Choice of medical Power supply: medical electronics, different from other consumer electronics that are positioned in the mass market and care about costs and other electronics and power electronics in the application field of low-cost products, have much more rules to abide.
If the designer is responsible for the system power design, the first question to consider for the system power supply part is: purchase or manufacture related solutions.
Since the production of medical electronics is generally relatively low, designers must consider the purchase or self-made problem.
Medical electronics designers rarely consider designing their own offline power supplies.
Because the investment required for this kind of special design and test does not match the final output scale, the equipment manufacturer will find that the output of the product is difficult or impossible to share the investment paid at the design stage.
Therefore, it is more cost-effective to directly purchase power supplies from companies that already have corresponding professional design capabilities and testing technologies.
Medical power supply price: in the commercial application design, if the quality is guaranteed, it is easy for people to directly select the power supply product with low price * after the goods are compared with three.
At this time, products with low prices but 'passable' are often winners, while products with good prices are not popular.
This is not bad for disposable electronic products that are quickly abandoned or do not need maintenance, but what risks will there be if designers choose such a power supply to use in the medical system?
Medical Electronics are of high value and need to complete some key tasks.
If the medical system breaks down, the consequence is not just missing a match or taking the wrong bus.
The normal operation of medical equipment is a matter of life and death, especially the power supply of medical equipment, which must conform to safety, leakage, EMI-Relevant regulations on RFI radiation and protection.
These standards and related safety specifications constitute a set of strict normative requirements.
The power supply used in such application systems with strict requirements must conform to strict regulations in insulation measures to prevent patients and medical personnel from getting electric shock.
EMC is also a key issue, including how to reduce electromagnetic radiation and how to protect electromagnetic radiation.
Therefore, for the design of medical power supply, the quality and reliability of the product must be preferred.
Usually designers are confused about commercial power supply and medical power supply, and manufacturers who manufacture various low-cost power supplies for the mass market may sell these commercial power supplies as medical power supplies without changes.
In this regard, buyers must be careful, because the selection of such power products for cheap will lead to terrible consequences.
Therefore, designers need to understand the relevant regulations and regulations.
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