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Welding airtightness detecting device and detecting method of battery box

A technology of air tightness detection and battery box, which is applied in the direction of using liquid/vacuum degree for liquid tightness measurement, and by measuring the acceleration and deceleration rate of fluid, etc. Accurate and rapid detection of tightness and double air tightness

Inactive Publication Date: 2018-07-06
福建渃博特自动化设备有限公司
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Problems solved by technology

However, there has not been a good method for the detection method of the airtight requirements of the shell.

Method used

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  • Welding airtightness detecting device and detecting method of battery box
  • Welding airtightness detecting device and detecting method of battery box

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Embodiment Construction

[0022] Such as figure 1 Or as shown in one of 2, the invention discloses a battery box welding air tightness detection device, which includes a detection platform 2 arranged on a frame 1, a plurality of detection stations are arranged on the detection platform 2, and the surface of the detection platform 2 An elastic backing plate 3 is provided, and the battery box 4 is placed on the elastic backing plate 3 corresponding to the detection station. A stamping cylinder 5 is arranged above each testing station, and the battery box 4 is airtightly buckled when the stamping cylinder 5 is pressed down. Closed on the elastic backing plate 3, the elastic backing plate 3 of each detection station is provided with a pressurized air pipe 6 and a pressure sensor 7 leading into the inner cavity of the battery box 4, and the pressurized air pipe 6 is used to pass through the battery box 4. The pressure sensor 7 is used to detect the air pressure in the inner cavity of the battery box 4, and ...

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Abstract

The invention discloses a welding airtightness detecting device of a battery box. The detecting device comprises a detection bench arranged on a rack; a plurality of detection stations are arranged onthe detection bench; and an elastic base plate is arranged on the surface of the detection bench. A battery box is arranged on the elastic base plate of the corresponding the detection station. A punching cylinder is arranged above each detection station; when the punching cylinder is pressed down, the battery box is buckled on the elastic base plate in an airtightness manner; a pressurization air pipe connected to the inner cavity of the battery box and a pressure sensor are arranged on the elastic base plate of each detection station; the pressurization air pipe is used for leading compressed gas in the battery box; and the pressure sensor is used for detecting the air pressure of the inner cavity of the battery box and a display terminal is connected to the output terminal of the pressure sensor. According to the invention, a test problem of airtightness of the battery box is solved. The welding airtightness detecting device having advantages of simple operation, quick detection and accurate determination is suitable for batched detection.

Description

technical field [0001] The invention relates to equipment for storing sheet metal in metal machining, in particular to a battery box welding air tightness detection device and a detection method thereof. Background technique [0002] At present, the use of lithium-ion batteries is becoming more and more widespread. It is well known that lithium-ion batteries in the field of electric vehicles are gradually replacing the leading position of lead-acid nickel-chromium batteries due to their advantages of small size, light weight, environmental protection and reusability. [0003] Traditional battery boxes do not meet airtight requirements, but some electric vehicles on the market, especially scooters, have airtight requirements for battery box shells, especially where the charging and discharging ports need to meet airtight requirements. At present, in more and more designs of battery case shells, the consideration of airtightness in the overall structure is added, and the optim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/32
Inventor 佘明辉陈琳翁伟徐宁吴直福刘纪潭
Owner 福建渃博特自动化设备有限公司
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