A food safety tracking system for self-service canteens
By designing a food safety tracking system with multi-directional monitoring and image analysis in a smart canteen, the problem that the existing technology cannot effectively display the canteen processing process and ensure food safety is solved, and food safety tracking and efficient management are realized, and food safety and Convenience.
Patent Information
- Application Number
- CN202210491307.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-05-07
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2042-05-07
AI Technical Summary
The existing smart canteen food monitoring devices cannot effectively display the canteen processing process, and food safety is difficult to ensure and cannot meet modern needs.
A self-selected food safety tracking system for canteens has been designed, including dish racks, transmission belts, monitoring seats, surveillance cameras, food ordering machines, touch display screens, weight scales, IC card swiper, image acquisition cameras and face recognition cameras , through the adjustment structure and servo motor, multi-directional monitoring and contactless serving, combined with image analysis and face payment, realize food safety tracking and efficient management.
Real-time monitoring and transparent display of the food processing process have been achieved, food safety and hygiene effects have been improved, ordering and payment processes have been simplified, and food safety and convenience have been improved.
Smart Images

Figure CN115883940B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of food safety supervision, and specifically to a food safety tracking system for a self-service cafeteria. Background Art
[0002] The food nutrition and safety in school cafeterias are issues that many parents are very concerned about, and they are also the focus of food quality supervision in the catering industry. They have the characteristics of a stable dining group, special personnel, and a wide coverage. The occurrence of previous school poisoning incidents has had a great social impact. In addition, parents have always been concerned about the quality and nutritional collocation of school meals. Therefore, ensuring the food nutrition and safety in school cafeterias is an important task that government supervision departments attach great importance to. With the development of society, people's need for food safety is getting higher and higher. Especially for highly automated smart cafeterias, a more suitable monitoring device is needed for high-quality monitoring.
[0003] A Chinese patent discloses a food monitoring device for a smart cafeteria (authorization announcement number CN216243454U). This patented technology can solve the technical problem that dirt on the lens affects the monitoring quality in the prior art and requires manual wiping, which is labor-consuming. However, when this device is in use, it cannot effectively display the cafeteria processing images. Secondly, in the existing cafeteria during the food processing process, food safety cannot be guaranteed, which does not meet the modern requirements and is thus rather inconvenient. Therefore, technical personnel in this field have provided a food safety tracking system for a self-service cafeteria to solve the problems raised in the above background art. Summary of the Invention
[0004] The purpose of the present invention is to provide a food safety tracking system for a self-service cafeteria to solve the problems raised in the above background art.
[0005] To achieve the above purpose, the present invention provides the following technical solutions:
[0006] A food safety tracking system for a self-service cafeteria includes a dish rack. On the upper part of the dish rack, vegetable pots are equidistantly installed. At the rear of the dish rack, a fixed rack is provided. On the upper part of the fixed rack, a conveyor belt is installed. On the outside of the conveyor belt, serving storage boxes are equidistantly installed. An inverted U-shaped partition is erected outside the fixed rack. At a position on the outside of the fixed rack close to the conveyor belt, a first monitoring seat is installed. At the rear of the fixed rack, a cooking range is provided. On the upper part of the cooking range, a second monitoring seat is installed, and the first monitoring seat and the second monitoring seat have the same structure. In front of the dish rack, an ordering machine is provided. The ordering machine is provided with an ordering structure. On the upper parts of the first monitoring seat and the second monitoring seat, monitoring cameras are installed, and the monitoring cameras are respectively connected to the first monitoring seat and the second monitoring seat through an adjustment structure.
[0007] As a further solution of the present invention: the adjustment structure includes a first adjustment motor respectively installed at the upper middle of the first monitoring seat and the second monitoring seat, the output shaft of the first adjustment motor is fixedly installed with a first L-shaped connecting arm, and the front part of the first L-shaped connecting arm is fixedly installed with a second adjustment motor.
[0008] As a further solution of the present invention: the output shaft of the second adjusting motor is fixedly installed with a second L-shaped connecting arm, the outside of the second L-shaped connecting arm is installed with a third adjusting motor, the output shaft of the third adjusting motor is installed with a monitoring connecting frame, and the monitoring camera is installed on the inner side of the monitoring connecting frame.
[0009] As a further solution of the present invention: the ordering structure includes a fixed casing installed on the upper part of the ordering machine, a touch screen is embedded in the middle of the front part of the fixed casing, and a weight scale is installed at the front of the ordering machine near the touch screen.
[0010] As a further solution of the present invention: an IC card reader is installed at the front of the ordering machine near the weight scale, and an image acquisition camera is installed at the upper part of the fixed housing at the position corresponding to the weight scale.
[0011] As a further solution of the present invention: a face recognition camera is installed on the upper part of the fixed housing near the image acquisition camera, and two fill lights are symmetrically installed on the upper part of the fixed housing.
[0012] As a further solution of the present invention: two L-shaped slide rails are symmetrically installed on the upper part of the dish rack, a sliding cover is installed on the outside of the dish rack at the position corresponding to the L-shaped slide rail, a matching sliding block is installed on the bottom of the sliding cover at the position corresponding to the L-shaped slide rail, and a storage cabinet is provided at the front of the dish rack.
[0013] As a further solution of the present invention: a transmission box is installed on the outside of the dish rack at a position corresponding to the sliding cover plate, a rear cover is installed at the rear of the transmission box, and a servo motor is fixedly installed in the middle of the outer end of the transmission box.
[0014] As a further solution of the present invention: a lead screw is fixedly installed on the output shaft of the servo motor, a matching thrust bearing is fixedly installed at a position corresponding to the lead screw on the inner side of the transmission box, a connecting seat is provided on the inner side of the transmission box, and a matching ball nut is embedded and installed at a position corresponding to the lead screw inside the connecting seat.
[0015] As a further solution of the present invention: a connecting slider is fixedly installed on the outside of the connecting seat, and the connecting seat is connected to the outside of the sliding cover plate through the connecting slider, a matching connecting groove is opened at the position of the connecting slider inside the transmission box, two sliding columns are symmetrically installed on the inner side of the transmission box, and a matching sliding sleeve is opened at the position of the sliding column inside the connecting seat.
[0016] Compared with the prior art, the present invention has the following beneficial effects:
[0017] 1. When in use, the first monitoring seat and the second monitoring seat external controller are adjusted horizontally by the first adjusting motor set in the adjustment structure to drive the first L-shaped connecting arm. Based on the same principle, the second L-shaped connecting arm is driven by the second adjusting motor to adjust the left and right angles, and the monitoring connecting frame is driven by the third adjusting motor to adjust the up and down angles. The monitoring camera can be adjusted and monitored in multiple directions. With the help of the touch screen for image display, the working conditions of the stove can be broadcast live, and the food processing process can be made public and transparent. When the chef has finished processing the food, he can place the food on the serving storage box, and transfer the food to the dish pot on the dish rack through the conveyor belt, so as to realize contactless serving and improve the hygiene effect. During the transmission process of the conveyor belt, the monitoring structure set in the first monitoring seat can be used for real-time monitoring, so as to improve the use effect of the device and realize food safety tracking.
[0018] 2. During the ordering process, the meal card can be placed on the IC card reader for reading, the ordering machine can be operated through the touch screen, the signal is processed by the processing unit in the ordering machine, the servo motor at the transmission box is driven to rotate, and the servo motor drives the lead screw to rotate. The cooperation of the lead screw and the ball nut can drive the connecting seat to slide, thereby driving the sliding cover to slide on the L-shaped slide rail, and then the cooking pot can be opened to select the meal by yourself, and the selected food can be placed on the weight scale, and the image acquisition camera can be used for image analysis and matching, and the selected food can be classified and weighed, so that the price of the product can be quickly weighed, and the user can make facial payment through the facial recognition camera, which improves the convenience of using the device, and the whole process of self-selected sterile meal is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A schematic diagram of a food safety tracking system for a self-service canteen;
[0020] Figure 2 It is a structural schematic diagram of the first monitoring station in a food safety tracking system for a self-service canteen;
[0021] Figure 3 It is a structural schematic diagram of a meal ordering machine in a food safety tracking system for a self-service canteen;
[0022] Figure 4 It is a schematic structural diagram of a vegetable rack in a food safety tracking system for a self-service cafeteria;
[0023] Figure 5 It is a schematic structural diagram of a transmission box in a food safety tracking system for a self-service cafeteria;
[0024] Figure 6 It is a system structure diagram of an ordering machine in a food safety tracking system for a self-service cafeteria.
[0025] In the figure: 1. Vegetable rack; 2. Vegetable loading pot; 3. Fixed rack; 4. Transmission belt; 5. Dish storage box for serving; 6. Inverted U-shaped partition; 7. First monitoring seat; 8. Stove; 9. Second monitoring seat; 10. Ordering machine; 11. First adjustment motor; 12. First L-shaped connecting arm; 13. Second adjustment motor; 14. Second L-shaped connecting arm; 15. Third adjustment motor; 16. Monitoring connecting frame; 17. Monitoring camera; 18. Fixed machine shell; 19. Touch display screen; 20. Weighing scale; 21. Image acquisition camera; 22. Face recognition camera; 23. Fill light; 24. IC card swiper; 25. L-shaped slide rail; 26. Sliding cover plate; 27. Transmission box; 28. Storage cabinet; 29. Rear cover; 30. Servo motor; 31. Lead screw; 32. Connecting seat; 33. Ball nut; 34. Connecting slider; 35. Connecting chute; 36. Sliding column. Specific embodiments
[0026] Please refer to Figures 1 to 6 In the embodiments of the present invention, a food safety tracking system for a self-service cafeteria includes a vegetable rack 1. Vegetable loading pots 2 are equidistantly installed on the upper part of the vegetable rack 1. A fixed rack 3 is arranged at the rear of the vegetable rack 1. A transmission belt 4 is installed on the upper part of the fixed rack 3. Dish storage boxes 5 for serving are equidistantly installed outside the transmission belt 4. An inverted U-shaped partition 6 is erected outside the fixed rack 3. A first monitoring seat 7 is installed at a position outside the fixed rack 3 near the transmission belt 4. A stove 8 is arranged at the rear of the fixed rack 3. A second monitoring seat 9 is installed on the upper part of the stove 8. And the structures of the first monitoring seat 7 and the second monitoring seat 9 are the same. An ordering machine 10 is arranged at the front of the vegetable rack 1. The ordering machine 10 is provided with an ordering structure. Monitoring cameras 17 are installed on the upper parts of both the first monitoring seat 7 and the second monitoring seat 9. And the monitoring cameras 17 are respectively connected to the first monitoring seat 7 and the second monitoring seat 9 through an adjustment structure.
[0027] In Figure 1-2Middle: The adjustment structure includes a first adjustment motor 11 respectively installed at the middle of the upper part of the first monitoring seat 7 and the second monitoring seat 9. The output shaft of the first adjustment motor 11 is fixedly installed with a first L-shaped connecting arm 12, and the front part of the first L-shaped connecting arm 12 is fixedly installed with a second adjustment motor 13. The first adjustment motor 11 arranged by the adjustment structure drives the first L-shaped connecting arm 12 to adjust the horizontal angle. Based on the same principle, the second adjustment motor 13 drives the second L-shaped connecting arm 14 to adjust the left and right angles, and the third adjustment motor 15 drives the monitoring connecting frame 16 to adjust the up and down angles. The monitoring camera 17 can be adjusted and monitored in multiple directions. With the image display of the touch screen 19 at the fixed housing 18, the working conditions of the stove 8 can be broadcast live, and the food processing process can be made public and transparent.
[0028] exist Figure 2 Middle: The output shaft of the second adjusting motor 13 is fixedly installed with the second L-shaped connecting arm 14, the third adjusting motor 15 is installed on the outside of the second L-shaped connecting arm 14, the output shaft of the third adjusting motor 15 is installed with the monitoring connecting frame 16, and the monitoring camera 17 is installed on the inner side of the monitoring connecting frame 16. The third adjusting motor 15 drives the monitoring connecting frame 16 to adjust the up and down angles.
[0029] exist Figure 1 and 3 Middle: The ordering structure includes a fixed casing 18 installed on the upper part of the ordering machine 10, a touch screen 19 is embedded in the middle of the front part of the fixed casing 18, and a weight scale 20 is installed at the front part of the ordering machine 10 near the touch screen 19. The selected food is placed on the weight scale 20, and the image is analyzed and matched with the image acquisition camera 21, and the selected food is classified and weighed, so that the price of the goods can be quickly weighed.
[0030] exist Figure 1 and 3 Middle: An IC card reader 24 is installed at the front of the ordering machine 10 near the weight scale 20, and an image acquisition camera 21 is installed at the upper part of the fixed housing 18 at the position corresponding to the weight scale 20. The meal card is placed on the IC card reader 24 for reading, and the ordering machine 10 is operated through the touch display screen 19. The processing unit in the ordering machine 10 performs signal processing, drives the servo motor 30 at the transmission box 27 to rotate, and the selected food is placed on the weight scale 20. The image is analyzed and matched with the image acquisition camera 21, and the selected food is classified and weighed, so that the price of the goods can be quickly weighed, and the user can make facial payment through the facial recognition camera 22.
[0031] exist Figure 3Middle: A face recognition camera 22 is installed on the upper part of the fixed housing 18 near the image acquisition camera 21, and two fill lights 23 are symmetrically installed on the upper part of the fixed housing 18 to improve the camera effects of the image acquisition camera 21 and the face recognition camera 22.
[0032] exist Figure 1 and 4 Middle: Two L-shaped slide rails 25 are symmetrically installed on the upper part of the dish rack 1, and a sliding cover plate 26 is installed on the outside of the dish rack 1 at a position corresponding to the L-shaped slide rail 25, and a matching sliding block is installed on the bottom of the sliding cover plate 26 at a position corresponding to the L-shaped slide rail 25. A storage cabinet 28 is provided at the front part of the dish rack 1, and the sliding cover plate 26 is driven by the sliding block to slide more stably on the outside of the L-shaped slide rail 25.
[0033] exist Figure 1 , 4 As in Figure 5 , a transmission box 27 is installed on the outside of the dish rack 1 at a position corresponding to the sliding cover plate 26 , a rear cover 29 is installed on the rear of the transmission box 27 , and a servo motor 30 is fixedly installed at the middle of the outer end of the transmission box 27 .
[0034] exist Figure 4 and 5 Middle: The output shaft of the servo motor 30 is fixedly installed with a screw 31, and a matching thrust bearing is fixedly installed at the position of the screw 31 on the inner side of the transmission box 27, and a connecting seat 32 is arranged on the inner side of the transmission box 27, and a matching ball nut 33 is embedded and installed at the position of the screw 31 inside the connecting seat 32. The screw 31 is driven to rotate by the servo motor 30, and the cooperation between the screw 31 and the ball nut 33 can drive the connecting seat 32 to slide, thereby driving the sliding cover plate 26 to slide on the L-shaped slide rail 25, so that the cooking pot 2 can be opened for self-selected rice.
[0035] exist Figure 4 and 5 Middle: A connecting slider 34 is fixedly installed on the outside of the connecting seat 32, and the connecting seat 32 is connected to the outside of the sliding cover 26 through the connecting slider 34. A matching connecting groove 35 is provided at the position of the connecting slider 34 inside the transmission box 27. Two sliding columns 36 are symmetrically installed on the inner side of the transmission box 27. A matching sliding sleeve is provided at the position of the sliding column 36 inside the connecting seat 32. Through the cooperation between the sliding column 36 and the sliding sleeve, the connecting seat 32 is driven to slide more stably.
[0036] The working principle of the present invention is: when in use, the first monitoring seat 7 and the second monitoring seat 9 are connected to an external controller, and the first adjusting motor 11 set by the adjusting structure drives the first L-shaped connecting arm 12 to adjust the horizontal angle. According to the same principle, the second L-shaped connecting arm 14 is driven by the second adjusting motor 13 to adjust the left and right angles, and the monitoring connecting frame 16 is driven by the third adjusting motor 15 to adjust the up and down angles, so that the monitoring camera 17 can be adjusted and monitored in multiple directions, and the touch screen 19 at the fixed housing 18 is used to display images, so that the working conditions of the stove 8 can be broadcast live, and the food processing process can be made public and transparent. When the chef has finished processing the food, the food can be placed on the serving storage box 5, and the food can be transmitted to the dish pot 2 at the dish rack 1 through the conveyor belt 4, so as to realize contactless serving and improve the hygienic effect. During the transmission process of the conveyor belt 4, the monitoring structure set by the first monitoring seat 7 can be used for real-time monitoring, which can provide The use effect of the device is improved to achieve food safety tracking. Secondly, in the process of ordering dishes, the meal card can be placed at the IC card reader 24 for reading, and the ordering machine 10 can be operated through the touch screen 19. The processing unit in the ordering machine 10 performs signal processing, and drives the servo motor 30 at the transmission box 27 to rotate. The servo motor 30 drives the lead screw 31 to rotate, and the cooperation of the lead screw 31 and the ball nut 33 can drive the connecting seat 32 to slide, so as to drive the sliding cover 26 to slide on the L-shaped slide rail 25. Then, the dish pot 2 can be opened for self-selected rice, and the selected food can be placed on the weight scale 20. The image acquisition camera 21 is matched after image analysis, and the selected food is classified and weighed, so that the price of the product can be quickly weighed. The user can make facial payment through the facial recognition camera 22, thereby improving the convenience of using the device, and self-selected aseptic rice is served throughout the process, which improves food safety.
[0037] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.
[0038] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A food safety tracking system for a self-service canteen, comprising a food rack (1), characterized in that: The upper part of the dish rack (1) is equidistantly provided with a dish pot (2); the rear part of the dish rack (1) is provided with a fixed rack (3); the upper part of the fixed rack (3) is provided with a conveyor belt (4); the outer part of the conveyor belt (4) is equidistantly provided with a dish storage box (5); the outer part of the fixed rack (3) is provided with an inverted shaped partition (6); the outer part of the fixed rack (3) is provided with a first monitoring seat (7) near the conveyor belt (4); the rear part of the fixed rack (3) is provided with a stove (8); the upper part of the stove (8) is provided with a second monitoring seat (9); the first monitoring seat (7) and the second monitoring seat (9) have the same structure; the front part of the dish rack (1) is provided with a meal ordering machine (10); the meal ordering machine (10) A meal ordering structure is provided, wherein monitoring cameras (17) are installed on the upper parts of the first monitoring seat (7) and the second monitoring seat (9), and the monitoring cameras (17) are respectively connected to the first monitoring seat (7) and the second monitoring seat (9) via an adjustment structure, the meal ordering structure comprises a fixed housing (18) fixedly installed on the upper part of the meal ordering machine (10), a touch screen (19) is embedded and installed in the middle of the front part of the fixed housing (18), a weight scale (20) is installed at the front part of the meal ordering machine (10) near the touch screen (19), an IC card reader (24) is installed at the front part of the meal ordering machine (10) near the weight scale (20), and the upper part of the fixed housing (18) corresponds to the weight scale ( An image acquisition camera (21) is installed at the position of the IC card reader (20), the meal card is placed at the IC card reader (24) for reading, and the ordering machine (10) is operated through the touch screen (19). A face recognition camera (22) is installed at the upper part of the fixed housing (18) near the image acquisition camera (21), and two fill lights (23) are symmetrically installed on the upper part of the fixed housing (18). The processing unit in the ordering machine (10) performs signal processing, drives the servo motor (30) at the transmission box (27) to rotate, places the selected food on the weight scale (20), cooperates with the image acquisition camera (21) to perform image analysis and matching, and classifies and weighs the selected food, so as to quickly weigh the food. The price of the product is given, and the user performs facial payment through a facial recognition camera (22). Two L-shaped slide rails (25) are symmetrically installed on the upper part of the dish rack (1). A sliding cover plate (26) is installed at a position corresponding to the L-shaped slide rail (25) on the outside of the dish rack (1). A matching sliding block is installed at a position corresponding to the L-shaped slide rail (25) on the bottom of the sliding cover plate (26). A storage cabinet (28) is provided at the front of the dish rack (1) and is installed therein. A transmission box (27) is installed at a position corresponding to the sliding cover plate (26) on the outside of the dish rack (1). A rear cover (29) is installed at the rear of the transmission box (27). A servo motor (30) is fixedly installed at the middle of the outer end of the transmission box (27).
2. A food safety tracking system for a self-service canteen according to claim 1, characterized in that: The adjustment structure comprises a first adjustment motor (11) respectively mounted at the middle of the upper part of the first monitoring seat (7) and the second monitoring seat (9); a first L-shaped connecting arm (12) is fixedly mounted on the output shaft of the first adjustment motor (11); and a second adjustment motor (13) is fixedly mounted on the front part of the first L-shaped connecting arm (12).
3. A food safety tracking system for a self-service canteen according to claim 2, characterized in that: The output shaft of the second adjustment motor (13) is fixedly mounted with a second L-shaped connecting arm (14); the outside of the second L-shaped connecting arm (14) is mounted with a third adjustment motor (15); the output shaft of the third adjustment motor (15) is mounted with a monitoring connecting frame (16); and the monitoring camera (17) is mounted on the inner side of the monitoring connecting frame (16).
4. The food safety tracking system for a self-service canteen according to claim 1, characterized in that: A lead screw (31) is fixedly mounted on the output shaft of the servo motor (30); a matching thrust bearing is fixedly mounted on the inner side of the transmission box (27) at a position corresponding to the lead screw (31); a connecting seat (32) is provided on the inner side of the transmission box (27); a matching ball nut (33) is embedded and mounted on the inner side of the connecting seat (32) at a position corresponding to the lead screw (31).
5. A food safety tracking system for a self-service canteen according to claim 4, characterized in that: A connecting slide block (34) is fixedly mounted on the outside of the connecting seat (32), and the connecting seat (32) is connected to the outside of the sliding cover plate (26) via the connecting slide block (34); a matching connecting slide groove (35) is provided inside the transmission box (27) at a position corresponding to the connecting slide block (34); two sliding columns (36) are symmetrically mounted on the inner side of the transmission box (27); and a matching sliding sleeve is provided inside the connecting seat (32) at a position corresponding to the sliding column (36).
