72results about How to "Accurate and efficient transmission" patented technology

The invention provides a power utilization information collection method and a system based on a technology of a Beidou satellite navigation system. The technical scheme comprises the following steps of: obtaining a meter reading data message of collected power utilization information, also generating a Beidou communication message by the data conversion of the meter reading data message and transmitting the Beidou communication message to a prepositive end by a Beidou communication link; and reducing the Beidou communication message to the original format of the meter reading data message by the prepositive end and also transmitting to an application server of a central master station for carrying out united managing and monitoring. By adopting the method and the system which are provided by the invention, the power utilization information of residents in a site can be connected to a master station of a power utilization information management system in a seamless way by utilizing the two-way communication function of a Beidou satellite navigation system under the condition that traditional operation equipment is not reconstructed so as to realize the process from the collection of data in the site to the connection of a Beidou communication channel. The power utilization information of regions with undeveloped communication can be effectively and reliably obtained at real time.

The invention discloses a yarn conveying and pulling mechanism, and belongs to the field of textile processing mechanical equipment. According to the yarn conveying and pulling mechanism, a yarn feeding mechanism, a pulling mechanism and a yarn guide mechanism are arranged on a fixing support in sequence in the horizontal direction. A lower yarn bearing guide roller is connected with the portion,located on the lower side of an upper yarn press guide roller, of the fixing support in a horizontal rotation mode. A shaping rotating drum is connected to the portion, located between a front yarn guide roller and a rear yarn guide roller, of the fixing support in a horizontal rotation mode, and a heat-conducting oil pipe is arranged at the shaft ends of the two sides of the shaping rotating drumin a communicating mode. Pulling guide plates are arranged in pulling guide grooves in a sliding mode in the circular arc direction, and the pulling guide grooves are formed in the two sides of the shaping rotating drum. One end of one pulling rotating roller and the same end of the other pulling rotating roller are connected to the pulling guide plates on the two sides of the fixing support in arotating mode correspondingly. A yarn discharging guide roller is connected to the portion, located on one side of an adjusting support, of the fixing support in a horizontal rotation mode. The yarnconveying and pulling mechanism is reasonable in structural design, can efficiently and accurately convey yarn, and can conduct stable pulling shaping on the yarn section by section in the conveying process, the degree of automation of yarn processing is improved, and the requirements of production and usage are met.

The invention provides a wireless sensor network data acquisition method based on multi-hop routing and mobile elements. The method includes obtaining a network through wireless sensor nodes and a base station, by means of sensor node position determination and identifier determination, planing the mobile element walking routes, completing the information transmission between the wireless sensor nodes and the mobile elements, and allowing the mobile elements to transmit the information acquired during walking to the base station until the network dies. The method is adaptive to large scale, self organization, random arrangement, environment complexity and other characteristics of the wireless sensor network and can be arranged and used in a large amount in the field which is populated sparsely, the mobile elements and the traditional clustering algorithm are combined, the data can be transmitted effectively and accurately, the energy consumption of the sensor nodes is reduced, the topology structure changes while the nodes die, the cluster head node and the second level cluster head are re-selected, the energy consumption of the cluster head node is reduced to the utmost extent, and the total survive time of the network is prolonged.

The invention discloses a mechanism for turning and processing disc workpiece, which belongs to the field of workpiece continuous processing auxiliary mechanical equipment. According to the invention,an upper fixing bracket is vertically disposed on the upper side of a lower fixing bracket, a front conveying mechanism is horizontally disposed on the upper side of the upper fixing bracket, a feeding mechanism is horizontally fixed and disposed on one side of the front conveying mechanism, a turning mechanism is vertically disposed on the upper fixing bracket at the lower side of the feeding mechanism, a material guiding mechanism is horizontally disposed on the upper side of the lower fixing bracket at the lower side of the turning mechanism, an unloading mechanism is horizontally disposedon the lower fixing bracket at one side of the material guiding mechanism, and a rear conveying mechanism is horizontally fixed and disposed on the lower fixing bracket between the unloading mechanism and a material-guiding rotating plate. The invention is reasonable in design, and can turn the disc workpiece over one by one smoothly and steadily, and can further process and convey the disc workpiece after turning efficiently and accurately, which improves processing efficiency and quality of workpiece and meets the needs of production and use.

The invention discloses an automatic four-axis manipulator assembly system. The system comprises a rack, wherein an assembly module and a manipulator module are arranged on one side of the rack, and afeeding module is arranged on the rack; the feeding module is ensured to efficiently and accurately delivering materials and parts and grabbing materials on the correct position by utilizing electromagnetic vibration of a round vibration disc and an output rail, vision detection devices are arranged on the manipulator module, and whether a material is complete and direction and position are positioned or not can be conveniently determined; and the assembly module is positioned by adopting multiple sensors to ensure the accuracy of a tooling plate, and the tooling plate is jacked up by adopting a cylinder to fix the tooling plate and improve the assembly stability. According to the automatic assembly system, two vision detection devices for accurate positioning and direction discriminatingare used to automatically identify in a certain deviation area, the whole assembly is not influenced, cost increased generated by the client product accuracy requirement required by the assembly requirement can be reduced. The system can be suitable for large-batch production.

The invention relates to a method for a node to access multiple channels exactly and efficiently in an underwater cognitive network. The method comprises the steps of performing spectrum prediction by utilizing a spectrum sensing result and obtaining state information of each channel after the spectrum sensing; performing optimized allocation based on the current state information of each channel and each channel bandwidth as the optimization goal of spectrum allocation is the maximum channel gain, and the spectrum allocation emphasizes on considering maximization of a channel capacity; dividing multiple time slots in order to avoid long propagation delay of a sound signal and save energy, wherein each control packet and each data packet only can be sent at the start moment of one time slot; and transmitting data by adopting a message string mode, wherein each data transmitting node is required to transmit the data at the start moment of the time slot with the serial number being integer multiples of 4 after the channel allocation is ended. According to the method for the node to access multiple channels exactly and efficiently in the underwater cognitive network, effective throughput of an underwater network system is increased, and efficient transmission of communication data is realized.

The present invention comprises a scoop having an angled or tapered front shovel portion, a shaped back support, an angled handle attached to the back support and a hand guard. A sheath to hold the scoop when not in use is also preferably provided.

The present invention allows a user to place an order on an internal computer system or through a web site automatically by scanning UPC/EAN or product ID barcodes, without the need to modify supplier or other party websites. As such, a compact optical code reader with associated software is disclosed having multiple functions and is capable of performing various data processing functions involving scanned data. The system includes user and supplier identifiers which are employed to facilitate sales transactions.

The present invention provides a multi-antenna vehicle network communication method based on an IEEE802.11p standard. The method comprises the following steps: step one, a plurality of antennas are respectively mounted on a vehicle node/a roadside node as a transmitting terminal and a receiving terminal, to form a multi-antenna vehicle network; step two, the transmitting terminal codes signals; step three, an MIMO doubly-selective channel is used for the wireless transmission of the signals; step four, the receiving terminal combines the signals received from each antenna to perform joint detection on the signals; and step five, the receiving terminal decodes the signals. According to the present invention, the multi-antenna vehicle network communication method combines the MIMO technology in an existing IEEE802.11p standard system, effectively increases the system capacity and spectrum efficiency without increasing the system bandwidth, enables the system to perform rapid information acquisition and information transmission on a vehicle driving at a high speed, realizes the reliable high-speed transmission of traffic signals in an intelligent transportation communication network, improves the transportation efficiency, alleviates the traffic congestion, and improves the road network capacity.

The invention discloses a pipe fitting turning and conveying device, and belongs to the field of workpiece machining and conveying mechanical devices. A turning mechanism is arranged on a conveying support on the upper side of a front conveying mechanism. A pipe moving mechanism is horizontally arranged on a conveying support on the upper side of a rear conveying mechanism. A front pipe conveyingbelt is horizontally arranged on the upper side of a front pipe conveying support. A turning connecting plate is fixedly arranged on one side of a turning gear in the radial direction of the turning gear. A pipe clamping mechanism is fixedly arranged on one side of the turning connecting plate. A rear pipe conveying belt is horizontally arranged on the upper side of a rear pipe conveying support.A pipe sucking connecting plate is vertically arranged on one side of a horizontal moving support. A horizontal moving guide plate on one side of the horizontal moving support is slidingly arranged ona pipe moving support in the horizontal direction. The pipe fitting turning and conveying device is reasonable in structural design, a pipe fitting can be conveniently and efficiently grabbed and turned, can be turned from a vertical station to a perpendicular station and can be adsorbed and conveyed and accurately placed on the rear pipe conveying belt to be conveyed, the pipe fitting conveyingautomatic degree is improved, and the machining use requirement is met.

The invention discloses an intermittent material guiding and processing mechanism and belongs to the field of processing and transferring mechanical devices. The intermittent material guiding and processing mechanism comprises a fixing support, a material guiding gear, a reciprocating gear, a rotary cam, a material guiding motor, an upper driven swing rod and a lower driven swing rod; one side ofthe material guiding gear is horizontally and coaxially provided with a material guiding roll, and one end of the upper driven swing rod is provided with an arc-shaped gear plate; a limiting clampingplate is arranged on the lower side of the middle of the lower driven swing rod in a downward inclining mode, and a tension spring is arranged between the upper driven swing rod and the lower driven swing rod; the reciprocating gear is vertically arranged between the material guiding gear and the arc-shaped gear plate, and a material guiding swing rod is arranged between a reciprocating swing shaft and a material guiding rotary shaft; and a reciprocating connecting rod is arranged between the reciprocating gear and the rotary cam. According to the intermittent material guiding and processing mechanism, the structural design is reasonable, the material guiding roll can be driven to intermittently rotate according to the needs of processing so that belts can be driven by the material guidingroll to be intermittently and stably transferred, the belt processing efficiency and quality are improved, and the demands of production and use are met.

The invention relates to a conveying transition device of chemical fiber yarn. The device comprises a base, wherein universal wheels are arranged at the lower part of the base, a stand column is arranged on the base, a transition frame is arranged on the stand column, and a fixed roller is arranged in the middle of the transition frame; a plurality of fixed wheels are arranged on the fixed roller,and a left support frame is arranged on the left side of the transition frame; a right support is arranged on the right side of the transition frame, and the left support and the right support are identical in structure; vertical long kidney-shaped holes are formed in the left support and in the right support respectively, and a left movable roller is arranged in the long kidney-shaped hole of the left support; a right movable roller is arranged in the long kidney-shaped hole of the right support, and movable wheels are arranged on the left movable roller and the right movable roller. The device is simple in structure and convenient to use. The device can be moved freely according to needs of chemical fiber yarn conveying and can be adjusted according to different heights of the chemicalfiber yarn so as to guarantee efficient and accurate conveying of the chemical fiber yarn and meet the requirements of production and application.

The invention discloses a data transmission method, a server and a computer readable storage medium, and the method comprises the steps: obtaining a load and a transmission bit error rate of a cell network where a terminal is located when a data transmission request is received; determining a first transmission rate of the terminal in a first preset network and a second transmission rate of the terminal in a second preset network according to the load and the transmission error rate, the cell network comprising the first preset network and the second preset network; and transmitting to-be-transmitted data corresponding to the data transmission request according to the first transmission rate and the second transmission rate. According to the scheme, the first preset network and the secondpreset network are combined to transmit the to-be-transmitted data, so that the situation that the resource occupancy rate of one party in the preset network is high and the resource of the other party is wasted is avoided, the transmission is more accurate and effective, and full utilization of network resources is realized.

The invention discloses a strip delivery mechanism and belongs to the field of delivery processing mechanical equipment. The strip delivery mechanism comprises a fixing bracket, a rotating disc, a delivery belt motor, a control rod, an electromagnet, a driving connecting rod, a delivery belt pawl, a delivery belt ratchet wheel, a delivery belt roller and a belt pressing mechanism, wherein the control rod is arranged at the upper side of the rotating disc; the driving connecting rod is arranged at the lower side of the rotating disc; the outer end of one side of the rotating disc is horizontally provided with a rotating pin rod which is matched with a rotating clamping slot; one side of the delivery belt ratchet wheel is coaxially and horizontally provided with the delivery belt roller; thedelivery belt pawl is arranged at the lower side of the driving connecting rod; one end of the delivery belt pawl is meshed with the delivery belt ratchet wheel; a belt pressing bracket is arranged at one side of the upper portion of the delivery belt roller; the lower end of the belt pressing bracket is horizontally and rotationally connected with a belt pressing roller; and the belt pressing mechanism is horizontally arranged on the fixing bracket positioned at one side of a belt guide roller. The strip delivery mechanism disclosed by the invention is reasonable in structural design, stableand controllable in a strip delivery process and capable of efficiently, accurately and intermittently delivering strips so as to meet the production and application requirements.

The invention discloses a flax strip winding mechanism, and belongs to the field of textile processing mechanical equipment. The lifting bearing plate of the flax strip winding mechanism is slidably arranged on the lifting guide rod in a vertical direction, the chain wheel bracket at the output end of the lifting cylinder is vertically connected with a lifting chain wheel, the middle part of the lifting bearing plate is vertically connected with a winding sleeve, the pressure cylinder connecting plate and the winding turntable are integrally formed and arranged, a plurality of telescopic pressing rods are symmetrically arranged on the upper side of the pressing cylinder connecting plate along the radial direction of the winding turntable, the winding sleeve is slidably arranged on the winding guide rod in a vertical direction, the output end of the pulling motor is horizontally and fixedly provided with a pulling gear matched with the rotating gear, the upper end of the winding guide rod is vertically provided with a guide bar bracket. The flax strip winding mechanism has the advantages that the structural design is reasonable, the flax strips can be continuously and uniformly wound, the degree of compactness of the flax strips during the winding process can be ensured, the automation degree of the winding of the flax strips is improved, and the requirements of production and use are met.

The invention discloses a proximate matter transversely-moving conveying device, and belongs to the field of conveying mechanical equipment. The proximate matter transversely-moving conveying device comprises a conveying support, a fixing support, a lifting support, a bearing support and a transversely-moving motor; a plurality of main conveying rollers are horizontally, evenly and rotationally connected to the middle portion of the upper side of the conveying support, a plurality of auxiliary conveying rollers are horizontally, evenly and rotationally connected to the two sides of the conveying support, the bearing support is horizontally arranged on the lower side of the lifting support, and the transversely-moving motor drives a transversely-moving lead screw; a transversely-moving block can horizontally move along a transversely-moving guide rod; and a bearing roller is horizontally arranged on the lower side of the bearing support, limiting air cylinders are horizontally arranged on the two sides of the bearing support, and limiting rollers are horizontally and rotationally connected to one side of the transversely-moving plate. The proximate matter transversely-moving conveying device is reasonable in structural design, and proximate matter can be horizontally and accurately conveyed rapidly and efficiently; and the proximate matter can be stably lifted and transversely moved according to needs, the proximate matter machining efficiency and quality are improved, and the production and using requirements are met.

The invention relates to a memory card control method and system. The method is applied to a central processing unit and comprises the following steps: when the central processing unit runs a file system, mounting an initialized memory card in the file system; when the file system receives a read operation for the memory card, the central processing unit controls the first controller to read data from the memory card and outputs the data to the second controller; the second controller writes the received data into a memory space; the central processing unit responds to the data verification instruction and takes data received by the second controller from the first controller as first data; the data is read from a preset address of the memory card by using a preset read-write tool, and serves as second data; and the first data is compared with the second data to check the correctness of the data written into the memory space according to a comparison result, thereby realizing the technical effect of improving the security and accuracy in the memory card starting and data transmission processes.

The invention discloses a credibility perception-based data transmission control method suitable for a 5G network, which comprises the following steps that: after receiving a certain data transmissiontask, a first terminal dynamically updates the current credibility of the first terminal, wherein the credibility is related to the quality of data acquired by the first terminal; the first terminaljudges whether the friend relationship among the terminals in the communication network of the first terminal is larger than a threshold value or not, wherein the friend relationship is determined through a Gong Bernoulli function; and the first terminal selects the terminal with the highest cooperation degree with the first terminal from all the terminals with the friend relationship greater thanthe threshold value to perform data forwarding, and the cooperation degree is determined according to the credibility and the friend relationship. According to the credibility perception-based data transmission control method suitable for the 5G network, the data transmission efficiency can be improved.

One aspect of the present invention relates to a lawn monitoring system, and more specifically, to a lawn monitoring system installed at various locations where lawn is created, such as a golf course, a soccer field, a baseball field, etc., to receive lawn status information, thereby enabling a lawn manager to manage the lawn based on the information received from the system. The lawn monitoring system according to an embodiment of the present invention has effects of accurately and efficiently transmitting the status information of the lawn in places where the lawn is created, such as a golf course, a soccer field, a baseball field, to a lawn manager.

The invention discloses a spring motor with an inspection function. The spring motor with the inspection function comprises a spring motor, a barring coil number acquisition mechanism for the spring motor and a barring torque acquisition mechanism for the spring motor. The invention also discloses an inspection method by using the spring motor with the inspection function, and the method comprisesthe following steps: firstly, a ratchet block is put down through a release mechanism, a rotating disc moving shaft drives a driving gear and a main shaft to rotate together through a disc moving gear, and a ratchet wheel pushes a flywheel driving gear to move leftwards linearly until the flywheel driving gear is meshed with a flywheel gear ring of an engine; secondly, the ratchet block is liftedup through the release mechanism and separated from the ratchet wheel, and the locking of the ratchet wheel is released; and thirdly, the rotating disc moving shaft is continuously rotated, and the flywheel gear ring of the engine is driven to rotate through the flywheel driving gear, so as to judge whether the barring procedure in the inspection is finished or not and whether the engine and parts connected with the load at the rear end of the engine are abnormal or not. The invention reduces the labor intensity, shortens the inspection time and ensures the real validity of the inspection record.