CN2182582Y - Automatic control and alarming electric kettle - Google Patents

Abstract

The utility model relates to an automatic alarming and control electric heating kettle, which comprises a kettle (4), an electric heating tube (1), a temperature controller (3), an alarm system and a power-supply line (2), wherein, the temperature controller (3) is composed of a heat accumulating tube (14), a heat conducting cup (7), a bimetallic piece (10), a spring and a circuit board (15) with contact points. One end of the heat accumulating tube (14) is fixed with the electric heating tube (1), and the other end passes through the kettle wall (4), and then, is connected with the inner bottom of the heat conducting cup. The outer bottom of the heat conducting cup (7) is connected with the bimetallic piece (10). The other side of the bimetallic piece (10) is fixed with the spring (8). The tail end of the spring is connected with the circuit board with contact points. The utility model has the advantages of accurate control of temperature, quick and reliable switching off, automatic control of heating and heat preservation, prevented empty heating of the kettle, automatic alarm, high safety and reliability.

Description

Automatic control and alarming electric kettle

The utility model is a kind of electric kettle, is a kind of from ringing automatic control electrical heating kettle.

Existing electrical heating kettle in use, water boils excessive, water dryouies just empty the burning, the empty back electrical equipment that burns burns or produces other accidents.The automatic outage kettle that CN2123952U proposes is provided with auto-power-off device, has solved kettle dry combustion method problem, this electric kettle unreasonable structure, and function singleness does not satisfy instructions for use, and this auto-power-off device is malfunctioning easily, and service life is short etc.

The purpose of this utility model is for the user designs a kind of multiple functional electric kettle, the electric kettle that promptly have automatic outage, automatic heat preserving, pipes etc. automatically.

The utility model is realized above-mentioned purpose with following design.

From ring self-controlling electrothermal kettle, it comprises kettle, electrothermal tube, temperature controller, alarm and power line, it is characterized in that temperature controller is made up of the wiring board of heat build-up pipe, heat conduction cup, bimetal leaf, spring and contact-carrying; Heat build-up Guan Yiduan and electrothermal tube are affixed, and the heat build-up pipe other end passes Hu Bi and the interior end of heat conduction cup joins, and heat conduction cup outer bottom and bimetal leaf join, and bimetal leaf another side and spring are affixed, the wiring board Joint of spring end and contact-carrying.

The advantage of such scheme is that the key element of temperature controller is except that bimetal leaf, be subjected to electrothermal tube and water-in-kettle temperature to influence the heat build-up pipe of restriction jointly in addition, the heat of the poly-storage of heat build-up pipe is conducted heat conduction cup to bimetal leaf, bimetal leaf, heat build-up pipe and heat conduction cup are formed a high-sensitive temperature controller, it can be reacted when the water-in-kettle temperature changes fast, i.e. powered-down when conventional boiled water temperature, automatically connect with the mains when water temperature drops to certain limit and be incubated, during powered-down, warning circuit is connected, fundamentally stop the empty generation of burning of electric kettle, safe and reliable.

Fig. 1 is an overall schematic of the present utility model.

Fig. 2 is a temperature controller front portion profile.

Fig. 3 is that the A of Fig. 1 is to fragmentary cross-sectional view.

Fig. 4 is the power alarm state partial schematic diagram of temperature controller.

Fig. 5 is the bimetal leaf vertical view.

Fig. 6 is the energising heated condition partial schematic diagram of temperature controller.

Below in conjunction with accompanying drawing the structure of embodiment and the function of each several part are described.

This temperature controller is loaded on kettle body (4) sidewall and electrothermal tube (1) is in same plan-position, temperature controller (3) is by heat build-up pipe (14), heat conduction cup (7), bimetal leaf (10), the wiring board (15) of spring (8) and contact-carrying is formed as shown in Figure 3, electrothermal tube (1) conducts heat to hold and uses silver soldering (5) and heat build-up pipe (14) one ends affixed, the heat build-up pipe is oviduct (13), the loudspeaker osculum is aimed at electrothermal tube (1) shell center, heat build-up pipe (14) other end passes housing wall (4) and tightens up with heat conduction cup (7) opening socket, the interior end of heat conduction cup (7) is interior concave spherical surface, heat conduction cup (7) end another side is interior concave spherical surface (a 14) heat build-up pipe, adopt the slow alloy T4 that conducts heat, heat conduction cup (3) adopts the fast alloy T3 that conducts heat, and heat build-up pipe (14) and heat conduction cup (7) outer wall are the rectangle inner groovy so that conduct heat and heat radiation.Heat conduction cup (7) end outer rim and switch enclosure (9) end Joint, switch enclosure (9) is tightened up with Hu Bi (4) by snap ring (11), bimetal leaf (10) places switch enclosure (9) end, bimetal leaf (10) be equilateral triangle as shown in Figure 5,3 springs (8) are affixed with an Atria summit respectively, the other end of spring links to each other with wiring board (15) upper contact, and 220V power supply wiring and whistling device circuit line are arranged on the wiring board (15).As shown in Figure 2, electrothermal tube (1) binding post (22) links to each other with external power line (2) to power contact (17) by junction block (21).

The course of work of embodiment is described below in conjunction with accompanying drawing, if kettle is a cold water, the power supply access failure, the bimetal leaf (10) of temperature controller this moment (3) is subjected to heat build-up pipe (14) and the conduction of heat conduction cup (7) shell, low-temperature receiver is to bimetal leaf (10), this moment, bimetal leaf (10) three end points were in same plane, as shown in Figure 4, wiring board (15) intermediate contact (17) engages, connecting power supply alarming line contact group (16) disconnects, keep the power supply energising, electrothermal tube (1) heating, water is warming up to about 100 ℃, when water boils, heat build-up pipe (14) and heat pipe (7) inner chamber thermal source conduction bimetal leaf (10), bimetal leaf (10) modification as shown in Figure 6, triangle bimetal leaf two ends are that circular arc end points (19) spring is downward, contact sets (16) closure, another end points (20) rise spring, and intermediate contact group (17) disconnects, cut off the electricity supply, alarm link tester electric alarms based on pattern recognition (23) can be indicator lamp or whistling device, and behind the dump, water temperature descends gradually, when temperature makes bimetal leaf revert to original straightened condition, power contact (17) engages, and electrothermal tube (1) recovers heating, and so circulation constantly, if it is anhydrous in the kettle, bimetal leaf (10) is by heat build-up pipe (14) the conduction heat of heat conduction cup (7) and hollow, and speed is out of shape as quick as thought, cuts off the electricity supply, anti-kettle sky burns bad, guarantees safe in utilization.

Claims (5)

1, the self-controlling electrothermal kettle that rings certainly, it comprises kettle (4), electrothermal tube (1), temperature controller (3), warning and power line (2), it is characterized in that temperature controller (3) is made up of the wiring board (15) of heat build-up pipe (14) heat conduction cup (7), bimetal leaf, spring (8) and contact-carrying; Heat build-up pipe (14) one ends and electrothermal tube (1) are affixed, heat build-up pipe (14) other end passes Hu Bi (4) and joins with the interior end of heat conduction cup (7), heat conduction cup (7) outer bottom and bimetal leaf (10) join, bimetal leaf (10) another side and spring (8) are affixed, terminal and contact-carrying wiring board (15) Joint of spring (8).

2, according to claim 1 from ringing the self-controlling electrothermal kettle, it is characterized in that heat build-up pipe (14) is and the terminal joint of electrothermal tube (1) opening, to loudspeaker (13) the shape opening at the interior end of heat conduction cup (7).

3, according to claim 1 from ringing the self-controlling electrothermal kettle, it is characterized in that heat conduction cup (7) end is concave spherical surface (12) in two.

4, the self-controlling electrothermal kettle that rings certainly according to claim 1 is characterized in that bimetal leaf (10) is a triangle, and its three drift angles join with spring (8) respectively.

5, according to claim 1 or the 4 described self-controlling electrothermal kettles that ring certainly, it is characterized in that the terminal corresponding insulation board another side of spring (8) has 2 group alarm device contacts (19), other has one group of power contact (20).

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