39results about How to "Reduce traffic demand" patented technology

The invention belongs to automobile transmissions, in particular to a hydraulic control system for a wet-type double-clutch automatic transmission. The hydraulic control system consists of two separate subsystems, wherein one subsystem is a clutch and gearshift mechanism hydraulic control subsystem which is mainly used for operating an odd number gear clutch and an even number gear clutch to separate and combine according to a control signal transmitted by an electronic control unit as well as operating a gear-shift mechanism control oil cylinder to finish switching of each gear synchronizer; and the other subsystem is a clutch cooling and lubricating subsystem. By adopting a more scientific and reasonable hydraulic control system, the efficiency of the hydraulic control system for the wet-type double-clutch automatic transmission is improved, the fuel consumption is reduced, the effects of saving energy and reducing emission are achieved, and the reliability of the system work and the compactness of the structure are enhanced.

Methods, apparatus, media and signals for assigning frequency channels to a beam in a multi-beam cellular communications system are disclosed. One method involves receiving an indication of channel quality representing a channel quality in the second region, of a frequency channel used in the first region to communicate with the source. The method further involves handing off the frequency channel to a transceiver in the second region to cause the transceiver in the second region to use the frequency channel to communicate with the source in the second region, in response to the indication representing at least a pre-determined minimum channel quality.

An excavator energy-recuperation system relates to an excavator moving arm energy saving system, comprising a hydraulic cylinder, a fuel tank, a quantitative pump, a valve and an engine. The key technology is that a first variable pump and a speed determining photoelectric encoder are coaxial equipped with the quantitative pump. One end of the quantitative pump is connected with a hydraulic cylinder through a reversing valve and the other end of the quantitative pump is respectively connected with the fuel tank and the hydraulic cylinder on two branches. One end of the first variable pump is connected with the fuel tank and the other end is connected with an accumulator through the reversing valve. A second variable pump is coaxial arranged with the engine, one end of the second variable pump is connected with the fuel tank and and the other end is connected with a check valve; a fuel outlet of the check valve has three branches, wherein the first one is connected with the accumulatorthrough the reversing valve; the second one is connected with a hydraulic cylinder through the reversing valve; and the third one is connected with a hydraulic cylinder through the reversing valve. The invention combines the flow regeneration and potential energy recuperation, thus simultaneously realizing the flow regeneration and the energy-recuperation recycling, improving the utilization rateof the excavator energy and prolonging the service life of the excavator.

The invention relates to a video transmission method for a web camera. The video transmission method for the web camera comprises the steps as follows: 1) the web camera establishes connection with a client program through the Internet; 2) a client generates control information according to current manual or automatic operation and transmits the web camera; 3) the web camera processes pictures collected by a sensor according to the received instruction; 4) the web camera performs video streaming coding to a processed image sequence; 5) the web camera embeds the play information based by processing the video streaming in the video streaming and transmits to the client, or transmits to the client with an individual data format via a networking protocol; 6) the client decodes and displays according to the received video streaming and play information; 7) the second step to the sixth step is repeated while the play information of the client is changed. The method of the invention solves the problem of providing the high-quality, high-fluency and high-definition video to a user when the bandwidth is not enough.

The invention provides a method for controlling signals in a high-density road network during traffic peak. According to the total of traffic flows in the high-density road network, the method collects basic data about the high-density road network, which includes traffic static data, traffic dynamic data, and decision-making data from a decision maker, wherein, both the traffic static data and the decision-making data from the decision maker are classified as static data which is acquired from a static database of the high-density road network; the traffic dynamic data is classified as dynamic data which is gathered through traffic flow detection equipment; and a signal control scheme characterized by relatively long green light time length and red light time length is generated and applied to all signal intersections within the high-density road network. By controlling the total of the traffic flows within the high-density road network and realizing coordination among the intersections, the invention achieves the effects of improving the circulation efficiency of the traffic flows at all the intersections within the high-density road network during the traffic peak and reducing delays at the intersections for vehicles, thereby realizing efficient operation of the high-density road network.

Mode of water-cooling for stator is adopted in the invention. Stator frame is modified to cooling structure of four cooling water channels inside four corners formed by rotund inner wall and quadrate outer wall of stator frame so as to form four cooling water channels arranged along four axial directional straight lines. Ribs are formed at thinnest place between rotund inner wall and quadrate outer wall in order to partition four cooling water channels. Through connection holes, the said four cooling water channels are formed a cooling loop in roundabout mode. Besides the said cooling loop in roundabout mode, cooling water channels are prepared on two end plates. Partial water cooling channel on stator frame are connected to cooling water channels on end plates to form two pieces of branched roundabout cooling water loop so as to cool disclosed traction motor.

The invention discloses a file distribution system and a file distribution method based on IPFS, wherein a console is used to be provided to file distribution user for file distribution, a schedule system manages a plurality of area management nodes, and controls the scheduling of file distribution tasks, selectively deliveries the file distribution tasks to the zone management node managed by theschedule system, an area management node is responsible for downloading the files that need to be distributed, uploading to IPFS, addressing of file resources, and distribution of file distribution tasks to some edge nodes in the region. The edge nodes are used for receiving the file distribution tasks from the area management node where the edge nodes are located, downloading files, providing CDN services, and continuing to distribute file distribution tasks in a point-to-point manner. The file distribution system and the file distribution method of the invention combine the comprehensive advantages of the cloud and the edge equipment, and improve the file distribution efficiency through a point-to-point transmission protocol.

The invention discloses a device and method for high-power laser heat management based on spray evaporation. The device for the high-power laser heat management comprises a high-pressure spray chamber arranged on a laser heat sink, a spray nozzle array and an air pressure sensor are arranged in the high-pressure spray chamber, the high-pressure spray chamber is adjacent to a transitional chamber, the transitional chamber is connected with a high-pressure liquid storage tank through a high-pressure electric pump, a spray liquid returning and accumulating area on the bottom portion of the high-pressure spray chamber is connected with the transitional chamber through the high-pressure electric pump, the high-pressure spray chamber is further connected with an exhaust pipe, and a decompression valve is arranged on the exhaust pipe. The method for the high-power laser heat management is achieved through the device for the high-power laser heat management, and the method is used for maintaining the pressure of gas refrigerants in the high-pressure spray chamber to be constant, and therefore temperature is maintained to be constant to achieve constant temperature control over the laser heat sink. The device is simple and reliable in structure, high in compactness, accurate in temperature control and stable in operation, and the method is simple and easy to implement, high in efficiency and environmentally friendly.

The invention discloses an automatic locking and leveling system of a vehicle. The requirements of small size, low power, economical efficiency, reliability and stability of the leveling system are met, and furthermore, a leveling method matched with the leveling system is provided. The flow of each stage of leveling is adjusted through an electromagnetic valve, the problems of the judgment of grounding of hydraulic supporting legs, the judgment of the vehicle lifting height, the judgment of the stretching and retracting limit position and the like generated after a hydraulic supporting leg displacement sensor is removed are solved, so that the high-precision leveling of the vehicle or a platform is realized.

The invention discloses a panoramic image-based panoramic video producing method. According to the method, multiple nodes are set, a panoramic image is formed on each node, a camera is set, the cameramoves from one node to another node, the panoramic image on the node rotates by taking the node as the center of a circle, a rotating speed of the panoramic image and a moving speed of the camera areset to be matched with each other, when the camera moves from one node to another node, the panoramic images of the two nodes are spliced, and the camera records to form a video. The method has the advantages of reducing the data amount of the panoramic video greatly while delivering high visual experience, and lowering the costs of content storage and transmission.

The invention discloses a hydraulic control system for continuous lifting of an ocean platform and belongs to the technical field of hydraulic systems. The input end of a hydraulic pump in the hydraulic control system communicates with an oil tank. The output end of the hydraulic pump communicates with an opening P of a first three-position and four-way reversing valve and an opening T of a second three-position and four-way reversing valve. An opening A and an opening B of the first three-position and four-way reversing valve communicate with a rod cavity and a rodless cavity of a first lifting oil cylinder correspondingly. An opening T of a first two-position and three-way reversing valve communicates with an opening T of the first three-position and four-way reversing valve and an opening A of the second three-position and four-way reversing valve. An opening A and an opening B of the first two-way and three-way reversing valve communicate with a rodless cavity and a rod cavity of a second lifting oil cylinder correspondingly. An opening P of the second three-position and four-way reversing valve communicates with an opening P of a second two-position and three-way reversing valve. An opening A and an opening B of the second two-position and three-way reversing valve communicate with the rod cavity and the rodless cavity of the first lifting oil cylinder correspondingly. According to the hydraulic control system for continuous lifting of the ocean platform, one hydraulic pump can be used for jointly controlling the two lifting oil cylinders.

The invention provides a vehicle, vehicle-mounted equipment, an OTA file server and an upgrading method of the OTA file server. The vehicle-mounted equipment comprises a vehicle-mounted processor anda wireless communication module, the vehicle-mounted processor inquires OTA upgrade package information corresponding to the upgrade version, and obtains a first downloading path of the split public data and a second downloading path of the difference data, and the wireless communication module is used for downloading the public data from the CDN service network pointed by the first downloading path through the CDN acceleration channel, downloading the difference data through the second downloading path, synthesizing the public data and the difference data by adopting a predetermined algorithmto obtain an OTA upgrade package corresponding to the OTA upgrade package information, and upgrading the OTA upgrade package. According to the application, a CDN acceleration scheme can be supportedtechnically, OTA personalized upgrade package upgrade is supported, the cloud encryption and decryption operation resource overhead is reduced, the network traffic overhead of a user is reduced, and the storage and traffic requirements on the CDN of the cloud can also be reduced.

The invention relates to a main pump pressure control system for a drill jumbo. The system comprises a power source module, an impact pressure section module, an impact pressure reduction module, a main pump pressure control module, a drill arm control guide module, a drill arm action sensing module and a drill arm multiway valve. Compared with the prior art, the main pump pressure control systemfor the drill jumbo has the advantages that the set pressure of a main pump is automatically matched according to the requirement of an execution mechanism, the working pressure of the main pump is increased, the flow requirement of a rock drill is reduced to make the main pump in a high-pressure small-flow state at the same time, and the load of a motor is at a reasonable level.

The invention relates to the field of construction structure, in particular to a curtain wall supporting structure optimizing aerodynamic configuration of a high-rise building. The curtain wall supporting structure is arranged on the periphery of the building body, and the building body comprises a top structure reinforcing layer and a bottom structure reinforcing layer. The curtain wall supporting structure is characterized by comprising ring beams, radial support rods, hanging rods and anti-torsion parts, wherein the ring beams are vertically arranged in multiple layers, each layer of ring beams surrounds the periphery of the building body, two ends of the radial support rods are connected with the building body and the ring beams respectively, several radial support rods are arranged on each layer of ring beams, the hanging rods are connected with the ring beams, the tops of the hanging rods are connected with the top structure reinforcing layer, and the anti-torsion parts are arranged between the building body and the ring beams. The curtain wall supporting structure is firm and reliable, regular simplicity of the building body and excellent aerodynamic configuration and appearance of the curtain wall can coexist, and manufacturing cost of engineering is reduced. Meanwhile, heat insulation and preservation can be realized by setting the internal curtain wall, and building operating efficiency is improved.

The invention relates to a heavy-load forging and pressing equipment hydraulic system with controllable feeding speed, and a control method. The heavy-load forging and pressing equipment hydraulic system comprises a sliding block, a displacement sensor, a double-acting fast feeding cylinder, a fast feeding hydraulic oil way, a single-acting working-feeding cylinder, a working-feeding hydraulic oil way, a human-computer interface and an industrial personal computer. The fast feeding hydraulic oil way and the working-feeding hydraulic oil way each comprise an oil source, a one-way cartridge valve set, a direction control cartridge valve set, a servo proportional valve, a pressure cartridge valve set, an oil pressure sensor and an energy accumulator. The working-feeding hydraulic oil way further comprises a liquid charging valve set. The industrial personal computer is connected with the human-computer interface, the one-way cartridge valve set, the pressure cartridge valve set, the oil pressure sensor, the direction control cartridge valve set, the servo proportional valve, the liquid charging valve set and the displacement sensor. According to the heavy-load forging and pressing equipment hydraulic system with the controllable feeding speed, and the control method, production efficiency is improved, the needs for flow are relatively small, machining requirements of various forge pieces with large sizes and complex shape sizes can be met, energy is saved, efficiency is improved, and high precision of motion of forging and pressing equipment is ensured.

The invention discloses a piezoelectric ceramic diaphragm pump, which comprises an elastic film, a spherical shell, a vibrating tube, a piezoelectric element, a pump cavity roof cover, a sealing gasket, a pump cavity bottom cover, an inlet check valve, an outlet check valve and a diaphragm. The outer wall of one end of the vibrating tube is connected with the piezoelectric element; the end face of the other end of the vibrating tube is connected with the spherical shell; the opening of the spherical shell is sealed by the elastic film; the common end of the piezoelectric element and the vibrating tube is fixedly connected with the pump cavity roof cover; the diaphragm is arranged in the pump cavity roof cover; the pump cavity roof cover is fixedly connected with the sealing gasket and the pump cavity bottom cover; the pump cavity bottom cover is provided with the inlet check valve and the outlet check valve. By adopting the technical scheme provided by the invention, the piezoelectric ceramic diaphragm pump has the characteristics of simple structure, convenient control, high output efficiency and high-frequency drive, and also can achieve the goals of no pollution, corrosion resistance and high single flow rate of pumping solution. Moreover, the piezoelectric ceramic diaphragm pump has the characteristic that quantitative input liquid can be kept.

The invention provides a cargo-to-person sowing and sorting integrated workstation and a sorting method thereof. The cargo-to-person sowing and sorting integrated workstation comprises at least one sorting table, an output floor changing elevator, conveying lines and a control system, wherein each conveying line comprises a corresponding main conveying line used for supplying and discharging cargoes and a corresponding plurality of auxiliary conveying lines, the main conveying lines are provided with first ends and second ends correspondingly, the first ends are used for inputting cargo sourceboxes from an external storage area, the second ends output order boxes on the conveying lines to the outside through the output floor changing elevator, a plurality of floors of cargo shelves are arranged on the sorting table, each floor of cargo shelf is provided with a plurality of stations, the stations comprise cargo source box stations and order box stations, each floor of cargo shelf is provided with the corresponding conveying line, one of the corresponding conveying line comprises the corresponding main conveying line, and the other of the corresponding conveying line comprises corresponding auxiliary conveying lines. The sorting method is high in automation degree, high in sorting efficiency, low in labor intensity, low in flow requirement for a box type vertical warehouse and the conveying lines, low in cost, diversified in service form and high in universality.

The invention belongs to the technical field of blast furnace smelting, and relates to a hydraulic clay gun differential control loop and a control method. The control loop comprises a mud beating control loop and a rotation control loop which are independent of each other, an oil inlet P1 of a first reversing valve communicates with an oil supply pipeline P through an oil duct, an oil return opening T1 of the first reversing valve communicates with an oil return pipeline T through an oil duct, and an oil drainage opening Y1 of the first reversing valve communicates with an oil drainage pipeline L through an oil duct; and hydraulic oil output by a first output oil port A1 of the first reversing valve is divided into two paths which respectively communicate with a first working port and a second working port of a clay gun rotating oil cylinder. The rotary control loop cancels the control of a rotary hydraulic lock, the rotary impact is reduced, and the rotary back pressure of the clay gun can be adjusted according to the load; and a differential control loop formed by a second hydraulic control one-way valve, an overflow valve, a first hydraulic control one-way valve, a first throttling valve and a first ball valve is adopted, so that the rotating stop position of the clay gun has good stability, the rotating flow of the clay gun is increased, and the rotating speed is increased.

The invention discloses a device and method for high-power laser heat management based on spray evaporation. The device for the high-power laser heat management comprises a high-pressure spray chamber arranged on a laser heat sink, a spray nozzle array and an air pressure sensor are arranged in the high-pressure spray chamber, the high-pressure spray chamber is adjacent to a transitional chamber, the transitional chamber is connected with a high-pressure liquid storage tank through a high-pressure electric pump, a spray liquid returning and accumulating area on the bottom portion of the high-pressure spray chamber is connected with the transitional chamber through the high-pressure electric pump, the high-pressure spray chamber is further connected with an exhaust pipe, and a decompression valve is arranged on the exhaust pipe. The method for the high-power laser heat management is achieved through the device for the high-power laser heat management, and the method is used for maintaining the pressure of gas refrigerants in the high-pressure spray chamber to be constant, and therefore temperature is maintained to be constant to achieve constant temperature control over the laser heat sink. The device is simple and reliable in structure, high in compactness, accurate in temperature control and stable in operation, and the method is simple and easy to implement, high in efficiency and environmentally friendly.

The invention belongs to the technical field of six-degree-of-freedom mechanical structures, and more specifically relates to a six-degree-of-freedom platform and its application. The six-degree-of-freedom platform includes: a base, a moving platform, and six driving devices connecting the base and the moving platform, and any one of the six driving devices is used to drive the moving platform to complete the movement of six degrees of freedom; The driving device includes a hydraulic cylinder, a first hinge beam, and a second hinge beam hinged to the first hinge beam. One end of the hydraulic cylinder is connected to the first hinge beam, and the other end is connected to the second hinge beam. The connection is used to change the angle between the first hinge beam and the second hinge beam; the first hinge beam and the second hinge beam are respectively connected in rotation with the base and the moving platform. The invention utilizes the hinge structure formed by the first hinge beam and the second hinge beam to realize the speed amplification of the linear motion of the piston rod of the hydraulic cylinder, so as to ensure the stable and safe operation of the hydraulic cylinder and increase the service life of the hydraulic cylinder.

The invention provides a magnetic seal grain adsorption fixing device and a use method. The magnetic seal grain adsorption fixing device comprises a magnetic seal adsorption module, an air duct module, a magnetic seal return module and an adsorber base, wherein the magnetic seal adsorption module, the air duct module and the magnetic seal return module are mounted on the adsorber base, and the air duct module is used for connecting a vacuum extractor with the magnetic seal adsorption module. The magnetic seal adsorption module can realize sealing and conducting states, no airflow passes a through hole in the adsorption module in the sealing state, and grain adsorption force can be generated by airflow passing the through hole in the adsorption module in the conducting state, and grains are fixed. The magnetic seal return module is connected with a power supply, so that the magnetic seal adsorption module in the conducting state returns to the sealing state. The magnetic seal grain adsorption fixing device and the use method are strong in grain adsorption force, and the grains are easily recycled and cannot be damaged or polluted.

The invention discloses a sea catching ship catch shelf-type quick-freezing device. The quick-freezing device comprises a shelf frame, a non-freezing liquid inlet main pipe, a non-freezing liquid outlet main pipe and a plurality of hollow quick-freezing flat plates, wherein liquid separating pipes and liquid returning pipes are connected to the two ends of the quick-freezing flat plates, the liquid separating pipes are connected with the non-freezing liquid inlet main pipe, the liquid returning pipes are connected with the non-freezing liquid outlet main pipe, a plurality of partitioning plates are arranged in the quick-freezing flat plates at intervals in the width direction, the partitioning plates partition internal spaces of the quick-freezing flat plates into a plurality of independent non-freezing liquid flow channels, the two ends of the non-freezing liquid flow channels communicate with the liquid separating pipes and the liquid returning pipes through non-freezing liquid inlets and non-freezing liquid outlets correspondingly, a plurality of baffling units are arranged in the non-freezing liquid flow channels at intervals in the length direction of the quick-freezing flat plates, a turbulent flow area is formed in a space between each adjacent baffling units, and at least two turbulent flow balls which are staggered from each other are arranged in each turbulent flow area. The quick-freezing device has the advantages that the structure is compact, the heat transfer coefficient is large, the heat exchange effect is good, the liquid supply flow requirement of a freezing liquid is low, and the freezing and the quick freezing are fast, and the quick-freezing device is very suitable for being applied to a sea catching ship for quick-freezing of catch.

The present disclosure provides an integrated exhaust manifold cooling jacket. A system for an integrated exhaust manifold cylinder head is provided. In one example, an exhaust manifold for a vehicle includes: a plurality of exhaust runners coupling a plurality of cylinder exhaust outlet ports to an exhaust outlet port, the plurality of exhaust runners forming at least a first exhaust passage and a second exhaust passage at the exhaust outlet port; an upper cooling jacket positioned vertically above the first exhaust passage; a lower cooling jacket positioned vertically below the second exhaust passage; and a central cooling jacket positioned vertically below the first exhaust passage and vertically above the second exhaust passage.

The invention relates to a data association method for an alcohol detector and a law enforcement recorder. The method comprises the following steps: S1, providing an alcohol detector and a law enforcement recorder in communication connection with the alcohol detector; s2, performing alcohol detection on the detected person by the alcohol detector to obtain an alcohol detection result, and sending an alcohol detection event marking command to the law enforcement recorder; s3, the law enforcement recorder marks law enforcement audio and video clips corresponding to alcohol detection in the step S2 as alcohol detection event files with alcohol detection event file names according to the alcohol detection event marking command. According to the invention, the alcohol detection data and the video data of the law enforcement recorder are immediately associated on the alcohol detection site; the data association between the alcohol detector and the law enforcement recorder can be realized at a remote end, namely a server end; the intelligent degree of drunk driving investigation can be improved, the law enforcement work efficiency is improved, the law enforcement work accuracy is ensured, and the flow demand for real-time uploading of detection data is saved.

The invention discloses a dynamic election method for edge computing nodes based on blockchain. In this method, the smart contract for scoring edge nodes is designed and selected by the edge computing node user based on different workloads and is released to the Internet after being reviewed by the blockchain. On the chain; every once in a while, after the smart contract is triggered, the original node and the existing node will dynamically elect the appropriate regional management node; dynamically adjust the number of regional management nodes; use regional management nodes for load balancing. The invention's dynamic election method for edge computing nodes based on blockchain combines the comprehensive advantages of blockchain and edge devices. Through the real-time distributed storage and calculation of blockchain, it ensures the non-tamperability and decentralization of node information. It implements the election strategy for edge nodes and improves the security and credibility of shared computing.

The invention discloses a shelf-type quick-freezing device for fish catches of a sea fishing vessel, which comprises a shelf, a main pipe for inlet liquid of antifreeze, a main pipe for outlet liquid of antifreeze, and several hollow quick-freezing flat plates. Pipe and liquid return pipe, the liquid distribution pipe is connected with the antifreeze liquid inlet main pipe, the liquid return pipe is connected with the antifreeze liquid outlet main pipe, and several partitions are arranged at intervals along the width direction in the quick-freezing plate, and the partitions will separate the inside of the quick-freezing plate. The space is divided into multiple independent antifreeze flow channels. The two ends of the antifreeze flow channel are respectively connected to the liquid distribution pipe and the liquid return pipe through the antifreeze liquid inlet and antifreeze outlet. A number of baffle units are arranged at intervals in the length direction, and the space between adjacent baffle units forms a flow-disturbance area, and at least two flow-disturbance balls are arranged in the flow-disturbance area. The invention has the advantages of compact structure, large heat transfer coefficient, good heat exchange effect, low requirements on the liquid supply flow rate of the freezing liquid, fast freezing and quick freezing, and is very suitable for quick freezing of catches on sea fishing ships.