34results about How to "Realize direct connection" patented technology

The invention discloses an assembled building connector which comprises a hollow inner edge sleeve, a hollow sleeve and a connecting bolt. Circular holes are formed in one end of the hollow inner edge sleeve and one end of the hollow sleeve, a screw of the connecting bolt passes the circular holes, an outer edge nut is mounted in a hollow of the hollow inner edge sleeve, the outer edge nut and an inner edge hollow are clamped, the head of the connecting bolt is clamped in the hollow of the hollow sleeve, a screw of the connecting bolt penetrates the circular hole of the hollow inner edge sleeve and is connected with the outer edge nut in a screwed manner, and a fixing nut is arranged on the connecting bolt between the hollow inner edge sleeve and the hollow sleeve. According to the assembled building connector, connection between building components is effectively achieved, reinforcing steel bars in the components are directly connected, and the assembled building connector is simple in structure and convenient in connecting and locking.

The invention discloses a high-speed digital oscilloscope bandwidth calibration test device and test method, and belongs to the field of oscilloscope bandwidth calibration. The testing device comprises a resistor R1, a resistor R2, a resistor R3 and three testing ports; one end of the resistor R1 is connected with a signal input end port 1, the other end of the resistor R1 is connected with one end of the resistor R2 and one end of the resistor R3, the other end of the resistor R2 is connected with a signal output end port 2, and the other end of the resistor R3 is connected with a signal output end port 3; and the signal input end port 1 is used for being connected with an output port of an analog signal source, the signal output end port 2 is used for being connected with an input port of a power sensor, and the signal output end port 3 is used for being connected with a high-speed digital oscilloscope. According to the test method, only the signal frequency of the analog signal source needs to be adjusted, the output power level of the analog signal source does not need to be adjusted, the power compensation error is reduced, and the accuracy of the bandwidth calibration test isimproved.

The invention discloses a digital power station delivery method based on BIM and GIS, a medium and equipment. The method comprises the following steps: determining a digital delivery rule; determining a digital deliverable delivery requirement; determining a digital delivery scheme to establish a BIM, a GIS model or a BIMGIS model of a digital deliverable in the power station; digital delivery information association: determining that a digital deliverable in the power station needs to deliver associated information and associates the associated information to the deliverable; taking the BIM, the GIS model or the BIMGIS model of the deliverable associated with the completed information and the information associated with the deliverable as delivery objects for delivery; and after the delivery is completed, checking the detailed information of the deliverable through the local window. According to the method, paperless digital interaction can be achieved, the technical problems that traditional delivery is low in efficiency and accuracy are solved, a source is provided for digitization of a power station through three-dimensional design, source-to-end direct connection of information is achieved, and it is fundamentally ensured that the information is correct.

The invention discloses a novel fabricated building connecting piece comprising a hollow inner edge sleeve I, a hollow inner edge sleeve II and a right-hand and left-hand thread lead screw. A fixing nut and a locking nut are arranged in the bonding position of a right-hand thread and a left-hand thread; circular holes allowing the right-hand and left-hand thread lead screw to pass are formed in one ends of the hollow inner edge sleeve I and the hollow inner edge sleeve II correspondingly; a right-hand thread outer edge nut clamped with an inner edge hollow is installed in the hollow of the hollow inner edge sleeve I, and a left-hand thread outer edge nut clamped with an inner edge hollow is installed in the hollow of the hollow inner edge sleeve II; and one end of the right-hand and left-hand thread lead screw penetrates through the circular hole of the hollow inner edge sleeve I to be connected with the right-hand thread outer edge nut in a screwed mode, and the other end of the right-hand and left-hand thread lead screw penetrates through the circular hole of the hollow inner edge sleeve II to be connected with the left-hand thread outer edge nut in a screwed mode. The connecting problem of building members is well solved, steel bars in the members are directly connected, the structure is simple, and connecting and locking are convenient.

The invention provides a game interaction method and system. The game interaction method comprises the steps that IP addresses, sent by a server, of other clients of a target game are received; sending a request for establishing P2P connection to the other clients; under the condition that a response message fed back by a first client in the other clients is received, establishing a P2P connection channel with the first client; and sending a game state synchronization request to the first client through the P2P connection channel, and performing game state synchronization with the first client through the P2P connection channel. In the game interaction method, the P2P connection channel is established between the clients in the target game, so that direct connection between the clients is realized, and the server does not need to be used as a transfer for data interaction between the clients, so that the pressure of frequent data transmission on the server is reduced and the broadband resources are saved; therefore, the server can be supported to be connected with more players at the same time.

The invention discloses a web-game interaction method, device and system and belongs to the web-game field. The web-game interaction method includes that a first browser sends a P2P channel building request to a second browser when a first terminal logs in a web-game application; the first browser builds a P2P channel between the first browser and the second browser after receiving the request respond from the second browser; the first browser and the second browser transmit data of the web-game application through the P2P channel. The first browser comprises a request module, a building module and a processing module. The second browser comprises a receiving module, an acquiring module, a responding module, a building module and a processing module. The system comprises the first terminal and a second terminal. The web-game interaction method, device and system realize to directly connect with the browser of the web-game without server transfer and realize the resource sharing and point-to-point transmission of the web-game through browsers.

The invention relates to a transmission system for converting 9-channel coder signals into 1000Mbps PHY signals, belonging to the technical field of data communication protocol conversion of robots. The transmission system comprises PHY chip circuits U1 and U2, digital photoelectric couplers U3-U11, 485 transceivers U12-U20, RJ45 sockets J1 and J2 with isolation transformers, an FPGA chip circuit, an EPCS configuration chip circuit, a Jtag interface and SM-6P-PCB sockets J3-J11; the two-channel MII digital signal output and input ends of the FPGA chip circuit are respectively connected with the MII digital signal input and output ends of the PHY chip circuits U1 and U2; the differential data signal output and input ends of the PHY chip circuits U1 and U2 are respectively connected onto the RJ45 sockets J1 and J2 with the isolation transformers; and a master station and a slave station are arranged simultaneously. The transmission system provided by the invention satisfies high-stability, low-delay, long-distance and low-cost transmission requirements of industrial robots to coder data communication in a complex electrical environment, and simultaneously satisfies the high-refreshing-speed requirements of a robot controller to the coder data.

The invention provides a remote control method and system for a beer machine, and the method comprises the steps: building connection with an applet through Bluetooth after the beer machine detects a Bluetooth connection request sent by the applet; controlling the beer machine to carry out beer discharging operation through the applet; and the applet uploads the current beer selling information to the platform. The beer machine is connected with the applet mobile terminal through Bluetooth, Bluetooth direct connection is achieved, and the self-service selling function of the beer machine is expanded through Bluetooth direct connection.

The invention relates to the field of material conveying equipment, specifically a high-temperature spiral feeder. The high-temperature spiral feeder comprises a motor reducer, a cooling section, a heat insulation section and a high temperature feeding section which are connected in sequence, wherein the output shaft of the motor reducer penetrates the cooling section and then is connected to a spiral conveyer main shaft in the high temperature feeding section through a shaft coupling in the heat insulation section; the cooling section comprises a cooling box, a temperature sensor arranged inthe inner cavity of the cooling box, a semiconductor cooler arranged on the wall of the cooling box, and a temperature controller arranged outside the cooling box; a first heat insulation gasket is clamped between the cooling box and the motor reducer; a second heat insulation gasket is clamped between the cooling box and the heat insulation section; the signal output of the temperature sensor isconnected to the temperature controller, and the signal output of the temperature controller is connected to the semiconductor cooler; and the on-off of the semiconductor cooler can be controlled by the temperature controller through the temperature signal measured by the temperature sensor. The high-temperature spiral feeder has a compact structure, does not require water cooling, and can guarantee the continuous transportation of high temperature materials.

The invention relates to an energy-saving horizontal double-suction centrifugal pump, which includes a pump body, a pump cover, an impeller and a motor. The connection between the motor side cover and the pump cover II is fixed, and there is an open air isolation gap or a cooling water isolation cavity between the two. The motor shaft passes through the pump cover II and enters the pump body, and the impeller corresponds to the center of the vortex chamber in the middle. Installed on the motor shaft, there is a bellows type dynamic seal between the impeller and the pump cover II, the suction vortex chamber on both sides of the pump body and the discharge vortex chamber in the middle are matched with the partition wall integrated with the pump body and the partition wall by using a spigot The left and right annular partitions are separated together, the center line of the left and right annular partitions coincides with the axis of the motor, and the left and right annular partitions and the corresponding side pump cover respectively use the connecting ribs to form an integrated structure. The outer diameters of the left and right annular partition plates are greater than the maximum diameter of the impeller. It is energy-saving and high-efficiency, and at the same time, it is convenient for repair and maintenance, and significantly improves work efficiency.

The invention discloses an online distortion current correction sensing device for distributed photovoltaic grid-connected power generation. Due to saturation, magnetic hysteresis and other characteristics of an iron core material, the existing current transformer is low in accuracy when harmonic current is measured. During a long-time use process, a Rogowski coil has problems of cold and thermal expansion, temperature drift of an integral reduction circuit component and the like, and thus accuracy is low and not stable. The device of the invention comprises a first coil, a second coil, a third coil, the iron core, a fourth coil, a first resistor, a first operational amplifier, a second resistor, a third resistor, a capacitor, a second operational amplifier, an analog-to-digital converter, a microprocessor and an RS485 communication interface; the homonymous end of the first coil and the non-homonymous end of the third coil form an input port of the sensing device, and the RS485 communication interface is an output port of the sensing device. Two primary current sensors: the Rogowski coil and the current transformer are provided, operation state monitoring can be carried out mutually, and reliability of the sensing device is improved.

The invention provides a novel multi-gear transmission and belongs to the technical field of transmissions. The novel multi-gear transmission solves the problems that an existing multi-gear transmission is complicated in structure and large in manufacturing difficulty. The novel multi-gear transmission comprises an input shaft, a middle shaft and output shaft, wherein the middle shaft is parallelto the input shaft, the output shaft and the input shaft are coaxially arranged, a reverse gear structure, a first first-grade speed reduction structure, a second first-grade speed reduction structure, a third first-grade speed reduction structure, a fourth first-grade speed reduction structure are sequentially arranged between the input shaft and the middle shaft, a first second-grade speed reduction structure and a second second-grade speed reduction structure are arranged between the middle shaft and the output shaft, a first synchronous structure is arranged between the first second-gradespeed reduction structure and the second second-grade speed reduction structure, a second synchronous structure is arranged between the fourth first-grade speed reduction structure and the first second-grade speed reduction structure, a third synchronous structure is arranged between the second first-grade speed reduction structure and the third first-grade speed reduction structure, and a fourthsynchronous structure is arranged between the reverse gear structure and the first first-grade speed reduction structure. The novel multi-gear transmission has the advantages of being simple and compact in structure, low in cost and the like.

The invention discloses optical cross connection equipment for a metro backbone transport network. The optical cross connection equipment comprises frame bodies, optical cable fixing devices, a plurality of optical cross connection sub-frames, an intelligent fiber core management unit and a jumper fiber storage unit, wherein the frame body provides an installation space for equipment, and each frame body is internally provided with an optical cable fixing device, a plurality of optical cross connection sub-frames, the intelligent fiber core management unit and the jumper fiber storage unit; the optical cable fixing device is used for fixing external optical cables; a multi-core movable connector assembly is arranged in the optical cross connection sub-frame, so that each optical fiber in the external optical cable is formed at a port of the multi-core movable connector assembly and has cross capability; the intelligent fiber core management unit is used for identifying the electronic tags at the two ends of the jumper fiber so as to realize intelligent management of the use condition of the fiber core; and the jumper fiber storage unit is used for storing the excess length of the jumper fiber. The problems that an existing ODF device is small in device capacity, the number of jumper fibers in the device is large, the cross connection capacity of the device is poor, and effective management of an ODF port is lacked can be solved.

The invention provides a high-efficiency rotary reciprocating plunger vacuum pump. The vacuum pump comprises a tilting disk, a plunger limiting device, a plunger component, a cylinder body, an air distribution disk, vacuum pump oil, an exhaust valve, an air inlet and an exhaust hole, wherein the cylinder body rotates; the plunger component rotates along the circumferential direction of the cylinder body under the combined action of the tilting disk, the plunger limiting device and the cylinder body and reciprocally moves along the axial direction of the cylinder body; air is sucked from the air inlet through the air distribution disk under the sealing effect of the vacuum pump oil and is discharged from the exhaust hole through an exhaust valve. The reciprocating vacuum pump has the advantages of small clearance volume, high pumping efficiency, low ultimate pressure, capabilities of realizing higher pump limit speed and realizing direct connection with a motor, small size and light weight.

The invention discloses a micro-miniature linear scavenging device which comprises a linear scavenging box body and a piston air distribution valve element assembly, a linear scavenging box cavity is formed in the left end of the linear scavenging box body, a rod piece matching hole communicating with the linear scavenging box cavity is formed in the right end of the linear scavenging box body, and an oil-gas mixing channel is formed in the top of the linear scavenging box body and communicates with the linear scavenging box cavity; one or more scavenging channels are arranged at the end, away from the rod piece matching hole, of the linear scavenging box cavity, and each scavenging channel penetrates through the linear scavenging box cavity to the end face matched with an external engine air cylinder; the engine air cylinder is connected to the end, wherein the one or more scavenging channels are arranged, of the linear scavenging box cavity, and each scavenging channel inclines relative to the axis of the linear scavenging box cavity and communicates with a corresponding scavenging channel in the engine air cylinder; and the piston air distribution valve element assembly is installed in the linear scavenging box cavity, one end of the piston air distribution valve element assembly extends into the rod piece matching hole, the other end of the piston air distribution valve element assembly is matched with the engine air cylinder, and an air cylinder scavenging port and an air cylinder exhaust port are formed in set positions of a power chamber of the engine air cylinder.