Electronic skin sensor
By designing an electronic skin sensor containing a glucose oxidase sensing module, an ion sensor and a pulse sensor, the problem of difficulty in detecting mental and psychological stress in existing equipment is solved, and a more accurate assessment of mental and psychological stress status is achieved and a timely health warning is achieved.
Patent Information
- Application Number
- CN202421443361.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-06-21
AI Technical Summary
Existing wearable devices are difficult to effectively detect and evaluate mental and psychological stress, especially because mental stress is complex and accompanied by a variety of biological reactions, and it is difficult to detect by existing devices.
An electronic skin sensor was designed, including a glucose oxidase sensing module, an ion sensor and a pulse sensor. Through contact with the human skin, data of skin nerve activities and secreted substances in sweat are collected in real time, and connected to the PCB board control chip through the FPC transmission line for real-time analysis and data transmission.
A more objective and reliable assessment of mental and psychological stress states is achieved, and health warnings can be provided in a timely manner to help users make timely adjustments and feedback.
Smart Images
Figure CN222968564U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic skin, and more specifically, to an electronic skin sensor. Background Art
[0002] In today's society, mental health has gradually become the focus of people's attention. Especially after three years of the epidemic, the number of people suffering from mental disorders such as anxiety and depression has increased significantly. Therefore, there is an urgent need for an effective assessment method for mental health awareness. At present, most methods for mental stress assessment are limited to questionnaires, with significant deficiencies in accuracy and timeliness. Therefore, there is an urgent need for a more objective and reliable method to assess mental and psychological stress in order to make timely adjustments and feedback. Since mental stress is manifested in a complex manner, accompanied by various biological reactions, involving the nervous system, endocrine system, immune system, etc., it is difficult to be detected by existing wearable devices. Therefore, current wearable devices usually cannot provide a wide range of assessment perspectives and are difficult to truly play a role. Summary of the Utility Model
[0003] The utility model provides an electronic skin sensor to solve the problems raised in the above background art. To achieve the above purpose, the utility model provides the following technical solutions: An electronic skin sensor includes a sensor device, an FPC transmission line, a PCB board control chip, a wireless transmission module, and a battery; the sensor device includes a substrate layer and a glucose oxidase sensing module, an ion sensor, a pulse sensor, and an FPC interface provided on the substrate layer; the glucose oxidase sensing module, the ion sensor, and the pulse sensor are respectively connected to the FPC interface; one end of the FPC transmission line is connected to the FPC interface, and the other end is connected to the PCB board control chip, and the wireless transmission module and the battery are respectively connected to the PCB board control chip.
[0004] Preferably, the substrate layer has a T-shaped structure, and the T-shaped structure includes a horizontal side and a vertical side, wherein the pulse sensor is provided at the center position of the horizontal side; the glucose oxidase sensing module includes two glucose oxidase sensing units, which are respectively provided at both ends of the horizontal side; the ion sensor includes two ion sensing units, which are respectively provided on both sides of the pulse sensor.
[0005] Preferably, the glucose oxidase sensing unit includes a glucose oxidase sensing anode and a glucose oxidase sensing cathode, and the glucose oxidase sensing anode and the glucose oxidase sensing cathode are respectively connected to the FPC interface; the ion sensing unit includes an ion sensing anode and an ion sensing cathode, and the ion sensing anode and the ion sensing cathode are respectively connected to the FPC interface; the pulse sensor is a double-layer stacked structure, which includes an anode circuit layer and a cathode circuit layer, the anode circuit layer and the cathode circuit layer are stacked on each other, and the anode circuit layer and the cathode circuit layer are respectively connected to the FPC interface through leads.
[0006] Preferably, the glucose oxidase sensing unit, the ion sensing unit and the pulse sensor are all made of conductive materials, and respectively form a glucose oxidase sensing pattern circuit, an ion sensing pattern circuit and a pulse sensing pattern circuit according to the detection category; the surface of the glucose oxidase sensing pattern circuit is modified with a polymer material adapted to glucose oxidase; the surface of the ion sensing pattern circuit is modified with a polymer material adapted to the type of ions to be detected; the surface of the pulse sensing pattern circuit is a polymer material adapted to the skin current reaction.
[0007] Preferably, the conductive material is copper, silver nanowire, copper nanowire, carbon nanotube or graphene.
[0008] Preferably, the substrate layer is a high-transmittance ultra-thin flexible PI substrate.
[0009] Preferably, the glucose oxidase sensing module, the ion sensor and the pulse sensor are formed on the surface of the substrate layer by an additive method or an etching method.
[0010] Preferably, the additive method is inkjet printing, 3D printing or nanoimprinting, and the etching method is wet yellow light etching or laser etching.
[0011] Preferably, the battery is a thin film battery.
[0012] Preferably, it further includes a host computer device and a feedback device; the host computer device is connected to the wireless transmission module, and includes a data analysis module, an AI module and a feedback module; the feedback device is an intelligent terminal device or a smart phone with input and output functions, and is wirelessly connected to the host computer device; the sensor device collects human physiological level data and transmits the collected data to the PCB board control chip, and the PCB board control chip transmits the human physiological level data to the data analysis module through the wireless transmission module; the data analysis module analyzes the human physiological level data and establishes a parameter model; the AI module predicts the physical health level according to the collected human physiological level data and the parameter model; the feedback module sends the prediction result of the physical health level to the feedback device; the user inputs feedback questions through the feedback device, and the feedback device transmits the feedback data to the host computer device, and the host computer device readjusts the algorithm according to the feedback data.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention provides a flexible wearable device, which is composed of various skin-friendly sensors and materials, including a glucose oxidase sensing module, an ion sensor and a pulse sensor. After the substance to be detected binds to the detection target by contacting the human skin, the corresponding capacitance changes, and various substances secreted in skin nerve activities and sweat can be detected. The sensor device is connected to the PCB board control chip through an FPC transmission line, can analyze and count the relevant physical changes of the user in real time, and can effectively analyze different mental states and stress values of the human body through data changes and big data analysis, providing timely early warning for human health. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic structural diagram of the electronic skin sensor according to an embodiment of the present invention;
[0015] Figure 2 is a schematic structural diagram of the sensor device of the electronic skin sensor according to an embodiment of the present invention;
[0016] In Figure 1 and Figure 2 the corresponding relationship between the names of each component and the reference numerals in the drawings is as follows:
[0017] 1--Sensor device, 11--Substrate layer, 111--Horizontal side, 112--Vertical side, 12--Pulse sensor, 13--FPC interface, 14--Glucose oxidase sensing unit, 141--Glucose oxidase sensing anode, 142--Glucose oxidase sensing cathode, 15--Ion sensing unit, 151--Ion sensing anode, 152--Ion sensing cathode, 2--FPC transmission line, 3--PCB board control chip, 4--Wireless transmission module, 5--Battery. Detailed implementation manners
[0018] The following further describes in detail the implementation manners of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.
[0019] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0021] Please refer to Figure 1 and Figure 2 , the present utility model provides an electronic skin sensor, including a sensor device 1, an FPC transmission line 2, a PCB board control chip 3, a wireless transmission module 4 and a battery 5; the sensor device 1 includes a substrate layer 11 and a glucose oxidase sensing module, an ion sensor, a pulse sensor 12 and an FPC interface 13 provided on the substrate layer 11; the glucose oxidase sensing module, the ion sensor and the pulse sensor 12 are respectively connected to the FPC interface 13; one end of the FPC transmission line 2 is connected to the FPC interface 13, and the other end is connected to the PCB board control chip 3, and the wireless transmission module 4 and the battery 5 are respectively connected to the PCB board control chip 3.
[0022] An embodiment of the present utility model provides a novel flexible wearable device, which is composed of various skin-friendly sensors and materials. By replacing traditional materials and adding new functional materials, a new preparation process for biochemical sensors is developed and designed. The substrate layer 11 is made of a soft and transparent material, which can fit well with the skin. A glucose oxidase sensing module, an ion sensor, and a pulse sensor 12 are arranged on the substrate layer 11, which can detect data such as skin current response, glucose, lactic acid, uric acid, electrolyte Na+, K+ ions, etc. After the substance to be detected binds to the detection target, the corresponding capacitance changes, and various substances secreted in skin nerve activities and sweat are detected. The circuit is connected to the PCB board control chip 3 through the FPC transmission line 2, which can analyze and statistically analyze the relevant physical changes of the user in real time, and can provide multi-modal physical and chemical monitoring for more than 24 hours continuously during daily activities. After collecting these data, through the learning and calculation of big data, the current physical condition of the user can be preliminarily judged, providing timely early warning for human health.
[0023] Preferably, the substrate layer 11 has a T-shaped structure, and the T-shaped structure includes a horizontal side 111 and a vertical side 112. The pulse sensor 12 is arranged at the center position of the horizontal side 111; the glucose oxidase sensing module includes two glucose oxidase sensing units 14, which are respectively arranged at both ends of the horizontal side 111; the ion sensor includes two ion sensing units 15, which are respectively arranged on both sides of the pulse sensor 12. In this embodiment, the cross-section of the substrate layer 11 has a T-shaped structure, and the two wings of the horizontal side 111 of the T-shaped structure are in arc transition, making the substrate layer 11 more beautiful and easier to fit the skin surface, facilitating subsequent disassembly. Glucose oxidase sensing units 14 and ion sensing units 15 are respectively arranged on the two wings of the substrate layer 11, and the middle is the working area of the pulse sensor 12. The pulse sensor 12 has an overall square structure and is connected through a lead and an FPC interface 13. The large-area pulse sensor 12 can detect the skin current response more accurately to provide accurate pulse data. The two wings of the substrate layer 11 are respectively attached to the skin, so that the detection ranges of the glucose oxidase sensing unit 14 and the pulse sensor 12 are larger, improving the accuracy.
[0024] Preferably, the glucose oxidase sensing unit 14 includes a glucose oxidase sensing anode 141 and a glucose oxidase sensing cathode 142, and the glucose oxidase sensing anode 141 and the glucose oxidase sensing cathode 142 are respectively connected to the FPC interface 13; the ion sensing unit 15 includes an ion sensing anode 151 and an ion sensing cathode 152, and the ion sensing anode 151 and the ion sensing cathode 152 are respectively connected to the FPC interface 13; the pulse sensor is a double-layer stacked structure, which includes an anode circuit layer and a cathode circuit layer, the anode circuit layer and the cathode circuit layer are stacked on top of each other, and the anode circuit layer and the cathode circuit layer are respectively connected to the FPC interface 13 through leads.
[0025] In this embodiment, the cross-sections of the glucose oxidase sensing anode 141 and the glucose oxidase sensing cathode 142 are generally arc-shaped structures, wherein the length of the glucose oxidase sensing anode 141 is greater than the length of the glucose oxidase sensing cathode 142, and the width of the glucose oxidase sensing anode 141 is less than the width of the glucose oxidase sensing cathode 142. One end of the glucose oxidase sensing anode 141 is connected to the FPC interface 13 through a lead, and one end of the glucose oxidase sensing cathode is connected to the FPC interface 13 through a lead. The ion sensing anode 151 is an arc-shaped structure, and one end of it is connected to the FPC interface 13 through a lead. The ion sensing cathode 152 is generally circular in structure, and it is provided with three contacts, and the three contacts are respectively connected to the FPC interface 13 through leads. The anode circuit layer and the cathode circuit layer in the pulse sensor overlap each other to form a double-layer structure, and are respectively connected to the FPC interface 13 through leads.
[0026] Preferably, the glucose oxidase sensing unit 14, the ion sensing unit 15 and the pulse sensor are all made of conductive materials, and respectively form a glucose oxidase sensing pattern circuit, an ion sensing pattern circuit and a pulse sensing pattern circuit according to the detection category; the surface of the glucose oxidase sensing pattern circuit is modified with a polymer material adapted to glucose oxidase; the surface of the ion sensing pattern circuit is modified with a polymer material adapted to the type of ions to be detected; the surface of the pulse sensing pattern circuit is a polymer material adapted to the skin current response. Through the above structural design, the transparent conductive electrode is made into a corresponding pattern circuit, and the surface is modified for different detected substances (such as skin current response, glucose, lactic acid, uric acid, electrolyte Na+, K+ ions, etc.). After the substance to be detected binds to the detection target, the corresponding capacitance can be changed to detect skin nerve activity and various substances secreted in sweat.
[0027] Preferably, the conductive material is copper, silver nanowires, copper nanowires, carbon nanotubes or graphene.
[0028] Preferably, the substrate layer 11 is an ultra-thin flexible PI substrate with high transmittance. In this embodiment, the substrate layer 11 is composed of a transparent and stable flexible material, and the most commonly used is an ultra-thin flexible PI substrate with high transmittance. Further, flexible substrates such as PET and COP can also be used.
[0029] Preferably, the glucose oxidase sensing module, the ion sensor, and the pulse sensor 12 are formed on the surface of the substrate layer 11 by an additive method or an etching method.
[0030] Preferably, the additive method is an inkjet printing method, a 3D printing method, or a nanoimprinting method, and the etching method is a wet yellow light etching method or a laser etching method. In this embodiment, a pattern circuit can be manufactured by an additive method, such as inkjet printing, 3D printing, or nanoimprinting; or an etching process can be adopted, such as a wet yellow light etching method, a laser etching method, etc., and a transparent conductive electrode can be made into a corresponding pattern circuit.
[0031] Preferably, the battery 5 is a thin-film battery 5.
[0032] Preferably, it further includes a host computer device and a feedback device; the host computer device is connected to the wireless transmission module 4, and it includes a data analysis module, an AI module, and a feedback module; the feedback device is an intelligent terminal device or a smart phone with input and output functions and is wirelessly connected to the host computer device; the sensor device 1 collects human physiological level data and transmits the collected data to the PCB board control chip 3, and the PCB board control chip 3 transmits the human physiological level data to the data analysis module through the wireless transmission module 4; the data analysis module analyzes the human physiological level data and establishes a parameter model; the AI module predicts the physical health level based on the collected human physiological level data and the parameter model; the feedback module sends the prediction result of the physical health level to the feedback device; the user inputs a feedback problem through the feedback device, and the feedback device transmits the feedback data to the host computer device, and the host computer device readjusts the algorithm according to the feedback data.
[0033] Through the above structural design, the sensor device detects, records, and statistically analyzes the changes in various physiological level parameters under different human activities, and then transmits the data to the host computer device. The host computer device is built with a specific algorithm that uses AI to intelligently analyze the relevant data and establish a behavior-parameter model. Then, the AI module collects the relevant physiological level parameters of the user and predicts the physical health level. The prediction results can be sent to the intelligent terminal device or smartphone in the user's hand through wireless transmission. The user can provide feedback and correction to the prediction results according to their own conditions and take intervention and treatment measures in a timely manner. The host computer device readjusts the algorithm based on the feedback information and detection results. In the process of repeated cycles, the detection accuracy and adaptability to the user's physical condition are gradually improved, and finally, a more accurate and effective mental and psychological stress assessment result is provided for the user.
[0034] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.
Claims
1. An electronic skin sensor, characterized in that: The invention comprises a sensor device (1), an FPC transmission line (2), a PCB board control chip (3), a wireless transmission module (4) and a battery (5); the sensor device comprises a substrate layer (11) and a glucose oxidase sensing module, an ion sensor, a pulse sensor (12) and an FPC interface (13) arranged on the substrate layer; the glucose oxidase sensing module, the ion sensor and the pulse sensor are respectively connected to the FPC interface; one end of the FPC transmission line is connected to the FPC interface and the other end is connected to the PCB board control chip; the wireless transmission module and the battery are respectively connected to the PCB board control chip.
2. The electronic skin sensor according to claim 1, characterized in that: The substrate layer is in a T-shaped structure, the T-shaped structure comprising a horizontal side (111) and a vertical side (112), wherein the pulse sensor is arranged at the center of the horizontal side; the glucose oxidase sensing module comprises two glucose oxidase sensing units (14), which are respectively arranged at two ends of the horizontal side; and the ion sensor comprises two ion sensing units (15), which are respectively arranged at two sides of the pulse sensor.
3. The electronic skin sensor according to claim 2, characterized in that: The glucose oxidase sensing unit comprises a glucose oxidase sensing anode (141) and a glucose oxidase sensing cathode (142), and the glucose oxidase sensing anode and the glucose oxidase sensing cathode are respectively connected to the FPC interface; the ion sensing unit comprises an ion sensing anode (151) and an ion sensing cathode (152), and the ion sensing anode and the ion sensing cathode are respectively connected to the FPC interface; the pulse sensor is a double-layer stacked structure, which comprises an anode circuit layer and a cathode circuit layer, the anode circuit layer and the cathode circuit layer are stacked on each other, and the anode circuit layer and the cathode circuit layer are respectively connected to the FPC interface through leads.
4. The electronic skin sensor according to claim 3, characterized in that: The glucose oxidase sensing unit, the ion sensing unit and the pulse sensor are all made of conductive materials, and form glucose oxidase sensing pattern circuits, ion sensing pattern circuits and pulse sensing pattern circuits respectively according to the detection categories; the surface of the glucose oxidase sensing pattern circuit is modified with a polymer material compatible with glucose oxidase; the surface of the ion sensing pattern circuit is modified with a polymer material compatible with the type of ions to be detected; the surface of the pulse sensing pattern circuit is modified with a polymer material compatible with the skin current response.
5. The electronic skin sensor according to claim 4, characterized in that: The conductive material is metallic copper, nano-silver wire, nano-copper wire, carbon nanotube or graphene.
6. The electronic skin sensor according to claim 1, characterized in that: The substrate layer is an ultra-thin flexible PI substrate with high transmittance.
7. The electronic skin sensor according to claim 6, characterized in that: The glucose oxidase sensor module, the ion sensor and the pulse sensor are formed on the surface of the substrate layer by an additive method or an etching method.
8. The electronic skin sensor according to claim 7, characterized in that: The additive method is an inkjet printing method, a 3D printing method or a nanoimprinting method, and the etching method is a wet photolithography method or a laser etching method.
9. The electronic skin sensor according to claim 1, characterized in that: The battery is a thin film battery.