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1. System overview
At present, the degree of informatization in the automotive industry is also uneven. Some are highly informatized, some are just in their infancy, and some even still use a completely manual method of recording. However, all enterprises hope to establish a barcode system to help the management of the entire enterprise reach a certain level, the efficiency of the entire logistics link can be improved, and the error rate can be reduced.
Although most companies have established their own ERP systems, each company has its own information system. The situation of information islands is serious and the degree of informatization is seriously inconsistent. The informatization status of our domestic enterprises is particularly backward. However, each enterprise’s investment in information construction is long-term, and the urgency for the establishment of a barcode system is very strong.
The auto parts industry is an important part of the auto industry and the basis for ensuring the long-term stable development of the auto industry. After several years of development, the auto parts supporting market has reached 200 billion yuan, and the maintenance market has reached 60 billion yuan. Not only has a certain economic scale been formed, but the quality of automobiles has also been greatly improved. Driven by the localization of automobiles, auto parts has initially formed a relatively complete and mature parts matching system.
Second, the system architecture
In the construction of the local area network, all smart handheld terminals are connected to the local area network through wireless AP to connect to the back-end database. The front desk uses a handheld barcode scanner, barcode printer (used to print barcode labels), printer (used to print out and warehousing orders), AP, and connect to the back-end database.
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Three, system module
The wireless application of the auto parts distribution center mainly includes the following functional modules: user login and signal test (including network settings), traceable parts scanning, consolidation, code reading, kanban card and pull list association, repackaging plan download, inventory , Domestic large-part standard packaging is released, the original packaging quantity is modified, the repaired parts are put in, the standard large packaging is released, the original packaging is released, the repaired parts are released, the standard small packaging is released, the original packaging is online, and the standard packaging is released Supermarket rack, unplanned picking, original packaging quantity input, standard packaging quantity modification, standard packaging offline, original packaging remaining quantity confirmation, notification download, original packaging from LCL, password modification, parts information query, etc.
Four, module excerpts
1) User login and signal test (including network settings) module
Main function: user login, return user operation authority. This module can also be used for signal testing and network settings. (Signal test module and network setting module do not require user login)
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Figure 1: Login interface Figure 2: Network setting interface
2) Preview of the main interface of the system
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Figure 3: Main interface Figure 4: Main interface
3) Query module
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Figure 5: Information query Figure 6: Information of a certain part
Five, equipment introduction
1) Industrial barcode printer
Barcode printer is a professional label printing equipment that can provide efficient and high-quality barcode label printing.
Bar code generation is the key to good product circulation, which also shows the importance of bar code printers in the logistics chain.
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2) Barcode reader
A barcode reader is a device used to read the information contained in a barcode. The structure of a barcode reader usually consists of the following parts: light source, receiving device, photoelectric conversion component, decoding circuit, and computer interface. Their basic working principle is: the light emitted by the light source irradiates the bar code symbol through the optical system, and the reflected light is imaged on the photoelectric converter through the optical system to generate an electrical signal, and the signal is amplified by the circuit to generate an analog Voltage, which is proportional to the reflected light irradiated on the bar code symbol, and then filtered and shaped to form a square wave signal corresponding to the analog signal, which is interpreted by the decoder as a digital signal that can be directly accepted by the computer.
Barcode readers include handheld, platform, and wireless products to adapt to the needs of different environments to collect static data or data from products in motion.
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3) Portable data collector
According to different uses of data collectors, it can be roughly divided into two categories: online data collectors and portable data collectors. Online data collectors can be divided into desktop and online data collectors. Most of them are directly powered by AC power and are generally not used independently. Data is transmitted between the collector and the computer by a cable connection and cannot be used offline. There are generally two ways for this kind of scanner to transmit data to the computer: one is keyboard emulation; the other is to transmit data to the computer through a communication port. For the former, there is no need for a separate power supply, and its power is drawn from the inside of the computer; for the latter, a separate power supply is required. Therefore, the online data collector must be installed in a fixed position, and the barcode symbol must be read before the scanner. At present, some logistics companies have begun to use it in the management of inbound and outbound. Due to some restrictions on the scope and purpose of the online data collector, it cannot be used in occasions that need to be used offline, such as inventory counting, scanning of large items, etc. In order to make up for the shortcomings of online data collectors, portable data collectors came into being.
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Six, application effect
The auto parts distribution center uses bar code scanners and wireless data terminals to operate the various stages of the warehouse logistics, so that the original business operations are lean, informatized, and automated. And use wireless data terminal operations to make business real-time, improve consistency, and reduce logistics costs. Since the entire system is equipped with barcodes, and each link has barcodes for tracking, it is convenient to trace the spare parts in the future. Make the operation mode of the business link simple and easy to understand, improve the efficiency, high precision, informationization and automation, and improve the real-time and consistency of the actual operation business and system; the logistics link operation information is more complete, and the traceability is enhanced.
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