48results about How to "Meet the need for connectivity" patented technology

The invention discloses an intelligent centralized street lamp control system and a method for providing a wireless WIFI hotspot. The system comprises an intelligent street lamp centralizer, the intelligent street lamp centralizer communicates with an urban trunk network via an optical fiber transceiver, the intelligent street lamp centralizer communicates with multiple WIFI APs in a broadband power carrier communication mode, and the WIFI APs are integrated on single lamp controllers. A WIFI network networking mode between the intelligent street lamp centralizer and a large number of single lamp controllers adopts a centralized control-type AC+Fit AP networking mode. The broadband power carrier communication mode for the existing street lamp power supply network is used for replacing a communication mode for a special cable such as an optical cable, and a large amount of communication cable purchasing and laying cost is saved. The existing street lamp pole is used for mounting a WIFI hotspot device, the power supply problem of the wireless WIFI network device is solved, the cost of laying the power supply cable is saved, and the pole tower purchasing and laying cost is saved.

The invention relates to a diamond/copper gradient composite material and a preparation method thereof. The preparation method comprises the following steps: respectively mixing coarse grain diamond and fine grain diamond with an adhesion agent at first; sequentially flatly laying fine grain diamond-coarse grain diamond-fine grain diamond by a certain thickness in a metal mold, pressing by using a cold pressing technology, demolding, and drying to obtain a gradient diamond preformed unit; and then permeating fused copper or copper alloy in the preformed unit, cooling and demolding and then obtain the diamond/copper gradient composite material. High heat conduction performance of the composite material prepared by coarse grain diamond can be kept, thermal resistance caused by the reason that the roughness of the surface, which is in contact with a chip, of a product is over high can also be reduced, excellent performance of the material is played fully, the technological process is simple, and the prepared diamond/copper gradient composite material can be widely used for electronic packaging devices such as semiconductor lasers and microwave power electronics.

The invention relates to the field of prefabricated assembly type concrete structure buildings, in particular to a concealed beam type connecting fully-prefabricated concrete plate structure and manufacturing and assembling methods. Fully-prefabricated concrete plates are formed in the mode that concrete is poured into formwork structures; longitudinal steel bars and transverse steel bars are arranged in the fully-prefabricated concrete plates horizontally and are each of the structure with the two ends being bent on the inner side of the corresponding fully-prefabricated concrete plate; and vertical sections between the bottom edges of the longitudinal steel bars and the transverse steel bars and the bent sections of the longitudinal steel bars and the transverse steel bars are arranged on the outer sides of the fully-prefabricated concrete plates. According to the concealed beam type connecting fully-prefabricated concrete plate structure, concealed beam longitudinal steel bars penetrate through closed hoops formed by lap joint of the exposed steel bars of the two prefabricated concrete plates, then, concrete is poured, and thus the plates are connected; the concealed beam longitudinal steel bars penetrate through the closed hoops formed by lap joint of in-beam reserved connecting steel bars and the exposed steel bars of the prefabricated concrete plates, then, the concrete is poured, and thus fixing of the plates on beams is completed; and the requirement for plate and beam connection in actual engineering is completely met.

The invention relates to an inclined shaft section sucker rod universal joint type connecting device in a ground driven oil recovery screw pump well. The device mainly comprises a universal joint, flexible shafts, spherical surface pressing caps, steel balls, pressure bearing ball seats, filter screens, filter screen plugs and female buckle joints, wherein the pressure bearing ball seats are symmetrically mounted at the two ends of the universal joint; one ends of the flexible shafts are connected with the female buckle joints through threads, and the other ends are connected with the pressure bearing ball seats and the spherical surface pressing caps through spherical surfaces; the spherical surface pressing caps are fixed on the universal joint through threads; and the spherical surfaces at the ends of the flexible shafts are axially fixed in the universal joint through the pressure bearing spherical surfaces and the spherical surface pressing caps.

An injector for nasal feeding comprises a cylinder, a piston head, a pushing rod and a nipple. A hand support preventing sliding is arranged on the cylinder of the injector, the two sides of the hand support are respectively provided with a groove matched with a protrusion and achieving the fixing function, each protrusion is arranged at one end of a connecting rod, the other end of each connecting rod is connected with a support, wherein the two supports are arranged at the two sides of a communicating body, a joint of the communicating body is communicated with the nipple of the injector, the communicating body and the injector are respectively made of poly-4-methyl pentene which can be heated and disinfected, and the other end of the communicating body is provided with bosses which have different diameters and are used for being connected with stomach tubes of different types. The injector for nasal feeding is simple in structure, the communicating body is prevented from sliding and being lost when the function that the communicating body is fixed is achieved, waste and pollution of nutrient solutions and pollution of bedding are avoided, the requirement for connection with the stomach tubes of different types is met, the workload is reduced, operation is convenient, the injector for nasal feeding can be reused, and pollution of the environment is reduced.

The invention relates to the technical field of firefighting, in particular to a fire hydrant connecting terminal. A hose nozzle is directly inserted into a fire hydrant connector, the hose nozzle iscommunicated with a water inlet, a pressing block on the hose nozzle drives a locking mechanism to lock the hose nozzle and the fire hydrant connector, the complicated traditional connecting and fixing way of the water inlet pipe and the fire hydrant can be changed, as long as the hose nozzle is directly inserted into the fire hydrant connector, and the pressing block drives the locking mechanism,the connector can be stabilized, so that the connection is convenient, the two connectors are tightly closed, the connection requirement can be met, the pulling force is small, and the reliability isgood.

The invention relates to the technical field of tractor suspension, in particular to a hydraulic control system of a tractor suspension mechanism. The system comprises limiting rods, limiting sliding grooves are formed in the centers of the surfaces of the side walls of the two ends of the limiting rods, one end of the limiting rods is fixedly connected with a first limiting rod connecting lug, a limiting rod hinge hole is formed in the first limiting rod connecting lug, the other end of the limiting rods is fixedly connected with a second limiting rod connecting lug, and the top end of a buffer rod is fixedly connected with a second hinge seat. By arranging a screw rod, the limiting rods and a hydraulic lifting rod are arranged on the screw rod, and the positions of the limiting rods and the hydraulic lifting rod are adjusted through locking nuts, so that the distance between suspension mechanisms is adjusted, and the connection requirement for connection of agricultural tools such as ploughs of different sizes can be met. A stretching rod is arranged, the limiting rods are stabilized and damped through a third spring, and the two limiting rods draw close to each other, so that the plough is clamped and fixed, and the stability of fixing the plough is improved.

The invention provides a roller way suitable for equipment large-stroke movement. The roller way comprises a supporting mechanism, a transmission mechanism, a guide mechanism, chains and rollers. The rollers are installed on the corresponding chains. Equipment and the chains are connected in series to form a closed loop. The chains are supported on the guide mechanism and drive the equipment to move along the guide mechanism under the driving action of the transmission mechanism. The guide mechanism is installed on the supporting mechanism. The guide mechanism is arranged according to a required moving route of the equipment. The supporting mechanism can be installed on a foundation, and the transmission mechanism provides power for annular movement or reciprocating movement of the chains. The equipment moves along with the chains. When the roller way is used for connecting intermediate billets, the equipment serves as an intermediate billet connecting device, the rollers are used for conveying the intermediate billets, the intermediate billet connecting device can make synchronous movement along with the chains and the intermediate billets, on-line large-stroke following and reciprocating movement can be realized, and the connecting requirements of the intermediate billets are met. The roller way is suitable for large-stroke movement equipment and has the characteristics of being simple in structure and easy to control.

The invention discloses a steel structure and high-strength bolt friction type connecting method based on a particle anti-sliding effect.No special contact surface treatment technology is needed, particles are directly pressed into the part between steel plates connected by high-strength bolts, and then the high-strength bolts are fastened to increase the anti-sliding coefficient of the high-strength bolts.The particles are pressed into the part between the two connecting plates according to the requirements that when the particles are pressed into the part between the plates, deformation can exist while no crack is allowed, and the connecting plates are tightly pressed without a gap.The particles need to meet specific mechanical characteristics and geometric characteristics, and are arranged around bolt holes of the high-strength bolts in a specific mode.According to the steel structure and high-strength bolt friction type connecting method based on the particle anti-sliding effect, the requirement for the surfaces of the connecting steel plates is not high, the particles are directly pressed in to form stable pits on the surfaces of the steel plates, the particles are tightly fixed in the pressed pits with the pretension force of the high-strength bolts, mutual sliding between contact surfaces is prevented through clamping and mutual limiting of the particles and the pits, the anti-sliding coefficient of the connecting contact surfaces of the high-strength bolts is obviously increased, and meanwhile the surface treatment technology of components is efficiently simplified.

The invention provides a thyristor converter valve module. The valve module comprises a combined frame, a thyristor press mounting mechanism, a damping capacitor, a saturation reactor, a gate pole door and a water cooling system are mounted on the combined frame, and a radom is arranged in the periphery of the combined frame; the combined frame is T shaped and comprises first, second and third rectangular frames, wherein the second and third rectangular frames are arranged respectively at the two outer ends at the same side of the first rectangular frame. The valve module is more stable and reasonable in the structural layout, low in the weight and high in the bearing capability; and under the condition that the structural intensity of the valve module is ensured, internal insulation requirements and external shielding effects of the valve module are satisfied.

The invention relates to the technical field of an underwater vehicle, and specifically relates to an umbilical cable photoelectric separator. The umbilical cable photoelectric separator of an underwater vehicle comprises a seal housing, an oil charge valve, an exhaust valve, a hydraulic position spring, a fiber interface, a cable interface and an umbilical cable fixing structure, wherein the fiber interface and the cable interface are watertight connectors; when the underwater vehicle works, the exhaust valve is opened; the oil charge valve is connected with an oil tube, and fills the seal housing with oil according to the practical water depth and the position of the hydraulic position spring; after completion of oil filing, the seal housing is arranged at the reserved position of the underwater vehicle, and the umbilical cable fixing structure is fixed; and a fiber and a power supply cable of the underwater vehicle are respectively connected with the fiber interface and the cable interface. The umbilical cable photoelectric separator of an underwater vehicle solves the problem that when the umbilical cable of a current cable-controlled underwater vehicle directly performs photoelectric separation from the tail of the cable, the fiber is easy to damage and the safety is lower and usage and maintenance is not convenient, and can satisfy various working water depth requirementsby adjusting the internal oil pressure.

The invention discloses a flange assembled and multi-functional separated type butterfly valve which comprises a valve body. The valve body is divided into two branch valve bodies which are matched with each other. The valve body is internally provided with a valve core component and a fluid passing channel penetrating through the valve body. The top of the valve core component penetrates throughthe valve body and is connected with a handle. The handle rotates taking the valve core component as the circle center. The handle is provided with a regulating handle used for fixing the rotary position of the handle. The valve body is provided with a limiting device for being fixedly connected with the regulating handle. According to the flange assembled and multi-functional separated type butterfly valve, valve ports of the multiple branch valve bodies are arranged and connection between the branch valve bodies is unified, and multiple combination modes of the valve ports in both sides of the valve bodies are achieved, so that the branch valve bodies with the different valve ports are mutually combined so as to meet the requirement of different devices for butterfly valve connection.

Embodiments of the present invention provide a data transmission method, terminal equipment and a base station. Wherein, the method for transmitting data includes: the terminal device determines a first reference signal (RS) sequence corresponding to a first time interval, wherein the first RS sequence is one of N RS sequences, and N is a positive integer greater than 1 , wherein, the N RS sequences are generated based on at least two root sequences; at the first time interval, the terminal device sends the first RS sequence to the base station; the terminal device transmits the first RS sequence according to the first RS sequence Determining an RS sequence from the N RS sequences as a second RS sequence corresponding to a second time interval, wherein the second RS sequence is determined according to the first RS sequence; in the second time interval, The terminal device sends the second RS sequence to the base station.

The invention relates to the technical field of material supervision, and discloses a monitoring management method for equipment and tools in the power industry. Through the creation of the invention, a management auxiliary scheme suitable for carrying out warehouse-in and warehouse-out data reporting on equipment and tools in the power industry is provided, that is, an MCU module, and a vibration sensor, a WiFi communication module and a mobile communication module which are in communication connection with the MCU module are arranged in terminal equipment bound with the equipment and tools in the power industry; according to an acquisition signal from the vibration sensor, the use state of the terminal equipment and the power industry equipment tool can be sensed, and optimal energy-saving warehouse-in and warehouse-out data reporting logic is carried out based on a sensing result. According to the method, a manager can perform in-library management and protection on the power industry equipment tool more quickly and conveniently, meanwhile, the lowest consumption of electric energy is ensured, the endurance time of terminal equipment is prolonged, and practical application and popularization are facilitated.

The invention belongs to the technical field of driver examination and training and relates to a mine trolley drilling position accuracy checking device and detection method. The checking device comprises a trolley drilling machine, a drill rod, a label sensor, a vehicle-mounted computer and drilling position sensing labels; an operation rod used for controlling the drill rod to move is arranged in the trolley drilling machine; the label sensor is installed on the drill rod; the drilling position sensing labels are arranged in an excavation section; a plurality of shot hole point positions are arranged on the excavation section; the vehicle-mounted computer generates and displays a simulated shot hole point position map; and the drilling position sensing labels correspond to the shot hole point positions one to one; when the label sensor moves to a set distance from the drilling position sensing label, the drilling position sensing label transmits coding information to the label sensor, the label sensor transmits the coding information to the vehicle-mounted computer, and the vehicle-mounted computer forms an examination record, and the accuracy of searching a shot hole position by a driver is improved.