Adjustable heat preservation electric kettle and control method
By designing slidable heat sinks and semiconductor refrigeration sheets in the electric kettle, and combining motors and fans, rapid cooling of water is achieved, solving the problem of long cooling time of existing electric kettles and improving the convenience of use.
Patent Information
- Application Number
- CN202411915636.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-03-14
AI Technical Summary
In different usage scenarios, existing electric kettles have different needs for water temperature, but they need to wait for the water to heat until it boils and cool naturally, resulting in long wait times for users to be poor in use.
An adjustable thermal insulation electric kettle is designed. By installing an electric heating wire and a temperature sensor on the bottom of the kettle body, and installing a slidable heat sink and semiconductor refrigeration plate on the base, combining a motor, gear and fan to achieve rapid cooling of water.
Through this design, users can quickly or slowly cool water according to their needs, significantly shortening the cooling time and improving the convenience of use.
Smart Images
Figure CN119606183A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of electric kettles, and in particular relates to an adjustable heat-insulating electric kettle and a control method thereof. Background Art
[0002] With the improvement of people's living standards and the pursuit of a healthy lifestyle, household appliances are increasingly used in daily life. Especially in the field of drinking water heating, electric kettles, as a convenient and fast heating device, have become one of the common household appliances in homes, offices and public places. The working principle of electric kettles is usually to convert electrical energy into thermal energy through a resistance heating element, thereby heating water to boiling.
[0003] In different usage scenarios, users often have different requirements for water temperature, so they need to wait for the water to be heated to a boiling state and then naturally cool to the required temperature. This often causes users to wait for a while before using it, making it less convenient to use. Summary of the invention
[0004] The purpose of the present invention is to provide an adjustable heat-insulating electric kettle with simple structure and reasonable design in order to solve the above problems.
[0005] The present invention achieves the above-mentioned purpose through the following technical solutions: An adjustable heat preservation electric kettle comprises a base and a kettle body, wherein the bottom of the kettle body is provided with a heating wire and a temperature sensor, the base comprises a bottom plate and a mounting sleeve mounted on the top surface of the bottom plate, an annular cavity is arranged in the mounting sleeve, a mounting plate is fixed to the inner circumference of the mounting sleeve, a power connection block 1 is arranged on the top surface of the mounting plate, a power connection block 2 for being electrically connected to the power connection block 1 is arranged on the bottom surface of the kettle body, a plurality of first sliding grooves communicating with the annular cavity are provided on the inner circumference of the mounting sleeve, and the mounting sleeve is moved along the inner circumference of the mounting sleeve through the first sliding grooves. A heat sink is radially slidably installed on the kettle body, the inner arc surface of the heat sink can fit with the outer circumferential surface of the kettle body, and a pushing component for pushing the heat sink to move radially along the mounting sleeve is arranged in the annular cavity; an exhaust cavity connected with the annular cavity is opened on the top surface of the bottom plate, a fan is installed on the inner bottom surface of the exhaust cavity, a plurality of exhaust holes are opened on the top surface of the mounting sleeve, a sealing ring for sealing the exhaust holes is arranged on the top of the mounting sleeve, and a moving component for pushing the sealing ring to move upward is arranged on the mounting sleeve.
[0006] As a further optimization scheme of the present invention, the pushing assembly includes a pushing rod fixed to the bottom of the heat sink, a rotating ring is rotatably installed in the annular cavity, and a plurality of pushing grooves are opened on the top surface of the rotating ring. The pushing rod slidably cooperates with the rotating ring through the pushing grooves, and the pushing grooves include a connected arc groove and an oblique groove, the arc groove is arranged along the circumference of the rotating ring, and the oblique groove is inclined toward the side away from the mounting plate at one end away from the arc groove.
[0007] As a further optimization scheme of the present invention, a plurality of second sliding grooves are provided on the inner circumferential surface of the mounting sleeve, and a semiconductor refrigeration plate is installed on the mounting sleeve by sliding along its own radial direction through the second sliding grooves. The semiconductor refrigeration plate and the heat sink are arranged at intervals along the circumference of the mounting sleeve, and the cold end of the semiconductor refrigeration plate can be fitted with the outer circumferential surface of the kettle body. An oblique groove II is provided on the top surface of the rotating ring, and a push rod II passing through the oblique groove II is fixed to the bottom end of the semiconductor refrigeration plate, and the push rod II slides with the rotating ring through the oblique groove II.
[0008] As a further optimization solution of the present invention, a motor is fixed to the bottom surface of the mounting plate, a gear is fixed to the output end of the motor, a gear ring is fixed to the bottom surface of the rotating ring, and the gear ring and the gear are meshed with each other.
[0009] As a further optimization scheme of the present invention, reset blocks are fixed on both sides of the heat sink and both sides of the semiconductor refrigeration plate, and a guide rod is passed through the side of the reset block. The guide rod is arranged along the radial direction of the mounting sleeve, and the end of the guide rod is fixedly connected to the inner wall of the annular cavity. A reset spring is sleeved on the outer periphery of the guide rod, one end of the reset spring is fixedly connected to the reset block, and the end of the reset spring away from the reset block is fixedly connected to the inner wall of the annular cavity close to the mounting plate.
[0010] As a further optimization scheme of the present invention, reset blocks are fixed on both sides of the heat sink and both sides of the semiconductor refrigeration plate, and a guide rod is passed through the side of the reset block. The guide rod is arranged along the radial direction of the mounting sleeve, and the end of the guide rod is fixedly connected to the inner wall of the annular cavity. A reset spring is sleeved on the outer periphery of the guide rod, one end of the reset spring is fixedly connected to the reset block, and the end of the reset spring away from the reset block is fixedly connected to the inner wall of the annular cavity close to the mounting plate.
[0011] As a further optimization scheme of the present invention, the side of the guide tube away from the fin is set as an inclined surface, the top of the inclined surface is inclined toward the direction close to the fin, and the cross-sectional size of the guide tube gradually decreases from bottom to top.
[0012] As a further optimization scheme of the present invention, the side of the guide tube away from the fin is set as an inclined surface, the top of the inclined surface is inclined toward the direction close to the fin, and the cross-sectional size of the guide tube gradually decreases from bottom to top.
[0013] A control method for an adjustable heat-insulating electric kettle comprises the following steps: S1, connect the base to a power source, put the kettle body into the installation sleeve, the first power connection block is in electrical contact with the second power connection block, the heating wire is energized to heat the water, and the heating is stopped after the water is heated to ℃, and the water cools naturally; S2. When the water needs to be cooled slowly, the motor is started, and the motor drives the rotating ring to rotate through the gear and the gear ring, so that the heat sink fits the outer peripheral surface of the kettle body. At this time, the motor stops working, and the blocking ring moves upward. The fan dissipates heat from the heat sink through the guide pipe to improve the heat dissipation efficiency. S3. When the water needs to be cooled quickly, the motor is started, and the motor drives the rotating ring to rotate through the gear and the gear ring, so that the heat sink and the semiconductor refrigeration plate are both in contact with the outer circumference of the kettle body to achieve high-speed heat dissipation.
[0014] The beneficial effects of the present invention are as follows: after the kettle body is placed on the base and the power is turned on, the heating wire can heat the water to boiling. When the cooling of the water needs to be accelerated, the motor is started, and the motor drives the rotating ring to rotate through the gears and the gear ring. The rotating ring drives the heat sink to move toward the direction close to the kettle body through the pushing groove, and the pushing rod enters the arc groove from the oblique groove one, so that the heat sink is fitted with the outer peripheral surface of the kettle body; the rotating ring continues to rotate and drives the semiconductor refrigeration sheet to move toward the direction close to the kettle body through the oblique groove two, so that the semiconductor refrigeration sheet is fitted with the outer peripheral surface of the kettle body; at the same time, the fan is started, the rotating ring drives the guide tube to rotate, and the moving rod moves upward under the action of the inclined surface, so that the blocking ring moves upward, the exhaust through hole is opened, and the airflow contacts the fins and flows upward through the exhaust through hole, thereby realizing rapid cooling of the water in the kettle body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 is a cross-sectional view of the kettle body of the present invention; Figure 3 It is a structural schematic diagram of the base in the present invention; Figure 4 is a cross-sectional view of the base in the present invention; Figure 5 It is a structural schematic diagram of the driving component in the present invention; Figure 6 It is a structural schematic diagram of the heat sink and semiconductor refrigeration sheet in the present invention.
[0016] In the figure: 1, kettle body; 11, heating wire; 12, temperature sensor; 13, power connection block 2; 2, base; 21, bottom plate; 22, mounting sleeve; 23, mounting plate; 24, power connection block 1; 25, annular cavity; 26, exhaust through hole; 27, moving through hole; 3, heat sink; 31, first sliding through groove; 32, push rod 1; 33, push through groove; 331, arc through groove; 332, oblique through groove 1; 34, fin; 35, reset block; 36. Guide rod; 37. Return spring; 4. Pushing assembly; 41. Rotating ring; 42. Motor; 43. Gear; 44. Gear ring; 45. Guide pipe; 451. Inclined surface; 46. Exhaust slot; 5. Semiconductor cooling plate; 51. Second sliding slot; 52. Pushing rod 2; 53. Oblique slot 2; 6. Fan; 61. Exhaust cavity; 7. Sealing ring; 8. Moving assembly; 81. Moving rod; 82. Fixed disc; 83. Moving spring. DETAILED DESCRIPTION
[0017] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.
[0018] like Figure 1 , Figure 2 and Figure 3 As shown, an adjustable heat preservation electric kettle comprises a base 2 and a kettle body 1, and a heating wire 11 and a temperature sensor 12 are arranged at the bottom of the kettle body 1. The base 2 of the heating wire 11 comprises a bottom plate 21 and a mounting sleeve 22 mounted on the top surface of the bottom plate 21, and a mounting plate 23 is fixed to the inner circumference of the mounting sleeve 22. A power connection block 1 24 is arranged on the top surface of the mounting plate 23, and a power connection block 2 13 for electrical connection with the power connection block 1 24 is arranged on the bottom surface of the kettle body 1.
[0019] Connect the base 2 to the power supply, then place the kettle body 1 into the installation sleeve 22, and electrically connect the power connection block 1 24 with the power connection block 2 13, so that the heating wire 11 is energized and working. When current passes through the heating wire 11, the high resistance of the heating wire 11 causes the electrical energy to be converted into thermal energy, thereby heating the water in the kettle body 1. The temperature sensor 12 is used to monitor the temperature of the water in the kettle body 1 in real time, and feed back the temperature data to the control system of the electric kettle. According to the real-time data provided by the temperature sensor 12, the control system can accurately adjust the working state of the heating wire 11 to ensure that the water temperature reaches the target temperature set by the user.
[0020] like Figure 4 , Figure 5 As shown, an annular cavity 25 is provided in the installation sleeve 22, and a plurality of first sliding grooves 31 communicating with the annular cavity 25 are provided on the inner circumference of the installation sleeve 22, and the installation sleeve 22 is provided with a heat sink 3 slidingly installed along its own radial direction through the first sliding grooves 31. The inner arc surface of the heat sink 3 can fit with the outer circumference of the kettle body 1, and a pushing component 4 for pushing the heat sink 3 to move along the radial direction of the installation sleeve 22 is provided in the annular cavity 25.
[0021] like Figure 5 , Figure 6 As shown, the push assembly 4 includes a push rod 32 fixed to the bottom of the heat sink 3, and the push rod 32 is arranged vertically. A rotating ring 41 is rotatably installed in the annular cavity 25, and a plurality of push slots 33 are provided on the top surface of the rotating ring 41. The push rod 32 is inserted into the push slot 33, and the push rod 32 slides and cooperates with the rotating ring 41 through the push slot 33. A motor 42 is fixed to the bottom surface of the mounting plate 23, and a gear 43 is fixed to the output end of the motor 42. A gear ring 44 is fixed to the bottom surface of the rotating ring 41, and the gear ring 44 and the gear 43 are meshed with each other. The push slot 33 includes an arc slot 331 and an oblique slot 332 that are connected, and the arc slot 331 is arranged along the circumference of the rotating ring 41, and the oblique slot 332 is arranged at an end away from the arc slot 331 and tilted toward a side away from the mounting plate 23.
[0022] like Figure 4 , Figure 6 As shown, the inner circumference of the mounting sleeve 22 is provided with a plurality of second sliding grooves 51, and the mounting sleeve 22 is provided with a semiconductor cooling sheet 5 that slides along its own radial direction through the second sliding grooves 51, and the cold end of the semiconductor cooling sheet 5 can fit with the outer circumference of the kettle body 1. The semiconductor cooling sheet 5 and the heat sink 3 are arranged at intervals along the circumference of the mounting sleeve 22, and the sides of the heat sink 3 and the semiconductor cooling sheet 5 away from the mounting plate 23 are fixed with fins 34. The top surface of the rotating ring 41 is provided with an oblique groove 2 53, and the bottom end of the semiconductor cooling sheet 5 is fixed with a push rod 2 52 that passes through the oblique groove 2 53, and the push rod 2 52 slides and cooperates with the rotating ring 41 through the oblique groove 2 53.
[0023] like Figure 5 , Figure 6 As shown, reset blocks 35 are fixed on both sides of the heat sink 3 and the semiconductor cooling plate 5, and guide rods 36 are provided on the sides of the reset blocks 35. The guide rods 36 are arranged along the radial direction of the mounting sleeve 22, and the ends of the guide rods 36 are fixedly connected to the inner wall of the annular cavity 25. A reset spring 37 is sleeved on the outer periphery of the guide rod 36, one end of the reset spring 37 is fixedly connected to the reset block 35, and the end of the reset spring 37 away from the reset block 35 is fixedly connected to the inner wall of the annular cavity 25 close to the mounting plate 23.
[0024] When the motor 42 is not started, the heat sink 3 and the semiconductor cooling sheet 5 are located away from the kettle body 1 under the elastic force of the return spring 37, and the heat sink 3 and the semiconductor cooling sheet 5 are spaced apart from the kettle body 1, and the water in the kettle body 1 is cooled naturally; when the cooling efficiency needs to be improved, the motor 42 is started, the motor 42 drives the gear 43 to rotate, the gear 43 drives the rotating ring 41 to rotate through the gear ring 44, the push rod 1 32 moves in the oblique through groove 1 332, and the push rod 2 52 moves in the oblique through groove 2 53, at this time, the heat dissipation The sheet 3 is in contact with the outer peripheral surface of the kettle body 1, and the semiconductor refrigeration sheet 5 is spaced a distance from the kettle body 1, so that the kettle body 1 is cooled slowly; the rotating ring 41 continues to rotate, and the push rod 1 32 moves in the arc groove 331, the heat sink 3 is always in contact with the outer peripheral surface of the kettle body 1, and the push rod 2 52 continues to move in the oblique groove 2 53, and the cold end of the semiconductor refrigeration sheet 5 is in contact with the outer peripheral surface of the kettle body 1, and the heat sink 3 and the semiconductor refrigeration sheet 5 cool down the kettle body 1 at the same time, thereby realizing rapid cooling of the kettle body 1.
[0025] like Figure 4 , Figure 5 and Figure 6 As shown, the top surface of the bottom plate 21 is provided with an exhaust cavity 61 connected to the annular cavity 25, and a fan 6 is installed on the inner bottom surface of the exhaust cavity 61. The top surface of the mounting sleeve 22 is provided with a plurality of exhaust holes 26, and a sealing ring 7 for blocking the exhaust holes 26 is provided on the top of the mounting sleeve 22, and a moving assembly 8 for pushing the sealing ring 7 to move upward is provided on the mounting sleeve 22. A plurality of guide tubes 45 are fixed on the top surface of the rotating ring 41, and an exhaust groove 46 connected to the guide tubes 45 is provided on the top surface of the rotating ring 41. The plurality of guide tubes 45 correspond to the fins 34 one by one, and the top of the guide tubes 45 is arranged opposite to the bottom of the fins 34. The side of the guide tube 45 away from the fins 34 is provided with an inclined surface 451, and the top of the inclined surface 451 is inclined toward the direction close to the fins 34. The cross-sectional size of the guide tube 45 gradually decreases from bottom to top, so that the flow velocity of the airflow gradually increases, further enhancing the heat dissipation effect. Through the design of the guide tube 45 and the fins 34, the contact surface between the air and the fins 34 can be enhanced, the discharge of hot air in the annular cavity 25 can be effectively accelerated, the generated heat can be quickly taken away, the heat exchange speed can be increased, thereby improving the heat dissipation efficiency and shortening the cooling time.
[0026] like Figure 4 , Figure 5 and Figure 6As shown, the moving assembly 8 includes a plurality of moving rods 81 fixed to the bottom surface of the blocking ring 7, and the bottom end of the moving rod 81 abuts against the inclined surface 451. The top surface of the mounting sleeve 22 is provided with a moving through hole 27, and the moving rod 81 slides and cooperates with the mounting sleeve 22 in the vertical direction through the moving through hole 27. A fixed disc 82 is sleeved and fixed on the outer circumference of the moving rod 81, and a moving spring 83 is sleeved on the outer circumference of the moving rod 81. The top end of the moving spring 83 is fixedly connected to the inner top surface of the annular cavity 25, and the bottom end of the moving spring 83 is fixedly connected to the top surface of the fixed disc 82.
[0027] When the kettle body 1 is heated, the sealing ring 7 seals the exhaust hole 26 to reduce heat dissipation; when the cooling speed needs to be accelerated, the rotating ring 41 drives the guide tube 45 to rotate, and the moving rod 81 moves upward under the action of the inclined surface 451, thereby driving the sealing ring 7 to move upward, so that the exhaust hole 26 is opened, and the fan 6 is started to generate airflow. The airflow contacts the fins 34 through the guide tube 45, and the hot air flows upward through the exhaust hole 26, thereby accelerating the heat dissipation.
[0028] The implementation principle of the adjustable heat preservation electric kettle of the present application embodiment is as follows: after the kettle body 1 is placed on the base 2, the power is turned on, and the electric heating wire 11 can heat the water in the kettle body 1 to boiling. When the cooling of the water needs to be accelerated according to the needs of the user, the motor 42 is started, and the motor 42 drives the rotating ring 41 to rotate through the gear 43 and the gear ring 44. The rotating ring 41 drives the heat sink 3 to move toward the direction close to the kettle body 1 by pushing the through groove 33, and the push rod 1 32 enters the arc through groove 331 from the oblique through groove 1 332, and the heat sink 3 The rotating ring 41 continues to rotate and drives the semiconductor cooling plate 5 to move toward the direction close to the kettle body 1 through the second inclined through groove 53, and the semiconductor cooling plate 5 is in contact with the outer peripheral surface of the kettle body 1; at the same time, the fan 6 is started, the rotating ring 41 drives the guide tube 45 to rotate, and the moving rod 81 moves upward under the action of the inclined surface 451, so that the blocking ring 7 moves upward, the exhaust hole 26 is opened, and the airflow contacts the fins 34 and flows upward through the exhaust hole 26, thereby realizing the rapid cooling of the water in the kettle body 1.
[0029] A control method for an adjustable heat-insulating electric kettle comprises the following steps: S1, connect the base 2 to the power supply, put the kettle body 1 into the installation sleeve 22, the power block 1 24 is in electrical contact with the power block 2 13, the heating wire 11 is energized to heat the water, and the heating is stopped after the water is heated to 100°C, and the water is cooled naturally; S2. When the water needs to be cooled slowly, the motor 42 is started, and the motor 42 drives the rotating ring 41 to rotate through the gear 43 and the gear ring 44, so that the heat sink 3 fits the outer peripheral surface of the kettle body 1. At this time, the motor 42 stops working, and the blocking ring 7 moves upward, and the fan 6 dissipates heat from the heat sink 3 through the guide pipe 45 to improve the heat dissipation efficiency; S2. When the water needs to be cooled quickly, the motor 42 is started. The motor 42 drives the rotating ring 41 to rotate through the gear 43 and the gear ring 44, so that the heat sink 3 and the semiconductor cooling plate 5 are both in contact with the outer circumference of the kettle body 1. At this time, the motor 42 stops working to achieve high-speed heat dissipation.
[0030] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.
Claims
1. An adjustable heat preservation electric kettle, comprising a base (2) and a kettle body (1), wherein the bottom of the kettle body (1) is provided with a heating wire (11) and a temperature sensor (12), characterized in that: The base (2) comprises a bottom plate (21) and a mounting sleeve (22) mounted on the top surface of the bottom plate (21); an annular cavity (25) is arranged in the mounting sleeve (22); a mounting plate (23) is fixed to the inner circumference of the mounting sleeve (22); a power connection block 1 (24) is arranged on the top surface of the mounting plate (23); a power connection block 2 (13) for electrically connecting to the power connection block 1 (24) is arranged on the bottom surface of the kettle body (1); a plurality of first sliding grooves (31) connected to the annular cavity (25) are arranged on the inner circumference of the mounting sleeve (22); a heat sink (3) is mounted on the mounting sleeve (22) through the first sliding grooves (31) to slide along its radial direction; the heat sink The inner arc surface of (3) can fit with the outer peripheral surface of the kettle body (1), and a pushing component (4) is arranged in the annular cavity (25) for pushing the heat sink (3) to move radially along the mounting sleeve (22); the top surface of the bottom plate (21) is provided with an exhaust cavity (61) connected with the annular cavity (25), and a fan (6) is installed on the inner bottom surface of the exhaust cavity (61); the top surface of the mounting sleeve (22) is provided with a plurality of exhaust holes (26), and the top of the mounting sleeve (22) is provided with a sealing ring (7) for sealing the exhaust holes (26), and the mounting sleeve (22) is provided with a moving component (8) for pushing the sealing ring (7) to move upward.
2. The adjustable heat preservation electric kettle according to claim 1, characterized in that: The pushing assembly (4) comprises a pushing rod (32) fixed to the bottom of the heat sink (3); a rotating ring (41) is rotatably mounted in the annular cavity (25); a plurality of pushing grooves (33) are provided on the top surface of the rotating ring (41); the pushing rod (32) is slidably engaged with the rotating ring (41) through the pushing grooves (33); the pushing grooves (33) comprise an arcuate groove (331) and an oblique groove (332) which are connected; the arcuate groove (331) is arranged along the circumference of the rotating ring (41); and the oblique groove (332) is arranged at an end away from the arcuate groove (331) and is inclined toward a side away from the mounting plate (23).
3. The adjustable heat preservation electric kettle according to claim 2, characterized in that: The inner circumferential surface of the installation sleeve (22) is provided with a plurality of second sliding grooves (51), and the installation sleeve (22) is provided with a semiconductor cooling plate (5) by sliding along its own radial direction through the second sliding grooves (51). The semiconductor cooling plate (5) and the heat sink (3) are arranged at intervals along the circumference of the installation sleeve (22), and the cold end of the semiconductor cooling plate (5) can fit with the outer circumferential surface of the kettle body (1). The top surface of the rotating ring (41) is provided with an oblique groove II (53), and the bottom end of the semiconductor cooling plate (5) is fixed with a push rod II (52) passing through the oblique groove II (53), and the push rod II (52) is slidingly matched with the rotating ring (41) through the oblique groove II (53).
4. The adjustable heat preservation electric kettle according to claim 3, characterized in that: A motor (42) is fixed to the bottom surface of the mounting plate (23), a gear (43) is fixed to the output end of the motor (42), a gear ring (44) is fixed to the bottom surface of the rotating ring (41), and the gear ring (44) and the gear (43) are meshed with each other.
5. The adjustable heat preservation electric kettle according to claim 3, characterized in that: Reset blocks (35) are fixed on both sides of the heat sink (3) and both sides of the semiconductor cooling plate (5), and a guide rod (36) is passed through the side of the reset block (35). The guide rod (36) is arranged along the radial direction of the mounting sleeve (22), and the end of the guide rod (36) is fixedly connected to the inner wall of the annular cavity (25). A reset spring (37) is sleeved on the outer periphery of the guide rod (36), and one end of the reset spring (37) is fixedly connected to the reset block (35), and the end of the reset spring (37) away from the reset block (35) is fixedly connected to the inner wall of the annular cavity (25) close to the mounting plate (23).
6. The adjustable heat preservation electric kettle according to claim 4, characterized in that: A plurality of flow guide tubes (45) are fixed to the top surface of the rotating ring (41), and an exhaust groove (46) connected to the flow guide tubes (45) is provided on the top surface of the rotating ring (41). Fins (34) are fixed to the sides of the heat sink (3) and the semiconductor refrigeration plate (5) away from the mounting plate (23), and a plurality of the flow guide tubes (45) correspond to the fins (34) one by one, and the top of the flow guide tube (45) is arranged opposite to the bottom of the fin (34).
7. The adjustable heat preservation electric kettle according to claim 6, characterized in that: A side of the flow guide tube (45) away from the fin (34) is provided as an inclined surface (451), the top end of the inclined surface (451) is inclined in a direction close to the fin (34), and the cross-sectional size of the flow guide tube (45) gradually decreases from bottom to top.
8. The adjustable heat preservation electric kettle according to claim 7, characterized in that: The moving assembly (8) comprises a plurality of moving rods (81) fixed to the bottom surface of the sealing ring (7); a moving through hole (27) is provided on the top surface of the mounting sleeve (22); the moving rod (81) is slidably matched with the mounting sleeve (22) in the vertical direction through the moving through hole (27); a fixed disc (82) is sleeved and fixed on the outer circumference of the moving rod (81); a moving spring (83) is sleeved on the outer circumference of the moving rod (81); the top end of the moving spring (83) is fixedly connected to the inner top surface of the annular cavity (25); the bottom end of the moving spring (83) is fixedly connected to the top surface of the fixed disc (82); and the bottom end of the moving rod (81) is in contact with the inclined surface (451).
9. A control method for an adjustable heat preservation electric kettle, based on the adjustable heat preservation electric kettle according to any one of claims 1 to 8, characterized in that: The steps include: S1, the base (2) is connected to a power source, the kettle body (1) is placed in the installation sleeve (22), the first power connection block (24) is in electrical contact with the second power connection block (13), the heating wire (11) is energized to heat the water, the heating is stopped after the water is heated to 100° C., and the water is cooled naturally; S2. When the water needs to be cooled slowly, the motor (42) is started, and the motor (42) drives the rotating ring (41) to rotate through the gear (43) and the gear ring (44), so that the heat sink (3) is in contact with the outer peripheral surface of the kettle body (1). At this time, the motor (42) stops working, and the blocking ring (7) moves upward, and the fan (6) dissipates heat from the heat sink (3) through the guide pipe (45), thereby improving the heat dissipation efficiency; S3. When the water needs to be cooled quickly, the motor (42) is started, and the motor (42) drives the rotating ring (41) to rotate through the gear (43) and the gear ring (44), so that the heat sink (3) and the semiconductor cooling plate (5) are both in contact with the outer peripheral surface of the kettle body (1), thereby achieving high-speed heat dissipation.