Power supply unit used for instrument for measurement while drilling
A power supply device and measurement-while-drilling technology, used in mine development technology tools and oilfield fields, can solve the problems of cumbersome on-site assembly of connection methods, damage to circuit connection pins and cables, and large vibration and impact of battery packs, saving working time, Improve work stability and avoid cumbersome disassembly and assembly
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[0031] The present invention will be further described below in conjunction with accompanying drawing.
[0032] figure 1 A structural diagram of a power supply device 100 for a measurement-while-drilling instrument according to the present invention is schematically shown. Such as figure 1 As shown, the power supply device 100 includes an outer cylinder 1 that can be fixedly connected with a drill pipe, a battery cylinder 2 sleeved in the outer cylinder 1 , and a battery pack 3 disposed in the inner cavity of the battery cylinder 2 . Wherein, an annular space 4 is formed between the battery cylinder 2 and the outer cylinder 1 . Lead terminal 5 is fixedly arranged on battery pack 3, and one end conductive contact 51 of lead terminal 5 ( image 3 (shown in ) is electrically connected to the electrical connector 6 , and the other end of the lead terminal 5 is connected to the positive pole or the negative pole of the battery pack 3 with the conductive contact 51 . The battery...
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