The present invention is a pet power generating device comprising: a roller, the roller is used for the pet to move on the roller for rotation； a power generating unit, the power generating unit generates power by using the rotation of the roller； a speed measuring unit, by detecting Measuring the rotational speed of the roller to generate a detection signal having a rotational speed value； a processing unit receiving the detection signal to generate a control command； and a lure display unit operating in accordance with the control command to expose an object. The pet power generation device of the present invention can provide an incentive for the continuous movement of the pet, thereby effectively increasing the power generation time and effect.本創作係一種寵物發電裝置，其包含：一滾輪，滾輪係用以供寵物於滾輪上移動以進行轉動；一發電單元，發電單元係利用滾輪之轉動而產生電力；一測速單元，藉由偵測滾輪之轉動速度以產生具有轉速值之偵測訊號；一處理單元，接收偵測訊號，以產生控制指令；以及一誘物顯示單元，依據控制指令而運作，藉以顯露一物體。本創作的寵物發電裝置可提供寵物持續運動的誘因，藉以有效增加發電時間與效果。
