Common And Fatal Failure Modes Of Terminal Blocks
1. Poor retractable contact
The metal conductor inside the Cable Lugs is the key part of the terminal, which will transmit the working voltage, current or data signal from the external cable or cable to the matching contact of the RF connector between the two. Therefore, the touch part must have a high-quality structure, stable and reliable touch grip and good conductivity. Due to the unscientific overall design of the touch part, incorrect use of raw materials, unstable mold shell, production and processing specification errors, the appearance layer is not only slippery, the heat treatment process and electroplating process of the appearance layer processing are not scientific, the assembly is not good, and the storage and use problems are not suitable. Incorrect operation will cause poor contact between the touch position and the position where the touch piece matches each other.
2. Poor retractable insulation layer
The function of the conductor and insulator is to connect the order of the touch parts properly, so that the touch piece and the touch piece are connected to each other with the outer insulation layer. Therefore, the insulation layer must have high-quality electrical equipment characteristics, physical properties and processing technology molding characteristics. Especially with the widespread application of high-density and miniaturized terminals, the reasonable wall thickness of conductors and insulators is getting thinner and thinner. This clearly puts forward more stringent regulations on the insulation material, plastic mold accuracy and molding process. Because there are unnecessary metal materials on the surface or inside of the conductor and insulator, the surface dust, flux and other environmental pollution return moisture, and the organic material absorbs sediment and harmful substances and combines with the surface shortening water to produce positive ion conductivity. Moisture, mildew, embrittlement of the insulation material, etc., will lead to short circuit failure, leakage, breakdown, poor grounding resistance and other insulation safety hazards.
3. Poor extensibility and fixation
Conductors and insulators not only play the role of insulation, but also play the role of extending the touch in daily life. The parts of the tumbler provide correct alignment and protection, and also have correct installation positioning function, as well as clamping and fixing function on the equipment. If the fixation is not good, the light will be harmful to the touch and the power will be turned off instantly. What is more serious is the disintegration of the product. Disintegration refers to the situation where the terminal is inserted, due to the unreliable material layout, design, processing technology, etc., the abnormal separation of the power plug and the power socket, the pin plug and the socket will lead to automatic control. The system electromagnetic energy transmission and data signal operation are terminated. Serious danger. Because the design is unreliable, the material selection is incorrect, the molding process is not properly selected, the quality of the heat treatment process, mold shell, installation, welding and other processing processes is poor, and the installation is not timely.
1. Terminal block
It is a spare part product that is convenient for power cord connection and is used to complete the protection grounding. It is to encapsulate the metal conductor in the insulating plastic part, and there are holes on both sides for inserting the power cord.
For example, if there are two power cords, sometimes they must be connected and sometimes they must be disconnected. At this time, you can use the terminal block to connect them to each other, and there is no need to weld or coil them together. You can disconnect them anytime and anywhere, saving time and effort.
2. RF connector
Also known as the connector RF connector, it is often touched by electronic technology professionals. A component of a poke. Also known as: power plug, power socket, generally refers to the household appliance RF connector, that is, a component that connects two active devices and transmits current or data signals.
3. Connector
The connector is a precise and exquisite positioning connector used to connect electronic circuits. It consists of two plugs, which can be completely separated. The similarity between a connector and a switch is that it relies on the change of the contact premise to complete the conversion purpose of the connected power circuit. The difference is that the connector is only inserted and removed. The power switch can complete the conversion of the power circuit by itself. There is a fixed correspondence between the contacts of the connector.
