CN204617911U

CN204617911U - A kind of Self-disconnecting ring sound insulating pot

Info

Publication number: CN204617911U
Application number: CN201520251413.7U
Authority: CN
Inventors: 余梦露; 邹细勇; 穆成银
Original assignee: China Jiliang University
Current assignee: China Jiliang University
Priority date: 2015-04-21
Filing date: 2015-04-21
Publication date: 2015-09-09
Anticipated expiration: 2025-04-21

Abstract

The utility model discloses a kind of Self-disconnecting ring sound insulating pot, comprise an auto-breaking control circuit, by wherein acoustic control module, sibilant rale is detected, also have the electronic timing module of an adjustable timing length to limit the heat time.When water is opened, kettle sends sibilant rale or timing then, and control circuit will cut off the connection of insulating pot and power supply.This dual auto-breaking protection scheme is that user provides the not boiled selection of water, and the anti-sealing of energy heats after opening repeatedly, ensure that water quality, and improves security and the operation ease of insulating pot.

Description

A kind of Self-disconnecting ring sound insulating pot

Technical field

The utility model belongs to field of electric heating, is specifically related to a kind of Self-disconnecting ring sound insulating pot.

Background technology

Ring sound kettle can produce a large amount of steam when water is boiled, and these high-pressure steams make its vibration sounding by the sibilant rale device on pot lid.At present, owing to can user be reminded in time to remove heating source, ring sound kettle be widely used in the life of the people, especially electrically heated insulating pot, because power taking is conveniently adopted in a large number.But what can not be ignored is, although common ring sound insulating pot is by sound prompting power-off, but may leaves due to user or not hear sibilant rale and do not remove deenergization, make kettle continue to heat up water, affect boiling water quality, cause dry combustion method after long-time even and cause electrical fire.

Utility model content

The utility model object be to provide a kind of can the ring sound insulating pot of auto-breaking, solve above technical problem.

The technical solution of the utility model is:

A kind of Self-disconnecting ring sound insulating pot, comprise circuit control box 1, pot lid 3, handle 4, kettle mouth 5, spike 6 and kettle body 2, described pot lid 3 there is sibilant rale device, it is characterized in that, control box 1 top is provided with electronic timer knob 8 and spring button 7, described control box 1 internal control circuit comprise time block 17, acoustic control module 18, with logic module 16, auxiliary relay module 15, main relay module 12, power electrode 11, spring button 7, heating module 13 and DC power supplier 14; Power electrode 11 is connected with DC power supplier 14 with heating module 13 through a pair normally opened contact of main relay module 12, and described normally opened contact is in parallel with spring button 7; A pair normally-closed contact of auxiliary relay module 15 is also in series with in the coil circuit of main relay module 12; The signal output part of time block 17 and acoustic control module 18 is all connected to the input with logic module 16.

Described a kind of Self-disconnecting ring sound insulating pot, it is characterized in that described time block 17 adopts electronic timing circuit and a resistance series circuit is contained in inside, in described resistance series circuit, the connection of resistance is controlled by the gear of electronic timer knob 8, and electronic timer knob 8 has 6 gears, after stirring gear, the corresponding timing length of time block 17 is respectively 5 minutes, 15 minutes, 18 minutes, 20 minutes, 25 minutes and 30 minutes.

Utility model works principle:

Because in ring sound insulating pot, the reed of sibilant rale device is certain, therefore no matter in kettle water number, after boiled, the tone of blowing a whistle is all identical.Based on this principle, the utility model ring sound insulating pot detects by an acoustic control module sibilant rale that the boiled rear kettle of water sends, and exports control signal, makes insulating pot power-off.In order in case sibilant rale device is mute when water is boiled due to reasons such as pot lid are not tight, in the control circuit of auto-breaking, also add timing logic, to make when acoustic control module cannot normally work insulating pot still can after the duration of setting auto-breaking.These two auto-breaking logics should be able to individually work, and therefore, have employed one and logic module in control circuit, and this module is the AND circuit structure of one 2 input 1 output.After adopting these two kinds of measures, the safety in utilization of insulating pot can be improved as far as possible.

In order to realize thoroughly being disconnected and not heating and cooling repeatedly from power supply by insulating pot, the utility model have employed relay circuit, comprises a main relay module and auxiliary relay module.Electrification circuit has then used self-lock mechanism, and user only needs to press spring button, and owing to main circuit will be made to keep being communicated with by closed a pair normally open contact after the energising of main relay module coil, therefore, after spring button is upspring, power supply will still keep normal power supply.

Timing measure adopts electronic timing circuit, and wherein electronic timer knob provides a timing length setting operation interface, deenergization after the duration that the utility model ring sound insulating pot can be set within the scope of 5 to 30 minutes.Wherein, the gear number of electronic timer knob and timing length can according to kettle capacity and electric thermal power Optimal Settings.

The utility model has the advantages that:

1, the utility model ring sound insulating pot auto-breaking when the sibilant rale after water is opened being detected, safety, convenient and can prevent from repeatedly heating, ensure that water quality;

2, the utility model ring sound insulating pot can after setting duration auto-breaking, provide the selection that water is not boiled, and provide the second heavy power-off protection.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further described:

Fig. 1 is contour structures schematic diagram of the present utility model;

Fig. 2 is the structural representation at the utility model control box top;

Fig. 3 is the composition structural representation of the utility model control circuit;

Fig. 4 is the resistance string structure schematic diagram of the utility model time block;

Detailed description of the invention

As shown in Figure 1, construction profile of the present utility model and common ring sound insulating pot similar, comprise pot lid 3, handle 4, kettle mouth 5, spike 6 and kettle body 2, wherein pot lid 3 have sibilant rale device; But electric source connecting box is changed into circuit control box 1, wherein, control box 1 inside is containing control circuit.Simultaneously see Fig. 2, control box 1 top is provided with electronic timer knob 8 and spring button 7.

See Fig. 3, power electrode 11 is connected with DC power supplier 14 with heating module 13 through a pair normally opened contact of main relay module 12, described normally opened contact is in parallel with spring button 7, and wherein, DC voltage module 14 is that other circuit components except heating module are powered.When using the utility model, water is injected in kettle body, connect AC power, then spring button 7 is pressed, DC power supplier 14 starts to main relay module 12 coil power supply, its normally opened contact closes, and makes when spring button is upspring, and power electrode 11 is communicated with DC power supplier 14 with heating module 13 by normally opened contact closed described in a pair.

A pair normally-closed contact of auxiliary relay module 15 is also in series with in the coil circuit of main relay module 12.Heat up water after starting, time block 17 timing cycle to or the boiled rear acoustic control module 18 of water detect set the sibilant rale of tone time, they all will export a low level signal respectively.The signal output part of these two modules is connected with an input with logic module 16, be wherein the structure that 2 inputs 1 export with the logic circuit of logic module 16, this output signal drives the coil of auxiliary relay module 15 through a PNP type triode amplifying circuit.When the output signal with logic module 16 is low level, the coil of auxiliary relay module 15 obtains electric, thus its normally-closed contact is disconnected, and then make the coil losing electricity of main relay module 12, its normally opened contact disconnects, finally make the power supply that power electrode 11 stops to heating module 13 and DC power supplier 14, prevent boiling water from repeatedly heating and dryouting, guarantee drinking water safety and prevent electrical fire.

Time block can realize with 555 circuit, and acoustic control module can realize with LM567 frequency selection circuit.

See Fig. 2 and Fig. 4, the timing parameters of the utility model time block is set by the resistance value in 555 circuit and capacitance, and wherein, resistance value is determined by the annexation of a resistance string.Electronic timer knob 8 has 6 gears in Fig. 2, the respectively connection of KC2 and K1 to K6 in corresponding diagram 4, as when electronic timer knob pushes 3 grades, KC2 and K3 contacts, then now the resistance value of resistance string is R1+R2+R3 in timing circuit.The resistance of selected R1 to R6, makes its corresponding timing length be respectively 5 minutes, 15 minutes, 18 minutes, 20 minutes, 25 minutes and 30 minutes.

The foregoing is only preferred embodiment of the present utility model, is illustrative instead of determinate to the detailed description of this ring sound kettle, therefore in the change do not departed under the utility model general plotting and amendment, should belong to protection domain of the present utility model.

Claims

1. a Self-disconnecting ring sound insulating pot, comprise circuit control box (1), pot lid (3), handle (4), Hu Zui (5), spike (6) and kettle body (2), (3) have sibilant rale device to described pot lid, control box (1) top is provided with electronic timer knob (8) and a kind of Self-disconnecting ring of spring button (7) sound insulating pot, it is characterized in that described control box (1) internal control circuit comprises time block (17), acoustic control module (18), with logic module (16), auxiliary relay module (15), main relay module (12), power electrode (11), spring button (7), heating module (13) and DC power supplier (14), power electrode (11) is connected with DC power supplier (14) with heating module (13) through a pair normally opened contact of main relay module (12), and described normally opened contact is in parallel with spring button (7), a pair normally-closed contact of auxiliary relay module (15) is also in series with in the coil circuit of main relay module (12), the signal output part of time block (17) and acoustic control module (18) is all connected to the input with logic module (16).

2. a kind of Self-disconnecting ring sound insulating pot according to claim 1, it is characterized in that described time block (17) adopts electronic timing circuit and a resistance series circuit is contained in inside, in described resistance series circuit, the connection of resistance is controlled by the gear of electronic timer knob (8), and electronic timer knob (8) has 6 gears, after stirring gear, time block (17) corresponding timing length is respectively 5 minutes, 15 minutes, 18 minutes, 20 minutes, 25 minutes and 30 minutes.