Mercury Slip Rings, Do You Know it?
Mercury slip rings are also called rotary connectors, rotary joints, mercury contacts, conductive joints, conductive rings, collector rings, collector rings, etc. Different from the traditional carbon brush slip ring, liquid mercury is used as the conductive medium, the fixed end and the rotating end are integrated together, and carbon brushes are no longer required. Mercury slip rings are developed and produced by using special sealing materials, insulation, and conductive technology. High frequency, computer signals, and electrical connections.
Compared with other slip rings, because the medium is fluid, it has the characteristics of compact structure and small size. The main role in the field of special tiny precision instruments is mercury slip rings. It is precisely because of the characteristics of mercury that there is no wear and tears when the slip ring rotates, and its life is many times longer than ordinary ones. It is very suitable for conductive rotary joints that need to be rotated frequently. Because the rotating part has no complex physical and mechanical structure, the product is more reliable and maintenance-free, with no noise, no noise, high speed, low price, no signal distortion, small contact resistance, and greater current transmission. It is with the above characteristics that the advantages of mercury slip rings make their products very attractive and competitive. Although expensive, it has a place in many fields.
Of course, it also has one of the biggest problems is that mercury itself is harmful to the human body, whether it is in production or in the process of installation and use, there are potential risks, especially in recent years, with the emphasis on environmental protection and health in various countries, mercury slip rings is further be restricted. Therefore, various manufacturers have to face the reality when rotating this product, either changing the design or restricting the use of the site.
Its advantages cannot be ignored. It is estimated that it is very difficult to find a new type of liquid metal that can replace mercury and meet the requirements of environmental protection and health. Therefore, the embarrassment of such products is estimated to continue.