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1. Background
At present, hotels, hospitals, baths and professional washing companies are facing the process of handling thousands of pieces of work clothes, linen handover, washing, ironing, finishing, storage, etc., how to effectively track and manage each piece The washing process, washing times, inventory status and effective classification of the linen are a great challenge:
1. Handover of washing tasks on paper, complicated procedures and difficult inquiries;
2. Because of the fear of cross-infection, the statistics of certain linens to be washed cannot be carried out, and the mismatch between the number of washed lines and the task is likely to cause commercial disputes;
3. Each step of the washing process cannot be accurately monitored, and the linen has a missing treatment link;
4. The washed linen is classified accurately to save storage space;
5. It is impossible to accurately arrange the minimum safety stock of each piece of linen.
2. System introduction
The introduction of RFID radio frequency identification technology will make the user’s laundry management more transparent, and improve work efficiency, and solve the management problems that could not be achieved by other technologies in the past, such as: large quantities of linen to be washed statistics, Handover.
The solution is to sew a strip-shaped electronic label on each piece of linen, which has a globally unique identification code, that is, each piece of linen will have a unique management identification until the linen is scrapped (the label can be Repeated use, but does not exceed the service life of the label itself). In the entire linen use and washing management, the use status and washing times of the linen will be automatically recorded through the RFID reader. It supports batch reading of labels during washing handover, making the handover of washing tasks simple and transparent, and reducing business disputes. At the same time, by tracking the number of washes, it can estimate the service life of the current linen for users and provide forecast data for the purchase plan.
Three, system efficacy
1. Labor can be reduced by 40-50%;
2. The visualization of more than 99% of linen products reduces the risk of missing linen;
3. Improved supply chain management will reduce work service time by 20-25%;
4. Improve the accuracy and reliability of stored information;
5. Efficient and accurate data collection to provide operational efficiency;
6. Automatic collection of data for distribution, recycling and handover, reducing human error;
7. Reduce the overall cost of user linen washing management.
Fourth, the main components of the system
1. RFID electronic tags
2. RFID tag issuer JY-U8632
3. RFID fixed reader JY-U8910
4. RFID handheld reader JY-U7900
5. Guangzhou Jianyong Laundry Management System
Five, system design
1. Label sewing
The strip-shaped label can be sewn through a small cloth bag or directly on the linen to be managed. The sewing position is easy to find. It is recommended to choose a fixed position.
2. Customer Management
Add and modify customer information, including unit lists, contacts, telephone numbers and addresses, etc.
3. Label entry
The chip in the RFID tag can store data, associate the information of each piece of laundry to be managed with the RFID tag ID in the database, and record and track the workflow and life cycle of each piece of work clothes and linen.
4. Check the dirt inventory
The dirt sewn with RFID tags is directly packed. The quantity is automatically collected through the fixed RFID reader channel, and the ID of each piece of dirt read is recorded. Since the data is not counted manually, it improves work efficiency on the one hand, and also brings convenience to hospitals and provides high-quality services.
5. Inventory of clean linen
After the linen is cleaned, go through the fixed RFID reader channel again to check and check to confirm whether there is any linen missing during the washing process, and print out the record for handover with the user.
6. Linen sorting and sorting
With the help of the uniqueness of the RFID tag, it can help sort the linen in each ward, and the RFID reading device can be used to confirm whether there is any misplacement before packing.
7. Linen query
By scanning the label of the linen, the information of each piece of linen can be inquired to prevent it from being left out and confused.
8. Inventory query
Six, system assembly process
1. Product identification:
Each piece of clothing is identified by sewing a button-mounted RFID electronic tag on each piece of laundry that needs to be managed. There is a globally unique ID number in the RFID smart tag chip, and there is a user area for writing data, and the specific attributes of the clothing can be written in the tag, such as the owner of the clothing, the life of the clothing, the number of times the clothing is washed, the model of the clothing, etc. Wait.
2. Automatic inventory:
It is divided into incoming and outgoing inventory, and the quantity is accurate for each transfer. For the packaged dirt, the whole package can be read through the RFID tunnel to perform accurate inventory. The accuracy rate can reach 100%. The data is objective and scientific and can be used to compare The user checks the number of transfers. At the same time, the clean clothes that are to be returned to the user are also confirmed by the RFID tunnel reading device to confirm the exact quantity and make a list.
3. Automatic sorting:
At present, enterprises and users transfer clothes manually. Therefore, the uniqueness of RFID tags can be used to realize the sorting of clean clothes in the washing plant area, directly sorting to the smallest user unit and packing lists, which can save manual sorting time. Reduce personnel labor.
4. Record of washing times:
Due to the characteristics of RFID tags, it is possible to record the washing times of clothes, predict the life of clothes, reasonably control clothes inventory, and provide users with more scientific services.
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