CN205655367U - Intelligent range hood - Google Patents
Intelligent range hood Download PDFInfo
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- CN205655367U CN205655367U CN201620255535.8U CN201620255535U CN205655367U CN 205655367 U CN205655367 U CN 205655367U CN 201620255535 U CN201620255535 U CN 201620255535U CN 205655367 U CN205655367 U CN 205655367U
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- lubricating cup
- range hood
- pole plate
- intelligent range
- control unit
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- 230000001050 lubricating effect Effects 0.000 claims description 149
- 230000008859 change Effects 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 abstract description 60
- 239000006233 lamp black Substances 0.000 abstract description 60
- 238000000105 evaporative light scattering detection Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 71
- 239000000779 smoke Substances 0.000 description 16
- 239000003517 fume Substances 0.000 description 13
- 239000012530 fluid Substances 0.000 description 7
- 238000010411 cooking Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model discloses an intelligent range hood belongs to the machine for kitchen use field, has solved the insecure problem of current lampblack absorber oil cup oil mass detection, the utility model discloses an intelligent range hood include organism, the control unit and install in oil cup on the organism, intelligent range hood still includes capacitive sensor and processing circuit, capacitive sensor connects processing circuit's input, the control unit connects processing circuit's output, the capacitive sensor basis the weight of oil cup changes the detected signal that produces capacitance variation, the processing circuit basis the detected signal produces signal processing, the the control unit basis signal processing carries out intelligent judgment. The embodiment of the utility model provides a can be applied to that the formula lampblack absorber is inhaled on the top, all kinds of lampblack absorber products such as formula lampblack absorber are inhaled to the side.
Description
Technical field
This utility model relates to a kind of machine for kitchen use, particularly relates to a kind of intelligent range hood.
Background technology
Lampblack absorber is also known as range hood or smoke exhaust ventilator, and it is a kind of machine for kitchen use purifying kitchen environment, and the harmful oil smoke produced in the refuse that can be burnt by cooking stove and cooking process is taken away rapidly, outside discharge chamber, reduces and pollutes, purifies air.It is provided with oil smoke separating mechanism on most range hoods, oil smoke separating mechanism is for adsorbing the oil smoke in air, the oil smoke of absorption becomes liquid oil droplet, these oil droplets are finally collected in the middle of lubricating cup, after lampblack absorber uses certain time, just lubricating cup need to be taken out cleaning, to prevent the situation that fluid too much overflows.Traditional method only experience with user judges lubricating cup oil mass, does not spills in order to ensure lubricating cup, is just drawn off when often oil mass is less in lubricating cup, and user experience is poor；The function that more existing lampblack absorbers clean with regular lubricating cup is reminded, and its oil smoke function time is changed into lubricating cup oil mass by lampblack absorber, thus in due course between remind user, but the oil mass accuracy of detection of this technology is easily the highest by external factor interference, practicality.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art to provide a kind of intelligent range hood, and detection lubricating cup oil mass accurately and effectively improves lampblack absorber ease of use.
Solving above-mentioned technical problem, this utility model adopts the following technical scheme that
A kind of intelligent range hood, including body, control unit and the lubricating cup being installed on described body, described intelligent range hood also includes capacitance sensor and signal processing circuit, described capacitance sensor connects the input of described signal processing circuit, described control unit connects the outfan of described signal processing circuit, described capacitance sensor changes the detection signal producing electric capacitance change according to the weight of described lubricating cup, described signal processing circuit processes signal according to described detection signal generation, and described control unit carries out intelligent decision according to described process signal.
Further scheme, described lubricating cup is removably mounted on described body, according to described process signal, described control unit judges whether described lubricating cup is installed.
Further scheme, described intelligent range hood also includes for whether described lubricating cup is installed the suggestion device pointed out.
Further scheme, described control unit judges oil mass in described lubricating cup according to described process signal.
Further scheme, described intelligent range hood also includes for oil mass in described lubricating cup is carried out the display device that grade shows.
Further scheme, described intelligent range hood is additionally included in the alarm device carrying out reporting to the police when described lubricating cup oil is expired.
Further scheme, described capacitance sensor includes the first pole plate and the second pole plate, and the weight change of described lubricating cup changes described first pole plate and the relative spacing of the second pole plate, produces the detection signal of electric capacitance change with this.
Further scheme, described first pole plate is fixedly installed on described body, and described second pole plate is movably set on described body, is provided with flexible member between described first pole plate and the second pole plate, connecting on described second pole plate has displacement guide rod, described lubricating cup to be articulated on displacement guide rod；
Or, described first pole plate is fixedly installed on described body, and described second pole plate is fixedly installed on described lubricating cup, and described lubricating cup is elastically connected on described body.
Further scheme, described signal processing circuit is oscillating circuit, on described capacitance sensor, electric capacitance change changes the output frequency of described oscillating circuit, prestore in described control unit original frequency, and described control unit carries out intelligent decision according to the difference of original frequency Yu oscillating circuit output frequency.
Further scheme, described intelligent range hood is provided with initialization button, is instructed by the input of described initialization button, makes described control unit be corrected original frequency according to lubricating cup weight after cleaning.
The beneficial effects of the utility model:
Capacitance sensor and signal processing circuit are set in intelligent range hood of the present utility model, capacitance sensor connects the input of signal processing circuit, capacitance sensor changes the detection signal producing electric capacitance change according to the weight of lubricating cup, signal processing circuit processes signal according to described detection signal generation, the control unit of lampblack absorber carries out intelligent decision according to processing signal, it can be appreciated that this intelligent decision at least can include the judgement whether installed lubricating cup and to the judgement of oil mass in lubricating cup.The judgement whether lubricating cup is installed, specifically in the case of lubricating cup is installed and do not installed (lubricating cup weight is zero), capacitance sensor can produce two different detection signals respectively, so, according to the process signal of signal processing circuit feedback, the control unit of lampblack absorber just can judge whether lubricating cup is installed；To remind consumer detecting in time when lubricating cup is not installed；For the judgement of oil mass in lubricating cup, when specifically in lubricating cup, oil mass produces change, also there is respective change in lubricating cup overall weight, the change of lubricating cup overall weight causes capacitance sensor to produce different detection signals, by the control unit of lampblack absorber these detection signals are analyzed and just can determine whether out oil mass in lubricating cup, so that remind user clear up lubricating cup at suitable time, it is to avoid user's frequent clean lubricating cup and reduce Experience Degree；And compare existing detection means, the capacitance signal of capacitance sensor is reliable, induction precision is high, thus can improve the precision of oil mass detection, reduce the impact that oil mass is detected by external factor, accurately judge lubricating cup oil mass, bring convenience to clean to user, improve the ease of use of lampblack absorber.
Relying on the oil level automatic detection function of this utility model lampblack absorber, can save the oil level form on tradition lubricating cup, it is the most attractive in appearance that lubricating cup profile can be done, or design hidden oil cup, thus promotes the appearance property of lampblack absorber product.
Intelligent range hood of the present utility model also includes for whether described lubricating cup is installed the suggestion device pointed out, by the prompting of this suggestion device, it is simple to user pinpoints the problems in time, it is to avoid starts lampblack absorber in the case of being unkitted lubricating cup and causes fluid to instill dish.
Intelligent range hood of the present utility model also includes for oil mass in described lubricating cup is carried out the display device that grade shows.Show lubricating cup oil mass with grade display mode, give user more intuitive oil mass information, in order to user is carried out at suitable time according to practical situation, it is to avoid frequently unpick and wash the inconvenience that lubricating cup brings.
Intelligent range hood of the present utility model is additionally included in the alarm device carrying out reporting to the police when described lubricating cup oil is expired, by the reminding effect of alarm device, it is to avoid occurs lubricating cup oil full and forgets situation about cleaning.
Intelligent range hood of the present utility model is provided with initialization button, is instructed by the input of this initialization button, makes control unit be corrected original frequency according to lubricating cup weight after cleaning.Still possess high-precision lubricating cup oil mass detection function after ensureing lampblack absorber life-time service, improve dependability.
These features of the present utility model and advantage will be detailed in following detailed description of the invention, accompanying drawing exposure.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is described further:
Fig. 1 is the structural representation of lampblack absorber in this utility model embodiment one；
Fig. 2 is lubricating cup scheme of installation on lampblack absorber in this utility model embodiment one；
Fig. 3 is lampblack absorber circuit control principle figure in this utility model embodiment one；
Fig. 4 is the schematic diagram of signal processing circuit in this utility model embodiment one；
Fig. 5 is the flow chart of lampblack absorber intelligent decision in this utility model embodiment one；
Fig. 6 is lubricating cup scheme of installation on lampblack absorber in this utility model embodiment two；
Fig. 7 is lubricating cup scheme of installation on lampblack absorber in this utility model embodiment three.
Detailed description of the invention
The technical scheme of this utility model embodiment is explained and illustrated by the accompanying drawing below in conjunction with this utility model embodiment, but following embodiment is only preferred embodiment of the present utility model, and not all.Based on the embodiment in embodiment, those skilled in the art are obtained other embodiments on the premise of not making creative work, broadly fall into protection domain of the present utility model.
Embodiment one
With reference to Fig. 1, the lampblack absorber that this utility model embodiment one proposes is top suction type lampblack absorber, specifically include body and the lubricating cup 3 being arranged on body, body generally comprises upper outlet body 11, is located at the head 12 bottom upper outlet body 11, is located at the exhaust fume collecting hood 13 bottom head 12, exhaust fume collecting hood 13 is provided with air inlet, smoke deflector 2 is installed below air inlet, forms smoke collecting chamber between smoke deflector 2 and exhaust fume collecting hood 13, in upper outlet body 11, be additionally provided with blower fan system 4.During lampblack absorber work, blower fan system 4 works, and the oil smoke produced during cooking sucks air inlet through smoke collecting chamber, by blower fan system 4 discharge chamber outside, and the oils and fats filtered out from oil smoke falls on smoke deflector 2, flows to be collected in lubricating cup 3 along smoke deflector 2.Once lubricating cup 3 oil is full of and will clear up in time, follow-up is continuing with the situation that lampblack absorber arises that fluid overflows.But, traditional lampblack absorber eyes of user to be relied on is observed lubricating cup oil level and is carried out oil amount determination, does not spills in order to ensure lubricating cup, just it is drawn off when often in lubricating cup, oil mass is less, make troubles to routine use, and also exist and forget to clean, or forget situation about installing after having cleaned lubricating cup.
For this, the lampblack absorber of the present embodiment is also provided with capacitance sensor 5 and signal processing circuit 6, capacitance sensor 5 connects the input of signal processing circuit 6, the control unit 7 of lampblack absorber connects the outfan of signal processing circuit 6, capacitance sensor 5 changes the detection signal producing electric capacitance change according to the weight of lubricating cup 3, signal processing circuit 6 processes signal according to described detection signal generation, and control unit 7 carries out intelligent decision according to processing signal.In the present embodiment, this intelligent decision mainly includes the judgement whether installed lubricating cup 3 and to the judgement of oil mass in lubricating cup 3, wherein, the judgement whether lubricating cup 3 is installed, specifically in the case of lubricating cup 3 is installed and do not installed (lubricating cup 3 weight is zero), capacitance sensor 5 can produce two different detection signals respectively, and so, according to the process signal of signal processing circuit 6 feedback, the control unit 7 of lampblack absorber just can judge whether lubricating cup 3 is installed；To remind consumer detecting in time when lubricating cup 3 is not installed；For the judgement of oil mass in lubricating cup 3, when specifically in lubricating cup 3, oil mass produces change, also there is respective change in lubricating cup 3 overall weight, the change of lubricating cup 3 overall weight causes capacitance sensor 5 to produce different detection signals, by the control unit 7 of lampblack absorber these detection signals are analyzed and just can determine whether out oil mass in lubricating cup 3, so that remind user suitable time clear up lubricating cup 3, it is to avoid user's frequent clean lubricating cup 3 and reduce Experience Degree；And compare existing detection means, the capacitance signal of capacitance sensor 5 is reliable, induction precision is high, thus can improve the precision of oil mass detection, reduce the impact that oil mass is detected by external factor, accurately judge lubricating cup 3 oil mass, bring convenience to clean to user, improve the ease of use of lampblack absorber.
With reference to Fig. 2-4, when implementing, the capacitance sensor 5 of the present embodiment includes the first pole plate 51 and the second pole plate 52, and this first pole plate 51 is fixedly installed on body, and the second pole plate 52 is movably arranged on body, in conjunction with Fig. 1, as a example by the top suction type lampblack absorber of the present embodiment, when arranging the first pole plate 51, the first pole plate 51 can be fixed on the position that the corresponding lubricating cup 3 of exhaust fume collecting hood 13 is installed, and do insulation processing, such as, felt pad 55 etc. is set between the first pole plate 51 and exhaust fume collecting hood 13；After the first pole plate 51 position determines, being movably arranged on by the second pole plate 52 above first pole plate 51, such as, install vertical guide rail in exhaust fume collecting hood 13, the second pole plate 52 is assembled on guide rail and can slide up and down along guide rail.In order to make the change of lubricating cup 3 weight more directly be reacted to the change of spacing between the first pole plate 51 and second pole plate 52 of capacitance sensor 5, the present embodiment connects on the second pole plate 52 has displacement guide rod 54, lubricating cup 3 to be articulated on displacement guide rod 54.When displacement guide rod 54 does not mounts lubricating cup 3, between first pole plate 51 and the second pole plate 52, spacing is maximum, and after lubricating cup 3 mounts, along with lampblack absorber uses the increase of time, lubricating cup 3 inner fluid gets more and more, weight is increasing, and lubricating cup 3 action of gravity makes the second pole plate 52 progressively draw close to the first pole plate 51 on displacement guide rod 54.In general, the electric capacity of capacitance sensor is ε s/d, in formula, ε is the dielectric constant of contrasted between solid dielectric, the effective area that s is the first pole plate 51 and the second pole plate 52 covers mutually, d is then the distance between the first pole plate 51 and the second pole plate 52, for the present embodiment, capacitance sensor 5 is arranged on inside lampblack absorber, contrasted between solid dielectric is air and stablizes constant, once the first pole plate 51 and the second pole plate 52 only can produce relative displacement after installing, its effective area covered mutually is also definite value, as long as so making spacing d of the first pole plate 51 and the second pole plate 52 change, just the capacitance of capacitance sensor 5 can be made to change.
Additionally, it is additionally provided with flexible member between first pole plate 51 and the second pole plate 52, unpick and wash the reset of rear capacitance sensor 5 for lubricating cup 3, concrete, flexible member is spring 53, spring 53 is enclosed within displacement guide rod 54, spring 53 upper end offsets with the second pole plate 52, and spring 53 lower end offsets with the first pole plate 51, and spring 53 and the first pole plate 51 and the second pole plate 52 contact site all do insulation processing, in order to avoid capacitance signal is produced interference, it is ensured that signal reliability.The most in other embodiments, spring can also be connected directly between the first pole plate and the second pole plate, or is connected between the second pole plate and lampblack absorber body, as long as guaranteeing that spring is provided that the second pole plate is to the active force away from the first pole plate direction.
Principle according to scheme described above; being understood that the present embodiment arranges displacement guide rod 54 to transmit lubricating cup 3 action of gravity is a kind of relatively easy effective manner; but other drive mechanisms that this utility model is not limiting as beyond displacement guide rod are applied in such scheme; the frame for movement of such as current conventional lever, connecting rod and combinations thereof may serve to transmitting forces; these be those skilled in the art according to practical situation it is contemplated that and implement; the present embodiment is no longer described in detail, but these schemes still belong to protection domain of the present utility model.
Process for realizing the judgement to capacitance sensor 5 capacitance signal, the signal processing circuit 6 that the present embodiment is given is oscillating circuit, on capacitance sensor 5, electric capacitance change can change the output frequency of this oscillating circuit, prestore in the control unit 7 of lampblack absorber original frequency, and described control unit 7 carries out intelligent decision according to the difference of original frequency Yu oscillating circuit output frequency.Specifically: this oscillating circuit includes control chip IC555, being external in the resistance R1 of control chip IC555, resistance R2 and electric capacity C1, above-mentioned first pole plate 51 and the second pole plate 52 are electrically connected respectively on control chip IC555；nullResistance R1、Resistance R2 and capacitance sensor 5 constitute RC charge-discharge circuit，When the power is turned on，The 3 foot output high level of control chip IC555，Power supply passes through resistance R1 simultaneously、Resistance R2 charges to capacitance sensor 5，When the voltage on capacitance sensor 5 arrives threshold voltage (2/3VCC) of control chip IC555，Control chip IC555 controls capacitance sensor 5 and discharges，3 feet are become low level by high level，When the voltage of capacitance sensor 5 drops to 1/3VCC，3 feet become again high level，Power supply is again by resistance R1 simultaneously、Resistance R2 charges to capacitance sensor 5，So go round and begin again，3 feet making control chip IC555 form vibration square wave Uo output，And change the capacitance value of capacitance sensor 5，Just the frequency of oscillating circuit output waveform can be changed.
In the control unit 7 of the frequency input lampblack absorber of oscillating circuit output waveform, the control unit 7 of lampblack absorber is by the waveform frequency size of detection agitator output, actual oil mass in lubricating cup 3 after just judging currently whether to install lubricating cup 3 and install lubricating cup 3, remind the user that carrying out lubricating cup 3 cleans, and reaches the purpose of lampblack absorber Based Intelligent Control.
The lubricating cup 3 of lampblack absorber is typically strip, for in theory, as long as arranging a capacitance sensor 5 and it is detected just can carrying out oil amount determination, but time actually used, in order to avoid the uneven and dirty impact on weight of lubricating cup about 3, the present embodiment respectively arranges a capacitance sensor 5 at the two ends, bottom of exhaust fume collecting hood 13 and detects simultaneously, and the detection signal of comprehensive the two capacitance sensor 5 contrasts, it is possible to obtain the most real oil mass information.
The intelligent decision principle of the present embodiment lampblack absorber is described below in conjunction with Fig. 5, for ease of narration, the original frequency that setup control unit 7 prestores is f0, it is good according to the cleanest lubricating cup 3 weight set that original frequency f0 is usually before lampblack absorber dispatches from the factory, it is f1 that control unit 7 detects the frequency of oscillating circuit output waveform within the unit interval, from aforementioned schemes: control unit 7 is that the difference according to original frequency Yu oscillating circuit output frequency carries out intelligent decision, i.e. judges the size of △ f=f0-f1.
After lampblack absorber start, detect frequency f1 of oscillating circuit output waveform in real time, if △ f=f0-f1 ＜ 0, then judge it is that lubricating cup 3 is unkitted or system malfunctions, the present embodiment also includes, for whether lubricating cup 3 is installed the suggestion device pointed out, specifically may refer to show the device such as lamp or buzzer, by the prompting of this suggestion device at lampblack absorber, user is made to pinpoint the problems in time, it is to avoid to start lampblack absorber in the case of being unkitted lubricating cup 3 and cause fluid to instill dish.Further, occur above-mentioned ask situation time, it is also possible to forbid that lampblack absorber starts oil smoke function, until lubricating cup 3 installs or failture evacuation.
If in the case of lubricating cup 3 is installed, and when system is properly functioning, then △ f=f0-f1 >=0, control unit 7 just carries out oil amount determination, and oil mass is divided into 6 grades by the present embodiment, and △ f relation corresponding to each grade is as follows:
As M1 > △ f >=0 time, lubricating cup 3 oil mass is detected as 0, and now the clean cleannes of lubricating cup 3 are 1 grade；
As M2 > △ f >=M1 time, lubricating cup 3 oil mass is detected as 20%, and now the clean cleannes of lubricating cup 3 are 2 grades；
As M3 > △ f >=M2 time, lubricating cup 3 oil mass is detected as 40%, and now the clean cleannes of lubricating cup 3 are 3 grades；
As M4 > △ f >=M3 time, lubricating cup 3 oil mass is detected as 60%, and now the clean cleannes of lubricating cup 3 are 4 grades；
As M5 > △ f >=M4 time, lubricating cup 3 oil mass is detected as 80%, and now the clean cleannes of lubricating cup 3 are 5 grades；
As △ f >=M5, lubricating cup 3 oil mass is detected as 100%, and now the clean cleannes of lubricating cup 3 are 6 grades.
The above clean cleannes of lubricating cup 3 are the biggest, then show that lubricating cup 3 oil mass is the most, identify for ease of user, the lampblack absorber of the present embodiment also includes for oil mass in lubricating cup 3 is carried out the display device that grade shows, concrete can be to be correspondingly arranged 6 display lamps or a progress bar on the control panel of lampblack absorber, the lubricating cup 3 oil mass grade of such as current detection is 3 grades, then light 3 display lamps or progress bar precentagewise shows, thus give user more intuitive oil mass information, so that user is carried out at suitable time according to practical situation, avoid frequently unpicking and washing the inconvenience that lubricating cup 3 brings.More: the lampblack absorber of the present embodiment is additionally included in the alarm device carrying out reporting to the police when lubricating cup 3 oil is expired, by the reminding effect of alarm device, avoid occurring lubricating cup 3 oil full and forgetting situation about cleaning, lubricating cup 3 oil mass grade such as current detection is 6 grades, i.e. surface lubricating cup 3 oil mass is the fullest, at this moment user can be reminded to carry out lubricating cup 3 by the device such as display lamp or buzzer and clean.
After lampblack absorber life-time service, greasy dirt in lubricating cup 3 cannot clean up or need not thoroughly to clean, the most still detect according to the original frequency f0 set during product export, its precision can decline, lampblack absorber for this present embodiment is also provided with initializing button, instructed by the input of this initialization button, as long by initializing button some seconds, system enters init state, original frequency f0 is corrected by control unit 7 according to lubricating cup 3 weight after cleaning, high-precision lubricating cup 3 oil mass detection function is still possessed after ensureing lampblack absorber life-time service, improve dependability.
It is appreciated that above-mentioned oil mass grade can need to carry out increasing or reducing according to actual product.
Embodiment two
With reference to Fig. 6, the present embodiment lampblack absorber is roughly the same with embodiment one, difference is, first pole plate 51 of capacitance sensor is fixedly disposed on body, second pole plate 52 is fixedly disposed on lubricating cup 3, lubricating cup 3 is elastically connected on body, so-called elastic connection, left bottom exhaust fume collecting hood 13 specifically, right both sides respectively arrange a peg, peg is connected with exhaust fume collecting hood 13 by spring, spring provides peg active force upwards, lubricating cup 3 two ends are articulated on the peg of correspondence realize installing respectively, second pole plate 52 may be provided at lubricating cup 3 top or bottom, corresponding second pole plate 52 of first pole plate 51 is arranged on exhaust fume collecting hood 13, and do insulation processing.It is so designed that, just during mounting lubricating cup 3, between first pole plate 51 and the second pole plate 52, spacing is minimum, along with lampblack absorber uses the increase of time, lubricating cup 3 inner fluid gets more and more, and weight is increasing, and lubricating cup 3 sinks to making spacing between the first pole plate 51 and the second pole plate 52 increasing, thus making capacitance sensor 5 produce the change of capacitance, its Cleaning Principle is referred to embodiment one.
Embodiment three
nullWith reference to Fig. 7，The present embodiment lampblack absorber is roughly the same with embodiment one，Difference is，First pole plate 51 of capacitance sensor is fixedly disposed on body，Second pole plate 52 is fixedly disposed on lubricating cup 3，Lubricating cup 3 is elastically connected on body，The lubricating cup 3 of the present embodiment uses concealed design，Thus promote lampblack absorber appearance property，Specifically，The present embodiment body also includes oil cup seat 14，Oil cup seat 14 is retractably installed on exhaust fume collecting hood，Outside i.e. oil cup seat 14 can stretch out exhaust fume collecting hood or inside retraction exhaust fume collecting hood，Oil cup seat 14 is provided with storage tank 141，Lubricating cup 3 is freely placed in storage tank 141，Storage tank 141 diapire is provided with resilient support assemblies 142 for supporting lubricating cup 3，First pole plate 51 is fixedly disposed at storage tank 141 diapire，Corresponding first pole plate 51 of second pole plate 52 is fixedly installed on bottom lubricating cup 3 or top，It is so designed that，When just placing lubricating cup 3，Between first pole plate 51 and the second pole plate 52, spacing is maximum，Along with lampblack absorber uses the increase of time，Lubricating cup 3 inner fluid gets more and more，Weight is increasing，Lubricating cup 3 sinks to making spacing between the first pole plate 51 and the second pole plate 52 more and more less，Capacitance sensor 5 is thus made to produce the change of capacitance，Its Cleaning Principle is referred to embodiment one.
Embodiment described above is not limited on top suction type lampblack absorber use, it is also possible to be applied to side-suction type range hood.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model is not limited thereto, it is familiar with this those skilled in the art and should be understood that this utility model includes but not limited to accompanying drawing and content described in detailed description of the invention above.Any amendment without departing from function of the present utility model and structural principle is intended to be included in the scope of claims.
Claims (10)
1. an intelligent range hood, including body, control unit and the lubricating cup being installed on described body, it is characterized in that, described intelligent range hood also includes capacitance sensor and signal processing circuit, described capacitance sensor connects the input of described signal processing circuit, described control unit connects the outfan of described signal processing circuit, described capacitance sensor changes the detection signal producing electric capacitance change according to the weight of described lubricating cup, described signal processing circuit processes signal according to described detection signal generation, described control unit carries out intelligent decision according to described process signal.
2. intelligent range hood as claimed in claim 1, it is characterised in that described lubricating cup is removably mounted on described body, according to described process signal, described control unit judges whether described lubricating cup is installed.
3. intelligent range hood as claimed in claim 2, it is characterised in that described intelligent range hood also includes for whether described lubricating cup is installed the suggestion device pointed out.
4. intelligent range hood as claimed in claim 1, it is characterised in that described control unit judges oil mass in described lubricating cup according to described process signal.
5. intelligent range hood as claimed in claim 4, it is characterised in that described intelligent range hood also includes for oil mass in described lubricating cup is carried out the display device that grade shows.
6. intelligent range hood as claimed in claim 4, it is characterised in that described intelligent range hood is additionally included in the alarm device carrying out reporting to the police when described lubricating cup oil is expired.
7. the intelligent range hood as described in one of claim 1 to 6, it is characterized in that, described capacitance sensor includes the first pole plate and the second pole plate, and the weight change of described lubricating cup changes described first pole plate and the relative spacing of the second pole plate, produces the detection signal of electric capacitance change with this.
8. intelligent range hood as claimed in claim 7, it is characterized in that, described first pole plate is fixedly installed on described body, described second pole plate is movably set on described body, it is provided with flexible member between described first pole plate and the second pole plate, connecting on described second pole plate has displacement guide rod, described lubricating cup to be articulated on displacement guide rod；
Or, described first pole plate is fixedly installed on described body, and described second pole plate is fixedly installed on described lubricating cup, and described lubricating cup is elastically connected on described body.
9. the intelligent range hood as described in one of claim 1 to 6, it is characterized in that, described signal processing circuit is oscillating circuit, on described capacitance sensor, electric capacitance change changes the output frequency of described oscillating circuit, prestore in described control unit original frequency, and described control unit carries out intelligent decision according to the difference of original frequency Yu oscillating circuit output frequency.
10. intelligent range hood as claimed in claim 9, it is characterised in that described intelligent range hood is provided with initialization button, is instructed by the input of described initialization button, makes described control unit be corrected original frequency according to lubricating cup weight after cleaning.
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| CN201620255535.8U CN205655367U (en) | 2016-03-30 | 2016-03-30 | Intelligent range hood |
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| CN201620255535.8U CN205655367U (en) | 2016-03-30 | 2016-03-30 | Intelligent range hood |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439975A (en) * | 2016-11-11 | 2017-02-22 | 广东万家乐燃气具有限公司 | Extractor hood with weighing sensor and cleaning reminding function and cleaning reminding method of extractor hood |
| CN108645671A (en) * | 2018-08-17 | 2018-10-12 | 佛山市云米电器科技有限公司 | A kind of multiple spot detection type catchment cup |
| CN108800260A (en) * | 2018-08-17 | 2018-11-13 | 佛山市云米电器科技有限公司 | A kind of real-time oil quantity display catchment cup with prompting function |
| CN108916958A (en) * | 2018-08-17 | 2018-11-30 | 佛山市云米电器科技有限公司 | A kind of closed type mode of wireless transmission catchment cup |
| CN109028198A (en) * | 2018-08-17 | 2018-12-18 | 佛山市云米电器科技有限公司 | A kind of oil is full from reminding type catchment cup |
| WO2019231654A1 (en) * | 2018-06-01 | 2019-12-05 | Carrier Corporation | Exhaust hood with weight sensor |
| CN112361413A (en) * | 2020-12-10 | 2021-02-12 | 珠海格力电器股份有限公司 | Range hood cleaning method and device and range hood |
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2016
- 2016-03-30 CN CN201620255535.8U patent/CN205655367U/en not_active Expired - Fee Related
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| CN106439975A (en) * | 2016-11-11 | 2017-02-22 | 广东万家乐燃气具有限公司 | Extractor hood with weighing sensor and cleaning reminding function and cleaning reminding method of extractor hood |
| WO2019231654A1 (en) * | 2018-06-01 | 2019-12-05 | Carrier Corporation | Exhaust hood with weight sensor |
| US11698196B2 (en) | 2018-06-01 | 2023-07-11 | Carrier Corporation | Exhaust hood weight sensor |
| CN108645671A (en) * | 2018-08-17 | 2018-10-12 | 佛山市云米电器科技有限公司 | A kind of multiple spot detection type catchment cup |
| CN108800260A (en) * | 2018-08-17 | 2018-11-13 | 佛山市云米电器科技有限公司 | A kind of real-time oil quantity display catchment cup with prompting function |
| CN108916958A (en) * | 2018-08-17 | 2018-11-30 | 佛山市云米电器科技有限公司 | A kind of closed type mode of wireless transmission catchment cup |
| CN109028198A (en) * | 2018-08-17 | 2018-12-18 | 佛山市云米电器科技有限公司 | A kind of oil is full from reminding type catchment cup |
| CN108645671B (en) * | 2018-08-17 | 2024-02-23 | 佛山市云米电器科技有限公司 | Multi-point detection type oil collecting cup |
| CN112361413A (en) * | 2020-12-10 | 2021-02-12 | 珠海格力电器股份有限公司 | Range hood cleaning method and device and range hood |
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