CN207831455U - A kind of intelligent machine formula cooking fume control equipment - Google Patents

Abstract

The utility model discloses a kind of intelligent machine formula cooking fume control equipments, including：The motor control connection of smoke sensor device and oil fume purifier, smoke sensor device and oil fume purifier, further includes circuit for controlling motor, the circuit for controlling motor includes：Motor, the second NPN triode, the 5th resistance, NMOS tube, the 6th resistance, the second diode, third NPN triode, the 7th resistance, the 8th resistance, analog-digital converter, smoke sensor device；By the generation for detecting smog of smoke sensor device energy rapid sensitive, realize that real time monitoring to driving motor, reaches the intelligentized purpose of cooking fume control equipment, monitoring efficiency is high；By the way that delay circuit is arranged, the moment false triggering caused by motor that is powered is avoided, the accuracy of circuit for controlling motor is improved, protects motor；The circuit structure is simple, and work is sensitive, and control effect is good, realizes that furniture is intelligent, improves people's residence comfort.

Description

A kind of intelligent machine formula cooking fume control equipment

Technical field

The utility model belongs to field of lampblack purification, and in particular to a kind of intelligent machine formula cooking fume control equipment.

Background technology

The pernicious gases such as the oxide of CO2, CO, S and N and the production of food cooking process are generated in gas stove combustion process The raw oil smoke containing a variety of noxious materials, is one of important sources of room air pollution, and excessive sucking can influence health of people. Therefore, it is mainly handled using mechanical cooking fume control equipment or exhaust fan now for the oil smoke in kitchen, mechanical oil smoke Cleaning equipment efficiently cuts oil in air inlet, and fire safety is readily cleaned and safeguards.

The mechanical cooking fume control equipment of the prior art only has switch control functions, can not monitor smog automatically to reach To the purpose of Intelligent purifying, far can not meet the needs of market controls high-quality to cooking fume control equipment, therefore, develop one Kind intelligent machine formula cooking fume control equipment is necessary.

Utility model content

To overcome existing mechanical cooking fume control equipment there are the low technological deficiency of intelligence degree, the utility model is public A kind of intelligent machine formula cooking fume control equipment is opened.

Technical solution adopted by the utility model to solve its technical problems is a kind of intelligent machine formula cooking fume control equipment, Including：The motor control connection of smoke sensor device and oil fume purifier, smoke sensor device and oil fume purifier, further includes motor control Circuit processed, the circuit for controlling motor include：Motor, the second NPN triode, the 5th resistance, NMOS tube, the 6th resistance, second Diode, third NPN triode, the 7th resistance, the 8th resistance, analog-digital converter, smoke sensor device；

The output end of the motor connects DC output end, and the input terminal of motor connects the current collection of the second NPN triode Pole, the emitter ground connection of the second NPN triode, the source electrode of the base stage connection NMOS tube of the second NPN triode, the source electrode of NMOS tube By the 6th resistance eutral grounding, the drain electrode of NMOS tube connects DC output end by the 5th resistance, the grid connection of NMOS tube the The cathode of two diodes, the emitter of the anode connection third NPN triode of the second diode, the transmitting of third NPN triode Pole connects DC output end, the base stage of third NPN triode by the 7th resistance eutral grounding, the collector of third NPN triode The 8th resistance in parallel between emitter, third NPN transistor base connect the output end of analog-digital converter, analog-digital converter Input terminal connects the signal output end of smoke sensor device, the input end grounding of smoke sensor device.

Further, it is also associated with the 9th resistance between the cathode and ground of second diode.

The smoke sensor device is sticked in the inside of the exhaust fume collecting hood of cooking fume control equipment.

The circuit for controlling motor is also associated with rectification circuit, and the rectification circuit includes：First resistor, second resistance, First capacitance, the first diode；First resistor and second resistance, first resistor are connected in series between ac power input end and ground The first end of the first capacitance, the second end ground connection of the first capacitance, the first end of the first capacitance are connect with the common end of second resistance It is also connected with the anode of the first diode, the cathode of the first diode is DC output end.

Delay circuit is also associated between the circuit for controlling motor and rectification circuit, the delay circuit includes：Third Resistance, the second capacitance, phase inverter, the first NPN triode；The second electricity is connected between the cathode and ground of first diode Hold, second capacitance both ends parallel connection 3rd resistor, the input terminal of the first end connection phase inverter of the second capacitance, the electricity of phase inverter Source connects DC output end, and the output end of phase inverter connects the base stage of the first NPN triode, the hair of the first NPN triode Emitter grounding, the collector of the first NPN triode connect the base stage of the second NPN triode.

Further, it is also associated with the 4th resistance between the first end and DC output end of second capacitance.

The utility model has the beneficial effects that：It is real by the generation for detecting smog of smoke sensor device energy rapid sensitive Now real time monitoring reaches the intelligentized purpose of cooking fume control equipment to driving motor, and monitoring efficiency is high；By the way that delay electricity is arranged Road avoids the moment false triggering caused by motor that is powered, and improves the accuracy of circuit for controlling motor, protects motor；The circuit Simple in structure, work is sensitive, and control effect is good, realizes that furniture is intelligent, improves people's residence comfort.

Description of the drawings

Fig. 1 is a kind of circuit theory of the circuit for controlling motor of intelligent machine formula cooking fume control equipment of the utility model Figure.

Reference numeral：AC- AC powers, R1- first resistors, R2- second resistances, the first capacitances of C1-, the one or two poles D1- Pipe, R3- 3rd resistors, the second capacitances of C2-, the 4th resistance of R4-, U- phase inverters, the first NPN triodes of T1-, M-motor, T2- Second NPN triode, the 5th resistance of R5-, N1- NMOS tubes, the 6th resistance of R6-, the 9th resistance of R9-, the second diodes of D2-, T3- third NPN triodes, the 7th resistance of R7-, the 8th resistance of R8-, ADC-analog-digital converter, RM-smoke sensor device.

Specific implementation mode

More detailed description is done to the embodiment of the utility model below in conjunction with attached drawing and reference numeral, makes to be familiar with ability The technology people in domain can implement according to this after studying this specification carefully.It should be appreciated that specific embodiment described herein is only solving The utility model is released, is not used to limit the utility model.

A kind of intelligent machine formula cooking fume control equipment, including：Smoke sensor device RM and oil fume purifier, smoke sensor device RM Connection is controlled with the motor of oil fume purifier, further includes circuit for controlling motor, the circuit for controlling motor includes：Motor M, second NPN triode T2, the 5th resistance R5, NMOS tube N1, the 6th resistance R6, the second diode D2, third NPN triode T3, the 7th Resistance R7, the 8th resistance R8, analog-digital converter ADC, smoke sensor device RM；

The output end of the motor M connects DC output end, and the input terminal of motor M connects the second NPN triode T2's Collector, the emitter ground connection of the second NPN triode T2, the source electrode of the base stage connection NMOS tube N1 of the second NPN triode T2, The source electrode of NMOS tube N1 passes through the 5th resistance R5 connection direct current electricity outputs by the 6th resistance R6 ground connection, the drain electrode of NMOS tube N1 End, the grid of NMOS tube N1 connect the cathode of the second diode D2, the anode connection third NPN triode T3 of the second diode D2 Emitter, the emitter of third NPN triode T3 passes through the 7th resistance R7 ground connection, and the collector of third NPN triode T3 connects Connect DC output end, the 8th resistance R8 in parallel between the base stage and emitter of third NPN triode T3, third NPN triode T3 base stages connect the output end of analog-digital converter ADC, and the signal of the input terminal connection smoke sensor device RM of analog-digital converter ADC is defeated Outlet, the input end grounding of smoke sensor device RM；Specifically, the smoke sensor device RM detects the collection cigarette of cooking fume control equipment Have in cover smog by when, the resistance of smoke sensor device RM becomes larger, at this time output HIGH voltage signal, and high voltage signal passes through modulus The analog signal of high voltage is converted to the digital signal of high level by converter ADC, and third NPN triode T3 receives high electricity at this time The grid of flat signal conduction, NMOS tube N1 receives high level conducting, and the second NPN triode T2 receives high level conducting, electric at this time Machine M operatings, cooking fume control equipment are started to work, wherein the 5th resistance R5, the 6th resistance R6, the 7th resistance R7 and the 8th resistance R8 is current-limiting resistance, for protecting circuit, stabilizing circuit operating point；Conversely, if smoke sensor device RM does not detect smog, It is low voltage signal at this time, low voltage signal is converted to low level signal, third NPN triode T3 by analog-digital converter ADC Low level signal cut-off is received, NMOS tube N1 and the second NPN triode T2 are also cut-off state, and motor is inoperative, and oil smoke is net Change equipment not work.

It is also associated with the 9th resistance R9 between the cathode and ground of the second diode D2；9th resistance is drop-down electricity Resistance improves the turn-on rate of NMOS tube N1, improves the reaction speed of circuit for controlling motor.

The smoke sensor device RM is sticked in the inside of the exhaust fume collecting hood of cooking fume control equipment；The smoke sensor device RM can spirit Quick to have detected whether smog, reaction speed is fast, realizes the opening and closing of the monitoring to smog and real-time control motor M.

The circuit for controlling motor is also associated with rectification circuit, and the rectification circuit includes：First resistor R1, second resistance R2, the first capacitance C1, the first diode D1；First resistor R1 and second resistance are connected in series between ac power input end and ground R2, first resistor R1 connect the first end of the first capacitance C1, the second termination of the first capacitance C1 with the common end of second resistance R2 Ground, the first end of the first capacitance C1 are also connected with the anode of the first diode D1, and the cathode of the first diode D1 is direct current electricity output End；The rectification circuit is used to AC power being converted to DC power supply, wherein first resistor R1 and second resistance R2 differential pressure drops The DC level of low output is used for devices such as the lower triode of rated supply voltage, resistance and diodes；First capacitance C1 The voltage after a relatively stable partial pressure is provided, the first diode D1 is for carrying out first time rectification.

Delay circuit is also associated between the circuit for controlling motor and rectification circuit, the delay circuit includes：Third Resistance R3, the second capacitance C2, phase inverter U, the first NPN triode T1；It is connected between the cathode and ground of the first diode D1 Have the first end connection phase inverter U's of the second capacitance C2, the second capacitance C2 both ends parallel connection 3rd resistors R3, the second capacitance C2 The power end of input terminal, phase inverter U connects DC output end, and the output end of phase inverter U connects the base of the first NPN triode T1 Pole, the emitter ground connection of the first NPN triode T1, the collector of the first NPN triode T1 connect the base of the second NPN triode T2 Pole；Specifically, when power supply is just switched on, the second capacitance C2 is not electrically charged, and phase inverter U receives low level letter at this time Number, low level signal becomes high level signal, the first triode T1 conductings, due to the collection of the first triode T1 by phase inverter U Electrode connects the base stage of the second triode T2, the emitter ground connection of the first triode T1, so the base stage electricity of the second triode T2 Pressure is pulled low, and the second triode T2 cut-offs at this time are not turned on, and when the second capacitance C2 is full of, phase inverter U is received at this time High level signal, high level signal become low level signal by phase inverter U, and the first triode T1 cut-offs are not turned on, and at this time the The conducting of two triode T2 is only controlled by smoke sensor device RM with cut-off, to have the function that delay, avoids booting wink Between false triggering to motor M, improve the accuracy of circuit for controlling motor work, improve the safety of motor M work, wherein The time constant of second capacitance C2 and 3rd resistor R3 determines delay time.

It is also associated with the 4th resistance R4 between the first end and DC output end of the second capacitance C2；4th electricity Resistance R4 is current-limiting resistance, protects circuit, steady operation electric current.

The above content is the further descriptions made to the utility model in conjunction with specific preferred embodiment, cannot recognize Determine specific embodiment of the present utility model and is confined to these explanations.For the common skill of the utility model technical field For art personnel, the other embodiment obtained in the case where not departing from the technical solution of the utility model should be included in this practicality In novel protection domain.

Claims (6)

1. a kind of intelligent machine formula cooking fume control equipment, it is characterised in that：Including：Smoke sensor device（RM）And oil fume purifier, Smoke sensor device（RM）Connection is controlled with the motor of oil fume purifier, further includes circuit for controlling motor, the circuit for controlling motor Including：Motor（M）, the second NPN triode（T2）, the 5th resistance（R5）, NMOS tube（N1）, the 6th resistance（R6）, the two or two pole Pipe（D2）, third NPN triode（T3）, the 7th resistance（R7）, the 8th resistance（R8）, analog-digital converter（ADC）, smoke sensor device （RM）；

The motor（M）Output end connect DC output end, motor（M）Input terminal connect the second NPN triode（T2） Collector, the second NPN triode（T2）Emitter ground connection, the second NPN triode（T2）Base stage connect NMOS tube（N1） Source electrode, NMOS tube（N1）Source electrode pass through the 6th resistance（R6）Ground connection, NMOS tube（N1）Drain electrode pass through the 5th resistance（R5） Connect DC output end, NMOS tube（N1）Grid connect the second diode（D2）Cathode, the second diode（D2）Sun Pole connects third NPN triode（T3）Emitter, third NPN triode（T3）Emitter pass through the 7th resistance（R7）It connects Ground, third NPN triode（T3）Collector connect DC output end, third NPN triode（T3）Base stage and emitter Between 8th resistance in parallel（R8）, third NPN triode（T3）Base stage connects analog-digital converter（ADC）Output end, modulus turn Parallel operation（ADC）Input terminal connect smoke sensor device（RM）Signal output end, smoke sensor device（RM）Input end grounding.

2. a kind of intelligent machine formula cooking fume control equipment as described in claim 1, it is characterised in that：Second diode （D2）Cathode and ground between be also associated with the 9th resistance（R9）.

3. a kind of intelligent machine formula cooking fume control equipment as described in claim 1, it is characterised in that：The smoke sensor device （RM）It is sticked in the inside of the exhaust fume collecting hood of cooking fume control equipment.

4. a kind of intelligent machine formula cooking fume control equipment as described in claim 1, it is characterised in that：The circuit for controlling motor It is also associated with rectification circuit, the rectification circuit includes：First resistor（R1）, second resistance（R2）, the first capacitance（C1）, first Diode（D1）；First resistor is connected in series between ac power input end and ground（R1）And second resistance（R2）, first resistor （R1）With second resistance（R2）Common end connect the first capacitance（C1）First end, the first capacitance（C1）Second end ground connection, First capacitance（C1）First end be also connected with the first diode（D1）Anode, the first diode（D1）Cathode be direct current it is defeated Outlet.

5. a kind of intelligent machine formula cooking fume control equipment as claimed in claim 4, it is characterised in that：The circuit for controlling motor Delay circuit is also associated between rectification circuit, the delay circuit includes：3rd resistor（R3）, the second capacitance（C2）, it is anti- Phase device（U）, the first NPN triode（T1）；First diode（D1）Cathode and ground between be connected with the second capacitance（C2）, Second capacitance（C2）Both ends parallel connection 3rd resistor（R3）, the second capacitance（C2）First end connect phase inverter（U）Input End, phase inverter（U）Power end connect DC output end, phase inverter（U）Output end connect the first NPN triode（T1）'s Base stage, the first NPN triode（T1）Emitter ground connection, the first NPN triode（T1）Collector connect the second NPN triode （T2）Base stage.

6. a kind of intelligent machine formula cooking fume control equipment as claimed in claim 5, it is characterised in that：Second capacitance（C2） First end and DC output end between be also associated with the 4th resistance（R4）.