CN206563327U - A kind of intelligent range hood - Google Patents

A kind of intelligent range hood Download PDF

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Publication number
CN206563327U
CN206563327U CN201720048753.9U CN201720048753U CN206563327U CN 206563327 U CN206563327 U CN 206563327U CN 201720048753 U CN201720048753 U CN 201720048753U CN 206563327 U CN206563327 U CN 206563327U
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CN
China
Prior art keywords
lubricating cup
pole plate
range hood
intelligent range
capacitance sensor
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.)
Expired - Fee Related
Application number
CN201720048753.9U
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Chinese (zh)
Inventor
朱泽春
陈震
马鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joyoung Co Ltd
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Joyoung Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201720048753.9U priority Critical patent/CN206563327U/en
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Publication of CN206563327U publication Critical patent/CN206563327U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of intelligent range hood, belong to machine for kitchen use field, solve the existing insecure problem of oil smoke oil cup of oil oil mass detection, intelligent range hood of the present utility model includes control unit and lubricating cup, also include capacitance sensor, capacitance sensor includes the first pole plate and the second pole plate, first pole plate and the second pole plate are arranged on the lubricating cup relative to one another, and corresponding capacitance signal can be produced according to liquid level change in the lubricating cup, control unit is detected according to the capacitance signal to lubricating cup and/or oil mass.The utility model embodiment can be applied to all kinds of lampblack absorber products such as top suction type lampblack absorber, side-suction type range hood.

Description

A kind of intelligent range hood
【Technical field】
The utility model is related to a kind of machine for kitchen use, more particularly 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 for purifying kitchen environment, can be by stove The harmful oil smoke produced in the waste and cooking process of stove burning is taken away rapidly, and discharge is outdoor, reduces pollution, purification Air.Oil smoke separating mechanism is provided with most range hoods, oil smoke separating mechanism is used to adsorb in the oil smoke in air, absorption Oil smoke become liquid oil droplet, these oil droplets are finally collected among lubricating cup, lampblack absorber use certain time after, just need to be by lubricating cup Cleaning is taken out, to prevent the situation that fluid excessively overflows.Traditional method is that lubricating cup is arranged on outside lampblack absorber, with Lubricating cup oil mass is judged by means of the observation of user, in order to ensure lubricating cup is not spilt over, user needs often observation lubricating cup, if observation The possible oily spill-over of lubricating cup not in time goes out to pollute kitchen environment, and user experience is poor;When lubricating cup is arranged on inside cigarette machine, Then the whether oily full information of lubricating cup can not be obtained by frequent observation;Some existing lampblack absorbers are cleaned with regular lubricating cup Function is reminded, and its oil smoke function time is changed into lubricating cup oil mass by lampblack absorber, so that user is reminded between in due course, but the technology Oil mass detection precision easily disturbed by external factor.
【Utility model content】
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art and provide a kind of intelligent oil smoke Machine, accurately and effectively detects lubricating cup oil mass, improves lampblack absorber ease of use.
Above-mentioned technical problem is solved, the utility model is adopted the following technical scheme that:
A kind of intelligent range hood, including control unit and lubricating cup, the intelligent range hood also include:
Capacitance sensor, including the first pole plate and the second pole plate, first pole plate and the second pole plate are pacified relative to one another On the lubricating cup, and corresponding capacitance signal can be produced according to liquid level change in the lubricating cup,
Described control unit is detected according to the capacitance signal to lubricating cup and/or oil mass.
In above-mentioned intelligent range hood, it is relative that first pole plate and second pole plate are separately mounted to the lubricating cup The outside of two side.
In above-mentioned intelligent range hood, first pole plate is arranged on the rim of a cup of the lubricating cup or neighbouring rim of a cup position Put, second pole plate is arranged on the lubricating cup bottom wall outer.
In above-mentioned intelligent range hood, one of them is grounding electrode for first pole plate and second pole plate, separately One is signal electrode, and the grounding electrode ground connection is set.
In above-mentioned intelligent range hood, the lampblack absorber is provided with guidance panel, and the grounding electrode compares the signal Electrode is closer to the guidance panel.
In above-mentioned intelligent range hood, the capacitance sensor is provided with least two groups, and this at least two groups electric capacity are passed Sensor is arranged at intervals along the lubricating cup length direction.
In above-mentioned intelligent range hood, the capacitance sensor is provided with two groups, and respectively in the lubricating cup length side To two ends be arranged in pairs.
In above-mentioned intelligent range hood, described control unit includes main control chip and signal processing module, the signal Processing module changes output signal according to the capacitance signal of the capacitance sensor, and the main control chip is according to the output signal Lubricating cup and/or oil mass are detected.
In above-mentioned intelligent range hood, the signal processing module includes process chip and RC circuits, and the electric capacity is passed Sensor is connected with the RC circuits, and the discharge and recharge time of the capacitance sensor changes the process chip output end frequency, institute Main control chip is stated to be compared with the output end frequency according to its initial value that prestores, and according to comparative result to lubricating cup and/or Oil mass is detected.
In above-mentioned intelligent range hood, the intelligent range hood also includes body, and the body is provided with lubricating cup groove, institute State lubricating cup to be detachably mounted in the lubricating cup groove, be provided with the first contact and the second contact in the lubricating cup groove relative to one another, When the lubricating cup loads the lubricating cup groove, first pole plate and the second pole plate correspond to contact first contact and described respectively Second contact, so that the capacitance sensor electrically connects described control unit.
The beneficial effects of the utility model:
Intelligent range hood of the present utility model, including control unit, lubricating cup and capacitance sensor, capacitance sensor include First pole plate and the second pole plate, first pole plate and the second pole plate are arranged on the lubricating cup relative to one another, and can root Produce corresponding capacitance signal according to liquid level change in the lubricating cup, described control unit according to the capacitance signal to lubricating cup and/ Or oil mass is detected.Compared to existing detection means, the capacitance signal of capacitance sensor is reliable, induction precision is high, thus may be used To improve the precision of oil mass detection, influence of the external factor to oil mass detection is reduced, accurately lubricating cup oil mass is judged, with clear to user Wash and bring convenience, improve the ease of use of lampblack absorber;And compared to existing other capacitance detecting modes, for example, detect two Capacitance variation between pole plate caused by distance change, the utility model is by the first pole plate and the second pole plate of capacitance sensor It is directly installed on lubricating cup, mounting structure is simple, cost is low, capacitance sensor, which only relies on oil level in lubricating cup, to be changed and produce electric capacity Value changes, long-term use also can guarantee that good accuracy of detection, and the pole plate for solving existing activity installation exists after long-term use Malformation, causes the problem of accuracy of detection declines.
First pole plate and second pole plate are separately mounted to the outside of the lubricating cup two lateral walls.First pole plate is installed Rim of a cup or neighbouring rim of a cup position in the lubricating cup, second pole plate are arranged on the lubricating cup bottom wall outer.Both the above Mounting means is used on a selective basis, the first pole plate and the second pole according to the difference of the mounting structure of lubricating cup own structural characteristics and lubricating cup Plate do not contact directly with lubricating cup inner fluid, it is to avoid oil pollution, which easily causes pole plate adhesion, causes the problem of detection is failed.
One of them is grounding electrode for first pole plate and second pole plate, and another is signal electrode, described to connect Ground electrode ground connection is set.External interference signals are guided rapidly by grounding electrode, weaken influence of the interference source to capacitance signal.
The lampblack absorber is provided with guidance panel, and the grounding electrode compares the signal electrode closer to the operating surface Plate.Namely the side that grounding electrode is operated closer to user, reduce the interference brought during user's operation.
The capacitance sensor is provided with least two groups, and this at least two groups capacitance sensors are along the lubricating cup length side To interval setting.By the setting of multigroup capacitance sensor, it can effectively solve single-point detection and be caused under lubricating cup inclination conditions Detection difference, reduce the influence that brings of lubricating cup alignment error.
These features and advantage of the present utility model will be detailed in following embodiment, accompanying drawing exposure.
【Brief description of the drawings】
The utility model is described further below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of lubricating cup in the utility model embodiment one;
Fig. 2 is the schematic diagram of lampblack absorber control unit in the utility model embodiment one;
Fig. 3 is the first circuit form of signal processing module in the utility model embodiment one;
Fig. 4 is second of circuit form of signal processing module in the utility model embodiment one;
Fig. 5 is the third circuit form of signal processing module in the utility model embodiment one;
Fig. 6 is the flow chart of lampblack absorber intelligent decision in the utility model embodiment one.
【Embodiment】
The technical scheme of the utility model embodiment is explained with reference to the accompanying drawing of the utility model embodiment and Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment, Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to of the present utility model Protection domain.
In the following description, there is the instruction such as term " top ", " bottom ", " interior ", " outer ", " on ", " under " Orientation or position relationship are that, based on orientation shown in the drawings or position relationship, the description present invention merely for convenience and simplification are retouched State, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, Therefore it is not considered as limiting the invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it can not manage Solve to indicate or imply relative importance or the implicit quantity for indicating indicated technical characteristic, define " first ", " the One or more this feature can be expressed or be implicitly included to two " feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.
Embodiment one
Reference picture 1,2, the utility model embodiment one propose intelligent range hood, including control unit and lubricating cup 1 and Capacitance sensor C, wherein, capacitance sensor C includes the first pole plate 2 and the second pole plate being arranged on relative to one another on lubricating cup 1 3, capacitance sensor C can produce corresponding capacitance signal according to liquid level change in lubricating cup 1, and control unit is according to the capacitance signal Lubricating cup 1 and/or oil mass are detected.Here lampblack absorber can be also or existing with top suction type lampblack absorber, side-suction type range hood Other known lampblack absorber products of technology.Traditional lampblack absorber generally will observe lubricating cup oil level to judge oil by eyes of user Amount, in order to ensure lubricating cup is not spilt over, is just drawn off when often oil mass is less in lubricating cup, is made troubles to routine use, and And also cleaning is forgotten in presence, or the situation for forgetting to install has been cleaned after lubricating cup.The scheme of the present embodiment realize lubricating cup 1 and/ Or the automatic detection of the oil mass of lubricating cup 1, and compared to existing detection means, the capacitance signal of capacitance sensor is reliable, induction precision Height, it is possible thereby to improve the precision of oil mass detection, reduces influence of the external factor to oil mass detection, accurately judges lubricating cup oil mass, To be brought convenience to user's cleaning, the ease of use of lampblack absorber is improved;And compared to existing other capacitance detecting modes, example Capacitance variation, the utility model capacitance sensor C He of the first pole plate 2 as caused by detecting distance change between two pole plates Second pole plate 3 is directly installed on lubricating cup 1, and mounting structure is simple, cost is low, and capacitance sensor C only relies on oil level in lubricating cup 1 and become Change and produce capacitance variation, long-term use also can guarantee that good accuracy of detection, solve the pole plate of existing activity installation in length There is malformation after phase use, cause the problem of accuracy of detection declines.
In the specific implementation, first pole plate 2 and the second pole plate 3 of the present embodiment are separately mounted to the two lateral walls of lubricating cup 1 Outside, as shown in figure 1, the front-rear side walls in the width of lubricating cup 1 are respectively mounted the first pole plate 2 and the second pole plate 3, the first pole The pole plate 3 of plate 2 and second can be by bonding way directly against on the side-wall outer side face of lubricating cup 1, or on the side wall of lubricating cup 1 Fluting, the first pole plate 2 and the second pole plate 3 are inserted into groove respectively, and other fixed forms be not described in detail, as long as in theory can be by First pole plate 2 and the second pole plate 3 are fixed.
According to above-mentioned design principle, those skilled in the art's partial volume be readily conceivable that by the first pole plate be arranged on lubricating cup rim of a cup or Person is arranged on lubricating cup bottom wall outer, can equally realize above-mentioned detection function adjacent to rim of a cup position, the second pole plate.
Oil level form need not be designed on the automatic detection of lubricating cup 1 and its oil mass, lubricating cup 1 because the present embodiment is realized, oil It is more preferably attractive in appearance that 1 profile of cup can be done, and more preferably, the present embodiment is designed as hidden oil cup, i.e., hide lubricating cup 1 and be arranged on oil Cigarette machine internal body, is specifically that lubricating cup groove (figure is set on the body of lampblack absorber so as to lift the appearance property of lampblack absorber product Not shown in), lubricating cup 1 is detachably mounted in lubricating cup groove, is provided with the first contact and the second contact in lubricating cup groove relative to one another, When lubricating cup 1 loads lubricating cup groove, the first pole plate 2 and the second pole plate 3 correspond to the first contact of contact and the second contact respectively, so that electric Hold sensor electrical connection control unit, and after lubricating cup 1 is pulled down, control unit detection is then between the first contact and the second contact Capacitance.
In order to lift accuracy of detection, the present embodiment using the first pole plate 2 and the second pole plate 3 one of them as grounding electrode, And another is as signal electrode, grounding electrode ground connection is set, and grounding electrode can guide external interference signals rapidly, weakens dry Influence of the source to capacitance signal is disturbed, and in actual use, the operation of user can cause larger shadow to the signal of capacitance sensor Ring, so, above-mentioned grounding electrode compares signal electrode closer to the guidance panel of lampblack absorber, namely operated closer to user Side, reduces the interference brought during user's operation.
Capacitance sensor C electric capacity described in the present embodiment is ε s/d, and the ε in formula is the dielectric constant of contrasted between solid dielectric, and s is the Effective overlapping area of one pole plate 2 and the second pole plate 3, d is then the distance between the first pole plate 2 and the second pole plate 3, for this reality Apply for example, capacitance sensor C is arranged on lubricating cup 1, the spacing d of the first pole plate 2 and the second pole plate 3, and the He of the first pole plate 2 Effective overlapping area s of second pole plate 3 is definite value, and that produce change is only Jie between the first pole plate 2 and the second pole plate 3 Matter, therefore, in the present embodiment, as long as the dielectric property between the first pole plate 2 and the second pole plate 3 is also or medium amount changes Become, just capacitance sensor C capacitance can be made to change.When oil mass reduction in lubricating cup 1 or no lubricating cup 1, the first pole Dielectric constant between the pole plate 3 of plate 2 and second is smaller, and now capacitance is smaller;When the oil mass of lubricating cup 1 is more or reaches cleaning line When, the dielectric constant between the first pole plate 2 and the second pole plate 3 is larger, and now capacitance becomes big.
To realize that the judgement to capacitance sensor C capacitance signals is handled, the control unit of the present embodiment includes main control chip 4 With signal processing module 5, signal processing module 5 changes output signal, main control chip 4 according to capacitance sensor C capacitance signal Lubricating cup 1 and/or oil mass are detected according to output signal, wherein, the specific circuit form of signal processing module 5 is included but not It is limited to following scheme:
1st, reference picture 3, signal processing module 5 includes process chip and RC circuits, and capacitance sensor C is connected with RC circuits, Capacitance sensor C discharge and recharge time changes process chip output end frequency, main control chip 4 according to its prestore initial value with it is described Output end frequency is compared, and lubricating cup 1 and/or oil mass are detected according to comparative result, specifically:Process chip is Chip IC 555 or other there is the chips of similar functions, resistance R1, resistance R2 and capacitance sensor C are connected to process chip Go up and be configured to RC circuits.When the power is turned on, the 3 pin output high level of process chip, while power supply passes through resistance R1, resistance R2 charges to capacitance sensor C, when the voltage on capacitance sensor C reaches threshold voltage (2/3VCC) of process chip, place Reason chip controls capacitance sensor C is discharged, and 3 pin become low level by high level, when capacitance sensor C voltage drops to 1/ During 3VCC, 3 pin are changed into high level again, while power supply charges again by resistance R1, resistance R2 to capacitance sensor C, it is so all And renew, make the 3 pin formation vibration square wave Uo output of process chip, and change capacitance sensor C capacitance value, just can be with Change the frequency of the output waveform of signal processing module 5, namely process chip output end frequency.
2nd, reference picture 4, on the basis of first scheme, connected respectively on resistance R1, resistance R2 steering diode D1 and Steering diode D2, and the opposite polarity of the two steering diodes.In first scheme, adjusting resistance value and capacitance, all The discharge and recharge time can be changed, therefore the time constant of discharge and recharge can not be adjusted individually.And two poles of guiding are provided with this programme Pipe, resistance R1 and resistance R2 can be adjusted individually, in the case where resistance R1 is equal to resistance R2, and it is 50% that can obtain dutycycle Square wave.
3rd, reference picture 5, the multivibrator that signal processing module 5 is constituted using TTL data selectors, four alternatives, Every has 4, and every has D0, D1 two paths of data input and all the way output end P, and every has a selection control end A and one Function control end S;Resistance R and capacitance sensor C composition integration time delay processes, are controlled using capacitance sensor C discharge and recharge Control end A current potential VA is selected, it is changed in above and below threshold level VT2, so as to realize the continuous automatic turning generation side of circuit The output purpose of ripple signal.
In the output signal input main control chip 4 of signal processing module 5, main control chip 4 is by detecting the ripple of output signal Shape frequency size, can just judge currently whether install the actual oil mass in the either lubricating cup 1 of lubricating cup 1, and can be in the suitable time Remind user to carry out lubricating cup 1 to clean, reach the purpose of lampblack absorber intelligent control.
The lubricating cup 1 of lampblack absorber is general in strip, in theory for, as long as setting one group of capacitance sensor and it being carried out Detection just can carry out oil amount determination, but during actual use, be reduced after being installed in order to avoid lubricating cup 1 in length direction run-off the straight Detection accuracy, the capacitance sensor of the present embodiment is provided with least two groups, and this at least two groups capacitance sensors are along lubricating cup 1 Length direction is arranged at intervals.By the setting of multigroup capacitance sensor, single-point detection can be effectively solved in the inclination conditions of lubricating cup 1 Under the detection difference that causes, reduce the influence that the alignment error of lubricating cup 1 is brought, capacitance sensor is preferably provided with two groups, and respectively It is arranged in pairs at the two ends of the length direction of lubricating cup 1, takes into account detection accuracy and manufacturing cost.
Illustrate the intelligent decision principle of the present embodiment lampblack absorber, the initial frequency that setting main control chip 4 prestores with reference to Fig. 6 Rate is f0, and original frequency f0 is usually good according to the weight set of lubricating cup 13 of cleaning completely before lampblack absorber dispatches from the factory, master control core Piece 4 detects that the frequency of the output waveform of signal processing module 5 is f1 within the unit interval, from aforementioned schemes:Main control chip 4 is Intelligent decision is carried out according to the original frequency f0 and output frequency f1 of signal processing module 5 difference, that is, judges △ f=f0-f1's Size.
After lampblack absorber start, the frequency f1 of the output waveform of real time detection signal processing module 5, if △ f=f0-f1 < 0, Then judge be lubricating cup 1 without or system break down, lampblack absorber can set suggestion device, such as indicator lamp or buzzer Deng device, by the prompting of these suggestion devices, so that user pinpoints the problems in time, it is to avoid start in the case of without lubricating cup 1 Lampblack absorber and cause fluid instill dish;Also or when above-mentioned situation occur, lampblack absorber is forbidden to start oil smoke function, until oil Cup 1 is installed or failture evacuation.
If in the case where lubricating cup 13 is installed, and system is when normally running, then △ f=f0-f1 >=0, control unit is just Oil amount determination is carried out, oil mass is divided into 6 grades by the present embodiment, the corresponding △ f relations of each grade are as follows:
Work as M1>During △ f >=0, the oil mass detection of lubricating cup 1 is 0, and now the clean cleannes of lubricating cup 1 are 1 grade;
Work as M2>During △ f >=M1, the oil mass detection of lubricating cup 1 is 20%, and now the clean cleannes of lubricating cup 1 are 2 grades;
Work as M3>During △ f >=M2, the oil mass detection of lubricating cup 1 is 40%, and now the clean cleannes of lubricating cup 1 are 3 grades;
Work as M4>During △ f >=M3, the oil mass detection of lubricating cup 1 is 60%, and now the clean cleannes of lubricating cup 1 are 4 grades;
Work as M5>During △ f >=M4, the oil mass detection of lubricating cup 1 is 80%, and now the clean cleannes of lubricating cup 1 are 5 grades;
As △ f >=M5, the oil mass detection of lubricating cup 13 is 100%, and now the clean cleannes of lubricating cup 1 are 6 grades.
The clean cleannes of above lubricating cup 1 are bigger, then show that oil mass is more in lubricating cup 1, lampblack absorber can be provided for oil Oil mass carries out the display device that grade is shown in cup 1, and 6 indicator lamps or one are such as correspondingly arranged on the guidance panel of lampblack absorber Individual progress bar, the indicator lamp or progress bar precentagewise for lighting respective amount is shown, so that it is more intuitive to give user Oil mass information, so that user is cleaned according to actual conditions in suitable time, it is to avoid frequently unpick and wash the inconvenience that lubricating cup 1 is brought. The warning device that lampblack absorber is alarmed when can also be arranged on the oil of lubricating cup 1 completely, passes through the reminding effect of warning device, it is to avoid hair The oil of oil generation cup 1 is full and forgets the situation of cleaning, the oil mass grade of lubricating cup 1 of such as current detection for 6 grades, the i.e. oil mass of surface lubricating cup 1 It is full, user at this moment can be reminded to carry out lubricating cup 1 by devices such as indicator lamp or buzzers and cleaned.
After being used for a long time in view of lampblack absorber, the greasy dirt in lubricating cup 1 can not be cleaned up or need not thoroughly cleaned, this The original frequency f0 set when in the case of kind still according to product export is detected that it detects that the quasi- degree of accuracy can decline, lampblack absorber Settable initialization button, by the input instruction of the initialization button, such as long-press initialization button some seconds, system enters just Beginning state, control unit is corrected according to the lubricating cup 1 after cleaning to original frequency f0, it is ensured that after lampblack absorber long-term use still Possesses the high-precision oil mass detection function of lubricating cup 1, raising uses reliability.
Embodiment two
The intelligent range hood of the present embodiment, including body, control unit, lubricating cup and capacitance sensor, capacitance sensor Including the first pole plate and the second pole plate, the first pole plate and the second pole plate are arranged on body, can so make cup structure of extraction simpler Clean, profile is more attractive, preferably:Body is provided with lubricating cup groove, and lubricating cup is detachably mounted in lubricating cup groove, by the first pole plate and Two pole plates are separately mounted on lubricating cup cell wall relative to each other, such as the front-rear side walls of lubricating cup groove correspondence lubricating cup width, or Person is the roof and bottom wall of lubricating cup groove correspondence lubricating cup short transverse.The Cleaning Principle reference embodiment one of the present embodiment, herein not It is described in detail again.
Those skilled in the art's scheme according to above-described embodiment, also it is contemplated that by the first pole plate be arranged on lubricating cup wall and One of lubricating cup cell wall, the second pole plate is arranged on another correspondingly, can equally reach the purpose of this utility model.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to In this, it is familiar with the those skilled in the art and should be understood that the utility model includes but is not limited to accompanying drawing and above specific embodiment party Content described in formula.Any modification without departing from function and structure principle of the present utility model is intended to be included in claims Scope in.

Claims (10)

1. a kind of intelligent range hood, including control unit and lubricating cup, it is characterised in that the intelligent range hood also includes:
Capacitance sensor, including the first pole plate and the second pole plate, first pole plate and the second pole plate are arranged on relative to one another On the lubricating cup, and corresponding capacitance signal can be produced according to liquid level change in the lubricating cup,
Described control unit is detected according to the capacitance signal to lubricating cup and/or oil mass.
2. intelligent range hood as claimed in claim 1, it is characterised in that first pole plate and second pole plate are pacified respectively Mounted in the outside of the lubricating cup two lateral walls.
3. intelligent range hood as claimed in claim 1, it is characterised in that first pole plate is arranged on the rim of a cup of the lubricating cup Or neighbouring rim of a cup position, second pole plate is installed in the lubricating cup bottom wall outer.
4. intelligent range hood as claimed in claim 1, it is characterised in that first pole plate and second pole plate wherein one Individual is grounding electrode, and another is signal electrode, and the grounding electrode ground connection is set.
5. intelligent range hood as claimed in claim 4, it is characterised in that the lampblack absorber is provided with guidance panel, the ground connection Electrode compares the signal electrode closer to the guidance panel.
6. the intelligent range hood as described in one of claim 1 to 5, it is characterised in that the capacitance sensor is provided with least two Group, and this at least two groups capacitance sensors are arranged at intervals along the lubricating cup length direction.
7. intelligent range hood as claimed in claim 6, it is characterised in that the capacitance sensor is provided with two groups, and respectively It is arranged in pairs at the two ends of the lubricating cup length direction.
8. the intelligent range hood as described in one of claim 1 to 5, it is characterised in that described control unit includes main control chip And signal processing module, the signal processing module changes output signal according to the capacitance signal of the capacitance sensor, described Main control chip is detected according to the output signal to lubricating cup and/or oil mass.
9. intelligent range hood as claimed in claim 8, it is characterised in that the signal processing module includes process chip and RC Circuit, the capacitance sensor is connected with the RC circuits, and the discharge and recharge time of the capacitance sensor changes the processing core Piece output end frequency, the main control chip is compared according to its initial value that prestores with the output end frequency, and according to comparing As a result lubricating cup and/or oil mass are detected.
10. the intelligent range hood as described in one of claim 1 to 5, it is characterised in that the intelligent range hood also includes machine Body, the body is provided with lubricating cup groove, and the lubricating cup is detachably mounted in the lubricating cup groove, in the lubricating cup groove toward each other Ground is provided with the first contact and the second contact, when the lubricating cup loads the lubricating cup groove, the first pole plate and the second pole plate difference Correspondence contacts first contact and second contact, so that the capacitance sensor accesses described control unit.
CN201720048753.9U 2017-01-16 2017-01-16 A kind of intelligent range hood Expired - Fee Related CN206563327U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

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