The main power parts, hydraulic parts and electrical parts of Tower Crane are imported brands, which fully meet the safety standards of European and American industries and ensure safe, stable and efficient operation;It has multiple security protection functions, which makes the operation safer and more convenient; Large Wind Power Generation Tower,Large Wind Power Crane,Wind Power Lifting,Large-Scale Luffing Tower Crane Jinan Shanghangda Machinery Co., Ltd. , https://www.jinanshdmachine.com
With the intelligent one button extension / retraction, the whole vehicle can be disassembled and disassembled in a shorter time, and it can reach the working state quickly; the short-distance transfer is convenient and efficient
What is the working principle of the QR code access control system?
Two-dimensional code access control system is widely covered, and nowadays popular and advanced technology, two-dimensional code technology is one of them. Compared with face technology and iris, palm print and other technologies, the two-dimensional code technology is more cost-effective, not only It is safe, easy to operate and easy to use.
How does the QR code access control system work and put into use? The complete set of two-dimensional code access control system includes software and hardware. The software of Seberus QR code access control system includes Weixin small program, computer background software, hardware including two-dimensional code read head and access control board. Anyone who has contacted the QR code knows that the QR code is generated by software. The specific technology is that the development technician writes the program instructions. The detailed description is not given here. The workflow is shown in the following figure: