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16737results about How to "Ingenious design" patented technology

Micro material mechanical performance testing platform under stretching-bending-twisting multi-loads

The invention relates to a micro material mechanical performance testing platform under stretching-bending-twisting multi-loads, and belongs to the field of electromechanics. The micro material mechanical performance testing platform comprises a tension and compression module, a bending module, a twisting module, a detection control module and a test-piece clamping module, wherein the testing platform takes the tension and compression module as a basic function module; the twisting module is arranged at one end of the tension and compression module; the test-piece clamping module is arranged on the tension and compression module; the bending module is independently arranged at one side of a portal frame. The micro material mechanical performance testing platform can be taken as a material mechanical performance test device with an independent stretching/compressing mode or an independent bending mode or independent twisting mode, namely a single load testing mode, and can be applied to a material mechanical performance test of a twisting load under the given stretching/compressing stress level or a material mechanical performance test of a bending load under the given stretching/compressing stress level, namely a composite load testing mode. The stress strain process of a material under the effect of a composite load can be detected by the collection of a load/displacement signal by using the detection control module.
Owner:JILIN UNIV

Electric cooker and rice-cooking heating control method

The invention relates to an electric cooker and a rice-cooking heating control method. The electric cooker comprises a cooker body, an inner container, an upper cover device, a heating device for heating the inner container and food; wherein the outside of the bottom of the inner container is provided with a bottom temperature detector for detecting temperature of the inner container, the upper cover device is provided with a cover temperature detector for detecting temperature of the upper cover and a control device for controlling rice cooking; the control device comprises a main controller and a timer and a memory respectively connected with the main controller; the output terminals of the bottom temperature detector and the cover temperature detector are connected with the input terminal of the main controller, the output terminal of the main controller is electrically connected with the heating device. The rice-cooking control method of the invention at least comprises a first heating phase, a second heating phase and a first boiling phase; wherein in the second heating phase, heating temperature and heating time of the first boiling phase is determined by heating time of the first heating phase, so that moisture of small amount of rice can be fully evaporated and overflow can be prevented; in addition, early termination of heating due to abnormal conditions at the bottom of the inner container in the case of large amount of rice can be avoided, thus ensuring enough heating to ripen the rice.
Owner:MIDEA GRP CO LTD

Battery heat management equipment with efficient balanced radiating function and electric heating function

The invention discloses battery heat management equipment with an efficient balanced radiating function and an electric heating function. The battery heat management equipment comprises a radiating cooling device, an electric heating device and a temperature acquisition device, wherein a battery radiating device comprises a plurality of battery monomers, battery connecting pole pieces, insulating high heat conduction battery protection shells, a composite phase change material, a framework structure material for improving heat transfer and strength, heat pipes, a battery module box and heat pipe radiating fins; a battery electric heating device comprises the electric heating device and an electric heating controller; the electric heating device is embedded into the phase change material and connected with the electric heating controller; the temperature acquisition device comprises a thermocouple and a temperature acquirer; the thermocouple is arranged in a composite phase change material cooling module and transfers a sensed signal to the temperature acquirer; the temperature acquirer transfers the signal to a battery heat management equipment master controller; and the battery heat management equipment master controller is connected with the electric heating controller. According to the battery heat management equipment, a power battery is high in working performance, high in safety and long in cycle life.
Owner:GUANGDONG UNIV OF TECH

Automatic assembly production line of buzzers

The invention discloses an automatic assembly production line of buzzers, which comprises a feeding mechanism, a glue coating mechanism, a buzzer piece placing mechanism, a straight contact pin placing mechanism, a first thermoplastic pipe placing mechanism, an inclined contact pin placing mechanism, a second thermoplastic pipe placing mechanism, a thermoplastic pipe heat sealing mechanism, a contact pin welding mechanism, a dispensing mechanism, a curing mechanism and a detecting and sorting mechanism, which are sequentially arranged on a work table; the glue coating mechanism comprises an automatic shell locating mechanism located behind a glue applicator, and the automatic shell locating mechanism comprises a motor, a rotating jig, an optical fiber sensor, a motor base, a supporting plate and a sensor bracket; the optical fiber sensor is a reflective optical fiber sensor and is arranged to be aligned to the shell; and the optical fiber sensor is installed on the upper part of the sensor bracket, and the lower part of the optical fiber sensor is fixed to the side plate of the supporting plate. The automatic assembly production line disclosed by the invention has the advantages of smart design and simple structure, realizes high level automation, replaces the manual operation, reduces the cost of manpower and physical resources and improves the production efficiency of the assembly line.
Owner:CHANGZHOU MINGSEAL ROBOT TECH CO LTD

Cooking utensil

The invention discloses a cooking utensil. The cooking utensil comprises a pot body, a pot cover, an exhaust valve and an automatic exhaust driving device; the pot body comprises a pot shell and an inner pot arranged on the pot shell; the pot cover is detachably arranged on the pot body, the exhaust valve is movably arranged in an exhaust channel, the automatic exhaust driving device comprises anelectric driving unit, an exhaust push rod and a connecting component, the electric driving unit is arranged on the pot body, the exhaust push rod can be horizontally movably arranged in the pot shell, one end of the exhaust push rod is suitable for abutting against the peripheral wall of the exhaust valve so as to push the exhaust valve to move, the electric driving unit comprises a driving rod capable of doing reciprocating, a first magnetic material part is arranged on the driving rod, the exhaust push rod can be horizontally movably arranged in the pot cover, a second magnetic material part is arranged on the connecting component, when the electric driving unit is triggered, the driving rod moves so as to make the first magnetic material part cooperate with the second magnetic materialpart so as to drive the connecting component to move. The cooking utensil has the automatic exhaust function and is high in reliability.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD

High performance and energy-saving double-acting hydrostatic press driven by servo motor

The invention relates to a high performance and energy-saving double-acting hydrostatic press driven by a servo motor. The invention retains the rapid liquid-filling and direction control circuits in the common hydrostatic press, but uses a controllable hydraulic source composed of an AC servo motor and a quantitative oil pump to replace an uncontrollable hydraulic source driven by a common induction motor and combine with various sensors, and realizes the energy-saving pressure, position and speed control of the system under the control and regulation of the electrical motor; displacement sensors are added in a main cylinder and an auxiliary cylinder, a pressure sensor is added in the oil inlet line of the main cylinder, thus realizing the closed-loop control of position, speed and pressure; and a proportional relief valve is added at the oil outlet of the auxiliary cylinder, thus realizing variable blank holder force floating blank-holding of the auxiliary cylinder, wherein the electrical motor is the high-power AC servo motor, the electrical motor is connected with a controller, and the flow control and the volume velocity-governing and pressure-regulating of the main oil line can be realized by controlling the speed of the electrical motor. The invention completely uses the advantages of the high-power AC servo motor such as high efficiency, controllable performance, adjustable performance and good reliability to realize the optimization of process parameters, improve the hydrostatic press performance and reduce the energy consumption.
Owner:GUANGDONG UNIV OF TECH

Industrial robot motion planning and performance testing system and implementation method thereof

The invention relates to an industrial robot motion planning and performance testing system and an implementation method thereof. The system comprises a database module, a man-machine interaction module, a spray gun track planning module, an analysis and display module, a robot job instruction generation module and a communication and interface module, wherein the database module realizes storage of the spray gun track and the joint variable of the spraying robot as well as the spraying tasks; the man-machine interaction module realizes parameter input and control on other modules; the spray gun track planning module is used for planning a spray gun track for optimizing the spraying effect and working out the joint variable corresponding to the track on the premise of meeting all the limits; the analysis and display module simulates and analyzes the spraying process of the spraying robot; the robot job instruction generation module realizes the function of generating spraying robot job files; and the communication and interface module is used for importing spraying task data, and uploading and downloading job files. The invention has the advantages of high programming speed, high accuracy, complete functions and strong versatility, and can be used for scientific research in various types of robots and control on the actual spraying operating system.
Owner:GUANGDONG UNIV OF TECH

SOC-SOH joint on-line real-time estimation and on-line modification method

The invention discloses a SOC-SOH joint on-line real-time estimation and on-line modification method, the method comprises an SOC hardware pre-estimation module and a lithium battery equivalent-circuit parameter correction module, wherein the SOC hardware pre-estimation module utilizes a Hall current sensor to convert a heavy current signal into a low voltage signal, noise filtering is performed on the signal through a band-pass filter, the filtered signal is transmitted to an RC integrator to indirectly realize the integral for the current signal, and an integral signal acquired by an ADC is transmitted to an MCU chip to correct; the lithium battery equivalent-circuit parameter correction module comprises a square-wave pulse switch current source and a controllable electronic load, the square-wave pulse switch current source or the controllable electronic load is utilized to perform charge or discharge test on the lithium battery, the ADC is utilized to acquire terminal voltage of a battery pack, and according to the input response of charge or discharge curve, parameters of a battery equivalent model in a charge-discharge process are corrected. According to the invention, the method overcomes a circuit model parameter correction problem and realizes SOC-SOH real-time accurate on-line joint estimation.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY

Workpiece surface wiping device and workpiece surface wiping method

The invention provides a workpiece surface wiping device. An unwinding mechanism, a press roller and a winding mechanism are arranged in sequence in a mutual axial parallel manner. One end of a flexible cleaning object is wound on the unwinding mechanism while the other end of the same is wound on the winding mechanism after being wound on the press roller. A workpiece fixing mechanism is used for fixing a to-be-cleaned workpiece and arranged with the press roller at an interval, so that the flexible cleaning object wound on the press roller is located between the workpiece fixing mechanism and the press roller and clings to the press roller; the workpiece fixing mechanism is arranged movably relatively to the press roller, so that when the to-be-cleaned workpiece is fixed on the workpiece fixing mechanism, a to-be-cleaned surface of the workpiece is in contact with the flexible cleaning object wound on the press roller and moves relatively to the flexible cleaning object so as to contact with the flexible cleaning object wound on the press roller from one end to the other end successively. The invention further provides a workpiece surface wiping method. The workpiece surface wiping device is simple in structure, low in cost, small in occupied area, free of large amount of labor input, high in efficiency, good in cleaning effect and stable in workpiece quality, and can not cause scratch to the workpiece.
Owner:株式会社雷恩工业

Anti-falling protection device of elevator

The invention discloses an anti-falling protection device of an elevator. The device comprises a vertical acceleration sensor, a controller, a storage battery, fixed rails, fixing rods and retractable motors, wherein the vertical acceleration sensor is disposed on the top of an elevator car, the fixed rails are arranged on the two sides of an elevator shaft, the fixing rods and the retractable motors are arranged on the side walls of the elevator car, and the fixed rails are evenly provided with multiple fixing holes. The controller is connected with the vertical acceleration sensor, the storage battery and the retractable motors, each retractable motor is connected with one end of the corresponding fixing rod, and the other end of each fixing rod corresponds to the corresponding fixing hole in the corresponding fixed rail in position. The two sides of the elevator shaft are provided with the fixed rails and the fixing rods, so that falling of the elevator can be prevented to some extent when the elevator is overweight and descends. Meanwhile, the vertical acceleration sensor is arranged so as to precisely detect the descending speed and the ascending speed of the elevator, operation of the elevator is better detected, operation safety of the elevator is increased, and the anti-falling protection device is worth popularization.
Owner:JIANGSU MONTMERY ELEVATOR

Electric automobile and grid interacted and coordinated orderly charging control method

The invention discloses an electric automobile and grid interacted and coordinated orderly charging control method. Multi-level multi-object control strategies are adopted, and electric automobile orderly charging and charging and discharging control strategies are divided into multiple levels according to different control main bodies and control objects. When an electric automobile is under the control of a plurality of main bodies to realize the control object at each level, each level is constrained by the control objects at an upper level and a lower level. When all control levels exist at the same time, the control ranges and the control objects of all levels have a mutually constrained relationship. The orderly charging control method disclosed by the invention can realize electric automobile orderly charging and grid interaction, reduce the adverse influence of the electric automobile to the grid and can promote the popularization and application of electric automobile charging facilities by supporting the operation of the grid by using the charging flexibility and adjustability features and the energy storage capacity of the electric automobile. The method is simple to operate, is convenient to manage, has excellent performance and is convenient and practical to use for electric automobile and grid interacted and coordinated orderly charging control.
Owner:XJ ELECTRIC +1

Cooling water channel structure for motor casing

The invention relates to a cooling water channel structure for a motor casing, comprising an inner motor casing and an outer motor casing, wherein the outer motor casing is hermetically sleeved on the inner motor casing so as to form a cooling channel between the inner motor casing and the outer motor casing, the outer motor casing is provided with a cooling liquid inlet and a cooling liquid outlet, the cooling liquid inlet is communicated with the cooling liquid outlet through the cooling channel, and preferably, the cooling channel is provided with a plurality of reinforcing ribs so as to guide the flow direction of a cooling liquid; and the cooling water channel structure for the motor casing further comprises a first sealing ring, a second sealing ring, a stopping and limiting part, a cooling liquid source and a power source, wherein the first sealing ring and the second sealing ring are used for sealing the outer motor casing and the inner motor casing, and the stopping and limiting part is arranged on the inner motor casing and used for stopping and limiting the outer motor casing. The cooling water channel structure for the motor casing in the invention has the characteristics of skillful structural design as well as simple and novel structure, can rapidly radiate heat for a motor so as to solve the problem on motor heat radiation, improve motor performance and finally improve the efficiency and prolong the service life of the motor, and is suitable for large-scale popularization and application.
Owner:SHANGHAI ZHONGKE SHENJIANG ELECTRIC VEHICLE

On-line detection system and detection method of machining accuracy of parts for numerically controlled lathe

ActiveCN102785128AImprove the efficiency of machining accuracy detectionSimple and fast operationProgramme controlComputer controlCommunication interfaceMachine parts
The invention relates to an on-line detection system and detection method of machining accuracy of parts for a numerically controlled lathe. The detection system comprises a chuck, a workpiece and a lathe probe, wherein the workpiece is arranged on the chuck, and the lathe probe is arranged at the side of the workpiece; and a signal output terminal of the lathe probe is connected with a controller of the detection system. The detection method comprises the following steps that 1) the lathe probe is arranged at the side of the workpiece; 2) the lathe probe is calibrated; 3) the measuring path and code generation of geometrical parts and curved-surface parts are planned; and 4) the heat distortion temperature error compensation and machining error analysis of parts are carried out by the controller of the detection system. The parts do not need to leave the lathe after being machined, a touch probe is used for replacing a turning tool, and the detection path of the probe is automatically planned and the detection code is generated according to the geometric outline and detection items of the machined workpiece; and through a communication interface of the numerically controlled lathe, the detection code is driven, so that the automatic measurement of the size and precision of size and form of the machined part is realized, and the detection accuracy and efficiency of the workpiece are improved.
Owner:GUANGDONG UNIV OF TECH

Automatic agricultural chemicals mixer with variable atomization

The invention relates to an automatic medicine-mixing device, in particular to a variable spray medicine-mixing device that medicine and water are stored independently, and spray concentration can be changed in real time. The automatic medicine-mixing device comprises a water tank (1) used for storing water, a one way valve (2) used for preventing liquid medicine from flowing backwards to the water tank (1), a main flowmeter (3) used for detecting the flow rate of water, a medicine mixing chamber (7) used for mixing water with agricultural chemical, a water pump (8) used for supplying energy required for spraying, a plurality of liquid medicine measuring mechanisms (A) and a plurality of medicine spraying mechanisms (B), wherein, the water tank (1) is communicated with the inlet of the medicine mixing chamber (7) by the one way valve (2), the main flowmeter (3) and a pipeline; the liquid medicine outlets of a plurality of liquid medicine measuring mechanisms (A) are communicated with the inlet of the medicine mixing chamber (7); the outlet of the medicine mixing chamber (7) is communicated with the liquid medicine inlets of a plurality of medicine spraying mechanisms (B) by the water pump (8) and a connecting pipe (11). The automatic medicine-mixing device of the invention realizes that the medicine and the water are stored independently, the spray liquid medicine concentration can be controlled in real time, and one kind of medicine or multiple kinds of medicines can be sprayed separately or synchronously.
Owner:SOUTH CHINA AGRI UNIV

Nonstick cookware and manufacturing method thereof

The invention discloses nonstick cookware and a manufacturing method thereof, wherein the inner surface of the pot body of the nonstick cookware is provided with an uneven raised structure; a grain structure is distributed on the raised structure; and a nonstick coating covers outside the raised structure and the grain structure. The manufacturing method of the cookware comprises the following steps of: (1) forming the pot body of the cookware; (2) carrying out inner surface treatment on the pot body of the cookware to ensure that the uneven raised structure is formed at the inner surface of the pot body of the cookware; (3) carrying out meltallizing treatment on the cookware blank after being subjected to the roughening treatment to ensure that nanoscale hard metal-based or nonmetal-based grain structure is distributed on the raised structure of the pot body of the cookware; (4) spraying nonstick coatings on the inner surface of the pot body of the cookware after being subjected to the meltallizing treatment to ensure that the nonstick coating covers outside the raised structure and the grain structure; and (5) putting in a sintering channel at a temperature of 350-440 DEG C after the spraying to sinter for 5-20 minutes so as to obtain a finished product. The nonstick cookware disclosed by the invention is good in nonstick effect and abrasive resistance, simple in manufacturing process and suitable for large scale production.
Owner:谛卓(北京)咨询顾问有限公司

Large-capacity battery converter and control method thereof

The invention discloses a large-capacity battery converter and control method thereof. The converter of the invention comprises several branch single stage type DC/AC converter modules parallel to one another. Each battery cluster (Battery Cluster BC) converges energy to an AC bus via each branch single stage type DC/AC converter module to be transformed in voltage in order to connect to an AC grid or to operate independently with load. The invention solves the circular current and uniform current problems brought by serial and parallel connection of the battery cluster, and adopts the technology of module combination and alternate balance to effectively improve the system efficiency under low power and power quality at the AC and DC sides and to realize balanced use of the battery cluster. Each battery branch can conduct intelligent charge and discharge management and the control function and the protection function are configured independently to ensure the largest availability of the system. The invention has simple structure, small volume, small energy loss, easy modularization, high reliability, small output harmonic wave, good system expansibility and low requirement to insulating ability of the converter and can operate with reduced capacity when the unit is in failure. The control method of the large-capacity battery converter of the invention is convenient and simple in operation and easy in realization.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD

Flexible fixture device and operation method thereof

The invention provides a flexible fixture device and an operation method thereof. The device comprises a root pre-tightening block, an adjustable fixture block, an adjustable fixture support, a clamping block, a base and a clamping fixed piece, wherein the root pre-tightening block and the adjustable fixture support are fixed on two sides of the base respectively through a position regulating mechanism thereon; the clamping block is fixed on the adjustable fixture support through a position regulating mechanism thereon; the adjustable fixture block is hinged on the adjustable fixture support; the root pre-tightening block and / or the adjustable fixture block are / is provided with through holes back and forth respectively; and the through holes are inserted into the clamping fixed piece which performs flexible clamping on the surfaces of processed parts, ensures that the processed parts can obtain effective and even clamping force, and prevents the loosening and shifting during processing. Because the adjustable clamping block and clamping screws are adopted to clamp and position the roots and planes of vanes respectively, the reliable positioning of the vanes is ensured during processing, and shifting is avoided. The whole fixture device has simple structure, reliability, durability and simple operation, and provides good basis for processing and repairing vane parts in high quality.
Owner:GUANGDONG UNIV OF TECH

Method and system for supervising clothing production based on radio frequency identification (RFID) technology

The invention discloses a method for supervising clothing production based on a radio frequency identification (RFID) technology. The method comprises the following steps of: 1, setting a clothing production line; 2, preparing RFID equipment; and 3, installing the RFID equipment. The invention also discloses a system for implementing the method. By the method provided by the invention, clothing production operating information can be supervised quickly and accurately in real time. The system provided by the invention is simple in structure and smart in design. By adoption of the RFID technology, the conventional paper work ticket is replaced by an electronic RFID tag, and the RFID tag is arranged on each clothing product; every time when the clothing product finishes a process, an RFID data acquisition terminal in the corresponding process automatically sends the operating information of the process to an information management server; the production data of clothing in a certain process is collected in real time; an effect of supervising the clothing production is achieved; and the production efficiency and decision management capacity of an enterprise are effectively improved.
Owner:DONGGUAN KEDA COMP SYST ENG

Built-in type 4 axis sport controller

The invention discloses an embedded four-axis motion controller which comprises a main controller and a motion control module. An output of the main controller is connected with the motion control module through an output interface, and the motion control module is respectively connected with an X-axis motion component, a Y-axis motion component, a Z-axis motion component, and a U-axis motion component. The controller of the invention adopts an S3C44BOX chip based on an ARM7TDMI core which is promoted by the Samsung company as the main controller, adopts a motion control chip MCX314As which is specially used by the NOVA company in Japan as an interpolate controller, adopts a PC104 bus interface with strong insertion ability, combines the embedded CPU with a special DSP motion control chip, embeds the motion control function in the framework of the ARM main control plate with a PC 104 function module method, cuts off the equipment that is not in need, has a plurality of functions and saves the cost. The invention is an independent motion controller which can be separated from a host computer and is characterized by strong computing ability and low cost, thereby extremely reducing the size of the system, lowering the power consumption, and improving the reliability and the openness of the system.
Owner:GUANGDONG UNIV OF TECH

System for distributing loads among plants of cascade hydropower stations in real time and implementation method of system

The invention discloses a system for distributing loads among plants of cascade hydropower stations in real time and an implementation method of the system and mainly solves the problem that under the situation that a total power generation load instruction fluctuates frequently, the water level of a counter regulation power station reservoir cannot be controlled effectively to realize real-time coordinated operation of a cascade hydropower station group in the prior art. The system comprises a strategy library, a database server, a monitoring module, a strategy and model calculating module, a data transmission module, a fault alarm processing module and a prediction calculating module, wherein the prediction calculating module, the fault alarm processing module, the strategy and model calculating module and the data transmission module are respectively connected with the monitoring module. The strategy library is connected with the strategy and model calculating module. The database server is connected with the data transmission module. The system has the advantages that later effects of real-time distribution results of the loads among plants are considered, effectively scheduling of the cascade hydropower station group is achieved, and high practical and popularization values are achieved.
Owner:SICHUAN UNIV

Whole vehicle heat management system of integrated indirect heat pump for electric vehicle

The invention provides a whole vehicle heat management system of an integrated indirect heat pump for an electric vehicle. The whole vehicle heat management system comprises a refrigerant loop, a battery pack liquid cooling loop, a motor heat dissipation loop and a passenger compartment heating cooling liquid loop. The following functions are further achieved: battery cooling is conducted while apassenger compartment heat pump conducts heating and dehumidification, a battery is heated through the indirect heat pump, the passenger compartment and the battery are heated through the indirect heat pump simultaneously, and heat of the battery, a motor and a vehicle-mounted power component is recovered to the passenger compartment heat pump for heating. According to the whole vehicle heat management system, the heat productivity of the motor and the vehicle-mounted power component is fully utilized to provide heat for a heat pump system, and thus the heat efficiency of a whole vehicle is improved; and under the low-temperature condition of -10-0 DEG C, the indirect heat pump is adopted to supply heat to the battery, and thus the heating power consumption is reduced.
Owner:泰铂(上海)环保科技股份有限公司
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