CN114305189A - Intelligent induction disinfection and sterilization air purification toilet lid - Google Patents
Intelligent induction disinfection and sterilization air purification toilet lid Download PDFInfo
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- CN114305189A CN114305189A CN202210111123.7A CN202210111123A CN114305189A CN 114305189 A CN114305189 A CN 114305189A CN 202210111123 A CN202210111123 A CN 202210111123A CN 114305189 A CN114305189 A CN 114305189A
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 62
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 55
- 238000004887 air purification Methods 0.000 title claims abstract description 46
- 230000006698 induction Effects 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 230000000694 effects Effects 0.000 claims abstract description 18
- 238000009535 clinical urine test Methods 0.000 claims description 48
- 238000012545 processing Methods 0.000 claims description 34
- 230000000877 morphologic effect Effects 0.000 claims description 26
- 210000002700 urine Anatomy 0.000 claims description 26
- 241000894006 Bacteria Species 0.000 claims description 24
- 238000012216 screening Methods 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 20
- 238000003708 edge detection Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000003709 image segmentation Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000249 desinfective effect Effects 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 4
- 239000007921 spray Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 8
- 238000005507 spraying Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000002421 anti-septic effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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- 230000003111 delayed effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of toilet covers, and discloses an intelligent induction sterilization air purification toilet cover which comprises an inner cover and an outer cover, wherein a control pump is fixedly connected to the inner surface of the inner cover, a hose is fixedly communicated with the right side surface of the control pump, a first mounting hole and a second mounting hole are respectively formed in the inner side surface of the inner cover, a first sprinkler head is fixedly mounted on the inner surface of the first mounting hole, a second sprinkler head is fixedly mounted on the inner surface of the second mounting hole, a distribution ring is arranged on the inner surface of the inner cover, an inner groove is formed in the distribution ring, a top hole is formed in the top surface of the inner cover, and a pressure sensor is fixedly mounted on the inner surface of the top hole. This intelligence response disinfection air purification toilet lid utilizes pressure sensor control pump work, utilizes two sets of hoses to suction in external liquid and the air purification liquid of disinfecting to carry out the blowout of liquid and the air purification liquid of disinfecting in proper order, realize disinfecting and air purification of closestool, effectively improve the treatment effect after the closestool uses, guarantee the cleanness of lavatory air.
Description
Technical Field
The invention relates to the technical field of toilet covers, in particular to an intelligent induction sterilization air purification toilet cover.
Background
The intelligent induction disinfection and sterilization air purification toilet lid has the advantages that the intelligent flushing effect is usually achieved in the using process, in the actual using process, the automatic flushing and heating functions are achieved, the odor problem cannot be well solved, the toilet bowl has certain odor residue after being flushed after being used, the odor of the toilet is unpleasant, the toilet is used, the disinfection and sterilization are not timely completed on the toilet bowl after flushing, the intelligent realization is difficult, and the using effect is poor.
In addition, current intelligent response disinfection and sterilization air purification toilet lid, in the use, on preheating, adopt heating equipment to arrange the inside of toilet lid inner cup in usually for the inner cup preheats when using, temperature when improving the wind contact, however this kind of preheating mode is only to inner cup itself, and the inside temperature of whole toilet is still not high when in actual use, only realizes preheating with the contact surface of inner cup, and the intensification effect of non-contact surface is not good, and the result of use is not good.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the intelligent induction sterilization air purification toilet lid, which has the advantages of intelligent sterilization, air purification and effective preheating, and solves the problems in the background art.
The invention provides the following technical scheme: intelligent response disinfection and sterilization air purification toilet lid, including the inner cup with rotate the connection and cover in the enclosing, the internal surface fixed connection of inner cup has the control pump, the fixed intercommunication of right flank of control pump has the hose, a mounting hole and No. two mounting holes have been seted up respectively to the medial surface of inner cup, the internal surface fixed mounting of a mounting hole has a sprinkler head, the internal surface fixed mounting of No. two mounting holes has No. two sprinkler heads, the internal surface of inner cup is equipped with the distribution ring, the inside groove has been seted up to the inside of distribution ring, inside groove and mounting hole and No. two mounting holes intercommunication, the top hole has been seted up to the top surface of inner cup, the internal surface fixed mounting in top hole has pressure sensor, fixedly connected with connecting wire between pressure sensor and the control pump.
Preferably, the number of the first sprinkler is at least two, two the first sprinkler is symmetrically distributed, the inlet end of the first sprinkler is communicated with the inside of the inner groove, the number of the second sprinkler is one, one end of the second sprinkler is communicated with the inside of the inner groove, the other end of the second sprinkler extends to the outside of the second mounting hole, and the outlet at one end of the second sprinkler, which is far away from the inner groove, is arranged downwards. The two groups of spraying heads realize effective spraying at multiple angles.
Preferably, the bottom surface of inner cup is equipped with the bottom plate, the sealed pad of top surface fixedly connected with of bottom plate, the arc groove has been seted up to the bottom surface of inner cup, the internal surface in arc groove cup joints with sealed pad activity, utilizes sealed pad and arc groove, improves sealed effect, avoids the inner cup inside to intake.
Preferably, the inner surface of inner cup fixedly connected with mount pad, the screw hole has been seted up No. one to the bottom surface of mount pad, the front end of inner cup bottom surface is equipped with No. two screw holes, No. one hole and No. two holes have been seted up respectively to the bottom surface of bottom plate, the internal surface activity in a hole has cup jointed No. one bolt, the surface and No. two screw hole screw thread of a bolt cup joint, the internal surface activity in No. two holes has cup jointed No. two bolts, the surface and a screw hole screw thread of No. two bolts cup joint.
Preferably, the side of the inner cover is provided with a connecting piece, a round shaft is arranged in the connecting piece, the side of the outer cover is fixedly connected with the connecting piece, and the connecting piece is fixedly connected with the round shaft.
Preferably, the internal surface fixedly connected with hot plate of enclosing cover, the hot plate adaptation utilizes the hot plate at top to realize the inside heating of closestool in the top of inner cup top surface, guarantees that ambient temperature is high, improves the comfort level.
Preferably, the side face of the inner cover is fixedly connected with a luminous sheet, the section of the luminous sheet is arc-shaped, the luminous sheet is used for realizing auxiliary lighting at night, and lighting is avoided.
Preferably, the number of the hoses is two, the right side surface of the inner cover is provided with a trepanning, and the inner surface of the trepanning is movably sleeved with the hoses.
Preferably, the intelligent induction disinfection and sterilization air purification toilet lid further comprises:
the pH urine test paper is arranged inside the closestool;
the determining module is used for sending a urine detection instruction to the image acquisition module after the end of toilet using of the user is determined;
the image acquisition module is arranged below the inner cover and used for acquiring a first pH urine test paper image soaked by urine in the closestool when receiving a urine detection instruction;
the image processing module is connected with the image acquisition module and is used for:
carrying out image graying processing on the first pH urine test paper image to obtain a grayscale image,
inputting the gray image into a first edge detection filter, and outputting a first gradient value of each pixel point in the gray image in the horizontal direction;
inputting the gray image into a second edge detection filter, and outputting a second gradient value of each pixel point in the gray image in the vertical direction;
calculating to obtain a gradient amplitude of each pixel point according to the first gradient value and the second gradient value of each pixel point;
performing histogram statistics on the gradient amplitude to obtain a gradient amplitude histogram, obtaining a maximum gradient amplitude and a minimum gradient amplitude in the gradient amplitude histogram, and calculating according to the maximum gradient amplitude and the minimum gradient amplitude to obtain a gradient amplitude difference value;
acquiring a first number of pixel points included in the gray level image;
counting a second number of pixel points with gradient amplitude of 0 in the gray level image;
calculating a ratio of the second quantity to the first quantity;
calculating the definition of the first pH urine test paper image according to the gradient amplitude difference value and the ratio, judging whether the definition is greater than a preset definition, performing definition enhancement treatment on the first pH urine test paper image when the definition is determined to be less than the preset definition, and taking the first pH urine test paper image after the definition enhancement treatment as a second pH urine test paper image;
a display module disposed outside the outer cover;
the first control module is respectively connected with the image processing module and the display module and is used for:
screening out a pixel point in the second pH urine test paper image, wherein the pixel point is located at the center position and serves as a first target pixel point, obtaining a first color value of each pixel point in a first rectangular area determined by taking the first target pixel point as the center, and calculating to obtain a first color mean value;
acquiring a second color value of each pixel point in a second rectangular area determined by taking the first target pixel point as a center; wherein the length of the first rectangular region is greater than the length of the second rectangular region and the width of the first rectangular region is greater than the width of the second rectangular region;
and respectively subtracting the second color values and the first color mean values to obtain a plurality of first color difference values, comparing the first color difference values with preset color difference values, screening out pixel points with the first color difference values smaller than the preset color difference values to obtain a second target pixel point set, calculating to obtain a second color mean value according to second color values of second target pixel points in the second target pixel point set, inquiring a preset data table according to the second color mean value to obtain the pH value of the urine of the user, and controlling the display module to display the pH value.
Preferably, the intelligent induction disinfection and sterilization air purification toilet lid further comprises:
the microscopic image acquisition module is arranged below the inner cover and used for acquiring a microscopic image of the inner wall of the closestool;
the image binarization module is connected with the microscopic image acquisition module and is used for:
carrying out image segmentation processing on the microscopic image to obtain a plurality of sub-microscopic images;
respectively carrying out edge detection on each sub-microscopic image to obtain edge pixel points in each sub-microscopic image;
screening out the sub-microscopic image with the largest number of edge pixel points as a standard sub-microscopic image, and calculating the ratio of the number of non-edge pixel points to the number of edge pixel points in the standard sub-microscopic image to obtain a standard edge ratio; multiplying the standard edge ratio by a preset multiple to obtain an edge ratio threshold;
respectively calculating the ratio of the number of non-edge pixel points to the number of edge pixel points in each sub-microscopic image to obtain the corresponding edge ratio of each sub-microscopic image;
respectively comparing the edge ratio corresponding to each sub-microscopic image with the edge ratio threshold value, screening out the sub-microscopic images with the edge ratio smaller than the edge ratio threshold value, and performing binarization processing according to a preset binarization threshold value to obtain an effective binarization image;
screening out the microscopic image with the edge ratio being more than or equal to the edge ratio threshold value as an image to be processed;
acquiring a gray value of each pixel point in the image to be processed, counting a gray histogram of each image to be processed, respectively acquiring a maximum gray value in the gray histogram, calculating a binarization threshold of each image to be processed based on an OTSU algorithm and the maximum gray value, and respectively performing binarization processing on the corresponding image to be processed according to the binarization threshold;
combining the effective binary image with the image to be processed after the binary processing to obtain a standard binary image;
the second control module is connected with the image binarization module and is used for:
analyzing the standard binary image based on a connected region analysis method to obtain a plurality of connected regions included in the standard binary image;
respectively extracting the characteristics of each communication area to obtain the morphological characteristics of each communication area; the morphological characteristics comprise at least one of shape factor, rectangularity and regularity;
respectively matching the morphological characteristics with morphological characteristics in a preset bacteria database, calculating to obtain a matching degree, counting the number of communication areas corresponding to the morphological characteristics of which the matching degree is greater than the preset matching degree, and obtaining the number of bacteria attached to the inner wall of the closestool according to the number of the communication areas;
and inquiring a preset bacteria quantity-sterilizing liquid weight table according to the bacteria quantity to obtain the corresponding sterilizing liquid weight, and sucking the sterilizing liquid by the hose according to the sterilizing liquid weight.
Compared with the prior art, the invention has the following beneficial effects:
this intelligence response disinfection air purification toilet lid, through add the control pump in the inside of inner cup, and set up a mounting hole and No. two mounting holes at the medial surface of inner cup, and set up the top hole at the top surface of inner cup, utilize pressure sensor to install in the top hole, after pressure sensor loses pressure, control pump time delay action, utilize two sets of hoses to suction in external antiseptic solution and the air purification liquid respectively, and carry out the blowout of antiseptic solution and air purification liquid in proper order, spray that utilizes a sprinkler head and No. two sprinkler heads in a mounting hole and No. two mounting holes to accomplish, utilize the antiseptic solution that sprays to realize the disinfection of closestool, utilize the air purification of the air purification liquid that sprays to realize the closestool, effectively improve the treatment effect after the closestool uses, guarantee the cleanness of lavatory air.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the inner cover of the present invention;
FIG. 3 is a schematic cross-sectional view of the structure of the present invention;
FIG. 4 is a schematic bottom view of the inner lid of the present invention construction;
FIG. 5 is a schematic view of the attachment of the inner cap to the dispensing ring in the construction of the present invention;
FIG. 6 is a schematic view of the attachment of the lid to the base in the construction of the present invention;
FIG. 7 is an exploded view of the structural backing plate of the present invention;
FIG. 8 is a block diagram of an intelligent induction disinfection and sterilization air purification toilet lid according to an embodiment of the present invention;
fig. 9 is a block diagram of an intelligent induction sterilization air purification toilet cover according to still another embodiment of the present invention.
In the figure: 1. an inner cover; 2. a connecting member; 3. an outer cover; 4. a connecting member; 5. a first mounting hole; 6. a second mounting hole; 7. a distribution ring; 8. an inner tank; 9. controlling the pump; 10. a connecting pipe; 11. a hose; 12. trepanning; 13. a first sprinkler head; 14. a second sprinkler head; 15. a top aperture; 16. a pressure sensor; 17. a connecting wire; 18. a circular shaft; 19. a night light sheet; 21. a base plate; 22. an arc groove; 23. a gasket; 24. a first hole; 25. a second hole; 26. a second bolt; 27. a first bolt; 28. a mounting seat; 29. a first threaded hole; 31. a second threaded hole; 33. heating plates; 34. a determination module; 35. an image acquisition module; 36. an image processing module; 37. a display module; 38. a first control module; 39. a microscopic image acquisition module; 40. an image binarization module; 41. and a second control module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides an intelligent induction sterilization air purification toilet cover, including an inner cover 1 and an outer cover 3 rotatably connected to the inner cover 1, the inner surface of the inner cover 1 is fixedly connected with a control pump 9, the right side surface of the control pump 9 is fixedly communicated with a hose 11, the control pump 9 is of a conventional structure for delayed ejection, the hose 11 is communicated with the outside air purification liquid and the sterilization liquid to realize the suction of the air purification liquid and the sterilization liquid by the control pump 9, the inner side surface of the inner cover 1 is respectively provided with a first mounting hole 5 and a second mounting hole 6, the inner surface of the first mounting hole 5 is fixedly provided with a first sprinkler 13, the inner surface of the second mounting hole 6 is fixedly provided with a second sprinkler 14, the inner surface of the inner cover 1 is provided with a distribution ring 7, the distribution ring 7 is internally provided with an inner groove 8, the inner groove 8 is communicated with the outlet end of the control pump 9 through a connecting pipe 10, the inner groove 8 is respectively communicated with the first mounting hole 5 and the second mounting hole 6, the top surface of the inner cover 1 is provided with a top hole 15, the inner surface of the top hole 15 is fixedly provided with a pressure sensor 16, a connecting wire 17 is fixedly connected between the pressure sensor 16 and the control pump 9, the pressure sensor 16 transmits a signal to the control pump 9 under the pressure loss effect, then the control pump 9 sucks the sterilizing liquid and the air purifying liquid into the control pump 9 at intervals by using a hose 11 and conveys the sterilizing liquid and the air purifying liquid to the inner groove 8 through the connecting pipe, the distribution of the sterilizing liquid and the air purifying liquid is realized by using the distribution ring 7, and the first spray head 13 and the second spray head 14 sequentially complete the atomization and the spraying of the sterilizing liquid and the air purifying liquid.
Referring to fig. 3, 4 and 5, the number of the first spray heads 13 is at least two, the two first spray heads 13 are symmetrically distributed, the inlet end of the first spray head 13 is communicated with the inside of the inner tank 8, the number of the second spray heads 14 is one, one end of the second spray head 14 is communicated with the inside of the inner tank 8, the other end of the second spray head 14 extends to the outside of the second mounting hole 6, and the outlet of the second spray head 14, which is far away from one end of the inner tank 8, is downwards arranged, so that multi-angle air purification and disinfection and sterilization in the toilet are realized;
the bottom surface of inner cup 1 is equipped with bottom plate 21, and the sealed pad 23 of top surface fixedly connected with of bottom plate 21, and arc groove 22 has been seted up to the bottom surface of inner cup 1, and the internal surface of arc groove 22 cup joints with sealed pad 23 activity, utilizes sealed pad 23 to improve sealed effect, avoids inside intaking.
Referring to fig. 6 and 7, an installation seat 28 is fixedly connected to the inner surface of the inner lid 1, a first threaded hole 29 is formed in the bottom surface of the installation seat 28, a second threaded hole 31 is formed in the front end of the bottom surface of the inner lid 1, a first hole 24 and a second hole 25 are respectively formed in the bottom surface of the bottom plate 21, a first bolt 27 is movably sleeved on the inner surface of the first hole 24, the outer surface of the first bolt 27 is in threaded sleeve connection with the second threaded hole 31, a second bolt 26 is movably sleeved on the inner surface of the second hole 25, the outer surface of the second bolt 26 is in threaded sleeve connection with the first threaded hole 29, and the first bolt 27 and the second bolt 26 are used for achieving installation and fixation of the bottom plate 21 and keeping sealing;
the side surface of the inner cover 1 is provided with a connecting piece 2, a round shaft 18 is arranged inside the connecting piece 2, the side surface of the outer cover 3 is fixedly connected with a connecting piece 4, the inner cover 1 and the outer cover 3 are assembled and installed by utilizing the round shaft 18 and the connecting piece 4, and the connecting piece 4 is fixedly connected with the round shaft 18;
the inner surface of the outer cover 3 is fixedly connected with a heating plate 33, and the heating plate 33 is adapted above the top surface of the inner cover 1;
the side surface of the inner cover 1 is fixedly connected with a night light sheet 19, the night light sheet 19 is used for improving the night lighting effect, and the section of the night light sheet 19 is arc-shaped;
the quantity of hose 11 is two, and the right flank of inner cup 1 has seted up trepanning 12, and the internal surface of trepanning 12 cup joints with hose 11 activity, and one of them hose 11 is external to have antiseptic solution, and another hose 11 is external to have air purification liquid.
The working principle is as follows: when the closestool is used in winter, the heating plate 33 is closed, the outer cover 3 is opened and the heating plate 33 is closed after a heat session, a user sits on the top surface of the inner cover 1, the temperature of the surface of the inner cover 1 and the temperature of the inner part of the closestool are both high, after the closestool is used, the user stands up, the pressure sensor 16 acts, signals are transmitted to the control pump 9 through the connecting line 17, the control pump 9 delays the action, firstly, the sterilizing liquid is sucked through the hose 11 and is sucked into the control pump 9, then, the control pump 9 transmits the sterilizing liquid into the inner groove 8 through the connecting pipe 10 and is distributed into the first spraying head 13 and the second spraying head 14 through the distribution ring 7, the sterilizing liquid is atomized and sprayed out, the sterilizing liquid is utilized to realize the sterilizing and disinfecting of the closestool, then, after the sterilizing liquid is completely sprayed out, the control pump 9 pumps the air purification liquid through the other hose 11, the air purification liquid enters the control pump 9 and is then transmitted into the inner groove through the connecting pipe 10, the air purification liquid is distributed into the first spray head 13 and the second spray head 14 through the distribution ring 7, the air purification liquid is sprayed in an atomized mode, air purification of the closestool is achieved through the sprayed air purification liquid, cleaning is completed, the treatment effect of the closestool after use is effectively improved, and air cleaning of the toilet is guaranteed.
As shown in fig. 8, the present invention provides a technical solution, wherein the intelligent induction sterilizing air purification toilet lid further comprises:
the pH urine test paper is arranged inside the closestool;
the determining module 34 is configured to send a urine detection instruction to the image acquiring module 35 after it is determined that the toilet using of the user is finished;
the image acquisition module 35 is arranged below the inner cover 1 and used for acquiring a first pH urine test paper image of the interior of the toilet wetted by urine when receiving a urine detection instruction;
an image processing module 36, connected to the image acquiring module 35, for:
carrying out image graying processing on the first pH urine test paper image to obtain a grayscale image,
inputting the gray image into a first edge detection filter, and outputting a first gradient value of each pixel point in the gray image in the horizontal direction;
inputting the gray image into a second edge detection filter, and outputting a second gradient value of each pixel point in the gray image in the vertical direction;
calculating to obtain a gradient amplitude of each pixel point according to the first gradient value and the second gradient value of each pixel point;
performing histogram statistics on the gradient amplitude to obtain a gradient amplitude histogram, obtaining a maximum gradient amplitude and a minimum gradient amplitude in the gradient amplitude histogram, and calculating according to the maximum gradient amplitude and the minimum gradient amplitude to obtain a gradient amplitude difference value;
acquiring a first number of pixel points included in the gray level image;
counting a second number of pixel points with gradient amplitude of 0 in the gray level image;
calculating a ratio of the second quantity to the first quantity;
calculating the definition of the first pH urine test paper image according to the gradient amplitude difference value and the ratio, judging whether the definition is greater than a preset definition, performing definition enhancement treatment on the first pH urine test paper image when the definition is determined to be less than the preset definition, and taking the first pH urine test paper image after the definition enhancement treatment as a second pH urine test paper image;
a display module 37 disposed outside the outer cover 3;
a first control module 38, respectively connected to the image processing module 36 and the display module 37, for:
screening out a pixel point in the second pH urine test paper image, wherein the pixel point is located at the center position and serves as a first target pixel point, obtaining a first color value of each pixel point in a first rectangular area determined by taking the first target pixel point as the center, and calculating to obtain a first color mean value;
acquiring a second color value of each pixel point in a second rectangular area determined by taking the first target pixel point as a center; wherein the length of the first rectangular region is greater than the length of the second rectangular region and the width of the first rectangular region is greater than the width of the second rectangular region.
And respectively subtracting the second color value from the first color mean value to obtain a plurality of first color difference values, comparing the first color difference values with preset color difference values, screening out the pixels with the first color difference values smaller than the preset color difference values to obtain a second target pixel point set, calculating to obtain a second color mean value according to the second color values of the second target pixels included in the second target pixel point set, inquiring a preset data table according to the second color mean value to obtain the pH value of the urine of the user, and controlling the display module 37 to display the pH value.
The working principle of the scheme is as follows: the pH urine test paper is arranged inside the closestool; the determining module 34 is configured to send a urine detection instruction to the image acquiring module 35 after determining that the toilet using of the user is finished; the image obtaining module 35 is configured to obtain a first pH urine test paper image of the toilet wetted by urine when receiving a urine detection instruction; the image processing module 36 is configured to perform image graying processing on the first pH urine test paper image to obtain a grayscale image, input the grayscale image into a first edge detection filter, and output a first gradient value of each pixel point in the grayscale image in the horizontal direction; inputting the gray image into a second edge detection filter, and outputting a second gradient value of each pixel point in the gray image in the vertical direction; calculating to obtain a gradient amplitude of each pixel point according to the first gradient value and the second gradient value of each pixel point; performing histogram statistics on the gradient amplitude to obtain a gradient amplitude histogram, obtaining a maximum gradient amplitude and a minimum gradient amplitude in the gradient amplitude histogram, and calculating according to the maximum gradient amplitude and the minimum gradient amplitude to obtain a gradient amplitude difference value; acquiring a first number of pixel points included in the gray level image; counting a second number of pixel points with gradient amplitude of 0 in the gray level image; calculating a ratio of the second quantity to the first quantity; calculating the definition of the first pH urine test paper image according to the gradient amplitude difference value and the ratio, judging whether the definition is greater than a preset definition, performing definition enhancement treatment on the first pH urine test paper image when the definition is determined to be less than the preset definition, and taking the first pH urine test paper image after the definition enhancement treatment as a second pH urine test paper image; the first control module 38 is configured to screen out a pixel point in the second pH urine test paper image, which is located at the center, as a first target pixel point, obtain a first color value of each pixel point in a first rectangular region determined by taking the first target pixel point as the center, and calculate to obtain a first color mean value; acquiring a second color value of each pixel point in a second rectangular area determined by taking the first target pixel point as a center; wherein the length of the first rectangular region is greater than the length of the second rectangular region and the width of the first rectangular region is greater than the width of the second rectangular region. And respectively subtracting the second color value from the first color mean value to obtain a plurality of first color difference values, comparing the first color difference values with preset color difference values, screening out the pixels with the first color difference values smaller than the preset color difference values to obtain a second target pixel point set, calculating to obtain a second color mean value according to the second color values of the second target pixels included in the second target pixel point set, inquiring a preset data table according to the second color mean value to obtain the pH value of the urine of the user, and controlling the display module 37 to display the pH value.
The beneficial effect of above-mentioned scheme: the pH value of the human urine reflects the acid-base balance condition in the body and the condition of the kidney regulation function, and the health condition of the human body can be well fed back, so that the scheme provides the method for detecting the pH value of the urine of the user, and the method has the advantages of full automation, high speed and high accuracy; the determining module 34 is configured to send a urine detection instruction to the image acquiring module 35 after determining that the toilet using of the user is finished; the image obtaining module 35 is configured to obtain a first pH urine test paper image of the toilet wetted by urine when receiving a urine detection instruction; acquiring a first pH urine test paper image is a necessary premise for detecting the pH value of urine of a user; the image processing module 36 is configured to perform image graying on the first pH urine test paper image to obtain a grayscale image, where the image graying on the first pH urine test paper image is to input the grayscale image into a first edge detection filter to avoid image banding distortion, and output a first gradient value of each pixel point in the grayscale image in the horizontal direction; inputting the gray image into a second edge detection filter, and outputting a second gradient value of each pixel point in the gray image in the vertical direction; calculating to obtain a gradient amplitude of each pixel point according to the first gradient value and the second gradient value of each pixel point; performing histogram statistics on the gradient amplitude to obtain a gradient amplitude histogram, obtaining a maximum gradient amplitude and a minimum gradient amplitude in the gradient amplitude histogram, and calculating according to the maximum gradient amplitude and the minimum gradient amplitude to obtain a gradient amplitude difference value; acquiring a first number of pixel points included in the gray level image; counting a second number of pixel points with gradient amplitude of 0 in the gray level image; calculating a ratio of the second quantity to the first quantity; calculating the definition of the first pH urine test paper image according to the gradient amplitude difference value and the ratio, judging whether the definition is greater than a preset definition, performing definition enhancement treatment on the first pH urine test paper image when the definition is determined to be less than the preset definition, and taking the first pH urine test paper image after the definition enhancement treatment as a second pH urine test paper image; blurring is a common factor influencing image quality, image blurring can be caused by inaccurate focusing of a camera or relative motion between the camera and a target, the definition of the first pH urine test paper image is more accurate through calculation of the gradient amplitude difference value and the ratio, the accuracy of calculating the definition of the first pH urine test paper image is improved, when the definition is smaller than a preset definition, definition enhancement processing is conveniently carried out on the first pH urine test paper image, so that the second first pH urine test paper image is more clear, and the accuracy of finally detecting the pH value of urine is improved; the pH urine test paper is used for testing a pH value in urine, and determines that the pH value in urine is influenced by a material of a test paper color lump through a color of the pH urine test paper, and colors of pixel points obtained at different positions of a test paper color lump image are different, so that if an effective color in the test paper is a heavy weight in accurate obtaining, the first control module 38 is used for screening out a pixel point at a central position in the second pH urine test paper image as a first target pixel point, obtaining a first color value of each pixel point in a first rectangular region determined by taking the first target pixel point as a center, and calculating to obtain a first color mean value; acquiring a second color value of each pixel point in a second rectangular area determined by taking the first target pixel point as a center; wherein the length of the first rectangular region is greater than the length of the second rectangular region and the width of the first rectangular region is greater than the width of the second rectangular region. And respectively subtracting the second color value and the first color mean value to obtain a plurality of first color difference values, comparing the first color difference values with preset color difference values, screening out pixel points with the first color difference values smaller than the preset color difference values to obtain a second target pixel point set, calculating to obtain a second color mean value according to second color values of second target pixel points in the second target pixel point set, inquiring a preset data table according to the second color mean value to accurately obtain the heavy effective color of a second pH urine test paper image, so that the obtained pH value of the urine of the user is more accurate, and the display module 37 is controlled to display the pH value, so that the user can know the own physical condition at any time, and the experience of the user is improved.
As shown in fig. 9, the present invention provides a technical solution, wherein the intelligent induction sterilizing air purification toilet lid further comprises:
a microscopic image acquisition module 39 arranged below the inner cover 1 and used for acquiring a microscopic image of the inner wall of the toilet;
an image binarization module 40 connected to the microscopic image acquisition module 39, and configured to:
carrying out image segmentation processing on the microscopic image to obtain a plurality of sub-microscopic images;
respectively carrying out edge detection on each sub-microscopic image to obtain edge pixel points in each sub-microscopic image;
screening out the sub-microscopic image with the largest number of edge pixel points as a standard sub-microscopic image, and calculating the ratio of the number of non-edge pixel points to the number of edge pixel points in the standard sub-microscopic image to obtain a standard edge ratio; multiplying the standard edge ratio by a preset multiple to obtain an edge ratio threshold;
respectively calculating the ratio of the number of non-edge pixel points to the number of edge pixel points in each sub-microscopic image to obtain the corresponding edge ratio of each sub-microscopic image;
respectively comparing the edge ratio corresponding to each sub-microscopic image with the edge ratio threshold value, screening out the sub-microscopic images with the edge ratio smaller than the edge ratio threshold value, and performing binarization processing according to a preset binarization threshold value to obtain an effective binarization image;
screening out the microscopic image with the edge ratio being more than or equal to the edge ratio threshold value as an image to be processed;
acquiring a gray value of each pixel point in the image to be processed, counting a gray histogram of each image to be processed, respectively acquiring a maximum gray value in the gray histogram, calculating a binarization threshold of each image to be processed based on an OTSU algorithm and the maximum gray value, and respectively performing binarization processing on the corresponding image to be processed according to the binarization threshold;
combining the effective binary image with the image to be processed after the binary processing to obtain a standard binary image;
a second control module 41, connected to the image binarization module 40, for:
analyzing the standard binary image based on a connected region analysis method to obtain a plurality of connected regions included in the standard binary image;
respectively extracting the characteristics of each communication area to obtain the morphological characteristics of each communication area; the morphological characteristics comprise at least one of shape factor, rectangularity and regularity;
respectively matching the morphological characteristics with morphological characteristics in a preset bacteria database, calculating to obtain a matching degree, counting the number of communication areas corresponding to the morphological characteristics of which the matching degree is greater than the preset matching degree, and obtaining the number of bacteria attached to the inner wall of the closestool according to the number of the communication areas;
and inquiring a preset bacteria quantity-sterilizing liquid weight table according to the bacteria quantity to obtain the corresponding sterilizing liquid weight, and sucking the sterilizing liquid by the hose according to the sterilizing liquid weight.
The working principle of the scheme is as follows: the microscopic image acquisition module 39 is used for acquiring microscopic images of the inner wall of the toilet; the image binarization module 40 is used for performing image segmentation processing on the microscopic image to obtain a plurality of sub microscopic images; respectively carrying out edge detection on each sub-microscopic image to obtain edge pixel points in each sub-microscopic image; screening out the sub-microscopic image with the largest number of edge pixel points as a standard sub-microscopic image, and calculating the ratio of the number of non-edge pixel points to the number of edge pixel points in the standard sub-microscopic image to obtain a standard edge ratio; multiplying the standard edge ratio by a preset multiple to obtain an edge ratio threshold; respectively calculating the ratio of the number of non-edge pixel points to the number of edge pixel points in each sub-microscopic image to obtain the corresponding edge ratio of each sub-microscopic image; respectively comparing the edge ratio corresponding to each sub-microscopic image with the edge ratio threshold value, screening out the sub-microscopic images with the edge ratio smaller than the edge ratio threshold value, and performing binarization processing according to a preset binarization threshold value to obtain an effective binarization image; screening out the microscopic image with the edge ratio being more than or equal to the edge ratio threshold value as an image to be processed; acquiring a gray value of each pixel point in the image to be processed, counting a gray histogram of each image to be processed, respectively acquiring a maximum gray value in the gray histogram, calculating a binarization threshold of each image to be processed based on an OTSU algorithm and the maximum gray value, and respectively performing binarization processing on the corresponding image to be processed according to the binarization threshold; combining the effective binary image with the image to be processed after the binary processing to obtain a standard binary image; the second control module 41 is configured to analyze the standard binarized image based on a connected region analysis method to obtain a plurality of connected regions included in the standard binarized image; respectively extracting the characteristics of each communication area to obtain the morphological characteristics of each communication area; the morphological characteristics comprise at least one of shape factor, rectangularity and regularity; respectively matching the morphological characteristics with morphological characteristics in a preset bacteria database, calculating to obtain a matching degree, counting the number of communication areas corresponding to the morphological characteristics of which the matching degree is greater than the preset matching degree, and obtaining the number of bacteria attached to the inner wall of the closestool according to the number of the communication areas; and inquiring a preset bacteria quantity-sterilizing liquid weight table according to the bacteria quantity to obtain the corresponding sterilizing liquid weight, and sucking the sterilizing liquid by the hose according to the sterilizing liquid weight.
The beneficial effect of above-mentioned scheme: the hose pumps the sterilization liquid to sterilize the closestool, and the weight of the sterilization liquid is further determined according to bacteria attached to the inner part of the closestool, so that not only can the waste of resources be reduced, but also the intelligence of the closestool cover can be increased; obtaining a microscopic image of the inner wall of the closestool is a necessary premise for detecting the number of bacteria on the inner wall of the closestool; the accurate binaryzation of the microscopic image is an important step in the detection process; the image binarization module 40 is used for performing image segmentation processing on the microscopic image to obtain a plurality of sub microscopic images; respectively carrying out edge detection on each sub-microscopic image to obtain edge pixel points in each sub-microscopic image; screening out the sub-microscopic image with the largest number of edge pixel points as a standard sub-microscopic image, and calculating the ratio of the number of non-edge pixel points to the number of edge pixel points in the standard sub-microscopic image to obtain a standard edge ratio; multiplying the standard edge ratio by a preset multiple to obtain an edge ratio threshold; wherein the preset multiple is twice; respectively calculating the ratio of the number of non-edge pixel points to the number of edge pixel points in each sub-microscopic image to obtain the corresponding edge ratio of each sub-microscopic image; respectively comparing the edge ratio corresponding to each sub-microscopic image with the edge ratio threshold value, screening out the sub-microscopic images with the edge ratio smaller than the edge ratio threshold value, wherein the sub-microscopic images with the edge ratio smaller than the edge ratio threshold value are relatively uniform images, and performing binarization processing according to a preset binarization threshold value to obtain effective binarization images; screening out the microscopic image with the edge ratio being more than or equal to the edge ratio threshold value as an image to be processed; acquiring the gray value of each pixel point in the image to be processed, counting the gray histogram of each image to be processed, respectively acquiring the maximum gray value in the gray histogram, calculating the binarization threshold of each image to be processed based on the OTSU algorithm and the maximum gray value, effectively eliminating the influence on the binarization of the image block due to uneven brightness, and respectively performing binarization processing on the corresponding image to be processed according to the binarization threshold; the obtained binary image is more accurate; combining the effective binary image with the image to be processed after the binary processing to obtain a standard binary image; the second control module 41 is configured to analyze the standard binarized image based on a connected region analysis method to obtain a plurality of connected regions included in the standard binarized image; respectively extracting the characteristics of each communication area to obtain the morphological characteristics of each communication area; the morphological characteristics comprise at least one of shape factor, rectangularity and regularity; respectively matching the morphological characteristics with morphological characteristics in a preset bacteria database, and calculating to obtain a matching degree, wherein the preset bacteria database comprises morphological characteristics corresponding to a plurality of bacteria; counting the number of communication areas corresponding to the morphological characteristics of which the matching degree is greater than the preset matching degree, and obtaining the number of bacteria attached to the inner wall of the closestool according to the number of the communication areas; according to the method, a preset bacteria quantity-sterilizing liquid weight table is inquired according to the bacteria quantity to obtain the corresponding sterilizing liquid weight, and the hose sucks the sterilizing liquid according to the sterilizing liquid weight, so that the waste of resources is reduced, and the practicability of the device is improved.
The invention provides a technical scheme, the intelligent induction disinfection and sterilization air purification toilet lid further comprises:
the alarm module is arranged outside the outer cover 3;
the third control module is connected with the alarm module and used for calculating the volume flow of the second sprinkler head 14, judging whether the volume flow is smaller than a preset volume flow or not, and controlling the alarm module to send an alarm prompt when the volume flow is smaller than the preset volume flow;
the calculating the volume flow of the second sprinkler head 14 comprises the following steps:
calculating the flow coefficient λ of the sprinkler head number two 14 as shown in equation (1):
wherein r is1A radius of a hose to which the second sprinkler is connected; r is2Is the radius of the nozzle; k is the ratio of the sectional area of the liquid flow to the sectional area of the spray holes included by the second spray head; ζ is a geometric characteristic parameter of the second sprinkler head;
calculating the volume flow Q of the second sprinkler head 14 according to the flow coefficient lambda of the second sprinkler head 14, as shown in the formula (2):
wherein g is the acceleration of gravity; beta is the height difference from the liquid level of the sterilizing liquid to the second spraying head.
The working principle of the scheme is as follows: and the third control module is used for calculating the volume flow of the second sprinkler head 14, judging whether the volume flow is smaller than the preset volume flow or not, and controlling the alarm module to send out an alarm prompt when the volume flow is determined to be smaller than the preset volume flow.
The beneficial effect of above-mentioned scheme: the second sprinkler head 14 is a core component of the device, the second sprinkler head 14 sprays the sterilizing liquid, and if the second sprinkler head 14 is blocked, the inner wall of the closestool can be incompletely disinfected. Further, the safety and health of the user are affected, the volume flow of the second sprinkler head 14 refers to the volume of liquid passing through the second sprinkler head 14 in unit time, and if the volume flow of the second sprinkler head 14 is too small, the second sprinkler head 14 is blocked; therefore, it is necessary to calculate the volume flow of the second sprinkler head 14, and when calculating the volume flow of the second sprinkler head 14, the gravity acceleration, the height difference from the liquid level of the sterilizing liquid to the second sprinkler head and other factors are considered, so that the calculated volume flow is more accurate, the accuracy of judging the volume flow and the preset volume flow is improved, and when the volume flow is smaller than the preset volume flow, the alarm module is controlled to send an alarm prompt to remind a user to dredge the second sprinkler head 14 in time, so as to wrap the volume flow of the second sprinkler head 14, thereby ensuring the sterilizing effect of the second sprinkler head 14, and further improving the safety of the user.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Intelligent induction disinfection and sterilization air purification toilet lid, including inner cup (1) and rotation connection enclosing cover (3) on inner cup (1), its characterized in that: the inner surface of the inner cover (1) is fixedly connected with a control pump (9), the right side surface of the control pump (9) is fixedly communicated with a hose (11), the inner side surface of the inner cover (1) is respectively provided with a first mounting hole (5) and a second mounting hole (6), the inner surface of the first mounting hole (5) is fixedly provided with a first sprinkler head (13), the inner surface of the second mounting hole (6) is fixedly provided with a second sprinkler head (14), the inner surface of the inner cover (1) is provided with a distribution ring (7), the inner part of the distribution ring (7) is provided with an inner groove (8), the inner groove (8) is communicated with the outlet end of the control pump (9) through a connecting pipe (10), the inner groove (8) is respectively communicated with the first mounting hole (5) and the second mounting hole (6), the top surface of the inner cover (1) is provided with a top hole (15), the inner surface of the top hole (15) is fixedly provided with a pressure sensor (16), and a connecting wire (17) is fixedly connected between the pressure sensor (16) and the control pump (9).
2. The intelligent induction disinfection and sterilization air purification toilet lid according to claim 1, wherein: the number of a sprinkler head (13) is two at least, two a sprinkler head (13) symmetric distribution, an entry end of a sprinkler head (13) with inside intercommunication of interior groove (8), the quantity of No. two sprinkler head (14) is one, No. two sprinkler head (14) one end with inside intercommunication of interior groove (8), No. two sprinkler head (14) other end extends to No. two mounting hole (6) outsides, No. two sprinkler head (14) are kept away from export of interior groove (8) one end sets up down.
3. The intelligent induction disinfection and sterilization air purification toilet lid according to claim 1, wherein: the bottom surface of inner cup (1) is equipped with bottom plate (21), the sealed pad (23) of top surface fixedly connected with of bottom plate (21), arc groove (22) have been seted up to the bottom surface of inner cup (1), the internal surface and the sealed pad (23) activity of arc groove (22) are cup jointed.
4. The intelligent induction disinfection and sterilization air purification toilet lid according to claim 3, wherein: the utility model discloses a bolt, including inner cup (1), internal surface fixedly connected with mount pad (28), threaded hole (29) No. one have been seted up to the bottom surface of mount pad (28), the front end of inner cup (1) bottom surface is equipped with No. two screw holes (31), No. one hole (24) and No. two holes (25) have been seted up respectively to the bottom surface of bottom plate (21), No. one bolt (27) have been cup jointed in the internal surface activity of a hole (24), the surface and No. two screw hole (31) screw thread of a bolt (27) cup joint, No. two bolt (26) have been cup jointed in the internal surface activity of No. two holes (25), the surface and No. one screw hole (29) screw thread of No. two bolt (26) cup joint.
5. The intelligent induction disinfection and sterilization air purification toilet lid according to claim 1, wherein: the side of inner cup (1) is equipped with connecting piece (2), the inside of connecting piece (2) is equipped with circle axle (18), the side fixedly connected with connecting piece (4) of enclosing cover (3).
6. The intelligent induction disinfection and sterilization air purification toilet lid according to claim 1, wherein: the internal surface fixed connection of enclosing cover (3) has hot plate (33), hot plate (33) adaptation is in the top of inner cup (1) top surface.
7. The intelligent induction disinfection and sterilization air purification toilet lid according to claim 1, wherein: the side face of the inner cover (1) is fixedly connected with a luminous sheet (19), and the section of the luminous sheet (19) is arc-shaped.
8. The intelligent induction disinfection and sterilization air purification toilet lid according to claim 1, wherein: the number of the hoses (11) is two, the right side surface of the inner cover (1) is provided with a sleeve hole (12), and the inner surface of the sleeve hole (12) is movably sleeved with the hoses (11).
9. The intelligent induction disinfection and sterilization air purification toilet lid according to claim 1, further comprising:
the pH urine test paper is arranged inside the closestool;
the determining module (34) is used for sending a urine detection instruction to the image acquiring module (35) after the end of the toilet use of the user is determined;
the image acquisition module (35) is arranged below the inner cover (1) and used for acquiring a first pH urine test paper image of the interior of the closestool soaked by urine when receiving a urine detection instruction;
an image processing module (36) connected to the image acquisition module (35) for:
carrying out image graying processing on the first pH urine test paper image to obtain a grayscale image,
inputting the gray image into a first edge detection filter, and outputting a first gradient value of each pixel point in the gray image in the horizontal direction;
inputting the gray image into a second edge detection filter, and outputting a second gradient value of each pixel point in the gray image in the vertical direction;
calculating to obtain a gradient amplitude of each pixel point according to the first gradient value and the second gradient value of each pixel point;
performing histogram statistics on the gradient amplitude to obtain a gradient amplitude histogram, obtaining a maximum gradient amplitude and a minimum gradient amplitude in the gradient amplitude histogram, and calculating according to the maximum gradient amplitude and the minimum gradient amplitude to obtain a gradient amplitude difference value;
acquiring a first number of pixel points included in the gray level image;
counting a second number of pixel points with gradient amplitude of 0 in the gray level image;
calculating a ratio of the second quantity to the first quantity;
calculating the definition of the first pH urine test paper image according to the gradient amplitude difference value and the ratio, judging whether the definition is greater than a preset definition, performing definition enhancement treatment on the first pH urine test paper image when the definition is determined to be less than the preset definition, and taking the first pH urine test paper image after the definition enhancement treatment as a second pH urine test paper image;
a display module (37) disposed outside the outer cover (3);
a first control module (38) respectively connected to the image processing module (36) and the display module (37) for:
screening out a pixel point in the second pH urine test paper image, wherein the pixel point is located at the center position and serves as a first target pixel point, obtaining a first color value of each pixel point in a first rectangular area determined by taking the first target pixel point as the center, and calculating to obtain a first color mean value;
acquiring a second color value of each pixel point in a second rectangular area determined by taking the first target pixel point as a center; wherein the length of the first rectangular region is greater than the length of the second rectangular region and the width of the first rectangular region is greater than the width of the second rectangular region;
and respectively subtracting the second color values and the first color mean values to obtain a plurality of first color difference values, comparing the first color difference values with preset color difference values, screening out pixel points with the first color difference values smaller than the preset color difference values to obtain a second target pixel point set, calculating to obtain a second color mean value according to second color values of second target pixel points included in the second target pixel point set, inquiring a preset data table according to the second color mean value to obtain the pH value of the urine of the user, and controlling the display module (37) to display the pH value.
10. The intelligent induction disinfection and sterilization air purification toilet lid according to claim 1, further comprising:
the microscopic image acquisition module (39) is arranged below the inner cover (1) and is used for acquiring a microscopic image of the inner wall of the closestool;
an image binarization module (40), connected to the microscopic image acquisition module (39), for:
carrying out image segmentation processing on the microscopic image to obtain a plurality of sub-microscopic images;
respectively carrying out edge detection on each sub-microscopic image to obtain edge pixel points in each sub-microscopic image;
screening out the sub-microscopic image with the largest number of edge pixel points as a standard sub-microscopic image, and calculating the ratio of the number of non-edge pixel points to the number of edge pixel points in the standard sub-microscopic image to obtain a standard edge ratio; multiplying the standard edge ratio by a preset multiple to obtain an edge ratio threshold;
respectively calculating the ratio of the number of non-edge pixel points to the number of edge pixel points in each sub-microscopic image to obtain the corresponding edge ratio of each sub-microscopic image;
respectively comparing the edge ratio corresponding to each sub-microscopic image with the edge ratio threshold value, screening out the sub-microscopic images with the edge ratio smaller than the edge ratio threshold value, and performing binarization processing according to a preset binarization threshold value to obtain an effective binarization image;
screening out the microscopic image with the edge ratio being more than or equal to the edge ratio threshold value as an image to be processed;
acquiring a gray value of each pixel point in the image to be processed, counting a gray histogram of each image to be processed, respectively acquiring a maximum gray value in the gray histogram, calculating a binarization threshold of each image to be processed based on an OTSU algorithm and the maximum gray value, and respectively performing binarization processing on the corresponding image to be processed according to the binarization threshold;
combining the effective binary image with the image to be processed after the binary processing to obtain a standard binary image;
a second control module (41), connected to the image binarization module (40), for:
analyzing the standard binary image based on a connected region analysis method to obtain a plurality of connected regions included in the standard binary image;
respectively extracting the characteristics of each communication area to obtain the morphological characteristics of each communication area; the morphological characteristics comprise at least one of shape factor, rectangularity and regularity;
respectively matching the morphological characteristics with morphological characteristics in a preset bacteria database, calculating to obtain a matching degree, counting the number of communication areas corresponding to the morphological characteristics of which the matching degree is greater than the preset matching degree, and obtaining the number of bacteria attached to the inner wall of the closestool according to the number of the communication areas;
and inquiring a preset bacteria quantity-sterilizing liquid weight table according to the bacteria quantity to obtain the corresponding sterilizing liquid weight, and sucking the sterilizing liquid by the hose according to the sterilizing liquid weight.
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| CN212248564U (en) * | 2020-04-26 | 2020-12-29 | 福建省佳成机械科技有限公司 | Anti-scaling easy-to-clean closestool |
| CN212477969U (en) * | 2020-06-02 | 2021-02-05 | 慈溪市喜迪宝电器有限公司 | Novel toilet bowl disinfection and sterilization device |
| CN215367620U (en) * | 2021-08-11 | 2021-12-31 | 泽堂麒裕(苏州)电子科技有限公司 | Intelligent disinfection toilet lid |
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| CN114305189B (en) | 2023-01-06 |
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Address after: 528400, Fu Sha town, Guangdong City, Zhongshan province Fu Sha Industrial Park Patentee after: Guangdong Weili Electric Appliance Co.,Ltd. Address before: 528400, Fu Sha town, Guangdong City, Zhongshan province Fu Sha Industrial Park Patentee before: ZHONGSHAN DONGLIM WEILI ELECTRICAL APPLIANCES Co.,Ltd. |