611results about How to "Achieve contact" patented technology

The invention discloses a rapidly charged flexible lithium ion battery and a preparation method of electrodes of the rapidly charged flexible lithium ion battery, belonging to the technical field of lithium ion batteries. The electrodes of the lithium ion battery are integrally designed by a current collector and active substances. An ultralight and flexible three-dimensional graphene communicating network structure (short for graphene foams) is used as a current collector, the active substances are embedded on the surface of the three-dimensional graphene foams, the integrated active substances and the current collector can be obtained through hydrothermal, pulp filling and impregnation processes, and the content of the active substances can be regulated as required. The electrodes of the battery are not required for a metal current collector, a binder and a conductive agent, the ultrahigh conductivity and porous structure of the three-dimensional graphene network provide rapid diffusion channels for lithium ions and electrons. The lithium ion battery consisting of a positive electrode and a negative electrode can be rapidly charged, is bendable and has no capacity loss. The method disclosed by the invention is low in product production cost, ultralight and ultrathin, and capable of realizing large-batch production, and has high practical application values.

The invention discloses an automatic holographic management system integrating detection of an electric energy meter and warehousing management, comprising an automatic pipelining standard device for detection of the electric energy meter, an unboxing machine, a boxing machine and a three-dimensional table library; wherein the three-dimensional table library is respectively connected with the boxing machine and the unboxing machine; and the boxing machine and the unboxing machine are respectively connected with the automatic pipelining standard device for detection of the electric energy meter by a conveying belt. The system changes large amount of repeated and mechanical manual modes in the whole process of the operation of the electric energy meter, and has the automatic functions of automatic delivery from the warehouse, automatic distribution, automatic feeding, automatic positioning, automatic wire connection, automatic image recognition, automatic temperature monitoring, automatic wire disconnection, automatic discharging, automatic boxing, automatic disc packing and automatic warehouse entry.

The invention relates to a high-density lithium cobalt oxide power material with a super-large grain diameter. The method comprises the steps of mixing a cobalt compound, a lithium compound or meanwhile a small amount of doping element compounds; sintering for 3 to 30 hours at the high temperature of 950 to 1,100 DEG C to form a block sintered product; crushing and grading the product to obtain the lithium cobalt oxide power material (molecular formula is LiaCo1-bMbO2), wherein, when b is not equal to 0, the middle diameter of the lithium cobalt oxide containing the doping elements is larger than or equal to 15 Mum, and the tap density is higher than or equal to 2.5g/cm<3>; when b is equal to 0, the middle diameter of the lithium cobalt oxide without the doping elements is larger than 20 Mum, and the tap density is higher than or equal to 2.6g/cm<3>. the 3.6V platform capacity rate of the material as the anode active substance for a lithium battery is higher than or equal to 75%; in the thermal impact test in a 150 DEG C thermotank, the lithium battery with the material is free from leakage and does not catch fire or explode for 60 minutes; the 1C5A specific capacity of the material in the battery is larger than or equal to 135mAh/g.

The invention discloses an automatic production line standard device detected by an electric energy meter, which comprises a loading platform, a feeding loop line belt and an electric energy meter automatic standard device. The loading platform is connected with the feeding loop line belt; a material taking manipulator and a bar code reader are mounted on the feeding loop line belt; the feeding loop line belt is connected with the electric energy meter automatic standard device; the electric energy meter automatic standard device is simultaneously connected with a blanking conveying loop line belt; a loading manipulator and another bar code reader are mounted on the blanking conveying loop line belt; the loading manipulator is connected with an electric energy meter feeding box; an unqualified product outlet is formed on the blanking conveying loop line belt; the working process of the whole production line in the whole device is controlled by a computer program through a production line control cabinet; and the calibration/ detection of the electric energy meter is controlled by a computer calibrating procedure through a calibrating control cabinet. The invention has the advantages of completely improving the calibrating/detecting work efficiency, reducing the labor intensity, improving the work quality, achieving the reliability and the safety of electrical connection, etc.

The present invention discloses wearable electrocardiographic measurement device which includes a first electrode and a second electrode, wherein the first electrode is mounted on a user's body via a wearable structure, and the second electrode is implemented to contact the user's upper limb, neck or shoulder, so as to achieve a loop for acquiring electrocardiographic signals.

The invention belongs to the field of chemical engineering and relates to a preparation method of a spinel type material, in particular to a method for preparing a spinel-type complex oxide through co-precipitation, homogenization and spray drying. According to the method, a mixed solution of two metallic nitrates and an alkaline solution are combined and added to a precipitation tank for a reaction, an obtained material is washed by deionized water, filtered, subjected to beating and refined by a homogenizer and then is sent to a spray drying machine, the dried material is subjected to calcination, and the spinel-type complex oxide powder is obtained. The method has the advantages of low calcination temperature, short time and low energy consumption, and a product has low loss, high purity and small particle size.

The invention discloses a mountainous region sponge urban three-section rainwater collection, purification and utilization system which comprises a rainwater collection system, a rainwater purification system and a rainwater utilization system. The rainwater collection system comprises a plurality of afforesting grooves formed from the mountaintop to the mountainside in sequence, a plurality of sand settling ponds and a plurality of water collection tanks; the rainwater purification system is formed by arranging a plurality of primary purification grooves and a plurality of secondary purification grooves in a ladder shape along a mountain body downwards, and the primary purification grooves are provided with an anti-scouring layer, a soil layer, a coarse sand layer and a purification layer from top to bottom in sequence; the secondary purification grooves are provided with a soil layer and a filter layer from top to bottom in sequence; the rainwater utilization system comprises an upper landscape pond and a lower water storage tank, and a concrete partition plate is arranged between the landscape pond and the water storage tank. The mountain body environment can be afforested and beautified, the good landscape effect is achieved, pollutants in rainwater can be absorbed so as to purify water, and the system is particularly suitable for building a mountainous region sponge city with water resource shortage.

The invention discloses a dynamic link prediction depth model based on multiple views and an application, and the dynamic link prediction depth model comprises a pooling module which is used for classifying and aggregating nodes with similar features and attributes in an initial network into new nodes to form a new network, and achieving the dimension reduction of the initial network; the input of the GCN-attention module is connected with the output of the pooling module, and a GCN-attention module, used for carrying out feature extraction on the input network by adopting an attention mechanism to obtain a node representation vector with spatial information and time information at the same time; a depooling module, and the input of the depooling module being connected with the output of the GCN-attention module, used for depooling the input node representation vector and outputting a dynamic link probability prediction matrix. The model can realize link prediction of the dynamic network. The model is mainly applied to prediction of dynamic links in a social network, a communication network, a traffic network, a scientific cooperation network or a social security network.

The invention mainly discloses a heteromorphic high-rate polymer lithium ion battery piece, which comprises a fully heteromorphic positive film, a fully heteromorphic negative film and a ceramic diaphragm. The heterotype is a quadrangle, and one edge is an arc; two adjacent edges of the arc are parallel with each other; a fourth edge is vertical to the two parallel edges; and ears of an anode anda cathode are positioned on the fourth edge. At least one battery piece is subjected to heat sealing by an aluminum plastic packaging film which is compounded by multiple layers of composite materials to form batteries; and the batteries are overlapped and assembled in a series-parallel connection mode to form a battery pack. An effective implementation space of the batteries which are prepared from the heteromorphic battery piece is used fully in a cylindrical battery carrier cavity; and the current density in the battery piece is uniform, and the arc edge of the heteromorphic battery pack is consistent with a curve of the carrier to realize the contact of heat conduction surfaces, so that the heat dissipation efficiency is effectively improved when a large current is discharged.

The invention discloses an intelligent metal pipe bender. The intelligent metal pipe bender comprises a bottom plate, supporting posts, a top plate, a lifting device, a first connection plate, a firstsupport, a pressing wheel, an assembly base, assembly blocks, a threaded rod, threaded sleeves, supporting rods and bearing wheels; supporting leg plates are vertically arranged on the left and rightsides of the lower end of the bottom plate; central parts of opposite side surfaces of the two supporting leg plates are provided with first hinge bases; the first hinge bases are connected with theupper ends of first connection rods; second hinge bases are arranged on the lower ends of sliding bases; the second hinge bases are connected to the upper ends of second connection rods; and the lowerends of the first connection rods and the second connection rods are all arranged on third hinge bases. By adopting the intelligent metal pipe bender, a metal pipe can be placed on the upper ends ofthe two bearing wheels; the pressing wheel is driven to press downwards by the lifting device, so that bending operation for the metal pipe is realized; the application range is wide; and besides, rollers can be in contact with the ground, so that moving of the bottom plate is realized.

The invention discloses a gas-liquid distributor used for a wood tar fluidized bed reactor, the gas-liquid distributor is mainly composed of a center pipe, a bubble cap, a non-return ball, a taper ball seat and a limit seat; the bubble cap is a cylindrical matter with a bottom opening, covers the upper end of the center pipe, and is fixedly connected with the center pipe, a material outlet is arranged on the pipe wall of the upper end part of the center pipe, the limit seat is arranged in the center pipe below the material outlet, the taper ball seat is arranged on the pipe wall of the center pipe located below the limit seat, the non-return ball is arranged on the taper ball seat; the bubble cap, the center pipe, the limit seat, the non-return ball and the taper ball seat are coaxially arranged, an annular channel is formed between the bubble cap and the center pipe, and the lower end of the center pipe is provided with a material inlet. The gas-liquid distributor can not only guarantee a gas is broken into continuous micro bubbles in a liquid, and can effectively solve or ease countercurrent congestion problem of a catalyst-carrying material when gas and liquid pressure is instable or gas and liquid material feed is suddenly interrupted, at the same time, an internal flow dead zone in the distributor is reduced, and the pressure drop is smaller.

The invention discloses a new energy automobile charging pile device. The new energy automobile charging pile device comprises a supporting column, a machine body fixed to the top of the supporting column, and a lifting protection cover arranged on the outer side of the top of the machine body. A first cavity is formed in the machine body. A second cavity is arranged in the part, on the right side of the first cavity, in the machine body. A first sliding cavity is formed in the part, above the left side of the first cavity, in the machine body. A second sliding cavity is formed in the part, below the second cavity, in the machine body. A rotary shaft extending left and right is arranged in the first cavity. The right side of the rotary shaft penetrates through the inner wall of the machine body, extends into the second cavity, and is in rotational fit connection with the second cavity. Baffles are symmetrically arranged on the part, in the first cavity, of the rotary shaft left and right. A charging cable is arranged on the part, between the baffles, of the rotary shaft in a wound mode. A first guide line is arranged in the left side of the rotary shaft. The tail end of the left side of the charging line is embedded into the rotary shaft and electrically connected with the first guide line. Conductive ring plates are arranged outside the left baffle in a wound mode. The new energy automobile charging pile device is simple in structure, convenient to operate and capable of automatically winding the charging line, meanwhile, the safety is improved, and electric shock accidents are prevented.

The invention discloses a manufacturing method of a quantum point contact. The method is based on a 'sandwich' structure unit composed of an electrode one, a middle layer and an electrode two, wherein the electrode one and the electrode two are respectively composed of conducting materials, and the middle layer is composed of insulating dielectric materials; the electrode one forms a conducting region one, and the electrode two forms a conducting region two; by applying voltage at two ends of the electrode one and the electrode two, the charged ions and/or the vacancy in the conducting region two are moved towards the electrode one so as to form a conducting channel, and by controlling the size of the applied voltage, the conductivity G of the conducting channel is regulated to be integral times of quantized conductivity G0, namely, the quantum point contact between the conducting region one and the conducting region two is realized. In comparison with the prior art, the manufacturing method of the invention is simple, easy to control and high in control accuracy, and can manufacture the quantum point contact of different material systems by selecting the electrodes and the middle layer composed of different materials, thus, the manufacturing method has better application potential.

The invention discloses a hexagonal honeycomb, a preparation method and application thereof. The hexagonal honeycomb includes a plurality of hexagonal honeycomb units and plastic films arranged on the upper surfaces and lower surfaces of the honeycomb units, each honeycomb unit has six side walls, two sides walls in the vertical direction between the honeycomb units are not connected, and the remaining four side walls are the common side walls of two neighboring units. According to the hexagonal honeycomb, the plastic films are fused on the upper surface and the lower surface of the hexagon, the upper surface and the lower surface of the hexagon are all sealed, thus overcoming the problem of line contact between a round tube honeycomb surface layer (various sheets) and a honeycomb core layer, realizing surface contact and greatly improving the strength. Two side walls in the vertical direction between the honeycomb units are not connected, certain gap can exist, thus endowing a honeycomb plate with better sound and heat insulation benefits. The method provided by the invention can realize automatic continuous production, and compared with traditional honeycomb production lines, the production efficiency can be increased by 8-10 times. The honeycomb does not contain any glue or other harmful solvents, and can realize 100% recovery.

The invention provides a protocol analysis method, device and system based on a container and a storage medium. The method comprises the steps that edge equipment determines a required target protocolanalysis program; sending a mirror image downloading request to the cloud equipment, wherein the mirror image downloading request comprises an identifier of the protocol analysis program requested tobe downloaded; the cloud equipment receives a mirror image downloading request sent by the edge equipment; determining a matched target protocol analysis program in a protocol analysis mirror image library according to the identifier; and sending the target protocol analysis program to the edge device. And the edge device receives a target protocol analysis program matched with the identifier andsent by the cloud device. According to the technical scheme, the relationship between the cloud equipment and the edge equipment decoupling protocol analysis program is realized, so that the effectiveness and high efficiency of massive heterogeneous data collection in the industrial Internet of Things environment are realized, the edge equipment can be more flexibly set to adapt to different industrial Internet of Things environments, and the practicability is wider.

A LiNixCo1-x-yMnyO2 cathode material coated with boron-lithium composite oxide is a LiNixCo1-x-yMnyO2 cathode material with its surface coated with a layer of boron-lithium composite oxide. A preparation method of the material comprises the following steps: adding prepared LiNixCo1-x-yMnyO2 into a mixed alcoholic solution of a lithium source and a boron source, uniformly dispersing LiNixCo1-x-yMnyO2 in the solution by ultrasonic treatment, adding a dispersant, fully immersing the material in the solution, evaporating a solvent and carrying out heat treatment so as to obtain alpha-Li4B2O5-coated LiNixCo1-x-yMnyO2. Contact between a coating and the cathode material at the molecular level is realized, and thickness of the coating layer is uniform. In addition, by coating the surface of the cathode material with the boron-lithium composite oxide, diffusion coefficient of lithium ion is raised, and ionic conductivity of the material is enhanced. Meanwhile, direct contact between an electrolyte and the cathode material is avoided effectively, and side effect of electrodes is minimized. Thus, chemical stability and cycle performance of the cathode material are improved.

The invention relates to a thin film solar cell assembly and a fabrication method thereof, and specifically relates to an interconnected flexible solar cell and a fabrication method thereof. The flexible solar cell comprises at least two flexible solar cell units. Each flexible solar cell unit comprises a flexible cell substrate, a semiconductor material layer and a light receiving layer which are stacked successively. The light receiving layer is provided with a conductive bus bar. In two adjacent flexible solar cell units, the edge of the light receiving layer of one flexible solar cell unit is overlapped with the edge of the flexible cell substrate of the other flexible solar cell unit. A conductive connection structure is arranged between the conductive bus bar on the light receiving layer and the flexible cell substrate. The invention further discloses a fabrication method of the interconnected flexible solar cell. According to the invention, the advantage of easy process operation can be realized, the ohmic contact is easy to form, the light receiving area of the solar cell can be increased, and the advantage of good safety performance can be realized.

The invention discloses an intelligent vehicle driving behavior personification decision-making method based on a driving prediction field and a BP neural network. The method comprises the following steps: 1, dividing surrounding vehicle behaviors into 9 typical behaviors bi according to combination of transverse and longitudinal aspects, fitting a similarity track corresponding to each vehicle behavior bi, and setting an area through which a target vehicle passes according to the similarity track; 2, taking front and rear vehicles of the current lane of the intelligent vehicle and front and rear vehicles of an adjacent lane as surrounding vehicles, and enabling the intelligent vehicle to use V2V communication to obtain the position, speed and acceleration of each vehicle at each moment inreal time; 3, establishing a safety prediction field, an efficiency prediction field and a driving comfort prediction field; And step 4, enabling the intelligent vehicle to obtain the field intensitysum of the sub-prediction fields of each behavior bi in the driving prediction field in real time, inputting the field intensity sum into a BP neural network driving behavior decision model after normalization processing, and outputting a y vector to decode to obtain a most reasonable driving behavior decision result.

The invention relates to a wearable electrocardiogram detection device. The wearable electrocardiogram detection device comprises a first electrode and a second electrode, wherein at least the first electrode is arranged on the body of a user through a wearing structure, and the second electrode contacts with the skin of the upper limb, the neck or the shoulder, so that an electrocardiosignal extraction loop is formed, and electrocardiosignal extraction is performed.

The invention relates to an inverted triple-junction InGaN solar cell. The inverted triple-junction InGaN solar cell comprises a substrate, an anode below the semi-transparent current expansion layer and a cathode below a first InGaN cell, wherein a GaN nucleating layer, a GaN buffering layer and a semi-transparent current expansion layer between a triple-junction InGaN cell and a tunnel junction are arranged below substrate in sequence; a cap layer is placed between the semi-transparent current expansion layer and a third InGaN cell; and the anode and the cathode are bonded on a carrier evaporated with a reflective layer through a metal convex point. According to the invention, solar spectrum is sufficiently absorbed by adopting the inverted triple-junction solar cell and a high-dosage layer after the InGaN material growing process as the cap layer, the metal convex point and the carrier; the external quantum efficiency exceeds 70%; the photoelectric conversion efficiency is increased, the service life of the cell is prolonged, the working stability of the cell is enhanced; and the cell can be directly used as a complete cell.

The invention discloses a display and demonstration device for ideological and political education. The display and demonstration device comprises a display table, a first hinge base, a display plate,an installing groove, a lead screw, an internal thread sleeve, a second hinge base, a third hinge base, a supporting rod, a bottom plate, a supporting leg plate and a walking mechanism. The walking mechanism comprises an installing block, an adjusting rod, a first hinge shaft, supporting legs, a connecting plate, wheels, a screw sleeve, a second hinge shaft and a connecting rod. Threaded parts are arranged at the two ends of the adjusting rod. The threaded parts at the two ends of the adjusting rod are equal in length and opposite in thread spiral direction. By arranging the lead screw, the inclination angle of the display plate can be adjusted, and information displayed on the display plate can be conveniently watched; by arranging the walking mechanism, positioning and walking can be conveniently conducted on the whole device, the angle of the supporting leg can be rapidly changed under the effects of the moving of the screw sleeve and the pushing of the connecting rod only by rotating the adjusting rod, and then the wheels at the lower ends of the supporting legs make contact with the ground for walking.

The invention discloses a fixing device, a fixing method and an application method for reconstruction of cruciate ligaments. The fixing device comprises a driven nail and an expansion nail sleeve. In an unexpanded state, four axially-extending grooves are formed on the peripheral side surface of a sleeve body in an inwardly and radial sinking mode. By means of the grooves, splitting of ligaments is achieved. In an expansion state, the driven nail is inserted into a sleeve body by means of an opening. Under the effect of the driven nail, the grooves are outwardly extruded so that expansive fixation is achieved. The fixing device, fixing method and application method for reconstruction of cruciate ligaments have following beneficial effects: 360-degree uniform expansion of the expansion nail sleeve is ensured; the expansion nail sleeve is prevented from being broken; transported tendons are not cut by the surgery of reconstruction of ligament; tendons are divided into four bundles by extrusion in a radial direction for effective fixation; fine fixation effect is obtained; full contact among transported tendons and a bone tunnel is achieved; recovery of tendons and bones is further promoted so that the fixing device is suitable for operative habits of a doctor; and the fixing device is easily and conveniently used without additional learning.

The invention relates to a wearable physiological detector. The wearable physiological detector comprises a first electrode and a second electrode, wherein the first electrode is arranged on the head through a head-mounted structure, and is in contact with the skin of the head, and the second electrode is in contact with the skin of one upper limb, the neck or one shoulder to form a electrocardiosignal acquisition loop and acquire electrocardiosignals. Moreover, the wearable physiological detector further comprises a plurality of electroencephalographic electrodes in order to acquire electroencephalographic signals when the head-mounted structure is worn.