65results about How to "Improve hands-on ability" patented technology

The invention provides an unsaturated seepage physical simulator for soil in an aerated zone. The unsaturated seepage physical simulator comprises a tested soil tank, a supplementing and draining system and a measuring system, the tested soil is contained in the tested soil tank, the supplementing and draining system consists of a lateral supplementing and draining unit, a bottom supplementing and draining unit and a top supplementing and draining unit, the lateral supplementing and draining unit consists of a water supplementing device and a water draining device which are respectively mounted on two side walls of the tested soil tank, the top supplementing and draining unit consists of a rainfall device, an evaporation device and an accumulated water infiltration device, and the measuring system comprises a soil solute measuring unit, a soil moisture measuring unit, a soil water potential measuring unit and an underground water level measuring unit. The large unsaturated seepage physical simulator for the soil in the aerated zone not only can sufficiently simulate various conditions of soil in the aerated zone, but also is convenient in measurement and low in errors.

The invention relates to a virtual reality man-machine interaction children education experience system based on a mobile terminal. The virtual reality man-machine interaction children education experience system based on the mobile terminal comprises a mobile equipment terminal, large screen display equipment, somatosensory interaction equipment and a background server; the mobile equipment terminal is provided with a pattern recognition and data recognition module and a data interaction client, the pattern recognition and data recognition module and the data interaction client are connected with the background server through a network, the background server is connected with the somatosensory interaction equipment, and the somatosensory interaction equipment and the data interaction client are connected with the large screen display equipment. Compared with the prior art, the virtual reality man-machine interaction children education experience system based on the mobile terminal can be presented in a way of dynamic sound, images and interaction, teenagers can understand scientific knowledge more vividly, three-dimensionally and thoroughly, and the operational ability of children is enhanced.

The invention relates to the cloud computing field, particularly to an enterprise cloud desktop management platform of an OpenStack cloud desktop. The enterprise cloud desktop management platform comprises a management center, a client management module, a user management module, an application management module, a template management module, a monitoring alarm module, an alarm processing module, a data processing module, and a storage management module. All modules work in a coordinated mode to realize management of a cloud server and a plurality of clients which the client management module belongs to. The platform has the following beneficial effects: because the work efficiency of the desktop management platform serving as the brain and core of the cloud desktop system affects application and promotion of the cloud desktop system directly, all functions of the cloud desktop are divided in detailed, so that the clients and users can be managed well; the platform is suitable for various clients and various operation systems, so that the applicability is high; the templates are established in a diversified mode and the demands of the clients can be predetermined according to the previous behaviors and registered data of the user, so that the templates can be recommended according to needs; and high usability, high fault tolerance, and rapid fault recovery of the cloud desktop are realized.

The present invention discloses a building power supply and distribution teaching technology simulation training system. The system comprises a computer monitoring system, a transformer simulation experiment training operation console, an in-building high-low voltage electrical system and a building low-voltage distribution system; the computer monitoring system is communicated with the transformer simulation experiment training operation console, the in-building high-low voltage electrical system and the building low-voltage distribution system, and the transformer simulation experiment training operation console is communicated with the in-building high-low voltage electrical system and the building low-voltage distribution system. The building power supply and distribution teaching technology simulation training system can allow the high-voltage electrical system and the low-voltage electrical system to form an integrated building power supply and distribution teaching technology simulation training system so as to help students to have an integrated understanding for their learning knowledge and supply one-stop learning operation for students and improve their manipulative ability.

The invention relates to a teaching and experiment instrument of an automatic control theory, belonging to the technical field of teaching and experiment instruments. The instrument is additionally provided with a signal source module, a wireless communication module, a temperature control and perception module, simulation experiment control software, and the like. The instrument has the advantages that a one machine controls a plurality of instruments, or a plurality of machines control an instrument to finish all kinds of teaching experiments of the automatic control theory through an external computer by adopting a wireless way, thereby increasing the teacher-student interaction ability and the teaching demonstration function; the adopted simulation experiment control software can be independent of interment hardware to finish various simulation teaching experiments of the automatic control theory and compare the difference of the theory and the practical laboratory data to grasp the difference of the engineering practice and the theory; separating from the cooperation of the computer or the simulation software, the hardware of the instrument can finish various teaching experiments of the automatic control theory independently, thereby ensuring the flexibility of the experiment; the software and the hardware of the instrument are combined to finish various teaching experiments of the automatic control theory, and the software and the hardware depend on and combines with each other to increase the reliability and the convenience of the experiment. The teaching and experiment instrument of the automatic control theory is a regeneration product and is worthy of adoption and generalization.

Disclosed is a typical mechanism motion analysis modular teaching device. The typical mechanism motion analysis modular teaching device comprises a testing table and a motor fixed onto the testing table through a motor rack. The tabletop of the testing table is provided with a plurality of positioning holes for mounting different-structured typical mechanism modules required in different experiments; the power input ends of the different-structured typical mechanism modules are fixedly connected with the output shaft of the motor; the different-structured typical mechanism modules are formed by structuring and assembling corresponding mechanical parts and corresponding sensors on the testing table according to experimental requirements and composed of a direct-acting cam mechanism module or a swinging guide rod mechanism module or a six-rod mechanism module or a crank slider mechanism module or a crank rocker bar mechanism module or a double-crank mechanism module. The typical mechanism motion analysis modular teaching device can achieve motion analysis on typical mechanical mechanisms such as a swinging guide rod, a swinging cam, a six-rod mechanism, double cranks, a crank slider, a direct acting cam and a crank rocker bar, thereby greatly reducing the teaching cost and the space occupation.

The invention relates to an interactive system for music beat rhythm teaching and science popularization. The system comprises a function selection module, which is used for receiving user selection instruction and obtaining interactive dimension mode according to the user selection instruction. A note time value recognition module for recognizing note time value model information; a metre rhythmconversion module is use for performing metre or rhythm conversion on a recognition result according to an interactive dimension pattern, matching the recognition result with a music rhythm rhythm database, and outputting a matching result when the match is successful; the audio light output module is configured to output corresponding audio and light effects according to the matching result. Compared with the prior art, the invention has the advantages of strong interaction, strong sense of investment of students, strong adaptability to environment and the like.

The invention discloses a wind turbine generator training system, comprising a master control electrical system, a model simulation system, a converter cabinet electrical system, a variable-pitch cabinet electrical system, a signal cabinet electrical system, a practical operation training system, a theory learning system, a monitoring system and a simulation operating system. The series of theorylearning system and practical operation training system is built to assist in knowledge infusion and visualized operation for service talents in the wind power field from the visual angle, so that thesystem can meet related requirements on training and skill improvement for wind power trainees and effectively improve manipulative ability and actual failure clearing ability of the trainees on thepremise of guaranteeing safety of the trainees and units, especially improving the ability of rapid handling to failure of the wind turbine generator, thereby achieving effective failure clearance, increasing utilization rate of the wind turbine generator and increasing economic benefit of owners effectively.

The invention relates to an automatic carrying system based on an AGV. The automatic carrying system comprises a walking mechanism, a grabbing mechanism and a practice console. The walking mechanism comprises an ultrasonic ranging unit and a trolley body. The ultrasonic ranging unit is arranged on the periphery of the trolley body. An ARM function expansion board is further arranged in the vehiclebody and used for receiving an operation instruction of the practice console and controlling the motion trails of the walking mechanism and the grabbing mechanism. The grabbing mechanism is arrangedon the walking mechanism. The practice console is connected with the ARM function expansion board through a plug connector, and the control instruction in the practice console is used for controllingthe walking mechanism and the grabbing mechanism to complete corresponding operations according to a preset process. Different operation instructions can be input into the practice console, the ARM function expansion board serves as a core control part of the automatic carrying system, the control instructions of the ARM function expansion board can come from the practice console, then the walkingmechanism and the grabbing mechanism are controlled, and the practical ability of students is promoted to be improved.

The invention relates to a vocational and technical training system for security industry application technology, comprising subsystems of video surveillance, anti-theft alarm, building intercom, access control, night watching, park management and the like, wherein the video surveillance subsystem comprises a 22X infrared all-in-one machine, a high-sensitivity day and night type camera, an IP type network camera, a wide dynamic camera, an integrated camera, an intelligent high speed sphere, an infrared small hemisphere, a spiral small hemisphere, an IP type network video server, and a digit hard disk video recorder; the anti-theft alarm subsystem comprises a front-end alarm detector which comprises an infrared alarm detector, a door magnetic, an infrared shooting detector, and a vibration alarm detector; the access control subsystem comprises an entrance guard controller, a card reader, an electric control lock and an access control card; the night watching subsystem comprises a night watching rod, a communication base, night watching spots, personnel spots, an event log, and management software; and the park management subsystem comprises vehicle identity judgment, access control, automatic license plate identification, parking plot search, parking plot guidance, meeting reminding, image display, vehicle type checking, time calculation, fee collection and checking, voice intercom, and automatic card acquisition.

The invention discloses a novel programming educational robot toy, which includes a main car. The invention has a variety of expansion parts, which are connected through simple and reliable expansion ports. This assembled and expanded product greatly enriches the playability of the product, and can also improve children's hands-on ability, imagination and logical thinking ability. Other functional modules can also be connected to enhance playability.

The invention relates to an Internet-of-Things basic function practical training console, which is composed of a console installation panel, a console table board, a flip-type display installation frame, a tool main device placement drawer, a computer host placement cabinet and movable casters, wherein an RFID function training region, a ZIGBEE function training region, a wireless router, an intelligent light adjustment system, an intelligent socket control system, a strip lamp control system, an anti-electric shock device and a 5VDC/24VDC power supply module are arranged on the console installation panel. The Internet-of-Things basic function practical training console comprehensively utilizes technical features of the Internet of Things in the aspects of intelligent perception, network transmission, intelligent processing and the like, establishes a comprehensive intelligent laboratory with brand new concept and integrating interesting demonstration, scientific experiment and application development, improves the practical ability of students and accumulates practical experience by means of the combination of experience and practice, the combination of perceived experience and hands-on development and the combination of scheme assumption and actual verification, thereby improving the teaching quality level integrally.

The invention relates to a middle school physical experiment demonstration device and a learning method thereof and relates to an experiment device. An opening is arranged on an outer side wall of a cylinder, multiple plugging boards in interference fit with two inner side walls of the opening are arranged in the opening on the outer side wall of the cylinder, outer sides of the multiple pluggingboards are detachably provided with reducing type leakage nozzles, an outer surface of the cylinder is matched with annular boards matched with the cylinder in a gap matching mode, the annular boardsare provided with liquid collection boxes, the cylinder is clamped on a support, an upper portion of the support is hung with a spring dynamometer, a lower portion of the spring dynamometer is provided with a tightening sleeve rope, and an inner bottom surface of the cylinder is provided with a bottom fixed pulley. The experiment equipment is advantaged in that the experiment device not only can carry out demonstration teaching of the physical buoyancy experiment, but also can carry out targeted experimental demonstration on the buoyancy of the object at different depths in the solution, greatly deepens understanding and mastery of the physical buoyancy of students and greatly improves quality of teaching of teachers.

The invention discloses a gram positive bacteria cell wall model teaching aid which comprises a rectangular base, a first embedded body, a second embedded body and a third embedded body which are embedded on the base, and a grid-shaped mesh body connected to the upper side face of the base, wherein a circular bead string is arranged on the upper side face of the base; and a square bead string is arranged on the top of the mesh body. According to the gram positive bacteria cell wall model teaching aid, the structure characteristics of various special components of the gram positive bacteria cell wall and the correlation among the special components can be vividly displayed, the operational ability of a user can be improved, and the memory is deepened.

The invention discloses a multiply-combined toy train. The multiply-combined toy train comprises a locomotive and carriages, wheels are hinged to the bottoms of the locomotive and the carriages, a connector is fixed on the front portion of the locomotive and provided with a connecting through hole, a thread penetrates the connecting through hole and is tied on the connector, a connecting piece is fixed on the rear portion of the locomotive, main connecting pieces are fixed on the front portion and the rear portion of the carriages, the connecting piece and the main connecting pieces are provided with through holes, and pin shafts are sequentially inserted into the through hole of the connecting piece and the through hole of the main connecting piece of the front portion of the carriage adjacent to the locomotive to form a hinge connection, the main connecting piece of the rear portion of the carriage is connected with the main connecting piece of the carriage behind the former carriage through a pin shaft, auxiliary connecting pieces are fixed on two sides of the locomotive and the carriages, and sub-through holes are formed in the auxiliary connecting pieces. The multiply-combined toy train is simple in structure, the locomotive and the carriages are detachable and reassembled, and operational ability of children is improved. Meanwhile, the structure of the multiply-combined toy train is changeable, and lasting appeal is improved.

The invention relates to an intelligent teaching desk of a smart classroom. The intelligent teaching desk comprises a desk body and a desktop, wherein the desktop is composed of a whole touch screen,a movable table board is arranged above the touch screen, the movable table board is installed through a sliding rail set, the inner portion of the desk body is totally provided with three interlayersdistributed transversely and parallelly, the three interlayers are an intelligent interactive layer, a charging layer and an experiment layer respectively, the intelligent interactive layer is internally provided with an OPS plug type computer mainframe and designed with the touch screen and the movable table board, the touch screen and the intelligent interactive layer are cooperatively used forproviding an intelligent teaching platform, and the movable table board is used for providing a practical training experiment teaching platform. The intelligent teaching desk of the smart classroom has the advantages that the overall intelligent degree is high, functions are diverse, and the intelligent teaching platform and the practical training experiment teaching platform are switched cooperatively, so that the intelligent teaching desk is especially applied to the modern smart classroom; the intelligent teaching platform with the touch screen comprises a computer system and an interactive teaching system, a whole-touch-type classroom is created, not only can the eyeballs of students be attracted, the burdens of teachers are reduced, but also different teaching effects are brought.

The invention discloses a multifunctional overflow valve for teaching and practical training. The multifunctional overflow valve is designed and developed for meeting the teaching and practical training requirement of vocational education and can meet the requirements of principle verification type practical training and actual simulation type practical training for students. The multifunctional overflow valve comprises a valve body, a valve sleeve installed inside the valve body, a valve core with an oval groove, springs different in rigidity and a control cover plate. Through the valve core with the oval groove, the pressure impact at the opening moment of the overflow valve can be effectively lowered, and the influence of the medium temperature on the performance of the overflow valve can be lowered; through the springs different in rigidity, the requirements of principle verification type practical training and actual simulation type practical training both can be met; through different connection modes of a control oil port, the control principle of the multifunctional overflow valve is changed, and the functions of fixed-value overflow and fixed-difference overflow are realized. The multifunctional overflow valve for teaching and practical training is ingenious in design, compact in structure, capable of realizing multiple functions and capable of being applied to various conditions of teaching and practical training, effectively opens minds of the students, and enhances understanding of the students about hydraulic pressure knowledge.

The invention discloses a paperless multimedia clothing technology teaching practice platform which comprises a high-definition camera, a metal support, a short focus projector, a glass table, a touchdisplay screen, a drafting and plate-making table, a small cutter, a server, a teacher terminal computer, an intelligent drawing pen and a computer, wherein the high-definition camera, the short focus projector and the touch display screen are arranged on the metal support and respectively connected with a computer through computer cables; a base of the metal support is fixed on a long side of the drafting and plate-making table; the glass table is arranged above the drafting and plate-making table; the teacher terminal computer is connected with the server through a data line; and the serverand the drafting and plate-making table are respectively connected with the computer through data lines. The platform is small in size and high in operability and applicability, the paperless and digital technical problems of clothing drafting and plate-making modern teaching are successfully solved. Moreover, waste of clothing teaching consumable items is greatly reduced, the cost is saved, andthe clothing teaching quality level in schools and learning interest and practice abilities of students are rapidly improved.

The invention discloses an industrial Internet implementation and operation and maintenance practical training platform. The industrial Internet implementation and operation and maintenance practicaltraining platform comprises a combined computer desk, a workbench cabinet, an industrial gateway module, a raw material module, a finished product/ waste product module, a detection/ assembly module,a robot module, a man-machine interaction module, a transfer module, a feeding and discharging module and a processing module, wherein a control system is installed on a bottom plate of the workbenchcabinet; the components are integrally installed on the workbench cabinet and integrally form a movable practical training platform; operation data of the components are collected through the industrial gateway module; and practical training operation of students is achieved through the man-machine interaction module. According to the industrial Internet implementation and operation and maintenance practical training platform, intelligent decision and control instructions are achieved through end-to-end data deep integration and modeling analysis, and a novel manufacturing mode such as intelligent production, networked cooperation, personalized customization and service extension is formed; and the practical training operation of the students is achieved through the integrated movable practical training platform, so that the students master industrial Internet implementation and operation and maintenance related technologies, and the manual operation capability is improved.

A multi-user voice cooperation system based on a communication network comprises a bottom layer API module used for data transmission and bottom layer configuration; information is sent and serialized to a connection management module through the underlying API module, and the connection management module is used for being responsible for network client management and network server management; an object state and behavior module which is used for processing network identities and network behaviors; an object life cycle module which is used for managing a network scene and a client scene; and an engine integration module which is used for integrating various components including a network position component, a network animation component and a network distance inspection component; the system is technologically characterized in that: a vivid voice interaction scene is established and presented through an audio equipment system on a computer to give students an immersive feeling, so that the learning interest of the students is stimulated, and the manual operation ability of the students is improved; the system supports simultaneous on-site learning of multiple persons, breaks through the limitation of traditional education, and improves the teaching efficiency.

The invention relates to a toy, in particular to a children toy for pediatrics department nursing. According to the technical aim, the children toy for pediatrics department nursing can automaticallygenerate sound, can lighten and can also conduct artistical motion. In order to achieve the technical aim, the toy comprises a mounting plate and the like; a driving mechanism is connected to the middle of the front wall of the mounting plate, and a spread mechanism is connected to the upper side of the mounting plate. The children toy for pediatrics department nursing is designed, through arrangement of universal wheels, children can push the toy to move, and accordingly the operation ability of children is improved; wings are spread and retracted, so that an artistical motion scenery is alsoformed, accordingly, the attention of children is drawn, children can also be interested, light which is given out by an LED lamp is matched with the wings, and the effect is achieved that children can be attracted so that the interest can be cultivated by attracting children in sound.

The invention discloses a self-assembling type electric pencil sharpener which comprises a cutting component, a cavity component, a battery component and a scrap and slag storing component. The cutting component comprises a top cover, a transmission assembly, a motor and a knife component, a pencil insertion hole allowing a pen-shaped object to extend in is formed in the top cover, and the transmission assembly, the motor and the knife component are arranged on the bottom face of the top cover; the cavity component comprises a concave-section shell with an opening, an inwards-concave interval wall and a fixing base connected with the interval wall are formed in the opening, the cavity component is clamped to the bottom of the top cover through the shell, and the knife component is clamped to the fixing base; the battery component comprises a base plate which is clamped to the bottom of the shell; the scrap and slag storing component comprises side plates and a pencil scrap box arranged on the inner sides of the side plates, the scrap and slag storing component is clamped to the opening of the shell through the side plates, and the pencil scrap box is located below the fixing base. The pencil sharpener is simple in structure and convenient to assemble and use.

The invention discloses a practical training device for teaching demonstration based on an IOT (internet of things). The practical training device comprises a mesh plate, a distribution box, intelligent home equipment, a sensor, a buzzer alarm, a buzzer alarm controller, a gateway, a wireless communication device and a control terminal, wherein the mesh plate is fixedly arranged; the distributionbox, the intelligent home equipment, the sensor, the buzzer alarm, the buzzer alarm controller, the gateway, the wireless communication device and the control terminal are all arranged on the mesh plate; an output end of the distribution box is connected with an input end of the other equipment respectively; an input end of the buzzer alarm is connected with an output end of the buzzer alarm controller; the intelligent home equipment, the sensor and the buzzer alarm controller are all connected with the gateway; the gateway is connected with the control terminal by the wireless communication device. The practical training device has the advantage of being suitable for training of high-skilled professional of training rooms of engineering and schools, is beneficial for teaching of teachersand understanding of students for the control principle and equipment cognition and is also beneficial for training of talents meeting the requirements of a social intelligent home position.