movement of the hot water exchange tank 12. Multiple sets of positioning rods 19 are installed at the bottom of the hot water exchange tank 12. Multiple sets of positioning through holes 20 are provided at the bottom of the support platform 11 to cooperate with the positioning rods 19. The hot water exchange tank 12 is limited and supported on the inner side of the support platform 11 to position the hot water exchange tank 12.

[0025] As attached Figure 3 and attached Figure 4 As shown, the inner wall of the hot water exchange tank 12 has an outer cylindrical structure and is in contact with the outer wall of the heating water tank 6. Both the side wall of the heating water tank 6 and the inner wall of the hot water exchange tank 12 are made of thermally conductive metal. After the drinking water inside the heating water tank 6 is heated, the heat is transferred to the side wall of the heating water tank 6. The cleaning water inside the hot water exchange tank 12 is heated through the side wall of the heating water tank 6 and the inner wall of the hot water exchange tank 12. The outer wall of the hot water exchange tank 12 is made of insulating material to reduce heat loss of the cleaning water inside the hot water exchange tank 12. The inner wall of the hot water exchange tank 12 is located away from the heating water tank 6. Multiple sets of heat exchange fins 13 are installed on the side to improve the heat exchange efficiency with the cleaning water. Multiple sets of water guide holes 14 are opened on the heat exchange fins 13 to allow the cleaning water to flow freely inside the hot water tank 12. While improving the heat exchange efficiency, it will not affect the discharge of the cleaning water. A water inlet pipe 15 passes through the upper part of one side wall of the hot water tank 12, and a drain pipe 16 passes through the lower part of one side wall of the hot water tank 12. The other end of the drain pipe 16 passes through the outer casing 1, and the cleaning water is discharged through the drain pipe 16 for use in the handwashing basin.

[0026] To control the drainage temperature, see attached Figure 4 As shown, a water temperature regulating component is installed at the other end of the drain pipe 16. The water temperature regulating component includes a temperature sensor 17 and an automatic mixing valve 18. The temperature sensor 17 passes through and is installed on the side wall of the drain pipe 16 to detect the water temperature inside the drain pipe 16. The automatic mixing valve 18 is installed at the drain end of the drain pipe 16 and connected to the cold water pipe. The temperature sensor 17 is electrically connected to the automatic mixing valve 18. According to the temperature detected by the temperature sensor 17, the data is sent to the control chip inside the automatic mixing valve 18. The control chip adjusts the valve flow at the cold water pipe interface according to the water temperature data, thereby balancing the discharge temperature of the cleaning water for easy use.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0029] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A waste heat utilization device for an electric kettle, comprising an outer casing (1), wherein a water-resistant support plate (2) is installed at the bottom of the outer casing (1) and a cover plate (3) is installed at the top, a water receiving assembly is installed on the outer casing (1), and a heating water tank (6) is installed inside the outer casing (1), characterized in that: The bottom of the heating water tank (6) is fitted with a heating base (7), the heating base (7) is fixedly installed at the bottom of the outer box (1), and the outer side of the heating water tank (6) is fitted with a hot water exchange tank (12); The inner wall of the hot water exchange tank (12) has an outer cylindrical structure and is in contact with the outer wall of the heating water tank (6). Multiple heat exchange fins (13) are installed on the side of the inner wall of the hot water exchange tank (12) away from the heating water tank (6). A water inlet pipe (15) passes through the upper part of one side wall of the hot water exchange tank (12), and a drain pipe (16) passes through the lower part of one side wall of the hot water exchange tank (12). The other end of the drain pipe (16) passes through the outer box (1) and is equipped with a water temperature regulating component to control the drainage temperature.

2. The device for utilizing waste heat from an electric kettle according to claim 1, characterized in that: The water temperature regulating component includes a temperature sensor (17) and an automatic mixing valve (18). The temperature sensor (17) is installed through the side wall of the drain pipe (16) to detect the water temperature inside the drain pipe (16). The automatic mixing valve (18) is installed at the drain end of the drain pipe (16) and connected to the cold water pipe. The temperature sensor (17) and the automatic mixing valve (18) are electrically connected.

3. The device for utilizing waste heat from an electric kettle according to claim 1, characterized in that: A support platform (11) is fixedly installed on the outer wall of the heating water tank (6) and on the upper side of the heating base (7). A limiting strip for limiting the hot water exchange tank (12) is installed on the upper edge of the support platform (11). Multiple sets of positioning rods (19) are installed at the bottom of the hot water exchange tank (12). Multiple sets of positioning through holes (20) for the positioning rods (19) to pass through are provided at the bottom of the support platform (11).

4. The waste heat utilization device for an electric kettle according to claim 3, characterized in that: The side wall of the heating water tank (6) and the inner wall of the hot water exchange tank (12) are both made of thermally conductive metal, and the outer wall of the hot water exchange tank (12) is made of heat-insulating material.

5. The waste heat utilization device for an electric kettle according to claim 4, characterized in that: Multiple sets of water guide holes (14) are provided on the heat exchange fin (13).

6. The waste heat utilization device for an electric kettle according to claim 1, characterized in that: The water receiving assembly includes an electrically controlled drain outlet (4) and a water collection tray (5). The electrically controlled drain outlet (4) and the water collection tray (5) are respectively installed on the same side of the outer wall of the outer casing (1). The electrically controlled drain outlet (4) is located above the water collection tray (5). A pump body (9) and a water inlet pipe (8) are installed through the top of the heating water tank (6). The water inlet end of the pump body (9) extends to the bottom of the heating water tank (6). The water outlet end of the pump body (9) is connected to the electrically controlled drain outlet (4) through a connecting pipe (10).

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