38results about How to "Short connection time" patented technology

The invention discloses a plugging corridor used for the vacuum pipe traffic, which comprises: a tube-shape fixed corridor (6) is equipped in station department with one end embedded in a vacuum pipe (1), and another end is connected with the station platform, junction of the fixed corridor (6) and vacuum pipe (1) is sealed; a telescopic corridor (9) is sealing nested in anterior inner wall of the fixed corridor (6); One end of the flexible mechanism (10) is linked with the telescopic corridor (9), and another end is connected with the fixed corridor (6), and the front end of telescopic corridor (9) fits the peripheral shape around the door (3) of the train carriage (2) and is equipped with sealing strip (11); The middle rear part of the fixed corridor (6)is equipped with a sealing door (7), one pneumatic valve (8)is provided on the sealing door (7) or the fixed corridor (6) wall before the sealing door (7). Within a short period of time, it can accomplish getting on or off of passengers in vacuum pipe, and improves the running efficiency of train with little power consumption and simple structure.

The invention is suitable for the field of communication and provides a network connecting method, device and system. The method comprises the steps that a stationary network information acquiring request is sent, wherein the stationary network information acquiring request carries terminal state information; stationary network information sent by a server is received, wherein the stationary network information includes network information of a terminal accessable network and a stationary network strategy and is obtained according to the terminal state information; a stationary network process of the terminal accessable network is initiated according to the stationary network strategy and the network information of the terminal accessable network so as to achieve network connection. By means of the network connecting method, device and system, the terminal can quickly initiate the stationary network process on the terminal accessable network according to the stationary network strategy sent by the server and the network information, sent by the server, of the terminal accessable network; in addition, it is not needed to search all frequency bands, so that the network connecting speed is high, and the network connecting time is short.

The invention relates to the file of communications, and discloses a terminal device automatic anti-theft alarm method and a terminal device. According to the invention, the terminal device will try to establish communication connection with an external tag by periodically utilizing the self-provided NFC function when being in the anti-theft state. If the establishment is failed continuously for many times, then a preset alarm ringtone will be played automatically. The communication connection established by utilizing the NFC function has a short distance limit, so once the distance between the terminal device and the external tag exceeds the distance limit, the establishment of the communication connection will be failed, and after the establishment of the communication connection is failed continuously for many times, the alarm function will be triggered automatically so as to achieved the mobile phone anti-theft purpose.

Instant communications with voice activated connections by both initiating and responding individuals are disclosed using advanced telephones and data networks. A users' speech is captured through an advanced telephone and is automatically recognized to initiate communications with another individual or a group over a data network. The system forwards a predefined communication alert to the designated individual or group. Recipients of the communications alert can indicate acceptance of the communication attempt by speech which is also automatically recognized. Two way communications are instantly established upon acceptance. System configuration, group definitions, user's access permissions, voice activation phrases, and communication alerts are managed through software in a user-accessible network-based service.

The invention discloses a fast connection method of a carbon/carbon composite material. The method includes the steps of: (1) preparation of an X-Si (X=Ni, Co, Ti or Cr) alloy paste; (2) pretreatment of the carbon/carbon composite material; (3) pretreatment of a middle layer metal sheet (including Mo or Ti sheet); (4) coating of a composite material connection surface with the X-Si alloy paste; and (5) assembling and quick connection: arranging two X-Si alloy coatings and one middle layer metal sheet in the middle of the connection surface of two carbon/carbon composite components so as to form an X-Si/middle layer metal sheet/X-Si sandwich structure, with the Si atomic percentage content of the X-Si alloy being 40-80%, under the conditions of 10-40MPa pressure assembling, vacuum protection and a heating rate of 100-300DEG C/min, conducting heating to 1200-1600DEG C, and performing heat preservation for 1-10min. The method disclosed in the invention can realize liquid phase connection of carbon/carbon composite materials. The process is simple, and the prepared connecting piece has a reliable structure and can be used in load bearing and high temperature application occasions.

A method is provided for connecting at least one further steam generator to a first steam generator in a power plant. The power plant includes at least two steam generators and a steam turbine, in which a fluid used to drive the steam turbine is conveyed in a fluid circuit having a plurality of steam systems. The steam systems are assigned individual steam generators and are able to be separated from one another by shut-off valves. The fluid of at least the first steam generator is connected to the steam turbine. The method involves opening the shut-off valve of at least one first steam system of the at least one further steam generator before the steam of the at least one further steam generator has reached approximately the same steam parameters as the steam of the first steam generator, so that steam can flow into the further steam generator.

The invention discloses an anti-freezing type wireless network device for mobile communication base stations. The device comprises an upper cover, a built-in box, a fixed box and a base, wherein a solar panel is arranged above the upper cover; an upper heat insulating layer is arranged inside the upper cover; the fixed box is arranged below the upper cover; an operating panel is arranged at one side of the fixed box; a locking piece is arranged above the operating panel; lateral heat insulating layers are arranged inside both sides of the fixed box; a lateral heat insulating layer is also arranged at the lower part inside the fixed box; the built-in box is arranged inside the fixed box; and the base is arranged at the lower part inside the built-in box. The device has the beneficial effects that: 1, the device is equipped with the solar panel and a backup power source, so that the device can be in a heating state for a long time and the endurance ability is increased; and 2, the deviceis equipped with a signal enhancing antenna, so that the problems that the device signal is poor and the use of staff is affected when the wireless network device is in an enclosed space are prevented.

The present invention belongs to the data transmission field and relates to an LTP asynchronous accelerated retransmission strategy-based deep space file transfer method. According to the LTP asynchronous accelerated retransmission strategy-based deep space file transfer method of the invention, based on an LTP single-session retransmission mode, an ahead-of-time acceleration retransmission strategy initiatively triggered by a receiving end is adopted, namely, in the initial transmission stage of red data, the receiving end generates a receiving report according to an actual receiving condition, a retransmission process is started in advance. Based on asynchronously accelerated retransmission, lost data can be recovered as soon as possible, so that file transmission efficiency can be improved; the dependence of retransmission startup on EORP data segments can be decreased, and so that file transfer time can be shortened. This strategy is very suitable for short-connection time, long-connection and high-bit error rate conditions.

The invention discloses a method for realizing seamless roaming between routers. A plurality of sub routers are respectively in wireless bridge connection with a main router; then, each sub-router respectively receives the IP address sent by the main router, each sub-router respectively closes the DHCP server at the same time, and the main router opens the DHCP server to ensure that the network segments of the IP addresses allocated by the main router are the same, so the roaming devices can communicate with each other; further, the main router detects a PING time value of each sub-router andreply PING time data of the main router; the shortest PING connection time of the roaming equipment in which router is located is obtained; meanwhile, whether the router is in wireless network connection with the roaming equipment or not is judged: if not, responding to a roaming equipment data information simulation instruction sent by the main router, and establishing virtual data information ofthe roaming equipment, so the router normally receives and sends a WIFI data packet of the roaming equipment, thereby finishing a seamless roaming process.

The invention provides a biaxial tensile mechanical property testing device and method for a multi-configuration test piece, relates to the technical field of material mechanical property tests under complex stress loading, and particularly relates to the biaxial tensile mechanical property testing device and method for the multi-configuration test piece. The device comprises an upper clamp and a lower clamp which are connected with a testing machine and correspondingly arranged vertically. The upper clamp comprises an upper clamp body of an orthogonal cross structure, four extension arms of the upper clamp body are upper supporting arms, the center lines of the four upper supporting arms are located in the same plane, an upper clamping part used for being connected with the testing machine is fixedly arranged at the center of the upper clamp body, and the upper clamping part extends out in the direction away from the lower clamp. The biaxial stretching mechanical property testing device is high in universality, the number of testing devices needed for adapting to biaxial stretching mechanical property tests of test pieces of different configurations is reduced, cost is saved, and the requirement for the biaxial stretching mechanical property tests of the test pieces of different configurations and sizes can be met by adjusting the included angle formed by the supporting rod and the base.

The invention consists of multi external communication terminal, fixed telephone network and telephone conference server containing main processor. The telephone conference server also contains a exchange with multi-party call function. The exchange is set between fixed telephone network and main processor, and connects to main processor through CTI interface and to fixed telephone network through trunk line. The main processor make automatic dialing through request signal of telephone conference sent by external communication terminal

The invention relates to a quick secondary-dialing method for a telephone. A programmable telephone in which a memory and a microprocessor chip are built is chosen; a quick secondary-dialing program is put into the quick memory of the telephone; a telephone background is set to access a pre-dialing number; when the telephone is picked up and the handfree knob of the telephone is pressed, the microprocessor chip of the telephone switches on a communication module of the telephone; a telephone foreground waits and receives user keys and caches key a code; and after the background gets through the secondary-dialing platform, the microprocessor chip of the telephone immediately automatically sends the cached key code to the secondary-dialing platform according to a user input sequence in a dual-tone multi-frequency (DTMF) signaling mode on the background. According to the setting of the telephone with the quick secondary-dialing method, time for dialing and accessing into the platform is saved, and telephone cut-in time is greatly shortened.

The invention discloses a strip connecting machine. The strip connecting machine is characterized in that the strip connecting machine comprises a machine base, traction driving wheel assemblies, driving wheels, a pressing and cutting-off assembly and a pressing and welding assembly; the traction driving wheel assemblies and the driving wheels are arranged at the two ends of the machine base, and the pressing and cutting-off assembly and the pressing and welding assembly are arranged on the portion, between the traction driving wheel assemblies and the driving wheels, of the machine base; and the pressing and cutting-off assembly comprises two or more strip clamping mechanisms and flat-cutting mechanisms, and the flat-cutting mechanisms are arranged between the strip clamping mechanisms. The strip connecting machine is simple in structure, easy and convenient to operate, the aluminum strip connecting time is short, and the working efficiency is high.

The invention relates to an educational administration information view method based on NFC. The educational administration information view method based on NFC refers to an NFC mobile terminal and an NFC information management terminal, and comprises the following steps: step (1), the NFC information management terminal acquires identification information of the NFC mobile terminal in an NFC mode; step (2), the NFC information management terminal judges whether the identification information is matched with identification information in the NFC information management terminal, and if the judging result is yes, the step (3) is entered; if the judging result is no, the step (4) is entered; step (3), educational administration information in the NFC information management terminal is fed back to the NFC mobile terminal; step (4), information of permission validation failures is fed back to the NFC mobile terminal. The educational administration information view method based on NFC is simple in operation; through NFC induction, the connection establishment time is short, and the transmission rate is high; the time for searching for the educational administration information by means of logging in a computer is saved for a student or a teacher; moreover, management is convenient, the working strength is greatly lowered for educational administration staff, and the quality of life of people is improved.

The invention provides a multi-degree-of-freedom fast connection device which comprises a three-rotation mechanism and a three-movement mechanism. The three-rotation mechanism and the three-movement mechanism are connected through a connecting shaft and a connecting sleeve; the connecting sleeve is provided with a first hand wheel used for adjusting the height of the connecting sleeve; the connecting shaft is provided with a second hand wheel used for adjusting the rotation direction of the connecting shaft; the three-movement mechanism comprises a fixed base, a fixed plate and a support plate; the support plate is arranged between the fixed base and the fixed plate; the upper surface of the fixed base is of a groove structure; the upper end surfaces of two sides of the groove structure are connected with the fixed plate through fastening pieces; the three-rotation mechanism comprises a hook joint and a connecting cylinder; the upper end in the connecting cylinder is connected with theconnecting shaft; the lower end of the connecting cylinder is connected with a threaded shaft on one side of the hook joint; and the other side of the hook joint is of a pin shaft structure. The multi-degree-of-freedom fast connection device provided by the invention is reliable in connection, small and compact in volume, high in rigidity, simple and convenient to operate, short in time requiredfor connecting, and capable of accomplishing connecting operation independent of a tool.

The invention relates to a live-line work special-shaped parallel groove clamp intelligent installation device which comprises a clamp body, a slave line clamping mechanism, a main line clamping mechanism and a bolt fastening mechanism, a parallel groove clamp is placed in the clamp body, then a main line and a slave line are placed in the parallel groove clamp, and then installation work of the parallel groove clamp is completed. A slave wire is fixed in the drawing pipe, a parallel groove clamp is placed in the clamp body along the placing frame, the parallel groove clamp is clamped by the push plate, when the parallel groove clamp is connected with a main wire, the grip is held tightly to slowly move the clamp body upwards from the lower side of the main wire, the main wire enters the wire clamping plate through the guide frame to be clamped and fixed, the wire clamping block is moved rightwards, and the slave wire is driven by the drawing pipe to enter the sliding barrel. At the moment, the main wire and the auxiliary wire both reach the installation position, a motor is started through a controller, the motor drives a sleeve and a clamping head to rotate, bolts on the outer side of the parallel groove clamp are fastened, and installation is completed; the device has the advantages of being convenient to carry and use, high in stability and high in safety coefficient.

The invention relates to a screw-type steel wire hose clamp used in sealing fixation of flexible pipes and rigid pipes in pipeline connection. The screw-type steel wire hose clamp comprises a screw block and fixed connection steel wires, wherein at least one pair of through holes is arranged on the screw block. The middle portion of the steel wire is a circular arc segment, two folded ends are a neck straight segment, the fixed connection steel wires form the shape of a flask, the neck straight segment of the fixed connection steel wires penetrate the through holes of the screw block, the tail end of the neck straight segment is a spherical head, and the size of the spherical head is larger than that of the through holes. The screw-type steel wire hose clamp has the advantages of simple structure, high strength, speedy fixed connection and convenient utilization.

A novel external wire loose joint device comprises a connecting head and a connecting cavity. The connecting head is connected with the connecting cavity. A connecting pipe is connected with the rear portion of the connecting cavity. A sleeving component is arranged outside the connecting cavity. A cushion layer is arranged between the sleeving component and the connecting cavity. A fixing screen is arranged in the connecting cavity. A protective layer is arranged outside the fixing screen and is a copper protective layer. A protective layer is arranged in the loose joint device and capable of protecting the inner side of the loose joint device from being corroded by conveyed matter, and the actual working effect of the loose joint device can be guaranteed; and the connecting pipe is arranged in the loose joint device, connection of the loose joint device and a hose can be facilitated, the connecting time is short, the connecting effect is good, connection of the loose joint device and other pipe fittings is improved, and the connecting efficiency is improved.