Multipurpose pet feeding device with garbage classification function

Abstract

The invention relates to the technical field of automatic feeding, and discloses a multipurpose pet feeding device with a garbage classification function, the multipurpose pet feeding device comprises a feeding box and a first garbage can arranged on the feeding box, and a second garbage can is fixed on the side, away from the feeding box, of the first garbage can; a third garbage can is fixed to the side, away from the first garbage can, of the second garbage can, and the feeding disc is arranged at the bottom in the feeding box in a sliding mode; in the process of treating residual feed and water in the feeding disc, all the components cooperate with each other and are combined with intelligent control of the processor; when residues are treated, a feed electric hydraulic rod is connected with a negative pressure butt joint pipe, a water return electric hydraulic rod is connected with a water collecting box, and the two are driven to be in butt joint with a feed sliding groove and a water return sliding groove after being started; the power motor drives the transmission rod to rotate through the gear set, the transmission rod is sequentially connected with the movable barrel, the lower pressing plate and the U-shaped rubber strip, the adjusting spring is arranged in the movable barrel, and the gap between the U-shaped rubber strip and the inner bottom of the feeding disc and the scraping force are controlled.

Description

Technical Field

[0001] This invention relates to the field of automatic feeding technology, and more specifically to a multi-purpose pet feeding device with garbage sorting function. Background Technology

[0002] In family life, the expansion of the pet-owning population has made pet feeding devices and garbage sorting equipment common household items, but both have many problems: traditional pet feeding devices have limited functions, only able to perform basic functions such as timed or manual feeding and water supply, and lack the ability to deal with leftover food and water stains after feeding; if the residue is not cleaned up in time, it can easily breed bacteria, emit odors, and even cause pets to get sick, and manual cleaning is time-consuming and laborious.

[0003] Although household waste sorting is gradually becoming more widespread, most existing equipment consists of individual trash cans that lack intelligent guidance and assistance functions, making it difficult to effectively handle leftover pet food and cleaning wastewater.

[0004] Pet feeding devices and garbage sorting equipment operate independently, taking up space and appearing cluttered; the cleaning mechanism of existing feeding devices has defects, with insufficient precision in adjusting the gap between the cleaning components and the feeding tray, and the scraping force cannot be flexibly adjusted according to the type of impurities, often resulting in incomplete cleaning or excessive scraping that damages the feeding tray, affecting the lifespan of the device and the cleaning effect. Summary of the Invention

[0005] This invention provides a multi-purpose pet feeding device with garbage sorting function, enabling the feeding of pets.

[0006] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows: A multi-purpose pet feeding device with waste sorting function includes: a feeding box and a first waste bin disposed on the feeding box; a second waste bin is fixedly attached to the side of the first waste bin away from the feeding box; a third waste bin is fixedly attached to the side of the second waste bin away from the first waste bin; and further includes: The feeding tray is slidably installed at the bottom of the feeding box; the cleaning component is rotatably installed inside the feeding tray; the recycling component is fixed on the feeding box; the feeding component is fixed on the feeding box; the pushing component is fixed at the bottom of the feeding box; the ultraviolet sterilization lamp is fixed on the feeding box and located directly above the feeding tray; the processor is fixed at the bottom of the feeding box. The feed bin is located above the feeding box; the water storage bin is located inside the feeding box; the feeding opening is located below the feeding box; and the functional area is located inside the feeding box on the side closest to the first waste bin. U-shaped rubber strip, rotatably mounted inside the feeding tray; lower pressure plate, fixed to the U-shaped rubber strip; movable cylinder, fixed to the lower pressure plate at the bottom; transmission rod, rotatably inserted into the movable cylinder at the bottom; adjusting spring, located inside the movable cylinder, fixed to the lower pressure plate at the bottom; material separating rubber plate, fixed to the U-shaped rubber strip; The feed inlet is located on the U-shaped rubber strip; the feed channel is located inside the U-shaped rubber strip and is connected to the feed inlet; the suction pipe is fixed on the side of the U-shaped rubber strip away from the feed inlet.

[0007] Furthermore, the cleaning component also includes: The power support is fixed on the feeding box and located below the feed bin and water storage bin; the power motor is fixed on one side of the power support; the power shaft is rotatably mounted on the other side of the power support; the power gear is fixed on the output end of the power motor; the auxiliary gear has its gear shaft rotatably mounted on the power support and meshes with the power gear; the power gear set is fixed on the power shaft and meshes with the auxiliary gear.

[0008] Furthermore, the cleaning component also includes: An octagonal groove is located above the transmission rod; an octagonal column is slidably inserted into the transmission rod at the top and extends into the octagonal groove at the bottom; a permanent magnet is fixed above the octagonal column; an electromagnet is fixed above the feeding box and located below the feed bin and water storage bin, and extends into the power shaft at the bottom; a power spring is fixed at one end in the power shaft and at the other end above the octagonal column. The feed connection port is located on one side of the feed-separating rubber plate; the return water connection port is located on the other side of the feed-separating rubber plate. The rotating ring is fixed below the U-shaped rubber strip and located at the center of the bottom of the feeding tray; the limiting rod is fixed inside the bottom of the feeding tray and is slidably inserted into the rotating ring.

[0009] Furthermore, the recyclable component also includes: The feed chute is located inside the feeding tray; the feed concave ring is slidably installed inside the feed chute; the feed docking block is fixed on one side to the feed concave ring and on the other side to the feed docking interface; the negative pressure connecting pipe is slidably installed on the feeding box, with one end docked to the feed chute and the other end extending into the functional area; the feed electro-hydraulic rod has its non-telescopic end fixed to the feeding box and its telescopic end fixed to the negative pressure connecting pipe. The centrifugal fan has its base fixed within the functional area; the air supply pipe has one end fixed to the centrifugal fan and the other end extending out of the feeding box; the negative pressure generating pipe is fixed within the functional area and its end extends into the first garbage bin; the air supply pipe has one end slidably connected to the negative pressure connecting pipe of the centrifugal fan and the other end inserted into the negative pressure generating pipe; the negative pressure conveying pipe has one end slidably connected to the negative pressure connecting pipe and the other end inserted into the negative pressure generating pipe.

[0010] Furthermore, the recyclable component also includes: The return water chute is located inside the feeding tray and below the feed chute; the return water concave ring is slidably set inside the return water chute; the return water connecting block is fixed on one side to the return water concave ring and on the other side to the return water connecting port; the return water electric hydraulic rod is fixed to the feeding box; the water collection box is fixed to the telescopic end of the return water electric hydraulic rod; the hose is fixed to the water collection box from above; and the return water delivery pipe is fixed at one end to the lower part of the hose and at the other end to the negative pressure generating pipe.

[0011] Furthermore, the unloading component includes: The vibrator is fixed to the feed silo; the feeding motor is fixed to the feed silo; the valve plate, with the valve shaft rotating, is located below the feed silo; the bevel gear pair has its input end fixed to the feeding motor and its output end fixed to the valve plate; the water inlet pipe is fixed below the water storage tank; and the electric water valve is fixed to the water inlet pipe.

[0012] Furthermore, the pusher component includes: The support is fixed to the bottom of the feeding box; the electric telescopic rod is fixed to the support; the linkage plate is fixed at both ends to the telescopic ends of the electric telescopic rod and fixed in the middle to the feeding tray.

[0013] Furthermore, it also includes: A cover plate is located directly above the feeding bin, the first garbage bin, the second garbage bin, and the third garbage bin; an electric opener / closer is fixed to the feeding bin, the first garbage bin, the second garbage bin, and the third garbage bin, with its swing end fixed to the cover plate; an open / close button is fixed to the cover plate of the feeding bin; an infrared proximity sensor is fixed to the cover plate of the first garbage bin, the second garbage bin, and the third garbage bin; a camera is fixed to the feeding bin and located directly above the feeding opening; and a U-shaped frame is fixed inside the first garbage bin, the second garbage bin, and the third garbage bin.

[0014] Furthermore, the processor performs the following closed-loop regulation: The impurity adhesion status is detected by a distributed capacitive proximity sensor arranged in a ring array on the inner wall of the feeding tray, and impurity adhesion data is generated. Based on the data on impurity adhesion, a gap error signal is generated to characterize the deviation between the actual gap between the U-shaped rubber strip and the bottom of the feeding tray and the preset target gap. Based on the gap error signal, a dynamic control model for adjusting the shortening of the spring is constructed using a bacterial foraging optimization algorithm to generate a target rotation angle control command for the power motor. According to the target rotation angle control command, the drive motor runs, controls the transmission rod and the adjusting spring to rotate synchronously, performs 0.1mm-level step shortening adjustment operation, and dynamically corrects the actual gap between the U-shaped rubber strip and the bottom of the feeding tray. The corrected actual gap value is acquired in real time, and a frequency adjustment command for the power motor is generated based on this actual gap value using a Fibonacci sequence frequency modulation strategy. During the adjustment process, the temperature field data generated by friction is monitored using an infrared thermal imaging sensor inside the feeding box. Based on temperature field data, the mechanical parameters of the regulating spring are dynamically corrected through a temperature-elastic coefficient compensation model, and the corrected parameters are fed back to the dynamic control model.

[0015] Furthermore, the processor performs the following coordinated control during the secondary cleaning phase: Contact pressure data is collected by a distributed piezoresistive microelectromechanical system pressure sensor on the contact surface between the U-shaped rubber strip and the inner wall of the feeding tray, and real-time water injection data is obtained from the electromagnetic flow meter at the outlet of the water storage tank. Contact pressure data and real-time water injection volume data are fused into a multi-dimensional input feature space; Based on the multidimensional input feature space, redundant attributes are reduced using rough set theory to generate a simplified feature set; The simplified feature set is input into the least squares support vector machine algorithm to train and generate a nonlinear mapping prediction model with the equivalent elongation of the spring as input and the scraping force as output. Based on the output of the nonlinear mapping prediction model, a scraping force control command is generated with the goal of 5-20N graded control. According to the scraping force control command, the drive motor outputs reverse torque, controls the transmission rod and the adjusting spring to rotate in opposite directions, converts elastic potential energy into controllable downward pressure, and dynamically adjusts the tightness of the U-shaped rubber strip and the inner wall of the feeding tray. Acquire data from the humidity sensor inside the feeding tray and the rotation phase information of the U-shaped rubber strip; Based on humidity sensor data, rotation phase information, and real-time water injection data, the timing of the action of the negative pressure water absorption intensity and the water injection volume of the water storage tank is coordinated; when the humidity sensor data reaches the preset threshold, the ultraviolet sterilization lamp delay start command is triggered. Liquid level data is obtained through a fiber optic liquid level sensor at the feed pan recovery port; Input the liquid level data into the liquid level-negative pressure conversion model to generate centrifugal fan power adjustment commands.

[0016] The above-described solution of the present invention has at least the following beneficial effects: This invention utilizes the coordinated operation of various components and the intelligent control of a processor during the processing of remaining feed and water in the feeding tray. When processing the residue, the feed electro-hydraulic rod connects to the negative pressure connection pipe, and the return water electro-hydraulic rod connects to the water collection box. Upon startup, these two rods can be driven to connect to the feed chute and the return water chute respectively. A power motor drives a transmission rod to rotate via a gear set. The transmission rod is sequentially connected to the movable cylinder, the lower pressure plate, and the U-shaped rubber strip. An adjusting spring is placed inside the movable cylinder, forming a linkage structure that controls the gap between the U-shaped rubber strip and the bottom of the feeding tray, as well as the scraping force. The processor utilizes algorithms and sensor data... The shortening of the adjusting spring is controlled to achieve gap adjustment in the 0.1mm range. When the transmission rod and the adjusting spring rotate in the same direction, the U-shaped rubber strip moves upward to create a gap, which, combined with the frequency modulation strategy, efficiently removes impurities. When rotating in the opposite direction, the adjusting spring generates a graded scraping force of 5-20N, and the U-shaped rubber strip fits tightly against the inner wall, which, together with the material separating rubber plate, thoroughly scrapes away residue. Under normal conditions, the adjusting spring achieves regional water seepage prevention, and the infrared thermal imaging sensor improves the consistency of adjustment. The U-shaped rubber strip and the material separating rubber plate separate the feeding tray into feed and water areas. The feed inlet and water suction pipe of the U-shaped rubber strip can absorb feed and water under negative pressure, respectively.

[0017] This invention achieves efficient waste disposal and thorough cleaning of the feeding tray during cleaning by rotating the transmission rod and adjusting spring in the same direction, creating gaps in the U-shaped rubber strip to sweep away large particles of impurities and collect them under negative pressure. When rotating in the opposite direction, the U-shaped rubber strip fits tightly with the assistance of a pressure sensor and algorithm, and water is injected into the water tank to remove stubborn clumps. A Petri net timing model coordinates each step, and a humidity sensor triggers a delayed start of the ultraviolet sterilization lamp, forming a closed-loop process to ensure the inner wall remains clean and sterile. The entire process, through precise coordination and intelligent control, achieves efficient disposal of waste and thorough cleaning of the feeding tray, providing a hygienic eating environment for pets. Attached Figure Description

[0018] Figure 1 This is a cross-sectional view of the feeding box of the device provided in an embodiment of the present invention; Figure 2 The device provided in the embodiments of the present invention Figure 1 Enlarged view of point A; Figure 3 This is a schematic diagram of the overall structure of the device provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the loop-shaped frame structure of the device provided in an embodiment of the present invention; Figure 5 This is a schematic diagram of the negative pressure generating tube structure of the device provided in an embodiment of the present invention; Figure 6 This is a cross-sectional view of the feeding tray of the device provided in an embodiment of the present invention; Figure 7 The device provided in the embodiments of the present invention Figure 6 Enlarged view of point B; Figure 8 The device provided in the embodiments of the present invention Figure 6 Enlarged view of point C; Figure 9 The device provided in the embodiments of the present invention Figure 6 Enlarged view of point D; Figure 10 The device provided in the embodiments of the present invention Figure 6 Enlarged view of point E; Figure 11 This is a schematic diagram of the inlet structure of a multi-purpose pet feeding device with garbage sorting function provided in an embodiment of the present invention; Figure 12 This is a flowchart for the control of cleaning the feeding tray.

[0019] Explanation of reference numerals in the attached figures: In the diagram: 1. Feeding box; 101. Feed bin; 102. Water storage bin; 103. Feeding opening; 104. Functional area; 2. First waste bin; 3. Second waste bin; 4. Third waste bin; 5. Feeding tray; 6. Cleaning component; 601. U-shaped rubber strip; 602. Lower pressure plate; 603. Movable cylinder; 604. Transmission rod; 605. Adjusting spring; 606. Material separating rubber plate; 607. Power support; 608. Power motor; 609. Power shaft 6010. Drive gear; 6011. Auxiliary gear; 6012. Drive gear assembly; 6013. Octagonal groove; 6014. Octagonal column; 6015. Permanent magnet; 6016. Electromagnet; 6017. Drive spring; 6018. Feed interface; 6019. Water return interface; 6020. Rotating ring; 6021. Limiting rod; 7. Recycling component; 701. Feed inlet; 702. Feed channel; 703. Water suction pipe; 704. Feed chute; 705. Feed concave ring; 706. Feed connecting block; 707. Negative pressure connecting pipe; 708. Feed electro-hydraulic rod; 709. Centrifugal fan; 7010. Air supply pipe; 7011. Negative pressure generating pipe; 7012. Air supply pipe; 7013. Negative pressure conveying pipe; 7014. Return water chute; 7015. Return water concave ring; 7016. Return water connecting block; 7017. Return water electro-hydraulic rod; 7018. Water collector; 7019. Hose; 7020. Return 8. Water delivery pipe; 9. Feeding component; 10. Vibrator; 11. Feeding motor; 12. Valve plate; 13. Bevel gear pair; 14. Water supply pipe; 15. Electric water valve; 16. Pushing component; 17. Support; 18. Electric telescopic rod; 19. Linkage plate; 20. Ultraviolet sterilization lamp; 21. Processor; 22. Cover plate; 33. Electric opener / closer; 44. Opening / closing button; 55. Infrared proximity sensor; 66. Camera; 77. Ring frame. Detailed Implementation

[0020] Exemplary embodiments of the invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0021] like Figures 1 to 11 As shown, an embodiment of the present invention provides a multi-purpose pet feeding device with a garbage sorting function, including: a feeding box 1 and a first garbage bin 2 disposed on the feeding box 1, a second garbage bin 3 fixed on the side of the first garbage bin 2 away from the feeding box 1, and a third garbage bin 4 fixed on the side of the second garbage bin 3 away from the first garbage bin 2. It also includes: a feeding tray 5, slidably disposed at the bottom of the feeding box 1; a cleaning component 6, rotatably disposed within the feeding tray 5; a recycling component 7, fixed on the feeding box 1; a feeding component 8, fixed on the feeding box 1; a pushing component 9, fixed at the bottom of the feeding box 1; an ultraviolet sterilization lamp 10, fixed on the feeding box 1 and located directly above the feeding tray 5; and a processor 11, fixed at the bottom of the feeding box 1.

[0022] Feed bin 101 is located above the feeding box 1; water storage bin 102 is located inside the feeding box 1; feeding opening 103 is located below the feeding box 1; functional area 104 is located on the side of the feeding box 1 near the first garbage bin 2; U-shaped rubber strip 601 is rotatably mounted inside the feeding tray 5; lower pressure plate 602 is fixed to the U-shaped rubber strip 601; movable cylinder 603 is fixed to the lower pressure plate 602 from below; transmission rod 604 rotates from below. Inserted into the movable cylinder 603; adjusting spring 605, located inside the movable cylinder 603, fixed to the lower pressure plate 602 below; material separating rubber plate 606, fixed to the U-shaped rubber strip 601; feed inlet 701, opened on the U-shaped rubber strip 601; feed channel 702, opened inside the U-shaped rubber strip 601 and connected to the feed inlet 701; water suction pipe 703, fixed on the side of the U-shaped rubber strip 601 away from the feed inlet 701.

[0023] It also includes: a cover plate 12, located directly above the feeding box 1, the first garbage bin 2, the second garbage bin 3, and the third garbage bin 4; an electric opener / closer 13, fixed on the feeding box 1, the first garbage bin 2, the second garbage bin 3, and the third garbage bin 4, with its swing end fixed on the cover plate 12; an open / close button 14, fixed on the cover plate 12 of the feeding box 1; an infrared proximity sensor 15, fixed on the cover plate 12 of the first garbage bin 2, the second garbage bin 3, and the third garbage bin 4; and a camera 16, fixed on the feeding box 1 and located directly above the feeding opening 103.

[0024] Specifically, the first trash can 2 is for kitchen waste, the second trash can 3 is for recyclable waste, and the third trash can 4 is for other waste; the feed bin 101 is used to store pet food; the feeding tray 5 is used to hold food and water; and the camera 16 is used to detect the approach of pets.

[0025] In a preferred embodiment of the present invention, the cleaning component 6 further includes: a power bracket 607, fixed on the feeding box 1 and located below the feed bin 101 and the water storage bin 102; a power motor 608, fixed on one side of the power bracket 607; a power shaft 609, rotatably mounted on the other side of the power bracket 607; a power gear 6010, fixed on the output end of the power motor 608; an auxiliary gear 6011, with its gear shaft rotatably mounted on the power bracket 607 and meshing with the power gear 6010; and a power gear set 6012, fixed on the power shaft 609 and meshing with the auxiliary gear 6011.

[0026] The cleaning component 6 also includes: an octagonal groove 6013, which is formed above the transmission rod 604; an octagonal column 6014, which is slidably inserted into the transmission rod 604 at the top and extends into the octagonal groove 6013 at the bottom; a permanent magnet 6015, which is fixed above the octagonal column 6014; an electromagnet 6016, which is fixed above the feeding box 1 and located below the feed bin 101 and the water storage bin 102, and extends into the power shaft 609 at the bottom; and a power spring 6017, which is fixed at one end in the power shaft 609 and at the other end above the octagonal column 6014. Feed interface 6018 is located on one side of the material separation rubber plate 606; return water interface 6019 is located on the other side of the material separation rubber plate 606; rotating ring 6020 is fixed below the U-shaped rubber strip 601 and located at the center of the bottom of the feeding tray 5; limiting rod 6021 is fixed inside the bottom of the feeding tray 5 and is slidably inserted into the rotating ring 6020.

[0027] Specifically, the rotating ring 6020 and the limiting rod 6021 are used to ensure that the U-shaped rubber strip 601 can rotate around the center of the feeding plate 5, and the rotating ring 6020 and the U-shaped rubber strip 601 can also be displaced by the limiting rod 6021.

[0028] In a preferred embodiment of the present invention, the recycling component 7 further includes: a feed chute 704, formed within the feeding tray 5; a feed concave ring 705, slidably disposed within the feed chute 704; a feed docking block 706, one side fixed to the feed concave ring 705, and the other side fixed within the feed docking interface 6018; a negative pressure docking pipe 707, slidably disposed on the feeding box 1, one end docked to the feed chute 704, and the other end extending into the functional area 104; and a feed electro-hydraulic rod 708, the non-telescopic end fixed to the feeding box 1, and the telescopic end fixed to the negative pressure docking pipe 7018. 7. Centrifugal fan 709, with its base fixed within functional area 104; air supply pipe 7010, with one end fixed to centrifugal fan 709 and the other end extending out of feeding box 1; negative pressure generating pipe 7011, fixed within functional area 104, with its end extending into first garbage bin 2; air supply pipe 7012, with one end slidably connected to negative pressure connecting pipe 707 of centrifugal fan 709 and the other end inserted into negative pressure generating pipe 7011; negative pressure conveying pipe 7013, with one end slidably connected to negative pressure connecting pipe 707 and the other end inserted into negative pressure generating pipe 7011.

[0029] The recycling component 7 also includes: a return water chute 7014, which is located inside the feeding tray 5 and below the feed chute 704; a return water concave ring 7015, which is slidably disposed inside the return water chute 7014; a return water connecting block 7016, which is fixed on one side to the return water concave ring 7015 and on the other side to the return water connecting interface 6019; a return water electric hydraulic rod 7017, which is fixed to the feeding box 1; a water collection box 7018, which is fixed to the telescopic end of the return water electric hydraulic rod 7017; a hose 7019, which is fixed above the water collection box 7018; and a return water delivery pipe 7020, which is fixed at one end below the hose 7019 and at the other end to the negative pressure generating pipe 7011.

[0030] Specifically, a switch valve is installed on both the negative pressure conveying pipe 7013 and the return water conveying pipe 7020.

[0031] In a preferred embodiment of the present invention, the feeding component 8 includes: a vibrator 801 fixed on the feed silo 101; a feeding motor 802 fixed on the feed silo 101; a valve plate 803 with a valve shaft rotatably disposed below the feed silo 101; a bevel gear pair 804 with its input end fixed on the feeding motor 802 and its output end fixed on the valve plate 803; a water inlet pipe 805 fixed below the water storage tank 102; and an electric water valve 806 fixed on the water inlet pipe 805.

[0032] The pusher component 9 includes: a support 901, fixed to the bottom of the feeding box 1; an electric telescopic rod 902, fixed to the support 901; and a linkage plate 903, with both ends fixed to the telescopic ends of the electric telescopic rod 902 and the middle position fixed to the feeding tray 5.

[0033] Working principle: This device consists of a feeding bin 1, a first garbage bin 2, a second garbage bin 3, and a third garbage bin 4. The first garbage bin 2 is for kitchen waste; the second garbage bin 3 is for other waste; and the third garbage bin 4 is for recyclable waste. The feeding bin 1 replaces the traditional hazardous waste bin. When used at home, hazardous waste is placed in a garbage bag separately. When it is disposed of at the garbage station, it is then placed into the corresponding garbage bin according to its category.

[0034] When the infrared proximity sensor 15 detects that garbage or garbage bags are near the top of the first garbage bin 2, the second garbage bin 3, and the third garbage bin 4, the electric opener / closer 13 of the corresponding garbage bin will drive the cover 12 to open. The user can open the garbage bag, fold the edge of the garbage bag over the U-shaped frame 17, and then throw the garbage into the corresponding garbage bin. Pressing the open / close button 14 will activate the electric opener / closer 13 of the feeding bin 1. The electric opener / closer 13 will drive the cover 12 to open or close, so as to add feed to the feed bin 101 and water to the water storage bin 102 in the feeding bin 1.

[0035] The feeding tray 5 is equipped with a partition plate, dividing it into two areas: a feed area and a water area. The feeding motor 802 is started, and its rotation drives the bevel gear pair 804 to rotate. The rotation of the bevel gear pair 804 drives the valve plate 803 to rotate, opening or closing the discharge channel of the feed bin 101 via the rotation of the valve plate 803. The vibrator 801 can be activated during feeding to facilitate feed delivery into the feeding tray 5. Water from the water storage tank 102 is added to the feeding tray 5 via the water inlet pipe 805 by opening or closing the electric water valve 806.

[0036] After the feeding tray 5 is filled with feed and water, the electromagnet 6016 is activated. The electromagnet 6016 attracts the permanent magnet 6015. The permanent magnet 6015 drives the octagonal column 6014 to slide within the transmission rod 604, causing the octagonal column 6014 to disengage from the octagonal groove 6013 and compressing the power spring 6017. At this time, the electric telescopic rod 902 is activated. The electric telescopic rod 902 extends, causing the feeding tray 5 to extend from the feeding opening 103 of the feeding box 1, making it convenient for the pet to eat and replenish water. When the feeding tray 5 is to be returned to the feeding box 1, the electric telescopic rod 902 retracts, causing the feeding tray 5 to reset. After the electromagnet 6016 is turned off, the power spring 6017 resets, causing the octagonal column 6014 to be reinserted into the octagonal groove 6013.

[0037] When processing the remaining feed and water in the feeding tray 5, first activate the feed electric hydraulic rod 708 and the return water electric hydraulic rod 7017; this connects the negative pressure connection pipe 707 of the feed electric hydraulic rod 708 and the water collection box 7018 of the return water electric hydraulic rod 7017 to the outlets of the feed chute 704 and the return water chute 7014, respectively; then activate the power motor 608; the rotation of the power motor 608 drives the power gear 6010 to rotate; the rotation of the power gear 6010 drives the auxiliary... The driving gear 6011 rotates; the rotation of the auxiliary driving gear 6011 drives the power shaft 609 and the power gear set 6012 to rotate; the rotation of the power shaft 609 drives the octagonal column 6014 to rotate; the rotation of the octagonal column 6014 drives the transmission rod 604 to rotate; the rotation torque of the transmission rod 604 drives the adjusting spring 605 to rotate; the rotation of the adjusting spring 605 drives the movable cylinder 603 and the lower pressure plate 602 to rotate; the rotation of the lower pressure plate 602 drives the U-shaped rubber strip 601 to rotate.

[0038] When the rotation direction of the transmission rod 604 is the same as the helical direction of the adjusting spring 605, the rotation of the transmission rod 604 will shorten the distance of the adjusting spring 605; the length of the adjusting spring 605 will also shorten; the shortened adjusting spring 605 will drive the movable cylinder 603, the lower pressure plate 602 and the U-shaped rubber strip 601 to move upward to adjust the distance of the shortened adjusting spring 605; at this time, some gaps will be generated between the U-shaped rubber strip 601 and the inner bottom of the feeding tray 5; this can reduce the friction between the U-shaped rubber strip 601 and the feeding tray 5 when the U-shaped rubber strip 601 rotates; at the same time, it is convenient for the remaining feed and water to gather at the collection port.

[0039] When the rotation direction of the transmission rod 604 is opposite to the helical direction of the adjusting spring 605, the rotation of the transmission rod 604 will cause the spacing of the adjusting spring 605 to tend to lengthen; however, due to the restriction of the bottom of the feeding tray 5, the adjusting spring 605 will increase the force on the movable cylinder 603 and the lower pressure plate 602, thereby increasing the downward pressure applied to the U-shaped rubber strip 601, making the U-shaped rubber strip 601 fit more tightly against the feeding tray 5; at this time, when the U-shaped rubber strip 601 rotates, it can more thoroughly scrape away the residual feed and water stains in the feeding tray 5 through the material separating rubber plate 606.

[0040] When the adjusting spring 605 is in its normal state, the U-shaped rubber strip 601 will be in close contact with the bottom of the feeding tray 5. The U-shaped rubber strip 601 and the material separating rubber plate 606 will divide the feeding tray 5 into two areas. The upper part of the adjusting spring 605 is restricted by the engagement of the movable cylinder 603 and the transmission rod 604. The material separating rubber plate 606 and the flange on the inner side of the feeding tray 5 will cooperate to ensure that the U-shaped rubber strip 601 and the material separating rubber plate 606 can effectively separate the feeding tray 5 and prevent water leakage.

[0041] Centrifugal fan 709 is started; centrifugal fan 709 draws in outside air through air supply pipe 7010; high-speed airflow enters air supply pipe 7012; and then enters negative pressure generating pipe 7011 from air supply pipe 7012; high-speed airflow flows out from negative pressure generating pipe 7011; a negative pressure vacuum is generated in the area where air supply pipe 7010 and negative pressure generating pipe 7011 meet and within negative pressure generating pipe 7011; after opening the switch valves of negative pressure conveying pipe 7013 and return water conveying pipe 7020, a vacuum area is formed in the connection area of ​​negative pressure generating pipe 7011, negative pressure conveying pipe 7013, and return water conveying pipe 7020; negative pressure is generated in negative pressure conveying pipe 7013, negative pressure connecting pipe 707, feed concave ring 705, and feed channel 702. Pressure; Remaining feed enters from the feed inlet 701; it passes through the feed channel 702, feed concave ring 705, negative pressure connecting pipe 707, and negative pressure conveying pipe 7013 into the negative pressure generating pipe 7011; negative pressure is generated inside the return water conveying pipe 7020; causing the hose 7019, water collection box 7018, return water concave ring 7015, and suction pipe 703 to be in a negative pressure state; the remaining water enters the negative pressure generating pipe 7011 through the suction pipe 703, return water concave ring 7015, water collection box 7018, hose 7019, and return water conveying pipe 7021; finally; the remaining feed and water enter the first garbage bin 2 from the negative pressure generating pipe 7011; the airflow from the negative pressure generating pipe 7011 dissipates from the gap between the first garbage bin 2 and the cover plate 12.

[0042] When cleaning the inner wall of the feeding tray 5, first clean up the remaining feed and water in the feeding tray 5; when the rotation direction of the transmission rod 604 is the same as the spiral direction of the adjusting spring 605; the rotation of the transmission rod 604 shortens the distance of the adjusting spring 605; the length of the adjusting spring 605 shortens; driving the movable cylinder 603, the lower pressure plate 602 and the U-shaped rubber strip 601 to move upward; a gap is created between the U-shaped rubber strip 601 and the bottom of the feeding tray 5; at this time, the U-shaped rubber strip 601 rotates under the drive of the power motor 608; the edge of the U-shaped rubber strip 601 will sweep across the inner wall of the feeding tray 5; Larger particles or impurities adhering to the feed area are peeled off from the inner wall and swept to the vicinity of the collection port; then, the centrifugal fan 709 is activated to create a vacuum negative pressure; these impurities will then flow along the feed chute 704, feed concave ring 705, negative pressure connecting pipe 707, and negative pressure conveying pipe 7013 into the negative pressure generating pipe 7011; finally, they are smoothly discharged into the first waste bin 2; completing the cleaning of larger impurities; when the rotation direction of the transmission rod 604 is opposite to the helical direction of the adjusting spring 605, the rotation of the transmission rod 604 causes the spacing of the adjusting spring 605 to tend to lengthen; the inner bottom of the feeding tray 5 The adjustment spring 605 increases the force on the moving cylinder 603 and the lower pressure plate 602, allowing the U-shaped rubber strip 601 to adhere more tightly to the inner wall of the feeding tray 5. This stronger scraping force removes residues tightly adhering to the inner wall, providing a secondary cleaning. If stubborn residue clumps on the inner wall of the feeding tray 5 cannot be completely removed, the electric water valve 806 can control the water storage tank 102 to inject an appropriate amount of clean water into the water area of ​​the feeding tray 5. During rotation, the U-shaped rubber strip 601 passes through both the feed and water areas, lubricating and rinsing away dry clumps with the help of water. Function: When the residue tightly adhering to the inner wall is wetted by water, the U-shaped rubber strip 601 removes the clumps of residue with strong scraping force; the clumps are completely broken up and removed from the inner wall; at the same time, the water flow will carry these broken residues and water stains to the recycling port; then, under the action of negative pressure water suction, the broken residues and water stains are recycled and discharged into the first garbage bin 2; effectively removing the residual clumps and water stains on the inner wall; ensuring that the inner wall of the feeding tray 5 achieves a good cleaning effect; after cleaning, the ultraviolet sterilization lamp 10 is turned on to sterilize the feed area and water area.

[0043] like Figure 12 As shown, a multi-purpose pet feeding device with garbage sorting function, wherein the processor 11 performs the following closed-loop regulation: The system uses distributed capacitive proximity sensors arranged in a ring array on the inner wall of the feeding tray 5 to detect the adhesion of impurities and generate impurity adhesion data. Based on the impurity adhesion data, a gap error signal is generated, representing the deviation between the actual gap between the U-shaped rubber strip 601 and the bottom of the feeding tray 5 and the preset target gap. Based on the gap error signal, a dynamic control model for adjusting the shortening of the adjusting spring 605 is constructed using a bacterial foraging optimization algorithm, generating a target rotation angle control command for the power motor 608. According to the target rotation angle control command, the power motor 608 is driven to run, controlling the transmission rod 604 and the adjusting spring 605 to rotate synchronously, performing a 0.1mm-level step shortening adjustment operation to dynamically correct the actual gap between the U-shaped rubber strip 601 and the bottom of the feeding tray 5. The corrected actual gap value is acquired in real time, and a frequency adjustment command for the power motor 608 is generated based on this actual gap value using a Fibonacci sequence frequency modulation strategy. During the adjustment process, an infrared thermal imaging sensor in the feeding box 1 monitors the temperature field data generated by friction. Based on the temperature field data, the mechanical parameters of the adjusting spring 605 are dynamically corrected using a temperature-elasticity coefficient compensation model, and the corrected parameters are fed back to the dynamic control model.

[0044] In the closed-loop adjustment described above, the acquisition of impurity adhesion data relies on distributed capacitive proximity sensors arranged in a ring array on the inner wall of the feeding tray 5. These capacitive proximity sensors generate adhesion data characterizing the area and thickness of impurities (e.g., "Adhesion amount in region A is 30%, average thickness is 0.3 mm") by detecting changes in capacitance (e.g., the capacitance increases from 50 pF to 80 pF due to impurity adhesion), providing a basis for subsequent adjustments.

[0045] Continuous impurity attachment data (such as "30% attachment amount") is mapped to discrete gap error signals. For example, when the attachment amount exceeds 20%, it is mapped to an error signal that "the actual gap (0.3 mm) is 0.2 mm larger than the target gap (0.1 mm)". This is directly related to the gap deviation between the U-shaped rubber strip 601 and the bottom of the feeding tray 5, thus clarifying the adjustment direction.

[0046] Based on the gap error signal, the bacterial foraging optimization algorithm begins to construct a dynamic control model for adjusting the shortening of spring 605. The algorithm simulates bacterial chemotaxis and aggregation behavior, aiming to minimize the gap error (e.g., reducing the 0.2mm error to 0), and iteratively optimizes the spring shortening. The specific construction process is as follows: First, initialize the bacterial population, with each bacterium representing a possible spring shortening (e.g., 0.1mm, 0.2mm, etc.), and set an initial error threshold (e.g., 0.05mm); Second, simulate chemotaxis behavior, with each bacterium randomly adjusting its shortening by a small amount (e.g., ±0.02mm), calculating the adjusted gap error. If the error decreases, the adjustment is retained; otherwise, it is abandoned; Third, simulate... The aggregation behavior involves group information interaction, allowing bacteria with smaller errors (i.e., the optimal shortening amount) to attract surrounding bacteria, forming a localized optimization region. The fourth step involves repeating the chemotaxis and aggregation steps, reducing the adjustment range with each iteration (e.g., from ±0.02mm to ±0.01mm) until the gap error corresponding to a certain shortening amount is less than the initial threshold. The fifth step converts this optimal shortening amount into the target rotation angle of the motor 608 (e.g., a shortening of 0.2mm corresponds to an 18° motor rotation), completing the construction of the dynamic control model. For example, if the initial shortening is 0.1mm but the error is still 0.1mm, the second iteration adjusts to a shortening of 0.2mm, ultimately generating the target rotation angle command for the motor 608.

[0047] When the adjustment is performed, after receiving the angle command, the power motor 608 drives the transmission rod 604 to rotate through the transmission structure such as the power gear 6010 and the auxiliary gear 6011. The transmission rod 604 and the adjusting spring 605 are linked synchronously, so that the spring shortening is precisely controlled at the 0.1mm level (for example, when the command shortens by 0.3mm, the actual error does not exceed 0.05mm), thereby dynamically correcting the gap between the U-shaped rubber strip 601 and the bottom of the feeding tray 5 (such as adjusting from 0.5mm to 0.2mm).

[0048] After the actual gap value is fed back in real time, the Fibonacci sequence frequency modulation strategy intervenes: the frequency of the power motor 608 is adjusted in a sequence ratio (1:1:2:3). For example, when the gap increases from 0.2mm to 0.5mm (due to more large particles of impurities), the motor frequency is increased proportionally from 5Hz to 8Hz to accelerate the rotation of the U-shaped rubber strip 601 (the speed increases from 30r / min to 48r / min) for efficient peeling; if the gap decreases from 0.2mm to 0.1mm (due to fine impurities), the frequency is reduced to 3Hz (speed 18r / min) to avoid impurities splashing.

[0049] During the adjustment process, the infrared thermal imaging sensor inside the feeding box 1 monitors the frictional temperature field between the U-shaped rubber strip 601 and the feeding tray 5 in real time, generating temperature data such as "average temperature of the contact area is 32℃, with a local maximum of 35℃". This data is input into the temperature-elastic coefficient compensation model. The construction process of the temperature-elastic coefficient compensation model is as follows: First, the elastic coefficient of the adjusting spring 605 is collected experimentally at different temperatures, for example, its elastic coefficient is measured and recorded at 20℃, 30℃, 40℃, and 50℃ (e.g., 21N / mm at 20℃, 20N / mm at 30℃, 19N / mm at 40℃, and 18N / mm at 50℃); Second, the experimental data is analyzed. The process involves five steps: First, determining the relationship between temperature and elastic coefficient, such as an average decrease in elastic coefficient of approximately 4.8% for every 10°C increase in temperature. Second, constructing a compensation formula based on this formula: Corrected elastic coefficient = Initial elastic coefficient × (1 - (Actual temperature - Reference temperature) × 0.0048), where the reference temperature is set to 25°C (e.g., the coefficient is 20 N / mm at 25°C). Third, substituting real-time monitored temperature data into the formula to calculate the corrected elastic coefficient (e.g., corrected to 19.2 N / mm at 35°C). Fourth, feeding the corrected parameters back to the dynamic control model to ensure accurate calculation of spring shortening, ultimately achieving adaptive and efficient cleaning of the feeding disc 5 by the U-shaped rubber strip 601.

[0050] During the secondary cleaning phase, processor 11 performs the following coordinated control: Contact pressure data is collected by a distributed piezoresistive microelectromechanical system pressure sensor at the contact surface between the U-shaped rubber strip 601 and the inner wall of the feeding pan 5, while real-time water injection data from the electromagnetic flowmeter at the outlet of the water storage tank 102 is also acquired. The contact pressure data and real-time water injection data are fused into a multi-dimensional input feature space. Based on this multi-dimensional input feature space, a simplified feature set is generated by reducing redundancy using rough set theory. This simplified feature set is then input into a least-squares support vector machine algorithm to train and generate a nonlinear mapping prediction model with the equivalent elongation of the adjusting spring 605 as input and the scraping force as output. Based on the output of the nonlinear mapping prediction model, a scraping force control command is generated with a target of 5–20 N graded control. The driving power is then activated according to the scraping force control command. The motor 608 outputs reverse torque, controlling the transmission rod 604 and the adjusting spring 605 to rotate in opposite directions, converting elastic potential energy into controllable downward pressure, and dynamically adjusting the tightness of the fit between the U-shaped rubber strip 601 and the inner wall of the feeding tray 5; acquiring humidity sensor data and rotation phase information of the U-shaped rubber strip 601 in the feeding tray 5; coordinating the timing of the action of negative pressure water absorption intensity and water injection volume of the water storage tank 102 based on humidity sensor data, rotation phase information and real-time water injection data; triggering the delayed start command of the ultraviolet sterilization lamp 10 when the humidity sensor data reaches the preset threshold; acquiring liquid level data through the fiber optic liquid level sensor at the recovery port of the feeding tray 5; inputting the liquid level data into the liquid level-negative pressure conversion model to generate a power adjustment command for the centrifugal fan 709.

[0051] By employing the aforementioned collaborative control during the secondary cleaning stage, data acquisition relies on two core sensing components: a distributed piezoresistive microelectromechanical system pressure sensor at the contact surface between the U-shaped rubber strip 601 and the inner wall of the feeding tray 5, which collects contact pressure data in real time (e.g., 5N when the fit is loose and 18N when it is tight); simultaneously, an electromagnetic flow meter at the outlet of the water storage tank 102 records the real-time water injection volume (e.g., 50ml, 100ml, or 150ml per injection); these data directly reflect the basic state of "mechanical force" and "water assistance" during the cleaning process.

[0052] Contact pressure data (range 5–20 N) and water volume data (range 50–200 ml) are merged into a multidimensional input feature space, forming feature pairs such as (5 N, 80 ml) and (15 N, 120 ml), covering key variable combinations in the cleaning process. Rough set theory is used to reduce redundant attributes of these features: for example, when the water volume exceeds 150 ml, increasing the water volume has less than a 5% improvement on the scraping effect. Such data is judged as redundant and discarded, and finally a simplified feature set is generated (such as retaining the effective combination of 5–15 N pressure and 50–150 ml water volume), reducing the amount of subsequent calculations.

[0053] The refined feature set is input into the least squares support vector machine algorithm. The equivalent elongation of the adjusting spring 605 (such as 0.3 mm, 0.7 mm, 1.0 mm) is used as the input variable, and the actual scratching force (inferred from the pressure sensor, such as 6 N, 12 N, 18 N) is used as the output variable for training to generate a non-linear mapping prediction model. The construction process of the non-linear mapping prediction model is as follows: First step, prepare the training data set, which contains the actual scratching forces corresponding to different spring elongations (such as 5 N for an elongation of 0.2 mm, 8 N for 0.4 mm, 11 N for 0.6 mm, etc.), and normalize the data (such as convert the elongation to the range of 0 - 1, and the scratching force to the range of 0 - 1); Second step, select a suitable kernel function (such as the radial basis function) to handle the non-linear relationship between the input and output; Third step, solve the optimization problem by the least squares method to determine the model parameters (such as kernel function parameters, penalty factors) to minimize the prediction error of the model for the training data; Fourth step, verify the model with the test data set (data not participating in training). If the prediction error (such as the deviation between the actual 11 N and the predicted 11.2 N) is within ±0.5 N, the model is qualified; Fifth step, fix the model parameters to form a directly callable non-linear mapping relationship. For example, when the input spring elongation is 0.6 mm, the model can predict the scratching force to be approximately 11 N, and the error from the actual measured value is controlled within ±0.5 N, achieving accurate prediction of the scratching force.

[0054] Based on the model output result, the system generates a scratching force regulation instruction with a hierarchical control target of 5 - 20 N (such as the instruction corresponding to the target of 10 N is "the spring elongates 0.5 mm"); after receiving the instruction, the power motor 608 outputs a reverse torque, and drives the adjusting spring 605 to rotate in the reverse direction through the transmission rod 604. The elastic potential energy of the spring is converted into a controllable downward pressure (such as generating a 10 N downward pressure when elongating 0.5 mm), dynamically adjusting the fitting tightness between the U-shaped rubber strip 601 and the inner wall of the feeding tray 5 to ensure the scraping effect on stubborn residues.

[0055] The humidity sensor in the feeding tray 5 collects real-time humidity data (such as the humidity is 80% at the initial stage of cleaning and drops to 30% later), and the rotation phase information of the U-shaped rubber strip 601 (such as currently being in the feed area or the water area) is synchronously obtained; the system combines the real-time water injection volume (such as 100 ml of water has been injected currently), and coordinates the action sequence of the negative pressure water absorption intensity and the water injection volume of the water storage bin 102: when the U-shaped rubber strip 601 rotates to the feed area, if the humidity is lower than 50%, trigger the water storage bin 102 to supplement 20 ml of clean water; when the humidity sensor data drops to the preset threshold of 30% (indicating that the water has been basically removed), trigger the ultraviolet sterilization lamp 10 to start for 30 seconds to avoid the influence of a humid environment on the sterilization effect.

[0056] The fiber optic liquid level sensor at the feeding tray 5 recovery port detects the level of the mixed liquid and impurities recovered (e.g., 1cm corresponds to 50ml, 2cm corresponds to 100ml), and inputs the liquid level data into the liquid level-negative pressure conversion model. The construction process of the liquid level-negative pressure conversion model is as follows: First, the relationship between the power of the centrifugal fan 709 and the cleaning efficiency corresponding to different liquid levels is collected through experiments. For example, when the liquid level is 0.5cm (25ml), 30% power can meet the cleaning needs; when the liquid level is 1cm (50ml), 50% power is more efficient; when the liquid level is 2cm (100ml), 80% power can handle it quickly. Second, the liquid level and power data are fitted in segments to determine the level of each liquid level. The optimal power for each liquid level range (e.g., 30% for 0-0.5cm, 50% for 0.5-1.5cm, and 80% for 1.5-2.5cm); the third step is to set a power adjustment threshold, such as triggering power adjustment when the liquid level changes by more than 0.3cm to avoid frequent fluctuations; the fourth step is to integrate the fitted relationship with the threshold into a model, and output the corresponding power adjustment command after receiving the liquid level data in real time; for example, if the liquid level reaches 2cm (100ml), a command is generated to increase the power of the centrifugal fan 709 from 50% to 80% to accelerate the negative pressure suction; if the liquid level drops to 0.5cm (25ml), the power is reduced to 30% to balance energy consumption and cleaning efficiency.

[0057] The entire process utilizes real-time data feedback from components such as pressure sensors, flow meters, and humidity sensors, combined with algorithm models to precisely control actuators such as the regulating spring 605, the power motor 608, and the centrifugal fan 709, achieving efficient coordination in secondary cleaning and ensuring the cleanliness of the inner wall of the feeding tray 5.

[0058] Example 1 is a basic multi-purpose pet feeding device with garbage sorting function. The core includes a feeding box 1, a first garbage box 2 (kitchen waste box), a second garbage box 3 (recyclable garbage box), a third garbage box 4 (other garbage box), and other components such as a feeding tray 5, a cleaning component 6, and a recycling component 7. The feeding box 1 replaces the traditional hazardous waste box. Household hazardous waste needs to be collected separately and disposed of at the garbage station.

[0059] The garbage sorting function is linked to the infrared proximity sensor 15 and the electric opener 13: when the sensor detects garbage approaching, the corresponding garbage bin cover 12 opens, and the user can put the garbage bag on the loop frame 17 to put it in; the feeding bin 1 cover 12 is manually controlled by the open / close button 14, which makes it convenient to add feed to the feed bin 101 and water to the water storage bin 102.

[0060] During feeding, the feeding tray 5 is divided into a feed area and a water area by a U-shaped rubber strip 601: the feeding motor 802 drives the valve plate 803 to open the feed bin 101 through the bevel gear pair 804, and feeds the feed in conjunction with the vibrator 801; the electric water valve 806 controls the water storage tank 102 to be filled with water through the water filling pipe 805; the electromagnet 6016 attracts the permanent magnet 6015 to make the octagonal column 6014 disengage from the octagonal groove 6013, and the electric telescopic rod 902 pushes the feeding tray 5 to extend from the feeding port 103; during recovery, the telescopic rod retracts, and the octagonal column is reset under the action of the power spring 6017.

[0061] During cleaning and recycling, the feed electric hydraulic rod 708 and the return water electric hydraulic rod 7017 drive the negative pressure connecting pipe 707 and the water collection box 7018 to connect respectively; the power motor 608 drives the transmission rod 604 to rotate through the gear set, and the adjusting spring 605 adjusts the U-shaped rubber strip 601 as it rotates; when rotating in the same direction, the U-shaped rubber strip 601 moves upward to create a gap, which facilitates the accumulation of impurities; when rotating in the opposite direction, it fits tightly to scrape off the residue; the centrifugal fan 709 generates negative pressure, which sends the remaining feed through the negative pressure conveying pipe 7013 and the water through the return water conveying pipe 7020 into the first garbage bin 2.

[0062] During cleaning, the remaining materials are first removed through the above mechanism. The U-shaped rubber strip 601 rotates in the same direction to sweep off large particles of impurities and recovers them under negative pressure. It rotates in the opposite direction to cooperate with the water storage tank 102 to inject water and remove clumps. Finally, the ultraviolet sterilization lamp 10 sterilizes. This embodiment basically realizes the initial classification of household waste and pet feeding. The control logic is mainly based on mechanical linkage and has no complex algorithm adjustment.

[0063] Example 2 upgrades the hardware and control logic based on Example 1 to improve the level of intelligence.

[0064] Waste sorting function optimization: The sensitivity of the infrared proximity sensor 15 of the first to third waste bins has been improved to identify waste within 0.5 meters, and the response time of the electric opener 13 has been reduced to 0.3 seconds; the loop frame 17 is made of anti-slip rubber to reduce the fall off of the waste bag.

[0065] Feeding and cleaning are adjusted using basic algorithms: The processor 11 collects impurity adhesion data (e.g., capacitance values ​​of 50-80pF correspond to an adhesion amount of 10% to 30%) through distributed capacitive proximity sensors (4 sensors) on the inner wall of the feeding tray 5, generating a gap error signal (e.g., a 30% adhesion amount corresponds to a deviation between the actual gap of 0.3mm and the target gap of 0.1mm). Based on the error signal, a bacterial foraging optimization algorithm constructs a model for adjusting the shortening of the spring 605, which drives the transmission rod 604 via the power motor 608 to achieve a step-wise adjustment in 0.1mm increments (e.g., a shortening of 0.2mm corresponds to a motor rotation of 18°). Combined with a Fibonacci sequence frequency modulation strategy, the motor frequency is increased to 8Hz (48r / min) when the gap is 0.5mm to remove large particles, and reduced to 3Hz (18r / min) when the gap is 0.1mm to prevent splashing.

[0066] During the secondary cleaning, the piezoresistive sensor on the contact surface of the U-shaped rubber strip 601 collects a contact pressure of 5-10N. Combined with the water volume of 50-150ml from the electromagnetic flowmeter of the water storage tank 102, the redundancy features are reduced by rough set theory (such as removing water volume data above 150ml), and the data is input into the least squares support vector machine model to predict the scraping force (error ±1N).

[0067] The drive motor 608 outputs reverse torque, which converts elastic potential energy into downward pressure through the adjustment spring 605, dynamically adjusting the tightness of the fit. The humidity sensor (80%~30%) of the feeding tray 5 is linked to the rotation phase of the U-shaped rubber strip. When the humidity is ≤50%, the water storage tank 102 is triggered to replenish 20ml of water; when the humidity is ≤30%, the ultraviolet sterilization lamp 10 starts after a 30-second delay, achieving a sterilization rate of 95%.

[0068] The fiber optic liquid level sensor in the recovery unit 7 monitors the liquid level (1cm corresponds to 50ml), and the power of the centrifugal fan 709 is adjusted according to the liquid level, increasing the recovery rate of the residue to 90%.

[0069] Example 3: This example further improves accuracy and algorithm synergy based on Example 2, achieving commercial-grade performance.

[0070] The garbage sorting function is intelligent: the camera 16 of the feeding bin 1 uses image recognition to help determine the type of garbage. When the wrong garbage is disposed of, the processor 11 will provide a voice prompt. The sorting accuracy rate is 98%. The electric opener 13 of the first to third garbage bins uses a silent motor with an operating noise of ≤40 decibels.

[0071] Upgraded feeding and cleaning precision: The number of distributed capacitive proximity sensors on the inner wall of the feeding tray 5 has been increased to 8, which can identify impurities as thin as 0.1mm; the processor 11 is based on a bacterial foraging optimization algorithm, and the shortening control precision of the adjusting spring 605 reaches 0.05mm (error ≤ 0.02mm), and the gap adjustment response time is reduced to 0.2 seconds; during the adjustment process, the infrared thermal imaging sensor of the feeding box 1 monitors the friction temperature (e.g., average 32℃, highest 35℃), and corrects the parameters through the temperature-elastic coefficient compensation model (elastic coefficient 20N / mm at 25℃, corrected to 19.2N / mm at 35℃), and feeds it back to the control model.

[0072] Enhanced secondary cleaning: The scraping force is graded and expanded to 10-20N, automatically triggering a strong 20N scraping force for stubborn clumps; the water storage tank 102 uses pulse-type water injection, achieving a 99% removal rate of residual clumps. The prediction error of the least squares support vector machine model is reduced to ±0.5N, accurately predicting a scraping force of 11N when the spring elongation is 0.6mm; the centrifugal fan 709 of the recovery component 7 uses frequency conversion control, dynamically adjusting the negative pressure intensity according to the type of impurities, achieving a 99% recovery rate of residual materials; the fiber optic liquid level sensor is linked to the on / off valve of the return water delivery pipe 7020 to avoid pipe residue; the ultraviolet sterilization lamp 10 uses dual-band irradiation, achieving a sterilization rate of 99.9% within 30 seconds.

[0073] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A multi-purpose pet feeding device with waste sorting function, comprising: A feeding bin and a first garbage bin mounted on the feeding bin, a second garbage bin fixed to the side of the first garbage bin away from the feeding bin, and a third garbage bin fixed to the side of the second garbage bin away from the first garbage bin, characterized in that it further includes: The feeding tray is slidably installed at the bottom of the feeding box; the cleaning component is rotatably installed inside the feeding tray; the recycling component is fixed on the feeding box; the feeding component is fixed on the feeding box; the pushing component is fixed at the bottom of the feeding box; the ultraviolet sterilization lamp is fixed on the feeding box and located directly above the feeding tray; the processor is fixed at the bottom of the feeding box. The feed bin is located above the feeding box; the water storage bin is located inside the feeding box; the feeding opening is located below the feeding box; and the functional area is located inside the feeding box on the side closest to the first waste bin. U-shaped rubber strip, rotatably mounted inside the feeding tray; lower pressure plate, fixed to the U-shaped rubber strip; movable cylinder, fixed to the lower pressure plate at the bottom; transmission rod, rotatably inserted into the movable cylinder at the bottom; adjusting spring, located inside the movable cylinder, fixed to the lower pressure plate at the bottom; material separating rubber plate, fixed to the U-shaped rubber strip; The feed inlet is located on the U-shaped rubber strip; the feed channel is located inside the U-shaped rubber strip and is connected to the feed inlet; the suction pipe is fixed on the side of the U-shaped rubber strip away from the feed inlet.

2. The multi-purpose pet feeding device with garbage sorting function according to claim 1, characterized in that, The cleaning component also includes: The power support is fixed on the feeding box and located below the feed bin and water storage bin; the power motor is fixed on one side of the power support; the power shaft is rotatably mounted on the other side of the power support; the power gear is fixed on the output end of the power motor; the auxiliary gear has its gear shaft rotatably mounted on the power support and meshes with the power gear; the power gear set is fixed on the power shaft and meshes with the auxiliary gear.

3. A multi-purpose pet feeding device with garbage sorting function according to claim 2, characterized in that, The cleaning component also includes: An octagonal groove is located above the transmission rod; an octagonal column is slidably inserted into the transmission rod at the top and extends into the octagonal groove at the bottom; a permanent magnet is fixed above the octagonal column; an electromagnet is fixed above the feeding box and located below the feed bin and water storage bin, and extends into the power shaft at the bottom; a power spring is fixed at one end in the power shaft and at the other end above the octagonal column. The feed connection port is located on one side of the feed-separating rubber plate; the return water connection port is located on the other side of the feed-separating rubber plate. The rotating ring is fixed below the U-shaped rubber strip and located at the center of the bottom of the feeding tray; the limiting rod is fixed inside the bottom of the feeding tray and is slidably inserted into the rotating ring.

4. A multi-purpose pet feeding device with garbage sorting function according to claim 1, characterized in that, The recycled components also include: The feed chute is located inside the feeding tray; the feed concave ring is slidably installed inside the feed chute; the feed docking block is fixed on one side to the feed concave ring and on the other side to the feed docking interface; the negative pressure connecting pipe is slidably installed on the feeding box, with one end docked to the feed chute and the other end extending into the functional area; the feed electro-hydraulic rod has its non-telescopic end fixed to the feeding box and its telescopic end fixed to the negative pressure connecting pipe. The centrifugal fan has its base fixed within the functional area; the air supply pipe has one end fixed to the centrifugal fan and the other end extending out of the feeding box; the negative pressure generating pipe is fixed within the functional area and its end extends into the first garbage bin; the air supply pipe has one end slidably connected to the negative pressure connecting pipe of the centrifugal fan and the other end inserted into the negative pressure generating pipe; the negative pressure conveying pipe has one end slidably connected to the negative pressure connecting pipe and the other end inserted into the negative pressure generating pipe.

5. A multi-purpose pet feeding device with garbage sorting function according to claim 4, characterized in that, The recycled components also include: The return water chute is located inside the feeding tray and below the feed chute; the return water concave ring is slidably set inside the return water chute; the return water connecting block is fixed on one side to the return water concave ring and on the other side to the return water connecting port; the return water electric hydraulic rod is fixed to the feeding box; the water collection box is fixed to the telescopic end of the return water electric hydraulic rod; the hose is fixed to the water collection box from above; and the return water delivery pipe is fixed at one end to the lower part of the hose and at the other end to the negative pressure generating pipe.

6. A multi-purpose pet feeding device with garbage sorting function according to claim 1, characterized in that, The unloading component includes: The vibrator is fixed to the feed silo; the feeding motor is fixed to the feed silo; the valve plate, with the valve shaft rotating, is located below the feed silo; the bevel gear pair has its input end fixed to the feeding motor and its output end fixed to the valve plate; the water inlet pipe is fixed below the water storage tank; and the electric water valve is fixed to the water inlet pipe.

7. A multi-purpose pet feeding device with garbage sorting function according to claim 1, characterized in that, The pusher component includes: The support is fixed to the bottom of the feeding box; the electric telescopic rod is fixed to the support; the linkage plate is fixed at both ends to the telescopic ends of the electric telescopic rod and fixed in the middle to the feeding tray.

8. A multi-purpose pet feeding device with garbage sorting function according to claim 1, characterized in that, Also includes: The cover is located directly above the feeding bin, the first garbage bin, the second garbage bin, and the third garbage bin; An electric opener / closer is fixed to the feeding bin, the first garbage bin, the second garbage bin, and the third garbage bin, with the swing end fixed to the cover plate; an open / close button is fixed to the cover plate of the feeding bin; an infrared proximity sensor is fixed to the cover plates of the first garbage bin, the second garbage bin, and the third garbage bin; a camera is fixed to the feeding bin and located directly above the feeding opening; and a U-shaped frame is fixed inside the first garbage bin, the second garbage bin, and the third garbage bin.

9. A multi-purpose pet feeding device with garbage sorting function according to claim 1, characterized in that, The processor performs the following closed-loop regulation: The impurity adhesion status is detected by a distributed capacitive proximity sensor arranged in a ring array on the inner wall of the feeding tray, and impurity adhesion data is generated. Based on the data on impurity adhesion, a gap error signal is generated to characterize the deviation between the actual gap between the U-shaped rubber strip and the bottom of the feeding tray and the preset target gap. Based on the gap error signal, a dynamic control model for adjusting the shortening of the spring is constructed using a bacterial foraging optimization algorithm to generate a target rotation angle control command for the power motor. According to the target rotation angle control command, the drive motor runs, controls the transmission rod and the adjusting spring to rotate synchronously, performs 0.1mm-level step shortening adjustment operation, and dynamically corrects the actual gap between the U-shaped rubber strip and the bottom of the feeding tray. The corrected actual gap value is acquired in real time, and a frequency adjustment command for the power motor is generated based on this actual gap value using a Fibonacci sequence frequency modulation strategy. During the adjustment process, the temperature field data generated by friction is monitored using an infrared thermal imaging sensor inside the feeding box. Based on temperature field data, the mechanical parameters of the regulating spring are dynamically corrected through a temperature-elastic coefficient compensation model, and the corrected parameters are fed back to the dynamic control model.

10. A multi-purpose pet feeding device with garbage sorting function according to claim 9, characterized in that, The processor performs the following coordinated control during the secondary cleaning phase: Contact pressure data is collected by a distributed piezoresistive microelectromechanical system pressure sensor at the contact surface between the U-shaped rubber strip and the inner wall of the feeding tray, and real-time water injection data is obtained from the electromagnetic flow meter at the outlet of the water storage tank. Contact pressure data and real-time water injection volume data are fused into a multi-dimensional input feature space; Based on the multidimensional input feature space, redundant attributes are reduced using rough set theory to generate a simplified feature set; The simplified feature set is input into the least squares support vector machine algorithm to train and generate a nonlinear mapping prediction model with the equivalent elongation of the spring as input and the scraping force as output. Based on the output of the nonlinear mapping prediction model, a scraping force control command is generated with the goal of 5-20N graded control. According to the scraping force control command, the drive motor outputs reverse torque, controls the transmission rod and the adjusting spring to rotate in opposite directions, converts elastic potential energy into controllable downward pressure, and dynamically adjusts the tightness of the U-shaped rubber strip and the inner wall of the feeding tray. Acquire data from the humidity sensor inside the feeding tray and the rotation phase information of the U-shaped rubber strip; Based on humidity sensor data, rotation phase information, and real-time water injection data, the timing of the action of the negative pressure water absorption intensity and the water injection volume of the water storage tank is coordinated; when the humidity sensor data reaches the preset threshold, the ultraviolet sterilization lamp delay start command is triggered. Liquid level data is obtained through a fiber optic liquid level sensor at the feed pan recovery port; Input the liquid level data into the liquid level-negative pressure conversion model to generate centrifugal fan power adjustment commands.

Images