A lithium-ion battery internal pressure testing device
A lithium-ion battery and testing device technology, applied in measuring devices, measuring fluid pressure, measuring fluid pressure through mechanical components, etc., can solve the problem of low accuracy, achieve small additional space, convenient and fast testing, and increase accuracy Effect
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[0014] The present invention will be further described below in conjunction with accompanying drawing:
[0015] Such as figure 1 , 2 As shown, the lithium-ion battery internal pressure test device of this embodiment includes a test device body with a cylindrical inner cavity. The test device body is composed of an upper casing 1 and a lower casing 2 that are detachably connected. The inner side of the housing 2 is respectively provided with an upper pole groove 11 and a lower pole groove 21 matching the battery pole 9 along its center line, and the shape of the inner cavity formed by the upper housing 1 and the lower housing 2 is consistent with that of the battery. The outline shape of the upper casing 1 is provided with a positioning pinhole 31 matching the battery liquid injection hole 3, and a pressure gauge 32 installed in the positioning pinhole 31, the upper side of the upper casing 1, the lower casing The lower side of the 2 is respectively provided with an upper pro...
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