Pen ink detection pen
A pen ink and pen holder technology, applied in the field of school supplies, can solve problems such as trouble taking out, lack of ink in the pen refill, and inability to know the usage of the pen refill, pen and ink, etc.
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0015] refer to figure 1 : a pen and ink detection pen, comprising a pen holder 1, a pen core 2 and a pen cap 3, the pen core 2 is arranged on the pen holder 1, and is made of a color transparent material to facilitate the observation of the internal pen and ink situation, the pen cap 3 is buckled on the nib of the penholder 1, and the penholder 1 is provided with a pen and ink sensing device, and the pen and ink sensing device includes a power supply module 4, a processing module 5, a button switch 6, an LED light 7 and a micro track recognition sensor 8, The end of the penholder 1 is provided with a storage space 9, the power supply module 4 and the processing module 5 are arranged in the storage space 9, and the button switch 6 is arranged on the side of the storage space, and is used to control the power switch. The surface of the pen hold...
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