CN110529903A - Range hood, control method thereof and check valve assembly - Google Patents
Range hood, control method thereof and check valve assembly Download PDFInfo
- Publication number
- CN110529903A CN110529903A CN201910890171.9A CN201910890171A CN110529903A CN 110529903 A CN110529903 A CN 110529903A CN 201910890171 A CN201910890171 A CN 201910890171A CN 110529903 A CN110529903 A CN 110529903A
- Authority
- CN
- China
- Prior art keywords
- check
- range hood
- check valve
- baffle
- valves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims description 13
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000003517 fume Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000010411 cooking Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
- F16K15/036—Dual valve members with hinges crossing the flow line substantially diametrical
- F16K15/038—Dual valve members with hinges crossing the flow line substantially diametrical having a common hinge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ventilation (AREA)
Abstract
The invention provides a range hood, a control method thereof and a check valve assembly, wherein the check valve assembly comprises: the check valve body is provided with a connecting port for communicating the range hood with the outside; the check valve blocking piece can rotatably cover the connecting port through a rotating shaft arranged on the check valve body; and the angle detection device is arranged between the check valve separation blade and the check valve body so as to detect the opening angle of the check valve separation blade relative to the connecting port. By the arrangement, the pressure condition at the connecting port can be judged through the opening angle of the check valve baffle, so that an accurate basis is provided for adjusting the working power of the range hood.
Description
Technical field
The present invention relates to kitchen appliance technical fields, and in particular to a kind of range hood and its control method, check valve set
Part.
Background technique
Now, more and more people put the air quality of improvement domestic environment in very important position, especially
Kitchen as family's Air Contamination most serious.Since kitchen can generate oil smoke, danger of the kitchen fume to human body in cooking
Evil is very big, and people generally select range hood to purify kitchen environment.With the development of society, range hood has been used as city
The kitchen appliance of city's life kitchen indispensability.
The range hood of present most of resident families is connected to common flue by smoke-exhaust pipeline and check-valves, in height of cooking
Pressure when the peak phase in common flue is larger, when smoke-exhaust pipeline air outlet pressure is larger while blower output power is smaller
When, check-valves baffle on check-valves since the relationship of pressure difference cannot fully open, so as to cause check-valves baffle clamping stagnation and
The problems such as difficult is opened, and then it is unsmooth to will lead to range hood smoke evacuation.
In consideration of it, usually by using increasing the mode of cooking-fume exhauster blower power so that check-valves fully opens, thus
Guarantee that range hood smoke evacuation is smooth when pressure is larger in common flue.However fume-exhausting can be made simultaneously by increasing range hood power
The noise of machine and vibration, energy consumption etc. increase, and influence the routine use experience of user；So when pressure is smaller in common flue,
User can wish kitchen ventilator low power run.The above-mentioned adjusting in relation to range hood power is mostly that user judges according to use experience
It adjusts, i.e., according to range hood working condition and working time, lacks corresponding foundation, accuracy is poor.
Therefore, how rationally to judge to locate smoke-exhaust pipeline air outlet pressure size to be in turn to adjust range hood operating power to mention
The problem of becoming urgent need to resolve for accurate foundation.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcome it is in the prior art in order to guarantee check-valves work normally
And adjust range hood power and rely on user's use experience more, lack the defect of accurate foundation, to provide a kind of range hood
And its control method, check valve assembly.
A kind of check valve assembly for range hood provided by the invention, comprising:
Non-return valve body has and is connected to the range hood and extraneous connector；
Check-valves baffle, the shaft by being set to the non-return valve body are rotatably covered in the connector；
Angle detection device is set between the check-valves baffle and the non-return valve body to detect the check-valves
Opening angle of the baffle relative to the connector.
Optionally, the angle detection device is the angle sensor being set between the check-valves baffle and the shaft
Device.
Optionally, the check-valves baffle includes the first flap and second for being rotatably set to the shaft two sides respectively
Baffle.
Optionally, the angle detection device includes being respectively arranged between the first flap and the second flap
First angle sensor and second angle sensor.
Optionally, the connector is circular open, and the shaft is set to connector diameter position, described
First flap and the second flap are semi-circular plate structure corresponding with the connector.
Present invention simultaneously provides a kind of range hood control method, the range hood includes described in any of the above embodiments stops
Valve module is returned, and, for aspirating the blower of oil smoke；
Control method includes:
Obtain the opening angle of check-valves baffle；
Judge check-valves baffle opening angle whether less than the first setting value；
If so, control increases the input power of blower.
Optionally, further includes:
If so, being back to " opening angle for obtaining check-valves baffle " step, and record first circulation number.
Optionally, further include
When first circulation number reaches the first preset times, control issues the error message of check-valves baffle clamping stagnation.
Optionally, further includes:
Control range hood shutdown；
Obtain the opening angle of check-valves baffle；
Whether the opening angle for judging check-valves baffle is 0；
If it is not, control blower is restarted.
Optionally, further includes:
If it is not, returning to " shutdown of control range hood " step after control blower restarts the first setting time of operation, and record
Second circulation number.
Optionally, further includes:
When second circulation number reaches the second preset times, control issues check-valves baffle and closes abnormal mistake letter
Breath.
The present invention also provides a kind of range hoods that comes, and include check valve assembly described in any of the above embodiments, and/or, it holds
The controller of control method described in row any of the above-described.
Technical solution of the present invention has the advantages that
1. a kind of check valve assembly provided by the invention comprising: non-return valve body, have be connected to the range hood with
Extraneous connector；Check-valves baffle, the shaft by being set to the non-return valve body are rotatably covered in the connector；
Angle detection device is set between the check-valves baffle and the non-return valve body opposite to detect the check-valves baffle
In the opening angle of the connector.So set, can determine whether the pressure at connector by the opening angle of check-valves baffle
Situation, to provide accurate foundation to adjust range hood operating power.
2. a kind of range hood control method provided by the invention comprising: obtain the opening angle of check-valves baffle；Sentence
Whether check-valves baffle opening angle break less than the first setting value；If so, control increases the input power of blower.It is designed in this way,
The size of air outlet for kitchen ventilator pressure can be judged according to check-valves opening angle, to realize the power root of cooking-fume exhauster blower
According to the automatic adjustment of air outlet pressure, guarantee range hood discharge fume guarantee under unobstructed basis blower reasonably run opportunity and
Runing time promotes user experience, energy saving.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of check valve assembly provided by the invention；
Fig. 2 is the partial enlarged view of a-quadrant in Fig. 1；
Fig. 3 is the structural schematic diagram of check valve assembly fully open state in Fig. 1；
Fig. 4 is the structural schematic diagram of the non-fully open state of check valve assembly in Fig. 1；
Fig. 5 is a kind of flow chart of range hood control method provided by the invention.
Description of symbols:
1- non-return valve body, 2- first flap, 3- shaft, 4- second flap, 5- angle detection device, 6- connection
Mouthful.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 to Fig. 4 shows a kind of check valve assembly embodiment provided by the invention.The check valve assembly includes check-valves
Ontology 1, shaft 3, check-valves baffle and angle detection device 5.
Wherein, non-return valve body 1 usually setting range hood smoke-exhaust pipeline air outlet and common flue between, thereon at
Type has the connector 6 of connection range hood smoke-exhaust pipeline air outlet and extraneous common flue, and common flue can be entity herein
Flue can also be exterior space.In the present embodiment, connector 6 is circular open, and diametrical position is provided with shaft 3.Shaft 3
Circular open is divided into identical two half-circle areas.Check-valves baffle includes first flap 2 and second flap 4.First flap 2
With second flap 4 it is respectively the semicircular plate-form structure of corresponding 3 two sides half-circle area of shaft, and is pivotally mounted to shaft 3.The
One baffle 2 and second flap 4 in 3 rotation processes, realize covering and unlatching to connector 6 around the shaft.First flap 2 and second
Torsional spring is additionally provided between baffle 4 and shaft 3, torsion spring set is equipped with shaft 3, and two effect ends press on 2 He of first flap respectively
Second flap 4.Under the action of torsional spring, first flap 2 and the covering closing connector 6 of second flap 4, to prevent normal condition
Under oil smoke flow backward.
As shown in Fig. 2, angle detection device 5 includes first jiao be respectively arranged between first flap 2 and second flap 4
Spend sensor and second angle sensor.First angle sensor and second angle sensor are revolved with corresponding baffle folding angle
Turn, can detecte corresponding baffle rotation angle, and transmit corresponding angle-data to controller；To obtain check-valves baffle phase
For the folding angle of connector 6,
As shown in Figure 1, the status diagram of closing connector 6 is completely covered for non-return valve guard piece, baffle is defined at this time
Opening angle is 0 degree.
Fig. 3 shows check-valves baffle fully open state schematic diagram, and check-valves baffle, which fully opens, indicates oil suction at this time
Smoke machine smoke evacuation is smooth, and the opening angle for defining baffle at this time is the first setting value.
Fig. 4 shows the status diagram that check-valves baffle does not fully open.The opening angle of check-valves baffle is answered at this time
Less than the first setting value.
Opening angle by detection check-valves baffle relative to connector 6, it can be determined that the pressure shape at connector 6
State.Specifically, when air outlet pressure is larger, check-valves baffle can be in non-open state, the opening angle of check-valves baffle
It should be less than the first setting value.When angle detection device 5 detects opening angle less than the first setting value, air outlet can be judged
Pressure is larger.To which the input power of adjustable cooking-fume exhauster blower is unobstructed to guarantee to discharge fume.
As can be seen from the above description, check valve assembly provided by the invention can detect the pressure condition at connector, to adjust
The input power of rectification campaign machine provides accurate judgment basis.
As another embodiment, connector 6 does not limit to circular open, and square aperture can also.Connecting shaft is not also limited to
In the position that diameter was arranged.Also, it can be only arranged at a check-valves baffle, correspondingly, angle detection device 5 is only arranged one
It is a.
Invention also provides a kind of range hood embodiment, which includes the check-valves in above-described embodiment
Component further includes the blower of suction oil smoke, and, the controller of control blower work.
The present invention also provides a kind of range hood control method embodiment, which is applied in above-described embodiment
Range hood, as shown in figure 5, the control method includes:
Step S10: the opening angle of check-valves baffle is obtained；
Step S20: judge check-valves baffle opening angle whether less than the first setting value；
Step S30: if so, control increases the input power of blower.
When air outlet for kitchen ventilator has pressure and cooking-fume exhauster blower output power is smaller, non-return valve guard will lead to
Piece can not be fully opened due to pressure difference, i.e., opening angle is less than the first setting value.Specifically, after range hood is opened,
The opening angle situation of 5 real-time Transmission check-valves baffle of angle detection device, when check-valves baffle fully opens, then it represents that cigarette
Machine smoke evacuation is smooth, and opening angle should be the first setting value at this time.When detecting that check-valves baffle does not fully open, then illustrate
Air port pressure is larger and blower output power is inadequate, and check-valves baffle clamping stagnation is caused to have some setbacks with smoke evacuation, at this time controller from
The dynamic input power for increasing blower, increasing input power can be realized by way of increasing input current, keep blower output bigger
Air quantity and wind pressure so that check-valves baffle fully opens.
As can be seen from the above description, the present invention according to check-valves opening angle so set, can judge range hood outlet air
The size of mouth pressure, so that the power for realizing cooking-fume exhauster blower is guaranteeing fume-exhausting according to the automatic adjustment of air outlet pressure
Machine guarantee blower under unobstructed basis of discharging fume reasonably runs opportunity and runing time, promotes user experience, energy saving.
Optionally, in some embodiments of the invention, the range hood control method further include:
If so, being back to " opening angle for obtaining baffle " step, and record first circulation number.
When first circulation number reaches the first preset times, control issues the error message of check-valves baffle clamping stagnation.
Controller increases the input power of blower automatically, so that range hood is exported bigger air quantity and wind pressure, and sentence simultaneously
Whether check-valves baffle fully opens after disconnected power increase, and check-valves baffle is again without complete after so recycling the first preset times
Full open, then illustrate check-valves baffle clamping stagnation, and controller control issues the error message for quoting check-valves baffle clamping stagnation.Mistake letter
Breath may include that buzz and/or display board show error code etc..
Through the above steps, the technical issues of detecting automatically and solving baffle clamping stagnation may be implemented.
Optionally, in some embodiments of the invention, the range hood control method further include:
Control range hood shutdown；
Obtain the opening angle of check-valves baffle；
Whether the opening angle for judging check-valves baffle is 0；
If it is not, control blower is restarted.
Optionally, if it is not, returning to " control smoking smoke machine shutdown " step after control blower restarts the first setting time of operation
Suddenly, and second circulation number is recorded.
Optionally, further includes:
When second circulation number reaches the second preset times, control issues check-valves baffle and closes abnormal mistake letter
Breath.
It is designed in this way, after range hood closing, check-valves baffle should be in closed state as shown in Figure 1, to prevent
Oil smoke in common flue flows backward.Specifically, after range hood is closed, whether angular transducer detection check-valves baffle closes completely
It closes, i.e. whether the opening angle of detection check-valves baffle is 0.If being not turned off, controller reports an error and reminds exception, then certainly
Dynamic to open recovery routine: blower is closed after reopening the first setting time, while detecting whether check-valves baffle completely closes,
Repeat the above steps the second setting number if being not turned off.If check-valves baffle is still not turned off, controller issues non-return valve guard
Piece closes abnormal error message.Error message may include that buzz and/or display board show error code etc..
Through the above steps, it may be implemented to detect and solve automatically the technical problem that shut-off valve baffle closes exception.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (12)
1. a kind of check valve assembly for range hood characterized by comprising
Non-return valve body (1) has and is connected to the range hood and extraneous connector (6)；
Check-valves baffle, the shaft (3) by being set to the non-return valve body (1) are rotatably covered in the connector (6)；
Angle detection device (5) is set between the check-valves baffle and the non-return valve body (1) to detect the non-return
Opening angle of the valve guard piece relative to the connector (6).
2. check valve assembly according to claim 1, it is characterised in that: the angle detection device (5) is is set to
State the angular transducer between check-valves baffle and the shaft (3).
3. check valve assembly according to claim 1, it is characterised in that: the check-valves baffle includes rotatably setting respectively
It is placed in the first flap (2) and second flap (4) of the shaft (3) two sides.
4. check valve assembly according to claim 3, it is characterised in that: the angle detection device (5) includes setting respectively
The first angle sensor and second angle sensor being placed between the first flap (2) and the second flap (4).
5. check valve assembly according to claim 3, it is characterised in that: the connector (6) be circular open, described turn
Axis (3) is set to the connector (6) diameter position, the first flap (2) and the second flap (4) be with it is described
The corresponding semi-circular plate structure of connector (6).
6. a kind of range hood control method, the range hood includes check valve set of any of claims 1-5
Part, and, for aspirating the blower of oil smoke；
It is characterised by comprising:
Obtain the opening angle of check-valves baffle；
Judge check-valves baffle opening angle whether less than the first setting value；
If so, control increases the input power of blower.
7. range hood control method according to claim 6, which is characterized in that further include:
If so, being back to " opening angle for obtaining check-valves baffle " step, and record first circulation number.
8. range hood control method according to claim 7, it is characterised in that: further include
When first circulation number reaches the first preset times, control issues the error message of check-valves baffle clamping stagnation.
9. range hood control method a method according to any one of claims 6-8, which is characterized in that further include:
Control range hood shutdown；
Obtain the opening angle of check-valves baffle；
Whether the opening angle for judging check-valves baffle is 0；
If it is not, control blower is restarted.
10. range hood control method according to claim 9, which is characterized in that further include:
If it is not, returning to " shutdown of control range hood " step after control blower restarts the first setting time of operation, and record second
Cycle-index.
11. range hood control method according to claim 10, which is characterized in that further include:
When second circulation number reaches the second preset times, control issues check-valves baffle and closes abnormal error message.
12. a kind of range hood, it is characterised in that: it include check valve assembly of any of claims 1-5, and/
Or, perform claim requires the controller of control method described in any one of 6-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890171.9A CN110529903A (en) | 2019-09-19 | 2019-09-19 | Range hood, control method thereof and check valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890171.9A CN110529903A (en) | 2019-09-19 | 2019-09-19 | Range hood, control method thereof and check valve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110529903A true CN110529903A (en) | 2019-12-03 |
Family
ID=68669562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910890171.9A Pending CN110529903A (en) | 2019-09-19 | 2019-09-19 | Range hood, control method thereof and check valve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110529903A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288191A (en) * | 2020-02-21 | 2020-06-16 | 佛山市顺德区美的洗涤电器制造有限公司 | Check valve for range hood and range hood with check valve |
| CN113758019A (en) * | 2021-09-06 | 2021-12-07 | 马鞍山亿科金属制品有限公司 | Wind-resistant control method for gas water heater using constant-flow fan to exhaust air |
| CN113819556A (en) * | 2021-10-27 | 2021-12-21 | 佛山市顺德区美的电子科技有限公司 | Control method of fresh air system, air conditioning equipment and storage medium |
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| CN107894017A (en) * | 2017-12-08 | 2018-04-10 | 九阳股份有限公司 | A kind of intelligent range hood |
| CN108662213A (en) * | 2018-06-26 | 2018-10-16 | 珠海格力电器股份有限公司 | Check valve and ventilation equipment thereof |
| CN109990330A (en) * | 2017-12-29 | 2019-07-09 | 青岛海尔智慧厨房电器有限公司 | Smoke machine control method of integrated cooker and integrated cooker |
| CN210568750U (en) * | 2019-09-19 | 2020-05-19 | 珠海格力电器股份有限公司 | Range hood and check valve assembly thereof |
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2019
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| EP1258687A1 (en) * | 2001-05-17 | 2002-11-20 | Brandt Cooking | Extraction hood and method for controlling an extraction system |
| CN107894017A (en) * | 2017-12-08 | 2018-04-10 | 九阳股份有限公司 | A kind of intelligent range hood |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288191A (en) * | 2020-02-21 | 2020-06-16 | 佛山市顺德区美的洗涤电器制造有限公司 | Check valve for range hood and range hood with check valve |
| CN111288191B (en) * | 2020-02-21 | 2022-02-25 | 佛山市顺德区美的洗涤电器制造有限公司 | Check valve for range hood and range hood with check valve |
| CN113758019A (en) * | 2021-09-06 | 2021-12-07 | 马鞍山亿科金属制品有限公司 | Wind-resistant control method for gas water heater using constant-flow fan to exhaust air |
| CN113819556A (en) * | 2021-10-27 | 2021-12-21 | 佛山市顺德区美的电子科技有限公司 | Control method of fresh air system, air conditioning equipment and storage medium |
| CN113819556B (en) * | 2021-10-27 | 2022-09-27 | 佛山市顺德区美的电子科技有限公司 | Control method of fresh air system, air conditioning equipment and storage medium |
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