Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

71results about How to "Realize simultaneous control" patented technology

Method and system for controlling air conditioner

The invention provides a method and system for controlling an air conditioner. The method is applied to the control system which is connected with at least one set of air-conditioning equipment, and each set of air-conditioning equipment comprises at least one indoor unit and at least one outdoor unit, wherein at least one sensing detection device is arranged on each indoor unit. The method comprises the following steps of: acquiring at least one piece of first parameter information which is detected by at least one sensing detection device on the at least one indoor unit; processing the first parameter information to acquire a first processing result; generating one or more control instructions according to the first processing result; and transmitting the one or more control instructions to one or more in the at least one set of air-conditioning equipment to be executed. By the method and the system, the automatic control of the air-conditioning equipment is realized, the operating procedures of an air conditioner are reduced, the intellectualization of the air-conditioning equipment is further improved, and the experience degree of a user is boosted.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Intelligent door control system for rail train doors

The invention relates to an intelligent door control system for rail train doors. A door control system network composed of fieldbuses is arranged between the train top bus and the train door system. The door control system network comprises gateway modules, node modules and a CAN bus, wherein each gateway module is connected with the train top bus, and used for receiving a control signal transmitted by the train top bus and converting the control signal into a CAN bus signal which can be identified by the node modules; and each node module transmits the CAN bus signal to a motor drive modulein the train door system in a CAN communication mode; and the motor drive modules drive the train doors to move. One gateway module corresponds to one set of node modules, the same number of node modules, and the same number of train doors. The door control system network is also provided with an independent monitoring diagnostic module, and a reserved overhaul interface on the monitoring diagnostic module is used for overhauling the door control system by running maintenance software.
Owner:SOUTHEAST UNIV

System-on-chip driver of high-subdivision multi-path stepping motor

The invention relates to a system-on-chip drive of a high-subdivision multi-path stepping motor, belonging to the field of motor control and solving the problems that the traditional stepping motor has the defects of low-frequency oscillation and poor high-frequency output and can not meet the requirement that a plurality of stepping motors work simultaneously and coordinately. The output end of a dial-up switch is connected with the input end of an FPGA main control circuit, the FPGA (Field Programmable Gata Array) main control circuit is provided with n paths of motor output ports, each path of motor output port is connected with the input end of an optical coupler isolation circuit, the output end of the optical coupler isolation circuit is connected with the input end of a drive circuit, the output end of the drive circuit is connected with the input end of a three-phase inversion bridge, three output ends of the three-phase inversion bridge are respectively a three-phase drive current output end of the motor, three current mutual inductors are respectively used for acquiring output currents of three output ends of the three-phase inversion bridge, a phase current signal of the stepping motor, acquired from each current mutual inductor, is output to an overcurrent protection circuit, and the output end of the overcurrent protection circuit is connected with the overcurrent control input end of the drive circuit.
Owner:HARBIN INST OF TECH

Two-dimensional cursor movement control system and method based on motor imagery and coded modulation visual evoked potential

The invention discloses a two-dimensional cursor movement control system and method based on motor imagery and coded modulation visual evoked potential. The system comprises an electrode cap, an electroencephalography acquisition instrument, a system control unit, a data processing module, a cursor control module and a visual stimulator, wherein the visual stimulator is provided for a user in an interface display way. The method comprises the following steps that: the user simultaneously executes a motor imagery task and a visual attention task according to a work interface instruction; the electrode cap collects an electroencephalography signal; the electroencephalography acquisition instrument carries out amplification, filtering and analog-digital conversion on the electroencephalography signal; the system control unit separates the electroencephalography data generated by the motor imagery and the visual attention, and then, the electroencephalography data is stored; the data processing module carries out preprocessing, feature extraction and classification identification on two classes of electroencephalography data in sequence; and the cursor control module controls a cursor to carry out continuous two-dimensional movement according to classification identification. The system has the advantages of being high in control accuracy, good in robustness and the like, the continuous movement of a two-dimensional cursor can be realized, and the system can be used for the movement control of a computer mouse.
Owner:NANCHANG UNIV

Intelligent household system and data processing and background control service method thereof

InactiveCN105093943ASave access bandwidthRealize instant operationComputer controlTotal factory controlTime controlCloud server
The invention provides an intelligent household system and a data processing and background control service method thereof. The intelligent household system comprises a router, a real time control and configuration end device, at least one controlled intelligent device, a gateway apparatus, a cloud server and a local data processing center apparatus. The local data processing center apparatus detects devices which access the local network, and sets log data for the devices respectively, and analyzes various log data of the real time control and configuration end device, and controls the controlled intelligent device; and the log data of the real time control and configuration end devices of the same type are shared mutually, and the backup data in the cloud server are updated in real time. The intelligent household system and the data processing and background control service method thereof can save the access bandwidth of the server, and can store the data, related with families, stored in the cloud server in the local data processing center apparatus; and the local data processing center apparatus provides user data service and data support without requirement for accessing the cloud server, thus saving the access bandwidth of the cloud server.
Owner:深圳市艾瑟网络技术有限公司

Photovoltaic inverter control method under condition of asymmetrical voltage sag

The invention discloses a photovoltaic inverter control method under the condition of asymmetrical voltage sag and belongs to the technical field of photovoltaic power generation control. The method comprises steps of building a photovoltaic array model according to a photovoltaic cell teaching model and engineering practical cell parameters, extracting positive and negative sequence components of network voltage, calculating a reference value of output current on the basis of a flexible active and reactive control (FARC) strategy and analyzing an inverter output?power fluctuation?rate and an output current?harmonic total distortion rate on the basis of the FARC strategy, and using a proportional?resonant (PR) controller in a static coordinate system to design a grid-connected current control structure. PSCAD / EMTDC software is used for building a corresponding simulation?model. Grid-connected control and good dynamic performances can be realized whether under the symmetrical voltage condition or the asymmetrical voltage condition. The method has the advantages that grid-connected current control on the photovoltaic inverter under the condition of asymmetrical voltage sag can be effectively realized, the output?power fluctuation?rate and the output current?total harmonic distortion rate are smaller than those when other control strategies are adopted, and an asymmetrical fault ride-through capability of a photovoltaic plant can be improved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Active and passive integrated vibration isolation device and vibration isolation platform

ActiveCN105129112AVibration amplificationOvercoming the small amplitude of micro-vibrationSpacecraft guiding apparatusVibration accelerationControl system
The invention discloses an active and passive integrated vibration isolation device and a vibration isolation platform. The vibration isolation device comprises an elastic plane net structure, an active electromagnetic dynamic vibration absorber, and a piezoelectric stack actuator. The elastic plane net structure is formed by weaving steel wires in a tensioning and crossed manner. The active electromagnetic dynamic vibration absorber is arranged on the intersection of a central region of the elastic plane net structure. The piezoelectric stack actuator is arranged on the edge position of the elastic plane net structure. The vibration isolation platform comprises the vibration isolation device, a bearing cylinder, an intermediate support, and a control system. A satellite attitude control device assembly is arranged on the intermediate support. The intermediate support is installed on the vibration isolation device. The vibration isolation device is installed on the inner side of the bearing cylinder. The control system is used to control the active electromagnetic dynamic vibration absorber according to vibration acceleration information of the intermediate support, and control the piezoelectric stack actuator according to the vibration acceleration information of the bearing cylinder. The vibration isolation device and the vibration isolation platform are effective for low-frequency line spectrum, and have good control effect on broadband random excitation.
Owner:SHANGHAI JIAO TONG UNIV

Television interface system for interaction television

The invention discloses a television interface system for an interaction television. The television interface system comprises a television (101), a set top box (102), a uniform remote controller (103) and connection equipment (104) and is characterized in that the set top box (102) is connected with the television (101) through the connection equipment (104), control programs on the television can be achieved in the set top box, and the set top box and the television can be controlled simultaneously through the uniform remote controller (103). The television interface system for the interaction television uses a recommend standard 232 (RS232) serial port and a high-definition multimedia interface (HDMI) which are arranged between the television and the set top box and the set top box to control the television. The set top box and the television can be integrally controlled through the remote controller only.
Owner:安美世纪(北京)科技有限公司

Air conditioner control method, air conditioner and air conditioner system

The invention discloses an air conditioner which comprises a shell body, wherein the shell body comprises an air inlet, an air outlet, an air duct connecting the air inlet and the air outlet as well as a heat exchanger and a fan disposed inside the aid duct, wherein the air conditioner is bound to multiple pieces of wearable equipment. The air conditioner also comprises a receiver and a control device, wherein the receiver is used to receive signals sent by the multiple pieces of wearable equipment; and the control device is used to obtain a control strategy corresponding to each of the wearable equipment when the signals sent by the multiple pieces of wearable equipment are received, realizes weighted average of the control strategy corresponding to each of the wearable equipment to obtain a new control strategy, and then controls operation of the air conditioner according to the new control strategy. The invention also discloses an air conditioner control method and an air conditioner system. The air conditioner control method, the air conditioner and the air conditioner system provided by the invention realize simultaneous control of the air conditioner based on the wearable equipment.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Single lamp-based city street lam rapid scene control method, controller and system

The invention relates to a single lamp-based city street lam rapid scene control method, a controller and a system, for realizing optimal matching of lighting energy saving and lighting demands. The single lamp-based city street lam rapid scene control method comprises the steps of: allocating a logic address for a control terminal by an integrated controller; generating a request data packet according to a preset strategy of a monitoring center, sending to a control terminal, and indicating the control terminal to control a lamp node corresponding to the logic address. The invention can rapidly realize rapid control and switching of different lighting combinations, and is simple in operation; a lamp node combination is flexibly controlled according to actual demands, thus simultaneous control of different states of lamp nodes in all regions or selected groups is realized; meanwhile, a data packet protocol structure is flexible, and more lamp nodes are simultaneously controlled through a mode of expanding a byte placeholder.
Owner:SHENZHEN ZHIYE TECH

Control device and control method of hydraulic vibration active isolation platform

InactiveCN102163042ARealize vibration isolation functionEfficiently provideSimulator controlSignal conditioningData acquisition
The invention provides a control device and a control method of a hydraulic vibration active isolation platform. The control device comprises a control computer, an A / D (analog / digital) data process card A, an A / D data process card B, a D / A (digital / analog) data process card, a signal modulator A, a signal modulator B, a power amplifier, an acceleration sensor A, an acceleration sensor B and a displacement sensor, wherein one acceleration sensor A, one acceleration sensor B and one displacement sensor are mounted on each hydraulic active operation rod of the hydraulic vibration active isolation platform; the acceleration sensor A is mounted on the top part of an inner cylinder of the hydraulic active operation rod; and the acceleration sensor B is mounted on the top part of an external cylinder of the hydraulic active operation rod. The control device has strong expanding property; types and number of the data collecting cards are increased by modifying a control module; a plurality of similar vibration isolation platforms are conveniently and simultaneously controlled; and vibration isolation functions of the platform are realized under the environments of large amplitude, low frequency and heavy load.
Owner:BEIHANG UNIV

Control method and system of permanent magnet synchronous motor

The present invention discloses a control method and a system of a permanent magnet synchronous motor. The method comprises the steps of conducting the closed-loop control and outputting a q-axis given current according to a received given torque and a feedback torque, and calculating to obtain a d-axis optimal current according to the q-axis given current; correcting the q-axis given current and the d-axis optimal current, and conducting the closed-loop control to obtain a q-axis given flux linkage, a d-axis given flux linkage, a q-axis given current and a d-axis given current based on the corrected q-axis given current, the corrected d-axis optimal current and a corresponding feedback current; according to the given flux linkages, the given currents and a corresponding feedback flux linkage, calculating a q-axis output voltage and a d-axis output voltage; according to the q-axis output voltage and the d-axis output voltage, calculating to obtain a corresponding switch pulse by using the SVPWM control method, and sending the switch pulse to a corresponding inverter. According to the technical scheme of the invention, the current control and direct torque control are combined together, so that the torque and the current are controlled at the same time. Therefore, all disadvantages during the conventional direct torque control method can be solved.
Owner:CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST

Channel switching method and system, intelligent terminal and controller

The embodiment of the invention provides a channel switching method. The channel switching method includes the steps that a channel list of video signal input equipment and infrared codes corresponding to all channels in the channel list are acquired; according to a received channel switching signal, the target infrared code corresponding to the channel switching signal is determined; the target infrared code is sent to a controller so that the controller can send the target infrared code to the video signal input equipment to achieve channel switching. The invention further provides a channel switching system, an intelligent terminal and the controller. By means of the method and the system, the controller can control the video display terminal and the video signal input equipment at the same time, the number of controllers is reduced, operation of a user is simplified, and the user experience is improved.
Owner:LETV HLDG BEIJING CO LTD +1

Bias voltage control method based on double parallel Mach-Zehnder modulator

The invention discloses a bias control method based on a double-parallel Mach-Zehnder modulator, and relates to the field of microwave photonics, optical fiber sensing or optical communication. According to the invention, low-frequency disturbance voltage with a fixed frequency is applied to three bias voltage control ends of the DPMZM; a modulator output signal is fed back to a bias control module by selecting a certain proportion, and after the signal is processed by hardware circuits such as photoelectric conversion, filtering, amplification, sampling and the like, the bias point voltage ofa branch corresponding to the DPMZM is calculated by a bias point control algorithm in the MCU. The bias point voltage and different-frequency disturbance signals of which the three fundamental wavesand the second harmonic waves are not overlapped are superposed and input to a DPMZM bias voltage control port. The three control ports use disturbance voltages with different frequencies, so that feedback information of the control ports is separated in a frequency domain, independent closed-loop control of the three control ports is realized, voltages of three bias points of the DPMZM are adjusted at the same time, and stable control of the DPMZM on any bias point is realized.
Owner:BEIJING UNIV OF TECH

Flash detection control device, electronic equipment comprising same and system

The invention discloses a flash detection control device. The device is applied to a power supply circuit of electric equipment. The device comprises a detection circuit, a control circuit and a driving circuit. The detection circuit is used for detecting a flash signal in the power supply circuit and generating a detection signal. The control circuit is used for receiving the detection signal andan external wireless control signal and controlling the state transition of electric equipment through the driving circuit based on the detection signal or the external wireless control signal. The invention further discloses electronic equipment and a system comprising the device. According to the invention, the electric equipment is controlled by detecting the flash signal. Meanwhile, the powersupply of the wireless control circuit is not influenced at all. The control of the electric equipment by an entity switch and a wireless signal is realized at the same time.
Owner:QINGDAO YEELINK INFORMATION TECH

GZG-HT photovoltaic automatic tracking system

The invention provides a GZG-HT photovoltaic automatic tracking system. The system comprises a controller, one set of sensors and multiple sets of driving devices, and the controller is provided with the sensors and controls motion of the driving devices simultaneously; the system further comprises transmission devices arranged above the corresponding driving devices and multiple independent photovoltaic tracking subsystems. According to the GZG-HT photovoltaic automatic tracking system, photovoltaic modules automatically rotate and track sunlight in the latitudinal direction and are manually adjusted according to season changes in the longitudinal direction, the single controller is connected to the peripheral photovoltaic tracking subsystems simultaneously in a controlling mode, and linkage control is achieved. Meanwhile, an agriculture and light complementary photovoltaic power generation mode achieving photovoltaic power generation on the upper portion and agricultural planting on the lower portion is established, power generation units achieve bidirectional tracking in the latitudinal direction and the longitudinal direction, and large-scale cultivation of crops under frames is achieved. Compared with a traditional fixing mode, by means of the photovoltaic power generation mode, the light energy transforming rate and crop yield can be greatly increased, multiple purposes of one field are achieved, the income of farmers is increased, the benefits of enterprises are increased, the tax income of the government is increased, and the benefit of environment is increased.
Owner:陕西航泰电气股份有限公司

Multi-stage single-dual-control flow regulation switch valve

The invention discloses a multi-stage single-dual-control flow regulation switch valve. The multi-stage single-dual-control flow regulation switch valve comprises a valve body and a shunting valve core, wherein the valve body is provided with a water inlet and at least two water outlets, and the shunting valve core is arranged in the valve body. The multi-stage single-dual-control flow regulation switch valve is characterized by further comprising a pressing assembly, flow regulation assemblies and multi-stage switching structures, wherein the pressing assembly is arranged in the valve body, is connected with the shunting valve core, and is used for driving the shunting valve core to switch the water inlet to communicate with any effluent water; the flow regulation assemblies are arranged in the valve body; the multi-stage switching structures are used for connection and cooperation between the pressing assembly and the flow regulation assemblies; each of the multi-stage switching structures comprises a regulation member and a linkage part which are matched with the flow regulation assemblies, and besides, height difference is formed between the regulation members; the linkage parts are shaped in the pressing assembly. The multi-stage single-dual-control flow regulation switch valve provided by the invention is simple in structure and easy to realize, and not only realizes the functions of a conventional pressing switch, but also can have flow regulation functions, and besides, the flow regulation functions can be in discretionary combination and use.
Owner:FUJIAN XIHE SANITARY WARE TECH

Dual-band weather radar observation control method and system

Embodiments of the invention provide a dual-band weather radar observation control method and system. A first trigger pulse is sent to a Ka-band transceiver in a dual-band weather radar; a second trigger pulse is sent to an X-band transceiver; a third trigger pulse is sent to a digital acquisition and storage device, so that simultaneous control of the ka-band transceiver, the X-band transceiver and the digital acquisition and storage device is realized. After a first sampling result and a second sampling result are obtained by the digital acquisition and storage device, a first control instruction is sent to a DSP board card, so that the DSP board card is controlled. The trigger pulses and the control instruction are sent to the ka-band transceiver, the x-band transceiver, the digital acquisition and storage device and the DSP board card in sequence, so that the ka-band transceiver, the x-band transceiver, the digital acquisition and storage device and the DSP board card are matched mutually to jointly complete observation work of the dual-band weather radar to obtain weather data.
Owner:QINGHAI UNIVERSITY

Centralized control apparatus of multimedia device cluster

The invention discloses a centralized control apparatus of a multimedia device cluster. The centralized control apparatus comprises: a processor, and a communication module, an interface chip, a memory and a display, which are respectively connected with the processor; the communication module is connected with an external wireless device through a communication interface, and the interface chip comprises multiple serial interfaces that are respectively connected with external devices; the memory is used for storing data, and the display is used for displaying the states of the external devices connected to different serial interfaces. Through the technical scheme of the invention, each port can independently configure the model number of the connected device, and can judge the state of the controlled device, so as to perform effective processing and achieve the simultaneous control of multiple multimedia devices.
Owner:大庆思特传媒科技有限公司

Internet of things wall switch

The invention discloses an internet of things wall switch, and aims at controlling the working states of electric appliances. The internet of things wall switch comprises a micro processing chip, a radio frequency module, an infrared module and a program module, wherein the radio frequency module is provided with a radio frequency transmission sub-module and a radio frequency reception sub-module,and is electrically connected with the micro processing chip; the infrared module is provided with an infrared transmission sub-module and an infrared reception sub-module, and is electrically connected with the micro processing chip; and the program module is executed by the micro processing chip through the following steps of enabling a user to transmit an infrared signal carrying control information, enabling the micro processing chip to receive the infrared signal transmitted by the user through the infrared module, enabling the micro processing chip to extract the control information from the infrared signal, and enabling the micro processing chip to control the states of one or more electric appliances through a radio frequency communication module according to the control information. The internet of things wall switch is compatible with an infrared control manner and a radio frequency control manner, and is capable of realizing the synchronous control for a plurality of electric appliances through one remote control.
Owner:荣高平

Pull-type display structure suitable for flexible scroll screen and electronic equipment

PendingCN114125107AEasy to operateRealize staying at any positionTelephone set constructionsElectric machineryEngineering
The invention provides a flexible scroll screen pulling type display structure and electronic equipment, the flexible scroll screen pulling type display structure comprises a flexible screen, a shell assembly, an under-screen supporting assembly and a transmission assembly, the shell assembly comprises a fixed shell and a movable shell which are in sliding connection, the movable shell moves relative to the fixed shell, and the under-screen supporting assembly is installed in the shell assembly; the transmission assembly is arranged in the fixed shell and comprises an upper rack and a lower rack which move in opposite directions, a stainless steel band of which one end is fixed on the upper rack and the other end winds the transmission assembly and is fixed on the lower rack, and a stepping motor for controlling the upper rack and the lower rack to move; and the flexible screen covers the stainless steel bands of the shell assembly, the under-screen supporting assembly and the transmission assembly. According to the scheme, the purpose of opening and closing the flexible screen display equipment is achieved through the linkage relation between the transmission assembly and the flexible screen, switching of the large screen and the small screen of a user is achieved, operation is easy and convenient, the requirement of the user for the large-size screen is met, meanwhile, carrying is convenient, and the user experience degree is improved.
Owner:成都拓米电子装备制造有限公司

Control device and pneumatic system

The embodiment of the invention discloses a control device. A manual changeover valve is additionally arranged between a control valve and air cylinders of a plurality of pneumatic valves, secondary changeover can be conducted to air ways of the air cylinders of the plurality of pneumatic valves through the manual changeover valve in the on state of the pneumatic valve so as to realize the simultaneous control on the air cylinders of the plurality of pneumatic valves, one or more valves can be separately switched off without the need of switching off all the valves or stopping a system when a part of technological pipeline does not work. Compared with the prior art, according to the control device, the manual changeover valve is not required from being additionally arranged and electromagnetic valves are not separately used, so that the arrangement of a control line using a control coil to work can be avoided while the usage amount of coils can be reduced, therefore the cost can be lowered. The embodiment of the invention further discloses a pneumatic system.
Owner:CHINA RESOURCES POWER HENAN SHOUYANGSHAN

A Rotary Valve for Large Oxygen Concentrator

The invention discloses a rotary valve for a large oxygenerator. The rotary valve comprises a stationary sheet, a movable sheet, springs and a transmission sheet which are assembled on a motor shaft. A silencing hood covers the outer side; a proximity switch is fixedly arranged on the side face of the silencing hood; an iron sheet is correspondingly arranged on the movable sheet; an air inlet hole, an air inlet control hole A, an air inlet control hole B, an exhaust control hole A, an exhaust control hole B and two balancing control holes are formed in the stationary sheet, wherein openings at one ends communicate with the upper surface of the stationary sheet; an air inlet channel, an exhaust channel and a balancing channel which are connected one another are arranged on the movable sheet; the balancing channel communicates with an air inlet groove; the air inlet hole communicates in the air inlet groove; the air inlet channel, the exhaust channel and the balancing channel are arranged when the movable sheet rotates to different positions, so that when the air inlet control hole A / the air inlet control hole B is connected to the air inlet channel, only the exhaust control hole B / the exhaust control hole A is connected to the exhaust channel, and when the air inlet control hole A and the air inlet control hole B are connected to the air inlet channel at the same time, only one of the balancing control holes is connected to the balancing channel.
Owner:山东美迪宇能医疗科技有限公司

Multi-loop ampere hour total metering instrument and electroplating control system and method

InactiveCN110161306ATroubleshooting Ampere-Hour CalculationsRealize simultaneous controlCellsElectrical measurementsControl systemEngineering
The invention relates to a multi-loop ampere hour total metering instrument. The instrument comprises a plurality of signal isolation converters, a multi-loop meter, and an ampere hour meter. Each signal isolation converter is used for respectively collecting corresponding current signals, isolating and converting the current signals into standard analog quantity signals and outputting the standard analog quantity signals; the multi-loop meter is connected with the signal isolation converters and is used for calculating the sum of currents in each conversion path based on each standard analogsignal; the ampere hour meter is connected to the multi-loop meter, and the ampere hour meter is used for calculating ampere hour accumulation based on the sum of currents in each conversion path. Theinvention also relates to an electroplating control system and method based on the multi-loop ampere hour total metering instrument. The invention solves the problem of multi-loop ampere hour calculation, and can realize the simultaneous control of multiple plating baths when being applied to the electroplating industry, thereby improving the automation level.
Owner:SUZHOU SURPON INSTR CO LTD

Programmable-control four-channel valve device and using method thereof

The invention provides a programmable-control four-channel valve device and a using method thereof, and relates to the field of automatic control valves for controlling fluid valves. By adoption of the programmable-control four-channel valve device and the using method thereof, the problems that internal leakage and external leakage happen to an existing pneumatic valve and an existing electric valve, the utilization rate of an execution element is low, and an electromagnetic valve can only achieve control over opening and closing and cannot be used for adjusting the opening degree are solved. The programmable-control four-channel valve device is composed of a stepping motor, an elastic coupling, a motor support, a mounting base, a base, a cam mechanism, a first driven mechanism, a second driven mechanism, two hose fixing frames, eight hose connectors, a first channel hose, a second channel hose, a third channel hose, a fourth channel hose and a PLC. The using method of the programmable-control four-channel valve device comprises the first step of control over the on-off state of a first channel and a second channel, the second step of control over the on-off state of a third channel and a fourth channel, the third step of control over the opening degree of the first channel or the second channel, and the fourth step of control over the opening degree of the fourth channel or the third channel.
Owner:HARBIN INST OF TECH +1

Walking-assisting lifting mechanism for old people going upstairs

ActiveCN112674997AImplement the boost functionImproved stability when going upstairsWalking aidsOlder peopleEngineering
The invention discloses a walking-assisting lifting mechanism for old people going upstairs. The mechanism comprises a control box, wherein a first transmission rod and a second transmission rod are arranged in the control box, front columnar frames are symmetrically arranged on the two sides of the control box, front auxiliary supporting legs are arranged on the front faces of the bottoms of the front columnar frames, first lead screws are arranged in the front columnar frames and are connected with the first transmission rod, first lead screw nuts are arranged on the first lead screws, front supporting feet are arranged at the bottoms of the front columnar frames and connected with the first lead screw nuts, rear columnar frames are arranged on the back faces of the front columnar frames, rear auxiliary supporting feet are arranged at the bottoms of the rear columnar frames, second lead screws are arranged in the rear columnar frames, a third transmission rod is connected with the second transmission rod. the second lead screws are connected with the third transmission rod, second lead screw nuts are arranged on the second lead screws, and rear supporting legs are arranged at the bottom of the rear columnar frames and connected with the second lead screw nuts. Through the arrangement of the overall structure, the mechanism has the advantages of being good in stability, high in safety, simpler in structure, lower in price and convenient in use and popularization.
Owner:ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Multicolor pigment spray gun for drawing

The invention discloses a multicolor pigment spray gun for drawing. According to the multicolor pigment spray gun for drawing, a plurality of spray gun mechanisms are arranged on a spray gun fixing body in a circumferential array, and each spray gun mechanism corresponds to one pigment, therefore, the integrated arrangement of a plurality of spray guns can be realized; meanwhile, simultaneous control of the plurality of spray guns can be realized, and a control rotating rod is accommodated in an avoiding groove so as to make the corresponding spray gun out of control according to required colors and color requirements, thereby facilitating the non-spray setting of the color; and the spray gun mechanisms can achieve automatic feeding, material moving and spraying, the automation level of spraying is greatly improved, pigments can be sprayed out in a scattered mode due to the arrangement of a pneumatic spraying mechanism, thus the spraying uniformity and the spraying area are guaranteed,and pigment waste caused after spraying is prevented.
Owner:QIANNAN NORMAL UNIV FOR NATTIES

Control device and control method of hydraulic vibration active isolation platform

InactiveCN102163042BRealize vibration isolation functionQuick calculationSimulator controlSignal conditioningComputer module
The invention provides a control device and a control method of a hydraulic vibration active isolation platform. The control device comprises a control computer, an A / D (analog / digital) data process card A, an A / D data process card B, a D / A (digital / analog) data process card, a signal modulator A, a signal modulator B, a power amplifier, an acceleration sensor A, an acceleration sensor B and a displacement sensor, wherein one acceleration sensor A, one acceleration sensor B and one displacement sensor are mounted on each hydraulic active operation rod of the hydraulic vibration active isolation platform; the acceleration sensor A is mounted on the top part of an inner cylinder of the hydraulic active operation rod; and the acceleration sensor B is mounted on the top part of an external cylinder of the hydraulic active operation rod. The control device has strong expanding property; types and number of the data collecting cards are increased by modifying a control module; a plurality of similar vibration isolation platforms are conveniently and simultaneously controlled; and vibration isolation functions of the platform are realized under the environments of large amplitude, low frequency and heavy load.
Owner:BEIHANG UNIV

Spatial light modulator cluster control method and system

The invention discloses a spatial light modulator cluster control method and system. The method comprises the following steps of: selecting a networking topological structure of a cluster; selecting a cluster networking connection channel according to the topological structure, and carrying out networking between a main controller and a spatial light modulator; enabling the main controller to send a cluster control signal to the spatial light modulator in the cluster through a cluster networking connection channel; and enabling the spatial light modulator to receive the cluster control signal and the cluster control signal sent by the main controller or the uplink equipment. The invention can analyze the cluster control signal according to a protocol and adjust the running state of the local machine according to a cluster command. The main controller is arranged in a cluster to uniformly control all spatial light modulators in the cluster, the spatial light modulators receive a cluster control signal, and the operation state of a local machine is adjusted according to a cluster command, so that hundreds or thousands of spatial light modulators can be controlled at the same time.
Owner:斐思光电科技武汉有限公司

Rolling device and rolling method of compound copper and aluminum busbar

The invention provides a rolling device and a rolling method of a compound copper and aluminum busbar. The rolling device comprises a main motor connected with a reducer, wherein the reducer is connected with a driving system, a coupler is connected with two plain rolls on a main frame, and the main frame is fixed on a base; the main frame is fixedly provided with an upper bearing block and a lower bearing block, the upper bearing block is provided with an upper plain roll, and the lower bearing block is provided with a lower plain roll and an adjusted blending plate; the adjusted blending plate is provided with a U-shaped slot in which a vertical roll is vertically installed, a closed rolling space is formed by the upper plain roll, the lower plain roll and two vertical rolls and the adjusted blending plate is fixedly connected with a guide device. According to the rolling device provided by the invention, the synchronous control and mutual cooperation on the plain rolls and the vertical rolls can be realized to adjust and roll products of different specifications; the four sides of a supplied material are limited by the closed hole pattern processing, therefore the adhesive strength of a product can be improved; furthermore, according to the processing method, the processing times can be reduced and the processing efficiency can be improved.
Owner:YANTAI FISEND BIMETAL
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products