CN110529897A - Range hood and safety system applying same - Google Patents
Range hood and safety system applying same Download PDFInfo
- Publication number
- CN110529897A CN110529897A CN201910771524.3A CN201910771524A CN110529897A CN 110529897 A CN110529897 A CN 110529897A CN 201910771524 A CN201910771524 A CN 201910771524A CN 110529897 A CN110529897 A CN 110529897A
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- Prior art keywords
- camera
- image
- kitchen ventilator
- shell
- air inlet
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- 239000000779 smoke Substances 0.000 claims abstract description 69
- 230000033001 locomotion Effects 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims description 10
- 239000003517 fume Substances 0.000 claims description 9
- 238000012217 deletion Methods 0.000 claims description 4
- 230000037430 deletion Effects 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 230000003434 inspiratory effect Effects 0.000 abstract 1
- 239000006233 lamp black Substances 0.000 abstract 1
- 239000004519 grease Substances 0.000 description 6
- 235000019504 cigarettes Nutrition 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention provides a range hood and a safety system applied by the same, wherein the range hood comprises: the image acquisition assembly comprises at least one camera, the camera is arranged on a shell of the range hood and is arranged towards a movement path of the oil smoke. The camera sets up towards the motion route of oil smoke, and the oil smoke is by the inspiratory in-process of lampblack absorber, if there is flame to be inhaled, then flame can be inhaled along the motion route of oil smoke, therefore the camera can catch the image of flame on the motion route of oil smoke, in time discovers.
Description
Technical field
The present invention relates to technical field of kitchen wares, and in particular to a kind of kitchen ventilator and its security system of application.
Background technique
Kitchen ventilator is common cooking apparatus, and kitchen ventilator generally includes the head for aspirating oil smoke, the pumping on head
Mouth is located above hearth, places gas cooker on hearth.When hearth works, in the oil smoke sucking kitchen ventilator that head generates culinary art
Portion.
There is air duct, oil smoke successively enters air duct, bellows from bleeding point, is finally discharged from exhaust outlet, oil inside kitchen ventilator
Grease stain in cigarette can be at least attached to inside bleeding point and air duct, and grease stain, which is constantly accumulated, will form oil layer.
When the suction air volume of smoke machine is excessive or causes the flame in gas cooker to be reinforced suddenly due to outside environmental elements,
Flame is easily inhaled inside kitchen ventilator.After flame enters air duct, meets with the grease of air duct side wall and is easy to cause grease burning,
If closing gas cooker not in time, the burning of grease is easy to feed through to entire kitchen ventilator.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that prior art Flame is overcome to be inhaled into the air duct of kitchen ventilator
It is easy to cause the defect of the grease burning of air duct inner wall afterwards, to provide the security system of a kind of kitchen ventilator and its application.
Kitchen ventilator provided by the invention, comprising:
Image collection assembly, including at least one camera, the camera are set on the shell of kitchen ventilator, and towards oil
The motion path of cigarette is arranged.
Further include:
Exhaust fume collecting hood, the air inlet including being connected to air duct, the camera are set on the air inlet.
The smoke deflector for closing the air inlet is rotatably connected on the air inlet, the camera is set to described lead
On cigarette plate, any region that the camera is moved towards hearth to oil smoke between the air inlet is arranged.
The camera is set to the smoke deflector towards on the side of the air inlet.
The shooting direction of the camera is perpendicular to the smoke deflector, opening of the smoke deflector relative to the air inlet
Angular range is [0 °, 90 °].
The camera is set on the inner wall in air duct.
The camera is set in bellows.
The camera includes:
Shell, on the housing, the other end extends far from the shell, the camera position for shell one end connection
It is closed in the end face for corresponding to camera shooting end in the shell, and on the shell by transparency window.
The shell is equipped with bracket, and the bracket connects the shell and the shell.
A kind of security system that the kitchen ventilator of above-mentioned any scheme uses includes:
Image capture module acquires the image on oil smoke motion path in real time and is sent to controller；
Controller, receives the image of described image acquisition module shooting, and with the flare image comparison that is stored in image library,
And it judges whether there is flare and is sucked on the motion path, and be confirmed whether to send to control unit according to judging result and shut down
Signal；
Control element is controlled by the stopping signal and closes gas cooker.
Further include:
Mobile terminal is connect by Internet of Things with the controller, the image information issued for receiving the controller, with
Notify the use state of user's kitchen ventilator.
The controller includes:
Contrast module, extracts the image of contrast images acquisition module acquisition, and with the flare image phase that is stored in image library
It compares and obtains comparison similarity, when the comparison similarity reaches preset similarity threshold, determine that flare is inhaled into oil
Then the motion path of cigarette sends stopping signal to the control element by controller.
Further include:
Storage module, the storage module implements the image of storage camera acquisition, and real-time monitoring storage module is because of figure
The amount of ram increased as storage is automatically deleted part and has stored when the amount of ram is more than preset memory threshold
Image.
The storage module carries out judgement deletion, the automatic storage according to preset value X when deleting the image stored
Module is subtracted according to current date obtains the label date for X days, and is automatically deleted the image stored before the label date.
Technical solution of the present invention has the advantages that
1. kitchen ventilator provided by the invention, comprising: image collection assembly, including at least one camera, the camera
It is arranged on the shell of kitchen ventilator, and towards the motion path of oil smoke.
The motion path of camera towards oil smoke is arranged, and oil smoke by kitchen ventilator during being sucked, if there is flame to be inhaled
Enter, then flame can be inhaled into along the motion path of oil smoke, therefore camera can capture fire on the motion path of oil smoke
The image of flame is found in time.
2. kitchen ventilator provided by the invention, further includes: exhaust fume collecting hood, the air inlet including being connected to air duct, the camera are set
In on the air inlet.
Air inlet is the first position of exhaust fume collecting hood air inlet, when carrying out Image Acquisition at air inlet, the acquisition range of image
Camera that is bigger, and being arranged at air inlet, user are easy directly to wipe and clean from the outside of kitchen ventilator, prevent greasy dirt
Stop shooting sight.
3. kitchen ventilator provided by the invention, it is rotatably connected on the air inlet and leads cigarette for close the air inlet
Plate, the camera are set on the smoke deflector, and the camera is appointed towards hearth to what oil smoke between the air inlet moved
The setting of one region.
When camera is located on smoke deflector, kitchen ventilator keeps camera exposed and is aligned pre- in use, smoke deflector rotating opening
The shooting area first set.When kitchen ventilator leaves unused, camera is with smoke deflector rotation storage as reduced camera shooting in exhaust fume collecting hood
The space hold of head.
4. kitchen ventilator provided by the invention, the camera is set to the smoke deflector towards on the side of the air inlet.
5. kitchen ventilator provided by the invention, the shooting direction of the camera is perpendicular to the smoke deflector, the smoke deflector
Open angle range relative to the air inlet is [0 °, 90 °].
Prevent smoke deflector from opening 90 ° of motion range for driving the coverage of camera to be detached from oil smoke when turning over.
6. kitchen ventilator provided by the invention, the camera is set on the inner wall in air duct.
Kitchen ventilator is directly arranged in air duct the occupancy for reducing camera to exterior space, and air duct internal brightness is opposite
It is external lower, it is easier to capture the biggish flame image of relative luminance.Therefore it is easier to determine the flame image captured.
7. kitchen ventilator provided by the invention, the camera is set in bellows.
Bellows are located at the inside of kitchen ventilator, therefore for the brightness in air duct, the brightness of bellows is lower.Therefore it is easier to
Capture the image of flame.
8. kitchen ventilator provided by the invention, the camera includes: shell, and described shell one end is connected to the shell
On, the other end extends far from the shell, and the camera is located in the shell, and the camera is corresponded on the shell
It is closed by transparency window the end face for shooting end.
Shell plays the role of protecting camera, and due to having oil smoke in the working environment of camera, shell prevents oil liquid
Pollute camera.Transparency window corresponds to the shooting end of camera, while protecting camera, reduce to camera shooting picture and
Shoot the influence of field range.
9. kitchen ventilator provided by the invention, the shell is equipped with bracket, and the bracket connects the shell and the shell
Body.
Shell and camera are connected by bracket with the shell of kitchen ventilator, and the installation of camera is facilitated, and are dismantled, and conveniently
Maintenance, cleaning and the replacement of shell.
10. the present invention provides a kind of security system of kitchen ventilator application, comprising: image capture module acquires oil smoke in real time
Image on motion path is simultaneously sent to controller；Controller receives the image of described image acquisition module shooting, and and image
The flare image comparison stored in library, and judge whether there is flare and be sucked on the motion path, and is true according to judging result
Recognize and whether gives control unit transmission stopping signal；Control element is controlled by the stopping signal and closes gas cooker.
When there is flare by comparison judgement in the image of camera shooting, combustion gas can be closed in cutting combustion gas source at once
Kitchen range prevent more flare from entering in kitchen ventilator and fire occurs.
11. security system provided by the invention, further includes: mobile terminal is connect with the controller by Internet of Things, is used for
The image information that the controller issues is received, to notify the use state of user's kitchen ventilator.
When user is not around kitchen ventilator, the working condition of kitchen ventilator can be obtained by mobile device.When discovery has fire
After seedling enters kitchen ventilator, mobile device is notified that reason is closed and its closed to user's gas stove, looks into user in time
See processing.
12 security systems provided by the invention, the controller include: contrast module, extract contrast images acquisition module and adopt
The image of collection, and compare with the flare image stored in image library and obtain comparison similarity, when the comparison similarity reaches
When to preset similarity threshold, determine that flare is inhaled into the motion path of oil smoke, then by controller to the control
Element processed sends stopping signal.
13. security system provided by the invention, further includes: storage module, the storage module are implemented storage camera and adopted
The image of collection, and the amount of ram that real-time monitoring storage module increases by image storage, when the amount of ram is more than default
Memory threshold when, be automatically deleted the stored image in part.
Due to camera captured in real-time, obtain image, it is therefore desirable to memory it is larger.Kitchen ventilator works normally going through for generation
History image, which continues to save, can occupy biggish space, in the present solution, being automatically deleted pervious image, it is internal to reduce history image
The occupancy deposited.
14. security system provided by the invention, the storage module is when deleting the image stored, according to preset value X
Judgement deletion is carried out, the automatic storage module is subtracted according to current date obtains the label date for X days, and is automatically deleted label day
The image stored before phase.
X value is customized by the user setting, facilitates user management memory situation.
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 the schematic diagram for indicating camera of the present invention and being set on smoke deflector；
Fig. 2 is to indicate that camera of the present invention is set to the schematic diagram of air duct inner wall；
Fig. 3 is the schematic diagram for indicating camera of the present invention and being set in bellows；
Fig. 4 is the schematic diagram for indicating pick-up head mounting structure of the present invention；
Fig. 5 is the block diagram for indicating security system working principle of the present invention.
Description of symbols:
1, shell；11, bellows；12, exhaust outlet；13, hearth；2, exhaust fume collecting hood；21, smoke deflector；22, air inlet；3, air duct；
4, camera；41, shell；42, transparency window；43, bracket.
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.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
Kitchen ventilator provided in this embodiment, as shown in Figure 1, comprising: image collection assembly, including at least one camera 4,
The camera 4 is set on the shell 1 of kitchen ventilator, and is arranged towards the motion path of oil smoke.Movement of the camera 4 towards oil smoke
Path setting, oil smoke by kitchen ventilator during being sucked, if there is flame to be inhaled into, flame can be along the motion path of oil smoke
It is inhaled into, therefore camera 4 can capture the image of flame on the motion path of oil smoke, finds in time.
The setting position of camera 4 is not particularly limited, in the present embodiment, as shown in Figure 1, further includes: exhaust fume collecting hood
2, the air inlet 22 including being connected to air duct 3, the camera 4 is set on the air inlet 22.Air inlet 22 is that exhaust fume collecting hood 2 is entered the wind
First position, at air inlet 22 carry out Image Acquisition when, the acquisition range of image is bigger, and at air inlet 22 be arranged
Camera 4, user are easy directly to wipe and clean from the outside of kitchen ventilator, prevent greasy dirt from stopping shooting sight.
As interchangeable embodiment, as shown in Fig. 2, the camera 4 is set on the inner wall in air duct 3.Kitchen ventilator is straight
Being arranged in air duct 3 reduces camera 4 to the occupancy of exterior space, and 3 internal brightness opposite outer of air duct is lower, is easier to
Capture the biggish flame image of relative luminance.Therefore it is easier to determine the flame image captured.
As another interchangeable embodiment, as shown in figure 3, the camera 4 is set in bellows 11.11, bellows
In the inside of kitchen ventilator, therefore for the brightness in air duct 3, the brightness of bellows 11 is lower.Therefore it is easier to capture flame
Image.
As another interchangeable embodiment, camera 4 is respectively arranged on air inlet 22, air duct 3 is interior and bellows
In 11.Or camera 4 is set in any the two in 11 three of air inlet 22, air duct 3 and bellows.
The quantity of camera 4 is not particularly limited, in the present embodiment, as shown in Figure 1, the quantity of camera 4 is one
A, as interchangeable embodiment, the quantity of camera 4 is greater than 1.As another interchangeable embodiment, camera 4
Have multiple and along the inner wall that the length direction in air duct 3 is set to air duct 3.
The connection relationship of camera 4 and air inlet 22 is not particularly limited, in the present embodiment, as shown in Figure 1, described
The smoke deflector 21 for closing the air inlet 22 is rotatably connected on air inlet 22, the camera 4 is set to the smoke deflector
On 21, the camera 4 arrives any region setting of oil smoke movement between the air inlet 22 towards hearth 13.Camera 4
When on smoke deflector 21, kitchen ventilator keeps camera 4 exposed and is aligned pre-set in use, 21 rotating opening of smoke deflector
Shooting area.When kitchen ventilator leaves unused, camera 4 is with the rotation storage of smoke deflector 21 as reduced camera 4 in exhaust fume collecting hood 2
Space hold.
Setting position of the camera 4 on smoke deflector 21 is not particularly limited, in the present embodiment, as shown in Figure 1, institute
Camera 4 is stated set on the smoke deflector 21 towards on the side of the air inlet 22.As interchangeable embodiment, camera
4 are set to smoke deflector 21 on the face of air inlet 22.
The angular range of 21 rotating opening of smoke deflector is not particularly limited, in the present embodiment, as shown in Figure 1.It is described
The shooting direction of camera 4 is perpendicular to the smoke deflector 21, open angle of the smoke deflector 21 relative to the air inlet 22
Range is [0 °, 90 °].Prevent smoke deflector 21 from opening 90 ° of movement models for driving the coverage of camera 4 to be detached from oil smoke when turning over
It encloses.As interchangeable embodiment, smoke deflector 21 is greater than 90 ° relative to the open angle range of air inlet 22.
The structure of camera 4 is not particularly limited, in the present embodiment, as shown in figure 4, the camera 4 includes: outer
Shell 41, described 41 one end of shell are connected on the shell 1, and the other end extends far from the shell 1, and the camera 4 is located at
It is closed by transparency window 42 end face that the shooting of camera 4 end is corresponded in the shell 41, and on the shell 41.Shell 41
Play the role of protecting camera 4, due to having oil smoke in the working environment of camera 4, shell 41 prevents oil contamination from imaging
First 4.It reduces while protecting camera 4 to 4 shooting picture of camera and bat at the shooting end of the corresponding camera 4 of transparency window 42
Take the photograph the influence of field range.
The connection type of shell 41 and shell 1 is not particularly limited, in the present embodiment, as shown in figure 4, the shell
41 are equipped with bracket 43, and the bracket connects the shell 41 and the shell 1.Shell 41 and camera 4 pass through bracket and oil
The shell 41 of smoke machine is connected, and facilitates the installation of camera 4, dismantles, and facilitate the maintenance, cleaning and replacement of shell 41.
The security system used kitchen ventilator in this present embodiment is not particularly limited, in the present embodiment, such as Fig. 5 institute
Show, comprising: image capture module acquires the image on oil smoke motion path in real time and is sent to controller；Controller receives institute
State the image of image capture module shooting, and with the flare image comparison that is stored in image library, and judge whether there is flare and inhaled
Into on the motion path, and it is confirmed whether to send stopping signal to control unit according to judging result；Control element is controlled by
The stopping signal closes gas cooker.When there is flare by comparison judgement in the image that camera 4 is shot, can cut at once
Gas cooker is closed in the source of disconnected combustion gas, prevents more flare from entering in kitchen ventilator and fire occurs.
The mode that kitchen ventilator job information is remotely obtained for user is not particularly limited, in the present embodiment, such as Fig. 5 institute
Showing, further includes: mobile terminal is connect by Internet of Things with the controller, the image information issued for receiving the controller,
To notify the use state of user's kitchen ventilator.When user is not around kitchen ventilator, kitchen ventilator can be obtained by mobile device
Working condition.After discovery has flare to enter kitchen ventilator, mobile device is notified that reason is closed and its closed to user's gas stove, makes
User can check processing in time.
The modular structure of controller is not particularly limited, as shown in figure 5, the controller includes: in the present embodiment
Contrast module, extracts the image of contrast images acquisition module acquisition, and compares and obtain with the flare image stored in image library
Similarity is compared out, when the comparison similarity reaches preset similarity threshold, determines that flare is inhaled into the described of oil smoke
Then motion path sends stopping signal to the control element by controller.
Wherein, controller further include: storage module, the storage module implement the image that storage camera 4 acquires, and real
When the amount of ram that increases by image storage of monitoring storage module, when the amount of ram is more than preset memory threshold,
It is automatically deleted the stored image in part.Due to 4 captured in real-time of camera, obtain image, it is therefore desirable to memory it is larger.Oil smoke
Machine, which works normally the history image generated, which continues preservation, can occupy biggish space, in the present solution, it is automatically deleted pervious image,
Reduce history image to the occupancy of memory.
It is automatically deleted the method for having stored image for storage module to be not particularly limited, in the present embodiment, such as Fig. 5 institute
Show, the storage module carries out judgement deletion, the automatic storage module according to preset value X when deleting the image stored
It is subtracted according to current date and obtains within X days the label date, and be automatically deleted the image stored before the label date.X value by user from
Definition setting, facilitates user management memory situation.
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 (14)
1. a kind of kitchen ventilator characterized by comprising
Image collection assembly, including at least one camera (4), the camera (4) are set on the shell (1) of kitchen ventilator, and
It is arranged towards the motion path of oil smoke.
2. kitchen ventilator according to claim 1, which is characterized in that further include:
Exhaust fume collecting hood (2), the air inlet (22) including being connected to air duct (3), the camera (4) are set on the air inlet (22).
3. kitchen ventilator according to claim 2, which is characterized in that be rotatably connected on the air inlet (22) for closing
The smoke deflector (21) of the air inlet (22), the camera (4) are set on the smoke deflector (21), camera (4) court
Any region setting that oil smoke moves between to hearth (13) to the air inlet (22).
4. kitchen ventilator according to claim 3, which is characterized in that the camera (4) is set to the smoke deflector (21) court
To on the side of the air inlet (22).
5. kitchen ventilator according to claim 4, which is characterized in that the shooting direction of the camera (4) is perpendicular to described
Smoke deflector (21), the smoke deflector (21) are [0 °, 90 °] relative to the open angle range of the air inlet (22).
6. kitchen ventilator according to claim 1, which is characterized in that the camera (4) is set on the inner wall of air duct (3).
7. any kitchen ventilator according to claim 1~6, which is characterized in that the camera (4) is set to bellows (11)
It is interior.
8. any kitchen ventilator according to claim 1~6, which is characterized in that the camera (4) includes:
Shell (41), described shell (41) one end are connected on the shell (1), and the other end extends far from the shell (1), institute
It states camera (4) to be located in the shell (41), and the end face for corresponding to the camera (4) shooting end on the shell (41) is logical
Cross transparency window (42) closing.
9. kitchen ventilator according to claim 8, which is characterized in that the shell (41) is equipped with bracket (43), the branch
Frame (43) connects the shell (41) and the shell (1).
10. a kind of security system of any kitchen ventilator application of claim 1~9 characterized by comprising
Image capture module acquires the image on oil smoke motion path in real time and is sent to controller；
Controller, receives the image of described image acquisition module shooting, and with the flare image comparison that is stored in image library, and sentence
It is disconnected whether to there is flare to be sucked on the motion path, and be confirmed whether to send to control unit according to judging result and shut down letter
Number；
Control element is controlled by the stopping signal and closes gas cooker.
11. the security system that kitchen ventilator according to claim 10 uses, which is characterized in that further include:
Mobile terminal is connect by Internet of Things with the controller, the image information issued for receiving the controller, with notice
The use state of user's kitchen ventilator.
12. the security system that kitchen ventilator according to claim 10 uses, which is characterized in that the controller includes:
Contrast module, extracts the image of contrast images acquisition module acquisition, and compares with the flare image stored in image library
And obtain comparison similarity, when the comparison similarity reaches preset similarity threshold, determine that flare is inhaled into oil smoke
Then the motion path sends stopping signal to the control element by controller.
13. the security system that kitchen ventilator according to claim 10 uses, which is characterized in that further include:
Storage module, the storage module implements the image of storage camera acquisition, and real-time monitoring storage module is because of image storage
The amount of ram deposited and increased is automatically deleted the stored figure in part when the amount of ram is more than preset memory threshold
Picture.
14. the security system that kitchen ventilator according to claim 13 uses, which is characterized in that the storage module is being deleted
When the image stored, judgement deletion is carried out according to preset value X, the automatic storage module subtracts X days according to current date
To the label date, and it is automatically deleted the image stored before the label date.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910771524.3A CN110529897A (en) | 2019-08-20 | 2019-08-20 | Range hood and safety system applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910771524.3A CN110529897A (en) | 2019-08-20 | 2019-08-20 | Range hood and safety system applying same |
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| CN110529897A true CN110529897A (en) | 2019-12-03 |
Family
ID=68663838
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| CN201910771524.3A Pending CN110529897A (en) | 2019-08-20 | 2019-08-20 | Range hood and safety system applying same |
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