CN203204798U

CN203204798U - Multipurpose alarm controller in kitchen

Info

Publication number: CN203204798U
Application number: CN 201320205041
Authority: CN
Inventors: 程平
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-04-22
Filing date: 2013-04-22
Publication date: 2013-09-18
Anticipated expiration: 2023-04-22

Abstract

The utility model relates to a multipurpose alarm controller in a kitchen, and the controller comprises a gas alarm device, a timing monitoring device, a gas supply switching circuit, and a power supply device. The gas alarm device comprises a gas-sensitive detection circuit with a plurality of gas-sensitive elements, a voltage delay circuit, an operation display circuit, an alarm sound circuit, and a control execution circuit for gas alarm. The timing monitoring device comprises a timing integrated circuit, a timing signal processing circuit, and a timing loudspeaker. The gas supply switching circuit comprises a trigger and a relay. The power supply device is provided with a plurality of power supply interfaces for external electrical appliances. The utility model has a capability of alarming gas leak and cutting off gas supply at the same time and realizing functions of alarming in a timed manner, cutting off gas supply synchronously, supplying power for household appliances and the like. The controller also has a capability of being used cooperatively with a common gas meter and the method of connection and control is easy, and a capability of being used as a novel multifunctional household electrical appliance in a kitchen.

Description

Alarm controller is used in the kitchen more

Technical field

The utility model relates to a kind of kitchen appliance, and alarm controller is used in especially a kind of kitchen more.

Background technology

Combustion gas use and citizen live closely bound up, and the safety practice of using about combustion gas more and more causes social concerns.At present, the watch-dog that the family kitchen that occurs on the market uses, kind is single, function is simple, generally only have the combustible gas warning function, perhaps only have the timing alarm function, if they have the combustion gas of cut-out and some other utility function again, not door leaf of inconvenience and price then is installed especially, has limited promoting the use of of these supervising devices.

The utility model content

Single in order to overcome kitchen watch-dog kind, function is simply not enough, and the utility model provides a kind of to have combustible gas leakage warning and cut off combustion gas simultaneously; Realize regularly reminding cutting off combustion gas simultaneously and providing the kitchen of functions such as various AC-to-DC power supplys to use alarm controller to household electrical appliance more.

The technical solution adopted in the utility model is:

Alarm controller is used in a kind of kitchen more, comprise gas alarm device, timing supervising device, combustion gas folding circuit and supply unit, described gas alarm device, timing supervising device are connected with combustion gas folding circuit respectively, described gas alarm device comprises air-sensitive detection circuit with several gas sensors, voltage delay circuit, work display circuit, circuit and the gas alarm control executive circuit of speaking of reporting to the police, and described air-sensitive detection circuit, voltage delay circuit, work display circuit, the circuit of speaking of reporting to the police are connected with gas alarm control executive circuit respectively; Described timing supervising device comprises timing ic, timing signal treatment circuit and timing loudspeaker; Described combustion gas folding circuit comprises trigger and relay; Described supply unit comprises several transformers and corresponding current rectifying and wave filtering circuit, mu balanced circuit, for the internal system circuit provides power supply.

Further, described supply unit is provided with several power interfaces that uses for outside electrical equipment.

Further, report to the police in the described gas alarm device circuit of speaking comprises warning Music Clip, alerting signal amplifying circuit, piezoelectric buzzer and resonant circuit.

The utility model is by the inflammable gas in the air-sensitive detection circuit detection surrounding environment, the signal that detects is sent to gas alarm control executive circuit, thereby drive to report to the police the circuit sound that gives the alarm of speaking, export the fuel gas shutoff signal simultaneously to combustion gas folding circuit, realize that combustion gas closes.Regularly supervising device produces timing controling signal driving timing loudspeaker and speaks by timing is set, and control combustion gas folding circuit is closed combustion gas.Supply unit not only can change into civil power the voltage to the internal circuit power supply in the utility model, and power supply output can also be provided simultaneously, offers outside household electrical appliance and uses.

The beneficial effects of the utility model are: can cut off combustion gas when combustible gas is revealed warning, avoid the generation of potential safety hazard; Realize that accurate timing shows and prompting, the time one is to disconnecting combustion gas, handled easily; After the cut-out combustion gas of reporting to the police, can open combustion gas by a key, and provide various AC and DC power supplys to use to other household electrical appliance, the utility model is simple in structure, easy to use, cost is lower, both can be used with common general gas table, connection and control method are simple, and the Multifunction electrical equipment that also can be used as household kitchen uses separately.

Description of drawings

Fig. 1 is monnolithic case structural drawing of the present utility model;

Fig. 2 is the internal circuit configuration figure of gas alarm device in the utility model;

Fig. 3 is the regularly internal circuit configuration figure of supervising device of the utility model;

Fig. 4 is the internal circuit configuration figure of the utility model supply unit.

Embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

In Fig. 1: the 1st, combustible gas is surveyed mouth, protrudes from the outer little perforates of panel by a lot of and forms.The 2nd, the pilot lamp of energy operate as normal after the time-delay of combustible gas alarm, the 3rd, the control signal output socket of folding combustion gas, the 4th, the pilot lamp of burnt gas switch folding situation, the 5th, the burnt gas switch button, the 6th, total power switch, the 7th, exchange 220 volts of accessory power outlets, the 8th, hour adjustment button, the 9th, minute adjustment button, the 10th, timer begins and stop button, and the 11st, minute demonstration, the 12nd, hour demonstration, the 13rd, direct current 3-9 lies prostrate accessory power outlet, the 14th, plastic casing.Base is laid the general supply part, and other all circuit parts are laid in the behind of panel, and both connect with wire socket, in order to install and later maintenance.

In Fig. 2, QM is the combustible gas gas-sensing probe, and model is the QM type, c, d termination exchange 6 volts of power supplys, in order to heating, the b end imposes DC voltage, and whether a end is to have the variation of voltage to have combustion gas to reveal in order to perception, yy-ic is the Music Clip that has alarm sound, Q1 is 9014 type triodes, and Q2 is A1015 type triode, and L1, L2, L3 are the resonant inductance around together, D1, D2 are the dual color light emitting diode of an one tripod, and D3 is 1.5 watts, 5.1 volts zener diode; IC1 is the independently Sheffer stroke gate of four two inputs, and model is CD4011BD.B, C4 forms current rectifying and wave filtering circuit, will exchange 12V and become the 12V DC voltage, supplies with each several part and uses, and R4, D5, C1 form the 5.1V mu balanced circuit and use for IC1, and R10, C6 form the voltage delay circuit, in order to avoid report by mistake during start.D1, D2, R1, R2 are the work display circuit of time-delay and operate as normal variable color pilot lamp.QM, R5, A pin, B pin are formed the air-sensitive detection circuit, reveal when acquiring a certain degree as combustible gas, and a pin of QM has change in voltage, for 12 pin of IC1 provide 0 or 1 level.C2 is its filtering in case report C2, R7 by mistake, R8 forms the voltage filter regulating circuit, and it adjusts the sensitivity of the alarm voltage of QM, and the 12 pin level of just adjusting IC1 are 0 level when not having leakage, at this moment 10 pin of IC1 are output as 0 level, and yy-ic does not work.Yy-ic is the warning Music Clip, and yy-ic self connects into total triggering state [namely powering up the form of just ringing], and it has only small alerting signal.C3, R12, R13, Q1, Q2 forms the signal that the alerting signal amplifying circuit amplifies yy-ic, and Q1, Q2 are connected into compound amplification form and improve enlargement factor.Y2 is piezoelectric buzzer, it and L1, and L2, L3 forms the LC resonant circuit, further amplifies the sound of Y2.IC1 provide four independently Sheffer stroke gate use in order to finish the entire circuit function.Its ultimate principle is: the start time-delay is in case wrong report, 12 pin of voltage signal to IC1 are surveyed and are provided in combustion gas, if 12 pin became 1 level when leakage was arranged, at this moment behind 1 level and its acting in conjunction of 13 pin, making 11 pin is 0 level, and then makes 10 pin of IC1 export 1 level, and it turn-offs combustion gas for the trigger of Fig. 3 as control signal K1, also for yy-ic provides operating voltage, after amplifying, send chimes of doom simultaneously.

In Fig. 3, IC2 is the timing alarm chip, and Y1 is crystal oscillator, is used to the CPU in the IC2 that clock is provided.20 4 LCDs for band clock flicker hour have two, minute have two, but independent regulation all.S1 is a hour adjusting button, and S2 is a minute adjusting button, and S3 is the beginning stop button, and S4 is burnt gas switch button after the alarm release.Other all is the ordinary electronic electric elements.The timing ic that IC2 sells for existing finished product, model is PS-305, and internal circuit is to finish every functional integrated circuit by CPU control, and it mainly contains following function; Hour and minute the timing setting and show output, behind the setting-up time by 5 pin output alerting signal.24 for being used for the timing loudspeaker of timing alarm, the timing signal treatment circuit that amplifier 21, comparer 22, amplifier 23 are established for the sound different with gas alarm is provided.S4, trigger 25, the combustion gas folding circuit that relay 26 is established for the control combustion gas switching of each several part warning back, D1 establishes for the control signal phase mutual interference of isolating two functional circuits, and D2 establishes for the folding condition that shows burnt gas switch.

In Fig. 4, T1, T2 are the transformers of two different voltages of output and power, be 1.5W, wherein T1 provides 6V respectively, 0.75W and 12V, 0.75W two groups of AC power, T2 provides 12V, the AC power of 1.5W, B2, C2, C4 and B3, C3, C5 are current rectifying and wave filtering circuit separately, IC3, R2, R4, D2 and IC4, R3, R5, D3 all form mu balanced circuit separately, they all are the adjustable type mu balanced circuits, IC3, and IC4 is LM317, D2, D3 is 1N41003, and C6, C7 are voltage stabilizing output filter capacitor separately, each voltage offers label identical each device and circuit, here W provides to outside electrical equipment and uses, such as the water heater with battery, smoke alarm etc.

The utility model each several part function works alone, is independent of each other, and simple installation, the monitoring alarm functional reliability is strong, and is easy to utilize.

Claims

1. alarm controller is used in a kitchen more, it is characterized in that: comprise the gas alarm device, the timing supervising device, combustion gas folding circuit and supply unit, described gas alarm device, regularly supervising device is connected with combustion gas folding circuit respectively, described gas alarm device comprises the air-sensitive detection circuit with gas sensor, the voltage delay circuit, the work display circuit, warning circuit and the gas alarm control executive circuit of speaking, described air-sensitive detection circuit, the voltage delay circuit, the work display circuit, the warning circuit of speaking is connected with gas alarm control executive circuit respectively; Described timing supervising device comprises timing ic, timing signal treatment circuit and timing loudspeaker; Described combustion gas folding circuit comprises trigger and relay; Described supply unit comprises several transformers and corresponding current rectifying and wave filtering circuit, mu balanced circuit, for the internal system circuit provides power supply.

2. alarm controller is used in kitchen according to claim 1 more, it is characterized in that: described supply unit is provided with several power interfaces that uses for outside electrical equipment.

3. alarm controller is used in kitchen according to claim 1 and 2 more, it is characterized in that: the circuit of speaking of reporting to the police in the described gas alarm device comprises warning Music Clip, alerting signal amplifying circuit, piezoelectric buzzer and resonant circuit.