5176results about How to "Reduce design cost" patented technology

The invention relates to an air channel module and an air channel structure with the air channel module and an air conditioner. The air channel module comprises an air channel main body and a connecting assembly, wherein the air channel main body comprises an air field area in which an airflow air channel is formed, and the airflow air channel is provided with two opposite air outlets; the connecting assembly is arranged on the air channel main body; and a plurality of air channel modules can be connected with each other by virtue of respective connecting assemblies so as to form the air channel structure with a plurality of air field areas. According to the air channel module, different number of air channel modules can form different air channel structures so as to install different number of fan blades, so that the air channel module can be applied to series of products with different heat transfer periods, and the different air channel structures do not need to be independently designed and manufactured according to the products with the different heat transfer periods, so that the design and production cost is effectively reduced, and the production cycle is shortened.

Methods and systems for transmitting compressed audio / video data streams across conventional networks or channels in real time. Each system employs the Adaptive Rate Control (ARC) technique that is based on the detection of defective packets and other influencing factors such as overall system performance, usage model and channel characteristics. To control data stream congestions in the channel and maintain the visual display quality above a certain level, the present invention exploits the human visual perception and adaptability to changing visual conditions. The ARC technique relies on the client's capacity for calculating the quality of video packets received from a server and sending information of a desired transmission rate to the server. This approach simplifies the hardware and software implementation complexity otherwise imposed on the server and reduces the overall design cost by shifting the burden of monitoring bandwidth and transmission control from the server to the client.

The cerebral operating robot system based on optical tracking and closed-loop control for receiving medical image information, detecting and determining disease focus position, assisting operation plan and performing operation guidance is one closed-loop pose measuring and real-time feedback controlling robot system comprising one computer, one five-freedom robot, one optical tracking device and one passive marker. The passive marker is mounted in the end of the five-freedom robot, and the five-freedom robot includes one mechanical arm and one mechanical arm controller. The operation plan assisting and operation guiding software includes a digital image inputting and pre-treating module, a disease focus extracting and 3D reconstructing module, an operation planning module, and an operation executing module. The present invention has the advantages of raised precision, low cost, simplified calibration process, etc.

A controlled evacuation ostomy appliance including a collection pouch, and an urging device for applying a sealing force through the pouch wall to seal the stoma. The pouch wall may seal directly against the stoma, or the pouch may have an internal sealing member that is pressed by the pouch wall against the stoma. The urging device provides an adjustable sealing force. The pouch may be disposable. The urging device may be reusable with a replacement pouch.

System and method for the combination of a flywheel and motor / generator inside a wheel hub for hybrid vehicle propulsion. The flywheel and motor / generator are connected by a planetary gear system, in which a first port is connected to the flywheel, a second port is connected to the wheel hub, and a third port is connected to a motor / generator. An additional motor / generator may be used at one of the first port and second port. The system may be used in an electric-kinetic hybrid mode, or in a fuel-kinetic hybrid mode, when used in a vehicle having an internal combustion engine as the prime mover. Efficiency of energy storage and release is significantly improved in comparison to prior art.

The invention relates to the ventilation system field, in particular to an efficient automatic dust-removing and intelligent ventilation system and an automatic dust-removing method. The system comprises an intelligent energy-saving ventilation system housing component and a fan, wherein the intelligent energy-saving ventilation system housing component comprises a dual duct, a dust-discharging duct, a throttle actuating mechanism, a dust screen, a temperature and humidity sensor and a distributed pressure sensor, wherein the temperature and humidity sensor and the distributed pressure sensor are connected with a control system, and the control system drives the throttle actuating mechanism to realize time-sharing and smooth transition of the dual duct and the dust-discharging duct. The beneficial effects of the invention are as follows: the fans of the air feeder unit can be used for several purposes such as air supply and dust removing, thus reducing the equipment cost; the self-cleaning of the filtering screen can be realized, thus prolonging the service life of the filtering screen, reducing replacement frequency and lowering maintenance cost; and by turning on / off the automatic dust-removing and intelligent ventilation system, the normal operation of the devices in an equipment room can be ensured.

Embodiments of the present invention are directed to a device which may be used for communication through an Ethernet network. The device may comprise two modules. A first module may be based on an existing Fibre Channel arbitrated loop HBA technology. The second module may be configured to provide a virtual Fibre Channel arbitrated loop network for the first module utilizing the Ethernet network. In other words the second module may process communications generated by the first module as well as incoming communications from the Ethernet network in order to make it appear to the first module that it is communicating with an actual Fibre Channel Arbitrated Loop network (whereas it is actually communicating through an Ethernet network). Thus, existing Fibre Channel technology can be used for the first module and the overall design cost of the device can be reduced.

The invention discloses a high-power seeker tile type active phased array antenna, and aims at providing an active phased array antenna which is small in size and low in weight and can reliably work with no requirement for temperature compensation. The high-power seeker tile type active phased array antenna is realized by the following scheme that E-type patches act as radiation array elements of a microstrip antenna array which can be extended according to integral multiples of 4x4 array scale, rectangular grid arrays are distributed on an antenna dielectric substrate, and a tile type TR component is closely connected with a heat exchanger integrally; and the microstrip antenna array is connected with the high-power transmit-receive chips of the tile type TR component to form transmit-receive channels through integration, every four high-power transmit-receive chips are connected with one TR multifunctional chip simultaneously, four TR multifunctional chips form one 4x4 subarray circuit module together, and then subsequent connection with a power distribution synthesis network is performed. Power supply, high-power pulse power modulation and amplitude-phase code control of a DC power supply and wave beam control signals are realized via a power supply modulation distributor so that directional diagram scanning of the high-power tile type active phased array antenna can be realized.

A self-contained stock lifter is particularly adapted for use in multiple station, progressive metal forming dies and the like, and includes a base plate with two vertical through holes adjacent opposite sides, and a vertical spring unit aperture located between the through holes. The stock lifter also includes a lifter bar having two vertical through holes in vertical registry with the base plate through holes. Two rigid guide shafts are mounted in the base plate through holes to permit the lifter bar to reciprocate in a manner which selectively lifts stock in the die to permit longitudinal shifting of the stock along the multiple die stations. A spring unit has a base retained in the spring unit aperture, and a reciprocating rod biased outwardly, with a free end abutting a central portion of the lifter bar to shift the lifter bar to an extended position, thereby defining a fully self-contained unit that can be readily mounted in and removed from the die to reduce manufacturing and repair costs.

The invention discloses a control method for a robot automatic spraying system. The control method of the robot automatic spraying system comprises the following steps of (1) acquiring feature data of a workpiece to be sprayed; (2) processing acquired data by using an image processing system; (3) automatically generating a track; (4) simulating; (5) controlling a user interface; (6) determining a spraying parameter; and (7) performing spraying. The control method of the robot automatic spraying system has the advantages of high automation degree, high machining precision, wide application range and the like. Different workpiece spraying tracks can be generated automatically, the operation difficulty of a user is reduced, the traditional manual programming on single different-model workpieces to be sprayed is replaced, consumed time on spraying is shortened, and the production efficiency is improved.

The invention is applied to the fields of solid state discs and information storage and provides a solid state disc and a power failure protection method and a system thereof. The method comprises the steps of performing self-adaption data backup computation and judging whether to proceed data backup when data is written into the solid state disc; if backup is required, backuping the data to a single level cell (SLC) type storage area converted from a multi level cell (MLC) type storage area, then writing the data into the MLC type storage area, otherwise directly writing the data into the MLC type storage area; and when the solid state disc is powered on, the data is recovered according to data backup information. Therefore, the solid state disc and the power failure protection method and the system of the solid state disc can solve the problem of data damage of coupling pages in Nand Flash caused by abnormal power failure by means of a self-adaption backup technology on the basis that hardware design cost and complexity are not increased.

A driving circuit for an LED lamp including no more than 4 strings each having an input and an output terminals outputs a DC voltage of no more than 70V to the input terminals. The driving circuit includes constant current circuits each coupled between the output terminal of a corresponding string and ground. An on-off control signal controls whether the constant current circuits work to control whether the LED lamp works. A dimming control signal controls a duty cycle of working of to the constant current circuits to control a brightness of the LED lamp. The driving circuit further includes an overvoltage protection circuit and a switch. When a voltage at one input terminal is too high or a short circuit occurs in one string, the overvoltage protection circuit outputs an overvoltage control signal and accordingly the switch forces the on-off control signal to control the constant current circuits not to work.

The invention discloses a general signal processing board card based on a multi-core DSP (digital signal processor). An FPGA (field programmable gate array) serves as a master control core, and two multi-core DSP chips are connected through a high-speed serial bus and supportable to SRIO (serial rapid input / output) and PCIE (peripheral component interconnect express) protocols. Each DSP is connected with an expandable external memory and a gigabit Ethernet interface, and the DSPs are connected mutually through the high-speed serial bus and supportable to Hyperlink, SRIO and PCIE protocols. The FPGA and a VPX connector are mutually connected through a gigabit transceiver and supportable to SRIO, PCIE and Ethernet protocols. Mounting positions of an external memory chip, a DSP chip and an FPGA chip on a printed board of the general signal processing board card are compatible positions allowing placement of other chips in the series respectively and accord with 6U standards in size. The problems of poor universality, small data throughput, low storing rate and low processing speed of existing signal processing board cards are solved, and the general signal processing board card has the advantages of quickness in processing, high storing rate, large data throughput and high universality and can be widely applied to fields of communication, radar, guided missiles, remote sensing, image processing and the like.

The invention discloses a method for establishing a high-power light emitting diode (LED) illuminating lamp and a standard interface LED lamp cap. The method is characterized in that: the high-power LED illuminating lamp is formed by assembling one or more standard interface LED lamp caps on which LED light modules and independent driving power sources are integrated on a lamp holder. By the method, the production processes of the LED illuminating lamp can be greatly reduced, the batch production can be improved, and the industrialization of LED energy-saving illuminating products is facilitated.

The invention discloses a charging and communication collinear system and an earphone product. The charging and communication collinear system comprises a charging device and an electric product. Thecharging device comprises a main charging interface, a power output circuit and a main controller. The power output circuit is connected with the positive electrode of the main charging interface through a first switch. The main controller is connected with the positive electrode of the main charging interface through a second switch. The electric product comprises a slave charging interface, a charging circuit and a slave controller. The charging circuit is connected with the positive electrode of the slave charging interface through a third switch, and is used for receiving a charging powersource outputted by the charging device and charging a battery in the electric product. The slave controller is connected with the positive electrode of the slave charging interface through a fourth switch. According to the invention, the dual functions of transmitting a charging current and transmitting a communication signal on a single connection line are achieved. The technology is applied tothe earphone product. In this way, the charging function and the communication function of an earphone can be realized by a charging box. Meanwhile, the number of contacts between the earphone and thecharging box can be reduced.

A method for handling a wind powerplant's rotor hub (11) or to handle a wind powerplant's rotor (10) using a hoist, in particular for erecting a wind powerplant or for assembling or disassembling a rotor (11) to and from such a powerplant, in particular a hub (11) or a rotor (10) being configured by means of one assembly side to the wind powerplant's tower, the hub (11) or rotor (10) being raised or held by the hoist. In the raised state, the hub (11) is tilted by a tilting mechanism (15) acting on it out of the initial, raised position by a predetermined angle of tilting, or the rotor (10) is tilted by a tilting mechanism (15) acting on the rotor blade roots of the rotor (10) through a predetermined angle of tilting. A mechanism (15) to handle a wind powerplant's rotor hub (11) of a wind powerplant's rotor (10), in particular for assembling or dismantling a rotor to or from its wind powerplant.

The invention provides an apparatus and methods for automatically modifying a computer model of an object to comply with a manufacturing constraint for production of the object. In one embodiment, the invention uses a voxel-based approach to automatically modify an arbitrarily-shaped model at any stage of the design process. For example, a method of the invention automatically modifies a model of a molded object to comply with a draft angle requirement.

The invention relates to the technical field of communication and discloses a board system, aiming at solving the problems that an FPGA (Field Programmable Logic Array) online update mode is inapplicable for the FPGA online update of a separated type system of a motherboard plus multiple communication interface cards in the prior art, and the update mode is high in cost and low in reliability. The system comprises a motherboard and n interface cards, wherein the motherboard comprises a CPU (Center Processing Unit), a CPLD (Complex Programmable Logic Device) unit and n slot positions; each slot position is connected with the CPLD unit; the CPLD unit is connected with the CPU; the n interface cards are connected onto the n slot positions in a plugging and one-to-one correspondence way through n connectors so as to realize signal interconnection with the motherboard; as an integer, n is greater than or equal to 2; the CPLD unit comprises a gating module and a counting module; the interface cards comprise an FPGA unit, a selector switch, a main flash module and a slave flash module; the main flash module and the slave flash module are connected with the FPGA unit through the selector switch. In addition, the invention also discloses an FPGA online update method of the communication interface cards, which is applicable for the separated type system of the motherboard plus the multiple interface cards.

The invention discloses a three-dimensional design method and system for a nuclear powder support hanger. The three-dimensional design method and system are operated under a PDMS (Plant Design Management System); a nuclear powder support hanger database consisting of a support hanger composition table is hung below a main menu of the PDMS system; the support hanger composition table comprises support hanger types, type description and inner codes; the inner codes are formed according to part types and the part shut sequence forming the support hanger; each support hanger type is in respective one-to-one correspondence to a style picture and the inner code of the support hanger; the design method comprises the following steps of: establishing the support hanger composition table at a first phase according to the type code, the type description and the inner code; generating a preliminary mode of the support hanger at a second phase according to the support hanger description and a corresponding picture; adding a connecting point and a rooting point by setting parameters; and finally, generating a corresponding a support hanger three-dimensional mode, wherein the first phase and the second phase can be continuously and alternatively carried out, or a novel type support hanger in the support hanger composition table during execution at the second phase can be added and modified.

The invention discloses a method for realizing a flexible cable assembling model in a virtual assembling environment according to the application requirements of cable assembling process design and verification in the field of virtual manufacturing. In the method, the cable assembling model is divided into a cable branch model and an electric connector model and the method is implemented by the steps of CAD design information read, model information architecture in the virtual environment, real-time assembling operation and the like, wherein the cable branch model can realize real-time flexible deformation according to a loaded mass spring system and perform clamping assembling operation by setting the attribute of the mass point; and the electric connector model can realize the cable assembling operation such as plugging and the like according to a restraining model. The method adopts the design information of the cable and overcomes the defect that the conventional cable assembling process design and verification depend on a physical model heavily on the premise of not changing cable design parameters. The method has the characteristics of obviously improving the efficiency of product assembling design and reducing design cost, along with accurate model, good intuitive performance and interactivity.

The invention provides a ball joint locking method and a locking device designed according to the method. A ball head of a ball joint is sleeved with a connecting sleeve which can be movably locked with the ball head or be in a release state with the ball head. An abutting assembly connected with a hydraulic system is arranged in a position corresponding to a matching position of the ball head and the connecting sleeve at locking time. Under the action of pressure oil provided by the hydraulic system, the abutting assembly is forced to instantly press the outer surface of the ball head and enables the ball head to abut against the position matched with the connecting sleeve at the same time, so that the abutting assembly and the connecting sleeve lock the ball head in a multipoint mode. When pressure is released, the abutting assembly and the connecting sleeve can restore to original positions automatically, so that the locking state and the release state of the ball joint can be switched quickly. According to the ball joint locking method and the locking device, the characteristics that the hydraulic system is small in inertia and quick in response are fully utilized, so that that the device have the advantages of being simple in structure, reliable in locking, and good in effect, and can ensure rigid connection and bear certain load moment at the same time. Moreover, locking devices can be connected in series through the same oil path for utilization in one product.

The invention provides an ultra-wideband antenna. The ultra-wideband antenna comprises a dielectric substrate, wherein a radiation unit, a feeding structure and a ground plane are printed on the dielectric substrate; the radiation unit is a forked chip; the feeding structure is a coplanar waveguide feeding structure; and the ground plane is a coplanar waveguide ground plane. The ultra-wideband antenna has a coplanar waveguide structure, so that a single planar printed antenna structure can be realized; the ultra-wideband antenna can be easily integrated with a microwave integrated circuit; the coplanar waveguide ground plane can serve as the ground plane of the whole antenna, and particularly for the coplanar waveguide structure with a wideband slot structure, wideband work can be realized, and the electromagnetic interference of outside on the antenna can be effectively avoided; and wideband impedance bandwidth can be easily realized, and the efficiency of the antenna is improved, so that higher antenna gain can be achieved.

The invention relates to a wireless sensor network-based monitoring and early warning method for a running state of a mine ventilator. Accurate online monitoring and early warning are realized through collecting the vibration, the temperature and the negative pressure information of the ventilator. A monitoring and early warning system comprises a monitoring computer, a Zigbee coordinator node, at least six sensor nodes, at least four temperature sensors, a negative pressure sensor and two vibration sensors, wherein the coordinator node and the sensor nodes are built into a wireless sensor network in a self-organization way; the monitoring computer and the coordinator node are connected through a serial interface line; the four temperature sensors are respectively fixed on bearing bushes at both sides of a motor and a fan; the two vibration sensors are horizontally and vertically arranged on a fan shell; and the negative pressure sensor is connected onto a negative pressure measuring pipe on the fan. According to the wireless sensor network-based monitoring and early warning method for the running state of the mine ventilator, the early warning is more timely and diagnosis is more accurate by adopting integrated diagnosis method of built-in countermeasure base and relative threshold early warning and fuzzy theory.

A message that contains train on-track information and reservation information of a train detection section and direction information and reservation information of a switch is circulated among a train detector, switch machine, signal device controller and a route indicating device. The train detector updates train on-track information of a train detection section contained in the signaling message, the switch machine updates switch direction information in the signaling message, and the route indicating device updates reservation information of the train detection section and the switch contained in the signaling message. Via the signaling message, the train detector can transmit the train detection result to the signal device controller and the route indicating device, the switch machine can transmit switch condition to the signal device controller, the route indicating device transmits route reservation to the switch machine and the signal device controller, and based on the transmitted train detection result, switch condition and route reservation condition, the signal device controller transmits travel permission or travel non-permission for the assigned route to a train.

A touch panel and a touch liquid crystal display (LCD) using the touch panel are provided. The structure of the touch panel is directly formed on an upper polarizer instead of a glass substrate. Thereby, the process of integrating the touch panel and an LCD panel is simplified and the glass substrate of the touch panel is eliminated. Thus, the cost, the thickness and the weight of the touch LCD are reduced.

The present invention provides a collocation method of liquid crystal screen parameters. Said method includes the following steps: in EEPROM presetting at least two screen-type selection parameters, in which one presentation screen parameter is stored in EEPROM, other presentation screen parameters are solidified in program; fetching screen-type selection parameters in EEPROM, judging storage position of every screen parameter; obtaining screen parameter from storage position of screen parameter and gamma list; according to obtained screen parameters collocating liquid crystal screen, and initializing liquid crystal screen control chip; and restoring gamma culve and writing gamma culve value into liquid crystal screen control chip.