116 results about "Insulator (electricity)" patented technology

A fitting is provided for use in retaining a plurality of accessory members to a vertical modular structural unit of a telecommunications tower or electricity pylon. The unit has a plurality of vertical sides wherein each side has at least one side aperture. The fitting has a body; a body plate attached to the body and so-shaped as to be cooperable with a side of the unit and receivable in intimate engagement within the side aperture; attachments by which the fitting is attachable to the structure and the body plate is retained thereto receivable within the side aperture by retaining bolts; the body having at least one accessory, such as a guy rope, insulator, dish and platform-receiving aperture for retaining the accessory to the body. The shape of the apertures in each unit side which is complimentary with the body plate, provides a lighter, stronger and more efficacious modular unit and tower.

The invention relates to a bioelectric electrode which is extensively applied to bioelectric recording, measurement and stimulation, including high-density electrode measurement, medical facilities, mobile equipments, family health care, psychological cognition, games, a brain-computer interface, rehabilitation training and the like, and is particularly applicable to electroencephalogram measurement. An electrode tip is a columnar pipe, and the middle part of the electrode tip is provided with an electrolyte circulating hole; one end of the electrode tip is a working end in contact with a living body, and the other end of the electrode tip is an electrolyte entering end; the electrode tip is located on one end plane of an electrode body; the middle part of the electrode body is provided with a cavity used for accommodating an electrolyte and communicating with a middle through hole; the electrode tip is a conductor, and the electrode body is either a conductor or an insulator; the electrode tip is communicated with an external circuit directly through the electrode body. The bioelectric electrode provided by the invention has the main advantages of being simple in structure, low and stable in electrode impedance, low in measurement noise, small in artifact, convenient and comfortable to use, and an electrolyte ion conductor and an electrode tip electronic conductor are simultaneously in contact with the skin, thereby being applicable to the relevant applications of bioelectricity recording, measuring and stimulation.

The invention relates to a bio-electricity signal sensor. The bio-electricity signal sensor comprises an electrode, an electrolyte, a cavity capable of holding the electrolyte, and a porous column, wherein one end of the cavity is a sealed end, and the other end of the cavity is connected with an electrolyte entering end, and another end of the porous column is a working end in contact with a living body; at least a part of electrode is located in the electrolyte, the electrode is a conductor, and the cavity is either a conductor or an insulator. The bio-electricity signal sensor provided by the invention has the main advantages of being simple in structure, reliable to contact, precise to locate, low and stable in electrode-skin impedance, low in noise measurement, low in artifact and convenient and comfortable to use, and is capable of recycling for a long time, thereby being applicable to relevant applications of bioelectricity recording, measuring and stimulation, and particularly applicable to electroencephalogram measurement.

The invention provides a high-safety power lithium ion battery adopting an anode sheet mixing lithium titanate with graphite. The high-safety power lithium ion battery is characterized in that an anode material is included, the anode material is prepared from an anode active material, an anode conducting agent and an anode bonding agent, and the graphite, lithium titanate, the anode conducting agent, the anode bonding agent and an anode solvent are uniformly dispersed and mixed to form anode slurry, wherein the mass ratio of lithium titanate to the anode active material ranges from 0.5% to 10%. According to the high-safety power lithium ion battery, when the battery has a partial short-circuit fault, the heat stability of the lithium ion battery anode sheet adopting anodes mixing lithium titanate with the graphite is high, lithium titanate particles in the anode sheet are instantaneously subjected to lithium removal to form an empty-electricity-state insulator, the resistance of the anode sheet is increased, the short-circuit current is significantly decreased, and the safety of the battery is significantly improved.

The invention provides a waterproof safety socket and plug capable of preventing a child from an electric shock. The safety socket is provided with an insulation shell, an insulation rotating core, a movable clamping pin, a spring and a power supply clamp protrusion; the safety plug is provided with an insulator, a two-pole or three-pole electrode, a wire and a wire steering device. The outside of the lower end of the positive pole and the outside of the lower end of the negative pole are respectively and symmetrically provided with a clamping groove, the clamping grooves can be plane grooves or hook-shaped grooves and can be closely fit with the power supply clamp protrusion, a power supply in the socket is hidden in a sealed mode when the socket and the plug are separated through rotation of the insulation rotating core, the situation that an electric shock accident occurs when a finger of the child or a conductor is inserted into the power supply is avoided, an electric arc phenomenon is avoided due to the fact that the power supply is completely sealed during work, the upper end convex edge of the insulation shell is connected with an upper end cover edge of the insulation rotating core in a sleeved mode in the longitudinal direction, the situation that liquid enters the power supply and accordingly short-circuited phenomena or electricity leaking accidents occur is avoided, the wire of the safety plug can be adjusted at 180 degrees, and an ideal effect integrating safety, practicability and compatibility is scientifically achieved.

A hydrogen-oxygen mixed gas generator includes a metal thin walled tube having a certain inner diameter, an insulation tube inserted into an inner surface of the tube, an electrolyte plate unit composed of multiple electrolyte plates with multiple holes and loops with certain thickness a frontal cover provided on a front of the metal thin walled tube and which includes a frontal inlet formed at the bottom and a frontal outlet formed at a top, a frontal insulator which disconnects electricity between the frontal cover and the tube, a rear cover provided on a rear of the metal thin walled tube and which includes a the rear inlet at the bottom and a rear outlet at the top, a rear insulator which disconnect electricity between the rear cover and the tube and a heat-protective plate covered with multiple heat-protective pins, provided in the metal thin walled tube between the front and rear covers.

A concentric insulation sleeve is disclosed having multi-layered structure. The outer layer exhibits low smoke and fume and non-halogen properties important for use of fiber optic cable assemblies in confined space susceptible to combustion conditions. The inner layer exhibits anti-static properties, and optionally slippery properties, to make the assembly of fiber strands in the insulation less charged with static electricity. The cable can become associated with other cables and serve as mini-ducts and then be surrounded by another insulation sleeve of the same construction to form a cable duct.

A dust remover which comprises a power supply and an electrode applied with voltage by said power supply. The dust attached to the object of dust removal is removed therefrom by bringing the electrode into contact with the object of dust removal or approaching toward the object of dust removal. The object of dust removal is a conductor and / or an insulator. The voltage applied to said electrode is a pulsed voltage of plus and minus or an AC voltage of plus and minus. Or the voltage is a DC voltage having the same polarity with that of electricity with which the dust is charged, or the voltage is a DC voltage having an opposite polarity to that of electricity with which the dust is charged. The object of dust removal includes at least a ball for “Pachinko”, a car body, a printed board, a metal box or a part thereof, a frame for glasses, a plastic lens, a plastic box or a part thereof, a fiber, a wood, a paper box or a part thereof.

The invention relates to the technical field of wireless charging, and particularly discloses an inspection unmanned aerial vehicle wireless charging system, device and method based on high-voltage line energy taking. The system comprises a high-voltage electricity taking module, a wireless electric energy transmission module and an unmanned aerial vehicle charging module which are connected in sequence. The wireless power transmission module comprises a primary side voltage adjusting unit, a coupling unit and a secondary side voltage adjusting unit which are connected in sequence. The primaryside voltage adjusting unit is connected with the high-voltage electricity taking module, and the secondary side voltage adjusting unit is connected with the unmanned aerial vehicle charging module.The coupling unit comprises a transmitting coil connected with the primary side voltage adjusting unit, a receiving coil connected with the unmanned aerial vehicle charging module, and a multi-stage relay coil arranged between the transmitting coil and the receiving coil. The plurality of relay coils can effectively improve the transmission distance, and in combination with the insulator structure, not only can the requirement for the insulation distance between the high-voltage side and the low-voltage side be ensured, but also the size and the weight of the wireless power transmission moduleare reduced.

The invention provides an LED (light-emitting diode) optical module and an LED chip. LED wafers (1) are arranged on a heat diffusion plate (3) which is made of copper, aluminum or copper-aluminum composite materials, the thickness of the heat diffusion plate is larger than 0.35mm, the area of the heat diffusion plate is more than five times of the total area of the LED wafers, and the purpose and the function of the heat diffusion plate is to reduce the heat-flow density; a high-voltage insulation sheet (2) bearing high-voltage insulation adopts a ceramic sheet such as aluminum oxide ceramic sheet, wherein the ceramic sheet is sintered into ceramic, is arranged at the other side of the heat diffusion plate (3) and insulates the heat diffusion plate together with an outer-layer insulation body (4). Injection or pouring process is adopted on the outer-layer insulation body, and THE outer-layer insulation body is formed together with the heat diffusion plate (3) and the high-voltage insulation sheet (2). The design can obviously reduce internal heat-conducting thermal resistance, improve the insulation strength of electricity and effectively lower the packaging cost.

The invention relates to an aerodynamic disc-shaped suspending type glass insulator replacing clamp which is suitable for operation of professionally replacing and adding a large-edge glass insulator under a live-working condition in the process of electricity transmission. According to the structure, the aerodynamic disc-shaped suspending type glass insulator replacing clamp is characterized in that a fixing girder is arranged between screw rods, a fastener is arranged on the fixing girder, and a socket clamp is connected with the lower portions of the screw rods. According to the aerodynamic disc-shaped suspending type glass insulator replacing clamp, the large-edge glass insulator can be replaced easily, the socket clamp is installed on angle iron arranged above a hanging point, ground electric potential operation is conducted by an operator, the operation is conducted in a position away from a strong electric field, safety of live-working is improved to a great extent, working intensity of the operator is reduced, operation cost is reduced, advantages are provided to the performance of the live-working, defect elimination can be conducted on the ground electric potential operation in time, safe and stable operation of a power network is guaranteed, reliability of power distribution of an electric transmission line is effectively improved and the aerodynamic disc-shaped suspending type glass insulator replacing clamp can be popularized and used in the professional electricity transmission and production easily.

The invention relates to a live working method for changing a double-circuit line triangularly-arranged linear pole into a strain pole. Comprising the following steps of S1, performing electricity testing on an insulator and a cross arm, S2, performing insulation shielding on an electrified body and a grounding body, S3, removing a binding wire, S4, lifting a three-phase wire, S5, fixing an insulation drainage wire bracket, S6, fixing the three-phase wire on a strain cross arm shielding cover, S7, performing breaking work on a near-side phase wire, S8, performing connection work on a near-side phase wire lead, and S6, performing connection work on a near-side phase wire lead. S9, connecting and disconnecting a far-side-phase wire and a middle-phase wire and connecting a lead wire; S10, dismounting a tension-resistant cross arm shielding cover; S11, dismounting an insulating drainage bracket; S12, dismounting an insulating shield; the wire lifting device has the advantages that due to the fact that lifting of the three-phase wire is achieved in the S4, the air gap and the safety distance between the wire and the cross arm can be effectively controlled, the safety performance during operation is greatly improved, the wire lifting device is remotely controlled by a ground electrician, the labor intensity of operators can be lowered, and the labor burden is relieved.

The invention relates to the technical field of electricity, and particularly relates to a high-strength aging-resistant totally-enclosed outdoor high-voltage alternating-current isolating switch. Theisolating switch comprises an underframe 1, a first post insulator 2, a second post insulator 3, a conductive loop, a static side contact finger seat 5 and a moving side contact finger seat 4, wherein the conductive loop comprises a conductive knife switch 9, a moving contact 10, a static contact 11, a moving side wiring board 8 and a static side wiring board 7; the conductive loop is of a totally-enclosed structure, and after the isolating switch is switched on, the conductive loop is completely enclosed in the insulating material. The invention also provides a rubber coating material. By coating the conductive knife switch, the insulating layer and the conductor are tightly attached, the strength, wear resistance, heat dissipation, aging resistance, impact strength, heat conductivity and processability of the conductive knife switch coating material of the isolating switch are improved, and the problems that the traditional coating material is poor in heat dissipation and mechanicalproperty and the coating layer is cracked and damaged due to heat are solved.

The invention relates to a device for eliminating overvoltage of a passing neutral section through a silicon carbide fiber rope. A neutral section of a contact network adopts a copper alloy conducting line, small-distance electrostatic induction enables distributed capacitors to exist between a neutral conducting line and power arm contact networks, electromagnetic energy is stored among the distributed capacitors, and electromagnetic oscillation overvoltage can occur when a locomotive comes in or goes out of an electricity slit phase. Supporting pillars Z1-Z8 are sequentially arranged on the power arm contact networks, the left power arm contact network is arranged at the end of a conducting line of the supporting pillar Z4 and is connected with the supporting pillar Z5, and a right power arm contact network is arranged at the end of a conducting line of the supporting pillar Z5 and is connected with the supporting pillar Z4. Silicon carbide fiber rope neutral lines are arranged between the supporting pillar Z1 and the supporting pillar Z8, and insulators are arranged on both the left power arm contact network and the right power arm contact network. The device for eliminating overvoltage of the passing neutral section through the silicon carbide fiber rope solves the problem that overvoltage enables a contact wire to be burnt down and causes a traction substation to trip when an electric locomotive passes through an articulated type electricity slit phase in the existing electrified electric railway, ensures a traction power supply system to operate safely and reliably and has strong practical value.

The invention provides a lightning-protection nanometer magnet choke device. A magnet inside a shell body is formed by combining two semi-circular nanometer magnets of the same diameter and the same thickness, a wire penetrating hole is formed in the center of the two combined semi-circular nanometer magnets, and a bolt connecting block and a bolt combined with the respective semi-circular nanometer magnets and used for fixing the two semi-circular nanometer magnets are manufactured at the two ends of one diameter line of the two combined semi-circular nanometer magnets respectively. The lightning-protection nanometer magnet choke device is an important component of a high-voltage electricity transmission line lightning-protection system, is buckled on an electricity transmission line at the two ends of an insulator chain, makes no electric contact with the electricity transmission line, has no line impedance and power frequency impedance, only has overvoltage impact impedance, has the functions of reflection, isolation, chromatic dispersion and radiation on lightning waves, can effectively restrain the spreading of line small current shielding failure lightning waves and prevent insulator shielding failure flashover, and is easy to install, free of maintenance and detection, low in operation cost and long in service life.

The invention discloses a connecting member and a combined connector thereof. The connecting member comprises a conductive connector and an insulator, joints of two ends of the conductive connector are of threaded connection structures, the length of the insulator covering the conductive connector is at least longer than the end face of the conductive connector so as to hide the conductive connector in the insulator, and workers are prevented from contacting with the conductive connector during mounting or maintenance. The connecting member can work with electricity and is simple to operate, and two or more than two connecting members are combined to form a plurality of combined connectors. The two connecting members are arranged in two insulated closed arc extinction chambers when abutted before contacting with the conductor, and are very safe.

The present invention relates to a cable comprising a first conductor and a first insulator layer, wherein the first conductor and the first insulator extend along a longitudinal axis of the cable, wherein the first insulator layer is axially external to the conductor, and wherein the first insulator layer comprises a first fluoropolymer, as well as a method of manufacturing said cable, and a method for transmitting electricity using the cable.

In a local cart traveling system, a frame track includes first and second metal rails each with an L-shaped cross section and facing each other. A local cart is within the frame track, and includes a first electricity receiving tire and a second electricity receiving tire to travel on horizontal travel surfaces of the rails. A voltage supplier supplies an AC voltage to the travel surfaces, so that the first metal rail and a first electricity receiving tire define a first capacitor and the second metal rail and the second electricity receiving tire define a second capacitor. The local cart includes a power receiver to receive AC power, and a travel motor that receives power after the AC power is rectified. The frame track includes a connecting plate as an electrical insulator covering portions of the surfaces of vertical walls of the first metal rail and the second metal rail.

The invention discloses a spark gap zero-value detector which comprises a holding rod, a support plate, an AC motor and a rotor wing. The support plate is in a half arc shape. A first discharge electrode and a second discharge electrode are fixedly disposed on the support plate at intervals, and are symmetrical with respect to the central axis of the half arc shape. A first probe and a second probe are fixedly disposed on both end portions of the half-arc support plate respectively. An insulator is shorted by the first probe and the second probe (spark gap probe), and a gap between the first probe and the second probe is subjected to breakdown by air under the effect of the distributed voltage of the insulator. When the leakage current of the insulator flows through a detection circuit and discharges electricity at the gap, the AC motor connected in series with the detection circuit is switched on to drive the rotor wing to rotate. Thus, a discriminate signal of a test result can be represented intuitively and discharge sound is given so as to avoid an influence of noisy environment on detection result determination and greatly improve detection accuracy and efficiency.

The invention provides a gallium oxide semiconductor structure, a solar-blind photodetector and a preparation method. The gallium oxide thin film can be successfully transferred by bonding the gallium oxide single crystal wafer to the top silicon in the silicon-on-insulator, and the bonding technology is mature. And by oxidizing the top layer of silicon in silicon-on-insulator, the problem of leakage can be effectively solved, high-quality, leakage-proof gallium oxide semiconductor structures can be prepared, and the performance of devices based on gallium oxide semiconductor structures can be improved. On the silicon substrate, the device is not only compatible with the CMOS process, but also can be mass-produced, which is of great significance for the rapid development of solar-blind photodetectors based on gallium oxide thin films.

The invention discloses a composite insulating cross arm for power distribution. The composite insulating cross arm comprises two insulating cross beams arranged symmetrically. A clamping mechanism isinstalled between the two insulating cross beams. First supporting mechanisms are installed on base faces of the two insulating cross beams. Two second supporting mechanisms are installed at the twoends of the insulating cross beams. The invention relates to the technical field of power distribution circuits. The composite insulating cross arm solves the problems that when a three-phase electricity is erected, six insulators usually need to be installed on an electric pole to fix three circuits, installing is inconvenient, meanwhile, connecting structures of the insulators and the electric pole are moving structures, and in this way, the circuits can wave easily and strongly under the effect of wind power.

A lightning transmission device between the rotor and the nacelle in a wind turbine, which comprises: a first electricity conductor platen, where one of its ends is separated at a distance with respect to a metal strip located at a root of each blade; a second electricity conductor platen, where one of the ends is separated a distance with respect to a gutter element; an electrical conductor between the first and second platen; an electrical insulator coupled to said first and second platens; which is also coupled to the hub of the wind turbine; and a relative displacement unit between the first and second platen, the unit configured to ensure a predefined distance between the end of the first platen and the metal strip; and between the end of the second platen and the gutter element.

The invention discloses a pure pneumatic type contactor. The contactor comprises a pneumatic structure, a mechanical holding structure, an insulator group and a contact part, wherein the pneumatic structure comprises an air cylinder cover, an air cylinder, an air generator, a pressing block, a first rubber pad, a second rubber pad, a baffle, a piston, a bearing and a reset spring, the insulator group comprises an insulator, an inner sleeve and an overtravel spring, the mechanical holding structure comprises a fixing ring, a hidden pin, a thrust spring, a locking bolt, a pushing block, a limiting block, a connecting rod and an opening spring, and a contact part comprises a moving contact, a static contact, an airtight insulating shell and a corrugated pipe. The contactor is advantaged in that the contactor is different from a traditional contactor based on the electromagnetic principle, the pure pneumatic type contactor completely replaces an electromagnetic mechanism, closing is achieved in a pneumatic mode, and traditional combination of electricity, magnetism and machinery is replaced with combination of electricity, gas and machinery, and the pure pneumatic contactor provided bythe invention can be applied to magnetic interference occasions.

The invention discloses a high-resistance flame-retardant PVC cable production device and a use method in the technical field of flame-retardant cable production, the high-resistance flame-retardant PVC cable production device comprises an extrusion cylinder, the right end of the extrusion cylinder is an extrusion end and is conical, and the upper end and the lower end of the extrusion cylinder are both communicated with storage boxes; in the working process, the downward pressing speed of the extrusion plate can be changed according to the wire conveying speed, the downward pressing speed of the extrusion plate determines the insulator extrusion speed of the extrusion barrel, when the wire conveying speed is changed, the extruded insulator can still wrap the wire, and the situation that the extrusion speed of the insulator is constant, and the insulator cannot be damaged is avoided. When the conveying speed of a wire changes, more insulators on the surface of the wire are stacked or less insulators on the surface of the wire are stretched, so that the diameter of the wire is greatly changed, the wire may leak electricity, and danger is caused during use; and the two material storage boxes can alternately and continuously work, so that the device is suitable for continuous and uninterrupted work.

An insulated power line double-tightening lightning protection insulator with an electricity testing grounding ring is characterized in that the upper end of an insulator main body is provided with ametal end, and the axis of the lower end of the insulator main body is provided with a metal screw rod; a jointing clamp is arranged at the top end of the metal end; the jointing clamp is composed ofa bottom plate, a top plate, a screw rod and a jointing clamp nut, a wire neck is arranged between the top plate and the bottom plate, and the protection insulator is characterized in that gradually-expanding ports integrated with the bottom plate are arranged at two ends of the wire neck of the bottom plate, and the inner circumferential surfaces of the gradually-expanding ports adjacent to the bottom plate are smoothly connected with the inner side of the wire neck. The protection insulator has the advantages that the extension groove and the divergent opening are added to the two ends of the wire neck of the wiring clamp bottom plate, and the bending angle of the divergent opening to the power line is arc-shaped, so that when the power line swings, the compression and stretching effectson the power line are greatly reduced, the damage effect of wind power on the power line is greatly reduced, and the operation safety of a power network is greatly improved.

The invention discloses a grid-electricity hybrid composite glass sintered watertight connector. The connector comprises a plug and a socket, the plug and the socket are plugged, the socket comprises a shell a, a plurality of coaxial shells a and a plurality of pins a, the plurality of coaxial shells a, the plurality of pins a and a plurality of pins b form a whole through a glass insulator a, the plug comprises a shell b, a plurality of coaxial shells c and a plurality of pins d, and the shell b, the plurality of coaxial shells b, the plurality of contact pins d and a plurality of contact pins c form a whole through the glass insulator b. The invention further discloses a composite glass forming process of the grid-electricity hybrid composite glass sintered watertight connector. The invention has the advantages that: on the basis of transmitting a plurality of groups of low-frequency signals, a function of transmitting a high-speed differential network signal is realized, and the internal longitudinal sealing and corrosion resistance are ensured to the maximum extent; the electrical performance is guaranteed to be not obviously reduced in the high-temperature and high-humidity environment, and corrosion is visible under the extreme condition; and the connector has good waterproof performance and can be used in a marine environment.

The invention discloses a low-voltage transformer used in the Gobi area. Its structure includes a box body, a front cooling fin, a side cooling fin, a top plate, a dust starting device, a scratch-proof porcelain bottle, and a braking device. The two sides of the box are welded with side cooling fins, the top of the box is equipped with a top plate, and the top plate is equipped with a scratch-resistant porcelain bottle. Electrically connected, the anti-scratch porcelain bottle includes an insulator, a pole, a wind vane, a casing, a pole, and a baffle. The sand and soil raised in the middle act as power to start the bushing to block the sand and dust, avoid sand and dust from scratching the bushing, automatically fix the bushing when there is no sandstorm, and avoid static electricity caused by meaningless rotation The function is to protect the surface of the casing and avoid the occurrence of flashover.

A modularized wireless earphone includes an inner module, a power supply unit, a loudspeaker and an outer casing. The inner module is provided with a circuit module and an insulated casing. The circuit module includes a detection juncture used for detecting, an ANT sensor, a receiving microphone and a control switch. The detection juncture, the ANT sensor, the receiving microphone and the control switch are interconnected electrically. The insulated casing is used to enclose the circuit module and expose the detection juncture, the receiving microphone and the control switch outside an insulation body. The power supply unit is interconnected with the circuit module electrically to provide electricity, the loudspeaker is interconnected with the circuit module electrically, and the outer casing is used to enclose the inner module, the power supply unit and the loudspeaker.

The present invention provides a thermal insulating and electric conducting apparatus for a PECVD reaction chamber. The thermal insulating and electric conducting apparatus is located in a PECVD reaction chamber at the temperature higher than 400oC, and the apparatus includes a thermal insulator made from thermal insulating materials and an electric conducting layer covered on the insulator, the thickness of electric conducting layer should be great than or equal to the skin depth of the electric conducting layer material. The present invention can achieve the effects of good thermal insulation and electric conduction in a high temperature PECVD chamber, and overcome the problem that the plasma field is affected by the floating potential generated by a heating panel owning to the thermal insulating material being also the electric conducting material in the prior art.