Electronic device and manufacturing method thereof

Abstract

The invention discloses an electronic device and a manufacturing method thereof. The electronic device comprises a shell, a battery cell and a sealing plate assembly; the shell comprises a base plateand a surrounding wall; an accommodating cavity for accommodating the battery cell is formed between the surrounding wall and the substrate; an opening communicated with the accommodating cavity is formed in the end, away from the substrate, of the surrounding wall; the sealing plate assembly is used for sealing opening; the sealing plate assembly comprises a body; the body is welded with the shell and blocks the opening; the body is provided with a first side face close to the accommodating cavity and a second side face opposite to the first side face; the first side face is in insulated connection with an electrode guide plate; the electrode guide plate is connected with one tab of the battery cell; a first protruding part is arranged on the side, close to the first side face, of the electrode guide plate in a protruding mode; a liquid injection hole is formed in the first protruding part in a penetrating mode; a first through hole allowing the first protruding part to pass through is formed in the body; the second side face is in insulation connection with a conductive sealing cover; and a second protruding part is arranged on the sealing cover in a protruding mode and insertedinto the liquid injection hole to block the liquid injection hole. The electronic device is simple in structure and reliable in sealing.

Description

technical field [0001] The invention relates to the technical field of electronic equipment, in particular to an electronic device and a manufacturing method thereof. Background technique [0002] At present, batteries with a hard shell structure are usually sealed by extrusion. The battery includes a bottom case, a cap and a battery cell. Both the bottom case and the cap are of a shell structure with one end sealed and one end open. The first surrounding wall on one side, the cap includes a top plate and a second surrounding wall ring arranged on one side of the top plate. When the bottom shell and the cap are assembled, the second surrounding wall is sleeved outside the first surrounding wall, and between the two surrounding walls A sealing ring is provided. When assembling, put the battery cell in the bottom case, put a sealing ring on the first wall of the bottom case, and then assemble the cap with the bottom case after injecting liquid, and squeeze the second wall and...

AI Technical Summary

Problems solved by technology

The prior art has the following defects: 1. The length of the second surrounding wall of the cap needs to be controlled. If the size is too short, it will cause poor sealing during sealing, and if it is too long, it will increase the weight of the battery; 2. For larger size For the battery, the extrusion sealing method is unreliable and prone to liquid leakage; 3. The extrusion sealing method makes the internal space of the battery occupied by the deformed structure after extrusion, reducing the battery capacity

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