75results about How to "Guaranteed connection status" patented technology

Optical connecting parts and an optical connecting structure are provided. A large area is not occupied on the substrate, position aligning is easier, it takes less time to connect, and connecting and releasing can be freely performed. Optical connecting parts which connect an optical transmission medium and optical functional part or another optical transmission medium vertically, has a connecting member having a convex part (100) and a connecting member having a concave part (200), the connecting member having the convex part (100) has a holding part of which the optical transmission medium is aligned and held, the connecting member having the concave part (200) has an aligning part of which the optical functional part or other optical transmission medium is aligned, and the connecting member having the convex part and the connecting member having the concave part can be freely connected and disconnected by engaging the convex part and the concave part.

The invention discloses a ship attitude dynamic simulation system for wind tunnel test and a working method thereof. The simulation system includes an optical flat plate, two triangular fixed blocks,a support rod, a motor subsystem, a rope, a ship model, a ship model base, an ear piece and an aviation floor. The simulation system of the invention is small in size, so it only needs to be installed above the wind tunnel, and the model is connected by pulling the rope, which does not affect the blockage degree of the wind tunnel flow field; the system has fewer components, which is convenient for installation and debugging in the wind tunnel environment, and the maximum angle of pitch and roll can be adjusted by adjusting the height of the model from the ground; according to the weight of the model, the impact of the test wind load can also be reduced, so that the accuracy of the roll and pitch motion angle of the ship motion simulation can be within 0.5 DEG; the system can also be usedwith relevant experimental equipment and instruments, so as to realize a series of dynamic experiments such as dynamic balance force measurement, dynamic pressure measurement, dynamic PIV phase-locked flow field measurement, etc., which greatly enriches the dynamic wind tunnel test contents of large ship models.

The objective of the invention is to provide a method and device for establishing long connection. The connection maintaining operation in a service device is disabled to reduce the resource cost of long connection maintaining of the service device to support more concurrent long connection; a long connection request sent by a client device is received, and a long connection with the client device is established based on the long connection request; and a heartbeat bag sent by the client device is received, and heartbeat response information is sent to the client device based on the heartbeat bag to maintain the connection state of the long connection so as to support more concurrent long connection.

The invention discloses a dynamic lossless bandwidth adjustment method and device for an M-OTN system. A source node adds bandwidth adjustment information issued by a management and control platform to OSU frame overhead and transmits the bandwidth adjustment information to the downstream node by node; after the host node extracts bandwidth adjustment information from the OSU frame overhead, whether the residual bandwidth resource of the node meets the adjustment requirement or not is calculated, and corresponding bandwidth adjustment confirmation information is transmitted to the upstream node by node; the source node adds a bandwidth adjustment instruction issued by the management and control platform to the OSU frame overhead and transmits the bandwidth adjustment instruction to the downstream node by node; and after extracting the bandwidth adjustment instruction from the OSU frame overhead, the host node feeds back the bandwidth adjustment instruction confirmation information to the upstream node by node, and completes the adjustment of the bandwidth of each node pipeline in the link and the adjustment of the client signal bandwidth step by step. According to the scheme, a link data transmission processing process does not need to be interrupted, a unified network management and control platform control operation is not needed, and the actual use requirement of an operator network is met.

A connecting component of rotary pressure pile comprises adequate intensity to rotations in positive and negative directions when the connecting component is rotatably pressed and is capable of steadily sustaining the mutual connection for a long time; and the connecting component is capable of sustaining steady endurance of the pile even if used for connecting the pile with minor diameter because of adopting the structure not projecting at the periphery of the pile. This connecting component is composed of female and male connectors (3, 2) and an anti-extraction component (4) and is provided with a connecting bump (6) mounted at a minor diameter part (5) at the lower part of the male connector, a first longitudinal groove part (12), a horizontal groove part (13) and a second longitudinal groove part (14) formed at the inside surface of the female connector. The anti-extraction component is inserted from a window (15) connecting the inner and outer of the female connector through the interacted part of the second longitudinal groove part (14) and the horizontal groove part so as to limit the connecting bump of the male connector in the second longitudinal groove to move in the upper and lower directions.

There is provided an outrigger connection locking device used in a crane apparatus (3) including a boom (6), a swivel base (5) that supports the boom (6) so as to be raised and lowered, a carrier frame (4) on which the swivel base (5) is mounted, and an outrigger (7) removably mounted to the carrier frame (4). The outrigger locking device includes: a connection pin (84, 85) that can be inserted into a carrier frame hole (44) formed in the carrier frame (4) and into an outrigger hole (73) formed in the outrigger (7); a telescopic cylinder (81) that performs a telescopic motion that allows the connection pin (84, 85) to move to a location in which the connection pin (84, 85) is inserted into the carrier frame hole (44) and the outrigger hole (73); a connection locking unit (9) that restricts the connection pin (84, 85) inserted into the carrier frame hole (44) and the outrigger hole (73) from moving; and a remote operation mechanism (10) for connection locking that can operate the connection locking unit (9).

The invention provides a rotary compressor and a manufacturing method thereof, which reduce the slide loss between a roller and an eccentric portion as much as possible and cause no obstruction to the assembling operation. A rotating shaft (8) is composed of a first rotating shaft portion (36) which is supported by an upper bearing and has a first eccentric portion (13), and a second rotating shaft portion (37) which is connected with the first rotating shaft portion, is supported by a lower bearing and has a second eccentric portion (23). The portion of each eccentric portion opposite to the projecting portion of the projecting eccentric portion of each rotating shaft portion is located at the inner side, with respect to partial rotating shaft portions supported by the bearings.

The invention provides a real-time data communication heartbeat packet pushing method. The real-time data communication heartbeat packet pushing method comprises the following steps that: after initial connection is established between a client and a server, a client application program automatically sends a heartbeat packet to the server, the heartbeat packet sending period is initially set as preset time, and the heartbeat period is continuously prolonged; and when the heartbeat period is prolonged to the longest heartbeat supporting time of equipment, the longest heartbeat supporting time of the equipment is taken as a heartbeat period, heartbeat packets are continuously sent to the server, network disconnection and reconnection are carried out, heartbeat packet messages are pushed to the server again, and the client is pulled up to operate. The real-time data communication heartbeat packet pushing method prolongs the heartbeat packet sending period continuously, explores the longest heartbeat supporting time of the equipment, and takes a previous heartbeat period of the heartbeat period with heartbeat sending failure as the heartbeat period, so that the equipment can be ensuredto be not disconnected, the sending frequency of heartbeat packets can be reduced, the equipment power consumption is reduced, and the power consumption of the client equipment is obviously reduced.

The invention realizes to lead the opening/closing motions of an impacted roller to be automatized without using a special drive unit and prevents deflexion through closing the impacted roller under a state that a bracket is centered. A clutch gear is arranged on a gear set used for transmitting the power of a paper feeding motor to an impacted operation rod to open and close the impacted roller. The clutch gear utilizes a handspike unit pressed on the bracket moving to the outside of an imprinting area to move along with the axial direction. The clutch gear is arranged on a disconnected position by the action of an offsetting spring usually. But if using the push rod unit to push and press, the clutch gear is then connected with a fifth middle gear. A convex edge is blocked on the clutch gear by the rotation of the fifth middle gear to maintain the clutch connection state of transmitting the power of the paper feeding motor to the impacted operation rod. The opening/closing motions of the impacted roller are carried out under the station of maintaining the connection of the clutch. If the fifth middle gear rotates, then the clutch is changed into an off-state.

The present invention discloses an electronic device. The electronic device comprises a first body; a display unit disposed on the first body; a second body comprising a first sub-body and a second sub-body, wherein the first sub-body is rotatably connected with the first body; and a first connecting piece for connecting the first sub-body and the second sub-body, wherein the first sub-body and the second sub-body have a connecting state and a separating state. The electronic device is used for solving the technical problem that in the prior art, a laptop has a heavier weight and/or a thicker thickness, and achieving the technical effect of light design of the electronic device.

The invention relates to a wiring harness production method used for producing a plurality of wire harnesses. The method comprises : a.) ends of a plurality of end connection common wires are disposed in a plurality of wire retaining parts in a sequential order of disassembly therefore the plurality of end connection common wires can be arranged in rows; by connecting the terminals to all the ends of the common wires in a pressing manner, the end connection common wires can be produced, and the plurality of wire retaining parts are disposed in the common wire retaining rods; b.) ends of end connection long wires are disposed in a plurality of wire retaining parts to arrange the end connection long wires in rows, and by connecting the terminals to the ends of the long wires, which are longer than the common wires, in a pressing manner to produce the end connection long wires, and the plurality of retaining parts can be formed in the long wire retaining rods; c.) the end connection common wires and the end connection long wires are bound together.

The invention belongs to the technical field of security chips, and particularly relates to an autonomously controllable security chip based on the industrial Internet. The autonomously controllable security chip comprises a shell, a substrate, an IO port and an encryption module. Due to a closed control system structure of production equipment, a security chip is difficult to embed into a controlsystem of the production equipment after the production equipment is accessed to the industrial Internet, so that the security monitoring on the operation of the industrial equipment is lost, and therequirement of autonomously controlling the equipment accessed to the industrial Internet cannot be met. Through the IO port arranged in the security chip, the security chip is externally arranged between the production equipment and a data line accessed to the industrial Internet, the problem that the security chip is difficult to embed in a control system of the production equipment is solved.Meanwhile, an encoder modulates information data, malicious instructions existing in the data are removed, and then the data is transmitted to an encryption module to be processed, so that the security chip plays a role in monitoring data transmitted by the production equipment, and the purpose of autonomous controllability in the industrial Internet is achieved.

The invention provides a server load balancing system, which comprises a management server and a server cluster, and is characterized in that the server cluster processes user access requests distributed by the management server, calculates load indexes of the server cluster in real time and feeds the load indexes back to the management server; the management server comprises a request detection module, a feedback module, a calculation module, a distribution module and an execution module; the calculation module calculates the load of the communication channel of the management server, and detects whether the overloaded nodes of the server cluster are lower than a preset performance level or not; the distribution module receives an access request of a user, takes out the access request from the request queue, and submits the access request to the request detection module to estimate the task load and the expected completion time of the access request; and the feedback module receives a feedback result of the server cluster. The load of the server can be ensured to be more balanced by redistributing the server through the execution module, and the stability and the reliability of managing the server are improved.

The invention discloses a dynamic connecting device of a wheel vector sensor and a wheel six-component force sensor. The dynamic connecting device comprises a bearing disc, a six-component force sensor main body and a vector sensor main body, wherein fixed legs are evenly fixed to the outer wall of the bearing disc; a fixing screw is inserted into the other end of each set of the fixed legs; the six-component force sensor main body is fixedly installed at one end of the right side of each fixing screw; a bearing is fixedly embedded in the bearing disc; a connecting cylinder is fixedly installed on the inner ring of the bearing; and the vector sensor main body is fixedly arranged in the connecting cylinder. According to the dynamic connecting device, the bearing is connected and mounted between the bearing disc and the connecting cylinder, so that the connecting cylinder can be kept in a relatively stable state in a limited state, rotation between the connecting cylinder and the bearingdisc can be prevented, the six-component force sensor main body and the connecting cylinder can work at the same time to collect data, the constructed model data can correspond to each other coherently, and the completeness of the model can be guaranteed.

The present invention relates to a dual card socket for a terminal, and more specifically, to a dual card socket enabling a user to fix two cards of the same kind into a stack and use the two cards. Particularly, the present invention relates to a dual card socket for a mobile communication terminal, in which two micro SIM cards can be fixed in the same direction into a stack. The dual card socket for a terminal comprises: a first housing on which a first card is mounted, and which has a first connection terminal being contacted with the first card and is fixed on a printed circuit board; a second housing on which a second card is mounted, and which has a second connection terminal being contacted with the second card, covers the first card and the first housing and is fixed on the printed circuit board; and a first cover fixed to the second housing to cover the second housing, whereby the two cards are stacked to be used.

Provided is a printed circuit board stack having a new structure that can connect between printed wirings of printed circuit boards that are arranged so as to face each other across a gap, with an improved operability and connection stability. With respect to a first printed circuit board (18) and a second printed circuit board (20) that are arranged so as to face each other across a gap, a first fork terminal (26) that is soldered to a printed wiring (32) is vertically provided on the first printed circuit board (18), whereas a second fork terminal (34) that is soldered to a printed wiring (36) is vertically provided on the second printed circuit board (20). The printed wiring (32) of the first printed circuit board (18) and the printed wiring (36) of the second printed circuit board (20) are electrically connected to each other via a conductive member (56) that is provided with a pair of connection portions (57) that each are pressure-contacted between pressure contact blades (28) of each of the first fork terminal (26) and the second fork terminal (34).

The invention provides a sound data playing method and apparatus, an electronic device and a storage medium. The method comprises the steps of obtaining first position information of a Bluetooth playing device; under the condition that the distance between the Bluetooth playing equipment and the electronic equipment is determined to be greater than a preset distance based on the first position information, determining distance information between the Bluetooth playing equipment and intelligent equipment in a preset range; determining a target intelligent device based on the distance information; and sending sound data to the target intelligent device, so that the target intelligent device sends the sound data to the Bluetooth playing device.

The invention discloses a detachable handle and a cooking utensil, the detachable handle comprises a handle body, the handle body is provided with a detachable mechanism, the detachable mechanism comprises a connecting assembly and a driving assembly, and the connecting assembly comprises a connecting piece; the driving assembly comprises a connecting rod, a turntable and a transverse plate, one side of the connecting rod is eccentrically connected to the turntable, and the other side penetrates through a slender hole in the transverse plate; the rotating disc rotates to drive the connecting rod, the connecting rod moves in the long and thin hole in the transverse plate to drive the transverse plate to linearly move, and the other end of the transverse plate drives the connecting piece to move and stretch out and draw back for connecting or detaching the handle and the cooking utensil. When the handle is placed independently and does not need to be connected with cooking utensils such as a pot and a shovel, the connecting assembly does not stretch out, the occupied space of the handle is reduced, cleanliness is good, and the connecting assembly is protected against damage. When the handle needs to be connected with a cooking utensil for use, the driving assembly drives the connecting assembly to stretch out, and the handle is conveniently connected with the cooking utensil.

The invention provides a magnesium alloy casting ladle of continuous exchange of a conductor and a ceramic. The magnesium alloy casting ladle structurally comprises an unmolding strut, a magnesium alloy casting upper sealing plate, a conductor and ceramic continuous exchanging device, a magnesium alloy casting lower sealing plate, a cooling pipe sleeve, a casting ladle base and a seat board, wherein the unmolding strut is fixedly connected onto the magnesium alloy casting upper sealing plate through electrowelding; and the cooling pipe sleeve is mounted in the magnesium alloy casting lower sealing plate in an embedded manner. The magnesium alloy casting ladle is crushed when the conductor and the ceramic serve as media and are in the cold and hot alternant state of having fast heat exchange and rapidly solidifies with external cooling water and contact water to further play a connecting role in the external cooling water and contact water; and in addition, under the action of a hitching wire, the magnesium alloy casting ladle enables elastic glue melting mechanisms to keep a connecting state mutually, so that during the following replacement, the conductor and the ceramic deeply embedded in the magnesium alloy casting ladle can be directly pulled out, and ceramic residue in the casting ladle is avoided.

The invention discloses a method for on-line in-situ calibration of a dynamic torque sensor, and relates to the technical field of torque sensor calibration. According to the main technical scheme, the method includes setting a magnetoelectric torque sensor on a shaft of a tested torque sensor, and the tested torque sensor is connected between rotation driving equipment and load equipment; starting the rotation driving equipment, setting a preset torque value for the rotation driving equipment, and recording a reading M0 of the magnetoelectric torque sensor and a reading Mi of the tested torque sensor; obtaining an error value delta M of the measured torque sensor by using a formula delta M = Mi-M0, wherein the precision of the magnetoelectric torque sensor is greater than that of the tested torque sensor. The technical problem that the torque sensor cannot be dynamically calibrated is solved.