2023/07/04
What is the purpose of the fuse?
The function of the fuse is: when the circuit is faulty or abnormal, the current continues to rise. The rising current may damage some important or valuable components in the circuit, burn the circuit, or even cause a fire. If the fuse is installed correctly in the circuit, when the abnormal current rises to a certain height and time, the fuse will explode and cut off the current, thus protecting the safe operation of the circuit.
2023/07/04
What are the categories of fuses
There is a kind of fuse called disposable, and there is a self-recovery fuse, and some fuses are installed inside the patch or insert. Different fuses are used in different working environments, some high pressure environments, some low pressure environments, playing an increasingly important role.
2023/07/04
What is the purpose of the fuse
In the circuit system, the fuse is essential, it is also called the fuse, but many people for the specific role of the fuse is not to understand.
2023/07/04
In the case of abnormal (overload), the fuse acts as a safety protection element in the circuit, and cuts and protects the circuit safely by fusing itself.
2023/07/04
What are the categories of insurance
According to the protection form, it can be divided into: overcurrent protection and overheat protection. The fuse used for overcurrent protection is commonly referred to as a fuse (also called a current-limiting fuse). Fuses used for overheat protection are generally referred to as "temperature fuses". Temperature fuse is divided into low melting point alloy shape and temperature trigger shape and memory alloy shape and so on (temperature fuse is to prevent heating appliances or easy heating appliances temperature is too high and to protect, such as: hair dryer, iron, rice cooker, electric stove, transformer, motor and so on; It responds to the increase in temperature of electrical appliances and does not care about the working current of the circuit. It works differently from the "current limiting fuse").
2023/07/04
The basic composition of a fuse
General fuse is composed of three parts: one is the melt part, it is the core of the fuse, fuse when the role of cutting the current, the same type, the same specification of fuse melt, the material should be the same, the geometric size should be the same, the resistance value as small as possible and consistent, the most important thing is that the fuse characteristics should be consistent, household fuse commonly used lead antimony alloy made of;
2023/07/04
We should know from this principle that when you design and manufacture fuses, you must carefully study the physical properties of the materials you choose and ensure that they have a consistent geometric size.
2023/07/04
1. Filamentary. Early original type of fuse, directly locked with screws, used in various sizes of old switches, sockets.
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