Shenzhen New Degree Technology Co., Ltd.

Huizhou University

Osram Ag

Shenzhen Dongzheng Optical Technology Co., Ltd

Guangzhou Municipal Engineering Testing Co., Ltd.

Osram Gmbh

Hao Li

Xuepeng Lin

Dongsheng Lu

Bin Zhang

Jun Yang

Lu Liu

Ping Zhang

Yi Xu

Xiaomian Chen

Jinyun Liao

Jinbo Yu

Xiaoli Sun

Zhiguo Zhou

Tuoxia Huang

SongJian Yao

Shang Ping Xiao

Liangjun Hu

You Chen

Yabo Guo

Junhao Li

Changfeng Zhu

Quanbing Liu

Yongxiao Du

Xiaohua Yuan

Decun Bian

Jixi Shao

Yuzhu Zhang

Xibin Zhang

Yan Gang Cheng

Dingshu Xiao

JieMing Li

YiQiang Pan

Xi Huang

A beam pressure sensor, a pressure sensing device, an electronic apparatus are disclosed. The beam pressure sensor includes: a bending beam, provided with two ends that are fixed, outside wall surfaces of the bending beam are provided with a stressed surface and a strain surface arranged to be opposite to each other; and one or more strain gauges, each strain gauge being electrically connected to a circuit configured for detecting strain; and at least one of the stressed surface and the strain surface is provided with at least one of the strain gauges. The detection sensitivity of the beam pressure sensor is improved, a small displacement is only needed for the detected force.

Beam pressure sensor, pressure sensing device and electronic apparatus having a bending beam with two fixed ends

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The present application discloses a strain sensing film, a pressure sensor, and a strain sensing system; the strain sensing film includes a semiconductor film, and by arranging a temperature sensor in the semiconductor film, the sensitivity of the strain sensing film is adjusted according to an effective gauge factor obtained from a calibration test and a correlation table reflecting a correlation between an effective gauge factor and a temperature, a better effective gauge factor compensation is achieved, a high sensitivity of the strain gauge of the semiconductor film can be fully utilized. The strain sensing film can be widely used in application scenarios that need to measure local strain or strain variation, force or force variation, pressure or pressure change, displacement, deformation, bending, or bending deformation.

Multi-parameter sensing system

The present invention relates to the technical field of catalysts, and discloses a yolk/shell-type CoCuCoO@CoCuCoOcatalyst as well as a preparation method and application thereof to catalytic hydrogen generation. The preparation method of the yolk/shell-type CoCuCoO@CoCuCoOcatalyst includes the steps of: successfully synthesizing, by applying a hydrothermal synthesis method, a [Co(CHN)](NO)solid sphere complex from a cobalt salt and hexamethyleneteramine serving as an alkali source; and then, performing calcination to obtain a yolk/shell-type CoOmicrosphere structure, adsorbing Cuon a surface in a physical adsorption manner, and performing calcination again to form yolk/shell-type CoCuCoO@CoCuCoO. The preparation method is simple, raw materials are cheap and available, and the prepared yolk/shell-type CoCuCoO@CoCuCoOcatalyst is high in purity, good in catalysis performance and capable of showing excellent catalytic activity in term of ammonia borane catalytic hydrolysis for hydrogen generation.

Yolk/shell-type CoCuCoO@CoCuCoOcatalyst as well as preparation method and application thereof to catalytic hydrogen generation

A pressure sensing device is provided. In the pressure sensing device, the rigid structure includes rigid blocks arranged at intervals, and strain amplification zones are formed between every two adjacent rigid blocks. The force sensors include first sensors and second sensors. The first sensors are arranged on the two installation surfaces of the strain amplification zones and capable of following the deformation of the measured object, the second sensors are arranged on the two installation surfaces of the rigid blocks and located close to corresponding first sensors. At least four force sensors are connected to form a bridge circuit, and the bridge circuit is electrically connected to a signal processing circuit, so as to detect deformation of the rigid structure and obtain a force acted on the measured object. An output signal of each of the second sensors serves as a temperature compensation signal of the corresponding first sensors.

Pressure sensing device, pressure sensing method and equipment with temperature compensation

A pressure sensing assembly, a pressure sensing method, and a device having the pressure sensing assembly are disclosed. The detection circuit and the signal generating circuit are connected to a signal processing circuit, the detection circuit includes a first bridge circuit constituted by connecting at least four force sensors R1, R2, R3 and R4. During use, the rigid structure is attached on an object to be detected which is deformed under action of an acting force, the detection circuit and the signal generating circuit are cooperated so as to generate different output signals that pass through the signal processing circuit, so that a direction and a magnitude of the acting force is recognized. The pressure sensing assembly has an integrated structure, is prone to be assembled, has a simple circuit configuration, and is low in cost.

Pressure sensing assembly and method with increased precision and reliability

A device of force sensing, which includes a rigid structure and force sensors. The rigid structure includes rigid blocks spaced apart, and a strain amplification area is formed between two adjacent rigid blocks, every two force sensors in four force sensors are used as a group, and two groups of the force sensors are selectively arranged corresponding to two of the mounting surfaces of the strain amplification area, the four force sensors are connected to form different bridge circuits.

Device and method of force sensing and apparatus

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In the automatic welding method and device for prestressed tubular piles provided in the present application, which is applied in welding equipment, a detection is conducted around a connection position between prestressed tubular piles and a position of a target welding seam is obtained. Then the target welding seam is welded around the prestressed tubular piles according to the position of the target welding seam.

Automatic weldding method and device for prestressed tubular piles

A pressure sensor is disclosed, which includes a substrate attached to an object being tested, a force transmission structure connected to the substrate, and a pressure measuring circuit; the force transmission structure includes a first elastomer and a second elastomer arranged alternately in sequence, the adjacent first elastomer and second elastomer are abutted against each other, and rigidity of the second elastomer is lower than rigidity of the first elastomer; the pressure measuring circuit is provided with at least two resistors, at least one of the resistors is provided at a position of the substrate corresponding to the second elastomer, and the at least one of the resistors is a strain sensing resistor configured to detect deformation of the second elastomer. An electronic terminal is also provided, which includes an object being tested, the pressure sensor, and a pressure sensing detection circuit electrically connected to the strain sensing resistor.

Pressure sensor and electronic terminal

The pressure sensing device includes a substrate and a pressure sensor. The pressure sensor used is a thin-film piezoresistive sensor with a certain area, and a power wire, a ground wire, and two differential wires are led out from ends of the pressure sensor respectively, and the pressure sensor is arranged on the substrate. The substrate is simply attached to the object being tested that is to be subjected to pressure, the pressure sensor is connected to a pressure sensing detection circuit, the object being tested deforms under pressure, and the thin-film piezoresistive sensor deforms as the substrate deforms. The deformation of the substrate is detected through detecting the voltage drop between the two differential wires, which is converted to obtain the pressure on the object being tested, thereby realizing a pressure-sensitive touch function. A pressure sensing method and an electronic terminal with the pressure sensing device are also provided.

Pressure sensing device, pressure sensing method and electronic terminal with compact structure and high sensitivity

The present invention provides a method and system for acquiring operating parameters of a photographic lens, including: a control circuit and a storage unit that are configured in the photographic lens, where the control circuit acquires an operating parameter of the photographic lens by using a focusing ring position sensor, a zoom ring position sensor, an aperture ring position sensor, an accelerometer and a gyro sensor; and the control circuit is further connected to a camera or an external data reading device by using a communication interface, to output the operating parameter after data encapsulation in real time.

Method and system for acquiring operating parameters of photographic lens

A method for preparing copper-nickel cobaltate nanowires includes steps of: (1) dissolving a soluble nickel salt, cobalt salt and copper salt in ultrapure water, and preparing same into a mixed salt solution A; (2) adding 1-4 mmol of sodium dodecyl sulfate to solution A, and dissolving same with stirring; (3) dissolving 12-30 mmol of hexamethylenetetramine in 20 mL of ultrapure water to form solution B; (4) slowly dropwise adding solution B to solution A via a separatory funnel to form solution C, and stirring same for 0.5-1 h; and (5) further transferring same into a 100 mL reaction vessel, reacting same at 100-160&#xb0; C. for 8-20 h, suction filtration and washing, and drying same at 40-60&#xb0; C. in a vacuum oven, and further reacting same at 350-800&#xb0; C. for 1-4 h in a muffle furnace.

Method for prepareing copper-nickel cobaltate nanowire

A method of preparing hollow molybdate composite microspheres includes steps of: (1) dissolving 1-4 mmol of MClin 20 ml of water to obtain a solution A and dissolving 1-4 mmol. of molybdic acid in 20 ml of water to obtain a solution B, followed by mixing the solution A and the solution B, in which M is Co, Ni, or Cu; (2) dissolving 10-40 mmol of urea in 40 ml of water, adding the mixed solution of step (1) and stirring uniformly; (3) placing the mixed solution of step (2) into a reaction vessel and reacting at 120-160&#xb0; C. for 6-12 hours; (4) suction filtrating and water washing, followed by drying in a vacuum oven at 40-60&#xb0; C.; (5) calcination at 350-500&#xb0; C. for 2-4 hours in a Muffle furnace.

Preparation method for hollow molybdate composite microspheres and method for catalyzing ammonia borane hydrolysis to produce hydrogen

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Growing community of inventors

Guangdong, China

Hao Li