77results about How to "No leakage problems" patented technology

The embodiments of the invention provide a method for transmitting road information, a traffic control unit (TCU) and an on-board unit (OBU). The method includes the following steps: a TCU acquires aplanned path of a vehicle; the TCU extends the planned path to generate an available driving area of the vehicle on the planned path, wherein the available driving area includes a safety driving areaof the vehicle; and the TCU sends road information to an OBU, wherein the road information includes instruction information of the available driving area. According to the embodiments of the invention, the TCU sends the available driving area to replace a high-precision map. As the data volume of the available driving area is small, the data can be transmitted at high speed and with high security,and the problem of high-precision map leakage is avoided.

The invention provides a micro-fluidic chip for chemiluminescence detection, and a using method and a reagent cleaning method thereof, and belongs to the field of biochemical testing devices. The micro-fluidic chip comprises a substrate and a cover plate which form a sealing environment and are used for a micro-fluid to flow, the substrate is covered with the cover plate, and the substrate comprises: a sample adding hole and a diluted solution adding hole at the first layer; a sample quantification groove, a sample overflow groove, a diluted solution quantification groove and a dilution overflow groove at the second layer; an incubation groove at the third layer, solution storage grooves at the fourth layer, a detection groove at the fifth layer and a waste liquid groove at the sixth layer, wherein the sample quantification groove is communicated with the incubation groove, the diluted solution quantification groove is communicated with the incubation groove, the incubation groove is communicated with the detection groove, and the detection groove is communicated with the waste liquid groove through a hydrophobic flow channel. The separation, mixing and detection of a liquid is realized without repeatedly adding a sample, and the whole process is automatically completed, so the efficiency is increased, and the cost is realized; and the cleaning of a reaction reagent is realized, so the working efficiency is increased.

The invention discloses a gangue based medium and high temperature phase change heat storage material and a preparation method in the technical field of energy sources and novel heat storage and energy saving materials. The phase change heat storage material comprises 10-60wt% of phase change material and the balance of gangue; a ceramic framework material and / or a modified material can also be added to increase a use temperature and improve rigidity and moldability of the phase change material; the gangue based medium and high temperature phase change heat storage material prepared after grinding, mixing, pressure molding and sintering is high in package compactness, wide in use temperature scope, low in corrosion, safe and reliable, low in cost and long in service life; a preparation technology is simple, low in cost and easy in industrial popularization; at the same time, the environmental pollution problem of gangue is alleviated; and the reclamation utilization of the gangue is achieved.

The invention discloses a plate split mounting type road surface manufactured by utilizing waste plastics. The left sides and the right sides of road surface plates are provided with bulges and grooves in various shapes so that every two adjacent road surface plates can be inserted together in a bearing mode, drilling holes allowing steel strands to penetrate through are formed in the upper sidesand the lower sides of the road surface plates, the compactness and the stability of the road surface can be ensured when the steel strands are connected together. A plurality of grooves are formed inthe sides, close to the roadbed, of the road surface plates, and can be used by cooperating with the plate split mounting type roadbed, and a more stable effect can be achieved by inserting the bulges on a roadbed block into the grooves in the road surface plates; and the road surface plates can further be manufactured to be hollow so that various cables and pipelines can be placed conveniently.In addition, in order to conveniently place the pipelines, the road surface plates with the open lower portions further can be manufactured, and grooves can be additionally formed in the position, incontact with the roadbed, of the bottom face so as to improve the stability.

The invention discloses a heat-seal interface easily-torn PE thin film, which is formed by coextruding a corona layer, a middle layer and an inner layer, wherein the corona layer contains low-densitypolyethylene resin and high-density polyvinyl resin; the middle layer contains low-density polyethylene resin and high-density polyvinyl resin; the inner layer contains coated low-density polyethylene, high-density polyvinyl resin, polybutylene resin and polyester modified organosilicone. The coated low-density polyethylene is added into the inner layer, so that the thin film has good heat seal property, and the polyester modified organosilicone added into the inner layer has heat seal property, so that the heat-seal intensity value of the thin film is controlled within certain range and is easily torn off a heat-seal surface without complete damage or filament raising, and therefore, the PE thin film is suitable for being used as an easily-torn seal cup lid film, easily-torn mask productpackages and easily-torn medical dressing packages.

The invention discloses a preparation method of a low-cost quasi-solid electrolyte for a dye sensitized solar cell. The preparation method includes the following steps that: (1) a deep eutectic solvent is prepared: a hydrogen bond donor and a hydrogen bond acceptor are mixed uniformly and are dried, so that the deep eutectic solvent can be obtained, wherein the hydrogen bond donor is urea or glycerol, and the hydrogen bond acceptor is choline chloride or choline bromide; and (2) the quasi solid state electrolyte is prepared: agarose is added into N-methyl pyrrolidone at first, and an obtained mixture is stirred evenly, and then, I2 and LiI are added into the mixture, and a newly-obtained mixture is stirred evenly, and finally, the deep eutectic solvent is added into the mixture, and the deep eutectic solvent and the mixture are mixed evenly, so that the quasi-solid electrolyte can be obtained. The quasi-solid electrolyte obtained through adopting the preparation method has high ionic conductivity and stability. The deep eutectic solvent adopted by the preparation method of the invention is low in cost and easy to synthetise, and has high ionic conductivity. When the quasi-solid electrolyte is applied to an optoelectronic device, the optoelectronic device can maintain excellent photoelectric performance and high photoelectric conversion efficiency.

The invention provides a chamber device, which includes: a chamber body, which defines a chamber therein; a first thermoelectric cooling member, a cold end of which is arranged near at least a portion of an outer surface of the chamber body to cool the chamber body; and a hot end of the first thermoelectric cooling member is arranged far from at least a portion of the outer surface of the chamber body. The invention also provides a substrate-processing device having the chamber device. The thermoelectric cooling member is adopted by the invention to cool the chamber body. The chamber device is characterized by simple processing and design, good cooling effects, and improvement in safety and maintainability.

A construction method for water-cutoff-free maintenance of aqueduct connecting seams includes the steps that an enclosure device is installed on an aqueduct for sealing, the enclosure device covers over half of the width of the aqueduct on a projection surface, a construction area in the enclosure device is cleaned, the connecting seams are cut, chiseled and washed, then water stop belt replacement, concrete backfilling and connecting seam filling and sealing are carried out, and the operation is repeated on the other side of the aqueduct. The enclosure device only cuts off the construction area of the aqueduct connecting seams and does not influence the smoothness of water flow in the aqueduct; the connecting seams are dug, internal water stop belts are replaced, a PTN sealant is reliablein connection and sealing, and the service life is greatly prolonged. The aqueduct connecting seams are constructed section by section, the continuity of the water stop belts in the connection seamsis guaranteed, the leakage problem of connecting points is avoided, and the service life can be guaranteed just by ensuring the corrosion resistance of the water stop belts.

The invention belongs to the technical field of sensors and relates to a one-way conduction fluid sensor. The one-way conduction fluid sensor is characterized in that a valve seat is arranged on the inner wall of one end of a housing with a fluid channel; a valve element inlaid with a magnet block and being capable of controlling positive conduction and reverse blocking is arranged on the valve seat; a limiting rod is arranged at the tail part of the valve element; the tail end of the limiting rod points to the other end of the housing; a limiting spring seat with a fluid through hole is arranged on the inner wall of the other end of the housing; one side of a reset spring is connected to the limiting rod in a sleeving manner; the other side of the reset spring is propped against and connected to the limiting spring seat; a magnetic switch which is turned on or off by virtue of magnetic force of the magnet block when the valve element is opened or closed is arranged on the outer wall of the housing. The one-way conduction fluid sensor has the advantages as follows: the structure is simple, the manufacture cost is low, the fluid resistance is small, the leakproofness is good, the service life is long, the using performance is stable and the sensor is applicable to high voltage or ultrahigh pressure and capable of controlling fluid flowing unidirectionally.

The invention discloses a control mechanism for a seal water valve and the seal water valve. The control mechanism for the seal water valve comprises a stator blade mechanism fixedly sealed and covered on a water inlet or a water outlet of a valve inner cavity of the seal water valve and used for forming a fixed circulation channel, a rotor plate mechanism used for forming a movable circulation channel and fit to and rotatably matched with the stator blade mechanism so as to control a water flow amount, and a fastening piece used for sealing an assembly port of a sealed and covered valve bodyand compressing and fitting the rotor plate mechanism onto the stator blade mechanism along an axial direction so as to form axial fastening and positioning. Compression-fit seal between the fasteningpiece and the rotor plate mechanism and compression-fit seal between the rotor plate mechanism and the stator blade mechanism form a double-layer dynamic seal structure. The whole structure is simple, seal links are less, all dynamic seal contacting a water flow adopts binding faces with mirror surface brightness levels for compression-fit seal, and the leakage problem brought by the wear duringa rotation process can be effectively avoided, so that the service life of the whole seal water valve is prolonged.

The invention discloses a dry-wet forming method for an artificial stone. The dry-wet forming method comprises the following steps: I, preparing a forming cavity, wherein the upper end of the forming cavity is open, and a rubber layer covers the inner bottom surface of the forming cavity; II, pouring cement paste into the forming cavity; II, pouring dry hard concrete into the forming cavity in the step II; and IV, pressing materials: performing downward extrusion forming on semi-finished products in the forming cavity in the step III by adopting a pressure plate; and V, de-molding and maintaining, thereby obtaining the artificial stone made of the cement paste and the dry hard concrete. Compared with the prior art, the artificial stone, which has a dry hard concrete surface on one side and a cement paste surface on the other side, can be formed, so that the problems that manufacturing efficiency is low due to long reuse time of a forming mould totally manufactured by cement paste in a wet-process forming method and the decorative effect is poor due to the fact that artificial stone, which is totally manufactured by the dry hard concrete, is rough in surface in a dry-process forming method are solved. The invention further discloses a dry-wet forming device for the artificial stone.

The invention relates to a secure outsourcing de-noising method of a remote sensing image. The method includes the following steps of: remote sensing image splitting processing; remote sensing image random arrangement; remote sensing image Johnson-Lindenstrauss conversion; remote sensing image Paillier encryption; remote sensing image non-local de-noising; remote sensing image Paillier decryption; remote sensing image restoration arrangement; and remote sensing image merging processing. According to the method of the invention, a remote sensing image which has been locally split and encrypted is arranged in cloud so as to be subjected to image de-noising; information leakage can be avoided; it only needs to perform decryption and merging locally so that the de-noised image of the remote sensing image can be obtained; and the PSNR (Peak Signal to Noise Ratio) of the original image can be increased.

The invention relates to a garnet type solid-state composite electrolyte, a preparation method and application, and belongs to the technical field of lithium battery electrolyte materials. The composite electrolyte is composed of a lithium salt, an ionic liquid and an LLZO-system garnet-type oxide electrolyte. The garnet-type oxide electrolyte is used as a solid skeleton, and the ionic liquid electrolyte formed by mixing the lithium salt and the ionic liquid is uniformly attached to the surface of the solid skeleton to form a cross-linked network structure. The preparation method comprises thefollowing steps: completely dissolving a lithium salt into ionic liquid under a near-anhydrous and oxygen-free condition to obtain an ionic liquid electrolyte; and adding the garnet type oxide electrolyte, and carrying out ball milling and uniform mixing to obtain the composite electrolyte. The composite electrolyte has good thermal stability, good interfacial compatibility with an electrode, relatively low interfacial impedance and excellent electrochemical performance. The preparation method is simple and easy to operate, raw materials are easy to obtain, safe and pollution-free, conventional equipment is used, and the method is suitable for large-scale production.

The invention relates to a concrete impermeable wall. According to the technical scheme, the concrete impermeable wall comprises a concrete wall body, water swelling rubber plates and a top protectionrubber sleeve; a water insulation layer composed of the multiple water swelling rubber plates is arranged outside the concrete wall body, the top protection rubber sleeve is arranged on the top of the concrete wall body, the lower portion of the section of the concrete wall body is of a trapezoid structure, the upper portion of the section of the concrete wall body is of a cuboid structure, and the water swelling rubber plates are of structures gradually thinned from the bottom to the top. The concrete impermeable wall has the beneficial effects that reinforced concrete is used as a foundation, the water swelling rubber plates are used for seepage and moisture prevention, the top protection rubber sleeve is used for top protection of the concrete wall body, and the aim of protecting the reinforced concrete is achieved; a reinforcing steel bar bundling frame structure of the reinforced concrete are in rigid connection with water swelling rubber plate embedded connecting parts, protection and foundation connection are integrated, construction is simplified, and the service life of a concrete dam is greatly prolonged.

A uranium conversion material automatic feeding assembly with a temporary storage function comprises a plant; the uranium conversion material automatic feeding assembly further comprises a translation conveying device B, a translation conveying device C, a rotary lifting conveying device B, an auxiliary rod screwing device and a dust raising prevention capping device which are fixedly arranged on the upper layer of the plant; the uranium conversion material automatic feeding assembly further comprises a sealing tank kit which moves among the translation conveying device B, the rotary lifting conveying device B and the translation conveying device C back and forth; and the sealing tank kit comprises a positioning chassis, a sealing tank and a butt joint seat. The uranium conversion material automatic feeding assembly is applied to an automatic UO2 feeding system, unattended UO2 automatic continuous feeding operation can be achieved on the third building of the plant, after feeding is completed, automatic returning of all empty tank containers on the original path can be achieved, and necessary structural support is provided for achieving automatic UO2 feeding operation.

The invention discloses a 3D printed curved surface conformal antenna liquid cooling cold plate structure, and aims to provide a liquid cooling cold plate with high curved surface conformal heat dissipation efficiency and high integral forming quality. According to the technical scheme, the center line of an inner flow channel is located on a halving curved surface in the thickness direction of acold plate base body; a liquid inlet and a liquid outlet communicate with each other along a liquid inlet flow channel and a liquid outlet flow channel correspondingly; the inner flow channel with a conical structure is formed at the termination end of the liquid inlet flow channel and the termination end of the liquid outlet flow channel; the cross section structure of a cold plate flow channel is designed into an oval main flow channel and a plurality of round micro flow channels by combining the overall structure characteristics of the cold plate and utilizing three-dimensional software; and selective laser melting 3D printing powder bed equipment is adopted, laser power is set to be 200-400 W, a laser scanning speed is set to be 1-5 m / s, high-energy laser beams are used for melting thin-layer powder laid on a powder bed in advance, and a 3D printing micro-channel cold plate is formed through layer-by-layer powder laying and layer-by-layer melting stacking, so that integrated forming from a three-dimensional die shape to a real object is achieved.

The invention provides a constant volume experiment device capable of simulating injection and atomization processes in isotropic and anisotropic turbulent flow fields. The experiment device comprisesa cylindrical cavity, an axial flow fan blade device, a porous orifice plate, a rotation motor, a frequency converter, a magnetic coupling, a fuel injector and an optical observation window, whereinthe diameter-length ratio of the cylindrical cavity is not less than 35%; the diameter of the axial flow fan blade device is between 80% and 100% of the inner diameter of the cylindrical cavity; the porous orifice plate converts a rotational flow formed by the axial flow fan blade device into a jet flow beam; the rotation motor and the frequency converter are used for controlling the rotation of the axial flow fan blade device; the magnetic coupling realizes the transmission between the axial flow fan blade device and the rotation motor through a non-contact magnetic force so as to avoid a leakage problem during an experiment; the fuel injector is installed in the center position of a cylindrical cavity bus; and the diameter of the optical observation window is not less than 65% of the inner diameter of the cylindrical cavity. When the experiment device is used to carry out turbulent jet and an atomization experiment, an experiment under an isotropic turbulence can be achieved, the experiment under a single mainstream turbulence can be realized, and the experiments under various complex anisotropic turbulences can also be realized.

A water-saving device is specially designed for water supply of desert tree planting, is an agriculture and forestry instrument used for water supply through irrigation technology initially, and not only can improve the water utilization efficiency by hundredfold or more compared with drop irrigation, but also can supply water continuously for a plurality of years until the saplings survive in deserts.

The invention provides a shell coating with an intelligent heat control function and a preparation method thereof. The shell coating comprises a heat control coating and a supporting coating, wherein the outer layer of the heat control coating is coated with the supporting coating; the heat control coating is prepared from 20% to 80% of calcium chloride hexahydrate or paraffin with the phase inversion temperature of 20 to 40 DEG C; and the supporting coating is polyvinyl chloride, polystyrene, polymethyl methacrylate or polycarbonate. According to the shell coating with the intelligent heat control function and the preparation method thereof provided by the invention, intelligent heat control for a battery cell is realized, and a heat regulating function realized by an external shell cannot cause influence on the structure of a battery inner core, so that the influence on battery performance is avoided.

The invention discloses an environment-friendly composite pipe. The environment-friendly composite pipe comprises a water inlet main pipe and drainage pipes uniformly arranged on four outer surfaces of the water inlet main pipe, wherein each drainage pipe is internally provided with a water inlet channel; a movable member is mounted in each water inlet channel; and a water inlet chamber, the top of which is opened, is formed in each movable member. The composite pipe is capable of automatically removing the filter nets and pushing the filters out to the outside world every time, so that the filter nets do not need to be cleaned frequently, the collection of the filters can be more direct, and the blockage problems of pipe discharge are decreased; and multiple drainage channels are provided, so that after one of the drainage pipes is damaged, the other drainage pipes can be utilized for continuous drainage, and no leakage is caused.

The invention belongs to the technical field of medical biology. A biological specimen preserving fluid comprises 10-500 g / L of silk fibroin and 10-500 mmol / L of trehalose, a collecting structure is provided with a silk membrane, the silk fibroin is composed of a large hydrophobic structural domain and a small hydrophilic structural domain to form a nano-scale crystallization structural domain, the crystal transition temperature is high, and protein active molecules fixed on the crystallization structural domain have good temperature stability. Trehalose is a polyhydroxy hydrophilic compound,molecules in the biological specimen and silk fibroin form hydrogen bonds, inherent stability and mechanical strength are achieved for temperature and humidity changes, it is avoided that effective components in the biological specimen are affected by temperature or degradation effects of enzymes, and the problem that a biological specimen needs to be stored in a cold chain in the transportation process is solved. The invention provides a system containing the preserving fluid and integrating specimen collection and preservation functions, and the system can be used for collecting and preserving blood, oral and nasal mucous membrane fluid, sputum, urine, cerebrospinal fluid, lung lavage fluid and the like.

The invention relates to the field of quick joints and discloses a high-pressure quick joint for high-pressure gas storage and transportation equipment. The high-pressure quick joint comprises a jointbody, a shouldered joint pipe and a sleeve pipe. The joint body is a hollow column with one end open. The upper end of the joint body is provided with an axial inner hole. The bottom of the joint body is provided with a first connecting pipe hole communicating with the axial inner hole. An annular sealing ring is arranged on the bottom surface of the axial inner hole. An annular outer shoulder isarranged on the periphery of the lower end of the shouldered joint pipe. The shouldered joint pipe is plugged into the joint body along the axial inner hole to be in sealing connection with the bottom surface of the axial inner hole. The shouldered joint pipe is sleeved with the sleeve pipe. The lower end face of the sleeve pipe is clamped and pressed on the upper surface of the annular outer shoulder. A plurality of spaced internal threads are machined on the inner wall of the axial inner hole in the circumferential direction. The periphery of the sleeve pipe is provided with a plurality ofexternal threads matched with the internal threads. A limiting check ring is arranged on the upper middle portion of the shouldered joint pipe. Through the high-pressure quick joint, quick connectioncan be realized quickly. All the pressure bearing components adopt the conventional structure form. The high-pressure quick joint is simple in design and high in reliability.

The invention relates to the field of injection molds, in particular to an embedding pin for an injection mold. The embedding pin for the injection mold comprises an embedding pin body and a cooling pipe, wherein a first cavity extending in the axial direction of the embedding pin body is arranged inside the embedding pin body; the top end of the cooling pipe extends into the first cavity; a gap is formed between the cooling pipe and the first cavity; the top end surface of the cooling pipe is in contact with the inner top surface of the first cavity; a groove body communicated with the insideof the cooling pipe and the first cavity is arranged on the top end of the cooling pipe; the cooling pipe is communicated with a water inlet pipe; the first cavity is communicated with a water outletpipeline. The problems that the structure of the embedding pin cannot be well combined with the cooling water path, and the cooling range is small in the prior art can be solved.

The invention relates to a commercial air conditioner. The air conditioner consists of one or more outdoor units and indoor units connected with each other through refrigerant pipes, wherein a joint of a header pipe and each branch pipe on each refrigerant pipe is provided with a bifurcated pipe; the bifurcated pipe is integrally formed by a straight pipe and an inclined pipe, and one end of the inclined pipe is connected with the outer circumferential surface of the straight pipe; and one outer port of the straight pipe is connected with the header pipe, while the other outer port of the straight pipe and the outer port of the inclined pipe are connected with one branch pipe respectively. The commercial air conditioner has the advantages that the bifurcated pipe is integrally formed by the straight pipe and the inclined pipe, and the inclined pipe is made through extrusion forming on the outer circumferential surface of the straight pipe by means of a precise instrument; the machining mode ensures that the pipe wall thickness at the joint of the straight pipe and the inclined pipe is identical to those of other parts; the part does not blow out due to different pipe wall thicknesses during longtime operation, thereby improving product quality; in addition, because no lack of weld and unsoldering is caused during welding, no refrigerant leakage occurs.

With the simple cylindrical body shape of gate valves that are currently on the market, the welded portions have three-dimensionally curved shapes and welding is difficult for general purpose weldingmachines. Moreover, in manufacture by casting, there are many defects in the material such as cavities and sand trapping, and man-hours and cost are necessary to repair same. In the gate valve according to the present invention, a body has openings to accommodate two connecting pipes and a gate. The two connecting pipes respectively pass through the two openings and are disposed so as to face thegate from two sides. The two connecting pipes are each joined to the body by welding at an opening and the shape of said welded sections is a circular ring. Moreover, when producing the body in the present invention, the body portion is manufactured by forging instead of casting and after machining, is unified by welding.

The invention discloses a mold and bottom pressure grouting system for a gel casting ceramic slice. The mold comprises partition plates, a gasket is arranged between every two adjacent partition plates, each gasket is in a U shape, a grouting mold cavity is formed among every two adjacent partition plates and the corresponding U-shaped gasket, the partition plates and the bottoms of the gaskets and the bottoms of the grouting mold cavities are sealed, a grouting channel communicating with the corresponding grouting mold cavity is arranged in one of the adjacent partition plates, and each grouting channel communicates with a grouting port arranged on the other one of the adjacent partition plates. According to the mold for the gel casting ceramic slice, grouting is directly conducted from the interiors of the partition plates and the interiors or the upper portions of the U-shaped gaskets, the problem that the bottom of the mold is leaked can not occur, the sealing property of the wholemold is good, communication between the interior and the exterior of the mold is improved through the U-shaped gaskets, the grouting rate and the grouting uniformity can be improved, and generation of bubbles is avoided.

The invention discloses an interlocking mechanism of an electrical safety grounding switch, and the interlocking mechanism comprises a shell; a setting cavity is arranged in the shell, a motor is fixedly arranged on the inner wall of the rear side of the setting cavity, the upper end surface of the motor is in driving connection with a driving shaft, the driving shaft is rotatably connected to the upper end surface of the setting cavity, and the driving shaft is fixedly connected with a first belt pulley. According to the interlocking mechanism, interlocking control over the grounding switch is achieved through the unchangeable physical properties of an object such as buoyancy and the coefficient of thermal expansion, common gear or connecting rod transmission and the like are not used, the situation that the interlocking mechanism cannot be used due to common abrasion is avoided, and the service life of the interlocking mechanism is greatly prolonged; moreover, the used hydraulic part is in a low-pressure state, so that the leakage problem is avoided, and the interlocking reaction speed is high due to the lubrication effect of the hydraulic part.

A plug (100), comprising: a main rod (1), including a first end (11) and a second end (12) oppositely arranged; a pressing piece (2), fixed on the first end; a sealing ring (3 ), which is slidably set on the outer peripheral side of the main rod and is located between the pressure piece and the second end; the sleeve (4), which is slidably sleeved on the outer peripheral side of the main rod and is located between the sealing ring and the second end, and the outer circumference of the sleeve The side has a positioning end face (41) facing the pressing piece, when the pressing piece and the sealing ring extend into the channel to be sealed, the positioning end face abuts against the end face of the channel to be sealed; and a push-pull assembly (5), connected to the second end and the sleeve Between, it is used to drive the second end to move away from the casing, so that the pressing piece moves toward the casing and compresses the sealing ring, so that the radial dimension of the sealing ring increases and closely contacts with the channel to be sealed to form a sealing structure . The plug has good sealing effect.