Zhejiang Sunny Optical Co., Ltd

North China Municipal Engineering Design & Research Institute Co., Ltd.

Gree Electric Appliances, Inc. of Zhuhai

Gree Electric Appliances (wuhan) Co., Ltd

Harbin Dongan Automotive Engine Manufacturing Co. Ltd.

Foshan Institute of Intelligent Equipment Technology

Foshan Huashu Robotics Co., Ltd.

Alibaba Group Holding Limited

Omron Healthcare Company Ltd.

Harbin Institute of Technology

Nanjing University of Aeronautics and Astronautics

South China Agricultural University

Meishan Crrc Fastening System Co., Ltd

Guangzhou Special Pressure Equipment Inspection and Research Institute

Shaanxi Fast Gear Co., Ltd.

Lin Wei Yang

Hui Zhang

Yan Wang

Wenxue Gao

Rongsong Yan

Qingwei Miao

Yingjie Hu

Kaiyuan Zhang

Kai Yu

Handong Xue

Youfu Xie

Ming Song

Xiaoyu Li

Jing Ma

Binlong Li

Xiaoxing Yuan

Mo Wang

Junyuan Su

Zhaopeng Chai

Wei Guan

Shutao Yao

Peng Zhang

Jiqiu Bing

Zhangxia Zhou

Xiaodong Zhang

Yanyu He

Yanhui Zhao

Mingchang Yang

Xing Zhou

Xugao Deng

Haibin Yang

Qun Wang

Jianke Wenren

Tamaki Ito

Ming Li

Yu Liu

Bo Yang

Jianming Tan

Qunbo Liu

Lei Pan

Wei Li

Weiqiang Li

Xiangyun Zhao

Long Guo

Tao Deng

Maodong Li

Zhenling Wu

Shuai Zhang

Shiping Li

Yu Hua Li

Zhigang Chen

Jinmei Lin

Yaguo Zhang

Shifeng Huang

Bo Zhao

Tao Yu

Wen Yu

Liangliang Mao

Kun Li

Jianwei Zhang

Chengyu Hou

Guojian Cao

Wenxian Huang

Yuhui Du

Xiedong Lin

Weiye Zhou

Dakai Li

Zenggang Guo

Shunli Wang

Chaosheng Deng

Mojian Yang

Tongshu Chen

Chunsheng Zhao

Simin Chen

Wence Wang

Jing Yang

Yongwen Zhu

Hui Ye

Daiyang Xia

Weiqing Ma

Jianying Chen

Jiangtao Hu

Shanshan Zhu

Yang Fu

Qirong Chen

Heng Wang

The present disclosure discloses an optimal operation control method of the air-source heat pump and gas-fired heater combined heating system, including constructing a mathematical model of the air-source heat pump and gas-fired heater combined heating system to simulate real time energy consumption; determining a comprehensive evaluation index system of the combined heating system, including primary evaluation indexes of energy conservation, environmental protection and economical efficiency, and secondary evaluation indexes of EER, clean energy utilization rate, carbon dioxide emission and operation cost; calculating indexes through an analytic hierarchy process and then constructing a comprehensive objective function, to determine operation mode when the comprehensive objective function is the maximum by taking the priority of meeting the heating requirement as a principle, so as to achieve the purpose of optimizing the combined heating system, and achieve the combined heating system efficient, energy-saving and environmental protection.

Optimal operation control method of air-source heat pump and gas-fired heater combined heating system

The present disclosure discloses a performance evaluation method of a LNG ambient air vaporizer, comprising: step 1, performing a site test on an actually-operating LNG AAV and obtaining its parameters, performing a fluid-thermal coupling calculation and simulation of the LNG AAV by use of FEA software, then performing model modification based on the test results; step 2, performing fluid-thermal-structure coupling calculation of an AAV for validation in the FEA software, adding a submodel module for optimization and validation tests; step 3, performing fluid-thermal-structure coupling calculation on the LNG AAV to be evaluated under a design operation condition and an operation condition of the AAV to be put into service in a certain region, and evaluating the LNG AAV according to the results. The present disclosure can evaluate vaporization performance and fatigue life of the AAV simultaneously and has good operability and economical efficiency.

Performance evaluation method of LNG ambient air vaporizer

Disclosed is a control method for a hydrogen-fueled domestic gas water heater. A staged combustion technology and a fully premixed combustion technology are combined in the method, a controller judges a combustion mode according to inlet water flow and set hot water input temperature, staged combustion of the hydrogen on a combustor is achieved due to the arrangement of two electromagnetic valves and the staged combustor, and meanwhile the stable combustion of the hydrogen can be achieved by adjusting a rotating speed of a fan and magnitude of currents of a gas proportional valve; and an oxygen sensor is arranged on a exhaust pipe, and the controller judges whether actual hydrogen combustion reaches an optimal state by monitoring outlet water temperature and oxygen concentration in flue gas and performs adjustment.

Control method for hydrogen-fueled domestic gas water heater

A transmission device for a planetary gear train multi-gear hybrid vehicle and a transmission method therefore are provided. An input end of an input shaft is connected to an engine, an output end of the input shaft is connected to a front-end motor through a first planetary gear train, and the input shaft is connected to an output shaft through a first clutch. The output shaft is connected to a third planetary gear train, the third planetary gear train is connected to a second clutch and a second planetary gear train, and the second clutch and the second planetary gear train are both connected to a third clutch. The second planetary gear train is connected to a rear-end motor.

Transmission device for a planetary gear train multi-gear hybrid vehicle and transmission method therefor

A two-gear and dual-motor driven hybrid power transmission device and a transmission method therefore are provided, belonging to the technical field of transmissions. An input end of an input shaft is connected to an engine power system, and an output end of the input shaft is connected to a front-end motor by means of a front-row planetary gear train. The front-row planetary gear train is connected to one end of a first clutch, another end of the first clutch is connected to an input end of an output shaft, and an output end of the output shaft is connected to a rear axle of a vehicle. The output shaft is connected to a rear-end motor by means of a rear-row planetary gear train, and the rear-row planetary gear train is connected to a second clutch and a third clutch.

Two-gear and dual-motor driven hybrid power transmission device and transmission method therefor

Embodiments of the present disclosure belongs to the technical field of animal feed and provides a method for rapidly evaluating metabolizable energy of goose diet by using a technique of simulative digestion gross energy. By using the technical means combining the biological method and the simulative digestion gross energy technique, metabolizable energy of goose feed can be evaluated quickly. Based on the 'stomach-small intestine' two-step enzymatic methods, it is the first time to establish a regression equation between the metabolizable energy change and fiber level in the cecum to rectify the value of simulative digestion gross energy in the cecal microbial digestion phase, making the simulative digestion gross energy technique more reasonable in the assessment of metabolizable energy in geese. Results show that the use of simulative digestion gross energy technique to assess the metabolizable energy of goose feed value is highly feasible.

Method for evaluating metabolizable energy in goose diet by using a simulative digestion gross energy technique

A high-torque and high-precision ultrasonic motor with a self-protection function and an implementation mode of the high-torque and high-precision ultrasonic motor are provided. In the device, a gasket encloses an output shaft of an ultrasonic motor body. A harmonic reducer encloses a shell of the ultrasonic motor body. A motor shaft penetrates through the ultrasonic motor body. The end, close to the motor shaft, of the ultrasonic motor body is defined as a top end, and the bottom end of the motor shaft is sequentially enclosed with an encoder support and a high-precision encoder assembly. The gasket, the harmonic reducer, the encoder support and the high-precision encoder assembly are sequentially arranged from the ultrasonic motor body to the bottom end of the motor shaft. After the ultrasonic motor body decelerates and increases torque, the motor shaft outputs rotating speed and torque.

High-torque and high-precision ultrasonic motor with self-protection function and implementation mode thereof

The present disclosure discloses a camera lens assembly. The camera lens assembly includes, sequentially from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The first lens has a positive refractive power. The second lens has a negative refractive power. The third lens has a positive refractive power or a negative refractive power. The fourth lens has a positive refractive power. The fifth lens has a negative refractive power. An effective focal length f of the camera lens assembly and a combined focal length f45 of the fourth lens and the fifth lens satisfy: &#x2212;1.0&#x3c;f/f45&#x2264;&#x2212;0.5. The camera lens assembly according to the present disclosure is an ultra-thin telephoto lens assembly structure having 5 lenses and high pixels, which may obtain a good image quality and a good processing and manufacturing performance.

Camera lens assembly including five lenses of +&#x2212;++&#x2212; or +&#x2212;&#x2212;+&#x2212; refractive powers

The present disclosure relates to an air-conditioning outdoor device and an air conditioner unit. The air-conditioning outdoor device comprises: an outdoor unit housing; a primary air return port and an air outlet port provided on a front panel on a side of the outdoor unit housing away from an installation wall; and a supplementary air return port provided on a side panel of the outdoor unit housing adjacent to the front panel; wherein the primary air return port and the supplementary air return port both communicate with an air return chamber inside the outdoor unit housing. The air-conditioning outdoor device of the present disclosure can effectively increase the air flow volume through the air port of the air-conditioning outdoor device.

Air-conditioning outdoor device and air conditioner unit

The present invention discloses a riveting robot, comprising: a robot part provided on a chassis, and detachably coupled with a riveting tool part through a hydraulically quick change disk; a visual position identification part provided on a side of the hydraulically quick change disk and secured on the sixth axis of the front end of the robot part; an automatic rivet feeding part provided on a mounting baseplate which is secured on a chassis through a two-stage vibration damping structure; a riveter tailing material collection part used for collecting tailing materials produced during riveting; a riveting quality judgment part used for collecting riveting data, and processing and generating a riveting curve to realize judgment of the riveting quality. A riveting robot system provided in the present invention can realize unmanned quick mounting of a pulling rivet at a specific riveting position; a vibration damping structure effectively isolates interference of riveting operation of a robot from a vibration source; radial and axial damping mechanisms can absorb axial and radial impact energies during the process of rivet pulling and mounting, ensuring that the operating accuracy of the riveting robot system and service life of the riveting robot mechanism.

Riveting robot system

The present disclosure discloses an imaging lens assembly having a total effective focal length f. The imaging lens assembly includes sequentially a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an object side to an image side along an optical axis. The first lens has a positive refractive power, and an object-side surface of the first lens is a convex surface; the second lens has a negative refractive power; and the third lens, the fourth lens, the fifth lens and the sixth lens each have a positive refractive power or a negative refractive power. A distance TTL from the object-side surface of the first lens to an image plane of the imaging lens assembly on the optical axis and the total effective focal length f of the imaging lens assembly satisfy: TTL/f&#x2264;1.05.

Imaging lens assembly

The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly sequentially includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens from an object side to an image side along an optical axis. Each of the first lens, the fourth lens, and the fifth lens has a positive refractive power or a negative refractive power. The second lens has a positive refractive power, and the third lens has a negative refractive power. At least one of the sixth lens and the seventh lens has a negative refractive power. An effective focal length f1 of the first lens and an effective focal length f2 of the second lens satisfy: f2/|f1|&#x3c;0.5.

Optical imaging lens assembly

The present disclosure has disclosed an water pump of an air conditioner as well as a method and device for controlling the same, wherein the method for controlling an water pump of an air conditioner comprises: obtaining a state of a liquid level switch of the air conditioner, a state of operation of the air conditioner and an outdoor ambient temperature; and determining a turn-on timing of the water pump of the air conditioner according to the state of the liquid level switch of the air conditioner, the state of operation of the air conditioner and the outdoor ambient temperature obtained. The present disclosure solves the problem that the turn-on time of the water pump of the air conditioner in the prior art is not smart enough, so as to make the turn-on time of the water pump of the air conditioner more intelligent, whilst improving the safety of the water pump of the air conditioner is improved, and saving the energy.

Water pump of an air conditioner as well as method and device for controlling the same

Disclosed is a method for obtaining the inverse kinematics of a six-degree-of-freedom serial robot with an offset wrist. The method uses the analytical solution of the inverse kinematics of the six-degree-of-freedom serial robot with a non-offset wrist as an approximate solution of the inverse kinematics of the six-degree-of-freedom serial robot with an offset wrist and an initial point for iteration, and obtains a numerical solution of the inverse kinematics of the six-degree-of-freedom serial robot with an offset wrist meeting the accuracy through continuously iterative approaching. The present disclosure has faster convergence and less calculation amount relative to the traditional calculation method, reduces the computation burden for a robot controller, and improves the real-time performance.

Numerical method for obtaining the inverse kinematics of six-degree-of-freedom serial robot with an offset wrist

A bi-spin multi joint robot comprises an upper arm, a lower arm protruding forward and a wrist. The lower arm, which connects to the upper arm, is located at the right side of the upper arm. The wrist, which connects to the lower arm, is located at the right side of the tail end of the lower arm. In detail, the lower arm not only connects to the upper arm through the first transverse spindle but also connects to the wrist through the second transverse spindle. The upper arm is provided with a clearance space at the right side in order to enable the lower arm to rotate around the first transverse spindle in the clearance space, the first transverse spindle is assembled at the tail end of the upper arm, and the second transverse spindle is assembled at the tail end of the lower arm.

Multi-joint industrial robot-Bispir

Growing community of inventors

Guangdong, China

Lin Wei Yang