Patents by Inventor Huiling Tai
Huiling Tai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250102484Abstract: An integrated structure of an ultrafast response hydrogen sensor includes: a gas path chamber; a gas extractor fixed to a gas inlet of the gas path chamber; and a first hydrogen sensor and a second hydrogen sensor provided inside the gas path chamber; wherein the gas extractor is located in an identical straight line with the first hydrogen sensor and the second hydrogen sensor; the first hydrogen sensor and the second hydrogen sensor each have an Port A and a Port B, and DC voltage is applied to the Port A of the first hydrogen sensor and the Port B of the second hydrogen sensor, and the Port B of the first hydrogen sensor is connected to the Port A of the second hydrogen sensor to form a shared port, and the shared port serves as a voltage output port.Type: ApplicationFiled: December 4, 2024Publication date: March 27, 2025Inventors: Zhen Yuan, Huiling Tai, Yadong Jiang, Ruilin Yang, Tiancheng Huang, Chen Shan
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Publication number: 20240319023Abstract: An ion gradient power-generation stretching strain sensor and its preparation method, which relates to the technical field of flexible strain sensor and flexible wearable electronic technology, includes: latex pipes, an elastic line covered with a first hygroscopic sensitive material, two electrodes, and filter paper covered with a second hygroscopic sensitive material; wherein at both ends of the pipe, the filter paper is fixed inside and the corresponding electrodes of the elastic line at one end; the moisture absorption performance of the second hygroscopic sensitive material is better than the first hygroscopic sensitive material. The present invention realizes self-power supply of the sensor based on the ion gradient, does not require external power supply, and uses the elasticity line of the first hygroscopic sensitive material to achieve the strain detection, without consuming the material of the sensor itself and thus enhances life of the sensor.Type: ApplicationFiled: January 28, 2024Publication date: September 26, 2024Inventors: Zaihua Duan, Qi Huang, Huiling Tai, Zhen Yuan, Yadong Jiang
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Publication number: 20240102979Abstract: A calibration concentration selection method includes steps of: using a gas sensor array to obtain a concentration variation sequence and a response variation sequence of the gas mixture; constructing and training an AE-BP model; constructing VAE and identically distributing the response variation sequence; inputting the identically distributed response variation sequence into the trained AE-BP model to output a predicted concentration variation sequence; and then normalizing the predicted concentration variation sequence to generate a target concentration variation sequence; sorting a target concentration variation sequence and calculating a response gradient sequence; processing the response gradient sequence for obtaining a corresponding smoothed gradient sequence; if the spike is greater than a preset hyperparameter, finding a large gradient concentration interval; and selecting concentration test points by random uniform sampling according to weights; and selecting concentration test points from all otheType: ApplicationFiled: December 8, 2023Publication date: March 28, 2024Inventors: Huiling Tai, Yadong Jiang, Yilun Ma, Zaihua Duan, Yuanming Wu, Zhen Yuan
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Patent number: 11802859Abstract: The disclosure relates to a wireless self-powered gas sensor based on electromagnetic oscillations triggered by external forces and its fabrication method. The sensor includes a gas test chamber, a first friction layer, a second friction layer, an interdigital electrode, a gas-sensitive material, an air inlet, an air outlet and leads. The gas sensor of the disclosure is an integrated detection system of “environmental energy collection—wireless energy transmission—active spontaneous detection” that can be driven simultaneously only by external mechanical movement, and can work independently without external power supply. The first friction layer and the second friction layer are arranged outside the gas test chamber. The frictional motion will not interfere with the flow field of the test chamber and the gas molecule absorption and desorption, which ensures the stability of gas detection to the greatest extent.Type: GrantFiled: December 13, 2020Date of Patent: October 31, 2023Assignee: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINAInventors: Yuanjie Su, Qichen Gong, Yanmeng Chen, Guangzhong Xie, Huiling Tai, Xiaosong Du, Yadong Jiang
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Patent number: 11750116Abstract: A self-powered automobile exhaust gas sensor including a supporting frame, a ferroelectric-triboelectric coupling functional film, and two metal electrodes. The ferroelectric-triboelectric coupling functional film comprises a first end fixed on the supporting beam in middle of the supporting frame, and a second end is freestanding. The two metal electrodes are grounded and adhered on the upper and lower sides of the supporting frame, respectively. An iron block is mounted on the top of the supporting frame.Type: GrantFiled: January 20, 2021Date of Patent: September 5, 2023Assignee: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINAInventors: Yuanjie Su, Qichen Gong, Guangzhong Xie, Mingliang Yao, Chunxu Chen, Jinyang Yi, Li Jia, Weizhi Li, Huiling Tai, Xiaosong Du, Yadong Jiang
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Patent number: 11730392Abstract: A breathing-driven flexible respiratory sensor includes: a test cavity and a digital electrometer, wherein an upper internal wall of the test cavity is provided with an upper detecting component, and a lower internal wall of the test cavity is provided with a lower detecting component; the upper detecting component and the lower detecting component is arranged in a longitudinal symmetry form; wherein the upper detecting component comprises a substrate, an electrode and a gas sensitive film bonded in sequence from top to bottom, and the substrate is bonded to the upper internal wall of the test cavity; wherein a rubber airbag is disposed in the test cavity, and a friction film is bonded to the rubber airbag; an air inlet cylinder is connected to a left end of the rubber airbag, and an air outlet cylinder is connected to a right end of the rubber airbag.Type: GrantFiled: August 13, 2019Date of Patent: August 22, 2023Assignee: University of Electronic Science and Technology of ChinaInventors: Yadong Jiang, Huiling Tai, Bohao Liu, Si Wang, Zhen Yuan, Qi Huang, Guangzhong Xie
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Patent number: 11234615Abstract: A three-dimensional folding self-driving flexible respiration monitoring sensor and the preparing method thereof is disclosed. In the present invention a first friction unit and a second friction unit are set on a bottom of the box, which comprise a substrate, a conductive electrode layer and a friction layer respectively; the second friction unit is fixed on the bottom of the box; a friction layer of the first friction unit faces a friction layer of the second friction unit; a back plate is set on a substrate of the first friction unit; a balloon is between the box and the back plate; an inlet tube connects the balloon and the box, which is on a side wall of the box; the conductive electrode layer of the first friction layer and the second friction layer are connected to the electrometer respectively. Micro-energy of the respiration is adopted to monitor the breathing.Type: GrantFiled: August 5, 2019Date of Patent: February 1, 2022Assignee: University of Electronic Science and Technology of ChinaInventors: Huiling Tai, Yadong Jiang, Si Wang, Bohao Liu, Zhen Yuan, Qi Huang, Guangzhong Xie
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Patent number: 11235496Abstract: A one-step solution casting method for preparing a PVDF-based pyroelectric polymer film is provided, which belongs to the technical field of functional material preparation. The method comprises steps of: treating a substrate with a hydrophilic reagent to obtain a hydrophilically-modified substrate, and then casting the organic solution of polyvinylidene fluoride (PVDF) or its copolymer on the hydrophilically-modified substrate. After cured, the as-casted PVDF-based film shows pyroelectricity without undergoing any stretching or poling post-treatment, indicates that the dipoles of the one-step prepared film are aligned. The self-polarization of the prepared film is attributed to a hydrogen bond induced layer-by-layer electrostatic self-assembly growth mechanism. The method is simple, low cost, high efficient, high capability to produce thick and large-area film with smooth morphology and ease to be scalized.Type: GrantFiled: November 13, 2018Date of Patent: February 1, 2022Assignee: University of Electronic Science and Technology of ChinaInventors: Weizhi Li, Yuming Wu, Xiaosong Du, Jimeng Li, Huiling Tai, Guangzhong Xie
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Patent number: 11215515Abstract: A preparation method of a three-layer self-healing flexible strain sensor includes steps of: preparing an encapsulating layer composite, so as to obtain a concentrated solution; preparing a strain sensitive layer composite, so as to obtain a thick liquid; dropping the thick liquid on a glass substrate, and statically curing at a room temperature; dropping the concentrated solution on a cured film obtained in the S3, and statically curing at the room temperature; striping a cured filmed obtained in the S4 from the glass substrate, and drawing out two wires as electrodes; and dropping the concentrated solution on the other surface of the cured film obtained in the S3 with a same amount of S4, and statically curing at the room temperature for obtaining the three-layer self-healing flexible strain sensor. The three-layer self-healing structure strain sensor can be prepared without using a repair agent, but can achieve rapid self-repair.Type: GrantFiled: August 28, 2020Date of Patent: January 4, 2022Assignee: University of Electronic Science and Technology of ChinaInventors: Yadong Jiang, Huiling Tai, Dongsheng Wang, Zhen Yuan, Mingjun Zhou, Jing Yang
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Publication number: 20210320596Abstract: A self-powered automobile exhaust gas sensor including a supporting frame, a ferroelectric-triboelectric coupling functional film, and two metal electrodes. The ferroelectric-triboelectric coupling functional film comprises a first end fixed on the supporting beam in middle of the supporting frame, and a second end is freestanding. The two metal electrodes are grounded and adhered on the upper and lower sides of the supporting frame, respectively. An iron block is mounted on the top of the supporting frame.Type: ApplicationFiled: January 20, 2021Publication date: October 14, 2021Inventors: Yuanjie SU, Qichen GONG, Guangzhong XIE, Mingliang YAO, Chunxu CHEN, Jinyang YI, Li JIA, Weizhi LI, Huiling TAI, Xiaosong DU, Yadong JIANG
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Publication number: 20210208121Abstract: The disclosure relates to a wireless self-powered gas sensor based on electromagnetic oscillations triggered by external forces and its fabrication method. The sensor includes a gas test chamber, a first friction layer, a second friction layer, an interdigital electrode, a gas-sensitive material, an air inlet, an air outlet and leads. The gas sensor of the disclosure is an integrated detection system of “environmental energy collection—wireless energy transmission—active spontaneous detection” that can be driven simultaneously only by external mechanical movement, and can work independently without external power supply. The first friction layer and the second friction layer are arranged outside the gas test chamber. The frictional motion will not interfere with the flow field of the test chamber and the gas molecule absorption and desorption, which ensures the stability of gas detection to the greatest extent.Type: ApplicationFiled: December 13, 2020Publication date: July 8, 2021Inventors: Yuanjie SU, Qichen GONG, Yanmeng CHEN, Guangzhong XIE, Huiling TAI, Xiaosong DU, Yadong JIANG
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Publication number: 20210041313Abstract: A preparation method of a three-layer self-healing flexible strain sensor includes steps of: preparing an encapsulating layer composite, so as to obtain a concentrated solution; preparing a strain sensitive layer composite, so as to obtain a thick liquid; dropping the thick liquid on a glass substrate, and statically curing at a room temperature; dropping the concentrated solution on a cured film obtained in the S3, and statically curing at the room temperature; striping a cured filmed obtained in the S4 from the glass substrate, and drawing out two wires as electrodes; and dropping the concentrated solution on the other surface of the cured film obtained in the S3 with a same amount of S4, and statically curing at the room temperature for obtaining the three-layer self-healing flexible strain sensor. The three-layer self-healing structure strain sensor can be prepared without using a repair agent, but can achieve rapid self-repair.Type: ApplicationFiled: August 28, 2020Publication date: February 11, 2021Inventors: Yadong Jiang, Huiling Tai, Dongsheng Wang, Zhen Yuan, Mingjun Zhou, Jing Yang
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Patent number: 10816418Abstract: A three-layer self-healing flexible strain sensor includes: a self-healing sensitive layer, wherein a self-healing encapsulating layer is respectively placed on an upper surface and a lower surface of the self-healing sensitive layer. The self-healing sensitive layer comprises a doped carbon material or a conductive composite. The three self-healing layers of the self-healing strain sensor can quickly repair the internal and external damage caused by the layered structure in a short period of time after the external damage, and does not require external stimulation. The three-layer self-healing structure strain sensor is simple in preparation without using a repair agent, which can achieve rapid self-repair at the room temperature, and can be repeatedly repair. The three-layer self-healing structure increases the strength and modulus of the strain sensor as well as increases the ability of the strain sensor to resist external damage.Type: GrantFiled: July 16, 2018Date of Patent: October 27, 2020Assignee: University of Electronic Science and Technology of ChinaInventors: Huiling Tai, Yujin Yao, Dongsheng Wang, Zhen Yuan, Yadong Jiang, Guangzhong Xie, Xiaosong Du
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Patent number: 10730226Abstract: A method for preparing a pyroelectric polymer film based on a combined process of solution casting and uniaxial stretching is disclosed. The pyroelectric polymer film is firstly prepared by solution casting, afterwards, the casted film is subjected to uniaxial stretching when the film is in a semi-cured state (wet film). Thus a larger stretching ratio (>10) at a lower temperature (even at room temperature) is realized. Without undergoing a further poling process, the as-stretched film does have a fairly, good pyroelectric performance. Moreover, the surface of the stretched film is smoother and has fewer surface defects.Type: GrantFiled: February 11, 2018Date of Patent: August 4, 2020Assignee: University of Electronic Science and Technology of ChinaInventors: Weizhi Li, Jimeng Li, Yuming Wu, Xiaosong Du, Huiling Tai, He Yu
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Patent number: 10550240Abstract: A carbon material-polymer strain sensitive film and its preparation method are disclosed. The carbon material-polymer strain sensitive film includes multiple layers of carbon sensitive films and multiple layers of polymer films, wherein the multiple layers of carbon sensitive films and the multiple layers of polymer films form a multi-layer composite film in sequence through a layer-by-layer assembly process. The preparation method includes steps of: cleaning, processing a hydrophilic treatment and processing a hydrophobic treatment on a rigid substrate in sequence; preparing a carbon material in dispersion solution and a polymer dispersion solution; through a layer-by-layer self-assembly process, growing the polymer and the carbon material in a form of layer-by-layer on the rigid substrate; transferring the composite film from the rigid substrate to a flexible substrate; and pasting two electrodes at two ends of the composite film and encapsulating with a flexible film.Type: GrantFiled: November 29, 2017Date of Patent: February 4, 2020Assignee: University of Electronic Science and Technology of ChinaInventors: Huiling Tai, Xueliang Ye, Zhen Yuan, Rui Guo, Yadong Jiang, Weizhi Li, Xiaosong Du
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Publication number: 20190357808Abstract: A three-dimensional folding self-driving flexible respiration monitoring sensor and the preparing method thereof is disclosed. In the present invention a first friction unit and a second friction unit are set on a bottom of the box, which comprise a substrate, a conductive electrode layer and a friction layer respectively; the second friction unit is fixed on the bottom of the box; a friction layer of the first friction unit faces a friction layer of the second friction unit; a back plate is set on a substrate of the first friction unit; a balloon is between the box and the back plate; an inlet tube connects the balloon and the box, which is on a side wall of the box; the conductive electrode layer of the first friction layer and the second friction layer are connected to the electrometer respectively. Micro-energy of the respiration is adopted to monitor the breathing.Type: ApplicationFiled: August 5, 2019Publication date: November 28, 2019Inventors: Huiling Tai, Yadong Jiang, Si Wang, Bohao Liu, Zhen Yuan, Qi Huang, Guangzhong Xie
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Publication number: 20190357807Abstract: A breathing-driven flexible respiratory sensor includes: a test cavity and a digital electrometer, wherein an upper internal wall of the test cavity is provided with an upper detecting component, and a lower internal wall of the test cavity is provided with a lower detecting component; the upper detecting component and the lower detecting component is arranged in a longitudinal symmetry form; wherein the upper detecting component comprises a substrate, an electrode and a gas sensitive film bonded in sequence from top to bottom, and the substrate is bonded to the upper internal wall of the test cavity; wherein a rubber airbag is disposed in the test cavity, and a friction film is bonded to the rubber airbag; an air inlet cylinder is connected to a left end of the rubber airbag, and an air outlet cylinder is connected to a right end of the rubber airbag.Type: ApplicationFiled: August 13, 2019Publication date: November 28, 2019Inventors: Yadong Jiang, Huiling Tai, Bohao Liu, Si Wang, Zhen Yuan, Qi Huang, Guangzhong Xie
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Publication number: 20190077056Abstract: A one-step solution casting method for preparing a PVDF-based pyroelectric polymer film is provided, which belongs to the technical field of functional material preparation. The method comprises steps of: treating a substrate with a hydrophilic reagent to obtain a hydrophilically-modified substrate, and then casting the organic solution of polyvinylidene fluoride (PVDF) or its copolymer on the hydrophilically-modified substrate. After cured, the as-casted PVDF-based film shows pyroelectricity without undergoing any stretching or poling post-treatment, indicates that the dipoles of the one-step prepared film are aligned. The self-polarization of the prepared film is attributed to a hydrogen bond induced layer-by-layer electrostatic self-assembly growth mechanism. The method is simple, low cost, high efficient, high capability to produce thick and large-area film with smooth morphology and ease to be scalized.Type: ApplicationFiled: November 13, 2018Publication date: March 14, 2019Inventors: Weizhi Li, Yuming Wu, Xiaosong Du, Jimeng Li, Huiling Tai, Guangzhong Xie
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Publication number: 20180340848Abstract: A three-layer self-healing flexible strain sensor includes: a self-healing sensitive layer, wherein a self-healing encapsulating layer is respectively placed on an upper surface and a lower surface of the self-healing sensitive layer. The self-healing sensitive layer comprises a doped carbon material or a conductive composite. The three self-healing layers of the self-healing strain sensor can quickly repair the internal and external damage caused by the layered structure in a short period of time after the external damage, and does not require external stimulation. The three-layer self-healing structure strain sensor is simple in preparation without using a repair agent, which can achieve rapid self-repair at the room temperature, and can be repeatedly repair. The three-layer self-healing structure increases the strength and modulus of the strain sensor as well as increases the ability of the strain sensor to resist external damage.Type: ApplicationFiled: July 16, 2018Publication date: November 29, 2018Inventors: Huiling Tai, Yujin Yao, Dongsheng Wang, Zhen Yuan, Yadong Jiang, Guangzhong Xie, Xiaosong Du
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Publication number: 20180186060Abstract: A method for preparing a pyroelectric polymer film based on a combined process of solution casting and uniaxial stretching is disclosed. The pyroelectric polymer film is firstly prepared by solution casting, afterwards, the casted film is subjected to uniaxial stretching when the film is in a semi-cured state (wet film). Thus a larger stretching ratio (>10) at a lower temperature (even at room temperature) is realized. Without undergoing a further poling process, the as-stretched film does have a fairly good pyroelectric performance. Moreover, the surface of the stretched film is smoother and having less surface defects.Type: ApplicationFiled: February 11, 2018Publication date: July 5, 2018Inventors: Weizhi Li, Jimeng Li, Yuming Wu, Xiaosong Du, Huiling Tai, He Yu