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53results about How to "Good connection" patented technology

LoRa-based power distribution terminal communication system

The invention discloses a LoRa-based power distribution terminal communication system, and relates to the communication field of power distribution networks. The power distribution terminal communication system herein is proposed in order to address the technical problems of wireless communication used by current power distribution networks, such as poor matching among transmission power consumption, transmission velocity, transmission data volume and transmission distance, and high construction cost due to the fact that most reply on infrastructure to provide communication support. The systemherein includes a data acquiring apparatus, a data concentrator, a network server and a monitoring terminal. The data acquiring apparatus is connected to the data concentrator in a wireless manner. The data concentrator is connected to the network server through a network. The network server and the monitoring terminal are connected. According to the invention, the system herein, based on the characteristics of the LoRa technology, such as low energy consumption, long transmission distance and no need for support from a base station, can acquire power from solar energy, wind energy, voltage transformers and on-site inspection devices and can automatically adjust work modes to adapt to energy consumption. Therefore, the system herein can ensure long-term and efficient communication of a power grid.
Owner:GUANGXI POWER GRID ELECTRIC POWER RES INST

Edge-by-edge layering method of triangular patch model in rapid forming

The invention discloses an edge-by-edge layering method of a triangular patch model in rapid forming. The method comprises the steps: firstly, removing redundant points based on triangular patch model data read into an internal storage, and establishing a forward edge table, information of a left connection patch of the forward edge table and information of a right connection patch of the forward edge table; then, traversing the model to acquire the maximum Z value and the minimum Z value in the layering direction, and working out the total number N of layers of the model according to a preset layer thickness; establishing a dynamic array with an intersection point connection auxiliary data structure, and a layering contour array, wherein both the length of the dynamic array and the length of the layering contour array are equal to number N of the layers; thirdly, traversing the forward edge table, selecting forward edges sequentially, working out the intersection points of the edges and an intersection layering plane sequentially based on the geometric continuity of the edges, and executing the intersection point connection algorithm immediately every time when one effective interaction point is worked out; finally, processing all the forward edges to obtain a layering contour line with the contour line direction meeting the left-hand rule. By means of the method, the layering efficiency can be effectively improved.
Owner:HUAQIAO UNIVERSITY

Prefabricated energy pipe pile joint

The invention relates to a prefabricated energy pipe pile joint. The pipe pile joint comprises a hook part arranged on an upper pile section and a slot part arranged on a lower pile section, wherein the hook part comprises a plurality of hook bodies arranged on the lower end face of the upper pile section at intervals; the top ends of main bodies of the hook bodies can be arranged on the upper pile section in an axial up and down movement manner; the bottom ends of the main bodies extend downwards vertically and are bent upwards to form hooks; the slot part comprises a plurality of notches formed in the lower pile section; the notches correspond to the hook bodies one to one; a plurality of upper openings penetrating in an axial direction of the upper pile section are formed in the upper pile section; a plurality of lower openings penetrating in an axial direction of the lower pile section are formed in the lower pile section; the upper openings correspond to the lower openings one toone; and one upper opening and one corresponding lower opening penetrate vertically to form a channel allowing a pipeline to pass through. According to the joint, a pipe pile is connected by a mechanical connecting structure; and the joint is not influenced by worker operation, and has the advantages of convenience and good connecting effect.
Owner:ZHEJIANG UNIV OF TECH

Constructing method for three-dimensional pipeline model connecting piece model

The invention relates to the space information system technology field and discloses a constructing method for three-dimensional pipeline model connecting piece model. The method comprises the following steps: 1) constructing a connecting piece model in which a connecting ball model is created and a sleeve tube model is created; 2) controlling the position and the shape of the connecting piece model in which operations are made to the connecting ball model and the sleeve tube model; and 3) controlling the appearance attributes of the connecting piece model. The invention is used for smoothing process to package a pipeline mouth at the starting terminal or the ending terminal of the pipeline where a connecting ball or a sleeve tube are used. When two pipelines are aligned with an angle of 180 degrees at the aligning position, the sleeve tube can completely wrap the connecting ball and realize the smooth alignment of the two pipelines, making the pipelines connected with better looking. When the pipelines are aligned with an angle of other degrees, the connecting ball is apparently visible from the outer side of the bended point so that the two pipelines can transit naturally. When three or more pipelines are connected, the sleeve component of the invention can achieve a good connection effect.
Owner:ZHEJIANG KELAN INFORMATION TECH CO LTD

Plastic straight-head high-voltage connector

The invention discloses a plastic straight-head high-voltage connector, which comprises a plug assembly and a socket assembly, wherein the plug assembly comprises a tail cover, a cable waterproof ring, shielding rings, jack sleeves, a position guaranteeing part, a plug shell, a head waterproof ring, a plug shielding cover, a plug rubber core and signal pins; and the socket assembly comprises a socket shell, a signal jack piece, a socket waterproof ring and a socket shielding cover. As the position guaranteeing part is arranged reasonably, accurate abut joint between the plug assembly and the socket assembly can be ensured, and the connection effects are good; through match between a positioning slot and an external sleeve part and match between a connector and an internal sleeve part, thecoupling is tighter, falling is not easy, and the match stability is enhanced; the shielding effects are good, external interference is reduced, the sealing effects are good, the possibility of entering of water and dust is thus reduced, the working reliability is effectively ensured, the service life is long, and besides, a man hand can be prevented from touching the jack sleeve or the connectionpin due to error operation, the use safety is greatly improved, and wide promotion and application are facilitated.
Owner:广州连捷新能源科技有限公司

In-situ synthesized titanium-based composite material composite laminated component, and preparation method and application thereof

The invention discloses a preparation method of an in-situ synthesized titanium-based composite material composite laminated component, and relates to the field of metal-based composite materials. Themethod comprises the following steps: A, carrying out linear cutting machining on a titanium alloy base material and a titanium-based composite material plate sample; B, performing surface treatmenton the plate sample; C, tightly attaching at least one layer of the titanium alloy base material and at least one layer of the titanium-based composite material plate sample to obtain a composite plate component, and coating the surface of the composite plate component with a BN solution, putting the coated component into a pressure mold, and fixing; and D, carrying out heat insulation on the composite board component at 850-950 DEG C under 5-15 MPa for 0.5-1.5 h to obtain the titanium-based composite material double-layer board or multi-layer board component without the interface cavity defect. The interface shear strength of the composite component is 640-670 MPa, the composite component has good strength and plasticity, a new solution is provided for machining of the high-strength-and-toughness titanium-based composite component, and the composite component has far-reaching strategic significance in preparation of the ultrahigh-strength multi-layer composite component.
Owner:SHANGHAI JIAO TONG UNIV

Mechanical arm assembly used for automated production

The invention discloses a mechanical arm assembly used for automated production. The mechanical arm assembly comprises a bottom plate. A box body is fixedly installed on the upper surface of the bottom plate. A horizontal movement frame is fixedly installed on the lower surface of the bottom plate. A fixed plate is arranged on the upper surface of the box body. The upper surface of the fixed plateis connected with a drive plate. The upper portion of the drive plate is connected with a short arm. A supporting arm is connected to the inner side of the short arm. A connection arm is arranged onone side of the supporting arm. The invention discloses the mechanical arm assembly used for automated production. By means of the mechanical arm assembly, after the mechanical arm assembly is installed and fixed, the transverse position of the mechanical arm assembly can be adjusted, and the mechanical arm assembly can conveniently adapt to different work areas; when an arm end joint clamps an object, the pressure borne by the arm end joint can be effectively reduced, and a good protection effect is achieved; and the supporting arm and an arm rod can also be reinforced, and therefore the firmness degree between the supporting arm and the arm rod can be better, and the situation that the supporting arm and the arm rod loose is effectively avoided.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE

Shaft connection structure

The invention discloses a shaft connection structure. The shaft connection structure comprises a connecting shaft, wherein the connecting shaft is hollow, and two ends of the connecting shaft are in communication; the input end of the connecting shaft is detachably and fixedly connected with a turbine disk of a turbine component through a fixed connecting piece, so that relative motion between theconnecting shaft and the turbine disk is avoided; a limiting step which is protruded facing the center of a shaft hole is arranged in the shaft hole of the output end of the connecting shaft; the output end of the connecting shaft is connected with a gas compressor rear shaft journal of the gas compressor component through an internal and external spline structure; an axial limiting member is fixedly mounted in the shaft hole of the gas compressor rear shaft journal, and is used for propping the limiting step to enable the connecting shaft to be in rigidity connection with the gas compressorrear shaft journal, then the power transmitted by the turbine disk to the connecting shaft is smoothly transmitted to the gas compressor rear shaft journal, and besides, the axial limiting member andthe propping limiting step are also used for preventing the connecting shaft to slide towards the turbine disk in the axial direction. According to the shaft connection structure disclosed by the invention, the power can be smoothly transmitted to the gas compressor rear shaft journal by the connecting shaft, and the power transferring quality is good.
Owner:CHINA HANGFA SOUTH IND CO LTD

Reaction kettle prepared from active tantalum metal, active zirconium metal, active titanium metal and low-alloy-steel composite plate

The invention discloses a reaction kettle prepared from active tantalum metal, active zirconium metal, active titanium metal and a low-alloy-steel composite plate. The reaction kettle comprises a first cylinder body, wherein the top of the first cylinder body is fixedly connected with an upper seal head, the left side of the top of the upper seal head is communicated with a material inlet, the interior of a stirring port is rotatably communicated with a transmission device, and a shaft seal device is fixedly connected in the stirring port; the inner wall of the shaft seal device is rotatably connected with the transmission device. According to the reaction kettle prepared from the active tantalum metal, the active zirconium metal, the active titanium metal and the low-alloy-steel compositeplate, zonal corrosion resistance is effectively achieved, the cost is reduced, the integral use effect of equipment is ensured, and effective zonal material selection is achieved; a zirconium material is applied to a contact medium part of a stirring device according to medium corrosion properties and the corrosion resistance requirements of materials, a baffle assembly is used as the main partof the stirring device, and a supporting-type stirring design structure is selected, so that the reaction effectiveness of each section is ensured, and the effective and reliable reaction functions ofa reactor are guaranteed.
Owner:NANJING BAOSE
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