Feeding structure of power supply
A technology of power supply and power input, applied in circuits, electrical components, coupling devices, etc., can solve the problems of large power supply voltage drop and ground potential drift, large noise in the feeding system, and difficult heat dissipation of wires, and reduce the power supply voltage. The effect of reducing, reducing noise, and facilitating circuit inspection
Inactive Publication Date: 2009-08-19
GUIZHOU SPACE APPLIANCE CO LTD
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Problems solved by technology
Since there are many functional modules of electronic control components, they all need to be connected to the power supply, and the required power supply voltages are also different. The conventional power supply is fed by wires. This feeding method takes up a lot of space, and the wires are not easy to dissipate heat; The noise generated by the feeding system is large; the power supply voltage drop and the drift of the ground potential are large; the overall assembly of the circuit is complicated
Method used
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[0014] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0015] Such as figure 1 As shown, a power feeding structure of the present invention mainly includes a screw 1 , a washer 2 , an insulating plate 3 , and a bus plate 4 . The insulating plate 3 and the bus bar 4 are stacked at intervals, and the two are fixedly connected by screws 1 and washers 2 .
[0016] According to the current that the power supply needs to pass, the conductor is selected to design the busbar 4. In order to facilitate the assembly of the product, a power input and output hole connector is provided at both ends of a single busbar 4. There are more than two bus pieces 4, and the bus pieces 4 are made of brass plates, the middle is a solid copper plate, mainly for overcurrent, and the surrounding joints with holes are used for welding wires. The insulating board 3 is made of epoxy phenolic laminated glass cloth board, which plays the role of insula...
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The invention relates to a power feeding structure which is provided with a bus bar. The structure essentially comprises a bolt, a gasket, insulation boards and bus pieces. The insulation boards and the bus pieces are arranged at intervals in a superposition manner and fixedly connected with each other by the bolt and the gasket. The two ends of a single bus piece are respectively provided with a power input / output ported connector. The power feeding structure can effectively reduce the noise of a feeding system; a circular plastic wire on the bus bar has no insulation layer so as to save the space occupied by a feeding wire; the flat structure of the bus bar has better heat dissipation performance than the structure of a circular wire at a same section. As the bus pieces have larger section area, direct current resistance of the bus pieces is greatly reduced, the fall of voltage on the bus pieces is small, and the fall of voltage of the power and the earthing potential drift can be reduced; and the single bus piece has more than two input / output connectors, thus improving the technological efficiency of product assembly, being convenient to circuit check-up and further simplifying the assembly.
Description
technical field [0001] The invention relates to the technical field of electronic control components, in particular to a power feeding structure. Background technique [0002] With the rapid development of aerospace technology, more and more applications place high reliability requirements on the power feed of electronic control components. Since there are many functional modules of electronic control components, they all need to be connected to the power supply, and the required power supply voltages are also different. The conventional power supply is fed by wires. This feeding method takes up a lot of space, and the wires are not easy to dissipate heat; The noise generated by the feed system is large; the power supply voltage drop and the drift of the ground potential are large; the overall assembly of the circuit is complicated. Contents of the invention [0003] The object of the present invention is to overcome the deficiencies in the prior art and provide a power f...
Claims
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IPC IPC(8): H01R25/16
Inventor 谭伟
Owner GUIZHOU SPACE APPLIANCE CO LTD