859results about How to "Flexible replacement" patented technology

Disclosed are a laminated lithium ion battery, a battery pack comprising the same and a pole piece of the laminated lithium ion battery. The pole piece comprises a current collector and an active material layer, wherein the current collector is coated with the active material layer. A section of continuous uncoated area is arranged at the tail end of a first width end portion of the pole piece, the top face and the bottom face of the uncoated area are not coated with the active material layer, the current collector is exposed in the uncoated area, and the exposed current collector serves as a pole lug of the pole piece. By the pole piece, internal resistance of the lithium ion battery is reduced and heat dissipation performance of the battery is improved.

The invention discloses an intelligent dispatching method, a device and a system of content delivery network flow. The intelligent dispatching method comprises: receiving a domain name resolution request which is sent by a local DNS through a subdomain which is provided by a website domain authority DNS; according to the domain name resolution request, obtaining the IP address of the local DNS; utilizing the IP address to indentify the geographic location of the local DNS and network service provider ISP information; according to the geographic location and the ISP information, selecting a CDN service provider on the basis of a preset rule; sending a domain corresponding to the name of the selected CDN service provider to the local DNS. The invention builds an intelligent dispatching center between the existing CDN network frame and an operator website; when accessing the network of the operator, a netizen selects a proper CDN service provider according to the preset rule. The invention ensures that the operator can flexibly replace the existing CDN service provider so as to lead the operator to obtain CDN service with better cost performance.

The invention relates to a portable listening device, and particularly relates to a wireless earphone establishing interaction with an earphone box. The wireless earphone comprises a shell, a loudspeaker component, a noise reduction microphone, a call microphone, a rechargeable charging unit, an earphone sensor and an earphone processor, and the earphone sensor detects whether a cover of the earphone box is at a closed position or an open position according to a magnet on the cover of the earphone box; the earphone processor receives and marks a cover opening signal sent by the earphone sensorwhen detecting that the cover of the earphone box moves from the closed position to the open position, and transmits the cover opening signal to the box processor. According to the wireless earphone,the earphone sensor detects the cover opening condition of the earphone box and performs data interaction with the earphone box in real time.

The invention belongs to the technical field of unmanned boats and discloses a modularized unmanned boat. The modularized unmanned boat comprises an unmanned boat platform, the unmanned boat platformis provided with a control system, a task load and a comprehensive information system, and all the systems are connected together through an optical fiber bus; the unmanned boat platform is a main body of the modularized unmanned boat and comprises a hull, a marine engine and an electrical system, the marine engine comprises a propulsion mechanical device and a generator set, the marine engine andthe electrical system are installed on the hull, and the hull is sequentially provided with a watertight cabin, a water ballast cabin, a replenishing cabin, a cabin and a spraying pump cabin from thehead to the end. According to the unmanned boat in the invention, an open type system and a modular design are adopted, a unified universal boat body platform is adopted for various types of unmannedboats, an optical fiber bus structure is adopted between boat-loaded task equipment, a form of a standardized module structure and a universal bus interface is adopted for the task equipment, the task equipment is connected into a unified whole through an optical fiber bus, and the people are replaced by the modularized unmanned boat to execute tasks such as patrol protection, marine law enforcement, search rescue, water quality monitoring, hydrological geographic investigation and the like in a severe or dangerous environment.

The embodiment of the invention provides a realizing method and device for an external camera of a host, and a mobile terminal. The method comprises the steps of when a host operation system monitors the condition that the external camera is plugged or unplugged, broadcasting the plugging-unplugging information of the external camera; using a camera application program to receive the broadcasting of the plugging-unplugging information of the external camera, and generating or releasing a camera resource example by the operation interface of a hardware abstraction layer of the host operation system; enabling the camera application program to call the generated camera resource example by the operation interface of the hardware abstraction layer of the host operation system so as to finish an image processing function. The source example of the external camera is realized by software, so the external camera is virtualized to the internal camera of the host, and further the processing function for an image collected by the external camera is realized. As the external camera can be conveniently plugged on or unplugged from the host, so the operation is flexible and convenient, and no extra hardware and software improvement is needed, and the realizing cost is low.

The invention discloses a track vehicle rim and tread flaw detection probe assembly system. The track vehicle rim and tread flaw detection probe assembly system comprises a tread flaw detection probe assembly and a rim flaw detection probe assembly. The tread flaw detection probe assembly leans on the tread of a wheel through a mechanical arm; the rim flaw detection probe assembly leans on the rim surface of the wheel through the mechanical arm; the tread flaw detection probe assembly can automatically detect wheel tread and rim defects from the tread in an online mode and is high in detection efficiency, accurate in detection result, simple in structure and convenient to use and operate; the rim flaw detection probe assembly can automatically detect wheel rim surface and tread detects from the inner lateral side of the rim in on online-mode and is high in detection efficiency, accurate in detection result, simple in structure and convenient to use and operate.

The invention provides a method for testing nuclear pollution and chemical pollution with a remote-controlled movable robot, which aims at the problem of automatic testing under the circumstances of nuclear pollution and chemical pollution. The invention has the following main points: a remote-controlled robot enters a polluted site under the remote wireless control by the operator and transmits the information of an accident site back to a local operation platform through wireless transmission; the movable robot is provided with a nuclear detector and an instrument cabinet; a chemical gas detector, a camera and an illuminating lamp are arranged in the instrument cabinet, and a camera captures the images of the indication panel of a chemical gas detector and transmits the images back to the local operation platform; the pollution source is removed or sampled by mechanical arms after being found; and the movable robot is provided with a GPS navigator to position the pollution source. The invention has the advantages of zero casualty, flexible replacement of instruments in the instrument cabinet and the like, and can be used in highly dangerous accident sites with nuclear pollution and chemical leakage, which can not be detected with normal means.

The invention discloses a two-fluid atomization nozzle which comprises a fluid joint, a liquid spinning disk, a two-fluid atomization cavity and a sprayer, wherein the sprayer is internally provided with a hollow cavity; one end of the hollow cavity is provided with an opening and the other end of the hollow cavity is provided with spray holes; the two-fluid atomization cavity, the liquid spinning disk and the fluid joint are sequentially assembled towards the opening in the hollow cavity; the two-fluid atomization cavity is internally provided with a first gas runner and a first liquid runner; an atomization cavity is formed at the junction of the first gas runner and the first liquid runner and is communicated with the spray holes; the liquid spinning disk is arranged at the liquid inlet end of the first liquid runner; the liquid joint is internally provided with a second gas runner and a second liquid runner. Therefore, the two-fluid atomization nozzle is formed by detachably assembling multiple split components, so that the replaceability of local atomization components is realized and the maintenance and replacement costs are lowered; furthermore, the two-fluid atomization nozzle can well ensure the high atomization rate and atomization degree of liquids.

The invention relates to a direct-injection gas burner without flame. The burner comprises an inner gas pipe which is arranged horizontally, an outer gas pipe which is sleeved at the outer part of the inner gas pipe in a coaxial way, gas nozzles which are arranged at the outlet ends of the inner gas pipe and the outer gas pipe, a plurality of air pipes which are arranged at the periphery of the outer gas pipe, a plurality of air nozzles which are respectively arranged at the outlet end of each of the air pipes, and an igniting needle which is arranged on one side of the outer gas pipe in parallel, wherein an annular hollow is formed between the inner gas pipe and the outer gas pipe, a center fire hole which is communicated with the inner gas pipe is formed in the center of the gas nozzle, the periphery of the center fire hole is provided with a plurality of peripheral fire holes which are communicated with the center fire hole, and the tail part of the igniting needle is close to the gas nozzle. The burner is in a simple structure and does not need preheating of the air. A stirring reactor and a heat accumulator are arranged in the burner, and therefore the flameless burning in a furnace can be realized.

The invention relates to an unsteady cavitation flow-excited vibration multi-field synchronous measurement system for a water tunnel experiment and belongs to the ship and underwater vehicle engineering and water conservancy and hydropower engineering technology field. The system is composed of an experimental section, an experimental model, a high-speed camera, a synchronous trigger switch, a laser Doppler vibration meter, a data acquisition instrument, a data processing system/computer and display assembly and a light source. According to the system of the invention, rising edge voltage signals are generated through the synchronous trigger switch, trigger signals are controlled by using the voltage signals, and therefore, the signal acquisition starting instructions of the high-speed camera and the laser Doppler vibration meter are controlled quantitatively and precisely, and the quantitative and accurate synchronous measurement of an unsteady cavitation flow field and a structure field can be realized; and data obtained through multi-physical field synchronous acquisition are subjected to preprocessing, time-domain analysis, frequency-domain analysis and time-frequency analysis,and therefore, reliable analysis experimental data can be provided for the study of fluid-structure interaction characteristics.

The invention relates to the technical field of stereoscopic greening, in particular to a landscape combined-type stereoscopic greening smart system. The landscape combined-type stereoscopic greening smart system comprises a rainwater collection and purification system, a water guiding irrigation system, green plant systems, an outer electronic control system and a water storage purification system, wherein the water guiding irrigation system comprises a detachable combined-type water guiding pipeline framework and greening module clamping grooves; the detachable combined-type water guiding pipeline framework is fixed on a construction vertical plane; the greening module clamping grooves are formed in and communicated with the detachable combined-type water guiding pipeline framework; each green plant system is arranged in one of the corresponding greening module clamping groove; the upper end and the bottom end of the detachable combined-type water guiding pipeline framework are respectively connected with the rainwater collection and purification system and the water storage purification system; a solenoid valve is arranged at the water outlet of the rainwater collection and purification system and electrically connected with the outer electronic control system. The landscape combined-type stereoscopic greening smart system is simple in structure, relatively high in practicability and low in use cost, meanwhile, can realize cyclic utilization of water resources, achieves the effects of attractive appearance and environmental protection, and can effectively economize resources.

A flexible surgical instrument, an operating arm system and a minimally invasive surgical robotic slave manipulator system are provided. The flexible surgical instrument includes an instrument drive mechanism, a flexible instrument arm, an active actuator of the flexible instrument arm and an operating forceps. The flexible instrument arm has the first end connected to the instrument drive mechanism and the second end connected to the first end of the active actuator of the flexible instrument arm. The operating forceps is connected to the second end of the active actuator of the flexible instrument arm. The instrument drive mechanism drives the active actuator of the flexible instrument arm to move. The flexible instrument arm moves along with the active actuator of the flexible instrument arm. The instrument drive mechanism also drives the operating forceps to move. The systems are small in size and flexible in layout, a supporting arm and an instrument guide arm can be regulated passively with a large regulation range, the space occupied in an operating room is small, and the systems can be laid out freely according to the environment of the operating room.

The invention relates to a method for managing component library which supports heterogeneous components. The method comprises steps of: on the base of the uniform component package structure of the heterogeneous components, creating a network indexed structure by combining XML with SQL Server database as component library frame; classifying the heterogeneous components; normalizing and storing to the component index library defined by the classified organization mode definition; realizing uniform access and index to the component library on the base of the classification and storage. The invention obtains each component from internet to local efficiently, after verification, information mapping standard, information description, entity storage in library and component indexed access, forms uniform data package, transmits and analyzes standard for providing support on program digging and components package.

The invention provides an embedded developing board having strong expansibility, which comprises four components: a system power supply, a processor minimum system, a board-loading base resource and an expansion function module, wherein the system power supply comprises a USB (universal serial bus) power supply interface, an external power source power supply interface, a self-recovering fuse, a voltage stabilizer, a power self-locking switch, a power light; the processor minimum system comprises a 51 single chip, an AVR (automatic voltage regulation) single chip and an ARM (advanced RISC machine) processor; the board-loading base resource comprises a light-emitting diode, a serial shift register, a 4-bit 8-section common cathode nixie tube, a passive buzzer, a matrix keyboard, an independent interruption key, a serial port circuit, a temperature sensor, a keyboard mouse interface, an infrared receiving circuit, an EEPROM (electrically erasable programmable read-only memory) memory, a real-time clock, a PWM (pulse-width modulation)/ DA (digital to analog) converter, an ADC (analog to digital converter) sampling circuit, a USB interface, a USB conversion serial port chip, a 1602 dot matrix liquid crystal module interface and a 12864 dot matrix liquid crystal module interface; and the expansion function module comprises an SD/MMC (safety data/multi media card) card interface circuit, a TFT (thin film transistor) color liquid crystal touch screen, an audio module, a wireless communication module and a network module.

The invention discloses an expiratory valve. The valve comprises a valve body, a top cover, a linear air-resistor, a membrane baffle, a membrane and a valve cover, wherein a first connection part is arranged on the valve body; a second connection part is arranged on the top cover, and the first connection part of the valve body and the second connection part are connected; a plurality of net nest-shaped pores are arranged on the linear air-resistor, and one end of the linear air-resistor is limited by the top cover; the membrane baffle is used for supporting the control external force of a respirator; a groove part for receiving the membrane baffle is arranged on the membrane; and the valve cover is combined with the membrane, and is received in the valve body. Because the expiratory valve is connected and installed in a mode of screw threads, the expiratory valve has low cost, and is convenient for disassembly, cleaning, disinfection and maintenance, so that the expiratory valve can be neatly installed or replaced infinitely, and is suitable for batch production.

The invention discloses a drive type hot-melt spraying marking machine, which comprises a rack, and the rack is provided with a power-driven system, a heating system, a marking system, a travel system, a hydraulic control system, a pneumatic control system and a steering system, wherein the power-driven system is in drive connection with the travel system, the hydraulic control system and the pneumatic control system respectively; the hydraulic control system is in drive connection with the steering system; and the marking system is in drive connection with the hydraulic control system and the pneumatic control system respectively. In the invention, a hot-melt spraying coating is heated to be a molten condition through an infrared heating system and a heat-conduction-oil heat preservationcyclic system, and then is sprayed to specified positions through a hot-melt gun, and the like. The drive type hot-melt spraying marking machine has the advantages of high marking efficiency, no needof removing existing lines for redintegration, adjustable width and thickness of marking lines, high heating efficiency, sufficiency for combustion and flexible control of flames.

The invention discloses a special spectrum simulation illumination device for plant cultivation and a simulation method. In the invention, the design idea of single light source is broken through; a hexagonal extensible light source array is designed based on LED combination; control power supply is realized by signal chip computer control and inductance switch stabilized current; the configuration parameter of a light source is determined by a monochrome calibration method; and the simulation of a special spectrum is realized by a nonlinear least squares curve fitting. The device has the advantages of special spectrum simulation, light-reliable-efficient performances, convenient extension and strong commonality. The simulation test result shows that the invention can pointedly and flexibly simulate the visible light absorption spectrum of special plants, solves the technical problem that how to supply light efficiently and flexibly for biological culture and provides a new technical solution for biological scientific study, biological culture and fresh-keeping in special environment and the like.

The invention provides a method for processing a collecting tube of a heat exchanger, which is characterized in that: 1) the collecting tube is limited between a demoulding press block and a lower base, one or more sets of punching knives are arranged in the vertical direction right above the collecting tube, and one end of the collecting tube is connected with a slide block; and 2) when the punching knives press downward, and after one or more punching holes are punched, the punching knives move upward to be lifted, the slide block drives the collecting tube to move toward the front end, by taking the hole spacing of the collecting tube as a stepping stroke, when the collecting tube reaches the punching position of the next punching hole, the punching operation is repeated until all punching holes are punched. The inside of the collecting tube is provided with a core rod in order to avoid the inward caving of the punching holes. The method has the advantages that: the operating process is simple; and the size of the punching knives can be flexibly replaced according to the actual size of the punching holes, and the hole spacing of the punching holes is adjusted by the stepping distance of the slide block, so that the method is suitable for processing collecting tubes of the heat exchangers in different specifications as well as the mechanical mass production, and simultaneously saves a great deal of mould cost, punching equipment cost and operational cost.