CN103422554A - Automatic flushing system of toilet bowl - Google Patents
Automatic flushing system of toilet bowl Download PDFInfo
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- CN103422554A CN103422554A CN2012101614675A CN201210161467A CN103422554A CN 103422554 A CN103422554 A CN 103422554A CN 2012101614675 A CN2012101614675 A CN 2012101614675A CN 201210161467 A CN201210161467 A CN 201210161467A CN 103422554 A CN103422554 A CN 103422554A
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Abstract
The invention discloses an automatic flushing system of a toilet bowl. The automatic flushing system of the toilet bowl mainly comprises a human body sensor, an image capturing unit, an image recognition unit, a central processor and a valve controller. Images of the toilet bowl before and after use are captured by the image capturing unit and analyzed by the image recognition unit, the central processor receives data analyzed by the image recognition unit and performs image comparative analysis so as to conjecture types and volume of excreta to judge needed flushing water amount, and the valve controller is driven to perform stepless flushing.
Description
Technical field
The present invention relates to the technical field field of closet flushing control, relate in particular to a kind of closet automatic flushing system of controlling with the different quantities of flush water auto-flushing of adjusting by the image comparison analysis.
Background technology
No matter traditional toilet user is upper large size or trumpet, after the user activates flushing valve, with the single fixing water yield, washed by water, such bath pattern easily waste water and by the people dirt sick, therefore just there is the valve control mechanism that can make two sections different water yields according to large size, trumpet to be developed, and implement already.
But the water resource of the earth is more and more precious in recent years, and the pattern of two-part bath is not inconsistent required gradually.
In addition, traditional flush valve control be by the user after being finished toilet, carry out the operation start bath with hand, just in case the user is infected with excreta in using the clean process of toilet paper, operate flushing switch with the hand polluted again, therefore next user may be infected, so toilet automatic flushing equipment is also developed one by one.
No. 464714 " water-saving closet system " new patent of TaiWan, China bulletin, it is mainly to set up people's bulk optics detecting unit, for detecting, whether there is the people to approach or using this toilet seat, in closestool bottom, an optical sensing unit is set in addition, for detecting excremental light transmittance in this toilet, and calculate required water yield according to this excreta light transmittance with the simulation fuzzy deduction with the system-computed control module, control water tank according to required discharging quantity of water bath by the Cistern valve control module again, thereby reach the effect of water-saving and auto-flushing.
And TaiWan, China is announced " toilet of tool auto-flushing and province's water function " patent of invention No. I294475, it is mainly that load sensor and pH value sensor are set in the toilet basin bottom surface, pressure sensor is set in addition and responds to whether the people is arranged at the use toilet, and by load sensor and pH value sensor, jointly to be detected in toilet basin be large size, trumpet, large size residue or other excretas, and the signal sensed is conveyed to chip monitoring, carry out the multistage bath to control rotation system, reach auto-flushing and water-saving effectiveness.
In addition, it is, in closestool bottom, light resistor is set that TaiWan, China is announced No. M412194 " automatic flushing device for water closet " new patent, carrying out the sensing light transmittance by light resistor is urine or stool to distinguish, and the time of being washed by water by the central processing unit controls electromagnetic valve, thereby, can reach the effectiveness of auto-flushing and water-saving.
But; aforesaid all kinds of patents technology is all that sensing component is arranged on to closestool bottom; and water is arranged under the closestool bottom normality; sensing component is being installed essential design and the ability of strengthening waterproof thus; its setup cost is obviously higher, moreover closestool bottom often has excreta; easily stained correctness and application life with affecting the sensing component effect, therefore be necessary to be improved again.
Summary of the invention
Main purpose of the present invention is to provide a kind of closet automatic flushing system, it is by an image acquisition unit acquisition toilet image, judge required discharging quantity of water by the image comparison technology again, and autocontrol valve is washed by water after the user leaves toilet, thereby reach the purpose of water-saving and auto-flushing.
The invention provides a kind of closet automatic flushing system, comprising:
One human body sensor, whether it is to have the people using toilet for detecting;
One image acquisition unit, it is for capturing the image of toilet;
One image identification unit, it is for understanding the inscape of described image acquisition unit institute pick-up image;
One valve positioner, it is washed by water by the open/close states of valve in the control water-closet tank;
One central processing unit, it is to be electrically connected with described human body sensor, described image acquisition unit, described image identification unit and described valve positioner, and described central processing unit also is connected with a database, described database is for storing described central processing unit work desired data, described central processing unit receives the data that described image identification unit is understood, and carry out the image comparison analysis, thereby infer the number of excremental kind and deal, judge required discharging quantity of water, and drive described valve positioner to be washed by water.
Preferably, described toilet is that a pelvic part is set in a pedestal, this pelvic part upper limb has a hydrosphere, described hydrosphere is communicated with a water tank, described pelvic part bottom has the section of holding, described section's one side of holding connects a blow-off pipe, and described pedestal apical margin is provided with a seat cushion, and described image acquisition unit holds section and image on every side thereof for capturing described toilet.
Preferably, described human body sensor is a kind of weight sensor.
Preferably, described weight sensor is arranged on the seat cushion of described toilet.
Preferably, described human body sensor is an infrared ray sensor.
Preferably, described image acquisition unit is a CCD or CMOS.
Preferably, described image acquisition unit is installed on the rear side middle position of described closet seat-cushion root edge, and this image acquisition unit is with towards the form setting that has a down dip, makes this image acquisition unit can capture the section of holding and image on every side thereof.
Preferably, described image acquisition unit is installed on the front center position of described closet seat-cushion root edge, and this image acquisition unit is with towards the installing of the form that has a down dip, makes this image acquisition unit can capture the section of holding and image on every side thereof.
Preferably, described image acquisition unit is arranged at a swing component front end, and the end that described swing component is equiped with image acquisition unit is movable to toilet central authorities top.
Preferably, described image acquisition unit is arranged on described toilet hydrosphere root edge rear side middle position.
Preferably, described image identification unit is for understanding the GTG of image that described image acquisition unit provides or the inscape of three-primary colours.
Preferably, described valve positioner is a timer, for control valve open-interval length.
Preferably, described image acquisition unit also is provided with a light source.
The present invention also provides a kind of control method of closet automatic flushing system, comprising:
Start:
Start this image acquisition unit, image identification unit, central processing unit and valve positioner and carry out work;
Whether detecting has the user:
Whether the user is arranged using toilet, if nothing is detected the step whether user is arranged repeatedly by described human body sensor detecting; If have, enter next step;
Whether the detecting user leaves:
Whether left by described human body sensor detecting user, if not, repeatedly detected the user and whether leave step; If carry out next step;
Rear image is used in acquisition:
Control described image acquisition unit real time acquisition toilet by described central processing unit and use rear image, and after using, image is sent to described central processing unit;
The image analysing computer comparison:
Before being used by described image identification unit decomposition with use after the GTG of image or the inscape of RGB three-primary colours, and analysed and compared, then by related data transmission to central processing unit;
Differentiate the excreta state:
With described central processing unit by image analysing computer compare step gained comparison data infer excremental kind and excreta deal the number, and judge required discharging quantity of water;
Bath:
Control described valve positioner by described central processing unit, regulated according to required discharging quantity of water, after the bath step completes, then be returned to setting up procedure.
Preferably, in described detecting, whether have in user's step, detect without the user when using toilet when this human body sensor, further comprise the following steps:
The timing pick-up image:
By this central processing unit control this image acquisition unit with predetermined time interval regularly capture the toilet image, then enter next step;
Upgrade the master slice image:
Using described image acquisition unit, obtained image upgrades and stores as the master slice image, and returns to regularly pick-up image step.
The present invention uses forward and backward toilet image by the image acquisition unit acquisition, inscape by image identification unit decomposition image is is also analysed and compared, then judge excremental state and needed discharging quantity of water by central processing unit, and driver's valve door controller by-pass valve control carries out the stepless bath, thereby, can reach the purpose of water-saving and auto-flushing.
The accompanying drawing explanation
Fig. 1 is configuration diagram of the present invention;
Fig. 2 is the structural representation that image acquisition unit of the present invention is installed on toilet;
Fig. 3 is method flow diagram of the present invention;
Fig. 4 image acquisition unit of the present invention is arranged at the first embodiment in toilet;
Fig. 5 image acquisition unit of the present invention is arranged at the second embodiment in toilet;
Fig. 6 is that image acquisition unit of the present invention is arranged at the 3rd embodiment in toilet.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Further illustrate technical scheme of the present invention below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
At first, refer to Fig. 1 to Fig. 3, it is the diagram of main embodiment of the present invention, and wherein Fig. 1 is configuration diagram of the present invention; Fig. 2 is the structural representation that image acquisition unit of the present invention is installed on toilet; Fig. 3 is the method flow diagram of invention.
Closet automatic flushing system 1 of the present invention mainly is comprised of a human body sensor 11, an image acquisition unit 2, an image identification unit 3, a central processing unit 4 and a valve positioner 5, and is implemented on a toilet 6.And described central processing unit 4 is to be electrically connected with described human body sensor 11, image acquisition unit 2, image identification unit 3 and described valve positioner 5, and described central processing unit 4 also connects a database 41, this database 41 is to store the required data of this central processing unit 4 work.
The structure of toilet 6 is at the interior pelvic part 61 that arranges of a pedestal 60, these pelvic part 61 upper limbs have a hydrosphere 62, and this hydrosphere 62 is to be communicated with a water tank 63, and these pelvic part 61 bottoms have the section of holding 64, this holds section's 64 1 sides and connects a blow-off pipe 65, separately in these pedestal 60 apical margins, one seat cushion 66 is set.The structure of toilet belongs to prior art, therefore be not described in detail.
Whether described human body sensor 11 is to have the people using toilet 6 for detecting, in the present embodiment, described human body sensor 11 is a kind of weight sensors, but not to be limited to this, this human body sensor 11 is the seat cushions 66 that are installed in toilet 6, and when user's body weight is applied on seat cushion 66, this human body sensor 11 just can detect the user and use, and, when user's body weight no longer puts on seat cushion 66, this human body sensor 11 just can detect the user and leave.
Whether certainly, described human body sensor 11 is not limited to above-mentioned weight sensor form, also can use infrared ray sensor etc., or uses two kinds of multi-form sensors simultaneously, detect and have the people using toilet.
Described image acquisition unit 2 is images of the section of holding 64 for capturing toilet 6 and part pelvic part 61, and provides image data to described central processing unit 4 to be processed.
In the present embodiment, described image acquisition unit 2 is a CCD or CMOS, and this image acquisition unit 2 is installed on the rear side middle position of these toilet 6 seat cushion 66 root edges, and this image acquisition unit 2 is the form installings of tilting down, make described image acquisition unit 2 can capture the section of holding 64 and be close to this and hold the image of the part pelvic part 61 of section 64, as shown in Figure 2.Certainly, the form of this image acquisition unit 2 and mounting means are not limited to the present embodiment.
Described image identification unit 3 carries out the deciphering of inscape for the image that this image acquisition unit 2 is captured, and by related data transmission to described central processing unit 4, then by this central processing unit 4, with the master slice image data, compared, and then infer and the number of excremental kind (urine, ight soil or women's menstruation) and excreta deal judge needed discharging quantity of water.
In the present embodiment, described image identification unit 3 carries out the deciphering of the inscape of GTG or RGB three-primary colours for the image that described image acquisition unit 2 is provided, but is not limited to this.
Described valve positioner 5 is accepted the signal of central processing unit 4, be used for controlling the open/close states of the interior valve (not shown) of water tank 63 of toilet 6, to provide required discharging quantity of water pour pelvic part 61 and hold section 64 by hydrosphere 62, excreta is discharged by blow-off pipe 65.
In the present embodiment, described valve positioner 5 is timers, and valve is an electromagnetic valve, by this timer, controls this electromagnetic valve open-interval length, by change discharging quantity of water the number carry out the stepless bath.
Refer to Fig. 3, it is the method flow diagram of closet automatic flushing system of the present invention, comprising:
S100 starts:
Start image acquisition unit 2, image identification unit 3, central processing unit 4 and valve positioner 5 and carry out work according to method flow of the present invention.
Whether the S200 detecting has the user:
By these human body sensor 11 detectings, whether there is the user using toilet, if nothing is carried out the step that step S300 upgrades the master slice image; If have, enter step S210.
S300 is pick-up image regularly:
By this central processing unit 4 control described image acquisition unit 2 with predetermined time interval regularly capture the image that toilet holds section and part pelvic part, then enter next step.
S310 upgrades the master slice image:
Using this image acquisition unit 2, obtained image upgrades and is stored in database 41 as the master slice image, and returns to the step whether step S200 detecting has the user.
The purpose of regularly upgrading the master slice image is that the image of excremental state is not arranged in the toilet that keeps up-to-date, and can not affect the work that follow-up image comparison is analyzed because of the factor such as water quality or long-time use of toilet and variable color.
Whether S210 detecting user leaves:
Whether left by described human body sensor 11 detecting users, if not, repeatedly carry out S210 detecting user and whether leave step; If carry out next step.
Rear image is used in the S220 acquisition:
Control the image after described image acquisition unit 2 real time acquisition toilets hold section and the use of part pelvic part by described central processing unit 4, and the image after using is sent to described central processing unit 4, then carry out next step.
S230 image analysing computer comparison:
The GTG of image or the inscape of RGB three-primary colours after decomposing the master slice images and use by described image identification unit 3, and analysed and compared, then by related data transmission to central processing unit 4.
S240 differentiates the excreta state:
The comparison data that draw with regard to S230 image analysing computer comparison step with described central processing unit 4 infer excremental kind (urine, ight soil or women's menstruation) and excreta deal the number, and judge needed discharging quantity of water.
The S250 bath:
Control described valve positioner 5 by described central processing unit 4, regulated according to required discharging quantity of water.
After S250 bath step completes, then be returned to the step of S100 startup.
Because the present invention uses the section of holding 64 of forward and backward toilet 6 and image on every side thereof by image acquisition unit 2 acquisitions, decompose the inscape of the GTG of images or RGB three-primary colours and analysed and compared by image identification unit 3 again, then by the central processing unit 4 excremental states of judgement and required discharging quantity of water, and driver's valve door controller 5 by-pass valve controls are washed by water, can reach like this effectiveness of water-saving and auto-flushing.
Refer to Fig. 4, Fig. 5 and Fig. 6, Fig. 4 is that image acquisition unit of the present invention is arranged at the first embodiment in toilet; Fig. 5 is that image acquisition unit of the present invention is arranged at the second embodiment in toilet; Fig. 6 is that image acquisition unit of the present invention is arranged at the 3rd embodiment in toilet.Wherein, as shown in Figure 4, image acquisition unit 2A to be arranged to the front center position of the seat cushion 66A root edge of this toilet 6A, and this image acquisition unit 2A is the form installing of tilting down, this image acquisition unit 2A can be captured and hold the 64A of section and be close to this and hold the image of the part pelvic part 61A of the 64A of section; As shown in Figure 5, image acquisition unit 2B to be arranged to the front end of a swing component 21B, when wanting pick-up image, this swing component 21B can move to the end that image acquisition unit 2B is set and hold the 64B of section top, this image acquisition unit 2B can be captured and hold the 64B of section and be close to this and hold the image of the part pelvic part 61B of the 64B of section; As shown in Figure 6, this image acquisition unit 2C to be arranged on to the hydrosphere 62C root edge rear side middle position of toilet 6C, and this image acquisition unit 2C is the form installing of tilting down, makes this image acquisition unit 2C can capture the section of holding and be close to this and hold the image of the part pelvic part of section.Above-mentioned various image acquisition units arrange the embodiment of variation, all can reach the effect identical with aforementioned the first embodiment.
In addition, this image acquisition unit also can arrange light source in addition, affects the quality of the image captured because of the difference of lavatory intraoral illumination condition situation to avoid.
The foregoing is only the preferred embodiments of the present invention; not thereby limit its scope of the claims; every equivalent structure or conversion of equivalent flow process that utilizes manual of the present invention and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (15)
1. a closet automatic flushing system, is characterized in that, comprising:
One human body sensor, whether it is to have the people using toilet for detecting;
One image acquisition unit, it is for capturing the image of toilet;
One image identification unit, it is for understanding the inscape of described image acquisition unit institute pick-up image;
One valve positioner, it is washed by water by the open/close states of valve in the control water-closet tank;
One central processing unit, it is to be electrically connected with described human body sensor, described image acquisition unit, described image identification unit and described valve positioner, and described central processing unit also is connected with a database, described database is for storing described central processing unit work desired data, described central processing unit receives the data that described image identification unit is understood, and carry out the image comparison analysis, thereby infer the number of excremental kind and deal, judge required discharging quantity of water, and drive described valve positioner to be washed by water.
2. closet automatic flushing system according to claim 1, it is characterized in that, described toilet is that a pelvic part is set in a pedestal, this pelvic part upper limb has a hydrosphere, described hydrosphere is communicated with a water tank, and described pelvic part bottom has the section of holding, and described section's one side of holding connects a blow-off pipe, described pedestal apical margin is provided with a seat cushion, and described image acquisition unit holds section and image on every side thereof for capturing described toilet.
3. closet automatic flushing system according to claim 1, is characterized in that, described human body sensor is a kind of weight sensor.
4. closet automatic flushing system according to claim 3, is characterized in that, described weight sensor is arranged on the seat cushion of described toilet.
5. closet automatic flushing system according to claim 1, is characterized in that, described human body sensor is an infrared ray sensor.
6. closet automatic flushing system according to claim 1, is characterized in that, described image acquisition unit is a CCD or CMOS.
7. closet automatic flushing system according to claim 1, it is characterized in that, described image acquisition unit is installed on the rear side middle position of described closet seat-cushion root edge, and this image acquisition unit is with the form setting towards having a down dip, and makes this image acquisition unit can capture the section of holding and image on every side thereof.
8. closet automatic flushing system according to claim 1, it is characterized in that, described image acquisition unit is installed on the front center position of described closet seat-cushion root edge, and this image acquisition unit is with the installing of the form towards having a down dip, and makes this image acquisition unit can capture the section of holding and image on every side thereof.
9. closet automatic flushing system according to claim 1, is characterized in that, described image acquisition unit is arranged at a swing component front end, and the end that described swing component is equiped with image acquisition unit is movable to toilet central authorities top.
10. closet automatic flushing system according to claim 1, is characterized in that, described image acquisition unit is arranged on described toilet hydrosphere root edge rear side middle position.
11. closet automatic flushing system according to claim 1, is characterized in that, described image identification unit is for understanding the GTG of image that described image acquisition unit provides or the inscape of three-primary colours.
12. closet automatic flushing system according to claim 1, is characterized in that, described valve positioner is a timer, for control valve open-interval length.
13. closet automatic flushing system according to claim 1 is characterized in that described image acquisition unit also is provided with a light source.
14. the control method of a closet automatic flushing system as claimed in claim 1, is characterized in that, comprising:
Start:
Start this image acquisition unit, image identification unit, central processing unit and valve positioner and carry out work;
Whether detecting has the user:
Whether the user is arranged using toilet, if nothing is detected the step whether user is arranged repeatedly by described human body sensor detecting; If have, enter next step;
Whether the detecting user leaves:
Whether left by described human body sensor detecting user, if not, repeatedly detected the user and whether leave step; If carry out next step;
Rear image is used in acquisition:
Control described image acquisition unit real time acquisition toilet by described central processing unit and use rear image, and after using, image is sent to described central processing unit;
The image analysing computer comparison:
Before being used by described image identification unit decomposition with use after the GTG of image or the inscape of RGB three-primary colours, and analysed and compared, then by related data transmission to central processing unit;
Differentiate the excreta state:
With described central processing unit by image analysing computer compare step gained comparison data infer excremental kind and excreta deal the number, and judge required discharging quantity of water;
Bath:
Control described valve positioner by described central processing unit, regulated according to required discharging quantity of water, after the bath step completes, then be returned to setting up procedure.
15. whether control method according to claim 14, have in user's step in described detecting, detects without the user when using toilet when this human body sensor, further comprises the following steps:
The timing pick-up image:
By this central processing unit control this image acquisition unit with predetermined time interval regularly capture the toilet image, then enter next step;
Upgrade the master slice image:
Using described image acquisition unit, obtained image upgrades and stores as the master slice image, and returns to regularly pick-up image step.
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| CN2012101614675A CN103422554A (en) | 2012-05-23 | 2012-05-23 | Automatic flushing system of toilet bowl |
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| CN2012101614675A CN103422554A (en) | 2012-05-23 | 2012-05-23 | Automatic flushing system of toilet bowl |
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| CN108131489A (en) * | 2017-11-30 | 2018-06-08 | 海尔优家智能科技（北京）有限公司 | water valve water outlet control method, device and water valve |
| CN108468368A (en) * | 2018-03-16 | 2018-08-31 | 北京小米移动软件有限公司 | A kind of method and apparatus of control closestool water spray |
| CN109024800A (en) * | 2018-07-17 | 2018-12-18 | 苏州韵之秋智能科技有限公司 | A kind of intelligent water-saving water closet |
| CN109837958A (en) * | 2019-02-27 | 2019-06-04 | 昆明理工大学 | A kind of intelligent closestool of adjustable flushing strength |
| TWI666364B (en) * | 2016-12-08 | 2019-07-21 | 合盈光電科技股份有限公司 | Toilet seat cover control system |
| CN111580393A (en) * | 2020-02-29 | 2020-08-25 | 佛山市云米电器科技有限公司 | Flushing control method, toilet and storage medium |
| CN111580394A (en) * | 2020-02-29 | 2020-08-25 | 佛山市云米电器科技有限公司 | Flush control method, toilet, system, and storage medium |
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| CN113718911A (en) * | 2021-07-23 | 2021-11-30 | 佛山市法恩洁具有限公司 | Non-contact intelligent closestool capable of distinguishing excrement and urine and control method thereof |
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