Liquid heater insulation kettle

Abstract

The utility model relates to a liquid heater insulation kettle, comprising a heater having a boiling water heating state and a heat preservation heating state and acting on a water boiling container, and a control switch for switching the working heating state of the heater, wherein the control switch has a first movable position and a second movable position; the control switch is movably arranged on the insulation kettle, and when the control switch moves to the first movable position, the heater heats the water in the water boiling container; when the control switch moves to the second movable position, the heater heats the water in the water boiling container. Through the above arrangement, the liquid heater insulation kettle has the heat preservation heating function, and there is no need to replace the cover body, thereby solving the problem that the existing liquid heater insulation kettle only has a boiling water disconnection function.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid heating, in particular to a liquid heater insulation kettle. Background Art

[0002] Existing instant kettles usually automatically disconnect when the water is boiled and have no heating and heat preservation function. However, if the kettle has a heat preservation function, an insulation layer is provided on the water boiling container, or the boiling and heating function and the heat preservation and heating function are switched by replacing the kettle lid. For example, Chinese Patent No. 202320587664.7 discloses a multifunctional kettle, which includes: a power base, a kettle installed on the power base, and a kettle lid or a hollow support clamp installed at the mouth of the kettle in a detachable manner, wherein the kettle lid and the hollow support clamp are selectively installed at the opening of the kettle and the hollow support clamp can be used to hold a container for heating and heat preservation. A detachable and replaceable kettle lid and a hollow supporting clamp are provided at the mouth of the kettle. The kettle is sealed by the kettle lid during normal use. When used as a thermos kettle, it needs to be replaced with the hollow supporting clamp. The container that needs to be kept warm is placed on the hollow supporting clamp, and the boiling water vapor in the kettle rises to the hollow supporting clamp to heat and keep the bottom of the container warm.

[0003] The above-mentioned multifunctional kettle, when the kettle is boiling water and heating, a conventional kettle cover is placed on the top of the container, and when the kettle is heat-insulating and heating, a cover body connected to the outside air is placed on the top of the container, so that the kettle is always heat-insulating and heating. Utility Model Content

[0004] The utility model aims to provide a liquid heater heat preservation kettle, which can switch the working heating state of the heater by setting a control switch with a first active position and a second active position, and in the process of the heater heat preservation and heating a water boiling container, cooperate with the second action switch, the heat preservation and heating temperature reaches the disconnection temperature setting value, the second action switch is in the disconnection state, and when the temperature drops to the reset heat preservation setting value, the second action switch is reset to the power-on state and triggers the heater to heat preservation and heat the water boiling container again, so that the heat preservation and heating of the water boiling container are circulated for times, and the heating tube (heater) is controlled by circuit conversion to play a cyclic heat preservation function, ensuring that the maximum temperature of the water in the water boiling container does not exceed 85±5℃ (disconnection temperature setting value) and the minimum temperature in the water container is not lower than 50±5℃ (reset heat preservation setting value).

[0005] The purpose of the utility model is achieved in this way:

[0006] A liquid heater heat preservation kettle, comprising a heater having a boiling heating state and a heat preservation heating state and acting on a water boiling container, and a control switch for switching the working heating state of the heater, the control switch having a first active position and a second active position;

[0007] The control switch is movably arranged on the thermos kettle, and the control switch moves to a first movable position, so that the heater heats the water in the water boiling container;

[0008] The control switch moves to the second moving position, and the heater heats and insulates the water boiling container.

[0009] Through the above arrangement, the liquid heater insulation kettle has the insulation and heating function, and there is no need to replace the cover body, thereby solving the problem that the existing liquid heater insulation kettle only has a boiling water disconnection function.

[0010] The liquid heater insulated kettle also includes a water boiling heating module and a heat preservation heating module arranged on the control circuit of the heat preservation kettle. When the control switch moves to the first active position, it switches to the water boiling heating module to connect to the control circuit. When the control switch moves to the second active position, it switches to the heat preservation heating module to connect to the control circuit, so as to switch the working heating state of the heater through circuit conversion.

[0011] The liquid heater insulation kettle also includes a first function switch having an on state and an off state, and the control switch, the first function switch, and the heater are conductively connected in sequence;

[0012] The heater heats the water in the water boiling container, the first action switch is in the power-on state, the water heating temperature reaches the water boiling temperature setting value, and the first action switch is in the disconnected state.

[0013] The first action switch is provided with a first action member for triggering the on / off of the internal circuit of the first action switch; the first action switch is a steam switch, the first action switch is arranged in the inner cavity of the handle, and the handle is provided with a main control switch acting on the first action switch;

[0014] The first action switch is a steam switch;

[0015] The main control switch is movably arranged on the handle and has a first state and a second state; when the main control switch is in the first state, the first action switch is in a power-on state; when the liquid in the water boiling container is heated to boiling and generates steam acting on the first action member, the first action member deforms and drives the main control switch to move to the second state, and the first action switch is in a disconnected state.

[0016] The liquid heater insulation kettle also includes a second function switch with a power-on state and a power-off state, and a conductive connection is formed between the control switch, the second function switch, and the heater;

[0017] When the heater is insulating and heating the water boiling container, the insulation heating temperature reaches the disconnection temperature setting value, and the second action switch is in the disconnected state. When the temperature drops to the reset insulation setting value, the second action switch is reset to the power-on state and triggers the heater to insulate and heat the water boiling container again. The water boiling container is insulated and heated in this way for a cycle so that the water temperature in the water boiling container is maintained in the corresponding temperature range.

[0018] When the heater is insulating and heating the water boiling container, the insulation and heating temperature reaches the disconnection temperature setting value, and the second action switch is in the disconnected state. When the temperature drops to the reset insulation setting value, the second action switch is reset to the power-on state and triggers the heater to insulate and heat the water boiling container again, thereby cyclically insulating and heating the water boiling container.

[0019] The second action switch is provided with a second action member which is deformed according to the temperature of the object and triggers the on and off of the internal circuit of the second action switch.

[0020] The second action switch is a kick-off thermostat.

[0021] When the object temperature reaches the disconnection temperature setting value of the second action switch, the second detection sheet deforms and triggers the internal circuit of the second action switch to be in a disconnected state; when the object temperature drops, the second detection sheet deforms and resets, and the internal circuit of the second action switch is in a conductive connection state, so that the second action switch has a power-on state and a disconnected state;

[0022] The disconnect temperature setting is 80°C to 85°C.

[0023] The reset insulation setting value is 45℃-55℃.

[0024] The liquid heater insulation kettle also includes an anti-dry-burning thermostat with a power-on state and a disconnected state, and the anti-dry-burning thermostat and the control switch are conductively connected;

[0025] During the process of heating or keeping warm the water in the boiling container, when the anti-dry-boiling thermostat is in the disconnected state, the heater does not keep heating the boiling container.

[0026] The anti-dry-burning thermostat is provided with a third action sheet which is deformed with the temperature of the object and triggers the on and off of the internal circuit of the anti-dry-burning thermostat.

[0027] The water boiling container is detachably mounted on the base, an electrical coupling connection mechanism is provided between the water boiling container and the base, and the water boiling container is detachably mounted on the base through the electrical coupling connection mechanism;

[0028] The control switch is movably arranged on the water boiling container.

[0029] The heater is arranged on the bottom of the water boiling container.

[0030] The electric coupling connection mechanism comprises an upper coupler arranged below the water boiling container and a lower coupler arranged on the base, and the upper coupler is provided with an anti-dry-burning thermostat for detecting the temperature of the heater;

[0031] The base is provided with a first function switch and a second function switch for detecting the temperature of the heater;

[0032] The water boiling container is placed on the base, the upper coupler is coupled to the lower coupler, and when the anti-dry-burning thermostat, the control switch, the first action switch, and the heater are conductively connected, a water boiling control circuit that heats the water boiling container and has an anti-dry-burning effect is formed; in addition, when the anti-dry-burning thermostat, the control switch, the second action switch, and the heater are conductively connected, a heat preservation heating control circuit that heats the water boiling container and has an anti-dry-burning effect is formed.

[0033] By setting the anti-dry-burn temperature value, when the anti-dry-burn thermostat detects that the temperature of the object reaches the anti-dry-burn temperature value, the anti-dry-burn thermostat is disconnected; when the object temperature drops and is lower than the anti-dry-burn temperature value, the anti-dry-burn thermostat resets the value to the conductive connection state.

[0034] The beneficial effects of the utility model are as follows:

[0035] By setting a control switch with a first active position and a second active position, the working heating state of the heater can be switched, and in the process of the heater keeping the water boiling container warm and heating, in conjunction with the second action switch, the keeping warm heating temperature reaches the disconnection temperature setting value, the second action switch is in the disconnection state, and when the temperature drops to the reset keeping warm setting value, the second action switch is reset to the power-on state and triggers the heater to keep the water boiling container warm again, so that the water boiling container is kept warm and heated cyclically, and the heating tube (heater) is controlled by circuit conversion to play a cyclic keeping warm function, ensuring that the maximum temperature of the water in the water boiling container does not exceed 85±5℃ (disconnection temperature setting value) and the minimum temperature in the water container is not lower than 50±5℃ (reset keeping warm setting value). BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 The utility model is a three-dimensional structural schematic diagram of a thermos kettle according to an embodiment of the present invention.

[0037] Figure 2 This is a schematic diagram of the exploded structure of the water boiling container and the base assembly according to one embodiment of the utility model.

[0038] Figure 3 This is a schematic diagram of the exploded structure of the water boiling container and the base in another assembly position according to an embodiment of the utility model.

[0039] Figure 4 This is a schematic diagram of the cross-sectional structure of the water boiling container and the base assembly according to one embodiment of the utility model.

[0040] Figure 5 It is a three-dimensional structural schematic diagram of a first-action switch according to an embodiment of the utility model.

[0041] Figure 6 This is a three-dimensional structural schematic diagram of a main control switch acting on a first action switch according to an embodiment of the utility model.

[0042] Figure 7 It is a schematic diagram of the three-dimensional structure of an anti-dry-burning thermostat according to an embodiment of the utility model.

[0043] Figure 8 This is a schematic diagram of the three-dimensional structure of the anti-dry-burning thermostat in another orientation according to an embodiment of the utility model.

[0044] Fig. 9 This is a schematic diagram of the circuit structure of a control switch in a first position according to an embodiment of the utility model.

[0045] Fig.10 This is a schematic diagram of the circuit structure of an embodiment of the utility model when the control switch is in the second position. DETAILED DESCRIPTION

[0046] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0047] See also Figure 1-Figure 10 , a liquid heater insulation kettle, comprising a heater 3 having a boiling heating state and a heat preservation heating state and acting on a boiling water container 1, and a control switch 4 for switching the working heating state of the heater 3, the control switch 4 having a first active position and a second active position;

[0048] The control switch 4 is movably arranged on the thermos kettle, and when the control switch 4 moves to a first movable position, the heater 3 heats the water in the water boiling container 1;

[0049] The control switch 4 moves to the second moving position, and the heater 3 heats the water boiling container 1 to keep it warm.

[0050] The liquid heater insulated kettle also includes a water boiling heating module and a heat preservation heating module arranged on the control circuit of the heat preservation kettle. When the control switch 4 moves to the first active position, it switches to the water boiling heating module to connect to the control circuit. When the control switch 4 moves to the second active position, it switches to the heat preservation heating module to connect to the control circuit, so as to switch the working heating state of the heater 3 through circuit conversion.

[0051] The heater 3 heats the water in the water boiling container 1, the first action switch 5 is in the power-on state, the water heating temperature reaches the water boiling temperature setting value, and the first action switch 5 is in the disconnected state.

[0052] The first action switch 5 is provided with a first action member 6 for triggering the on / off of the internal circuit of the first action switch 5; the first action switch 5 is a steam switch, the first action switch 5 is arranged in the inner cavity of the handle 12, and the handle 12 is provided with a main control switch 13 acting on the first action switch 5;

[0053] The liquid heater insulation kettle also includes a second action switch 7 with a power-on state and a power-off state, and a conductive connection is formed between the control switch 4, the second action switch 7, and the heater 3;

[0054] During the process of the heater 3 keeping the water boiling container 1 warm, the keeping heating temperature reaches the disconnecting temperature setting value, and the second action switch 7 is in the disconnected state. When the temperature drops to the reset keeping setting value, the second action switch 7 is reset to the powered state and triggers the heater 3 to keep the water boiling container 1 warm again. In this way, the water boiling container 1 is kept warm and heated for a cycle so that the water temperature in the water boiling container 1 is maintained in the corresponding temperature range.

[0055] The first action switch 5 is a steam switch;

[0056] The main switch 13 is movably arranged on the handle 12 and has a first state and a second state; when the main switch 13 is in the first state, the first action switch 5 is in a powered state; when the liquid in the water boiling container 1 is heated to boiling and generates steam to act on the first action member 6, the first action member 6 is deformed to drive the main switch 13 to move to the second state, and the first action switch 5 is in a disconnected state.

[0057] In this embodiment, the main control switch 13 is push-type arranged on the handle 12, a first actuating rod is arranged between the main control switch 13 and the first acting member 6, a swing support rod is arranged between the main control switch 13 and the first acting switch 5, and a second actuating rod is arranged between the main switch 13 and the moving contact piece of the first acting switch 5. When the liquid in the water boiling container 1 is heated to boiling and generates steam, the steam enters along the handle 12 and contacts the first acting member 6. The first acting member is deformed and drives the main control switch 13 to move to the second state through the first actuating rod. The main switch 13 swings along the swing support rod to press down the moving contact piece, so that the moving contact piece of the first acting switch 5 is separated from the static contact piece, and the internal circuit of the first acting switch 5 is in a disconnected state.

[0058] At this time, when the main control switch 13 is switched from the second state to the first state by pressing, the moving contact piece and the stationary contact piece are in contact again, and the internal circuit of the first action switch 5 is in a connected state.

[0059] The liquid heater insulation kettle also includes a second function switch 7 with a power-on state and a power-off state, and the control switch 4, the second function switch 7, and the heater 3 are conductively connected in sequence;

[0060] During the process of the heater 3 keeping the water boiling container 1 warm, the keeping temperature reaches the disconnecting temperature setting value, and the second action switch 7 is in the disconnected state. When the temperature drops to the reset keeping temperature setting value, the second action switch 7 is reset to the powered state and triggers the heater 3 to keep the water boiling container 1 warm again, thereby keeping the water boiling container 1 warm for a cycle of times.

[0061] The second action switch 7 is provided with a second action member which is deformed with the temperature of the object and triggers the on and off of the internal circuit of the second action switch 7 .

[0062] The second action switch 7 is a sudden trip thermostat.

[0063] The disconnect temperature setting is 80°C to 85°C.

[0064] The reset insulation setting value is 45℃-55℃.

[0065] The liquid heater insulation kettle also includes an anti-dry-burning thermostat 8 with a power-on state and an off state, and the anti-dry-burning thermostat 8 and the control switch 4 are conductively connected;

[0066] During the process of boiling water, heating or keeping warm in the water boiling container 1 , when the anti-dry-boiling thermostat 8 is in the disconnected state, the heater 3 does not keep heating the water boiling container 1 .

[0067] The anti-dry-burning thermostat 8 is provided with a third function member 9 which is deformed by the temperature of the object and triggers the on-off of the internal circuit of the anti-dry-burning thermostat 8 .

[0068] The water boiling container 1 is detachably mounted on the base 2. An electrical coupling connection mechanism is provided between the water boiling container 1 and the base 2. The water boiling container 1 is detachably mounted on the base 2 through the electrical coupling connection mechanism.

[0069] The control switch 4 is movably arranged on the water boiling container 1.

[0070] The heater 3 is arranged on the bottom of the water boiling container 1.

[0071] The electrical coupling connection mechanism comprises an upper coupler 10 arranged below the water boiling container 1, and a lower coupler 11 arranged on the base 2, and an anti-dry-burning thermostat 8 for detecting the temperature of the heater 3 is arranged on the upper coupler 10;

[0072] The base 2 is provided with a first function switch 5 and a second function switch 7 for detecting the temperature of the heater 3;

[0073] The water boiling container 1 is placed on the base 2, the upper coupler 10 is coupled to the lower coupler 11, and the anti-dry-burning thermostat 8, the control switch 4, the first action switch 5, and the heater 3 are conductively connected to form a water boiling control circuit that heats the water boiling container 1 and has an anti-dry-burning effect; in addition, the anti-dry-burning thermostat 8, the control switch 4, the second action switch 7, and the heater 3 are conductively connected to form a heat preservation heating control circuit that heats the water boiling container 1 and has an anti-dry-burning effect.

[0074] In this embodiment, a power indicator light and a keep warm indicator light are arranged on the water boiling container 1 .

[0075] In this embodiment, the water boiling container 1 is provided with a handle 12, and a cavity for arranging the wire is provided in the handle 12. The anti-dry-burning thermostat 8 is arranged on the upper coupler 10 and forms a conductive connection with the upper coupler 10, and the control switch 4, the heater 3, and the upper coupler 10 are connected by wires, and the wires are accommodated in the cavity of the handle 12.

[0076] In this embodiment, the anti-dry-burning thermostat 8, the first action switch 5, and the second action switch 7 all include a metal detection sheet, a moving contact sheet, and a stationary contact sheet for deforming with the temperature of the object. A control rod is provided between the metal detection sheet and the moving contact sheet. The metal detection sheet deforms with the temperature of the object. When the temperature of the object rises to a set value, the metal detection sheet deforms and triggers the control rod to move. The control rod moves to drive the moving contact sheet away from the stationary contact sheet, and the internal circuits of the anti-dry-burning thermostat 8, the first action switch 5, and the second action switch 7 are in a disconnected state.

[0077] The object is cooled down, the metal detection sheet is deformed and reset, and the anti-dry-burning thermostat 8, the first action switch 5, and the second action switch 7 are reset.

[0078] In this embodiment, the control switch 4 can be arranged in a push-type or rotational manner on the body of the water boiling container 1. The control switch 4 is preferably a boat-shaped switch.

[0079] Specifically:

[0080] When the rocker switch of the electric kettle is in the I position (first position), the first action switch 5 is turned on. When the water in the electric kettle reaches 98°C, the first action switch 5 will cut off the power supply and the electric kettle is in a power-off state.

[0081] When the boat-shaped switch is in the II position (the second position), the electric kettle starts the heating tube and enters the insulation function. When the water temperature of the electric kettle is within the range of 85±5℃, the second action switch 7 will cut off the power supply. When the water temperature of the electric kettle is lower than the range of 50±5℃, the second action switch 7 will automatically turn on the power supply and enter the secondary heating and insulation. In this way, the insulation function is entered in a cycle to ensure that the temperature inside the electric kettle does not exceed 85±5℃, the highest water temperature does not exceed the range of 85±5℃, and the lowest temperature is not lower than the range of 50±5℃.

[0082] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A liquid heater insulation kettle, characterized in that: It comprises a heater (3) having a water boiling heating state and a heat preservation heating state and acting on a water boiling container (1), and a control switch (4) for switching the working heating state of the heater (3), the control switch (4) having a first active position and a second active position; The control switch (4) is movably arranged on the thermos kettle, and when the control switch (4) moves to a first movable position, the heater (3) heats the water in the water boiling container (1); The control switch (4) is moved to the second movable position, and the heater (3) heats and insulates the water boiling container (1).

2. The liquid heater insulation kettle according to claim 1, characterized in that: It also includes a water boiling heating module and a heat preservation heating module arranged on the control circuit of the heat preservation kettle. When the control switch (4) moves to a first movable position, it switches to the water boiling heating module to connect to the control circuit. When the control switch (4) moves to a second movable position, it switches to the heat preservation heating module to connect to the control circuit, so as to switch the working heating state of the heater (3) through circuit conversion.

3. The liquid heater insulation kettle according to claim 1, characterized in that: It also includes a first action switch (5) having an on state and an off state, and a conductive connection is formed between the control switch (4), the first action switch (5), and the heater (3); The heater (3) heats the water in the water boiling container (1), the first action switch (5) is in an energized state, the water heating temperature reaches a water boiling temperature setting value, and the first action switch (5) is in an off state.

4. The liquid heater insulation kettle according to claim 3, characterized in that: The first action switch (5) is provided with a first action member (6) for triggering the on / off of an internal circuit of the first action switch (5); the first action switch (5) is a steam switch, the first action switch (5) is arranged in an inner cavity of the handle (12), and the handle (12) is provided with a main control switch (13) acting on the first action switch (5); The first action switch (5) is a steam switch; The main control switch (13) is movably arranged on the handle (12) and has a first state and a second state; when the main control switch (13) is in the first state, the first action switch (5) is in a powered-on state; when the liquid in the water boiling container (1) is heated to boiling and generates steam which acts on the first action member (6), the first action member (6) deforms to drive the main control switch (13) to move to the second state, and the first action switch (5) is in a disconnected state.

5. The liquid heater insulation kettle according to claim 1, characterized in that: It also includes a second function switch (7) having an on state and an off state, and a conductive connection is formed between the control switch (4), the second function switch (7), and the heater (3); During the process of the heater (3) heat-insulating the water boiling container (1), the heat-insulating heating temperature reaches the disconnection temperature setting value, and the second action switch (7) is in the disconnected state. When the temperature drops to the reset heat-insulating setting value, the second action switch (7) is reset to the power-on state and triggers the heater (3) to heat-insulate the water boiling container (1) again. In this way, the heat-insulating heating of the water boiling container (1) is repeated for a number of times, so that the water temperature in the water boiling container (1) is maintained within the corresponding temperature range.

6. The liquid heater insulation kettle according to claim 5, characterized in that: The second action switch (7) is provided with a second action member which deforms according to the temperature of the object and triggers the on and off of the internal circuit of the second action switch (7).

7. The liquid heater insulation kettle according to claim 5, characterized in that: The second action switch (7) is a sudden trip thermostat, the disconnection temperature setting value is 80°C to 85°C; the reset insulation setting value is 45°C-55°C.

8. The liquid heater insulation kettle according to claim 1, characterized in that: It also includes an anti-dry-burning thermostat (8) having an energized state and an off state, and the anti-dry-burning thermostat (8) and the control switch (4) are electrically connected; During the process of heating or keeping warm the water in the water boiling container (1), when the anti-dry-burning thermostat (8) is in the disconnected state, the heater (3) does not keep heating the water boiling container (1).

9. The liquid heater insulation kettle according to claim 8, characterized in that: The anti-dry-burning thermostat (8) is provided with a third operating member (9) which deforms according to the temperature of the object and triggers the on / off switching of the internal circuit of the anti-dry-burning thermostat (8).

10. The liquid heater insulation kettle according to claim 1, characterized in that: The water boiling container (1) is detachably mounted on the base (2); an electrical coupling connection mechanism is provided between the water boiling container (1) and the base (2); the water boiling container (1) is detachably mounted on the base (2) via the electrical coupling connection mechanism; The control switch (4) is movably arranged on the water boiling container (1). The heater (3) is arranged on the bottom of the water boiling container (1). The electrical coupling connection mechanism comprises an upper coupler (10) arranged below the water boiling container (1), and a lower coupler (11) arranged on the base (2); the upper coupler (10) is provided with an anti-dry-burning thermostat (8) for detecting the temperature of the heater (3); The base (2) is provided with a first function switch (5) and a second function switch (7) for detecting the temperature of the heater (3); The water boiling container (1) is placed on the base (2), the upper coupler (10) is coupled to the lower coupler (11), and when the anti-dry-burning thermostat (8), the control switch (4), the first action switch (5), and the heater (3) are electrically connected, a water boiling control circuit is formed that heats the water boiling container (1) and has an anti-dry-burning function; in addition, when the anti-dry-burning thermostat (8), the control switch (4), the second action switch (7), and the heater (3) are electrically connected, a heat preservation heating control circuit is formed that heats the water boiling container (1) and has an anti-dry-burning function.

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