Silica gel sensor and sensing device

Abstract

The application discloses a silica gel sensor, which comprises a silica gel shell, an elastic pipeline and a silica gel layer, the elastic pipeline is arranged in the silica gel shell, the cavity of the elastic pipeline is filled with fluid, one end of the elastic pipeline is provided with a sealing element, the other end of the elastic pipeline is provided with a sensing component, the other end of the elastic component is sealed by the sensing component, the silica gel layer is filled between the silica gel shell and the elastic pipeline, a pressure measuring pipe is arranged outside the elastic pipeline and closely attached to the elastic pipeline, a plurality of pressure measuring holes are formed on the pressure measuring pipe along an axis, the silica gel layer flows into the pressure measuring holes under pressure and extrudes the elastic pipeline, the pipe wall of the elastic pipeline is pressed to make the fluid in the elastic pipeline flow to the end part and extrude the sensing component. The silica gel sensor can sense the force received by each part of the silica gel shell, has high detection precision, the silica gel shell and the silica gel layer are elastic, can adapt to different human body parts, do not have permanent deformation in a long-term use process, and have wide application range.

Description

[0001] The present application is a divisional application of the case with the application date of "2020-05-15", the application number of "2020104127967", and the application name of "Silica gel sensor and sensing device". TECHNICAL FIELD

[0002] The present application relates to the technical field of medical equipment, in particular to a silica gel sensor and a sensing device. BACKGROUND

[0003] A sensor is a detection device that can sense the information of the measured quantity and convert the sensed information into an electrical signal or other required form of information output according to a certain rule, to meet the requirements of information transmission, processing, storage, display, recording and control. The pressure sensor is the most common sensor among sensors, which is a device or apparatus that can sense pressure signals and convert the pressure signals into useful electrical signals according to a certain rule. As sports rehabilitation is becoming more and more standardized, the use of pressure sensors for auxiliary detection and data acquisition in the process of sports and rehabilitation is also becoming more and more popular. However, the existing pressure sensors have poor applicability and low detection accuracy, resulting in inaccurate data acquisition, because they are suitable for few parts of the human body in the process of sports and rehabilitation. SUMMARY

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application provides a silica gel sensor with high detection accuracy and wide application range.

[0005] The silica gel sensor according to the first aspect of the present application comprises

[0006] A silica gel shell;

[0007] An elastic pipeline is arranged in the silica gel shell, the cavity of the elastic pipeline is filled with fluid, the elastic pipeline is provided with a sealing element and an induction component, the two ends of the elastic pipeline are sealed by the sealing element and the induction component, wherein the induction component comprises a sealing part and an inductor module, the sealing part comprises a first nozzle, an O-ring and a pressing sheet, the first nozzle is installed in the elastic pipeline, the O-ring is sleeved on the first nozzle, and the pressing sheet abuts against the first nozzle and the inductor module at both ends, respectively, the sealing element comprises a second nozzle and a valve core, the second nozzle is installed in the elastic pipeline, and the valve core is sleeved on the second nozzle and seals the second nozzle;

[0008] A silica gel layer is filled between the silica gel shell and the elastic pipeline;

[0009] The pressure measuring tube is arranged outside the elastic pipeline and closely contacts the elastic pipeline, a plurality of pressure measuring holes are formed on the pressure measuring tube along an axis, and the plurality of pressure measuring holes can sense forces applied to the silica gel shell.

[0010] The silica gel sensor according to the first aspect of the present application has at least the following beneficial effects: The silica gel shell is provided with an elastic pipeline, the silica gel shell and the elastic pipeline are provided with a silica gel layer, the elastic pipeline is provided with a pressure measuring tube closely contacting the elastic pipeline, a plurality of pressure measuring holes are formed on the pressure measuring tube along an axis, the silica gel layer is pressed into the pressure measuring holes when the silica gel shell is pressed, and the elastic pipeline is extruded; the elastic pipeline is filled with fluid, and the two ends of the elastic pipeline are respectively provided with a sensing component and a sealing member, wherein the sensing component seals one end of the elastic pipeline through a first pipe nozzle, an O-ring, a pressing sheet and a sensor module, and the sealing member seals the other end of the elastic pipeline through a second pipe nozzle and a valve core, thereby improving the sealing performance of the elastic pipeline, sealing the fluid in the elastic pipeline, when the wall of the elastic pipeline is pressed, the fluid in the elastic pipeline flows to the sensor module of the sensing component at the end, and converts the related force signal into an electric signal, thereby completing data acquisition of the motion, and benefiting from the good sealing performance of the elastic pipeline, the accuracy of the data acquisition is high; the pressure measuring holes are uniformly distributed on the pressure measuring tube, can sense the forces applied to the silica gel shell, and have high detection accuracy; the silica gel shell and the silica gel layer are elastic, can adapt to different human body parts, do not have permanent deformation during long-term use, and have wide application range.

[0011] According to some embodiments of the present application, the silica gel shell and the silica gel layer are integrally formed into an elastic silica gel tube.

[0012] According to some embodiments of the present application, the silica gel shell is further provided with end covers at both ends.

[0013] According to some embodiments of the present application, the elastic pipeline is made of silica gel.

[0014] According to some embodiments of the present application, the fluid is hydraulic oil.

[0015] According to some embodiments of the present application, the sensing component is further connected with an electric component, and the electric component includes a main circuit board, a USB connecting plate and a USB connecting port.

[0016] The sensing device according to the second aspect of the present application includes the silica gel sensor according to the first aspect of the present application.

[0017] According to the sensing device of the second aspect of the present application, at least the following advantages are achieved: by arranging the silica gel sensor in the sensing device, data can be collected when the rehabilitation exercise is performed, and then corresponding rehabilitation training is performed according to the detection result, thereby improving the rehabilitation effect.

[0018] Additional aspects and advantages of the present application will be made apparent from the following description of the embodiments of the present application, which is given only by way of example, with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the following description, taken in conjunction with the accompanying drawings, in which:

[0020] Figure 1 is a structural schematic diagram of a silica gel sensor according to an embodiment of the present application;

[0021] Figure 2 is a sectional view of the silica gel sensor shown in FIG. 1; Figure 1

[0022] Figure 3 is a structural schematic diagram of an elastic pipeline according to an embodiment of the present application.

[0023] REFERENCE NUMERALS:

[0024] silica gel shell 100, end cap 110;

[0025] elastic pipeline 200, second nozzle 211, valve core 212, first nozzle 221, O-ring 222, pressing sheet 223, inductor module 224;

[0026] silica gel layer 300, pressure measuring tube 310, pressure measuring hole 311;

[0027] main circuit board 410, USB connecting plate 420, USB connecting port 430. DETAILED DESCRIPTION

[0028] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0029] ​In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, inner, outer and the like, is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0030] In the description of the present application, one or more is understood as one or more, more than two is understood as more than two, greater than, less than, more than and the like are understood as not including the number, above, below, within and the like are understood as including the number. If the first, second is described, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the sequence of technical features indicated.

[0031] In the description of the present application, unless otherwise explicitly limited, the words such as setting, mounting, connecting, assembling, fitting and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0032] The silicon gel sensor of the embodiment of the present application will be described below with reference to Figure 1 , Figure 2 and Figure 3 .

[0033] The silicon gel sensor of the embodiment of the present application, as shown in Figure 1 , comprises a silicon gel shell 100, an elastic pipeline 200 and a silicon gel layer 300, the elastic pipeline 200 is arranged in the silicon gel shell 100, the cavity of the elastic pipeline 200 is filled with fluid, one end of the elastic pipeline 200 is provided with a sealing member, the other end is provided with a sensing component, the sealing member and the sensing component seal the two ends of the elastic pipeline 200; the silicon gel layer 300 is filled between the silicon gel shell 100 and the elastic pipeline 200; the elastic pipeline 200 is provided with a pressure measuring pipe 310 closely attached to the elastic pipeline 200, a plurality of pressure measuring holes 311 are formed on the pressure measuring pipe 310 along the axis, the silicon gel layer 300 flows into the pressure measuring holes 311 under pressure and extrudes the elastic pipeline 200, the tube wall of the elastic pipeline 200 is pressed to make the fluid in the pipeline flow to the end portion and extrude the sensing component.

[0034] The elastic pipeline 200 is arranged in the silica gel shell 100, the silica gel layer 300 is arranged between the silica gel shell 100 and the elastic pipeline 200, the pressure measuring pipe 310 close to the elastic pipeline 200 is arranged outside the elastic pipeline 200, a plurality of pressure measuring holes 311 are formed on the pressure measuring pipe 310 along the axis, the silica gel shell 100 is deformed by pressing the silica gel shell 100 during training, the silica gel shell 100 is deformed under pressure, the silica gel layer 300 is pressed into the pressure measuring hole 311, and the elastic pipeline 200 is extruded; the elastic pipeline 200 is filled with fluid, and the elastic pipeline 200 is also provided with a sensing component at one end, when the elastic pipeline 200 is pressed, the fluid in the elastic pipeline 200 flows to the sensing component at the end, the sensing component converts the related force signal into an electric signal, and the force data of each part of the human body during movement is collected; the pressure measuring pipe 310 is provided with a plurality of pressure measuring holes 311 along the axis, the force received by the silica gel shell 100 at each position can be sensed, and the detection precision is high; the silica gel shell 100 and the silica gel layer 300 are elastic, can adapt to different parts of the human body, do not have permanent deformation during long-term use, and have wide application range.

[0035] In some embodiments, the silica gel shell 100 and the silica gel layer 300 are integrally formed into an elastic silica gel pipe. It can be understood that the silica gel shell 100 and the silica gel layer 300 are integrally formed into an elastic silica gel pipe, the external force applied to the surface of the elastic silica gel pipe can directly act on the silica gel layer 300, the silica gel layer 300 is more sensitive to force sensing, and the detection precision is higher. Specifically, the external force is applied to the surface of the elastic silica gel pipe during movement, the elastic silica gel pipe is deformed under pressure, the silica gel flows into the pressure measuring hole 311 and extrudes the pipe wall of the elastic pipeline 200, the pipe wall of the elastic pipeline 200 is pressed to make the fluid in the pipeline flow to the sensing component at the end, the sensing component converts the related force signal into an electric signal, the data during movement is collected, the detection precision is high, and the detection range is wide. The silica gel shell 100 and the silica gel layer 300 do not have permanent deformation during long-term use, and the service life of the silica gel sensor is prolonged.

[0036] In some embodiments, the sensing component includes a sealing part and a sensor module 224, the sealing part includes a first nozzle 221, an O-ring 222 and a pressing sheet 223, the first nozzle 221 is installed in the elastic pipe 200, the O-ring 222 is sleeved on the first nozzle 221, and the pressing sheet 223 abuts against the first nozzle 221 and the sensor module 224 at both ends. The sensing component is arranged at one end of the elastic pipe 200, receives the force signal from the fluid in the elastic pipe 200 and converts it into an electric signal, and seals one end of the elastic pipe 200. The sensing component includes a sealing part and a sensor module 224, the sealing part includes a first nozzle 221, an O-ring 222 and a pressing sheet 223, the first nozzle 221 is installed in the elastic pipe 200, the O-ring 222 seals the gap between the first nozzle 221 and the elastic pipe 200, and the sealing performance of the elastic pipe 200 is improved. One end of the pressing sheet 223 abuts against the first nozzle 221, the first nozzle 221 communicates with the elastic pipe 200, the pressing sheet 223 seals the first nozzle 221 and can receive the pressure from the fluid. The other end of the pressing sheet 223 abuts against the sensor module 224, and the pressure from the fluid is transmitted to the sensor module 224, the sensor module 224 converts the related force signal into an electric signal, and data acquisition is completed.

[0037] In some embodiments, the sealing part includes a second nozzle 211 and a valve core 212, the second nozzle 211 is installed in the elastic pipe 200, and the valve core 212 is sleeved on the second nozzle 211 to seal the second nozzle 211. The second nozzle 211 is installed at one end of the elastic pipe 200, and the valve core 212 is sleeved on the second nozzle 211 to seal and protect the second nozzle 211. The second nozzle 211 and the valve core 212 seal the elastic pipe 200, so that the fluid is sealed in the elastic pipe 200, and when the pipe wall of the elastic pipe 200 is pressed, the fluid is squeezed to the sensing component at the end, and data acquisition is completed.

[0038] In some embodiments, the silica gel shell 100 is further provided with an end cover 110 at both ends. The end cover 110 is arranged at both ends of the silica gel shell 100 to protect the elastic pipe 200 in the silica gel shell 100 and the sealing part and the sensing component at both ends of the elastic pipe 200. In some embodiments, the end cover 110 is made of aluminum alloy, and the end cover 110 made of aluminum alloy is light in quality, corrosion-resistant and good in forming effect.

[0039] In some embodiments, the elastic pipe 200 is made of silica gel. The elastic pipe 200 is made of silica gel, and the silica gel material does not have permanent deformation in a long-term use process, thereby prolonging the service life of the elastic pipe 200.

[0040] In some embodiments, the fluid is hydraulic oil. The fluid is set as hydraulic oil, and the elastic pipe 200 is filled with hydraulic oil. When the pipe wall of the elastic pipe 200 is deformed under pressure, the hydraulic oil flows to the end of the elastic pipe 200 and presses the sensing component to collect the force data during the movement. Using hydraulic oil as the fluid has appropriate viscosity and good viscosity-temperature performance, and can accurately and sensitively transmit power. It should be noted that the fluid can also be water or other liquids or gases, which are not limited herein.

[0041] In some embodiments, the sensing component is further connected with an electrical assembly, which includes a main circuit board 410, a USB connecting plate 420 and a USB connecting port 430. The main circuit board 410 can store the electrical signal transmitted by the sensing component and transmit it to the USB connecting port 430 through the USB connecting plate 420. The USB connecting port 430 is used to connect with external components, and can transmit the electrical signal to the external components to convert it into other signals. It can be understood that the external components connected through the USB connecting port 430 can be a display, a sound box, etc., which can convert the collected electrical signal into an image signal or a sound signal for expression.

[0042] The sensing device (not shown in the figure) of the second aspect embodiment of the present application is further described below, which includes the silica gel sensor of the first aspect embodiment described above. By setting the silica gel sensor in the sensing device, data collection can be performed during rehabilitation exercise, and then corresponding rehabilitation training can be performed according to the detection results to improve the rehabilitation effect.

[0043] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present application.

Claims

1. A sensor of silica gel, characterized in that, The application relates to a silicone sensor, which comprises the following parts: a silicone shell; an elastic pipe arranged in the silicone shell, a cavity of the elastic pipe being filled with fluid, one end of the elastic pipe being provided with a sealing piece, and the other end being provided with a sensing part, the sealing piece and the sensing part sealing the two ends of the elastic pipe, wherein the sensing part comprises a sealing part and a sensor module, the sealing part comprises a first pipe nozzle, an O-shaped ring and a pressing sheet, the first pipe nozzle is arranged in the elastic pipe, the O-shaped ring is sleeved on the first pipe nozzle, and the pressing sheet abuts against the first pipe nozzle and the sensor module at two ends respectively, the sealing piece comprises a second pipe nozzle and a valve core, the second pipe nozzle is arranged in the elastic pipe, and the valve core is sleeved on and seals the second pipe nozzle; a silicone layer filled between the silicone shell and the elastic pipe; wherein a pressure measuring pipe is arranged outside the elastic pipe and closely contacts the elastic pipe, a plurality of pressure measuring holes are formed on the pressure measuring pipe along an axis, and the plurality of pressure measuring holes can sense forces received by the silicone shell at different positions; the silicone layer is pressed to be extruded into the pressure measuring holes and extrude the elastic pipe, the pipe wall of the elastic pipe is pressed to make the fluid in the elastic pipe flow to the end part and extrude the sensing part.

2. The sensor of claim 1, wherein, The silicone shell and the silicone layer are integrally formed to form an elastic silicone pipe.

3. The sensor of claim 1, wherein, End covers are further arranged at two ends of the silicone shell.

4. The sensor of claim 1, wherein, The elastic pipe is made of silicone.

5. The silicone sensor of claim 1, wherein, The fluid is hydraulic oil.

6. The silicone sensor of claim 1, wherein, The sensing part is further connected with an electrical component, and the electrical component comprises a main circuit board, a USB connecting plate and a USB connecting port.

7. Sensing device, characterized in that The application further relates to a silicone sensor as claimed in any one of claims 1 to 6.

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