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438 results about "Conductive rubber" patented technology

Wire harness conduction detection tool

The utility model discloses a wire harness conduction detection jig, and relates to the technical field of wire harness conduction detection, in particular to a wire harness conduction detection jig, which comprises a bottom plate, an insulating plate fixedly mounted on one side above the bottom plate, a conductive plate fixedly mounted above the insulating plate, and a conductive rubber pad placed above the conductive plate. A stand column is fixedly installed on the rear portion, close to the insulating plate, of the bottom plate, an air cylinder installation plate is installed on the top of the stand column, a downward-pressing air cylinder with a vertically-downward piston rod is installed above the air cylinder installation plate, and a floating pressing plate is installed on the piston rod of the downward-pressing air cylinder. Through cooperative arrangement of a conductive rubber pad, a pressing air cylinder and a floating pressing plate, the wiring harness conduction detection jig has the effects that the tail ends of all lead wires can be rapidly connected, and then the detection efficiency is improved; the wiring harness conduction detection tool is provided with a connecting structure capable of automatically pressing down the plug and the socket, so that the fingers of a worker are protected without being held by the hand of the worker.
Owner:HEBI FENGZE AUTO ELECTRIC CO LTD

Pogo pin and test socket including the same

A lower plunger of a pogo pin according to the present disclosure includes a metal pin and an electro-conductive rubber, and the electro-conductive rubber having a configuration in which a plurality of electro-conductive particles are contained in an elastic insulating material is attached to a lower end of the metal pin to increase a contact area between the lower plunger and a pad of a test board through a surface contact, thereby preventing the occurrence of inductive spikes and thus improving signal quality in a high-speed signal transmission environment.
Owner:TSE CO LTD

Static conductive rubber ground dragging belt for automobile

The utility model provides an automobile static electricity conducting rubber ground dragging belt which comprises a rubber belt body and a connecting buckle, the rubber belt body comprises a first belt body and a second belt body, the lower end of the first belt body is provided with a first connecting part, the upper end of the second belt body is provided with a second connecting part, and the lower end of the second belt body is used for making contact with the ground. The upper part of the first belt body upwards penetrates through the connecting buckle and is downwards bent back to form a back bending part, the back bending part is connected with the connecting buckle, and the connecting buckle is connected with an elastic pressing sheet used for pressing and fixing the first belt body. According to the static conductive rubber mopping belt for the automobile, when the mopping length of the rubber belt body needs to be adjusted, the length of the rubber belt body can be adjusted only by loosening the elastic pressing piece and pulling the first belt body downwards, and the contact state of the second belt body and the ground is guaranteed; and when the rubber belt body is seriously abraded and needs to be replaced, only the second belt body needs to be replaced, so that the waste of resources is avoided, and the use cost is effectively saved.
Owner:XINGTAI WEILI AUTO PARTS CO LTD

Power transmission belt with conductive rubber mixture having graphene

A power transmission belt having a conductive rubber mixture, which has a resistivity of less than 6.0 MΩ, wherein the conductive composition includes a base rubber, 25 to 250 phr of non-conductive carbon black as a filler and up to 5 phr of graphene as a conductive filler. The incorporation of a combination of a non-conductive carbon black filler and graphene into the rubber mixture allows for the replacement of conductive carbon black, which is conventionally used to procure conductive properties to rubber, but which has the disadvantage that it is comparatively expensive, especially in the quantities needed to confer conductive properties to the rubber mixture.
Owner:CONTITECH DEUTSCHLAND GMBH

Fluid leakage sensing system and method for marine hose

The invention provides a fluid leakage sensing system and method for a marine hose, which can sense the presence or absence of fluid leakage of various types of marine hoses with high precision. A detection element (15) for forming a loop circuit (17) connected to a passive IC tag (11) is made to continuously extend in the longitudinal direction of the hose body between an inner surface layer (3) and a first reinforcement layer (4) by using a conductive rubber or a conductive paste having a resistance value that changes to a reference value or more as a result of the infiltration of a fluid (L), and the IC tag (11) is disposed on the surface of a marine hose (1). Resistance value data Dr in the loop circuit 17 when the IC tag 11 is activated by the transmission radio wave R1 transmitted from the communication device 19 is transmitted to the communication device 19 by a reply radio wave R2 transmitted by the IC tag 11 in accordance with the transmission radio wave R1 and input to the arithmetic device 20, and the presence or absence of leakage of the fluid L is determined on the basis of the magnitude of the difference between the resistance value data Dr and the reference resistance value data Dc.
Owner:THE YOKOHAMA RUBBER CO LTD

Long-acting conductive box type sealing ring

The long-acting conductive box type sealing ring comprises an outer framework, an inner framework and conductive rubber, the conductive rubber is installed on the outer side face of the outer framework, and the upper side face of the outer framework is used for being in interference fit with a tooth opening of a bearing outer ring; the conductive rubber comprises a main lip, the main lip comprises a lip waist part and a lip tip part, the lip waist part is wider than the lip tip part, the section of the main lip is conical, the lip tip part abuts against the upper side face of the inner framework, and the lower side face of the inner framework is used for being in interference fit with an inner ring of the bearing. According to the long-acting conductive box type sealing ring provided by the utility model, the box type sealing ring has a long-acting conductive function, and electric corrosion in a bearing is effectively avoided.
Owner:TIEKE JINHUA TESTING CENT CO LTD +4

Multi-structure-layer flaky silver-coated aluminum powder, preparation method thereof and conductive rubber material

The invention provides multi-structure-layer flaky silver-coated aluminum powder, a preparation method of the multi-structure-layer flaky silver-coated aluminum powder and a conductive rubber material. The multi-structure-layer flaky silver-coated aluminum powder comprises flaky aluminum powder, a silicon dioxide layer and a silver layer, the silicon dioxide layer is coated on the surface of the flaky aluminum powder, and the silver layer is coated on the surface of the silicon dioxide layer. According to the multi-structure-layer flaky silver-coated aluminum powder, the preparation method thereof and the conductive rubber material, the multi-layer composite structure design of aluminum core-silicon dioxide layer-silver layer is adopted, the problems that aluminum powder is poor in stability and silver is prone to migration are solved, and the multi-structure-layer flaky silver-coated aluminum powder has the advantages of being low in cost and resistant to shearing; therefore, the novel white conductive filler with high performance, high stability and high applicability is obtained.
Owner:HEFEI SUNRISE PIGMENTS

Electromagnetic compatibility processing device of nitrogen making machine

The utility model relates to a nitrogen making machine electromagnetic compatibility processing device, which comprises a device body, and the device body comprises a nitrogen making machine shell. The shielding box is provided with an accommodating chamber and comprises a shielding box body and a shielding box cover which are mutually occluded and sealed, and a conductive rubber strip is arranged between the contact surfaces of the shielding box body and the shielding box cover; the filtering assembly is arranged in the shielding box accommodating chamber and comprises a common mode inductor and a high-frequency decoupling capacitor; the common mode inductor is arranged in the shielding box, the interface assembly is exposed on the side wall of the shielding box, the interface assembly comprises an input interface and an output interface which are oppositely arranged, the input interface comprises an aviation socket, the output interface comprises a feed-through filter, the aviation socket is connected with the common mode inductor, and the common mode inductor is connected with the feed-through filter. According to the nitrogen making machine equipment, the anti-interference performance can be improved, and meanwhile, the external interference capability of the nitrogen making machine serving as a disturbance source is also reduced.
Owner:HEFEI TONGZHI ELECTRICAL CONTROL TECH

MXene / CNTs self-assembled conductive rubber and preparation method thereof

PendingCN119912738APolymer scienceLatex rubber
The invention relates to MXene / CNTs self-assembled conductive rubber and a preparation method thereof, and belongs to the technical field of conductive rubber. Through treatment, the CNTs have positive electricity and can be subjected to electrostatic self-assembly with MXene with negative electricity, the assembled conductive filler can be further assembled with latex particles of rubber through electrostatic interaction, the conductive filler and the latex particles are gelatinized together to prepare conductive rubber, and the conductive functional filler can form a good conductive network in a rubber matrix, so that the conductivity of the conductive rubber is improved. Therefore, the sensitivity, the stability and the durability of the conductive rubber are improved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Heat-conducting rubber material and rubber track

The present invention relates to a thermally conductive rubber material and a rubber track. The preparation method of the rubber material comprises the steps of mixing a raw material composition; wherein, by weight, the raw material composition comprises: 100 parts of a rubber raw material; 20-30 parts of carbon fibers subjected to a first pretreatment; 25-35 parts of hexagonal boron nitride powder subjected to a second pretreatment; and 25-35 parts of nano powder subjected to a third pretreatment; wherein the average length of the carbon fibers is 3 mm to 10 mm; wherein the average particle size of the hexagonal boron nitride powder is 10 μm to 200 μm; wherein the average particle size of the nano powder is 5 nm to 100 nm, and the nano powder is selected from one or more of metal powder and metal oxide powder; wherein the first pretreatment comprises treating the carbon fibers with a silane coupling agent and then etching with CO2 plasma; wherein the second pretreatment comprises treating the hexagonal boron nitride powder with a silane coupling agent; and wherein the third pretreatment comprises treating the nano powder with a solution containing octadecylamine and stearic acid.
Owner:JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD

Natural rubber with high conductivity and preparation method thereof

PendingCN119978566ACellulosePolymer science
The invention discloses natural rubber with high conductivity and a preparation method thereof, and belongs to the technical field of conductive rubber.The natural rubber is prepared from 100 parts of natural latex, 5-40 parts of conductive filler, 0.5-20 parts of cellulose, 1-10 parts of zinc oxide, 0.5-5 parts of sulfur, 0.5-5 parts of accelerant, 1-5 parts of stearic acid, 0.05-1 part of potassium hydroxide, 0.05-1 part of dispersing agent NF and 0.5-20 parts of casein; the natural rubber with high conductivity is obtained through preparation of a natural latex solution, cellulose treatment and preparation of a cellulose solution, mixing of a conductive filler and the cellulose solution to prepare a suspension, mixing of the suspension and the natural latex, solidification forming by a low-temperature freezing method, and hot-pressing vulcanization. The method has the advantages of being simple in process, low in cost, environmentally friendly and the like, and the produced composite material has good electrical properties, flexibility and mechanical properties.
Owner:GUANGXI UNIV

Shrinkage-resistant directional conductive supercritical foaming rubber and preparation method thereof

The invention discloses anti-shrinkage directional conductive supercritical foaming rubber and a preparation method thereof, and relates to the technical field of conductive rubber foam, raw materials comprise a rubber matrix, a modified fiber forming polymer and an auxiliary agent system, and the modified fiber forming polymer is prepared from a fiber forming polymer and a conductive filler. The preparation method comprises the following steps: extruding and granulating the fiber-forming polymer and the conductive filler to obtain modified granules, blending the modified fiber-forming polymer granules and the rubber matrix, carrying out extrusion and traction processes to obtain an in-situ fiber-forming modified rubber material, carrying out directional open milling, adding an auxiliary agent system, carrying out vulcanization molding, and foaming in a supercritical fluid to obtain the rubber foam material. The directional conductive fiber is constructed in the rubber matrix in situ, the rubber foaming material with directional conductivity and shrinkage resistance is prepared, the conductive efficiency is high, the problem that a rubber supercritical foaming material is prone to shrinkage is solved, and the rubber foaming material has the characteristics of heat insulation, light weight, high strength and the like and can be used for buffering and damping, heat insulation, electromagnetic shielding, flexible sensing and other scenes.
Owner:QINGDAO UNIV OF SCI & TECH

Carbon nanotube modified conductive fluororubber and preparation method thereof

PendingCN119823512APolymer scienceVulcanization
The invention discloses carbon nanotube modified conductive fluororubber and a preparation method thereof, and belongs to the technical field of conductive rubbers, the carbon nanotube modified conductive fluororubber comprises the following raw materials: fluororubber, carbon nanotubes, metal oxide powder, carbon black, a silane coupling agent, an anti-aging agent, a plasticizer, stearic acid, a vulcanizing agent and an accelerant. The preparation method comprises the following steps: cutting the fluororubber into blocks, removing impurities, uniformly mixing with the plasticizer, the anti-aging agent and the accelerant, then feeding together with the remaining raw materials, and carrying out mixing, plastication, vulcanization, cutting and molding to obtain the carbon nanotube modified conductive fluororubber. The fluororubber is modified by using the carbon nanotubes, so that the conductivity is improved, and the problem of insufficient conductivity in the prior art can be solved. Meanwhile, the method can maintain the excellent mechanical performance of the conductive fluororubber, and the practicability and reliability of the conductive fluororubber are further enhanced.
Owner:厦门华碳科技有限公司

Device and method for testing gas tightness at weld joint of stainless steel pipe

The invention relates to the technical field of gas tightness testing, in particular to a device and a method for testing gas tightness at a weld joint of a stainless steel pipe, the testing device comprises a sliding bottom plate, two outer frames are arranged at the top of the sliding bottom plate, and a pressurizing assembly and a pressure sensor are fixedly connected to the circle centers of the two outer frames in a penetrating manner respectively; the outer walls of the pressurizing assembly and the pressure sensor are rotatably connected with conductive rubber respectively, the outer walls of the two conductive rubber are fixedly provided with convex rings respectively, the inner walls of the two outer frames are fixedly provided with sealing rings respectively, the two outer frames are internally provided with liquid storage cavities respectively, and the testing method comprises the steps of preparation, sealing, filling and the like. The filling gap is sealed by the magnetic fluid, even if the pipe diameter of the pipeline changes slightly or the surface of the pipeline is uneven, the magnetic fluid can be tightly attached to the surface of the pipeline to form a tight sealing layer, the magnetic fluid can be solidified to adapt to the shape of the gap, the plugging effect on the filling gap is improved, and the testing accuracy is ensured.
Owner:ZHEJIANG SHUANGYIN SPECIAL MATERIAL TECH CO LTD

Laser flatness detection device for capping beam template production

The invention discloses a laser flatness detection device for capping beam template production, and relates to the technical field of flatness detection.The laser flatness detection device comprises a base and a supporting seat, a fitting mechanism is arranged at the bottom end of a connecting shell, conductive rubber is fixedly connected to the inner side of the fitting mechanism, and a capping beam template placed on the base is arranged below the conductive rubber; one end of the connecting shell is fixedly connected with an adjusting mechanism, the detection method is not affected by the surface characteristics of the cover beam formwork, the detection precision is improved, meanwhile, defects (such as cavities and cracks) in the cover beam formwork can be detected, and therefore tiny hidden dangers affecting the performance of the cover beam formwork can be found easily; and meanwhile, the conductive rubber and the capping beam template can be tightly and stably attached through the arranged attaching mechanism, so that a contact gap is effectively eliminated, stable signal transmission in the measurement process is ensured, and the accuracy of potential difference measurement is greatly improved.
Owner:SHANDONG WEIYE INTELLIGENT EQUIPMENT TECHNOLOGY CO LTD

Sealing device

A sealing device is arranged between two relatively displaceable members containing an object to be sealed, for example, a drive shaft of an electric vehicle, and a housing for the drive shaft. A sealing body made of conductive rubber provided in the sealing device is fixed in a state of contact with the housing by an outer peripheral seal, and brings a sealing surface provided on a conductive lip into surface contact with the drive shaft to seal the object. A grease groove is provided on the sealing surface to retain grease having conductivity. The grease is filled between the drive shaft and the sealing surface, and forms a conducting circuit along with the sealing body which makes the drive shaft acting as an antenna for electromagnetic noise and the housing conductive.
Owner:NOK CORP

Anti-collision mechanism and anti-collision swing welding laser head

The invention relates to an anti-collision mechanism and an anti-collision swing welding laser head. The anti-collision mechanism comprises an annular conductive rubber strip, a zebra strip matching piece and a signal triggering device, the annular conductive adhesive tape is provided with an insulating layer and a conductive layer which are annularly arranged and arranged at an interval; the zebra strip matching piece is arranged right opposite to the annular conductive adhesive tape; when the anti-collision swing welding laser head works, the top end of the zebra strip matching piece abuts against the bottom end of the annular conductive rubber strip. And the signal triggering device is electrically connected with the annular conductive rubber strip and the zebra strip matching piece respectively. The anti-collision mechanism and the anti-collision swing welding laser head have the advantages that collision can be automatically detected, and the anti-risk capacity is improved.
Owner:伯朗特机器人股份有限公司

Extrusion-machine head in-situ rapid high-crosslinking low-compression permanent deformation conductive silicone rubber and preparation method thereof

The invention discloses extrusion-head in-situ rapid high-crosslinking low-compression permanent deformation conductive silicone rubber and a preparation method thereof. The conductive silicone rubber is prepared from the following raw materials in parts by mass: 100 parts of high vinyl silicone rubber, 2-10 parts of high vinyl silicone oil, 10-30 parts of white carbon black, 150-250 parts of coupling agent modified conductive powder, 2-5 parts of a vulcanizing agent and 1-3 parts of an assistant vulcanizing agent. The plunger type extruder is adopted, the raw materials are extruded and then subjected to in-situ rapid vulcanization forming, the formed conductive silicone rubber is high in crosslinking density and low in compression set, the problem that rubber strips of special-shaped complex structures are prone to collapse and deformation is solved, and the extruded conductive rubber strips do not need to be fed into a vulcanization channel for secondary vulcanization. The conductive rubber strip prepared by the invention has excellent electrical property and electromagnetic shielding effectiveness, and is high in mechanical property, good in rebound resilience and good in processability.
Owner:BEIJING NEW RUBBER POLYMER MATERIALS CO LTD +1

Fuel Cell and Voltage Tapping Device

A fuel cell includes a plurality of bipolar plates having a plurality of contacting surfaces and a conductive rubber element having a plurality of electrically conductive regions alternating successively with a plurality of electrically insulating regions. The conductive rubber element is arranged at an angle α to an orthogonal of the contacting surfaces of the bipolar plates, wherein B≥3.5·p·cos(α)−b·sin(α) is satisfied. B is a width of one of the contacting surfaces on one of the bipolar plates, b is a width of the electrically conductive regions and electrically insulating regions of the conductive rubber element, and p is a grid pitch of the conductive rubber element.
Owner:ERNI INTERNATIONAL AG

Structure for improving conductivity of tire

The utility model provides a structure for improving the conductivity of a tire, and belongs to the technical field of tires. The structure for increasing the conductivity of the tire comprises a sidewall and a tread. The tire sidewall is arranged at the bottom of the tire tread, a cap ply and a belted layer piece are sequentially arranged on the inner side of the tire sidewall, the tire tread is filled with a tire tread conductive rubber strip, the bottom end of the tire tread conductive rubber strip is in contact with the cap ply, a tire sidewall conductive rubber strip is arranged on the inner side of the tire sidewall, and the bottom end of the tire sidewall conductive rubber strip is in contact with the belted layer piece. The top end of the tire side conductive rubber strip is in contact with the tail end of the belted layer piece, and rim rubber is arranged at the tail end of the tire side and is in contact with the tire side conductive rubber strip. The conductive performance of the tire can be improved, and the effect of improving the conductivity of the tire is achieved through indirect contact of the tread conductive rubber strip and the tire side conductive rubber strip. Automobile suspension conductive belts or iron chains can be saved, the cost is saved, and noise pollution caused by contact between the conductive belts or the iron chains and the ground is reduced.
Owner:KUMHO TIRE (TIANJIN) CO INC

Static conductive rubber dragging belt for automobile

The utility model provides an automobile static conductive rubber dragging belt, which relates to the technical field of automobile static prevention, and comprises a connecting seat and a rubber belt, the connecting seat is provided with a pressing strip and a spring bolt, and the connecting seat is used for being installed on an automobile; the rubber belt comprises a fixed section, a standby section and a mopping section, one end of the fixed section is fixed in the connecting seat, the standby section and the fixed section are connected end to end and bent to penetrate through the pressing strip on the connecting seat, and a plurality of tooth grooves are formed in the standby section. According to the static conductive rubber dragging belt of the automobile, the pressing strip and the spring bolt are arranged on the connecting base to form a belt buckle type structure, the tooth groove is formed in the rubber belt, the tooth groove and the belt buckle type structure are matched to lock the standby section, and when the length of the rubber belt is adjusted, only outward pulling is needed, the rubber belt generates large elastic deformation, and the spring bolt is separated from the tooth groove, so that the rubber belt can be adjusted. And the length of the rubber belt can be adjusted by pulling, so that a user can conveniently adjust the length of the dragging belt.
Owner:SHIYAN DONGFENG FUDIAN AUTOMOBILE ELECTRICAL CO LTD

A multi-layered, sheet-like silver-coated aluminum powder and its preparation method, and conductive rubber materials.

This invention proposes a multi-layered, sheet-like silver-coated aluminum powder, its preparation method, and a conductive rubber material. The multi-layered, sheet-like silver-coated aluminum powder comprises: sheet-like aluminum powder, a silica layer, and a silver layer; the silica layer coats the surface of the sheet-like aluminum powder, and the silver layer coats the surface of the silica layer. This invention, employing a multi-layered composite structure design of "aluminum core-silica layer-silver layer," solves the problems of poor aluminum powder stability and easy silver migration, and possesses advantages such as low cost and shear resistance, thus obtaining a novel white conductive filler with high performance, high stability, and high applicability.
Owner:HEFEI SUNRISE PIGMENTS

Reinforced display

The utility model provides a reinforced display, which comprises a touch screen, a panel and a display screen, the middle frame is buckled on the panel, an installation position used for installing the touch screen is formed between the middle frame and the panel, and pearl wool, silica gel and conductive rubber are arranged in the installation position so as to form a buffering layer which is located on the touch screen and provided with a C-shaped section, and the buffering layer is used for buffering force borne by the touch screen. The panel and the middle frame form a mounting position for mounting the touch screen, so that the touch screen has a certain movable position in the mounting position, under the cooperation of the pearl wool, the silica gel and the conductive rubber, the silica gel can wrap the periphery of the touch screen to buffer the lateral acting force borne by the touch screen, and the touch screen is located between the pearl wool and the conductive rubber, so that the touch screen is prevented from being damaged. The touch screen is arranged in the middle frame, so that the touch screen is not in direct contact with the panel and the middle frame, longitudinal acting force borne by the touch screen is buffered, acting force in all directions borne by the touch screen can be buffered through the buffer layer formed by the silica gel, the conductive silica gel and the pearl wool, and the touch screen is prevented from being damaged.
Owner:CHONGQING QIPAI ELECTRONICS CO LTD

Z-axis insulating nickel-carbon conductive rubber sheet taking PI as base material and preparation method of Z-axis insulating nickel-carbon conductive rubber sheet

The invention belongs to the technical field of rubber sheets, and particularly relates to a Z-axis insulating nickel-carbon conductive rubber sheet with PI as a base material and a preparation method of the Z-axis insulating nickel-carbon conductive rubber sheet. The Z-axis insulating nickel-carbon conductive rubber sheet taking PI as the base material comprises the following components in parts by weight: 120 parts of silicone rubber, 40-60 parts of vinyl resin, 20-40 parts of hydrogen-containing silicone oil, 5-15 parts of a coupling agent, 1-10 parts of a catalyst, 1-10 parts of an inhibitor and 550-750 parts of nickel-carbon powder. The nickel-carbon conductive rubber sheet disclosed by the invention is good in adhesive force with a PI base material, Z-axis insulation, low in volume resistivity and high in shielding effectiveness, meets the use effect of electronic components with high electromagnetic shielding requirements, and realizes the insulation effect between two cavities.
Owner:SHENZHEN DARBOND INTERFACE MATERIALS

Optical module circuit board device with good anti-interference and heat-conducting properties

The utility model discloses an optical module circuit board device with good anti-interference and heat-conducting properties, which comprises a circuit board body, an anti-interference cover is adhered to the top of the circuit board body, a heat-conducting wear-resistant cover is movably arranged at the position, close to the edge, of the top of the anti-interference cover, and supporting frames are movably and symmetrically arranged at the two ends of the bottom of the circuit board body. The anti-interference cover comprises an outer copper-clad plate layer, a nickel-zinc ferrite layer, a conductive rubber layer, a metal micro-powder wave-absorbing material layer and an inner copper-clad plate layer which are sequentially arranged from outside to inside, and the heat-conducting wear-resistant cover comprises a metal substrate, a ceramic substrate, a heat-conducting silica gel layer and a polymer insulating substrate which are sequentially arranged from outside to inside. According to the utility model, the anti-interference cover adhered to the top adopts a multi-layer structure, and the outer copper-clad plate layer, the nickel-zinc ferrite layer, the conductive rubber layer, the metal micro-powder wave-absorbing material layer and the inner copper-clad plate layer are sequentially arranged from outside to inside, so that external electromagnetic interference can be shielded and absorbed in all directions through the design.
Owner:JIANGSU INORSEN CIRCUITS CO LTD

Conductive rubber composite material as well as preparation method and application thereof

The invention discloses a conductive rubber composite material as well as a preparation method and application thereof, and relates to the technical field of composite materials. According to the conductive rubber composite material provided by the invention, the conductive layer containing the carbon black and the carbon nanotubes is coated on the surface of the conductive rubber matrix added with the carbon black as the conductive filler, and the carbon black of the matrix and the carbon black of the conductive layer have different particle sizes, so that stable combination of the conductive layer and the matrix can be realized through interaction of Van der Waals' force; due to the one-dimensional linear morphology of the carbon nanotubes, the carbon nanotubes can be matched with the conductive layer and spherical carbon black filler in the conductive rubber matrix to form rich conductive paths, so that the conductivity of the obtained composite material can be improved, and a stress concentration point cannot be introduced into the composite material. Therefore, the conductivity of the rubber matrix is improved, meanwhile, the mechanical performance of the rubber matrix can be guaranteed, the volume resistivity of the obtained composite material can reach 42 omega.cm or below, and the elongation at break can reach 620% or above.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

Low-resistance low-inductance high-reliability electrode connection structure for high-voltage pockels cell

The application discloses a kind of low resistance low inductance high reliable electrode connecting structure for high voltage Pockels cell, belongs to Pockels cell electrode connecting technical field, solve the existing Pockels cell electrode connecting structure connection reliability problem, electric contact medium performance is not good;Including anti-drop insulating sleeve, pin, input electrode, metal hair button, shell and crystal;The top of pin is equipped with anti-drop insulating sleeve, the bottom of pin is connected with input electrode, input electrode is installed in the mounting hole of shell, the inside of shell is provided with crystal, and the outer side surface of both ends of crystal is provided with gold plating layer;Metal hair button at the bottom of input electrode is pressed on gold plating layer.In the application, pin and input electrode are inserted into position and wrapped by anti-drop insulating sleeve, input electrode is not exposed, and the personal safety hazard of high-voltage electric shock is fundamentally eliminated;Metal hair button is used instead of conductive rubber, to ensure that the contact pressure with crystal electrode is constant, and the anti-vibration and anti-impact performance is strong.
Owner:CHENGDU HEZHONG BAOGEN ELECTRONICS CO LTD

Conductive rubber roller surface treatment device for printer

The utility model discloses a conductive rubber roller surface treatment device for a printer, and relates to the field of printer production, the conductive rubber roller surface treatment device comprises a spraying cleaning cabin, a drying cabin is arranged on one side of the spraying cleaning cabin, a supporting frame is arranged on a spraying inclined cabin and the drying cabin, and the supporting frame penetrates through the spraying cleaning cabin and the drying cabin; a rapid feeding mechanism is arranged on the supporting frame, and a discharging mechanism is arranged at one end of the supporting frame. A plurality of rubber rollers are placed in the rapid feeding mechanism on the supporting frame, then the rapid feeding mechanism is used for driving the rubber rollers to move on the supporting frame in sequence, the rubber rollers pass through the spraying inclined cabin and the drying cabin in sequence, the discharging mechanism collects the processed rubber rollers, and the rubber rollers are dried through the drying cabin. Therefore, the trouble that cleaning personnel need to place and fix the rubber rollers one by one can be reduced, meanwhile, the discharging operation time of processing personnel can be buffered, and the possibility that the rubber rollers fall off due to untimely discharging is reduced.
Owner:MEIJI RUBBER & CHEM (SHENZHEN) CO LTD

Road snow melting conductive rubber material arrangement method and system

The invention discloses a road snow melting conductive rubber material arrangement method and system, and relates to the technical field of high-speed maintenance. Comprising the steps of collecting ice-snow pavement information data over the years; the snow melting conductive rubber material is systematically arranged based on the collected ice and snow pavement information data; through sensitivity analysis, the influence degree of the influence factors on the heating process of the snow-melting conductive rubber material is obtained; and based on the support vector regression model, predicting a temperature rise result of the snow-melting conductive rubber material to realize ice and snow melting. According to the method, a thermal resistance model method is adopted, the scientificity of systematic arrangement of the road snow melting conductive rubber material is guaranteed, finally, a road snow melting conductive rubber material system model is constructed, and the problem that existing influence factors are not clear is dynamically solved by utilizing a sensitivity analysis method; and the scientific degree and accuracy of the arrangement of the snow-melting conductive rubber material are effectively promoted.
Owner:HENAN PROVINCIAL COMM PLANNING & DESIGN INST CO LTD