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发明公开
CN104833412A 便携式变压器噪声振动测试装置 无效 - 驳回 转让

便携式变压器噪声振动测试装置
摘要：
本发明公开了一种便携式变压器噪声振动测试装置，包括噪声传感器、振动传感器、信号采集卡、工业用平板电脑，所述噪声传感器和振动传感器将采集的信号通过信号采集卡传送给工业用平板电脑；所述工业用平板电脑套有防护外壳，所述防护外壳与背带连接；所述振动传感器置于变压器的油箱箱壁上，所述噪声传感器置于麦克风支架上；所述麦克风支架的最高处置于变压器的油箱高度的1/4-2/3处；所述噪声传感器距离变压器基准发射面0.2-2.5m。本发明便于携带的，能准确测量变压器噪声、振动数据。
摘要（英）：

The invention discloses a noise vibration testing device for a portable transformer, and the device comprises a noise sensor, a vibration sensor, a signal collection card, and an industrial tablet PC. The noise sensor and the vibration sensor enable the collected signals to be transmitted to the industrial tablet PC through the signal collection card. The industrial tablet PC is sleeved by a protection housing, and the protection housing is connected with a brace. The vibration sensor is disposed on a wall of an oil tank of the transformer, and the noise sensor is disposed on a microphone support. The highest part of the microphone support is located at a position on the oil tank of the transformer, wherein the position is at 1/4-2/3 of the height of the oil tank. The distance from the noise sensor to the reference transmitting plane of the transformer is from 0.2 m to 2.5 m. The device is portable, and can accurately measure the noise and vibration data of the transformer.

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