179results about How to "Stable and efficient transmission" patented technology

An optical electrical hybrid cable for transmitting an optical signal and an electrical signal simultaneously is provided. The optical electrical hybrid cable includes a fiber-optic cable disposed in the center of the optical electrical hybrid cable, and including a plurality of tubes each of which comprises a plurality of optical fibers operatively mounted in an inner space thereof, and a first binder disposed around the plurality of tubes, a plurality of power cables disposed around the fiber-optic cable, each of the power cables comprising a plurality of conducting wires, and a second binder disposed around the plurality of power cables.

An optical electrical hybrid cable for transmitting an optical signal and an electrical signal simultaneously is provided. The optical electrical hybrid cable includes a fiber-optic cable disposed in the center of the optical electrical hybrid cable, and including a plurality of tubes each of which comprises a plurality of optical fibers operatively mounted in an inner space thereof, and a first binder disposed around the plurality of tubes, a plurality of power cables disposed around the fiber-optic cable, each of the power cables comprising a plurality of conducting wires, and a second binder disposed around the plurality of power cables.

The ball screw apparatus includes a returning way L2 by mounting a circulating member 15 in mounted holes 16, 17 formed in the ball screw nut 13. The ball screw nut 13 includes a base portion 51 and an expanding portion 52. In the base portion 50 a distance from an axis center O1 of the rack shaft 3 to a bottom portion 14a of the nut side screw groove 14 is constant, and in the expanding portion 52 the distance is larger than that of the base portion 51. The expanding portion 52 includes a connecting area 34.

A transmission schedule constructing apparatus capable of constructing a transmission schedule for use in time division multiple access of stations on a power line communication network to a power line which is a communication medium, in which the transmission schedule is constructed based on a cyclic change in a transmission quality of communication medium depending on an alternating current power source cycle on the power line and a parameter relating to transmission quality designated in the schedule allocation request.

As one example, a propulsion system for a vehicle is provided, comprising: a propulsion device configured to provide mechanical work via a crankshaft; a transmission having an input shaft coupled with the crankshaft and an output shaft, wherein said transmission includes a plurality of selectable gear ratios between the input and output shaft; at least one drive wheel coupled with the output shaft; an actuation device configured to adjust the selected gear ratio of the transmission; and a control system configured to adjust an electrical signal provided to the actuation device to obtain an indication of a temperature dependent electrical parameter of the actuation device and to adjust the selected gear ratio of transmission by varying the signal provided to the actuation device in response to said indication.

The invention discloses a double-screen interaction method based on a Hypervisor intelligent cockpit operating system. The method comprises the following steps: constructing a central control displayvirtual extension screen end at the central control display touch screen end; creating a frame buffer physical address corresponding to the central control display virtual extension screen, synthesizing a central control display virtual extension screen end display interface and an instrument display screen end display interface which need to be interacted, and writing the synthesized interfaces into the frame buffer physical address for transmission; utilizing a Hypervisor system to create a communication mechanism used for transmitting the framebuffer physical address, an asynchronous notification mechanism used for image information control, a real-time image information signal synchronization mechanism and an image keep-alive information heartbeat notification mechanism used for synchronous waiting. According to the method, one processor is adopted, on the basis of the Hypervisor virtualization technology, two screens of the double systems are achieved, an additional hardware physical connection mode is not needed, meanwhile, the function of displaying image information by an independent application is started, a double-screen interaction mode is achieved, and the hardware costof the intelligent cockpit operating system is reduced.

A vehicle power transmission system comprises: a prime mover mounted on a vehicle body frame; a first axle and a first transaxle for driving the first axle disposed at one of front and rear portions of a vehicle, the first transaxle having a first input part projecting outward therefrom, and the first transaxle having a power take-off shaft projecting outward therefrom opposite to the first input part; a speed-changing transmission drivingly interposed between the prime mover and the first input part; a second axle and a second transaxle for driving the second axle disposed at the other rear or front portion of the vehicle, the second axle having a second input part; and a power take-off train extended from a leading part to an ending part. The prime mover is disposed between the first transaxle and the second transaxle in a fore-and-aft direction of the vehicle. The leading part of the power take-off train is drivingly connected to the power take-off shaft, and the ending part of the power take-off train is drivingly connected to the second input part. The leading part of the power take-off train is separated from the first transaxle and laterally offset from the prime mover.

The invention discloses a superhigh-frequency coaxial connector and relates to the technical field of coaxial connectors. The superhigh-frequency coaxial connector solves the transmission problem of 50-65GHz superhigh-frequency signals. The connector comprises an outer conductor, an inner conductor and an insulating support, the outer conductor is composed of a shell body and a sleeve barrel, a clamping groove used for fixing the insulating support is formed in the sleeve barrel, the insulating support is composed of three sheet type insulators, and good microwave transmission performance and good mechanical supporting strength can be simultaneously ensured, an inserting hole is formed in the inner conductor, the inserting hole is provided with a taper angle which is gradually increased before an opening is closed up, and the consistency of the diameter of a transmission line and the diameter of the inner conductor can be ensured after an inserting needle is inserted into and combined with the inserting hole. The connector is good in electrical performance, high in mechanical reliability, and capable of efficiently and stably transmitting microwave signals with frequency as high as 65GHz.

The invention discloses a remote update method and system. The method comprises the following steps: receiving firmware update information broadcast by a gateway through at least one coordinator; sending an update request for requesting update data to the gateway; receiving the update data taking frames as units transmitted by the gateway in response to the update request; updating firmware based on the received update data; and simultaneously transmitting the update data taking the frames as the units to two non-updated coordinators by updated coordinators, and updating all the coordinators at an update speed being an exponential multiple of 2. According to the method and the system, remote update processes is executed in background, so that normal use of current network equipment is not influenced, and the network equipment can process other data normally in the remote update processes. The remote update processes of the network equipment are independent, so that mutual influences are avoided, and the update efficiency is increased.

The invention discloses an isomorphous, high performance cobalt nickel @ cobalt nickel core-shell structure material and a preparation method and application thereof. The preparation method of the isomorphous, high performance cobalt nickel @ cobalt nickel core-shell structure material comprises the following steps: 1) pre-treating the foam nickel; 2) mixing the nickel salt, cobalt salt, urea and solvent to prepare a solution A, then placing the solution A in an airtight condition to carry out hydrothermal reaction, and then separating the solid and the liquid and performing washing and drying on the separated solid to prepare the foam nickel covered with precursor; 3) mixing the nickel salt, cobalt salt, six methylene four amine (MHT) and the solvent to prepare a solution B, then placing the foam nickel covered with precursor and the solution B in an airtight condition to carry out hydrothermal reaction, and then separating the solid and the liquid and performing washing, drying and calcining to obtain the isomorphous and high performance NiCo2O4 @ NiCo2O4 core-shell structure material. The cobalt nickel @ cobalt nickel core-shell structure material prepared through the method has excellent electrochemical performances.

Disclosed herein is a novel drivetrain concept developed for the four wheel drive vehicle. This drivetrain is specifically designed to operate in conjunction with the extreme-travel independent suspension system, an independent suspension system that is disclosed in the U.S. patent application, Ser. No. 14 / 059,062; whereby, the criterion of this drivetrain design is dictated by the unique suspension configuration of the leading links. Inspired by Ford's twin-traction beam front suspension system, a key component of the drivetrain concept is a unique frame-mounted reverse power coupler, other components including a differential-mounted offset power coupler and differential housing assemblies. The drivetrain concept embraces the suspension system's fundamental properties-handling quality like an independent suspension system and travel and articulation capabilities potentially superior to that of a solid axle—by securing all weight-bearing components directly or indirectly to the frame and utilizing long axle shafts whose joints coincide with those of the leading links.

The invention discloses a material belt subpackaging machine, a material belt subpackaging machine system and a material belt subpackaging method. The subpackaging machine comprises a feeding device,a guiding device, a moving platform, a material belt transition device, a separating receiving device, a slitting device, an adhesive tape pasting device, a pressing device, a machine frame and a control module. Due to the fact that the subpackaging machine is reasonable in structural design, small in occupied space, high in automation and integration level, and high in subpackaging speed, the design thought that formerly, the integer quantity of packaging material discs do not subpackaged, and the tail disc material allowance is counted by improving the intelligence of the automatic system isbroken through, the steps that the integer quantity of packaging material discs is divided according to the actual production requirements, thus, the integer quantity of packaging material discs be subpackaged into two or more subpackaging material discs, accordingly, tail disc material allowance counting is thoroughly given up are designed, material effective management is substantially improved, the material management time is saved, and remarkable effects on material control and cost reduction in the production technology are achieved.

It is desirable to more stably and efficiently transmit light in a housing of a light source unit. A light source unit 13, which emits a laser beam L to a light guide part 40, includes: a unit housing 13b that includes a connector receiving portion 51b detachably connected to a connector portion 51a; a light source 30 that is installed in the unit housing 13b and outputs the laser beam L; a diffusion part 80 that diffuses the laser beam L output from the light source 30; a condensing lens system 81 that condenses the laser beam L diffused by the diffusion part 80; and an optical fiber 82a that transmits the laser beam L, which is condensed by the condensing lens system 81, to the connector receiving portion 51b. The connector receiving portion 51b optically connects the optical fiber 82a to the light guide part 40.

The invention provides a method employing a greedy algorithm to distribute channel resources in a multichannel multi-hop wireless network; the method comprises the following steps: step 1, each node detects basic information of a node may be having mutual interference in data transmission, and transmission capacity of each node and the interfering nodes are respectively calculated according to the basic information; step 2, carrying out the greedy algorithm to each node; step 3, each node randomly executes the step 2 in sequence until all selectable links in the network all divided into an un-selectable link set SN or a selected set link set S1, and the selected set link set S1 is outputted as the result of the greedy algorithm. The method is very strong in realizability, has very wide application background, can demonstrate high efficiency in a common application scene, so network flow can reach an effect similar to global optima, and the method is very efficient.

A multilevel amplitude modulation device for generating, from digital data, a multilevel amplitude modulation signal having four or more signal levels and outputting the generated signal, including: an average level calculator that selects one of a plurality of preliminarily prepared different candidates for a code word building method such that average level of a symbol array, obtained by adding a symbol for a code word of digital data to be transmitted to one or more already outputted symbols included in a multilevel amplitude modulation signal already outputted, is most approximate to voltage center of the four or more signal levels, and outputs a selection signal indicating the selected method; a signal converter that forms a codeword of the digital data in accordance with the method indicated by the selection signal; and a multilevel modulator that generates a multilevel amplitude modulation signal using the codeword and outputs the generated signal.

The invention discloses a segmented drafting device for yarn, and belongs to the field of textile processing mechanical equipment. A driving mechanism and a drafting mechanism are horizontally and fixedly arranged on a transfer support from top to bottom in sequence, the two sides of a translation guide rod are slidably provided with a front reciprocating guide plate and a rear reciprocating guideplate in the horizontal direction respectively, one side of the front reciprocating guide plate is horizontally and rotationally connected with a front drafting rotation roll, and one side of the rear reciprocating guide plate is horizontally and rotationally connected with a rear drafting rotation roll. A yarn inlet press roll is horizontally arranged on one side of a yarn inlet rotation roll below a drafting support, a yarn outlet press roll is horizontally arranged on one side of a yarn outlet rotation roll, the two sides in the middle of a drafting screw rod are vertically and fixedly provided with a front rotary gear and a rear rotary gear respectively, and the driving mechanism is horizontally arranged on the portion, on the upper side of the drafting support, of the transfer support, wherein the dimensions of the front and rear rotation gears are equal. The segmented drafting device is reasonable in structural design, in the transfer process of the yarn, high-efficiency and stable segmented drafting of the yarn can be achieved, the yarn processing automation degree is improved, and the processing and using requirements are met.

The invention discloses an industrial robot clamping device. The industrial robot clamping device comprises a positioning plate, a lifting supporting frame and a working machine shell, the lifting supporting frame is upwards connected to the positioning plate through electric telescopic rods at the four corners of the top, and a driving gear is in transmission fit with the tooth edge of the left end of a circular ring rack in a gear and rack meshing mode; and a vertical transmission screw rod is installed in a shell cavity of the working machine shell in a rotating state through a bearing andis driven by a servo drive motor to work, the left side block body and the right side block body of an internal thread transmission block are each rotationally hinged to a supporting push-pull arm, the other ends of the supporting push-pull arms are correspondingly and rotationally hinged to the tail ends of clamping arms, the arm bodies of the clamping arms are correspondingly hinged to the framebody of the lifting supporting frame in a rotating mode through hinge shafts, and workpiece clamping plates are further detachably installed on the inner side faces of the arm bodies of the clampingarms. The clamping device is safe and reliable in structure and good in clamping effect.

The invention discloses an environment-friendly composite high-voltage electric power cable for a smart power grid and a preparation method thereof. The environment-friendly composite high-voltage electric power cable comprises a cable core, wherein a halogen-free high-fire-retardant glass cord filling layer is arranged at the gaps of the cable core, the cable core is wrapped with a halogen-free high-fire-retardant glass fiber tape wrapping layer and an extruded polyethylene inner sheath, the inner sheath is wrapped with a galvanized steel strip spiral armor layer with a clearance therebetween, and a thermoplastic halogen-free low-smoke high-fire-retardant polyolefin outer sheath is extruded at the outermost layer; and the cable core is formed by a communication optical fiber, three power cables and three temperature measurement sensing cables twisted together. The cable is good in insulating performance and mechanical performance, and stable in power transmission, online monitoring and communication transmission, also has the high-fire-retardant, halogen-free, low-smoke and environment-friendly properties, is reasonable in structure and excellent in comprehensive performance, and has better product performance indexes than international standards and good social and economical benefits.

The invention provides a track maize harvesting machine. The machine comprises an engine, a working device, a chassis assembly, an operation chamber and a hydraulic system; the working device comprises cutting platform systems, a cluster bin, and a fruit cluster conveyor arranged between the cutting platform systems and the cluster bin; the cutting system comprises a spike cutting device; the chassis assembly comprises a transmission device, a turning braking device and a track travelling system; the track travelling system comprises a frame and a travelling device; a cutting platform bracket for mounting the cutting platform systems is arranged at the front part of the frame; a straightening mechanism is arranged at the lower end of the cutting platform bracket; the working device and the operation chamber are fixed to the left and right on a connecting plate at the front part of the frame; the cluster bin is arranged at the tail part of the frame; the hydraulic system comprises a hydraulic valve, a hydraulic oil tank, a turning oil cylinder, a cutting platform oil cylinder, a hydraulic pump, a radiator and a travelling motor. The machine is under full-hydraulic transmission and high in working adaptability; a plurality of rows of cutting platform systems can be combined in different forms according to the actual working conditions, so that the working efficiency is high.

The invention discloses a superhigh-frequency coaxial connector and relates to the technical field of coaxial connectors. The superhigh-frequency coaxial connector solves the transmission problem of 50-65GHz superhigh-frequency signals. The connector comprises an outer conductor, an inner conductor and an insulating support, the outer conductor is composed of a shell body and a sleeve barrel, a clamping groove used for fixing the insulating support is formed in the sleeve barrel, the insulating support is composed of three sheet type insulators, and good microwave transmission performance and good mechanical supporting strength can be simultaneously ensured, an inserting hole is formed in the inner conductor, the inserting hole is provided with a taper angle which is gradually increased before an opening is closed up, and the consistency of the diameter of a transmission line and the diameter of the inner conductor can be ensured after an inserting needle is inserted into and combined with the inserting hole. The connector is good in electrical performance, high in mechanical reliability, and capable of efficiently and stably transmitting microwave signals with frequency as high as 65GHz.

The embodiment of the invention discloses a cigarette cartridge, an electronic cigarette and a temperature control method. The temperature of tobacco tar is converted into a temperature measuring electric signal through a temperature sensor arranged in the cigarette cartridge; a first control module performs analog-to-digital conversion and analysis processing on the electric signal to obtain a temperature value and cigarette cartridge dry burning signal data; after being encrypted, the temperature value and the cigarette cartridge dry burning signal data are sent to a second control module arranged on a cigarette rod; the second control module can better control the inside temperature of the cigarette cartridge; the use experience of the electronic cigarette is improved; when the cigarette cartridge dry burning signal occurs, an atomizing device is timely controlled to stop working; and the use safety is ensured.

The invention discloses a raw material extruding device for food processing. The raw material extruding device comprises a supporting and mounting plate, wherein a supporting and mounting frame is arranged at the upper end of the supporting and mounting plate; a spherical transmission mounting hood is arranged at the left end of the supporting and mounting frame; a driving motor which is horizontally and rightwards embedded in the supporting and mounting frame is arranged at a middle position of the spherical transmission mounting hood; a transmission rotating shaft is rightwards and horizontally arranged at the right end of the supporting and mounting frame through a bearing sleeve; a sliding material guiding barrel cooperating with the transmission rotating shaft is horizontally arrangedat a middle position of the supporting and mounting frame; a semi-spheroidal feeding barrel of which the opening is upward is arranged at the left end of the sliding material guiding barrel; a semi-spherical material storing and charging cylinder is arranged on the supporting and mounting frame, above the semi-spheroidal feeding cylinder in a cooperation manner; the transmission rotating shaft horizontally extends in the sliding material guiding barrel; and a spiral material guiding plate cooperating with the inner wall of the sliding material guiding barrel is coaxially arranged on the transmission rotating shaft. The raw material extruding device disclosed by the invention has the advantages of being novel in structural design, stable and high-efficiency in transmission, free from material blocking during transporting materials, smooth in discharging, sufficient in power and the like.

A vehicle power transmission system comprises: a prime mover mounted on a vehicle body frame; a first axle and a first transaxle for driving the first axle disposed at one of front and rear portions of a vehicle, the first transaxle having a first input part projecting outward therefrom, and the first transaxle having a power take-off shaft projecting outward therefrom opposite to the first input part; a speed-changing transmission drivingly interposed between the prime mover and the first input part; a second axle and a second transaxle for driving the second axle disposed at the other rear or front portion of the vehicle, the second axle having a second input part; and a power take-off train extended from a leading part to an ending part. The prime mover is disposed between the first transaxle and the second transaxle in a fore-and-aft direction of the vehicle. The leading part of the power take-off train is drivingly connected to the power take-off shaft, and the ending part of the power take-off train is drivingly connected to the second input part. The leading part of the power take-off train is separated from the first transaxle and laterally offset from the prime mover.

The invention discloses a method and a system of data backing-up. The method includes the following steps: S1: binding an ID of storage equipment and a client account, wherein a private cloud platformis run on each of the storage equipment and a client; and S2, realizing connection of the client and the storage equipment through NFC triggering, when connection is carried out, identifying, by theprivate cloud platform, whether information sent by the client includes automatic backing-up identifier, and if yes, starting, by the private cloud platform, to automatically back up data in the client to the storage equipment, wherein an NFC module is set on each of the client and the storage equipment. According to the method, NFC triggering is utilized to realize connection of the client and the storage equipment, and the private cloud platform is utilized to identify whether the information sent by the client includes the automatic backing-up identifier, and thus automatic backing-up of the client data is realized. The method is convenient, highly efficient and fast.

The invention provides a remote control method for an intelligent safe box with the advantages of no need for networking and high safety. The method is characterized by comprising the following steps: (1) establishing short distance wireless communication with a safe box body through search matching when an unauthorized mobile terminal gets close to the safe box body; (2) transmitting an unlocking application to a background server by the unauthorized mobile terminal after networking, and transmitting the unlocking application to an authorized mobile terminal through networking by the background server; and (3) determining whether the safe box is allowed to be unlocked by the authorized mobile terminal and feeding results back to the background server, wherein the background server does not transmit an unlocking password to the unauthorized mobile terminal if the result is negative; and the unauthorized mobile terminal transmits the unlocking password to a controller of the safe box body through the short distance wireless communication and then the controller controls an electronic lock to be unlocked if the result is positive.

The invention relates to the field of Internet of Things, in particular to an intelligent Internet of Things gateway, gateway equipment and a management method. The intelligent Internet of Things gateway comprises a main control module, a management module used for modifying gateway parameters, a network module used for Internet of Things communication, a storage module used for storing historicalworking states, an Internet of Things module used for receiving and sending data of external Internet of Things equipment, and a Python module used for realizing data uplink and downlink of the Internet of Things module, and the Internet of Things module is connected with the Python module. The main control module is connected with the management module, the network module, the storage module andthe Python module to realize control management; according to the invention, efficient and stable transmission of the Internet of Things data information between the near-end network and the far-endapplication system is realized, further, through network parameter and interface configuration and a preset multi-protocol mode, the Internet of Things data information can be suitable for more different application scenes, functions of remote monitoring, remote control and the like are further added, and the Internet of Things data information transmission efficiency is improved. And the development of the Internet of Things in various industry applications is promoted.

The invention discloses a wheel-track switching type variant wheel which comprises a rim, a deformable track arranged outside the rim and a wheel-track switching mechanism for connecting the rim and the deformable track into a whole. The wheel-track switching mechanism comprises a telescopic device connected to the rim, the telescopic end of the telescopic device is connected with a support, the support is rotationally connected with a telescopic track driving mechanism and a deformable retainer, and the deformable retainer is movably connected with the rim through a connecting piece. The telescopic device stretches out and draws back to drive the deformable retainer to deform so as to drive the deformable caterpillar band to be switched into a wheel type or a caterpillar band type, and the telescopic caterpillar band driving mechanism is used for being switched into the caterpillar band type deformable caterpillar band transmission. The invention further discloses a wheel-track switching type driving walking mechanism, a wheel-track switching method and a multi-axis unmanned combat platform. Based on the wheel-track switching mechanism, rapid wheel-track switching can be achieved, power conversion is achieved while switching is conducted, and rapid and stable wheel-track state and power switching can be achieved.

The invention provides an ultrasonic probe coupling assembly and an ultrasonic probe mechanism. The ultrasonic probe coupling assembly includes a probe clamping sleeve and a solid coupling part. The probe clamping sleeve is used for sleeving an ultrasonic probe. The solid coupling part is fixed in the probe clamping sleeve, one side of the solid coupling part is located in the probe clamping sleeve and used for fitting the ultrasonic probe, and the other side of the solid coupling part protrudes from the probe clamping sleeve and is used for being in contact with the skin. The ultrasonic probemechanism includes the ultrasonic probe coupling assembly and the ultrasonic probe. By pushing the ultrasonic probe, the end of the ultrasonic probe fits with the solid coupling part located on the inner side of the probe clamping sleeve, so that the ultrasonic probe is in seamless transition with the skin, the air between the ultrasonic probe and the skin is eliminated, and the stable and effective transmission of ultrasonic waves is ensured. An ultrasonic probe assembly includes the ultrasonic probe coupling assembly, a gel coupling agent does not need to be used, and the adopted solid coupling part can well fit with the ultrasonic probe.

The invention provides an automatic network distribution method for an intelligent device and the intelligent device, and the method is used for the network access configuration of a new device to besubjected to network distribution, and comprises the following steps: S1, enabling a network-accessed device to automatically search and find the new device through a medium-short distance wireless communication protocol, and building a connection with the new device to be subjected to network distribution; S2, performing data interaction between the networked equipment and the new equipment through a medium-short distance wireless communication protocol, and automatically distributing the network by the new equipment after receiving the network configuration information sent by the networkedequipment. Meanwhile, the invention provides the intelligent equipment for automatic network distribution by adopting the method. The whole network distribution process of the new equipment is automatically completed by the networked equipment and the new equipment, manual intervention and operation are not needed in the period, and the experience of non-inductive network distribution is achieved.Moreover, data interaction is carried out by adopting a medium-short distance wireless communication protocol, efficient and stable transmission of data can be realized in a family range, and the data security is also greatly improved.