109 results about "Insulator (electricity)" patented technology

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 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.

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 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 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.

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 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 relates to the field of electricity, in particular to a high-strength all-insulation large-current direct-current bus fastening assembly, which comprises a first clamp, a second clamp, an insulator and a connecting plate, wherein the first clamp is composed of a first U-shaped clamping plate and first connecting tables arranged at the two ends of the first clamping plate, the second clamp is composed of a second U-shaped clamping plate and second connecting tables arranged at the two ends of the second clamping plate, the first connecting tables and the second connecting tables are fixedly connected through first bolts, the bottom of the second U-shaped clamp is connected with one end of the insulator, and the other end of the insulator is connected with the connecting plate.

The invention discloses an insulator charged dust removal device. The device comprises a base, moving wheels are symmetrically mounted on the bottom of the base, an air cylinder is mounted on the upper portion of the base, the free end of the air cylinder is connected with a moving column, the top end of the moving column is connected with a mounting base, a cavity is formed in the mounting base,and a driving motor is mounted in the cavity. Through an arc clamping plate, an insulator is clamped, through device moving, dust on the insulator is cleaned, meanwhile, during clamping, a cleaning rod moves outwards, an electric sensing piece on a protection column is driven to make contact with a charged sensor, it can be judged that whether an arc clamping plate leaks electricity or not, when electricity leakage appears, through a master controller, feedback of the driving motor is carried out, clamping of the arc clamping plate is omitted, and insulation of the device is improved.

The invention discloses a power-on dust removal device and a remote-control unit used in cooperation. The power-on dust removal device is characterized by comprising a trolley, a cloud deck and an injecting device. The cloud deck is arranged above the trolley. A control center is arranged in the cloud deck. The injecting device is arranged above the cloud deck. According to the technical scheme, the remote-control unit controls the dust removal device to clear and scrub dirt on an outdoor insulator, lifting of the dust removal device can be achieved, up and down moving and left and right moving of a nozzle can be achieved, an outlet of the nozzle is aligned to the insulator needing to be washed, detergent is sprayed to the surface of the insulator in a full covering manner to carry out clearing and scrubbing, clearing and scrubbing are carried out on the condition without cutting off electricity, the service life of the insulator is prolonged, electrical performance of the insulator isimproved, the great influence caused by power off is avoided, and the power supply service quality of power supply companies is improved.