Data-driven hydrogel pressure distribution imaging system
A pressure distribution and imaging system technology, applied in the input/output process of data processing, fluid pressure measurement using piezoelectric devices, electrical digital data processing, etc., can solve the problem of limited resolution of pressure distribution and additional lines in the sensing area Complicated issues
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example 1
[0047] like figure 1 As shown, the embodiment provides a data-driven hydrogel pressure distribution imaging system, which structurally includes a hydrogel pressure sensing module M1, a measurement module M2, and a pressure distribution reconstruction module M3:
[0048] The conductive hydrogel in the hydrogel pressure sensing module M1 is composed of polyacrylamide hydrogel and lithium chloride. It is in the shape of a thin disc with a diameter of 200 mm and a thickness of 3 mm. There are 32 evenly distributed composite electrodes tightly packed. It is pasted on the boundary of the thin conductive hydrogel disk to form a stable electrical connection with the conductive hydrogel; among them, the composite electrode is a PCB board with an immersion gold surface, which is semicircular as a whole, including the excitation electrode area A and the measurement Electrode area B, specifically as figure 2 shown;
[0049] The current excitation module M21 in the measurement module M2...
example 2
[0066] This embodiment provides a data-driven hydrogel pressure distribution imaging system, which structurally includes a hydrogel pressure sensing module M1, a measurement module M2, and a pressure distribution reconstruction module M3. The hydrogel pressure distribution imaging system can be used Measurement of plantar pressure distribution;
[0067] The conductive hydrogel in the hydrogel pressure sensing module M1 is composed of polyacrylamide / polyacrylic acid double-network cross-linked hydrogel and ferric chloride, and is in the shape of a shoe-pad with a thickness of 5 mm, such as image 3 As shown, there are 16 composite electrodes clinging to the boundary of the thin conductive hydrogel to form a stable electrical connection with the conductive hydrogel; the composite electrode is a semicircular PCB board with an immersion gold surface, including the excitation electrode area A and measuring electrode area B, specifically as figure 2 shown;
[0068] The current ex...
example 3
[0085] like figure 1 As shown, the embodiment provides a data-driven hydrogel pressure distribution imaging system, which structurally includes a hydrogel pressure sensing module M1, a measurement module M2, and a pressure distribution reconstruction module M3. The hydrogel pressure distribution imaging system The system can be used as a pressure sensing mattress for human sleep monitoring or bedsore monitoring for hospitalized patients;
[0086] The conductive hydrogel in the hydrogel pressure sensing module M1 is composed of sodium alginate / glucomannan double network hydrogel and graphene, and the shape is a cuboid of 2000×1200×50 mm, such as Figure 5 As shown, there are 32 composite electrodes clinging to the boundary of the thin conductive hydrogel to form a stable electrical connection with the hydrogel; in addition, there is a flexible insulating layer on the surface of M1 to isolate the electrical connection between M1 and the human body.
[0087] The current excitati...
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Abstract
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