The connector is generally composed of a plug and a socket, where the plug is also called a free end connector, and the socket is also called a fixed connector. The connection and disconnection of the circuit is realized by plugs, sockets and plugging, so various plugs and sockets are connected. The following are key considerations for using analytics:
1. Termination
1. When the power connector is terminated, it should be terminated and inspected in strict accordance with the corresponding termination specifications or requirements, and terminated according to the corresponding contact number. The thickness of the insulation layer between the selected cables and wires should match the distance between the contacts, and the cable core should match the terminals of the contacts. , and cross-parallel processing is prohibited between contact crimping holes;
2. When soldering, an electric soldering iron with corresponding power should be selected according to the diameter of the bare wire, and the soldering time of each contact should generally not exceed 5s. Be careful not to let the flux penetrate into the insulator, so as not to cause a decrease in the insulation resistance of the product;
2. Check before insertion
1. The model, code name, serial number, plug position and direction of the power connector should meet the requirements of the design and process documents;
2. The tail cover is not loose, and the binding opening is not falling off; [h] 3) The wiring harness or wires at the tail door are not bent, and the outer skin is not damaged;
3. The grounding wire of the shielding skin is not broken, and the soldering piece connected to the shell is not loose;
4. The power connector shell and butt joint should have no deformation, cracks, thread wear, loose fasteners or defects, and the coating should not peel off; 5. The locking device should be intact;
3. Plug operation
1. Before plugging and unplugging, confirm the code of the plug and socket to be plugged, the "shape" of the interface, "positioning keyway", "positioning color code", "lock" interface and check the "tightening nail and card slot" and "positioning screw and screw Hole" corresponds to, and accurate positioning;
2. During the process of pushing or screwing in the power connector, the mating surfaces of the plug and socket should be aligned parallel to each other. After the cable or wire has been straightened, the locking sleeve is gently pushed in or slowly threaded along the axis into place and locked. If you find that the two mating surfaces are skewed, the positioning is inaccurate, the hand feels tighter than the normal force or there is an abnormal feeling such as blocking, stop the operation, pull it out along the axial direction, and check the status. After troubleshooting, reinsert the catch. It is allowed to use special auxiliary tools for plugging and unplugging;
3. When the tail cap of the plug or socket is tightened, the cables or wires coming out of the tail cap cannot be rotated;
4. Test
1. When testing cables or electronic equipment, the probes should meet the requirements. It is strictly forbidden to use test leads or copper wires for direct testing, so as to prevent the jack of the power connector from being enlarged or the inner wall damaged or the pins crooked;
2. Before the test cable and the power connector on the electronic equipment are plugged in and tested, the power connector (plug and socket) on the test cable should be checked first. Hole deformation, dust pollution, broken wires, and broken wires of the shielding skin cannot be plugged in;
3. The plugging and unplugging operation of the power connector during the test should generally be carried out after disconnecting the power supply and standing still for not less than 3 minutes, and live plugging and unplugging are prohibited.
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