CN204730287U - Automatic cleaning control device of range hood - Google Patents
Automatic cleaning control device of range hood Download PDFInfo
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- CN204730287U CN204730287U CN201520272421.XU CN201520272421U CN204730287U CN 204730287 U CN204730287 U CN 204730287U CN 201520272421 U CN201520272421 U CN 201520272421U CN 204730287 U CN204730287 U CN 204730287U
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- water
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- 238000004140 cleaning Methods 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 209
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000007858 starting material Substances 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 239000008236 heating water Substances 0.000 description 3
- 239000006233 lamp black Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Ventilation (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model discloses an automatic cleaning device of a range hood, which is used for cleaning a motor and a wind wheel and comprises a water container for containing water, a water pump for injecting water into the water container, a heater for heating the water container and a cleaning controller; the cleaning controller comprises a temperature detection module, a central processing module and a water pump switch driving module, wherein the temperature detection module is used for detecting the temperature of the water container before and after water is injected into the water container and detecting the temperature of the water before and after the water is injected into the water container, and the temperature data of the water container and the water are sent to the central processing module; the central processing module is used for processing the received temperature data of the water container and the water and outputting a water pump switch signal to the water pump switch driving module; the water pump switch driving module is used for driving the water pump to start or stop water injection according to the received water pump switch signal. The utility model discloses water route system, the little water yield of adaptation of adaptable difference wash, and vapor utilization rate is high, realize evenly wasing motor and wind wheel.
Description
Technical field
The utility model relates to the automatic cleaning technology field of range hood, refers to a kind of automatic cleaning control device of range hood especially.
Background technology
At present, most range hood all can be provided with cleaning device, this cleaning device is by controlling inflow, and heating water produces a series of programs such as the steam of softening greasy dirt, completes automatic range hood cleaning.
Existing automatic flushing device is all generally control inflow by controlling flooding time, but different water circuit systems, the flooding time needed is different, and to ensure that suction predetermined amount of water within the predetermined time also requires that water pump can normally work, and waterway pipe is without abnormal conditions such as blocking or bendings, otherwise cause inflow inaccurate.Therefore, controlling inflow by controlling flooding time, still there is larger defect.
In addition, range hood is when automatically cleaning, can evenly be cleaned to for making motor, wind wheel etc., require that motor and wind wheel are in rotary state, first kind of way is rotated to make it for adopting heating water generates steam or increase hydraulic pressure to spray motor, wind wheel, another kind of mode is then that starter motor rotates in the process of water spray vapour, but these two kinds of modes all exist certain defect.The first sprays the mode of motor and wind wheel, and due to the Long-Time Service of range hood, the weight of its motor and wind wheel is uncertain, and has greasy dirt bonding, will cause water vapour cannot spouted motor and wind wheel; Another kind starter motor in the process of steam generation, even if motor is beaten at minimum wind shelves, also enough makes the blade of lampblack absorber open, steam will be caused to be discharged casing, cannot play the effect of softening greasy dirt.
Application number is the patent of invention of 200810198961.2, disclose a kind of cleaning device for cooking fume exhauster and cleaning method thereof, it controls the rotating speed of motor in cleaning process by arranging cleaning procedure controller, according to the rotation speed requirements of different wash phases, the rotating speed of adjustment drive motors, avoid the cleaning solution making nozzle spray because rotating speed is too high cannot arrive wind wheel inside, also can avoid because rotating speed is too low, the impact of the cleaning solution that nozzle sprays and wind wheel is little and cannot rinse wind wheel greasy dirt, therefore makes cleaning performance good.But this patent unresolved foregoing inflow is inaccurate and steam is discharged casing and cannot softens the technical problem of greasy dirt.
Utility model content
The purpose of this utility model is the automatic flushing device providing a kind of range hood, its can adapt to different water circuit systems and solve water pump, waterpipe leads the inaccurate problem of the inflow often caused, it is more accurate to make to control into water, and cleaning performance is better.
For realizing above-mentioned technical purpose, the utility model adopts following technical scheme:
An automatic flushing device for range hood, for cleaning motor and wind wheel, comprises the water container for being filled with water, for water being injected into the water pump of water container and being used for heating the heater of water container; Described automatic flushing device also comprises cleaning controller, and described cleaning controller comprises temperature detecting module, central processing module and pump switch driver module; The temperature data of water container and water, for detecting the temperature of water container before water filling and after water filling, and for detecting water before being injected into water container and be injected into the temperature after water container, and is sent to central processing module by described temperature detecting module; Described central processing module is used for processing the temperature data of the water container received and water, and exports pump switch signal feed pump switch drive module; Described pump switch driver module is used for the pump switch signal according to receiving, and drives water pump open or close down water filling.
More preferably, described cleaning controller also comprises time control module, and described time control module opens the duration of water filling for detecting described water pump, and feeds back to described central processing module.
More preferably, described cleaning controller also comprises and to be controlled by described central processing module and for driving the heater-driven module of described heater work.
More preferably, described cleaning controller also comprises and to be controlled by described central processing module and for the motor drive module of drive motors work.
Compared with prior art, the utility model has following beneficial effect: control inflow by control temperature excursion, can adapt to different water circuit systems; Limiting water inlet duration by setting up time control module, water route abnormal causing can be avoided into water extremely, little water yield situation can be adapted to greatest extent, system also can normally be run when the little water yield; By when specific water temperature moment starter motor, make wind wheel when slowly running, water vapour can not directly be discharged, thus realizes the greasy dirt on uniformly softening and cleaning motor and wind wheel.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of cleaning controller of the present utility model;
Fig. 2 is the time-varying relationship figure of water temperature of the present utility model and wind speed round.
Accompanying drawing illustrates: 1-water pump, 2-heater, 3-motor, 4-wind wheel, 5-cleaning controller, 51-central processing module, 52-temperature detecting module, 53-pump switch driver module, 54-time control module, 55-heater-driven module, 56-motor drive module.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of automatic flushing device of range hood, for cleaning motor 3 and wind wheel 4, comprises the water container for being filled with water, for water being injected into the water pump 1 of water container, being used for heating the heater 2 of water container and cleaning controller 5.Wherein, as shown in Figure 1, cleaning controller 5 comprises central processing module 51, temperature detecting module 52, pump switch driver module 53.
Temperature detecting module 52 is for detecting the temperature T of water container before water filling
0 water containerwith water container temperature T after charging
1 water container, and for detecting the temperature T of water before being injected into water container
0 waterthe temperature T after water container is injected into water
1 water, and the temperature data of water container and water is sent to central processing module 51.
Central processing module 51 for processing the temperature data of the water container received and water, and exports pump switch signal feed pump switch drive module 53.Pump switch driver module 53, for according to the pump switch signal received, drives water pump open or close down water filling.This automatic flushing device controls inflow by the range of temperature controlling water container and water, and can adapt to the different water circuit system of various range hood, usability is stronger.
Further, cleaning controller 5 also comprises time control module 54, and time control module 54 opens the duration of water filling for detecting water pump 1, and feeds back to central processing module 51.Being controlled by variations in temperature, on the basis of inflow, to increase time restriction, by limiting water injection time length, water route abnormal causing can be avoided when the little water yield into water extremely, water circuit system also normally to be run.
Further, cleaning controller 5 also comprises heater-driven module 55, and heater-driven module 55 is controlled by central processing module 51 and for driving heater 2 to work.The control signal that this heater-driven module 55 can send according to central processing module 51, drive the unlatching of heater 2 or quit work and the power etc. of control heater 2, the degree of accuracy of further raising inflow, avoiding causing into water deficiency cannot normal wash range hood, and can avoid the waste too much damaging range hood and water resource into water.
Further, cleaning controller 5 also comprises motor drive module 56, and motor drive module 56 is controlled by central processing module 51, and works for drive motors 3.By the water in heating water container to produce steam, steam softens the greasy dirt on motor 3 and wind wheel 4 and discharges lampblack absorber.This motor drive module 56 is by central processing module 51 centralized Control, worked instantaneously by the starter motor 3 when specific water temperature, after disable motor 3, wind wheel 4 reduces gradually due to effect of inertia rotating speed, when steam produces, wind wheel 4 is tending towards low-speed running, and steam is evenly ejected on motor 3 and wind wheel 4, soften the greasy dirt on motor 3 and wind wheel 4, realize the effect of automatic cleaning kitchen ventilator.
Wherein, the concrete steps of this automatic flushing device are:
S1, central processing module 51 send heating start signal to heater-driven module 55, and heater-driven module 55 drives heater 2 to heat to water container according to heating start signal;
S2, temperature detecting module detect the temperature of water container in real time, and the temperature data detected is sent to central processing module 51;
S3, central processing module 51 read the Temperature numerical analyzing current water container, when the temperature of water container reaches T
0 water containertime, central processing module 51 exports heating stop signal to heater-driven module 55, and heater-driven module 55 makes heater 2 quit work according to heating stop signal;
S4, central processing module 51 send water pump start signal feed pump switch drive module 53, and pump switch driver module 53 drives water pump 1 to open work, and temperature is T by water pump 1
0 waterwater be injected in water container;
S5, temperature detecting module detect the real time temperature of water container and water respectively, when the temperature of water container reaches predetermined temperature T
1 water container, water temperature reaches predetermined temperature T
1 watertime, central processing module 51 sends water pump and closes down signal feed pump switch drive module 53, and drive water pump 1 to close down water filling, namely water container injects the water of scheduled volume;
S6, heater 2 heat and produce steam to the water in water container, the greasy dirt of cleaning motor 3 and wind wheel 4.
In the injecting process that range hood cleans automatically, because water container is different from the temperature of water, water container transfers heat to water, therefore the temperature of water container can constantly reduce, water temperature constantly raises, until the temperature of water container and water reaches uniform temperature, now the temperature of water container is T
1 water container, the temperature of water is T
1 water, according to interior energy computing formula Q=c*m* Δ T, then can draw following equation: c
water container* m
water container* (T
0 water container-T
1 water container)=c
water* m
water* (T
1 water-T
0 water), wherein c
water container, c
waterrepresent that water container and specific heat of water hold respectively, m
water container, m
waterrepresent the quality of water container and water respectively; Namely the temperature of water container is from T
0 water containerdrop to T
1 water containerthe heat energy of release equals the temperature of water from T
0 waterrise to T
1 waterthe heat energy absorbed.Thus can inflow be calculated by above formula
, can learn thus: initial water temperature is lower, and inflow is fewer; Initial water temperature is higher, and inflow is more.Therefore, cleaning controller 5 controls inflow by control temperature excursion, to adapt to different water circuit systems.
Further, when performing step S4, central processing module 51 also triggered time control module 54 starts to record and feeds back the duration of water pump 1 unlatching, opens duration reach predetermined value t when water pump 1
maxtime, central processing module 51 sends water pump and closes down signal feed pump switch drive module 53, drives water pump 1 to close down water filling.Controlling on the basis of inflow by variations in temperature, increasing time restriction, by limiting water injection time length, water route abnormal causing can avoided into water extremely, water circuit system also normally to be run when the little water yield.
Further, the time that above-mentioned steps S6 is started instantaneously by water temperature control motor cleans greasy dirt, and detailed process is:
S61, central processing module send heating start signal to heater-driven module 55, and heater-driven module 55 drives heater 2 to open work, are the water heating in water container;
S62, temperature detecting module 52 detect the temperature of the water in heating process in real time, and feedback data is to central processing module 51;
S63, when the temperature of the water in water container reaches predetermined temperature T1, central processing module 51 sends motor start signal and works with drive motors 3 to motor drive module 56, and wind wheel 4 rotating speed is N1;
Moment opened by S64, motor 3, and central processing module 51 sends motor control signal and sends motor to motor drive module 56 and close down signal to motor drive module 56, and motor 3 is quit work, and wind wheel 4 slows down under effect of inertia;
S65, when the temperature of the water in water container reach steam produce temperature time, the rotational speed decelerates of wind wheel 4 to N2, diffusion of vapor on motor 3 and wind wheel 4, soften greasy dirt;
S66, softening greasy dirt to be discharged outside lampblack absorber.
As shown in Figure 2, the rotating speed that the t1 moment starts blower fan is n1, disconnects motor 3 instantaneously, wind wheel 4 rotating speed can reduce gradually due to effect of inertia, drop to certain low speed point n2 through the Δ t time, in this process, the rotating speed of motor meets following relational expression substantially: n2=n1+k* Δ t, can draw
.
When another motor 3 starts, water temperature is T1, now heater 2 heats water with certain power P, through the Δ t time, water temp. heating to T2, according to can computing formula c*m* Δ T=Δ t*P in water, wherein c represents that specific heat of water holds, m represents the quality of water, and Δ T represents the temperature difference of water, Δ T=T2-T1, P represents heating power, can draw heat time Δ t=(c*m* Δ T)/P.
The time Δ t that heat time Δ t and motor self-starting rotating speed are reduced to certain low speed point is equal, i.e. (n2-n1)/k=(c*m* Δ T)/P;
Go out can be obtained fom the above equation:
, n1 is electric motor starting speed, and P is heating power, and m is the quality of water, c is that specific heat of water holds, and k is one and determines ratio, is known, and n2 is the low speed spot speed estimating to reach, temperature when T2 is steam generation, is generally 100 DEG C, so just can draws temperature spot during starter motor 3
, namely to be n2 spraying steam at fan speed, start a motor 3 when water temperature is T1.
The method of motor start-up time moment should be controlled by water temperature, by central processing module 51 centralized detecting water temperature and control motor 3 snap switch, can ensure when there being steam to spray, wind wheel 4 is just in the state slowly run, steam can be made evenly to be sprayed onto on motor 3 and wind wheel 4 and also to soften greasy dirt, be unlikely to again wind wheel to run up and cause steam to be directly discharged, its automatically clean evenly, effect is better.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (4)
1. an automatic flushing device for range hood, for cleaning motor and wind wheel, comprising the water container for being filled with water, for water being injected into the water pump of water container and being used for heating the heater of water container, it is characterized in that:
Described automatic flushing device also comprises cleaning controller, and described cleaning controller comprises temperature detecting module, central processing module and pump switch driver module,
The temperature data of water container and water, for detecting the temperature of water container before water filling and after water filling, and for detecting water before being injected into water container and be injected into the temperature after water container, and is sent to central processing module by described temperature detecting module;
Described central processing module is used for processing the temperature data of the water container received and water, and exports pump switch signal feed pump switch drive module;
Described pump switch driver module is used for the pump switch signal according to receiving, and drives water pump open or close down water filling.
2. the automatic cleaning control device of range hood according to claim 1, it is characterized in that: described cleaning controller also comprises time control module, described time control module opens the duration of water filling for detecting described water pump, and feeds back to described central processing module.
3. the automatic cleaning control device of range hood according to claim 1 and 2, is characterized in that: described cleaning controller also comprises and to be controlled by described central processing module and for driving the heater-driven module of described heater work.
4. the automatic cleaning control device of range hood according to claim 3, is characterized in that: described cleaning controller also comprises and to be controlled by described central processing module and for the motor drive module of drive motors work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272421.XU CN204730287U (en) | 2015-04-29 | 2015-04-29 | Automatic cleaning control device of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520272421.XU CN204730287U (en) | 2015-04-29 | 2015-04-29 | Automatic cleaning control device of range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204730287U true CN204730287U (en) | 2015-10-28 |
Family
ID=54388629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520272421.XU Withdrawn - After Issue CN204730287U (en) | 2015-04-29 | 2015-04-29 | Automatic cleaning control device of range hood |
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| CN (1) | CN204730287U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436126A (en) * | 2016-01-04 | 2016-03-30 | 广东美的厨房电器制造有限公司 | Cleaning system, range hood and control method thereof |
| CN106196203A (en) * | 2015-04-29 | 2016-12-07 | 华帝股份有限公司 | Automatic cleaning control device and method for range hood |
| CN107620997A (en) * | 2017-10-19 | 2018-01-23 | 广东美的厨房电器制造有限公司 | Range hood, the cleaning device of range hood and its control method |
| WO2019075991A1 (en) * | 2017-10-19 | 2019-04-25 | 广东美的厨房电器制造有限公司 | Range hood, range hood cleaning device and control method therefor |
| CN111486427A (en) * | 2019-01-28 | 2020-08-04 | 华帝股份有限公司 | Control method for steam generation stage in automatic cleaning process of range hood |
-
2015
- 2015-04-29 CN CN201520272421.XU patent/CN204730287U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196203A (en) * | 2015-04-29 | 2016-12-07 | 华帝股份有限公司 | Automatic cleaning control device and method for range hood |
| CN105436126A (en) * | 2016-01-04 | 2016-03-30 | 广东美的厨房电器制造有限公司 | Cleaning system, range hood and control method thereof |
| CN107620997A (en) * | 2017-10-19 | 2018-01-23 | 广东美的厨房电器制造有限公司 | Range hood, the cleaning device of range hood and its control method |
| WO2019075991A1 (en) * | 2017-10-19 | 2019-04-25 | 广东美的厨房电器制造有限公司 | Range hood, range hood cleaning device and control method therefor |
| CN111486427A (en) * | 2019-01-28 | 2020-08-04 | 华帝股份有限公司 | Control method for steam generation stage in automatic cleaning process of range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20180522 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20180522 |