CN2195911Y

CN2195911Y - Self heating temp. control electric kettle

Info

Publication number: CN2195911Y
Application number: CN 93238771
Authority: CN
Inventors: 黄曾新; 彭海山
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-05-27
Filing date: 1993-05-27
Publication date: 1995-05-03
Anticipated expiration: 2003-05-27

Abstract

The utility model relates to a self heating type temperature control electric water kettle, comprising a kettle cover, a kettle body, a handle, a power supply socket, and an electric heating pipe. The utility model is characterized in that the utility model also comprises a metal heat conducting sheet (or pipe), a miniature electric heating device which is fixed in the heat conducting sheet (or pipe), and an adjustable bimetal sheet temperature control device; the miniature electric heating device is straddled on the joint end of two power supplies of the power supply socket; the adjustable bimetal sheet temperature control device is connected with the electric heating pipe in series. In the using process, when the water of the kettle achieves the set valve, the miniature electric heating device heats the temperature control device, and the power supplies automatically cut off.

Description

Self heating temp. control electric kettle

The utility model relates to a kind of water cooking appliance, particularly a kind of self-heating temperature-control electric kettle.

Existing insulating pot generally by pot lid, has the kettle body of water draining beak, is connected in the handle on the kettle body, and two ends are made up of power connection and the electrothermal tube that is fixedly connected on kettle body or pot lid; During use, connect power supply, the electrothermal tube heating makes that water temperature is increased to boiling gradually in the kettle body, because no temperature-controlling mechanism, can not automatically cutting off power source during the water boiling, and electrothermal tube continues heating, wastes electric energy, easy burn-out when electrothermal tube is not in water, service life is shorter; Can not regulate or control water temperature.

The purpose of the utility model is intended to overcome above-mentioned deficiency of the prior art, the self-heating temperature-control electric kettle that provides a kind of water temperature to regulate or to control.

Technical solution of the present utility model is: a kind of self-heating temperature-control electric kettle, comprise pot lid, the kettle body that water draining beak is arranged, be connected in the handle on the kettle body, there is power connection at two ends and the electrothermal tube on the kettle body wall of being fixedly connected, its feature part is: a metal heat transfer sheet (3) also has been fixedly connected on kettle body (2) outer wall of described electrothermal tube (6) top, adjacent micro electic heater (4) and can regulate bimetal leaf one end of bimetal temperature control device (5) is fixedly connected on this metal heat transfer sheet (3), can regulate bimetal temperature control device (5) and be connected on the power supply wiring of electrothermal tube (6) one ends, micro electic heater (4) cross-over connection is in two power connection ends.

Another technical solution of the present utility model is: a kind of self-heating temperature-control electric kettle, comprise pot lid, the kettle body that water draining beak is arranged, be connected in the handle on the kettle body, there is power connection at two ends and the electrothermal tube on pot lid of being fixedly connected, its feature part is: the heat-transfer metal pipe (9) of the lower end closed that also is fixedly connected on the described pot lid (1), this heat-transfer metal pipe (9) is built-in with adjacent micro electic heater (4) and bimetal temperature control device (10), bimetal temperature control device (10) is connected on the power supply wiring of electrothermal tube (8) one ends, and micro electic heater (4) cross-over connection is in described two power connection ends.

In this technical solution, described electrothermal tube is preferably how discoid electrothermal tube (11).

In the above-mentioned technical solution, described micro electic heater (4) can be that power is the heating of 10-100W, is preferably the heating that power is 20-50W; Heating can be by material preparations such as carbon film, metal film, PTC ceramic semiconductors, and is consistent with prior art.

The utlity model has following characteristics:

(1) adopt micro electic heater, (can regulate) bimetal temperature control device and heat transfer sheet (pipe) to wait and control or regulate temperature, when water temperature did not reach the temperature of setting in the kettle body, the heat that micro electic heater produces was mainly absorbed by water by heat transfer sheet (pipe); Water temperature rises gradually, and when it reached the temperature of setting, the heat major part that micro electic heater produces added the bimetal leaf of Thermal temperature controller, makes its disconnection, realized automatically cutting off power source; When water temperature was reduced to uniform temperature, bimetal temperature control device is connected can connect power supply again automatically;

(2) owing to adopted (1) described regulation and control temperature device, electrothermal tube can be not overheated, that is can not burn out long service life because of overheated;

(3) simple in structure, safe and convenient to use, durable, energy-conservation obvious.

Fig. 1 is the utility model embodiment 1 structural representation;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is the utility model embodiment 2 structural representations;

Fig. 4 is the utility model embodiment 3 structural representations;

Fig. 5 is the utility model electrical schematic diagram.

Among the figure: 1-pot lid, 2-kettle body, 3-metal heat transfer sheet, 4-micro electic heater, 5-can regulate bimetal temperature control device, 6-electrothermal tube, 7-socket, 8-electrothermal tube, 9-heat-transfer metal pipe, 10-bimetal temperature control device, the how discoid electrothermal tube of 11-, 12-handle.

Be embodiment of the present utility model below:

Embodiment 1: referring to Fig. 1,2.A kind of self-heating temperature-control electric kettle, comprise pot lid 1, the kettle body 2 that water draining beak is arranged, two ends are connected in the handle 12 on the kettle body 2, there is power connection at two ends and the annular electric heating tube 6 on kettle body 2 walls of being fixedly connected, be fixedly connected on quadrangular jar body 2 outer walls on the electrothermal tube 6 metal heat transfer sheet 3(for example: the aluminum or aluminum alloy sheet), closely be fixedly connected side by side on metal heat transfer sheet 3 micro electic heater 4 and can regulate bimetal leaf one end of bimetal temperature control device 5; Can regulate on the power supply wiring that bimetal temperature control device 5 is connected on electrothermal tube 6 one ends (promptly being serially connected between the end of a power connection and electrothermal tube 6), micro electic heater 4(can be 20-50W) cross-over connection is in two power connection ends; Two power connections form a socket 7 that can connect power supply outside kettle body 2 walls, can also one earth terminal be set to ensure safety at two power connection places; Metal heat transfer sheet 3 closely contacts with kettle body 2 outer walls and makes the wall internal and external temperature approaching, accurately temperature control.

During use, inject cold water in the kettle body 2, connect power supply by socket 7, electrothermal tube 6 heatings are risen water temperature; Micro electic heater 4 also generates heat, its heat part is passed to water through metal heat transfer sheet 3 and kettle body 2 walls, passes to simultaneously and can regulate bimetal temperature control device 5, when water-in-kettle Wen Bugao, the heat major part that micro electic heater 4 produces is absorbed by water, and thermostat 5 temperature are high and work in the connection power supply status; When water seethed with excitement or reaches design temperature, the water heat absorption reduced or does not have, and metal heat transfer sheet 3 temperature rise, and made thermostat 5 temperature be increased to bimetal leaf and disconnected, and promptly power cutoff stops to heat; When water temperature drops to certain value, metal heat transfer sheet 3 temperature are descended, the bimetal leaf of thermostat 5 is connected, and promptly connects power supply, electrothermal tube 6 work heatings.

Embodiment 2: referring to Fig. 3.A kind of self-heating temperature-control electric kettle, comprise pot lid 1, the kettle body 2 that water draining beak is arranged, two ends are connected in the handle 12 on the kettle body 2, there is power connection at two ends and the how discoid electrothermal tube 11 on pot lid 1 of being fixedly connected, the heat-transfer metal pipe 9(material that the upper end is fixedly connected in pot lid 1 upper and lower side sealing can be an aluminum or aluminum alloy etc.), placing the micro electic heater 4(of contact in the heat-transfer metal pipe 9 is the heatings such as heating wire of power 20-50W) and bimetal temperature control device 10; Bimetal temperature control device 10 is connected on the power supply wiring of electrothermal tube 11 1 ends (that is: being serially connected between the end of a power connection and electrothermal tube 11), and micro electic heater 4 cross-over connections are in two power connection ends; Two power connections form a socket 7 that can connect power supply in pot lid 1 outside, also can be provided with earth terminal so that safer use in the socket 7.

During use, inject cold water in the kettle body 2, connect power supply by socket 7, electrothermal tube 11 heatings add hot water; Micro electic heater 4 also generates heat, and when water temperature was low, the heat that micro electic heater 4 produces was mainly absorbed by water to heat-transfer metal pipe 9, thermostat 10 temperature not eminence in connecting power supply status; When water seethed with excitement, the water heat absorption reduced or does not have, and the heat that micro electic heater 4 produces adds Thermal temperature controller 10 and disconnects to bimetal leaf, power cutoff, and heating stops.But water temperature conducting again during to certain value.

Embodiment 3: referring to Fig. 4.A kind of self-heating temperature-control electric kettle, electrothermal tube adopts annular electric heating tube 8, other structure connecting relation.The course of work is equal to embodiment 2, slightly.

Claims

1, a kind of self-heating temperature-control electric kettle, comprise pot lid, the kettle body that water draining beak is arranged, be connected in the handle on the kettle body, there is power connection at two ends and the electrothermal tube on the kettle body wall of being fixedly connected, it is characterized in that: a metal heat transfer sheet (3) also has been fixedly connected on kettle body (2) outer wall of described electrothermal tube (6) top, adjacent micro electic heater (4) and can regulate bimetal leaf one end of bimetal temperature control device (5) is fixedly connected on this metal heat transfer sheet (3), can regulate bimetal temperature control device (5) and be connected on the power supply wiring of electrothermal tube (6) one ends, micro electic heater (4) cross-over connection is in two power connection ends.

2, by the described self-heating temperature-control electric kettle of claim 1, it is characterized in that: described micro electic heater (4) can be that power is the heating of 10-100W.

3, insulating pot according to claim 1, it is characterized in that: two ends have the electrothermal tube (8) of power connection to be fixedly connected on pot lid (1), the heat-transfer metal pipe (9) of the lower end closed that also is fixedly connected on the pot lid (1), this heat-transfer metal pipe (9) is built-in with adjacent micro electic heater (4) and bimetal temperature control device (10), bimetal temperature control device (10) is connected on the power supply wiring of electrothermal tube (8) one ends, and micro electic heater (4) cross-over connection is in two power connection ends.

4, by the described self-heating temperature-control electric kettle of claim 3, it is characterized in that: described micro electic heater (4) can be that power is the heating of 10-100W.

5, by claim 3 or 4 described self-heating temperature-control electric kettles, it is characterized in that: described electrothermal tube is preferably how discoid electrothermal tube (11).