CN2524138Y

CN2524138Y - Self-cleaner for cooker hood

Info

Publication number: CN2524138Y
Application number: CN 02225277
Authority: CN
Inventors: 蔡琼瑶
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-01-18
Filing date: 2002-01-18
Publication date: 2002-12-04
Anticipated expiration: 2012-01-18

Abstract

The utility model relates to a self-cleaner for cooker hood and relates to the household device technical field. The technical proposals are that: a power supply circuit is simultaneously connected to two electric pumps, a power supply sensing circuit and a formula circuit which is connected to a controlling circuit, the controlling circuit is connected with the two electric pumps. The utility model can clew the users to press a switch and proceed the automatic cleaning after the utility model is running for a certain times and sound noise to inform the users when the cleaning is fulfilled.

Description

The smoke exhaust automatic cleaning apparatus

Technical field:

The utility model relates to household electrical appliance technical field, refers in particular to a kind of smoke exhaust of can not need removing and can make effectively to clean the automatic cleaning apparatus of function and cleaning thereby the maintenance smoke exhaust is discharged fume normally automatically to smoke exhaust wind chamber perisporium and fan blade.

Background technology:

Smoke exhaust is widely used in places such as kitchen, in order to smoke evacuation; After it uses a period of time, can accumulate grease in the perisporium of wind chamber and on the fan blade, as not cleaned, can influence the running speed of fan blade, cause the miopragia of discharging fume, can't discharge fume effectively; Cause the user to suck oil smoke, influence that it is healthy.

Summary of the invention:

The purpose of this utility model is to provide a kind of can make the smoke exhaust automatic cleaning apparatus of cleaning effectively to smoke exhaust in automation ground.

Number when another purpose of the present utility model is to provide a kind of can the setting, when its running service time accumulative total reaches when counting when setting, can bright lamp, the smoke exhaust automatic cleaning apparatus that cleans is used in prompting.

The purpose of this utility model can be sent the smoke exhaust automatic cleaning apparatus that the sound is informed the user after also being to provide a kind of cleaning to finish.

The utility model is achieved by the following technical solution: include circuit for detecting and control circuit in the circuit of control automatic cleaning apparatus;

In circuit for detecting, the input power supply is diode D1, the D2 of dc source through over commutation, then, links to each other with light emitting diode D4 through a current-limiting resistance R; D4 parallel connection one prevents the protection diode D3 that its backward current passes through, and appropriate location is provided with one, and can to detect behind the light of D4 be conducting and produce the Q1 that a positive voltage makes the formula circuit operation;

In control circuit, AC power IP1 connects a power transformer T1 after through a fuse F1 and a starting switch SW1, and the output of power transformer T1 connects rectifier D1 input; Rectifier D1 is input to IC2 through behind the IC1 of further stabilized power source, is overlapped with filter capacitor C1, C2 at the IC1 two ends; IC2 is the IC that stylizes of the setting control section of a control entire circuit; X1 oscillator on the IC2 is the oscillating part of IC2 inside, and the output of its output pin 14,15 pin connects QI, Q2 two bidirectional trigger diodes, and bidirectional trigger diode QI, Q2 are connected between motor M1, M2 and the power supply; The

output pin

12,13 of IC2 is connected to Q3, Q4 via a current-limiting resistance R1, R2 respectively, Q3 and Q4 are constituted by a darlington amplifying circuit that is combined into by two groups of NPN triodes, Q3, Q4 link to each other with motor M3, M4 respectively, other respectively capacitor C 3, the C4 of being connected to of motor M3, M4; And the output pin 10 of IC2 is connected a LED 1 with 11, the indirect buzzer BZ1 of 8,9 pin of IC2.

The utility model is provided with the container of difference splendid attire clear water and cleaning agent in body, control by circuit, the user can utilize electrodynamic pump automatically earlier cleaning agent to be sprayed onto wind chamber internal perisporium, after treating that itself and grease produce the chemical breakdown reaction, clear water is sprayed onto in the wind chamber again, discharge after the centrifugal force that is produced when utilizing the fan blade running makes clear water wash this cleaning agent and grease, can automation ground be done to clean effectively by smoke exhaust fully.

In addition, can calculate the cumulative time of smoke exhaust running, when counting when accumulative total reaches setting its service time of turning round, can show by bright lamp that the prompting use is cleaned by the circuit part setting; After cleaning finishes, can send the sound and inform the user.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is further specified:

Accompanying drawing 1 is the utility model stereogram;

Accompanying drawing 2 is looked cutaway view for the utility model master;

Accompanying drawing 3 is the utility model circuit part block diagram;

Accompanying drawing 4 is the utility model power sensor detecting circuit figure;

Accompanying drawing 5 is the utility model control circuit figure.

The specific embodiment:

See accompanying

drawing

1,2, the utility model is provided with wind chamber 2 in body 1, is provided with the fan 11 by motor M1, M2 control running in this wind chamber 2; Appropriate location in this external body 1 is provided with a container 3, and this container 3 is separated out a clear water splendid attire district 31 and a cleaning agent splendid attire district 32 by a dividing plate; Be respectively equipped with a clear water output 311 and cleaning agent outlet 321 in clear water splendid attire district 31 and cleaning agent splendid attire district 32, and this two outlet is connected to pipeline respectively and extends in the wind chamber 2, be provided with nozzle at the end of pipeline; In clear water splendid attire district 31 and cleaning agent splendid attire district 32, be respectively equipped with electrodynamic pump 310,320; Electrodynamic pump 310,320 can be respectively carried by clear water output 311 and cleaning agent outlet 321 clear water and cleaning agent and is sprayed by nozzle through pipelines; Clear water splendid attire district 31 and cleaning agent splendid attire district 32 are respectively equipped with the clear water inlet 312 and a cleaning agent inlet 322 that can expose outside the body 1, and on body 1, be provided with a cover plate, this two inlet can be covered and avoid extraneous dust to enter, and can replenish clear water and cleaning agent at any time; Be provided with the switch 12 that a control electrodynamic pump 310,320 whether turn round at the front end of body 1, thereby and finish and fan accumulative total service hours are made the indicator lamp 13 of reminding or warning in order to show to clean; Utilize default circuit design, when opening switch 12, control electrodynamic pump 320,310 respectively in regular turn, in regular turn cleaning agent is sprayed onto on the wind chamber perisporium and fan 11 blades that speckles with greasy dirt, through the regular hour, after wait cleaning agent and the reaction of greasy dirt generation chemical breakdown; Take out by clear water electrodynamic pump 310 again and draw the ejection clear water; Simultaneously, by the centrifugal action that blade rotation produced of smoke exhaust fan 11, strong flushing wind chamber 2 perisporiums and fan 11 blades make the greasy dirt that is produced be discharged and be fallen within the catchment cup 4 by outlet 21 again; And set circuit can be set and calculate the cumulative time that the smoke exhaust running is used, when counting when accumulative total reaches setting its service time of turning round, promptly can brightly wait demonstration, clean in the most effective time to remind the user, behind to be cleaned the finishing, can send the sound and inform and use one to finish cleaning.

See accompanying drawing 3, power circuit is connected to two electrodynamic pumps, a power sensor detecting circuit and a formula circuit simultaneously, and this formula circuit is connected to control circuit, and control circuit then connects two electrodynamic pumps.

See accompanying drawing 4; in the power sensor detecting circuit; after the power supply input; through diode D1, D2 rectification is dc source, then, gives current limliting through a current-limiting resistance R; be supplied to light emitting diode D4; D3 is the protection diode that D4 prevents backward current, and detecting as Q1 behind the light of D4 is conducting and produce a positive voltage, makes the formula circuit operation.

Shown in accompanying drawing 5, in the control circuit of the utility model circuit part, IP1 is an AC power, through connecting a power transformer T1 behind a fuse F1 and the starting switch SW1, through obtaining a voltage dropping power supply behind the power transformer T1, giving rectification through rectifier D1 again is dc source, this power supply is input to IC1 through after further stablizing, be overlapped with filter capacitor C1, C2 at the IC1 two ends, filter the interchange noise in the power supply, then be input to IC2, IC2 is the IC that stylizes, and the setting control section of entire circuit is controlled by it; X1 oscillator on the IC2 is the oscillating part of IC2 inside, its output pin 14, the output control QI of 15 pin, Q2 two bidirectional trigger diodes, and then control M1, whether the M2 motor moves, and the output pin 12 of IC2,13 are connected to Q3 via a current-limiting resistance, Q4, Q3 and Q4 are constituted by a darlington amplifying circuit that is combined into by two groups of NPN triodes, and then control motor M3, M4, the capacitor C 3 that the side connects, C4 is a motor noise filter capacitor, the spark noise that is produced with the filtering motor running, in order to avoid cause the electric capacity instability, and then burn Q3, Q4, and the output pin 10 of IC2 is connected a LED 1 with 11, by the duty of its indication entire circuit; When circuit working, LED1 is an illuminating state, and during end-of-job, LED1 is for extinguishing state, the indirect buzzer BZ1 of 8,9 pin of IC2, and when circuit working finishes, IC2 will start BZ1 work, make it produce a warning tones.

When using the utility model, indicator lamp 13 flashes when reaching predetermined value the service time of calculating fan 11 even set, and uses at optimal time cleaning smoke exhaust, in order to avoid overstock dirt easy cleaning too much and not to remind; At this moment, the user can press switch 12 to start cleaning device; When starting device of the present utility model with the cleaning smoke exhaust, be set at i.e. outage after fan 11 continues operation appropriate time (about 2 seconds), in outage, electrodynamic pump 320 promptly starts appropriate time (about 5 seconds) cleaning agent being imported wind chamber 2, and cleaning agent is attracted as wind chamber 2 interior being sprayed in the wind chamber 2 by the suction that rotatory inertia produced after fan 11 outages; After this, the powerful attraction that is produced during by fan 11 rotations attracts clear water to be sprayed on wind chamber 2 internal faces in the inlet air chamber 2, so that the grease that cleaning agent was dissolved is removed.

Claims

1, smoke exhaust automatic cleaning apparatus is provided with wind chamber (2) in body (1), and is provided with a container (3) at its appropriate location, and this container (3) is separated out a clear water splendid attire district (31) and a cleaning agent splendid attire district (32) by a dividing plate; Be respectively equipped with a clear water output (311) and cleaning agent outlet (321) in clear water splendid attire district (31) and cleaning agent splendid attire district (32), and this two outlet is connected to pipeline respectively and extends in the wind chamber (2), be provided with nozzle at the end of pipeline; In clear water splendid attire district (31) and cleaning agent splendid attire district (32), be respectively equipped with electrodynamic pump (310), (320); It is characterized in that: include circuit for detecting and control circuit in the circuit of control automatic cleaning apparatus;

In control circuit, AC power IP1 connects a power transformer T1 after through a fuse F1 and a starting switch SW1, and the output of power transformer T1 connects rectifier D1 input; Rectifier D1 is input to IC2 through behind the IC1 of further stabilized power source, is overlapped with filter capacitor C1, C2 at the IC1 two ends; IC2 is the IC that stylizes of the setting control section of a control entire circuit; X1 oscillator on the IC2 is the oscillating part of IC2 inside, and the output of its output pin 14,15 pin connects QI, Q2 two bidirectional trigger diodes, and bidirectional trigger diode QI, Q2 are connected between motor M1, M2 and the power supply; The output pin 12,13 of C2 is connected to Q3, Q4 via a current-limiting resistance R1, R2 respectively, Q3 and Q4 are constituted by a darlington amplifying circuit that is combined into by two groups of NPN triodes, Q3, Q4 link to each other with motor M3, M4 respectively, other respectively capacitor C 3, the C4 of being connected to of motor M3, M4; And the output pin 10 of IC2 is connected a LED 1 with 11, the indirect buzzer BZ1 of 8,9 pin of IC2.