32results about How to "Orderly transmission" patented technology

The invention discloses a working substance flowing system of a piston reciprocating internal combustion engine and regulation and control setting thereof. An upper end of a frame moving up and down along the rotation of a power shaft is connected with an engine cylinder piston [7]; the lower end of the frame is made into a pressure cylinder piston [5]; an air inlet pipe[14], an air inlet check valve[2] and an air compression check valve[3] are arranged on a bottom cover plate of the pressure cylinder; air sucked from the air inlet pipe[14] by the pressure cylinder is sprayed by water mist for intercooling in compression; compressed air is stored in an air storage channel, tangentially supplied to an air inlet[10] of an engine cylinder sleeve; a rod head of the air compression check valve[3] is connected with the compressed air regulating and controlling device. An exhaust port [12] of the engine cylinder is arranged in the rear side of the cylinder top; a pressurized air bypass channel tightly pressed on the lower side of a flashboard-type exhaust valve [21] and an air suction check valve [22] of the upper side of a vent-pipe inlet cool an exhaust system and exhaust air and have the effects of both decontamination and preventing an exhaust gas turbine from surging. The supercharging mechanism has compact structure, indirect transmission, stable pressurization and cooling function; the working substance flowing system is provided with the regulating and controlling device with optimized performance and is convenient to the actualization of a small and medium sized engine.

The invention belongs to the technical field of avionics, and discloses a time-triggered Ethernet-based static scheduling table generation method and an avionics system. A porosity concept is introduced into a TT service static scheduling table generated by a traditional partition scheduling scheme; the centralized scheduling TT data frame service with the highest priority is dispersed and scheduled through a posteriori pore generation method; Scheduling and transmission are carried out on follow-up RC services through holes between TT services, a fast path selection algorithm is adopted for sequentially selecting paths for all TT communication tasks, and idle time slots meeting the scheduling and transmission requirements are selected for nodes in all sections of links passing through thefast path selection algorithm; And a TT static scheduling table is generated. According to the invention, the transmission delay and network jitter of the RC service are reduced, the occurrence of the situation that data frames compete for a physical link is avoided, and meanwhile, the time domain determinacy and stability of the avionics system based on the time-triggered Ethernet are ensured.

The invention provides a method and system to dispatch the transmission resources, comprising the following steps: Step A. the transmission resources allocated to the business by consulting the generated protection flow and the transmission resources allocated are smaller than or equal to the protection flow; Step B. whether the transmission resources run out or not is determined. Turning to the step E if the transmission resources run out; or continuing to determine whether all the business are visited and turn to step C if all the business are visited; or turning to step A; Step C. Visiting the business again to supplement the transmission resources needed in the transmission; Step D. Determining whether the transmission resources run out or not, and turning to step E if yes, or continuing to determine whether all the business are visited or not. Turning to step E if yes or turning to step C; Step E. implementing the data transmission after the allocation process is finished. The invention also provides a system to dispatch the transmission resources. The invention allocates the transmission resources according to the actual data transmission demand, which not only avoids the waste of the resources in the fixed or static allocation of the transmission resources, but can also prevent the low transmission efficiency caused by the packet-loss as a result of the transmission data surpassing the allocated bandwidth when a plurality of users transmit the data at the same time.

The invention discloses a one-way physical separating net-brake based on USB interface in the information safe technological domain to switch network data, which comprises the following hardware parts: transferring control switch, writing protection switch and USB memory, wherein the host accesses USB memory as long as transferring control switch connects USB memory and host; when USB memory connects low-dense grade network host, the USB writing protection switch is set at writable condition, which realizes data writing and cancelling; when USB memory connects high-dense grade host, the USB writing protection switch is set at reading-only condition, which realizes data reading. The invention realizes reliable real-time transmission for one-way data, which switches software conveniently.

The invention discloses an on-line monitoring outdoor acquisition device for relay protection of a power system in the technical field of power systems. The acquisition device comprises an acquisition conversion module, an information processing module, a communication module, a storage module, a quick interface module, a power supply module and a system clock. The acquisition device realizes local acquisition of information, and provides judgment basis for protective acquisition loop monitoring by modeling according to IEC61850, converting the information into digital signals, transmitting the digital signals through fibers and forming a closed loop circuit between the acquisition device and the primary protective acquisition device.

The invention provides a material washing component, an upper cover and a cooking appliance, wherein the material washing component comprises the cooking appliance which is provided with an upper cover and a pot body; the material washing component has a material cleaning function; the material washing component comprises a material transmission part and an accommodating part which are communicated; the accommodating part is detachably separated from or assembled on the upper cover in a cooperated mode; the accommodating part 104 is provided an inner cavity which is defined by a sidewall and atop wall; the material transmission part is used for conveying materials to the accommodating part; a blanking port, which is located above an opening of the pot body, is kept in the bottom of the accommodating part; and the materials in the accommodating part, which are cleaned, can drop into the inner cavity of the pot body from the blanking port. The material washing component is arranged on the upper cover of the pot body, and the cooking materials can directly drop into the inner cavity of the pot body from the material washing component, so that the material washing component is relatively convenient to use; and meanwhile, the cooking materials, which are cleaned, can directly drop into the pot body, without additional arrangement of a conveying mechanism in the cooking appliance, so that the structure of the cooking appliance is simplified.

The invention discloses a communication system and equipment based on big data, and relates to the technical field of communication management. The problem that the communication effect is poor is solved. The system comprises a big data management platform and an information control center used for comprehensively managing communication data information, and the big data management platform is in communication connection with the information control center. The information control center comprises a data acquisition module used for acquiring communication information, a data integration module used for trimming the acquired information, and a data processing module used for calculating and analyzing the sorted communication information. The equipment comprises an information control center in communication connection with a big data management platform, the information control center is in communication connection with communication adding equipment and mobile equipment, and the mobile equipment is in communication connection with the communication adding equipment. According to the invention, each communication channel is controlled and used for optimal resource allocation, so that the communication transmission is more hierarchical and orderly, and the overall communication transmission efficiency is improved.

The invention belongs to the technical field of data communication, in particular to a CPA-based field protection adaptive data communication system and method. The method comprises a CPA connection sub-process, a CPA operation sub-process and a CPA disconnection sub-process. According to the invention, problems in the prior art that in a communication process of carrying out proposal adaptation based on ATT and a read-write instruction, the adaptability is poor are solved; how to avoid the influence of frequent disconnection and reconnection of ATT and bottom layer transmission is solved; themethod has the advantages that data transmission of the PHD layer is not affected by frequent disconnection and reconnection of ATT layer transmission, synchronous interaction of the application layer is supported, possible unreliable conditions of bottom layer transmission are shielded, and reliability of communication data in bottom layer transmission is guaranteed.

The invention discloses zipper laser cutting equipment, and particularly relates to the technical field of zipper production. The zipper laser cutting equipment comprises a workbench, a zipper windingroller and a rack; the zipper winding roller and the rack are installed on the workbench; a zipper is wound around the zipper winding roller; and a laser cutting head used for cutting the zipper is installed on the rack and is arranged in a liftable mode; a conveying belt fixed to the workbench is arranged below the laser cutting head; an upper idler wheel mechanism and a lower idler wheel mechanism which are used for conveying zippers are arranged between the workbench and the rack; the upper idler wheel mechanism is installed on the rack; and the lower idler wheel mechanism is installed onthe workbench. According to the zipper cutting device, zippers can be orderly conveyed to the laser cutting head to be cut; the phenomenon that the zippers bounce up due to the fact that one end of each zipper is broken in a cutting process is avoided; the zipper cutting efficiency is improved; and the production efficiency is improved.

The embodiment of the invention provides a communication network building method and device, electronic equipment and a storage medium, and the method comprises the steps: a first terminal node receives first time synchronization frames from N first nodes, and obtains a first time synchronization frame according to the routing depth of each first node and the signal strength of each received first time synchronization frame; determining a father node from the N first nodes, and sending a first network access registration frame to the gateway through the father node; enabling the gateway to obtain the network access registration frame of each first-level node, allocating time slot information to each first-level node according to the node information of the child node included in each first-level node, and sending the allocated time slot information of each first-level node to each first-level node; and finally enabling the terminal node to receive the first time slot information from the father node. Namely, the first terminal node determines the father node according to the routing depth and the signal strength of the node so as to construct the optimal communication path, and the communication path can be dynamically adjusted at any time, so that the communication reliability is improved, and the flexibility is high.

The invention relates to an SPI communication method and device and a storage medium. In the application, an SPI sending end transmits information to an SPI receiving end in the form of a first message in a preset data format, wherein the first message comprises valid data and a valid data check code; the SPI sending end sends an end mark signal after sending a first message; and when the SPI receiving end receives the first message, calculating a verification value of effective data in the first message, whether the verification value of the effective data is the same as the verification code of the effective data is compared, if so, a second message containing a response state to the SPI sending end is fed back by the SPI receiving end through the MISO signal line. Otherwise, the SPI receiving end feeds back a second message containing a non-response state to the SPI sending end through the MISO signal line, and discards the corresponding first message; and the SPI sending end controls data transmission between the SPI sending end and the SPI receiving end according to the second message content. Response in the SPI communication process, the verification of effective data and the control of the SPI data transmission process are realized under the condition of not adding GPIO (General Purpose Input/Output).

The invention discloses a double-layer board separating and transporting device for wood processing. The device comprises a main conveyer belt, and main conveyer belt mounting shells are arranged on the two sides of the main conveyer belt; an upper-layer conveyer belt is arranged above one end of the main conveyer belt, and upper-layer conveyer belt mounting shells are arranged on the two sides of the upper-layer conveyer belt; and a lower-layer conveyer belt is arranged below one end of the main conveyer belt. According to the device, through arrangement of a plate collecting mechanism and a plate layered conveying mechanism, processed plates can be quickly and sequentially conveyed in a layered manner, the labor forces are effectively freed, and the working efficiency is improved.

The invention discloses an intelligent industrial mechanical arm driving system based on an ROS system, and relates to the technical field of mechanical arm driving systems. The intelligent industrial mechanical arm driving system based on the ROS system comprises the ROS driving system, the ROS driving system is in signal connection with an air pressure driving module, a PLC control module and a DSP processing module, and terminals of the air pressure driving module, the PLC control module and the DSP processing module are in signal connection with an image acquisition module. According to the intelligent industrial mechanical arm driving system based on the ROS system, the mechanical arm can rotate, move and clamp in a noise-free mode, then the movement flexibility of the mechanical arm is guaranteed, then it is guaranteed that the movement form, the movement freedom degree, the grabbing quality and the stress condition of the mechanical arm can be optimized and executed in time, the movement accuracy of the mechanical arm is guaranteed, and the working efficiency is improved. And it is guaranteed that the arm waist joint, the shoulder joint, the elbow joint and the wrist joint of the mechanical arm and the gripper at the tail end are opened and closed flexibly and freely, and the clamping work stability of the robot is improved.

The invention discloses an office information transmission device based on a cloud computer. The office information transmission device is composed of a cloud server, a network module, a service module, a voice playing module, and a display module. The cloud server communicates with a computer, a fax machine or a telephone through the network module to ensure sharing of resources in an office; the network module provides a platform for information transmission, so that the resources can be transmitted timely and accurately; the service module includes various service information modules, so that the office staff can select information transmission ways freely; the display module displays selection information or a video of the service module, so that a client can carry out inquiring and selection; and the voice playing module plays the voice of service information. According to the office information transmission device, with the service module, the office staff can carry out selection of needed services freely. Moreover, the office information transmission device has advantages of having a simple structure, being easy to implement, and being capable of realizing ordered and efficient transmission of office personnel information.

The invention provides a ship networking multi-channel Beidou communication gateway system, which comprises a data collection module and a communication control module, and is characterized in that the data collection module comprises a data collection front end, a data processing sub-module, at least one man-machine interface and at least one Beidou communication interface; The communication control module is in communication connection with the data processing submodule, the man-machine interface and the Beidou communication interface. The data acquisition front end is in communication connection with the data processing submodule. The data acquisition front end is in communication connection with at least one shipborne data acquisition device; The man-machine interface is in communication connection with at least one upper computer; The Beidou communication interface is in communication connection with a Beidou satellite terminal; Wherein the Beidou satellite terminal is in communication connection with the Beidou satellite navigation system, and the Beidou satellite navigation system is in communication connection with a shore-based dispatching center. According to the ship networking multi-channel Beidou communication gateway system, real-time data transmission of people and ship banks can be achieved, ship navigation data are monitored in real time, and good expansibility, flexibility and portability are achieved.