Research And Realization On Control System Of Hydro-free Hydraulic Pressure Massage Cabin

The hydraulic pressure massage cabin is the mechanical and electrical integration installation, which the application electron technique unites against the medical service technique. The hydraulic pressure massage cabin posses actions of removing tiredness, accelerating blood cycle, getting rid of ache and relieving the pressure. At the present time, these domestic installations are the imports from the external. Meanwhile, the price is expensive, from different of 10 thousand dollars to 20 thousand dollars. Such price allows a lot of domestic consumers flinching. Moreover some functions of these installations aren't fit for domestic consumers at all. Although several domestic companies give birth to analogous installations, yet the produce performance that these companies give birth to analogous installations, yet produce performance of them isn't steady, and the control system has constant problems.Aiming at the above-mentioned problem this task is to design one kind of control system, which has steady operational performance, dependable practicability and low cost. This text devises one kind of control system, that is, pragmatic hydraulic pressure massage cabin .The control system consists of two great module electric circuits, namely, control circuit and operation electric circuit The system is one that has two microcomputers. The control board electric circuit consists of oneboard computer AT89C52, examination electric circuit, control circuit, RS-485's news dispatch rim and four transducers and so on. Operational board electric circuit is composed of computer AT89C52, keyboard, liquid-crystal display module display module and RS-485's news dispatch rim and so on. Through its I/O's rim and timer, the oneboard computer realizes the supervision of the external event and the formation of the control signal.In the text the liquid crystal graphic display technique is adopted for the firs time to guarantee the dependable operation of system by means of the liquid-crystal display interface keeping watch on the work condition of the system .The work of installation is completed by news dispatch, moreover the news dispatch needs surely time .It causes that the system demand work accuracy.Therefore the original design control system technique key is the control algorithm design. Whereas the oneboard system can be easily interfered by the drive circuit electromagnetism .So in order to guarantee the dependable operation of the oneboard computer system, another key of the technique is the anti-jamming capability of the system to be lifted. The test demonstrates: The entire control system has higher performance price contrast, its performance is steadied dependably, and it is easy to be manipulated, so it has very powerful pragmatic quality...