CN112555905B - Integrated kitchen - Google Patents
Integrated kitchen Download PDFInfo
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- CN112555905B CN112555905B CN202011354545.4A CN202011354545A CN112555905B CN 112555905 B CN112555905 B CN 112555905B CN 202011354545 A CN202011354545 A CN 202011354545A CN 112555905 B CN112555905 B CN 112555905B
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- 239000000779 smoke Substances 0.000 claims abstract description 115
- 239000003990 capacitor Substances 0.000 claims description 29
- 238000012545 processing Methods 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 239000006233 lamp black Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/008—Ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The application provides an integrated kitchen range, and relates to the technical field of kitchen ranges. Comprises a gas stove and a range hood arranged above the gas stove; the range hood comprises a range hood main body, a central control circuit, a photoelectric smoke sensor and a motor; the range hood main body comprises a shell and a smoke collecting cavity, wherein the shell is provided with a plurality of air inlets, and any air inlet is communicated with the side wall of the smoke collecting cavity; the smoke collecting cavity is internally provided with a photoelectric smoke sensor, the output end of the sensor is connected with the input end of the central control circuit, and the output end of the central control circuit is connected with the motor. The sensor is used for monitoring the oil smoke in real time, and when more oil smoke is generated, the redundant oil smoke is pumped away, so that the problem of oil smoke overflow and scattering when the concentration of the high-concentration oil smoke is high or the concentration of the oil smoke is too high during quick-frying is solved.
Description
Technical Field
The application relates to the technical field of stoves, in particular to an integrated stove.
Background
The existing integrated kitchen in the market, adjust and need manual operation to control the size of amount of wind, its drawback of such setting method lies in, can't take away fast in the twinkling of an eye at the high concentration oil smoke that stir-fry in-process produced, and lead to a large amount of oil smoke dissipation, have caused a very experience sense very uncomfortable sensation for the consumer, so need an intelligent induction type integrated kitchen, along with the concentration size intelligent regulation lampblack absorber amount of wind of oil smoke to this solves the high concentration oil smoke that stir-fry in-process produced in the twinkling of an eye.
Disclosure of Invention
The application aims to provide an integrated kitchen which can avoid the condition of oil smoke overflow in the process of stir-frying by consumers.
Embodiments of the present application are implemented as follows:
the embodiment of the application provides an integrated kitchen which comprises a gas kitchen and a range hood arranged above the gas kitchen; the range hood comprises a range hood main body, a central control circuit, a photoelectric smoke sensor and a motor; the range hood main body comprises a shell and a smoke collecting cavity, wherein the shell is provided with a plurality of air inlets, and any air inlet is communicated with the side wall of the smoke collecting cavity; the smoke collecting cavity is internally provided with a photoelectric smoke sensor, the output end of the sensor is connected with the input end of the central control circuit, and the output end of the central control circuit is connected with the motor.
In some embodiments of the application, the photoelectric smoke sensor comprises an infrared emitter and an infrared receiver, wherein the infrared emitter and the infrared receiver are respectively and electrically connected with the central control circuit, and the infrared emitter and the infrared receiver are both arranged in the smoke collecting cavity.
In some embodiments of the application, the central control circuit includes a monostable trigger, a processor, an oscillating circuit, and a motor control circuit; the output end of the monostable trigger is connected with the input end of the processor, the output end of the processor is connected with the input end of the oscillating circuit, the output end of the oscillating circuit is connected with the output end of the infrared transmitter, and the input end of the motor control circuit is connected with the output end of the processor.
In some embodiments of the application, the monostable flip-flop includes resistor R6, resistor R7, resistor R8, potentiometer RP1, transistor VT1, capacitor C3, and infrared receiver Q1; the input end of the infrared receiver Q1 is connected with the No. 8 pin of the processor, the output end of the infrared receiver Q1 is connected with the base electrode of the triode VT1, the collector electrode of the triode VT1 is connected with the public end of the resistor R6 and the resistor R7, the emitter electrode of the triode VT1 is connected with the public end of the resistor R7, the potentiometer RP1 and the capacitor C3, the resistor R7 is connected with the triode VT1 in parallel, one end of the resistor R8 is connected with the capacitor C3, and the other end of the resistor R8 is connected with the public end of the resistor R6 and the potentiometer RP 1.
In some embodiments of the present application, the oscillating circuit includes a resistor R1, a resistor R2, a resistor R4, an infrared emitter Q2, a diode VD1 and a capacitor C1, the input end of the diode VD1 is connected to the pin No. 1 of the processor, the output end of the diode VD1 is connected to one end of the capacitor C1, the other end of the capacitor C1 is connected to the pin No. 7 of the processor, one end of the resistor R1 is connected to the input end of the diode VD1, the other end of the resistor R1 is connected to the pin No. 4 of the processor, the resistor R2 is connected in parallel with the diode VD1, the pin No. 2 of the processor is connected to the resistor R2, one end of the infrared emitter Q2 is connected to the pin No. 1 of the processor, the other end of the infrared emitter Q2 is connected to one end of the resistor R4, and the other end of the resistor R4 is connected to the pin No. 5 of the processor.
In some embodiments of the present application, the motor control circuit includes a resistor R5, a triode VT2, and an electric control plate ZLD2, one end of the electric control plate ZLD2 is connected to the resistor R8, the other end of the electric control plate ZLD2 is connected to a collector of the triode VT2, an emitter of the triode VT2 is connected to a capacitor C3, a base of the triode VT2 is connected to pin 9 of the processor, one end of the resistor R5 is connected to a potentiometer RP1, and the other end of the resistor R5 is connected to pin 11 of the processor.
In some embodiments of the application, the infrared receiver employs a phototransistor and the infrared transmitter employs an infrared light emitting diode.
In some embodiments of the application, the central control circuit includes a feedback circuit, a processing module, and a power control circuit; the input end of the feedback circuit is connected with the output end of the phototriode, the output end of the feedback circuit is connected with the input end of the processing module, and the output end of the processing module is connected with the input end of the power control circuit.
In some embodiments of the present application, the feedback circuit includes an infrared light emitting diode VD3, a triode VT3, an infrared light emitting diode VD4, a potentiometer RP2, a resistor R9, a triode VT4, a resistor R10, a resistor R11, a capacitor C4, and a triode VT5; the input end of the infrared light emitting diode VD3 is connected with the resistor R11, the output end of the infrared light emitting diode VD3 is connected with the collector of the triode VT3, the emitter of the triode VT3 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with the emitter of the triode VT4, one end of the potentiometer RP2 is connected with the collector of the triode VT3, the other end of the potentiometer RP2 is connected with the resistor R9, the input end of the infrared light emitting diode VD4 is connected with the emitter of the triode VT3, the output end of the infrared light emitting diode VD4 is connected with the base of the triode VT4, the collector of the triode VT4 is connected with one end of the resistor R10, the other end of the resistor R10 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with the collector of the triode VT3, the capacitor C4 is connected with the resistor R9 in parallel, the base of the triode VT5 is connected with the resistor R10 and the public end of the resistor R11, the collector of the triode VT5 is connected with the No. 1 pin of the processing module, and the emitter of the triode VT5 is connected with the emitter of the triode VT 4.
In some embodiments of the present application, the processing module includes a chip IC9561, a resistor R12 and a resistor R13, wherein one end of the resistor R12 is connected to pin 0 of the chip IC9561, the other end of the resistor R12 is connected to the resistor R11, one end of the resistor R13 is connected to pin 2 of the chip IC9561, and the other end of the resistor R13 is connected to pin 4 of the chip IC 9561; the power control circuit comprises a control board ZLD2 and a triode VT6, wherein the base electrode of the triode VT6 is connected with a No. 3 pin of the chip IC9561, the emitter electrode of the triode VT6 is connected with the emitter electrode of the triode VT5, the collector electrode of the triode VT6 is connected with the input end of the control board ZLD2, and the output end of the control board ZLD2 is connected with a resistor R12.
Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:
an integrated kitchen comprises a gas kitchen range and a range hood arranged above the gas kitchen range; the range hood comprises a range hood main body, a central control circuit, a photoelectric smoke sensor and a motor; the range hood main body comprises a shell and a smoke collecting cavity, wherein the shell is provided with a plurality of air inlets, and any air inlet is communicated with the side wall of the smoke collecting cavity; the smoke collecting cavity is internally provided with a photoelectric smoke sensor, the output end of the sensor is connected with the input end of the central control circuit, and the output end of the central control circuit is connected with the motor.
In the use of the integrated cooker in the prior art, although the gear of the integrated cooker can be controlled by a user according to the situation, the integrated cooker only sucks smoke by side, and the arrangement mode has the defects that a large amount of oil smoke generated in the moment can not be sucked by side in the quick-frying process, and part of the oil smoke can be scattered; therefore, in order to solve the problem, the air inlet is arranged on the main body of the range hood and is communicated with the side wall of the smoke collecting cavity, and the range hood is arranged in the process of quick-frying the range hood, and the range hood has the beneficial effects that the absorption effect of the oil smoke can be improved because the generated quantity of the oil smoke is large in the moment and the oil smoke cannot be sucked by the prior art alone. In addition, the photoelectric smoke sensor is arranged in the air inlet, so that the oil smoke is monitored in real time, signals are sent to the central control circuit according to the size of the oil smoke, the central control circuit controls the rotating speed of the motor after receiving the signals, the force and air quantity of the oil smoke are increased instantaneously, the motor drives the impeller to rotate at a high speed, the oil smoke is absorbed completely, and the problem of overflow and dispersion of high-concentration oil smoke generated instantaneously during quick-frying is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an integrated cooker according to the present application;
FIG. 2 is a schematic circuit diagram of a central control circuit of the present application 1;
fig. 3 is a schematic circuit diagram of the central control circuit of the present application 2.
Icon: 1-a housing; 11-a smoke collecting cavity; 12-an air inlet; a 2-oscillation circuit; a 3-processor; a 4-monostable flip-flop; 5-a motor control circuit; a 6-feedback circuit; 7-a processing module; 8-power control circuit.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present application, it should be noted that, if the terms "upper", "lower", "inner", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present application and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present application.
In the description of the embodiments of the present application, "plurality" means at least 2.
In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1, 2 and 3, an integrated kitchen range is provided for the present embodiment, and includes a gas kitchen range and a range hood installed above the gas kitchen range; the range hood comprises a range hood main body, a central control circuit, a photoelectric smoke sensor and a motor; the range hood main body comprises a shell 1 and a smoke collecting cavity 11, wherein a plurality of air inlets 12 are formed in the shell 1, and any air inlet 12 is communicated with the side wall of the smoke collecting cavity 11; the smoke collecting cavity 11 is internally provided with a photoelectric smoke sensor, the output end of the photoelectric smoke sensor is connected with the input end of a central control circuit, and the output end of the central control circuit is connected with a motor.
In some embodiments of the present application, in the use of the integrated cooker in the prior art, although the gear can be controlled by the user according to the situation, only side-sucking smoke is used, and the disadvantage of such a setting method is that in the process of stir-frying, only side-sucking cannot suck a great amount of instantaneously generated oil smoke, and part of oil smoke can overflow; therefore, in order to solve the problem, the air inlet 12 is arranged on the shell 1 and is communicated with the side wall of the smoke collecting cavity 11, and the arrangement aims at improving the absorption effect of the oil smoke when the stove is in the process of stir-frying because the oil smoke is generated in the moment and the oil smoke cannot be sucked by the prior art, so that the air inlet 12 is arranged on the shell 1 and any air inlet 12 is communicated with the side wall of the smoke collecting cavity 11. In addition, the edge of the air inlet 12 is provided with the photoelectric smoke sensor, so that the oil smoke is monitored in real time, signals are sent to the central control circuit according to the size of the oil smoke, and the central control circuit controls the motor after receiving the signals, so that the force of oil smoke suction is increased, the oil smoke is absorbed cleanly, the absorption efficiency of the integrated kitchen is improved, and the problem that the oil smoke overflows is solved.
In some embodiments of the application, the direct current motor is adopted, so that the cost is saved because the voltage required by the range hood is low.
As shown in fig. 2, in some embodiments of the present application, the photo-induced smoke sensor includes an infrared emitter and an infrared receiver, which are electrically connected to the central control circuit, respectively, and are both installed in the smoke collecting cavity 11.
In some embodiments of the application, in order to effectively improve the detection effect of the photoelectric smoke sensor on the lampblack, the infrared sensor is adopted to detect the lampblack, and the selection is made because the infrared sensor has simple structure, convenient realization, low cost, sensitive response, convenient detection of the close range condition and strong anti-interference capability, and can not generate different results due to the difference of surrounding environments; because the infrared sensor comprises the infrared emitter and the infrared receiver, the infrared emitter and the infrared receiver are arranged in the smoke collecting cavity 11 for good detection effect, so that the infrared emitter emits the smoke, and after the smoke enters the smoke collecting cavity 11, the infrared receiver receives the light signal emitted by the infrared emitter and generates photocurrent due to the diffuse reflection effect of smoke particles, so that the conversion from the smoke signal to the electric signal is realized.
As shown in fig. 2, in some embodiments of the application, the central control circuit includes a monostable trigger 4, a processor 3, an oscillating circuit 2, and a motor control circuit 5; the output end of the monostable trigger 4 is connected with the input end of the processor 3, the output end of the processor 3 is connected with the input end of the oscillating circuit 2, the output end of the oscillating circuit 2 is connected with the output end of the infrared emitter, and the input end of the motor control circuit 5 is connected with the output end of the processor 3.
In some embodiments of the present application, in order to convert the oil smoke signal into an electrical signal and enable the motor to change according to the intensity of the oil smoke, a central control circuit is provided, wherein the central control circuit comprises a monostable trigger 4, a processor 3, an oscillating circuit 2 and a motor control circuit 5, the monostable trigger 4 is provided for directly converting the oil smoke signal, and the monostable trigger 4 has only one stable state and one temporary stable state. Under the action of the external pulse provided by the oscillating circuit 2, the monostable trigger 4 can be turned over from a stable state to a temporary stable state, and a shaping pulse signal with the same pulse width and amplitude and steeper leading edge and trailing edge is obtained at the output end of the monostable trigger 4, so that the signal receiving effect is improved, the accuracy and stability are improved, the processor 3 is used for receiving and processing the signal, and then outputting the signal to the motor control circuit 5 to control the motor.
As shown in fig. 2, in some embodiments of the present application, the monostable 4 includes a resistor R6, a resistor R7, a resistor R8, a potentiometer RP1, a transistor VT1, a capacitor C3, and an infrared receiver; the input of infrared receiver is connected with the No. 8 pin of treater 3, and the output of infrared receiver is connected with triode VT 1's base, and triode VT 1's collecting electrode is connected with resistance R6, resistance R7's common end, and triode VT 1's projecting pole is connected with resistance R7, potentiometre RP1, electric capacity C3's common end, and resistance R7 is parallelly connected with triode VT1, and resistance R8 one end is connected with electric capacity C3, and the resistance R8 other end is connected with resistance R6, potentiometre RP 1's common end.
In some embodiments of the present application, wherein transistor VT1 forms a trigger circuit for monostable 4 with an infrared receiver, resistor R6, and resistor R7. The 11 pins of the singlechip are control voltage input ends, and the external potentiometer RP can provide voltage for the 11 pins, so that the voltage is slightly lower than 2 times of the voltage of the 8 pins, thereby taking the sensitivity into consideration and avoiding false triggering. The capacitor C2 and the resistor R3 keep the pin of the integrated circuit 10 at a low level at the moment of connecting an external power supply, so that a false alarm phenomenon is avoided when the power is on, and the capacitor C2 discharges rapidly through the diode VD2 after the power is off, thereby realizing the automatic control of the monostable trigger 4 by the processor 3 and improving the conversion efficiency.
As shown in fig. 2, in some embodiments of the present application, the oscillating circuit 2 includes a resistor R1, a resistor R2, a diode VD1, and a capacitor C1, where an input terminal of the diode VD1 is connected to pin 1 of the processor 3, an output terminal of the diode VD1 is connected to one end of the capacitor C1, the other end of the capacitor C1 is connected to pin 7 of the processor 3, one end of the resistor R1 is connected to an input terminal of the diode VD1, the other end of the resistor R1 is connected to pin 4 of the processor 3, the resistor R2 is connected in parallel with the diode VD1, and pin 2 of the processor 3 is connected to the resistor R2.
In some embodiments of the present application, the oscillating circuit 2 is provided to pulse the monostable trigger 4, and the design adopts the multivibrator circuit 2, and uses deep positive feedback to make two electronic devices alternately turned on and off through resistance-capacitance coupling, so as to generate a square wave in a self-excited manner, wherein the square wave can transmit a signal from a source end to a receiving end without distortion within a required time, and stability and high efficiency of signal transmission are ensured.
As shown in fig. 2, in some embodiments of the present application, the motor control circuit 5 includes a resistor R5, a triode VT2, and an electric control plate ZLD2, one end of the electric control plate ZLD2 is connected to the resistor R8, the other end of the electric control plate ZLD2 is connected to a collector of the triode VT2, an emitter of the triode VT2 is connected to the capacitor C3, a base of the triode VT2 is connected to pin 9 of the processor 3, one end of the resistor R5 is connected to the potentiometer RP1, and the other end of the resistor R5 is connected to pin 11 of the processor 3.
In some embodiments of the application, since the infrared emitter is driven by the oscillating circuit 2, the average current through the infrared emitter is small due to the small duty cycle. When smoke with a certain concentration enters the smoke collecting cavity 11, the infrared rays emitted intermittently irradiate the infrared receiving tube through diffuse reflection of smoke particles, the infrared receiving tube converts the smoke into photocurrent and amplifies the photocurrent by the triode VT1, if the voltage of the No. 8 pin of the processor 3 is instantly lower than half of the voltage provided for the No. 11 pin by the external potentiometer RP, the No. 9 leading-in pin of the processor 3 becomes high level, the electric control board ZLD2 receives the electric signals, and the smoke can be recovered to be normal after the smoke disappears for a period of time.
Example 2
In some embodiments of the application, as shown in fig. 3, the infrared receiver employs a phototransistor and the infrared transmitter employs an infrared light emitting diode.
In some embodiments of the present application, a phototransistor is used, which is aimed at receiving infrared rays when there is no smoke, reducing internal resistance, increasing current of a series circuit, so that the singlechip does not receive an electric signal and does not work; when smoke exists, the light transmittance is poor due to the blocking of the smoke, the luminous flux is reduced, the internal resistance is increased, the current is reduced, and the singlechip receives an electric signal to control the electric control board to control the rotating speed of the motor.
As shown in fig. 3, in some embodiments of the application, the central control circuit includes a feedback circuit 6, a processor 3, and a power control circuit 8; the input end of the feedback circuit 6 is connected with the output end of the phototriode, the output end of the feedback circuit 6 is connected with the input end of the processor 3, and the output end of the processor 3 is connected with the input end of the power control circuit 8.
In some embodiments of the present application, in order to convert the oil smoke signal into an electrical signal and enable the motor to change according to the intensity of the oil smoke, a central control circuit is provided, wherein the feedback circuit 6, the processor 3 and the power control circuit 8 are used for transmitting the signal of the phototransistor, receiving and processing the signal by the processing module 7, and then outputting the signal to the motor control circuit 5 to control the motor.
As shown in fig. 3, in some embodiments of the present application, the feedback circuit 6 includes an infrared light emitting diode VD3, a triode VT3, an infrared light emitting diode VD4, a potentiometer RP2, a resistor R9, a triode VT4, a resistor R10, a resistor R11, a capacitor C4, and a triode VT5; the input end of the infrared light emitting diode VD3 is connected with the resistor R11, the output end of the infrared light emitting diode VD3 is connected with the collector of the triode VT3, the emitter of the triode VT3 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with the emitter of the triode VT4, one end of the potentiometer RP2 is connected with the collector of the triode VT3, the other end of the potentiometer RP2 is connected with the resistor R9, the input end of the infrared light emitting diode VD4 is connected with the emitter of the triode VT3, the output end of the infrared light emitting diode VD4 is connected with the base of the triode VT4, the collector of the triode VT4 is connected with one end of the resistor R10, the other end of the resistor R10 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with the collector of the triode VT3, the capacitor C4 is connected with the resistor R9 in parallel, the base of the triode VT5 is connected with the resistor R10 and the public end of the resistor R11, the collector of the triode VT5 is connected with the No. 1 pin of the processor 3, and the emitter of the triode VT5 is connected with the emitter of the triode VT 4.
In some embodiments of the application, the infrared light emitting diode VD3 emits light at a pre-adjusted starting current when the environment being monitored is clean and free of smoke. The internal resistance of the infrared light is reduced after the infrared light is received by the phototriode VT3, so that the current in a serial circuit of the infrared light emitting diode and the phototriode VT3 is increased, the luminous intensity of the infrared light emitting diode VD4 is correspondingly increased, and the internal resistance of the phototriode VT3 is further reduced. The circulation forms strong positive feedback until the current reaches the maximum value, the voltage generated on the resistor R1 is reduced, the triode VT4 is conducted through the infrared light-emitting diode VD4, the triode VT5 is cut off, and the singlechip does not work. When smoke suddenly increases in the monitored environment, the light transmittance in the air is reduced, the luminous flux received by the phototriode VT3 is reduced, the internal resistance is increased, the current is also reduced, and the luminous intensity of the infrared light emitting diode VD3 is also reduced. The negative feedback is formed by the circulation, the current is reduced to the initial current value, the voltage on the resistor R9 is also reduced, the triode VT4 is cut off, the triode VT5 is conducted, the singlechip works, and an electric signal is sent to the power control circuit 8.
In some embodiments of the application, the capacitor C4 is arranged to prevent disturbance of the transient smoke.
In some embodiments of the present application, the processor 3 includes a chip IC9561, a resistor R12 and a resistor R13, wherein one end of the resistor R12 is connected to pin 0 of the chip IC9561, the other end of the resistor R12 is connected to the resistor R11, one end of the resistor R13 is connected to pin 2 of the chip IC9561, and the other end of the resistor R13 is connected to pin 4 of the chip IC 9561; the power control circuit 8 comprises a control board ZLD2 and a triode VT6, wherein the base electrode of the triode VT6 is connected with a No. 3 pin of the chip IC9561, the emitter electrode of the triode VT6 is connected with the emitter electrode of the triode VT5, the collector electrode of the triode VT6 is connected with the input end of the control board ZLD2, and the output end of the control board ZLD2 is connected with a resistor R12.
In some embodiments of the present application, in order to ensure stable operation of the chip, the resistor R12 and the resistor R13 are set to divide the voltage of the pins of the chip IC9561, so as to avoid damage to the chip caused by excessive voltage; the triode VT6 is arranged to amplify the output signal of the chip IC9561, so that the accuracy of signal transmission and the stability of a circuit are improved.
In summary, an embodiment of the present application provides an integrated kitchen range, including a gas kitchen range and a range hood mounted above the gas kitchen range; the range hood comprises a range hood main body, a central control circuit, a photoelectric smoke sensor and a motor; the range hood main body comprises a shell 1 and a smoke collecting cavity 11, wherein a plurality of air inlets 12 are formed in the shell 1, and any air inlet 12 is communicated with the side wall of the smoke collecting cavity 11; the smoke collecting cavity 11 is internally provided with a photoelectric smoke sensor, the output end of the photoelectric smoke sensor is connected with the input end of a central control circuit, and the output end of the central control circuit is connected with a motor.
In some embodiments of the present application, in the use of the integrated cooker in the prior art, although the gear can be controlled by the user according to the situation, only side-sucking smoke is used, and the disadvantage of such a setting method is that in the process of stir-frying, only side-sucking cannot suck a great amount of instantaneously generated oil smoke, and part of oil smoke can overflow; therefore, in order to solve the problem, the air inlet 12 is arranged on the shell 1 and is communicated with the side wall of the smoke collecting cavity 11, and the arrangement aims at improving the absorption effect of the oil smoke when the stove is in the process of stir-frying because the oil smoke is generated in the moment and the oil smoke cannot be sucked by the prior art, so that the air inlet 12 is arranged on the shell 1 and any air inlet 12 is communicated with the side wall of the smoke collecting cavity 11. In addition, the edge of the air inlet 12 is provided with the photoelectric smoke sensor, so that the oil smoke is monitored in real time, signals are sent to the central control circuit according to the size of the oil smoke, and the central control circuit controls the motor after receiving the signals, so that the force of oil smoke suction is increased, the oil smoke is absorbed cleanly, the absorption efficiency of the integrated kitchen is improved, and the problem that the oil smoke overflows is solved.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. The integrated kitchen range is characterized by comprising a gas kitchen range and a range hood arranged above the gas kitchen range; the range hood comprises a range hood main body, a central control circuit, a photoelectric smoke sensor and a motor; the range hood main body comprises a shell and a smoke collecting cavity, wherein the shell is provided with a plurality of air inlets, and any air inlet is communicated with the side wall of the smoke collecting cavity; a photoelectric smoke sensor is arranged in the smoke collecting cavity, the output end of the sensor is connected with the input end of the central control circuit, and the output end of the central control circuit is connected with the motor;
the photoelectric smoke sensor comprises an infrared emitter and an infrared receiver, the infrared emitter and the infrared receiver are respectively and electrically connected with the central control circuit, and the infrared emitter and the infrared receiver are both arranged in the smoke collecting cavity;
the central control circuit comprises a monostable trigger, a processor, an oscillating circuit and a motor control circuit; the output end of the monostable trigger is connected with the input end of the processor, the output end of the processor is connected with the input end of the oscillating circuit, the output end of the oscillating circuit is connected with the output end of the infrared emitter, and the input end of the motor control circuit is connected with the output end of the processor;
the monostable trigger comprises a resistor R6, a resistor R7, a resistor R8, a potentiometer RP1, a triode VT1, a capacitor C3 and an infrared receiver Q1; the input end of the infrared receiver Q1 is connected with an No. 8 pin of the processor, the output end of the infrared receiver Q1 is connected with a base electrode of the triode VT1, a collector electrode of the triode VT1 is connected with a public end of the resistor R6 and the resistor R7, an emitter electrode of the triode VT1 is connected with a public end of the resistor R7, the potentiometer RP1 and the capacitor C3, the resistor R7 is connected with the triode VT1 in parallel, one end of the resistor R8 is connected with the capacitor C3, and the other end of the resistor R8 is connected with the public end of the resistor R6 and the potentiometer RP 1.
2. The integrated cooker according to claim 1, wherein the oscillating circuit comprises a resistor R1, a resistor R2, a resistor R4, an infrared emitter Q2, a diode VD1 and a capacitor C1, wherein an input end of the diode VD1 is connected with a pin number 1 of the processor, an output end of the diode VD1 is connected with one end of the capacitor C1, the other end of the capacitor C1 is connected with a pin number 7 of the processor, one end of the resistor R1 is connected with an input end of the diode VD1, the other end of the resistor R1 is connected with a pin number 4 of the processor, the resistor R2 is connected in parallel with the diode VD1, a pin number 2 of the processor is connected with the resistor R2, one end of the infrared emitter Q2 is connected with the capacitor C1, the other end of the infrared emitter Q2 is connected with one end of the resistor R4, and the other end of the resistor R4 is connected with a pin number 5 of the processor.
3. The integrated kitchen range of claim 2, wherein the motor control circuit comprises a resistor R5, a triode VT2 and an electric control plate ZLD2, one end of the electric control plate ZLD2 is connected with the resistor R8, the other end of the electric control plate ZLD2 is connected with a collector of the triode VT2, an emitter of the triode VT2 is connected with the capacitor C3, a base of the triode VT2 is connected with a pin No. 9 of the processor, one end of the resistor R5 is connected with the potentiometer RP1, and the other end of the resistor R5 is connected with a pin No. 11 of the processor.
4. The integrated cooker of claim 1, wherein the infrared receiver employs a phototransistor and the infrared emitter employs an infrared light emitting diode.
5. The integrated cooker of claim 4, wherein the central control circuit comprises a feedback circuit, a processing module, and a power control circuit; the input end of the feedback circuit is connected with the output end of the phototriode, the output end of the feedback circuit is connected with the input end of the processing module, and the output end of the processing module is connected with the input end of the power control circuit.
6. The integrated cooker of claim 5, wherein the feedback circuit comprises an infrared light emitting diode VD3, a triode VT3, an infrared light emitting diode VD4, a potentiometer RP2, a resistor R9, a triode VT4, a resistor R10, a resistor R11, a capacitor C4, and a triode VT5; the input end of the infrared light emitting diode VD3 is connected with the resistor R11, the output end of the infrared light emitting diode VD3 is connected with the collector of the triode VT3, the emitter of the triode VT3 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with the emitter of the triode VT4, one end of the potentiometer RP2 is connected with the collector of the triode VT3, the other end of the potentiometer RP2 is connected with the resistor R9, the input end of the infrared light emitting diode VD4 is connected with the emitter of the triode VT3, the output end of the infrared light emitting diode VD4 is connected with the base of the triode VT4, the collector of the triode VT4 is connected with one end of the resistor R10, the other end of the resistor R10 is connected with one end of the resistor R11, the capacitor C4 is connected with the collector of the triode VT3 in parallel, the base of the triode 5 is connected with the base of the resistor R10, the common terminal of the triode VT 11 is connected with the collector of the triode VT5, and the common terminal of the triode VT1 is connected with the collector of the triode VT 4.
7. The integrated cooker according to claim 6, wherein the processing module comprises a chip IC9561, a resistor R12 and a resistor R13, wherein one end of the resistor R12 is connected to pin 0 of the chip IC9561, the other end of the resistor R12 is connected to the resistor R11, one end of the resistor R13 is connected to pin 2 of the chip IC9561, and the other end of the resistor R13 is connected to pin 4 of the chip IC 9561; the power control circuit comprises a control board ZLD2 and a triode VT6, wherein the base electrode of the triode VT6 is connected with a No. 3 pin of the chip IC9561, the emitter electrode of the triode VT6 is connected with the emitter electrode of the triode VT5, the collector electrode of the triode VT6 is connected with the input end of the control board ZLD2, and the output end of the control board ZLD2 is connected with the resistor R12.
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