Digital workshop material metering method and system

Abstract

The invention relates to a digital workshop material metering method and system, and the method comprises the following steps: scanning a material receiving document information code, and obtaining a first material receiving document number; requesting the ERP system to send the order template of the first material getting number to the intelligent electronic scale; scanning a bar code on a material needing to be picked, analyzing the bar code to obtain a second material picking order number on the material, judging whether a material number consistent with the second material picking order number exists in the order template or not, and if not, replacing another material; if yes, the materials are placed on an intelligent electronic scale to be weighed, the first weight of the materials is obtained, first weight information is uploaded, whether the first weight is consistent with the second weight of the materials on the order template or not is judged till all the material numbers in the order template are verified, and a material receiving record is generated. And workers can conveniently get the correct materials and the materials correspond to the correct weights. And the difficulty of manually searching the materials is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of digital workshops, and in particular to a digital workshop material metering method and system. Background Art

[0002] In the material management of digital workshops, the collection of non-production materials faces many challenges. There are many types of materials and huge quantities, and materials are often wrongly collected or missed. The traditional way of collecting materials relies on manual verification, which is not only time-consuming but also prone to errors. In order to solve this problem, many companies have begun to introduce electronic scales combined with QR code scanning for material management.

[0003] At present, electronic scales and QR code scanning technology can effectively improve the accuracy of material collection, but there are still problems such as complex system docking and untimely synchronization of order information. Especially when the production needs of enterprises change, the material collection template cannot be automatically updated, resulting in collection errors. Summary of the invention

[0004] In view of the above-mentioned defects, the purpose of the present invention is to provide a digital workshop material measurement method and system, which reduces errors in manual input and search and improves work efficiency.

[0005] To achieve this purpose, the present invention adopts the following technical solution: a digital workshop material measurement method, including the following method:

[0006] Step S1: Scan the material picking document information code to obtain the first material picking document number, wherein the first material picking document number contains multiple material numbers;

[0007] Step S2: Request the ERP system to send the order template corresponding to the first material picking order number to the smart electronic scale;

[0008] Step S3: Scan the barcode on the material to be picked up, parse the barcode to obtain the second material picking order number on the material, and determine whether there is a material number consistent with the second material picking order number in the order template. If not, replace it with another material;

[0009] If it exists, place the material on the smart electronic scale for weighing, obtain the first weight of the material, upload the first weight information, and determine whether the first weight is consistent with the second weight of the material on the order template. If they are consistent, repeat step S3 until all material numbers in the first material collection order number are verified, generate a material collection record, and upload the material collection record to ERP for updating.

[0010] Preferably, before executing step S1, the recipient needs to pass identity verification before successfully scanning and obtaining the material collection document information code.

[0011] Preferably, in step S3, the smart electronic scale is connected to the ERP system via MQTT communication;

[0012] The following rules must be followed when using MQTT communication:

[0013] Rule A: Data with a volume greater than the quantity threshold is divided into multiple message fragments according to the preset size for transmission, and reassembled in ERP. Message fragments are managed by message numbers or tags;

[0014] Rule B: Use TLS protocol to encrypt MQTT connections to ensure data security during transmission;

[0015] Rule C: Use the will function of MQTT to automatically send a "device offline" message to the server when the smart electronic scale accidentally drops offline, ensuring that the server is aware of the device status in a timely manner.

[0016] Establish a status synchronization mechanism to keep the status between the device and the server consistent through regular heartbeat or status report messages.

[0017] Preferably, before executing step S3, the following specific steps are required:

[0018] Step S31: calling the camera equipment to collect all-round images of the material, obtain the key features of the material, and construct a matching module corresponding to the material;

[0019] The step of obtaining the first weight of the material in step S3 also includes:

[0020] Step S32: calling the camera device to obtain the current image of the material, and comparing the current image with the matching module, wherein the comparison includes shape recognition comparison, color detection comparison and appearance detection comparison. When the shape recognition comparison, color detection comparison and appearance detection comparison are all consistent with the matching module, the first weight of the material is obtained.

[0021] Preferably, the method further includes step S4: after the first weight of the first material picking order number is uploaded by the intelligent electronic scale, the first material picking order number can no longer be obtained after the material picking order information code is scanned.

[0022] A digital workshop material measurement system, using the digital workshop material measurement method, comprises a first scanning module, a second scanning module and an uploading module;

[0023] The first scanning module is used to scan the material picking document information code to obtain a first material picking document number, wherein the first material picking document number contains multiple material numbers;

[0024] The second scanning module is used to request the ERP system to send the order template corresponding to the first material picking order number to the smart electronic scale;

[0025] The upload module is used to scan the barcode on the material to be picked up, parse the barcode to obtain the second material picking order number on the material, and determine whether there is a material number consistent with the second material picking order number in the order template. If not, replace another material;

[0026] If it exists, place the material on the smart electronic scale for weighing, obtain the first weight of the material, upload the first weight information, and determine whether the first weight is consistent with the second weight of the material on the order template. If they are consistent, generate a material collection record, and repeatedly call the upload module until all material numbers in the first material collection order number are verified, generate a material collection record, and upload the material collection record to ERP for updating.

[0027] Preferably, it also includes a verification module, which is used for the first scanning module to successfully scan and obtain the material collection document information code only after the recipient's identity is verified.

[0028] Preferably, the upload module further includes a template acquisition submodule and a matching submodule;

[0029] The template acquisition submodule is used to call the camera device to perform all-round image acquisition of the material, obtain the key features of the material, and construct a matching module corresponding to the material;

[0030] The matching submodule is used to call the camera device, obtain the current image of the material, and compare the current image with the matching module, where the comparison includes shape recognition comparison, color detection comparison and appearance detection comparison. When the shape recognition comparison, color detection comparison and appearance detection comparison are all consistent with the matching module, the first weight of the material is obtained.

[0031] Preferably, it also includes an update module;

[0032] The updating module is used to prevent the first material picking number from being obtained after the first weight of the first material picking number is uploaded by the intelligent electronic scale and the material picking document information code is scanned.

[0033] Preferably, the upload module is connected to the ERP system via MQTT communication;

[0034] The following rules must be followed when using MQTT communication:

[0035] Rule A: Data with a volume greater than the quantity threshold is divided into multiple message fragments according to the preset size for transmission, and reassembled in ERP. Message fragments are managed by message numbers or tags;

[0036] Rule B: Use TLS protocol to encrypt MQTT connections to ensure data security during transmission;

[0037] Rule C: Use the will function of MQTT to automatically send a "device offline" message to the server when the smart electronic scale accidentally drops offline, ensuring that the server is aware of the device status in a timely manner.

[0038] Establish a status synchronization mechanism to keep the status between the device and the server consistent through regular heartbeat or status report messages.

[0039] One of the above technical solutions has the following advantages or beneficial effects: 1. The first weight will be uploaded by the intelligent electronic scale and matched with the second weight written on the order template. If they are consistent, it means that the weight of the material received is correct. It fully meets all the characteristics of the material to be received in the first material receiving order number. The worker receives the correct material and the weight received is also correct. It reduces errors in manual input and search, and improves work efficiency.

[0040] 2. These collection records can be stored in the ERP system and updated on the ERP to facilitate subsequent inquiries and traceability, reduce the occurrence of material collection errors and missed collections, and improve the transparency and traceability of the entire material collection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 is a flow chart of an embodiment of the method of the present invention.

[0042] Figure 2 It is a schematic diagram of the structure of an embodiment of the system of the present invention. DETAILED DESCRIPTION

[0043] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0044] In the description of the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0045] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] like Figures 1-2 As shown, a digital workshop material measurement method includes the following methods:

[0047] Step S1: Scan the material picking document information code to obtain the first material picking document number, wherein the first material picking document number contains multiple material numbers;

[0048] Step S2: Request the ERP system to send the order template corresponding to the first material picking order number to the smart electronic scale;

[0049] Step S3: Scan the barcode on the material to be picked up, parse the barcode to obtain the second material picking order number on the material, and determine whether there is a material number consistent with the second material picking order number in the order template. If not, replace it with another material;

[0050] If it exists, place the material on the smart electronic scale for weighing, obtain the first weight of the material, upload the first weight information, and determine whether the first weight is consistent with the second weight of the material on the order template. If they are consistent, repeat step S3 until all material numbers in the first material collection order number are verified, generate a material collection record, and upload the material collection record to ERP for updating.

[0051] In order to solve the problem in the prior art that order information is not synchronized, resulting in the wrong material collection and missed collection. In the present invention, a material collection document information code is provided, wherein the collection document information code can be a QR code or a barcode. When a worker needs to collect materials, he needs to use a mobile phone or other terminal device to scan the material collection document information code, and at this time, the worker's ID will be bound to the first material collection order number of the material collection document information code. The worker can take the goods to be transported to the side of the smart electronic scale according to the first material collection order number, wherein the first material collection order number may include multiple material numbers, and each material number is written with the corresponding material to be collected and the weight of the material. For example, there are two material numbers on the first material collection order number obtained by a worker after scanning, wherein material number 1 is: take the material numbered 1, the second weight is 20kg, and material number 2 is: take the material numbered 2, the second weight is 20kg. Before weighing the materials, workers are required to use mobile phones or other terminals to scan the smart electronic scale. After scanning the smart electronic scale, since the worker's ID is bound to the information code of the material collection document, ERP will find the order template corresponding to the first material collection order number according to the worker's ID and send it to the smart electronic scale. At this time, the user moves the material to the electronic scale and scans the barcode on the material to obtain the second material collection order number of the material. Whether there is a material number consistent with the second material collection order number in this order template, if there is, it means that the current material is correct. At this time, the smart electronic scale carries out normal load-bearing and obtains the first weight. At this time, the first weight will be uploaded by the smart electronic scale and matched with the second weight written on the order template. If it is consistent, it means that the weight of the material collected is no problem. The order template contains the weight required for different materials (second weight). When the first weight is the same as the second weight, it means that the worker has collected the correct material and the weight collected is also correct. It reduces errors in manual input and search and improves work efficiency. In addition, these collection records can be stored in the ERP system and updated on the ERP to facilitate subsequent inquiries and traceability, reduce the occurrence of material collection errors and missed collections, and improve the transparency and traceability of the entire material collection process.

[0052] Preferably, before executing step S1, the recipient needs to pass identity verification before successfully scanning and obtaining the material collection document information code.

[0053] First, identity verification ensures that only authorized personnel can participate in the material collection process. This means that only those who are recognized by the company as legal recipients can pass identity verification and successfully scan the material collection document information code. This measure effectively prevents unauthorized personnel from scanning and collecting materials at will, thereby greatly reducing the risk of illegal occupation or loss of materials.

[0054] Secondly, identity verification improves the accuracy and traceability of material collection. Through identity verification, companies can accurately record the information of the recipient of each material collection. Once a problem occurs in the subsequent production or use of the material, the company can quickly trace it back to the specific recipient for further investigation and processing. This traceability helps companies better manage materials and ensure that the use of materials complies with the company's regulations and standards.

[0055] Finally, in the subsequent matching of the first material picking order number, the corresponding order template can be found according to the identity information (ID) of the corresponding recipient and sent to the smart electronic scale, so that the smart electronic scale can respond to the subsequent matching work in a timely manner.

[0056] Preferably, in step S3, the smart electronic scale is connected to the ERP system via MQTT communication;

[0057] The following rules must be followed when using MQTT communication:

[0058] Rule A: Data with a volume greater than the quantity threshold is divided into multiple message fragments according to the preset size for transmission, and reassembled in ERP. Message fragments are managed by message numbers or tags;

[0059] Rule B: Use the TLS (Transport Layer Security) protocol to encrypt the MQTT connection to ensure the security of data during transmission;

[0060] Rule C: Use the will function of MQTT to automatically send a "device offline" message to the server when the smart electronic scale accidentally drops offline, ensuring that the server is aware of the device status in a timely manner.

[0061] Establish a status synchronization mechanism to keep the status between the device and the server consistent through regular heartbeat or status report messages.

[0062] Because in the prior art, TCP communication is usually used as the communication protocol of the smart electronic scale, but MQTT communication has more efficient transmission and processing capabilities. Therefore, the present invention modifies the protocol for transmission between the smart electronic scale and the ERP to MQTT communication. However, the message size in TCP communication can be customized, while MQTT communication has a limit on the size of a single message (usually 256MB), so problems may be encountered when the amount of data is large. For this reason, the present invention is provided with Rule A to process the information size. Data with an amount greater than the quantity threshold is divided into multiple message fragments according to a preset size for transmission, and reassembled in the ERP, and message fragments are managed by message numbers or tags so that information greater than the information limit can also be transmitted by the smart electronic scale. At the same time, with the increase in workers and the growth of data volume, the system can easily adjust the fragment size to adapt to different transmission requirements.

[0063] In terms of security, in order to prevent criminals from tampering with information and adjusting the weight of materials, the present invention uses the TLS protocol to encrypt the MQTT connection to ensure the security of data during transmission. Encrypted transmission can prevent sensitive data from being stolen or tampered with by a third party, improving the security of data transmission.

[0064] In MQTT, the connection status management of devices is relatively complex, especially when the status of smart electronic scales changes frequently. The present invention utilizes the will function to allow the system to quickly respond to device offline events and ensure the timely delivery of key information. Then, through the status synchronization mechanism, the offline smart electronic scale is connected through regular heartbeat or status report messages, so that it can maintain connection with ERP and complete the task of uploading the first weight.

[0065] Preferably, before executing step S3, the following specific steps are required:

[0066] Step S31: calling the camera equipment to collect all-round images of the material, obtain the key features of the material (such as shape, color, appearance), and build a matching module for the corresponding material;

[0067] The step of obtaining the first weight of the material in step S3 also includes:

[0068] Step S32: calling the camera device to obtain the current image of the material, and comparing the current image with the matching module, wherein the comparison includes shape recognition comparison, color detection comparison and appearance detection comparison. When the shape recognition comparison, color detection comparison and appearance detection comparison are all consistent with the matching module, the first weight of the material is obtained.

[0069] Although the first material picking order number and the second material picking order will be used to determine whether the picked materials are from the same batch before weight matching. However, some material picking order numbers may contain multiple materials. If the first weight and the second weight are simply used for matching, the weight may not be accurately matched. For this reason, a matching module will be preferentially constructed in the present invention. The matching module is matched with the current image of the material being weighed to confirm whether the currently weighed material is the same as the material in the first material picking order number. If they are the same, the first weight will be uploaded to achieve weight matching. Reduce the risk of weight matching errors.

[0070] When performing template matching, the steps and algorithms of image recognition and template comparison are as follows:

[0071] Preprocessing: The captured image and template image are preprocessed, including grayscale, denoising, cropping, and scaling, to ensure that the image size and format of the two are consistent.

[0072] Feature extraction: Extract key features of the image, such as contours (for shape), color histograms (for color detection), texture features, etc., and generate corresponding feature vectors.

[0073] Matching algorithm:

[0074] Shape matching: Use contour analysis methods (such as Fourier descriptors) to determine the similarity of shapes and detect whether the contour of the product conforms to the template shape.

[0075] Color detection: Based on color histogram matching or deep learning-based color classification models, determine whether the goods have been replaced or mixed.

[0076] Appearance detection: Use a convolutional neural network (CNN) to detect whether the image has abnormalities such as damage and stains. You can use a pre-trained model (such as ResNet or MobileNet) for transfer learning to train anomaly detection models.

[0077] Comparison result evaluation: Compare the features of the real-time image with the template features, set the threshold, and determine whether the goods are normal. If abnormal, an alarm is triggered.

[0078] Preferably, the method further includes step S4: after the first weight of the first material picking order number is uploaded by the intelligent electronic scale, the first material picking order number can no longer be obtained after the material picking order information code is scanned.

[0079] When the first first weight of the first material picking order number is uploaded by the smart electronic scale, the material of the first material picking order number of the material picking order information code begins to be picked up. In order to avoid the same first material picking order number being picked up by multiple people, the present invention is set to prevent other people from providing the corresponding first material picking order number by scanning the document information code after the first first weight is uploaded by the smart electronic scale, thereby reducing the risk of materials being picked up by mistake.

[0080] A digital workshop material measurement system, using the digital workshop material measurement method, comprises a first scanning module, a second scanning module and an uploading module;

[0081] The first scanning module is used to scan the material picking document information code to obtain a first material picking document number, wherein the first material picking document number contains multiple material numbers;

[0082] The second scanning module is used to request the ERP system to send the order template corresponding to the first material picking order number to the smart electronic scale;

[0083] The upload module is used to scan the barcode on the material to be picked up, parse the barcode to obtain the second material picking order number on the material, and determine whether there is a material number consistent with the second material picking order number in the order template. If not, replace another material;

[0084] If it exists, place the material on the smart electronic scale for weighing, obtain the first weight of the material, upload the first weight information, and determine whether the first weight is consistent with the second weight of the material on the order template. If they are consistent, generate a material collection record, and repeatedly call the upload module until all material numbers in the first material collection order number are verified, generate a material collection record, and upload the material collection record to ERP for updating.

[0085] Preferably, it also includes a verification module, which is used for the first scanning module to successfully scan and obtain the material collection document information code only after the recipient's identity is verified.

[0086] Preferably, the upload module further includes a template acquisition submodule and a matching submodule;

[0087] The template acquisition submodule is used to call the camera device to perform all-round image acquisition of the material, obtain the key features of the material, and construct a matching module corresponding to the material;

[0088] The matching submodule is used to call the camera device, obtain the current image of the material, and compare the current image with the matching module, where the comparison includes shape recognition comparison, color detection comparison and appearance detection comparison. When the shape recognition comparison, color detection comparison and appearance detection comparison are all consistent with the matching module, the first weight of the material is obtained.

[0089] Preferably, it also includes an update module;

[0090] The update module is used for when the first weight of the first material picking order number is uploaded by the intelligent electronic scale, the first material picking order number can no longer be obtained after the material picking order information code is scanned. Preferably, the upload module is connected to the ERP system via MQTT communication;

[0091] The following rules must be followed when using MQTT communication:

[0092] Rule A: Data with a volume greater than the quantity threshold is divided into multiple message fragments according to the preset size for transmission, and reassembled in ERP. Message fragments are managed by message numbers or tags;

[0093] Rule B: Use TLS protocol to encrypt MQTT connections to ensure data security during transmission;

[0094] Rule C: Use the will function of MQTT to automatically send a "device offline" message to the server when the smart electronic scale accidentally drops offline, ensuring that the server is aware of the device status in a timely manner.

[0095] Establish a status synchronization mechanism to keep the status between the device and the server consistent through regular heartbeat or status report messages.

[0096] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0097] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A digital workshop material measurement method, characterized in that: The following methods are included: Step S1: Scan the material picking document information code to obtain at least one first material picking document number, wherein the first material picking document number contains multiple material numbers; Step S2: Request the ERP system to send the order template corresponding to the first material picking order number to the smart electronic scale; Step S3: Scan the barcode on the material to be picked up, parse the barcode to obtain the second material picking order number on the material, and determine whether there is a material number consistent with the second material picking order number in the order template. If not, replace it with another material; If it exists, place the material on the smart electronic scale for weighing, obtain the first weight of the material, upload the first weight information, and determine whether the first weight is consistent with the second weight of the material on the order template. If they are consistent, repeat step S3 until all material numbers in the order template are verified, generate a material collection record, and upload the material collection record to ERP for updating.

2. A digital workshop material measurement method according to claim 1, characterized in that: Before executing step S1, the recipient needs to pass identity verification before successfully scanning and obtaining the material collection document information code.

3. A digital workshop material measurement method according to claim 1, characterized in that: In step S3, the smart electronic scale is connected to the ERP system via MQTT communication; The following rules must be followed when using MQTT communication: Rule A: Data with a volume greater than the quantity threshold is divided into multiple message fragments according to the preset size for transmission, and reassembled in ERP. Message fragments are managed by message numbers or tags; Rule B: Use TLS protocol to encrypt MQTT connections to ensure data security during transmission; Rule C: Use the will function of MQTT to automatically send a "device offline" message to the server when the smart electronic scale accidentally drops offline, ensuring that the server is aware of the device status in a timely manner; Establish a status synchronization mechanism to keep the status between the device and the server consistent through regular heartbeat or status report messages.

4. A digital workshop material measurement method according to claim 1, characterized in that: Before executing step S3, the following specific steps are required: Step S31: calling the camera equipment to collect all-round images of the material, obtain the key features of the material, and construct a matching module corresponding to the material; The step of obtaining the first weight of the material in step S3 also includes: Step S32: calling the camera device to obtain the current image of the material, and comparing the current image with the matching module, wherein the comparison includes shape recognition comparison, color detection comparison and appearance detection comparison. When the shape recognition comparison, color detection comparison and appearance detection comparison are all consistent with the matching module, the first weight of the material is obtained.

5. A digital workshop material measurement method according to claim 4, characterized in that: It also includes step S4: after the first weight of the first material number of the first material picking list number is uploaded by the intelligent electronic scale, the first material picking list number can no longer be obtained after the material picking list information code is scanned.

6. A digital workshop material measurement system, using a digital workshop material measurement method according to any one of claims 1 to 5, characterized in that: It includes a first scanning module, a second scanning module and an uploading module; The first scanning module is used to scan the material picking document information code to obtain a first material picking document number, wherein the first material picking document number contains multiple material numbers; The second scanning module is used to request the ERP system to send the order template corresponding to the first material picking order number to the smart electronic scale; The upload module is used to scan the barcode on the material to be picked up, parse the barcode to obtain the second material picking order number on the material, and determine whether there is a material number consistent with the second material picking order number in the order template. If not, replace another material; If it exists, place the material on the smart electronic scale for weighing, obtain the first weight of the material, upload the first weight information, and determine whether the first weight is consistent with the second weight of the material on the order template. If they are consistent, generate a material collection record, and repeatedly call the upload module until all material numbers in the first material collection order number are verified, generate a material collection record, and upload the material collection record to ERP for updating.

7. A digital workshop material metering system according to claim 6, characterized in that: The system also includes a verification module, which is used for the first scanning module to successfully scan and obtain the material collection document information code only after the recipient's identity is verified.

8. A digital workshop material metering system according to claim 6, characterized in that: The upload module also includes a template acquisition submodule and a matching submodule; The template acquisition submodule is used to call the camera device to perform all-round image acquisition of the material, obtain the key features of the material, and construct a matching module corresponding to the material; The matching submodule is used to call the camera device, obtain the current image of the material, and compare the current image with the matching module, where the comparison includes shape recognition comparison, color detection comparison and appearance detection comparison. When the shape recognition comparison, color detection comparison and appearance detection comparison are all consistent with the matching module, the first weight of the material is obtained.

9. A digital workshop material metering system according to claim 6, characterized in that: Also includes update modules; The updating module is used for preventing the first material number and the first weight of the first material picking order number from being obtained after the material picking order information code is scanned after the first material number and the first weight of the first material picking order number are uploaded by the intelligent electronic scale.

10. A digital workshop material metering system according to claim 6, characterized in that: The upload module is connected to the ERP system via MQTT communication; The following rules must be followed when using MQTT communication: Rule A: Data with a volume greater than the quantity threshold is divided into multiple message fragments according to the preset size for transmission, and reassembled in ERP. Message fragments are managed by message numbers or tags; Rule B: Use TLS protocol to encrypt MQTT connections to ensure data security during transmission; Rule C: Use the will function of MQTT to automatically send a "device offline" message to the server when the smart electronic scale accidentally drops offline, ensuring that the server is aware of the device status in a timely manner; Establish a status synchronization mechanism to keep the status between the device and the server consistent through regular heartbeat or status report messages.

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