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76results about How to "Improve conduction efficiency" patented technology
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Electrical connection assembly, photovoltaic shutter and power generation system
This application relates to the field of photovoltaic louver technology, and discloses an electrical connection component, a photovoltaic louver, and a power generation system. The electrical connection component includes a housing and a conductive component. The housing has a mounting cavity and a first through hole, which extends along a first direction and communicates with the mounting cavity. The conductive component includes a wire-passing portion and a clamping portion connected together. The wire-passing portion is installed in the mounting cavity and has a wire-passing hole that communicates with the first through hole within the mounting cavity. The clamping portion connects to the wire-passing portion and extends beyond the mounting cavity, forming a clamping area. The clamping area and the wire-passing hole are arranged side by side in a second direction. The clamping area of the clamping portion is used to clamp the conductive electrode of the photovoltaic blade. The first through hole and the wire-passing hole are used for the busbar to pass through. Through the above method, the embodiments of this application can improve the connection reliability and conductivity efficiency between the photovoltaic blade and the busbar, as well as enhance the compactness and aesthetics of the overall structure of the photovoltaic louver.
Owner:SHENZHEN POWEROAK NEWENER CO LTD
Light emitting diode epitaxial structure and display panel
ActiveCN224653904UReduce directional transportImplement extensions
The utility model relates to a kind of LED epitaxial structures, comprising: substrate;N type layer;Active layer is located on N type;P type layer, located on active layer;Wherein, the P type layer includes P type window layer, P type window layer includes several first laminated structure, each first laminated structure includes the GaInP layer, first GaP layer and second GaP layer of sequentially laminated, the P type doping concentration of second GaP layer in each first laminated structure is greater than the P type doping concentration of first GaP layer.The GaInP layer of the utility model has higher band gap, plays the role of optical window layer, can reduce light absorption loss;GaP has lower band gap, first GaP layer and second GaP layer play the role of buffer layer / transition layer, so the combination of GaInP layer, first GaP layer and second GaP layer realizes the balance of band matching and carrier transport efficiency, conducive to the efficient extension of current.
Owner:JIANGXI CHANGELIGHT SEMICONDUCTOR SCI-TECH CO LTD
Table type constant-temperature reaction instrument
ActiveCN224280226UConvenience needsImprove conduction efficiencyBioreactor/fermenter combinationsBiological substance pretreatmentsSemiconductorHeat spreader
The utility model discloses a table type constant temperature reaction instrument, including reaction instrument shell, constant temperature cold bath assembly, oscillation assembly and control assembly, the reaction instrument shell is composed of main shell and shell cover, the top of the shell cavity of main shell is provided with cavity hole, constant temperature cold bath assembly is provided in the cavity hole, oscillation assembly is provided in the cavity hole. The oscillation assembly is installed at the bottom of the constant-temperature cold bath assembly, the control assembly is installed in the shell cavity, the constant-temperature cold bath assembly comprises a heat insulation shell, a constant-temperature hole is formed in the heat insulation shell, a cold bath seat is installed in the constant-temperature hole in an embedded mode, and the control assembly is installed in the shell cavity. The bottom of the cold bath base is connected with a semiconductor chilling plate arranged in the heat insulation shell, and a water cooling radiator is installed at the hot end of the semiconductor chilling plate. The incubation box has the advantages that a plurality of cold bath tank bodies can be provided, the temperature in the tank bodies can rapidly reach the specified temperature, the conduction efficiency is high, the temperature distribution is uniform, and the environment needed by the incubation box is optimized in cooperation with oscillation.
Owner:SHANDONG KESHUO BIOTECHNOLOGY CO LTD
Automatic induction heating hand warmer
The utility model discloses a kind of hand warmer of automatic response heating, including two groups of face shell and two groups of bottom shell, the face shell is installed on bottom shell, heating sheet is installed on the face shell, heat-conducting hardware shell is installed on the heating sheet, the heat-conducting hardware shell is connected with face shell;Magnet positioning cavity is set in the top and bottom of bottom shell inner wall, magnet is installed in the magnet positioning cavity inside;Battery is installed in the middle end of bottom shell inner cavity, PCBA board is installed in the head of bottom shell inner cavity, the PCBA board and battery and heating sheet are electrically connected.The utility model has the advantages of being easy to use, solves the portable hand warmer of the current magnetic attraction function in the process of using, not convenient for the hand of user to induct, to realize the function of automatic heating, reduces the problem of intelligence in the process of using hand warmer.
Owner:DONGGUAN HONGYUTAI ELECTRONICS CO LTD
Solid-state battery and preparation method thereof
PendingCN121885718AHigh capacity retentionReduce the impedance growth rateFinal product manufactureNon-aqueous electrolyte accumulator electrodesPolymer electrolytesElectrical battery
In order to overcome the problems of insufficient ion conduction efficiency and interface side reaction between the existing sulfide solid electrolyte and a positive electrode, the invention provides a solid-state battery and a preparation method thereof, and the solid-state battery comprises a positive electrode plate and a negative electrode assembly which are stacked in sequence, the positive plate comprises a positive current collector and a positive material layer arranged on the surface of the positive current collector, the negative assembly comprises a negative plate, a sulfide electrolyte layer and a polymer electrolyte layer, the sulfide electrolyte layer is located on the surface of the negative plate, and the polymer electrolyte layer is located on the surface of the sulfide electrolyte layer. A corrugated groove is formed in the surface, deviating from the negative plate, of the sulfide electrolyte layer, the polymer electrolyte layer is located in the corrugated groove, and the polymer electrolyte layer abuts against the positive electrode material layer and partially permeates into the positive electrode material layer.
Owner:DONG GUAN LONGTTECH COMPANY LTD
A graphene film based photoconductive semiconductor switch and method of use
This invention proposes a graphene film-based photoconductive semiconductor switch and its application method. It includes a substrate, a graphene film layer, a semiconductor layer, a first electrode, a second electrode, and a light incident window. The substrate is an insulating, high-temperature resistant substrate with the semiconductor layer fixedly attached to its top surface. The graphene film layer covers the top surface of the semiconductor layer, forming an ohmic contact between the graphene film layer and the semiconductor layer. This invention utilizes the excellent conductivity of graphene to form an ohmic contact between the graphene film layer and the semiconductor layer, effectively reducing the switch's on-resistance and improving its conduction efficiency. Simultaneously, the ultra-thin structure of the graphene film layer enhances laser absorption efficiency, improves the switch's laser trigger sensitivity, and shortens the response time. The substrate is made of insulating, high-temperature resistant alumina ceramic material, which improves the switch's high-temperature stability and insulation performance, extending its service life. The overall structure is simple, cost-controllable, and highly practical, showing significant improvements in response speed, conduction performance, and stability.
Owner:YANGTZE UNIVERSITY
A high-adhesion hydrogel for electroencephalogram test and a preparation method and application thereof
The application discloses a kind of high adhesion hydrogel for electroencephalogram test and its preparation method and application, belong to biomedical engineering technical field.The hydrogel includes the following components crosslinked product: anionic monomer, cationic monomer, monomer and mutual penetration agent;The anionic monomer is any one of malic acid, gluconic acid, citric acid and lactic acid, cationic monomer is betaine or acetyl L-carnitine, monomer is N, N-dimethyl acrylamide, acrylic acid, sodium acrylate, 4-acryloyl morpholine or sodium acrylamidomethyl propane sulfonate, mutual penetration agent is sodium chloride aqueous solution or sodium chloride water-retaining agent solution.Preparation, cationic monomer is mixed and dissolved, vacuum drying, adding photo initiator mixing, then mutual penetration agent is added, and it is obtained by ultraviolet light crosslinking.The hydrogel of the application has high adhesion (adhesion strength reaches 203.22 kPa), high ion mobility and excellent biocompatibility, and the signal gain in EEG and ECG test reaches 2-3 times of traditional conductive paste, which can be widely used in medical conductive paste field.
Owner:XI AN JIAOTONG UNIV
Lead-free environment-friendly copper alloy bar for valve
ActiveCN224261429Ureduce weightstrong enoughElongated constructional elementsElectrical resistance and conductanceMetallurgy
The utility model discloses a lead-free environment-friendly copper alloy bar for a valve, which comprises a lead-free copper alloy bar body, a hollow hole is arranged at the center of the lead-free copper alloy bar body, a plurality of inclined planes are arranged on the surface of the lead-free copper alloy bar body at equal intervals, an anti-corrosion paint layer is arranged on the surface of the lead-free copper alloy bar body, and the anti-corrosion paint layer is arranged on the surface of the lead-free copper alloy bar body. The lead-free copper alloy bar has the advantages that through the arrangement of the hollow holes, the weight of the lead-free copper alloy bar body is reduced, meanwhile, enough strength is kept, meanwhile, resistance and thermal resistance are reduced, and the electric conduction efficiency and the heat conduction efficiency are improved; the copper alloy material is low in cost, low in cost and free of lead and chromium, meets international environmental protection standards, reduces potential hazards to the environment and human bodies, keeps high strength, high toughness and good machinability of a traditional copper alloy, and is suitable for manufacturing various valve parts.
Owner:JIANGSU MEILIN COPPER
Mobile power supply with heat dissipation function
ActiveCN224218133UReduce the temperatureImprove stabilityBatteries circuit arrangementsCasings/cabinets/drawers detailsThermodynamicsCirculator pump
The utility model discloses a mobile power supply with a heat dissipation function, and relates to the technical field of mobile power supplies. The mobile power supply with the heat dissipation function comprises a shell, a circuit board, a liquid cooling heat dissipation assembly and a battery cell, the shell is provided with a containing cavity, an air inlet and an air outlet. The air inlet and the air outlet are communicated with the accommodating cavity; the circuit board is arranged in the accommodating cavity; the liquid cooling heat dissipation assembly is arranged in the containing cavity. The cooling fan is located on one side of the air outlet. The cooling plate abuts against the circuit board. The battery cell is arranged in the containing cavity and electrically connected with the circuit board, the circulating pump and the cooling fan. Air can be blown to the air outlet through the cooling fan so that air in the containing cavity can be exhausted from the air outlet, high-temperature air in the containing cavity can flow out of the containing cavity so as to take away heat, external low-temperature air can enter the containing cavity from the air inlet, air circulation flowing is achieved, and the heat dissipation efficiency is improved. Therefore, the heat dissipation effect on the circuit board is achieved, and the charging and discharging efficiency and the use safety are ensured.
Owner:DONGGUAN LOTE ELECTRONICS
Lead structure of secondary battery, secondary battery
This invention discloses a lead-out terminal structure and a secondary battery, belonging to the field of secondary battery technology. It aims to solve the problems of complex manufacturing processes, poor welding reliability, insufficient sealing, uneven stress, and high internal resistance in existing secondary batteries. The lead-out terminal structure includes a battery casing and a lead-out terminal assembly disposed on its lead-out holes. The lead-out terminal assembly consists of an upper electrode post, a lower electrode post, an upper sealing gasket, a lower sealing gasket, and a positive current collector. The upper electrode post has a concave center forming a recessed portion, with a welding hole at the bottom of the recessed portion. The lower electrode post is a circular plate, fixedly connected to the bottom of the recessed portion. The upper and lower sealing gaskets are respectively disposed on the inner and outer sides of the battery casing, and are pressed together by matching sealing bevels to form a continuous sealing surface. The upper surface of the positive current collector has a protrusion and is welded to the lower electrode post. This invention simplifies the manufacturing process, reduces costs, improves welding stability, sealing, and stress uniformity. Even if defects such as weld spatter occur during the welding process, it does not affect the battery's sealing performance, reduces the battery's internal resistance, and is suitable for various types of secondary batteries.
Owner:SHENZHEN DAOHE NEW ENERGY TRADING SERVICE CO LTD
Electro-wetting display device structure and method of manufacturing the same
ActiveCN119439478BReduce starting threshold voltageshort response timeNon-linear opticsOptical elementsDisplay deviceElectrical polarity
The application discloses an electrowetting display device structure and a method for preparing the same. The electrowetting display device structure comprises a first substrate, a second substrate, a sealing frame and a pixel wall. The second substrate is arranged in parallel with the first substrate, and has a first conductive layer on one side close to the first substrate. A hydrophobic insulating layer is arranged on the first conductive layer. The sealing frame is arranged between the first substrate and the second substrate, and a sealed cavity is formed between the first substrate, the sealing frame and the second substrate. The sealed cavity is filled with a polar liquid. The pixel wall is arranged on the hydrophobic insulating layer in the sealed cavity, and defines a pixel grid. The pixel grid is filled with a non-polar liquid which is immiscible with the polar liquid. The pixel wall comprises a second conductive layer, and the second conductive layer and the first conductive layer form a positive electrode and a negative electrode, respectively. The electrowetting display device structure can improve the response time and the conductive efficiency of the electrowetting display device.
Owner:SOUTH CHINA NORMAL UNIV +1
Heat dissipation assembly of high-frequency filter
ActiveCN224098036Ucontrol working temperatureimprove performanceImpedence networksCooling/ventilation/heating modificationsFrequency filteringHeat sink
The utility model provides a high-frequency filter heat dissipation assembly. The high-frequency filter heat dissipation assembly comprises a filter body, wherein a heat dissipation block is mounted on the front side of the filter body; a heat dissipation substrate is arranged on one side, close to the filter body, of the heat dissipation block, and the heat dissipation substrates on the two sides are tightly attached to the two sides of the filter body; a heat dissipation assembly is arranged between the heat dissipation substrate and the heat dissipation block; a mounting groove is formed in the side, away from the filter body, of the heat dissipation block, a heat dissipation fan is mounted on the inner wall of the mounting groove, and a dismounting and mounting assembly is arranged between the heat dissipation fan and the heat dissipation block. The heat dissipation substrate is tightly attached to the filter body, so that the contact thermal resistance is effectively reduced, and the heat conduction efficiency is improved; the wave-shaped radiating fins are matched with the ventilation holes, so that the radiating area and the air circulation are increased; the air guiding system composed of the air guiding groove, the flow dividing block, the flow guiding block and the air guiding plate enables airflow generated by the cooling fan to accurately and efficiently act on the cooling fins, and compared with a traditional single cooling mode, the cooling efficiency is improved.
Owner:SUZHOU ZHUOYUEFENG TECHNOLOGY CO LTD
Quick connecting device for bottom electrode of direct-current electric arc furnace
ActiveCN224097088UImprove installation efficiencyImprove conductivityCoupling device detailsProcess efficiency improvementDc arc furnaceBusbar
The utility model relates to a quick connecting device for a bottom electrode of a direct-current electric arc furnace and belongs to the technical field of metallurgy. The device comprises a conductive busbar, a compensator, a front pressing plate, a rear pressing plate, a pressing block, a connecting bolt, a compression nut and a locking nut, wherein the compression nut and the locking nut are matched with each other; the front pressing plate and the rear pressing plate clamp the conductive busbar and the compensator through three sets of connecting bolts, one set of bolts achieves positioning, the other two sets of connecting bolts are distributed on the upper side and the lower side of the busbar so as to reduce the number of holes, meanwhile, the U-shaped bolt holes allow the bolts to rapidly slide in or move out, and stable pressing and loosening prevention are achieved through combination of the double pressing nuts and the double locking nuts. According to the scheme, the conductive area is reserved by reducing busbar holes, and the current density and energy loss are reduced; the bolt layout and the disassembly and assembly structure are optimized, and the maintenance efficiency is remarkably improved; the design of the pressing blocks and the symmetrical pressing plates ensures balanced distribution of pressure, connection reliability is enhanced, and the structure is suitable for a high-current-load direct-current electric arc furnace bottom electrode scene and has the advantages of high efficiency, stability and economical efficiency.
Owner:CISDI ENGINEERING CO LTD
A clamp structure for current-carrying friction experiment
The utility model discloses a kind of clamp structures of current-carrying friction experiment, including base, the middle position of base is threadedly installed with upper fixed clamp, the middle of upper fixed clamp is detachably limit installed with pin clamp, the middle of pin clamp is detachably limit installed with conductor, brass block is clamped and fixed between conductor and pin clamp, brass block is detachably electrically connected with wire, conductor is electrically connected with wire by brass block, can be installed according to the length of conductor, simple structure, processing and manufacturing are convenient, have good current conduction effect, can be realized when the length of conductor changes, without replacing clamp, just need to replace installation position to continue to carry out experiment, it is favorable to control the variable of experiment, improve the accuracy of experimental result.
Owner:CHINA YANGTZE POWER
Relay and battery energy distribution unit
ActiveCN224110218UReduces the possibility of galvanic corrosionImprove conduction efficiencyCell component detailsElectromagnetic relay detailsElectrical batteryBusbar
The utility model relates to the technical field of batteries, in particular to a relay and a battery energy distribution unit. The relay comprises a relay body, a copper static contact piece and an aluminum static contact piece, the copper static contact piece is inserted in the relay body, and part of the copper static contact piece extends out of the relay body to form a connecting end. And the aluminum static contact piece is used for being connected with the aluminum busbar, the aluminum static contact piece is connected with the connecting end, the aluminum static contact piece is provided with an isolation part, and the isolation part surrounds the outside of the connecting end to isolate the connecting end from the external environment. According to the relay and the battery energy distribution unit provided by the invention, the possibility of electrochemical corrosion is reduced, and the current conduction efficiency is improved.
Owner:BYD CO LTD
Large shaft grounding device
ActiveCN224418992UIncrease the effective contact areareduce wearElectrical resistance and conductanceStructural engineering
The application relates to the field of generator set operation and maintenance, and provides a large shaft grounding device, which comprises a fixing tool, a grounding wire, a constant-voltage loading mechanism and a grounding shoe. The grounding shoe comprises a conductive base layer and a low-contact-resistance layer which are sequentially stacked. The conductive base layer is connected with the grounding wire. The constant-voltage loading mechanism is connected between the fixing tool and the conductive base layer. The side surface of the low-contact-resistance layer opposite to the conductive base layer is an arc surface and is used for abutting against the surface of the large shaft. Based on the above structure, the electrostatic charge of the large shaft can be preferentially led away through the path of the low-contact-resistance layer, the conductive base layer and the grounding wire, the grounding effect of the large shaft grounding device on the large shaft can be effectively improved, the charge leading effect of the large shaft grounding device can be effectively improved, the accumulation of electrostatic charge to form a suspended potential can be effectively and reliably hindered, the shaft voltage can be reduced, the risk of the breakdown discharge phenomenon can be reduced, and the risk of the electric corrosion of the bearing caused by the current passing through the bearing can be reduced.
Owner:CHINA GENERAL NUCLEAR POWER OPERATION
A C-band power amplification module and a power amplification device
ActiveCN224596449Ureduce weightImprove compactnessHeat balanceElectrical and Electronics engineering
The utility model discloses a kind of C-band power amplification module and power amplification device, the C-band power amplification module at least includes two external heat conductors, two interlayer heat conductors, two internal heat conductors, multiple power amplification modules.Simultaneously the technical scheme is constructed multilayer heat conduction structure by symmetrically arranged external heat conductor, interlayer heat conductor and internal heat conductor, cooperate the reasonable arrangement of multiple power amplification modules, so that the heat of multiple power amplification modules is conducted to outside through multilayer heat conduction structure, improve heat conduction efficiency;Especially the outside of external heat conductor is provided with inwardly recessed groove structure, significantly reduce module overall weight under the premise of not affecting heat dissipation performance, improve the compactness of module structure and integration, conducive to equipment lightweight design and application environment adaptability, with good heat balance performance and structural optimization effect.
Owner:SHENZHEN TIMES HUADA TECHNOLOGY CO LTD
A method for improving the evaporation efficiency of condensate water
PendingCN122650576AImprove evaporation efficiencyImprove conduction efficiencyProcess engineeringRefrigeration plant
The application provides a method for improving condensate water evaporation efficiency, comprising the following steps: embedding a serpentine metal condensate water evaporation pipe in the lower side of a water pan through an insert injection integrated molding process, improving the heat exchange area of the serpentine metal condensate water evaporation pipe and the water pan, and forming an integrated water pan structure with a lower surface protruding downward, the lower surface protruding downward can further increase the contact area with the compressor, improve the heat exchange effect, then arranging the water pan above the compressor of a refrigeration equipment, utilizing the heat synergistic effect of the serpentine metal condensate water evaporation pipe and the compressor of the refrigeration equipment, and improving the condensate water evaporation efficiency. The serpentine metal condensate water evaporation pipe and the water pan can be integrally formed at one time through the insert injection integrated molding process, the heat conduction contact area is increased, and the dirt accumulation dead angle is eliminated, through the structure arranged above the compressor, the heat exchange efficiency is improved, the multiple technical effects of efficient condensate water evaporation, pipeline corrosion prevention and production cost reduction are realized.
Owner:浙江康盛科工贸有限公司 +1
A charging dock with a built-in phase change thermal storage module
This invention discloses a charging dock with a built-in phase change thermal storage module. The charging dock includes a socket body, a rear mounting shell, and a phase change thermal storage component. The socket body includes a front mounting shell and multiple power terminals installed within it. The rear mounting shell is detachably connected to the front mounting shell to form a heat dissipation cavity. Within the heat dissipation cavity, the rear end of each power terminal extends out of the front mounting shell and connects to a corresponding power cable, forming a copper busbar screw connection area and a cable welding area that are close to each other. At least one phase change thermal storage component is detachably installed within the rear mounting shell. The phase change thermal storage component is in close contact with at least one set of copper busbar screw connection areas and cable welding areas. A sealed cavity is provided within the phase change thermal storage component, and multiple heat-conducting fins are uniformly arranged inside the sealed cavity and filled with phase change thermal storage material. This invention can rapidly absorb local transient heat, improving charging safety and reliability.
Owner:SUZHOU RECODEAL INTERCONNECT SYST
A moisturizing electrode
ActiveCN224291914URealize water storage functionRealize humidification functionSensorsDiagnostic recording/measuringSkin contactEngineering
The utility model discloses a kind of moisturizing electrode, it relates to electrode technical field.The moisturizing electrode specifically includes: electrode layer and moisturizing inner core, the side of electrode layer is used to contact with skin, the other side is contacted with the moisturizing inner core, the moisturizing inner core includes permeation layer and lock wet layer.The moisturizing electrode provided by the utility model can realize the slow release of conductive medium or ion, so as to improve the conductivity efficiency and stability of electrode under dry condition.
Owner:JIAXING WENXIN INTELLIGENT TECH CO LTD
Light-induced zoned temperature control directional heat source, zoned temperature control method and printer
ActiveCN115639734Bhigh thermal conductivityImprove thermal conductivityElectrographic process apparatus
This invention belongs to the field of printer heating roller technology, specifically relating to a light-induced zoned temperature control directional heat source, a zoned temperature control method, and a printer, to alleviate the problem of low thermal energy utilization of the heating roller in existing printers. It includes a heating roller body, with multiple filling units carved out inside the heating roller body. These filling units are arranged at intervals along an axial direction, each corresponding to a heating zone. Each filling unit has multiple filling channels, which are arranged in a ring array around a point on the axis of the heating roller, radiating radially outwards. The heating roller provided by this invention has high thermal energy utilization and can achieve zoned temperature control.
Owner:NANJING CHENGUANG RONGXIN TECH CO LTD
Halide solid electrolyte with electrochemical activity and preparation method and application thereof
PendingCN121964803AOptimize the transmission pathlower energy barrierLi-accumulatorsSolid state electrolyteAll solid state
The invention discloses a halide solid electrolyte with electrochemical activity and a preparation method and application thereof, the solid electrolyte is a zirconium-doped ferric lithium chloride solid electrolyte, the chemical general formula of the solid electrolyte is LiFe1-4x / 3MxCl4, M is a metal element with the valence state higher than + 3, 0 lt; xlt; 1. According to the halide solid-state electrolyte with the electrochemical activity, the ionic conductivity order of magnitude is improved, the room-temperature ionic conductivity is improved to 10 <-3 > S / cm from 10 <-6 > S / cm by three orders of magnitude, so that the material is changed from'unavailability 'to'high performance', and the application requirement of an all-solid-state battery is met.
Owner:UNIV OF CHINESE ACAD OF SCI
Commutator for motor of automobile glass lifter
ActiveCN224191412UExtended service lifeimprove performanceRotary current collectorCooling/ventillation arrangementElectric machineHeat conducting
The utility model relates to the technical field of motor commutators, and discloses a motor commutator of an automobile glass lifter, which comprises a plurality of commutator sheets, heat dissipation fins are fixedly connected to insulation gaps formed among the commutator sheets, commutator sheet hooks are fixedly connected to the tops of the commutator sheets, and the commutator sheets are fixedly connected to the commutator sheet hooks. The outer walls of the commutator segment hooks are fixedly connected with arc-shaped flow deflectors, and the interior of the commutator segment is provided with a self-heat-dissipation assembly. The self-heat-dissipation assembly comprises a silver-plated coating, a chromium-zirconium-copper layer and a heat-conducting filler, the silver-plated coating is uniformly coated on the outer wall of the commutator segment, and the chromium-zirconium-copper layer and the heat-conducting filler are respectively arranged in the commutator segment. According to the utility model, a multi-stage heat dissipation structure is constructed, heat can be rapidly led out and dissipated, the working temperature is reduced, material aging is reduced, the operation stability of the motor is enhanced, the service life of the commutator is prolonged, and the performance and reliability of the motor are significantly improved.
Owner:CHONGQING SHUWEI TECH CO LTD
A low cost chip contact jack structure
ActiveCN224400708UImprove contact stabilityImprove aging resistanceSecuring/insulating coupling contact membersCoupling contact membersCantileverCable harness
The utility model discloses a low -cost piece formula contact piece jack structure relates to connector technical field, including conductive main part and steel case, and the conductive main part includes the elastic region and the end region of increasing thickness in proper order, and is provided with the transition area of thickness conversion between the elastic region and the end region, is equipped with the elastic contact cantilever on the elastic region, and the steel case sets up on the transition area and cooperates with the elastic contact cantilever on the elastic region. The material of elastic region is thin, and a plurality of contacts are arranged on the elastic contact cantilever, and the conductive function can be realized after contacting with the pin; the transition area is the thick, thin material conversion area; the end region is the connecting area of pencil and similar pencil function components, and generally uses the welding, crimping etc. Mode to realize the connecting function. The steel case is wrapped in the outside of conductive main part, can promote the contact stability and the ageing resistance of elastic region contact, realizes the anti -back function simultaneously, can guarantee the contact stability of contact region, and can solve the problem of few and high cost of existing contact.
Owner:HENAN THB ELECTRIC
Heating device for oil storage tank in oil field
ActiveCN224131869Uflow fastImprove conduction efficiencyLarge containersTank wagonsOil fieldCylinder block
The utility model discloses a heating device for an oil storage tank in an oil field, which relates to the technical field of heating devices and comprises an oil storage tank body and a tank cover, telescopic cylinder bodies are fixed on two sides of an outer carrying frame, a top plate is fixed between telescopic ends of the two telescopic cylinder bodies, and a guide cylinder is fixed at the center of the bottom end of the top plate. A hollow supporting cylinder is fixed to the center of the interior of the outer carrying frame. The lower end of the guide cylinder penetrates through the hollow supporting cylinder and is fixedly provided with a piston disc. An outer sleeve is rotationally connected to the outer side of the hollow supporting cylinder and located on the inner side of the outer carrying frame, an inner bearing frame is fixed to the outer side of the outer sleeve, pushing and guiding bases are arranged on the inner sides of the two sides of the inner bearing frame, and an electric heating pipe body is fixed to the lower end of each pushing and guiding base. According to the heating device for the oil storage tank in the oil field, the inner wall and the outer wall of the oil storage tank body can be heated through the overall structural matching design, and oil stored in the oil storage tank body can be conveniently extruded to enable the whole oil to rapidly flow and repeatedly make contact with the inner wall of the oil storage tank body, so that efficient heating is achieved.
Owner:YANCHANG OIL FIELD CO LTD DINGBIAN PETROLEUM OUTPUT FACTORY
High-strength impact-resistant rubber medium-voltage cable
ActiveCN224096434Ulower resistanceExtended service lifeClimate change adaptationInsulated cablesFiberElectrical conductor
The utility model discloses a high strength shock resistant rubber medium voltage cable relates to medium voltage cable technical field, including cable core, the cable core is composed of two sets of wire core, the wire core includes conductor, wrapping the outside of conductor insulating layer and wrapping the outside of insulating layer shielding layer, the outside of cable core is provided with buffer layer, and the outside of cable core is provided with the buffer layer. The buffer layer comprises an elastic inner layer and a fiber braid layer, the elastic inner layer is coated with the fiber braid layer, a reinforcing layer is arranged outside the buffer layer, the reinforcing layer comprises a supporting inner layer and an anti-impact outer layer, the supporting inner layer is coated with the anti-impact outer layer, an outer protective layer is arranged outside the reinforcing layer, and the anti-impact outer layer is arranged outside the outer protective layer. The outer protective layer comprises a wear-resistant base layer and an anti-tear surface layer, the wear-resistant base layer is coated with the anti-tear surface layer, and the problems that the impact resistance effect of the medium-voltage cable is poor and the improvement of the insulation performance is limited are solved.
Owner:WUXI DENGFENG CABLE CO LTD
Radiating module with multiple radiators
ActiveCN224189035UInhibit sheddingImprove cooling effectStationary conduit assembliesCooling/ventilation/heating modificationsDeuteron radiationHeat spreader
Owner:GUANGDONG XIANGGUAN COOLING TECHNOLOGY CO LTD
A micro-PCR reaction auxiliary device
The utility model relates to medical detection device technical field especially for a kind of trace PCR reaction auxiliary device, including tapered tube core, baffle, connecting rod, ring stand, threaded connection seat, screw rod structure, lower pressing part, fixed plate, resistance pole and PCR reaction tube;The utility model is used in cooperation with PCR reaction tube, distribute liquid in PCR reaction system in the vicinity of pipe wall, increase the conduction efficiency with PCR instrument heat module, promote reaction speed, avoid the process of liquid internal heat conduction simultaneously, improve the uniformity of reaction system, improve PCR reaction efficiency, and the volume of overall reaction system can be reduced to 1-5 microliters from 20-50 microliters, greatly save the dosage of reaction reagent and the requirement to sample amount, and the device can be adapted to the general ordinary PCR reaction tube in market, need not add new instrument and consumables when using the device, and additional cost will not be increased.
Owner:SHANGHAI JIENUO BIOLOGICAL TECH CO LTD
Negative active material, method for preparing the same, and lithium ion battery
The application relates to the technical field of lithium ion batteries, and discloses a negative electrode active material, a preparation method thereof and a lithium ion battery. The negative electrode active material comprises nano silicon and a three-dimensional carbon conductive grid, the nano silicon is embedded in the three-dimensional carbon conductive grid, the three-dimensional carbon conductive grid comprises uniformly mixed carbon nanotubes, layered graphene and graphite powder, the mass percentage of the nano silicon is 15%-35%, the mass percentage of the graphite powder is 32.5%-59.5%, and the mass ratio of the carbon nanotubes to the layered graphene is 1:2-8. The application uniformly mixes the carbon material with multiple shapes including carbon nanotubes, layered graphene and graphite powder with the nano silicon, forms a three-dimensional carbon conductive network structure, effectively absorbs the volume expansion of Si, improves the isotropic conductive performance and conductive efficiency of the active material, and has high structural stability.
Owner:JIANGSU RELIANCE ENERGY TECHNOLOGY CO LTD
Efficient energy-saving type converter coal gas recovery device for steel production
ActiveCN120536662BFacilitates subsequent recycling and reuseAchieve the purpose of high efficiency and energy savingManufacturing convertersIncreasing energy efficiencyReciprocating motionDust control
The application discloses a kind of high-efficiency energy-saving converter gas recovery device for steel production, and relates to the technical field of steel production, including converter gas conveying pipe, one end of converter gas conveying pipe is fixedly connected with gas cooling bin, the output end of gas cooling bin is fixedly connected with dust removal bin, and the output end of dust removal bin is fixedly connected with gas storage tank.The electric telescopic rod drives water supply and a plurality of spray pipes to reciprocate periodically, so that the plurality of spray pipes evenly spray normal temperature water through the spray head on the inner side of the cooling sub-bin.The water droplets sprayed on the inner side of the cooling sub-bin transfer heat with the high-temperature converter gas through the cooling sub-bin, transferring heat from the converter gas to the water, recycling the heat in the gas, achieving high efficiency and energy saving.The water droplets do not directly contact the converter gas, ensuring that the water droplets do not contain other impurities, facilitating subsequent recycling and reuse of water resources.
Owner:JIANGSU JINGYE IRON & STEEL CO LTD