CN107860047A - A kind of method of work of automatic cooker hood and its control circuit and fume eliminating - Google Patents
A kind of method of work of automatic cooker hood and its control circuit and fume eliminating Download PDFInfo
- Publication number
- CN107860047A CN107860047A CN201711444109.4A CN201711444109A CN107860047A CN 107860047 A CN107860047 A CN 107860047A CN 201711444109 A CN201711444109 A CN 201711444109A CN 107860047 A CN107860047 A CN 107860047A
- Authority
- CN
- China
- Prior art keywords
- cavity
- oil
- edible vegetable
- circuit
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- 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
- F24C15/2035—Arrangement or mounting of filters
Abstract
The invention discloses a kind of automatic cooker hood,Include shell,In the housing formed with cavity,Air exhauster is provided with the cavity,The air exhauster passes through pipeline and cavity ft connection,For oil smoke to be pumped into cavity,Oil removing rotating disk is provided with below the air exhauster,Edible vegetable oil liquid is filled with the bottom of chamber of the cavity,The latter half of the oil removing rotating disk is immersed in edible vegetable oil liquid,The top half of the oil removing rotating disk is then exposed to the ullage of edible vegetable oil liquid,Filter screen is provided with the cavity below the liquid level of the edible vegetable oil liquid,Formed with some filter bores on filter screen,The top diameter of the filter bores is less than base diameter,The density of sump oil is greater than the density of edible vegetable oil liquid,The sump oil can infiltrate into the lower section of filter screen from filter bores,Oil exit pipe is connected with the cavity bottom,Electrically operated valve is provided with the oil exit pipe.
Description
Technical field
The present invention relates to technical field of kitchen wares, more particularly to a kind of automatic cooker hood and its control circuit and removes
The method of work of oil smoke.
Background technology
Lampblack absorber of the prior art mainly using metal net mask come filtering fume, make its without dismantling and cleaning, it is only necessary to topple over
Liquefied sump oil, but because in lampblack absorber of the prior art, oil smoke is to be attached to by way of condensation on the inwall of lampblack absorber,
Its adsorption efficiency reduces, and causes to have a big chunk oil smoke by exhaust duct discharge outdoor, seriously pollutes environment.
There is a kind of automatic washing range hood in Siemens at present, and the spray chamber before smoking port is using nozzle to entrance
Oil smoke is washed, but the shortcomings that nozzle is easily stifled be present, in addition, for full-automatic smoke extractor, sensor easily pollutes, and can cause it
Sensitivity declines or full-automatic failure, causes the life-span of sensor extremely short.
The content of the invention
The technical problems to be solved by the invention be for the above-mentioned state of the art and provide it is a kind of have dual monitoring with
And the range hood and its control circuit and its specific fume eliminating method of work of full-automatic fume eliminating can be carried out.
To achieve the above object, the invention provides following technical scheme：
A kind of automatic cooker hood, include shell, in the housing formed with cavity, set in the cavity
There is air exhauster, the air exhauster is by pipeline and cavity ft connection, for oil smoke to be pumped into cavity, in the air exhauster
Lower section is provided with oil removing rotating disk, is filled with edible vegetable oil liquid in the bottom of chamber of the cavity, the latter half of the oil removing rotating disk is immersed in
In edible vegetable oil liquid, the top half of the oil removing rotating disk is then in the ullage of edible vegetable oil liquid, the cavity in the edible vegetable oil
It is provided with filter screen below the liquid level of liquid, is less than bottom formed with some filter bores, the top diameter of the filter bores on filter screen
Diameter, the density of sump oil are greater than the density of edible vegetable oil liquid, and the sump oil can infiltrate into the lower section of filter screen from filter bores, described
Cavity bottom is connected with oil exit pipe, and electrically operated valve is provided with the oil exit pipe.
As the improvement of the present invention, multiple blades are provided with the oil removing rotating disk, the blade turns around the oil removing
The center of disk is circumferentially evenly distributed, in the blade surface covered with activated carbon, for adsorbing oil smoke, when air exhauster is by outside cavity
When portion's gas is pumped into cavity, the exchange energy of air-flow facilitates the oil removing rotating disk to rotate inside and outside cavity.
As a preference of the present invention, offering inlet on the housing, edible vegetable oil liquid energy enters cavity by inlet
In.
A kind of control circuit of above-mentioned automatic cooker hood, include detection circuit, temperature control circuit, warning circuit and electricity
Machine control circuit, the detection circuit include inductance T, are electrically connected with city, gas sensing resistance is coupled with the inductance T,
Diode group and electric capacity are also coupled on inductance T, the diode group and electric capacity are in parallel with the gas sensing resistance；
The temperature control circuit is coupled on detection circuit, and the temperature control circuit includes thermistor R7；
The warning circuit is coupled between detection circuit and temperature control circuit, and the circuit for controlling motor is coupled in detection electricity
Lu Shang.
A kind of method of work that fume eliminating is carried out using above-mentioned control circuit control automatic cooker hood, is included as follows
Step：
A, automatic fuel gas and flue gas concentration detection is carried out by detecting circuit；
B, Concentration Testing is judged, if not exceeded, return to step a, if flue gas concentration is exceeded, starts lampblack absorber
Work；
C, when lampblack absorber works, while warning circuit is started；
D, fuel gas and flue gas concentration detection are persistently carried out, as exceeded, lampblack absorber is operated, and is stopped if not exceeded
Only lampblack absorber works.
As the improvement of the above method, in step a, lampblack absorber automatic mode and manually is realized by single-pole double-throw switch (SPDT)
The switching of pattern.
Compared with prior art, the advantage of the invention is that：Dual circuitry is surveyed by the gentle physical examination of temperature control, it is ensured that will not
The generation of fuel gas accident leak case occurs, improves the security performance of lampblack absorber.
Brief description of the drawings
Fig. 1 is the structural representation of automatic cooker hood in the embodiment of the present invention；
Fig. 2 is the electric operation control circuit figure of automatic cooker hood in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in drawings, the present embodiment first discloses a kind of automatic cooker hood, includes shell 1, the shape in shell
Into there is cavity, air exhauster 2 is provided with institute's cavity, the air exhauster passes through pipeline and cavity ft connection, actually pipeline
One end is connected on air exhauster, and the other end extends in the surface of gas range, when air exhauster starts, can be produced gas range
Oil smoke be directly drawn onto by pipeline in cavity, oil removing rotating disk 3 is provided with below air exhauster in cavity, in the oil removing rotating disk
The heart is provided with rotating shaft, and circumferentially arranged in rotating shaft to have some blades, these blades are evenly distributed around rotating shaft, when air exhauster work
When making, the convection current of air can be produced inside and outside cavity, air-flow can impact the surface of blade caused by this convection current, thus to blade
Driving force is provided, drives these blades to be filled with edible vegetable oil liquid 4, the lower half of oil removing rotating disk in the bottom of chamber of cavity around axis of rotation
Part is immersed in edible vegetable oil liquid, when blade, which turns to, to be in contact with the liquid level of edible vegetable oil liquid, edible vegetable oil liquid can splash, fly
The edible vegetable oil liquid energy splashed is effectively mixed together to form mixed liquor with the oil smoke in cavity, and mixed liquor is under gravity along sky
The inwall of chamber is slid into edible vegetable oil liquid, and the density of sump oil is to be greater than the density of edible vegetable oil liquid, therefore the sump oil in mixed liquor can precipitate
To the lower section of edible vegetable oil liquid, filter screen 5 is provided with cavity below the liquid level of edible vegetable oil liquid, formed with some filter bores on filter screen, this
The top diameter of a little filter bores is less than base diameter, that is, forms a construction for falling hole, is the advantages of this construction, filter opening
The sump oil of top can slowly penetrate into the lower section of filter screen from filter opening under gravity, and because upper diameter is much smaller than
Base diameter so that the liquid convection of filter opening upper and lower is very slow so that the sump oil of lower section is difficult anti-in the presence of liquid convection
To the top for penetrating into filter screen, in the case that range hood vibration is very big, part sump oil penetrates into the upper of filter screen again
Side, can also precipitate again in the presence of self gravitation quickly.Oil exit pipe 6 is connected with cavity bottom, is precipitated
Sump oil, which can be discharged to by oil exit pipe in collection device, topples over as waste oil or re-uses after treatment, in oil exit pipe
Electrically operated valve 8 is provided with, the electrically operated valve is used to open and close oil exit pipe.
In addition, in order to lift the adsorption effect of oil smoke in cavity, active carbon layer is covered with the surface of blade, these activity
Charcoal is preferable to the adsorption effect of oil smoke, and after activated carbon touches edible vegetable oil liquid, edible vegetable oil liquid energy washes away the oil smoke shape of charcoal absorption
Into mixed liquor.In addition, offering inlet 7 on shell, edible vegetable oil liquid energy is poured into by inlet in cavity, it is necessary to the filter changed
Net can also be extracted cavity from the inlet.
A kind of control circuit of above-mentioned automatic cooker hood, include detection circuit, temperature control circuit, warning circuit and electricity
Machine control circuit, detection circuit is essentially gas monitor circuit, and it includes inductance T, is electrically connected by wire and 220V cities,
Gas sensing resistance Q is coupled with inductance T, gas sensing resistance Q resistance can change with the change of gas density, in inductance T
On be also coupled to diode group D1+D3, D2+D4 and electric capacity C1, diode group be for sharing the current value by gas sensing resistance,
Prevent gas sensing resistance from overheating, what electric capacity C1 was played is the anti-breakdown effect of circuit, i.e., when the current value of parallel circuit is held beyond electric capacity
During by the upper limit, electric capacity can turn on to form path, so as to prevent diode and gas sensing resistance to be burned.Due to diode group and air-sensitive
Resistor coupled in parallel, then in the case where diode group resistance is fixed, the change in resistance of gas sensing resistance can be amplified, that is, improved
The sensitivity of gas sensing resistance, the sensitivity of gas sensing resistance is K：
K=Ra/Rg,
Ra is resistance value of the gas sensor in normal air；
Rg is resistance value of the gas sensor in the soot gas of normal concentration.
So, when having oil smoke in air, the resistance of gas sensing resistance will be changed, and the change can be become by electric current
The mode of change passes to the circuit for controlling motor being coupled on detection circuit.Circuit for controlling motor includes for driving air exhauster
The motor M1 of work, the motor have four pins, and one of pin is connected to illuminating lamp LP, when M1 works, can export
Electric current is at illuminating lamp LP so that illuminating lamp LP is shinny, and another pin of motor is connected to electric capacity C2 and electric capacity C3, plays class
The effect of ground connection, another pin of motor be connected to reserve cell M2, M2 can the output of storage unit separated motor electric energy, as should
Urgent telegram source.Single-pole double-throw switch (SPDT) K1 is provided between motor and detection circuit, the single-pole double-throw switch (SPDT) is corresponding with as shown in Figure 2
The end of double-pole side 1 and 2 ends, by operating switch, it can be toggled between double-pole side one end and 2 ends.Range hood is certainly
During dynamic detection flue gas, single-pole double-throw switch (SPDT) K1 gets to the end of double-pole side 1.The combustable gas concentration that the setting value of detection circuit is compromised
Exceed, the resistance decrease of gas sensor, phase inverter F2 inputs are high level, and warning circuit, circuit for controlling motor activate, oil suction
Cigarette machine is vented and alarmed.When user normally cooks, the temperature of various flue gases makes thermistor resistance decrease, and phase inverter F1 inputs low
Level, exports high level, and range hood operating is discharged fume.After indoor flue gas emptying, range hood is automatically stopped operating, weight
Newly enter detection state.Room air is pure and fresh, and smoke exhaust ventilator does not turn, then phase inverter F2 exports high level, and phase inverter F4 outputs are low
Level, illuminating lamp do not work.When indoor flue gas or combustion gas exceed standard value, range hood operating, F2 output low levels, if indoor
Bright and clear, illuminating lamp does not work.When single-pole double-throw switch (SPDT) K1 gets to 2 end of double-pole side, now smoke exhaust ventilator is stand-by power supply mould
Formula, working power is provided by M2.
Temperature control circuit is coupled on detection circuit, and temperature control circuit includes thermistor R7, and resistance R4 is in series with R7,
The purpose is to prevent that R7 resistances fail and cause short circuit in extreme temperatures, are also parallel with resistance R8 and R3 on R7, with
And phase inverter F1 and diode D9.As the protection module of lampblack absorber, the detection of temperature is also increasingly important, and the burning of natural gas exists
Oil smoke is not produced in the case of not cooking, and raises environment temperature.Thermistor uses semi-conducting material, with the change of temperature
Change and change resistance.Due to production technology, thermistor does not have the thermistor curve of standard, it is necessary to coordinate work with gas sensing resistance
Make, complete the effect of monitoring gas.
A kind of method of work that fume eliminating is carried out using above-mentioned control circuit control automatic cooker hood, is included as follows
Step：
A, automatic fuel gas and flue gas concentration detection is carried out by detecting circuit；
B, Concentration Testing is judged, if not exceeded, return to step a, if flue gas concentration is exceeded, starts lampblack absorber
Work；
C, when lampblack absorber works, while warning circuit is started；
D, fuel gas and flue gas concentration detection are persistently carried out, as exceeded, lampblack absorber is operated, and is stopped if not exceeded
Only lampblack absorber works.
As the improvement of the above method, in step a, lampblack absorber automatic mode and manually is realized by single-pole double-throw switch (SPDT)
The switching of pattern.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
- A kind of 1. automatic cooker hood, it is characterised in that：Include shell, in the housing formed with cavity, described Air exhauster is provided with cavity, the air exhauster is by pipeline and cavity ft connection, for oil smoke to be pumped into cavity, in institute State and oil removing rotating disk is provided with below air exhauster, edible vegetable oil liquid, the lower half of the oil removing rotating disk are filled with the bottom of chamber of the cavity Part is immersed in edible vegetable oil liquid, and the top half of the oil removing rotating disk is then exposed to the ullage of edible vegetable oil liquid, in the cavity Filter screen is provided with below the liquid level of the edible vegetable oil liquid, formed with some filter bores, the top diameter of the filter bores on filter screen It is less than base diameter, the density of sump oil is greater than the density of edible vegetable oil liquid, and the sump oil can infiltrate into filter screen from filter bores Lower section, oil exit pipe is connected with the cavity bottom, electrically operated valve is provided with the oil exit pipe.
- 2. automatic cooker hood according to claim 1, it is characterised in that：It is provided with the oil removing rotating disk multiple Blade, the blade is circumferentially evenly distributed around the center of the oil removing rotating disk, in the blade surface covered with activated carbon, is used for Oil smoke is adsorbed, when cavity extraneous gas is pumped into cavity by air exhauster, the exchange energy of air-flow facilitates the oil removing to turn inside and outside cavity Disk rotates.
- 3. automatic cooker hood according to claim 1, it is characterised in that：Inlet is offered on the housing, Edible vegetable oil liquid energy is entered in cavity by inlet.
- 4. a kind of control circuit of automatic cooker hood as claimed in claim 1, include detection circuit, temperature control circuit, Warning circuit and circuit for controlling motor, the detection circuit include inductance T, are electrically connected with city, are coupled with the inductance T Gas sensing resistance, diode group and electric capacity are also coupled on inductance T, the diode group and electric capacity and the gas sensing resistance are simultaneously Connection；The temperature control circuit is coupled on detection circuit, and the temperature control circuit includes thermistor R7；The warning circuit is coupled between detection circuit and temperature control circuit, and the circuit for controlling motor is coupled in detection circuit On.
- 5. a kind of method of work that fume eliminating is carried out based on control circuit as claimed in claim 4, includes following steps：A, automatic fuel gas and flue gas concentration detection is carried out by detecting circuit；B, Concentration Testing is judged, if not exceeded, return to step a, if fuel gas or flue gas concentration are exceeded, started Lampblack absorber works；C, when lampblack absorber works, while warning circuit is started；D, fuel gas and flue gas concentration detection are persistently carried out, as exceeded, lampblack absorber is operated, and stops oil if not exceeded Cigarette machine works.
- 6. the method for work of fume eliminating according to claim 5, it is characterised in that：In step a, opened by single-pole double throw Close the switching for realizing lampblack absorber automatic mode and manual mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444109.4A CN107860047A (en) | 2017-12-27 | 2017-12-27 | A kind of method of work of automatic cooker hood and its control circuit and fume eliminating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444109.4A CN107860047A (en) | 2017-12-27 | 2017-12-27 | A kind of method of work of automatic cooker hood and its control circuit and fume eliminating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107860047A true CN107860047A (en) | 2018-03-30 |
Family
ID=61707461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711444109.4A Pending CN107860047A (en) | 2017-12-27 | 2017-12-27 | A kind of method of work of automatic cooker hood and its control circuit and fume eliminating |
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| Country | Link |
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| CN (1) | CN107860047A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648420A (en) * | 2018-04-23 | 2018-10-12 | 温州巅锋电推剪有限公司 | A kind of fuel gas initial stage leak detection and exhaust system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204214008U (en) * | 2014-10-25 | 2015-03-18 | 穆国振 | A kind of automatic cooker hood with degreasing unit |
| CN105402793A (en) * | 2015-12-16 | 2016-03-16 | 成都飞凯瑞科技有限公司 | Multifunctional automatic range hood control system |
| CN205351434U (en) * | 2015-11-09 | 2016-06-29 | 杨建� | Filtration formula range hood |
| CN106461234A (en) * | 2014-05-01 | 2017-02-22 | 布罗恩-努托恩有限责任公司 | Sensor-enabled range hood system and method |
| WO2017116351A1 (en) * | 2015-12-29 | 2017-07-06 | Arcelik Anonim Sirketi | A household appliance control unit |
| CN107166469A (en) * | 2017-07-24 | 2017-09-15 | 佛山市正略信息科技有限公司 | A kind of smoke exhaust ventilator oil groove high-efficiency washing device |
| CN107449009A (en) * | 2017-09-18 | 2017-12-08 | 于盟盟 | A kind of intelligent fume exhauster |
-
2017
- 2017-12-27 CN CN201711444109.4A patent/CN107860047A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106461234A (en) * | 2014-05-01 | 2017-02-22 | 布罗恩-努托恩有限责任公司 | Sensor-enabled range hood system and method |
| CN204214008U (en) * | 2014-10-25 | 2015-03-18 | 穆国振 | A kind of automatic cooker hood with degreasing unit |
| CN205351434U (en) * | 2015-11-09 | 2016-06-29 | 杨建� | Filtration formula range hood |
| CN105402793A (en) * | 2015-12-16 | 2016-03-16 | 成都飞凯瑞科技有限公司 | Multifunctional automatic range hood control system |
| WO2017116351A1 (en) * | 2015-12-29 | 2017-07-06 | Arcelik Anonim Sirketi | A household appliance control unit |
| CN107166469A (en) * | 2017-07-24 | 2017-09-15 | 佛山市正略信息科技有限公司 | A kind of smoke exhaust ventilator oil groove high-efficiency washing device |
| CN107449009A (en) * | 2017-09-18 | 2017-12-08 | 于盟盟 | A kind of intelligent fume exhauster |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648420A (en) * | 2018-04-23 | 2018-10-12 | 温州巅锋电推剪有限公司 | A kind of fuel gas initial stage leak detection and exhaust system |
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Application publication date: 20180330 |
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