30 results about "Food reserve" patented technology

The invention aims to provide a refrigerator which appropriately detects temperature in a storage chamber through a temperature detecting unit, thereby improving food reserving performance and reliability and realizing high energy-saving performance. The refrigerator is provided with the components of: a first cold air channel and a second cold air channel which supply cold air to a random space of spaces of the storage chamber that is formed by a plurality of shelves, a first air amount adjusting device which controls air supply of the first cold air channel, and a second air amount adjusting device which controls air supply of the second cold air channel. The refrigerator is provided with a first area, a second area and a third area. Cold air from the first cold air channel and the second cold air channel is supplied into the first area. The second area is arranged between an upmost shelf in the storage chamber and the upper wall of the storage chamber, and the cold air is supplied into the second area through the second cold air channel. The third area is arranged between the upmost shelf and a downmost shelf in the storage chamber, and cold air is supplied into the third area through the first cold air channel. The first area is provided with a first temperature detecting unit.

The invention discloses a production method of a fermented leafy vegetable instant food. The production method is characterized by comprising the following steps: raw material selection, raw material processing, air-drying, flavored pickling seasoning preparation, pickling, vegetable base arrangement, cutting, packaging and sterilization. According to the production method, the produced fermented leafy vegetable instant food reserves the specific taste and nutritional ingredients of leafy vegetables and is additionally provided with special flavored substances, so that the quality of the instant food is improved, the color, aroma and taste of the leafy vegetables are improved, the instant food is mellow and fresh in taste and crisp and tender in texture, and the flavor and grade of the instant food are improved. The production method has the advantages that the production cost is low, the process of the processing method is simple, and the food is ready to eat after being unpacked and has good market prospect.

The invention discloses an intelligent food reserved sample monitoring system which comprises a cloud server, at least one food reserved sample cabinet, a monitoring and early warning platform and a mobile terminal. The food reserved sample cabinet comprises a cabinet body, a cabinet door capable of being opened and closed is arranged on the surface of the cabinet body, a door lock, an identity recognition module, a display module and an input module are arranged on the cabinet door, at least one camera and at least one storage unit are arranged in the cabinet body, and the storage unit is located in the shooting view of the camera; a weighing module is arranged in the storage unit; the monitoring and early warning platform comprises a monitoring data management module, a simulation analysis module, an early warning module and an accident processing expert system. Due to the adoption of the image recognition technology, the type of sample reserving food stored in the closed container can be directly recognized, the whole-process video recording is adopted for the sample reserving process, the whole-process control is carried out on operators, environmental indexes and other factors, the accuracy and the effectiveness of sample reserving are ensured, and the working efficiency of food safety supervision is remarkably improved.

The invention discloses a pest measuring device special for a grain depot, and belongs to the technical field of grain reserve. The device solves the problem that a pest counting channel of an existing device is prone to blockage, and consequently the pest measuring number of the device is inaccurate. The special pest measuring device special for the grain depot is technically characterized by comprising a shell and a supporting base, wherein the bottom of the shell is fixed to the supporting base, an air draft cavity is formed in the top of the shell, a working cavity is formed below the airdraft cavity, a collecting groove used for collecting pests is formed below the working cavity, a pest catching assembly is arranged in the collecting groove, and a supporting assembly used for supporting the supporting base is arranged at the bottom of the supporting base. According to the embodiment of the pest measuring device special for the grain depot, the pest catching assembly is arranged,so that the contact area between a pest inducing piece and pests is increased, meanwhile, the pests are prevented from being accumulated on the pest inducing piece, and counting of the pests is facilitated; and stable supporting of the shell is realized through arrangement of the supporting assembly, and meanwhile, the height adjustment of the shell can also be realized.

The invention discloses a food safety tracing system, and relates to the technical field of food safety management. The food safety tracing system comprises an enterprise information two-dimensional code module, a field monitoring module and a food safety data tracing module, and is characterized in that the enterprise information two-dimensional code module comprises an enterprise information two-dimensional code generating module which is used for generating a two-dimensional code containing related information of an enterprise; the field monitoring module is used for monitoring conditions of the food processing field; and the food safety data tracing module is used for providing enterprise information data, employee health certificate data, a purchase and sale standing book and food reserved sample data. According to the invention, conditions of the food processing field can be checked through the monitoring module, thereby ensuring the operation normalization and sanitation of the food processing field, reducing occurrence of food safety problems and improving the credibility of consumers to the food safety. Consumers or supervision departments can check the enterprise information, the health certificate conditions of employees in the enterprise, the purchase and sale standing book data and the food reserved sample data through the food safety data tracing module, thereby being convenient to for tracing the link in which a food safety problem exists, being easy to trace to a person in charge and effectively ensuring the food safety.

The invention discloses a diet management method based on a service robot and further discloses the service robot simultaneously. The diet management method comprises the steps that demand recipe information of at least two members is obtained, and under the condition that conflicted recipe information does not exist, the demand recipe information with adequate food reserves, the demand recipe information put forward by the most members and / or the demand recipe information most suitable for the season are preferentially fed back; and under the condition that the conflicted recipe information exists, the conflicted recipe information is eliminated, and then the demand recipe information with adequate food reserves, the demand recipe information put forward by the most members and / or the demand recipe information most suitable for the season are preferentially fed back. The diet management method based on the service robot is suitable for multiple scenes such as home cooking and companyreservation, can solve the problem of pushing and conflicting of the recipe information among the multiple members, and meets the service requirements of the internet and intellectualization.

The invention relates to an intelligent food reserved sample storage device. According to the device, a controller receives a gravity value of a first gravity sensor at the bottom of a certain placingplate, records the time for placing a reserved sample box on the placing plate when the gravity value is not zero, and after the time for placing the reserved sample box on the placing plate reachesa set time, controlling a moving adjusting device to move up and down and left and right, and controlling a clamping device to clamp the reserved sample box on the placing plate and place the reservedsample box on a tray of a first inner cavity; the controller receives a gravity value of a second gravity sensor on the tray of the first inner cavity, controls a rotating device to enable the firstinner cavity to rotate to a dumping adjusting device when the gravity value is not zero, controls the dumping adjusting device to dump so as to enable food to flow to a garbage disposal box, and controls the rotating device to enable the first inner cavity to rotate to a cleaning device; the cleaning device is controlled to clean the reserved sample box, the rotating device is controlled to enablethe first inner cavity to rotate to a drying device, controlling the drying device to dry the sample reserving box, the rotating device is controlled to enable the first inner cavity to rotate to a disinfecting device, and the disinfecting device is controlled to disinfect the reserved sample box.

The invention discloses a runway type storage type boxed meal automatic selling system with an expired date reminding function. The runway type storage type boxed meal automatic selling system comprises a user hand-held terminal equipped with boxed meal selling mobile phone APP, an automatic selling machine and a cloud server, the automatic selling machine is provided with a code scanning mechanism, the user hand-held terminal is connected with the cloud server through a network, and the automatic selling machine and the cloud server are connected through the GPRS; a user logs into the cloud server through the mode that the user hand-held terminal is connected with the cloud server in a wireless connection manner, the automatic selling machine is selected according to the address of the automatic selling machine, and foods capable of being purchased in the automatic selling machine are selected, ordered and reserved; and the automatic selling machine is internally provided with an expired date reminding module. By means of the automatic selling machine, the user can reserve the foods in the automatic selling machine in a manner of meal ordering on the mobile phone APP. After the automatic selling machine receives the order of the user, the foods reserved by the user can be processed before the meal taking time reserved by the user.

The invention relates to a food reserved sample processing method and device and a user terminal, and belongs to the technical field of food reserved sample processing. The method comprises the following steps: acquiring food reserved sample registration information registered by reserved sample personnel, acquiring a video shot by the reserved sample personnel for a reserved sample box pasted with a food reserved sample label, and acquiring identification information of the reserved sample personnel; according to the food reserved sample registration information and the video and identification information shot by the reserved sample box pasted with the food reserved sample label, judging whether a preset pre-examination condition of food reserved samples is met or not; and determining whether to open an electronic lock of the sample reserving equipment or not according to a judgment result, and executing corresponding subsequent processing. According to the invention, the reliabilityof food sample reservation is improved.

The invention provides a horizontal warehouse of a heat preservation steel structure. Grains on the periphery of a warehouse type wall body are blocked by a grain blocking screen. The parts, making contact with the air, of the surfaces of the grains are serious in moisture lost, and the quality of grains is affected. The horizontal warehouse of the heat preservation steel structure comprises foundations (1). The horizontal warehouse of the heat preservation steel structure comprises a warehouse top (3) and a warehouse body (2). The bottom of the warehouse body (2) of the horizontal warehouse of the heat preservation steel structure is connected with the foundations. The warehouse body comprises column frames (4) and heat preservation wall bodies (5). Bearing plates (6) are fixedly arranged on the inner sides of the column frames. The horizontal warehouse is used for long-term grain stock.

The invention discloses a container grain reserve state tagging block chain data acquisition method, device and system. The method comprises the following steps: acquiring quality data, quantity data,temperature data, humidity data, insect condition data and gas data of grains in each bin position from container grain reserve sensor equipment and an Internet of Things multifunctional gateway which are arranged in each bin position; according to an inventory identification code compilation rule, and according to the quality data, the quantity data, the temperature data, the humidity data, theinsect condition data and the gas data, generating a container grain reserve state tracing code of each bin position; and for any container grain reserve state traceability code, generating tagging block chain data, and publishing the tagging block chain data on the tagging block chain. According to the method, container grain reserve state transactions are tagged, extracted, encrypted and published to a block chain, a streaming data acquisition and processing technology is established, and a technical foundation is laid for grain tracing.

The invention discloses a warehouse type boxed meal automatic selling system based on inclined material fetching device goods delivery. The system comprises a user handheld terminal with a boxed mealselling mobile phone APP, an automatic selling machine and a cloud server. A code scanning mechanism is arranged on the automatic selling machine, the user handheld terminal and the cloud server are in network connection, and the automatic selling machine is connected with the cloud server through a GPRS. The automatic selling machine comprises a base, a compartment body, a box door, a rotary motor, a bottom motor base, a material fetching device, a material fetching drive device, a heating mechanism, a vertically-arranged first roller, a vertically-arranged second roller, and a vertical servorolling platform arranged on the first roller and the second roller. By means of the automatic selling machine, food in the automatic selling machine can be reserved by a user in the manner of ordering on the mobile phone app. After the automatic selling machine receives an order of the user, the food reserved by the user can be processed before the dish fetching time reserved by the user.

The invention is applicable to the technical field of grain reserve and provides a grain unloading depot dust removal system. The system comprises a grain unloading depot and a feeding port formed inthe grain unloading depot, an inlet and an outlet are formed in the grain unloading depot, a plurality of dust removal devices are arranged in the grain unloading depot, the dust removal devices and the inlet and the outlet are located on the same side, and gear pieces are movably arranged at the positions, corresponding to the inlet and the outlet, of the grain unloading depot. The dust removal devices and the inlet and outlet are located on the same side, so that the trend of wind is converged to the dust removal devices, the consistency of the wind direction is guaranteed, airflow turbulence in the grain unloading warehouse is avoided, and the dust removal effect is improved, a gear piece is arranged at the inlet / outlet, therefore, the inlet and the outlet can be sealed through the blocking pieces, the grain unloading depot is in a sealed state as a whole, the situation that dust removal is affected by natural wind due to the fact that the grain unloading depot is opened in the dustremoval process is avoided, it is further guaranteed that the wind direction is consistent, it is guaranteed that materials do not raise dust everywhere in the unloading process, and the dust removaleffect is greatly improved.

The invention discloses Chinese water chestnut noodles. The Chinese water chestnut noodles are prepared from the following raw materials in parts by weight: 80-100 parts of Chinese water chestnut dry powder, 5-10 parts of milk powder, 5-10 parts of corn flour, 5-10 parts of glutinous rice flour and 0.3-1 part of edible salt. The invention also discloses a preparation method of the Chinese water chestnut noodles. Compared with the prior art, the Chinese water chestnut noodles have the advantages that a preparation technology is simple, the source of raw materials is wide, the raw materials can be readily available, and price is low, so that production cost is low; and the prepared Chinese water chestnut noodle food reserves nutritional ingredients of Chinese water chestnut, is comprehensive in nutrition, has the effects of cooling blood to remove apthogenic heat, inducing diuresis, relaxing the bowels, eliminating phlegm to arrest coughing, promoting digestion, eliminating flatulence as well as recuperating haemorrhoids or dysentery and hemafecia, contains no chemical additives and is green and safe.

The invention discloses a food safety tracing system, and relates to the technical field of food safety management. The food safety tracing system comprises an enterprise information two-dimensional code module, a field monitoring module and a food safety data tracing module, and is characterized in that the enterprise information two-dimensional code module comprises an enterprise information two-dimensional code generating module which is used for generating a two-dimensional code containing related information of an enterprise; the field monitoring module is used for monitoring conditions of the food processing field; and the food safety data tracing module is used for providing enterprise information data, employee health certificate data, a purchase and sale standing book and food reserved sample data. According to the invention, conditions of the food processing field can be checked through the monitoring module, thereby ensuring the operation normalization and sanitation of the food processing field, reducing occurrence of food safety problems and improving the credibility of consumers to the food safety. Consumers or supervision departments can check the enterprise information, the health certificate conditions of employees in the enterprise, the purchase and sale standing book data and the food reserved sample data through the food safety data tracing module, thereby being convenient to for tracing the link in which a food safety problem exists, being easy to trace to a person in charge and effectively ensuring the food safety.

The invention discloses a grain logistics code tagging system based on an inventory identification code, which takes a container as a unit, and comprises: a grain reserve state identification code generation module which is used for generating a root code according to the goods allocation information and the root code mark, wherein the current goods allocation information and the grain attribute information generate a current code, and the root code and the current code form a grain reserve state identification code; a box sealing inspection grain identification code generation module which is used for generating a current code according to the current container information and the grain attribute information, wherein the root code and the current code form a box sealing inspection grain identification code; an in-box grain basic information identification code generation module which is used for generating in-box grain basic information identification codes according to grain property, variety codes and quality codes; and a container transportation historical logistics identification code generation module which is used for generating a current code by the current container information and the grain attribute information, forming a production place logistics code by the root code and the current code, and generating a container transportation historical logistics identification code by the production place logistics code and each link logistics code. Whole-course tracing of the grain quality logistics information is realized.

The invention discloses a storage type automatic vending system for box lunches of a rotary reclaiming type, comprising a user-held terminal equipped with a box-lunch vending mobile APP, an automatic vending machine and a cloud server. The automatic vending machine is provided with a code scanning mechanism, and the user holds the terminal It is connected to the cloud server through the network, and the vending machine and the cloud server are connected through GPRS; the vending machine includes a shell, a box door, a rotary drive device, a column, a storage bin, a reclaimer and a reclaimer drive, and the rotary drive device includes a rotating The motor and the sheave mechanism, and the reclaiming device includes an arc-shaped lifting track and a reclaiming device. The automatic vending machine of the present invention allows users to order food in the automatic vending machine by ordering food on a mobile app. After the vending machine receives the user's order, it can process the food reserved by the user before the user's reserved meal pickup time; when the user picks up the meal, the processed food can be directly taken without waiting for the heating time.

The invention relates to the field of grain reserve management, and discloses a grain reserve planning method and system aiming at fluctuation of grain price. The food reserve planning method comprises the following steps: obtaining food-related data of each region; setting a first constraint condition and a second constraint condition satisfying the local grain reserve demand of each region for grain off-site storage in different places according to the grain-related data; establishing a linear programming model for calculating the minimum cost of the local grain reserve and the off-site grain storage in each region based on the first constraint condition and the second constraint condition; according to the calculation results of the linear programming model, the local grain reserve amount, the grain off-site reserve area and the grain reserve amount in different places of each area are determined. The scheme of the invention can more comprehensively reflect the situation differenceof the fluctuation of the grain price in each region, and provides the corresponding grain reserve strategy to optimize the distribution of the grain reserve in each region, and realize the purpose ofstabilizing the large fluctuation of the grain price.

The invention discloses a storage-style boxed lunch automatic vending system with an expiration reminder, rotating and retrieving, which includes a user-held terminal equipped with a mobile phone APP for selling boxed lunches, an automatic vending machine, and a cloud server. The automatic vending machine is provided with a code scanning mechanism. The user's handheld terminal is connected to the cloud server through the network, and the vending machine and the cloud server are connected through GPRS; the vending machine includes a casing, a box door, a rotary drive device, a column, a storage bin, a retrieving device and a retrieving drive device, and the rotary drive The device includes a rotating motor and a sheave mechanism, and the retrieving device includes an arc-shaped lifting track and a retrieving device. The automatic vending machine of the present invention allows users to order food in the automatic vending machine by ordering food on the mobile phone app. . After the vending machine receives the user's order, it can process the food ordered by the user before the user's reserved meal pick-up time; the user can directly take the processed food when picking up the meal, without waiting for the heating time.

The invention relates to the technical field of pet food, in particular to freeze-dried meat mixed puffed pet cat food with improved palatability. The freeze-dried meat mixed puffed pet cat food is prepared from the following raw materials in percentage by weight: 34% of fresh chicken, 27% of chicken powder, 4% of chicken oil, 2% of freeze-dried chicken, 4% of cheese, 3% of fresh chicken heart, 3% of fresh chicken liver, 3% of fresh chicken gizzard, 3% of sweet potato, 3% of sweet potato powder, 2% of salmon oil, 1.5% of linseed oil, 1% of freeze-dried egg yolk, 1% of fresh egg, 1% of alfalfa hay, 1% of pumpkin, 1% of brown algae powder, 1% of beer yeast powder, 0.5% of semen plantaginis, 0.2% of fresh apple, 0.15% of fresh broccoli, 0.1% of cranberry, 0.05% of glucosamine hydrochloride and 3.5% of nutritional additive. According to the cat food prepared by adopting the formula disclosed by the invention, freeze-dried meat is prepared into powder and the freeze-dried meat powder wraps puffed food pellets, so that not only are the advantages of traditional freeze-dried meat mixed cat food reserved, but also the problem of insufficient nutrition intake caused by the fact that a cat is a picky eater and only eats the freeze-dried meat is also avoided.

The invention discloses an automatic canteen dining table, which comprises a table top, a table frame, a surrounding plate and a bottom plate. The automatic canteen dining table is provided with a meal storage box, a storage groove is formed in the meal storage box and divides the meal storage box into a left heat preservation box and a right heat preservation box, meal taking doors are arranged on the two sides of the heat preservation boxes, and the storage groove is provided with a heater. Conveying belts are arranged in the heat preservation boxes, rollers and cases are arranged at the two ends of the conveying belts, and the rollers are arranged in the cases. Meal inlet doors are arranged at the two ends of the heat preservation boxes, and dinner plates enter the heat preservation boxes through the meal inlet doors. A transmission wheel, a motor and a controller are further arranged in each case. The table frame is provided with a battery box, a power-on port and a tightening device. After the automatic canteen dining table is matched with meal sending equipment, besides the traditional function of supporting dining for people, and the automatic canteen dining table can also store food, preserve the food and convey the food reserved by diners into the meal storage box after containing the food, so that the diners can eat the food after going to the canteen without queuing. The automatic canteen dining table is suitable for dining places such as factories, schools, hospitals and restaurants.

The technical scheme of the invention is characterized in that a self service pet food basin comprises a pet food basin, a sensing device and a pet food reserve box; the sensing device comprises a weight sensor; the weight sensor is connected with the pet food preserve box; the pet food reserve box is arranged at the upper end of the pet food basin; the sensing device is arranged at the bottom end of the pet food basin. The self service pet food basin has the beneficial effects that the structure is simple, and the sensing device is connected with the pet food reserve box, so when pet food is less then a fixed amount, the pet food reserve box automatically adds the pet food into the pet food basin, and the use is simple and convenient.

The invention discloses an intelligent fixed-point granary overturning system based on remote control, and relates to the technical field of grain reserve. Through remote acquisition, remote processing and remote execution of internal environment information and external environment information of a granary, the deterioration condition of grains in the granary is automatically judged; therefore, dry and disinfected air is automatically injected, and grains in the granary are intelligently rolled in a multi-layer manner, so that the drying efficiency of the grains in the granary is improved, the grains are prevented from going bad due to environmental conditions, the quality of the grains is guaranteed, and the grain quality is improved. The problems that a traditional granary cannot process deterioration of grains in the granary due to environmental factors by monitoring the internal and external environments of the granary, cannot predictively calculate the deterioration of the grains, and cannot preprocess the deterioration of the grains are solved.

The invention discloses a food reserved sample monitoring method and a food reserved sample cabinet, the food reserved sample cabinet is connected with a remote control platform and is provided with aplurality of storage spaces, each storage space is provided with a gravity sensing device and an electric control lock, and the method comprises the following steps: acquiring first information; judging a group to which the identity information the same as the first information belongs, and if the identity information belongs to the first group, determining a first instruction; if the identity information belongs to the second group, acquiring second information, and determining a second instruction according to the second information; if the identity information belongs to the third group, acquiring third information and fourth information of a gravity sensing device of the specified storage space; and determining a third instruction according to the fourth information, and sending an unlocking signal to the electric control lock of the specified storage space according to the third instruction. It is guaranteed that the reserved sample food cannot be taken by unauthorized personnelwithin the reserved sample supervision time, real-time supervision on the reserved sample food is achieved through the remote control platform, and the credibility of the reserved sample food is improved.

The invention discloses a canteen safety visual management and control system. The system comprises a computer management system and an online monitoring device, the online monitoring device comprisesa worker monitoring module, a food reserved sample monitoring module, an equipment real-time monitoring module, a temperature and humidity real-time monitoring module and an intelligent inspection module. The computer management system is connected with the worker monitoring module, the food reserved sample monitoring module, the equipment real-time monitoring module, the temperature and humidityreal-time monitoring module and the intelligent inspection module respectively; the computer management system is further connected with a database server and a communication module, and the communication module is connected with a computer or / and a mobile phone. According to the technical scheme, use is convenient, the catering service quality data can be quantified, collected and managed, the catering industry service quality is standardized, intelligence of the whole catering management service process is achieved, the catering industry operation cost is reduced, and the catering industryservice mode and the service level are improved.

The invention discloses a sanitation management system and management method based on a smart campus. The system comprises a canteen management and control module, a dormitory monitoring module, a classroom monitoring module, a school gate monitoring module, a student reporting module, a data receiving module, a data processing module, a sanitation evaluation module, a master control module, an information sending module, a campus display module and a sanitation prevention and control unit receiving module. The canteen management and control module comprises a consumer recording module, a canteen disinfection uploading module, a video reserved sample detection module and a food source recording module; the consumer recording module is used for recording personnel identity information of all canteen consumers, the canteen disinfection uploading module is used for uploading images recorded during canteen disinfection, and the food reserved sample detection module is used for obtaining food information of canteen reserved samples. The food source recording module is used for collecting source information of food. Campus sanitation management can be better carried out, and the system is more worthy of application and popularization.

The invention discloses a production method of a fermented leafy vegetable instant food. The production method is characterized by comprising the following steps: raw material selection, raw material processing, air-drying, flavored pickling seasoning preparation, pickling, vegetable base arrangement, cutting, packaging and sterilization. According to the production method, the produced fermented leafy vegetable instant food reserves the specific taste and nutritional ingredients of leafy vegetables and is additionally provided with special flavored substances, so that the quality of the instant food is improved, the color, aroma and taste of the leafy vegetables are improved, the instant food is mellow and fresh in taste and crisp and tender in texture, and the flavor and grade of the instant food are improved. The production method has the advantages that the production cost is low, the process of the processing method is simple, and the food is ready to eat after being unpacked and has good market prospect.

The invention belongs to the technical field of agricultural equipment, especially an agricultural grain storage device. Aiming at the problems of uncontrollable temperature, simple design structure, single function, and inconvenient use, the following scheme is proposed, including a concrete pier, and the bottom of the concrete pier A gravel substrate is laid, and the area of ​​the gravel substrate is larger than the surface area of ​​the bottom of the concrete pier, a first storage box is fixedly installed on the outer wall of the top of the concrete pier, and a guide groove is opened on the outer wall of the top of the first storage box, A guide ring is inserted into the guide groove, and a fixed connection is formed between the guide ring and the guide groove. The invention can make the storage box have a better foundation, can ensure that the storage box stands on the ground stably for a long time, adjusts the overall volume of the storage box, and meets the storage of different amounts of grains, and can obtain from the second storage box. The top completes the ventilation and light extraction of the entire storage box to ensure the quality of the grain inside the storage box.

Provided is an intelligent food reserved sample storage cabinet. After the time for placing a sample retaining box reaches the set time, a controller controls an air cylinder to drive a correspondingfoldable baffle to be folded, controls an up-down lifting mechanism to drive a placing platform to move up and down so that the placing platform is flush with a placing plate, controls a front-back shifting device to move the food sample retaining box to the placing platform, and controls a clamping mechanism to clamp the sample retaining box; the controller controls the up-down lifting mechanismto enable the placing platform to move downwards, and controls an overturning mechanism to enable the sample retaining box on the placing platform to overturn after the placing platform moves for theset time, and food in the sample retaining box are dumped into a garbage disposal box; the overturning mechanism is controlled to reversely overturn the sample retaining box, a spraying device is controlled to clean the sample retaining box, a drying device is controlled to dry the sample retaining box, a sterilizing device is controlled to sterilize the sample retaining box, the overturning mechanism is controlled to reversely overturn the sample retaining box, the up-down lifting mechanism is controlled to enable the placing platform to move upwards to be flush with the placing plate, and the front-back shifting device is controlled to move the sample retaining box on the placing platform to the placing plate.