4419 results about "Electrification" patented technology

The invention provides a friction generator. The friction generator comprises two electrodes; the electrode comprises a macromolecular polymer insulating layer; a micro-nano concave-convex structure is arranged on one side surface of the macromolecular polymer insulating layer, and a metal film is arranged on the other side surface; the surface of the electrode micro-nano concave-convex structure of one insulating layer is directly attached to the surface of the electrode micro-nano concave-convex structure of the other insulating layer, and the two are fixedly connected through the outer edge; and the metal film is an electrode for outputting voltage and current of the friction generator. The invention provides a novel and effective method for obtaining energy by use of the friction effect. The friction generator generates electric energy by use of the potential change of the internal electrification by friction and the inductive effect of the metal pole plates on the two sides; and the method is simple and efficient and the cost is low.

The invention provides a friction generator, which comprises a first electrode, a second electrode and an intermediate film, wherein the first electrode comprises a first macromoleclar polymer insulation layer of which one side surface is provided with a conductive film; the second electrode comprises a second macromoleclar polymer insulation layer of which one side surface is provided with a conductive film; the intermediate film is fixed on the other side surface of the second macromoleclar polymer insulation layer; the non-fixed surface of the intermediate film is provided with a micro-nano concave-convex structure; the surface of the micro-nano concave-convex structure of the intermediate film on the second electrode and the surface without the conductive film of the first electrode are oppositely fit and are mutually fixedly connected; and the conductive film of the first macromoleclar polymer insulation layer and the conductive film of the second macromoleclar polymer insulation layer are both the voltage and current output electrodes of the friction generator. The invention provides an innovated and effective method by the friction action, and electricity energy is generated by the variation of internal friction electrification electric potential and the induction effect of metal pole plates on two sides. The method is simple and efficient and has low cost.

A charging system of electric vehicles comprises: a delivery box 100 having a plurality of article storage boxes 104 each locked or unlocked by electrically operated locking devices 1042, 1043, the article storage boxes 104 being used to receive delivered or mailed articles in apartment buildings; delivery box controller 101 for controlling locking and unlocking of the locking devices 1042, 1043; a power supply circuit 202 for electrically charging the electric vehicles 300; and a control circuit 201 for controlling the power supply circuit 202, wherein the delivery box controller 101 regulates electrically charging services of the electric vehicles through the power supply circuit 202 and electrification controller 201 in addition to controlling operation of the locking devices 1042, 1043 for the delivery box 100.

The invention provides a self-powered pressure sensor which comprises a first induction electrode, a second induction electrode and an intermediate film. The first induction electrode comprises a first macromolecular polymer insulating layer, wherein a conductive film is arranged on the surface of one side of the first macromolecular polymer insulating layer. The second induction electrode comprises a second macromolecular polymer insulating layer, wherein a conductive film is arranged on the surface of one side of the second macromolecular polymer insulating layer, and the intermediate film is fixed on the surface of the other side of the second macromolecular polymer insulating layer. The non-fixed surface of the intermediate film is provided with a micro/nano concave-convex structure. The surface of the micro/nano concave-convex structure of the intermediate film on the second induction electrode is just oppositely attached to and fixedly connected with the surface of the first induction electrode not provided with the conductive film, and the conductive film on the first induction electrode and the conductive film on the second induction electrode are both induction signal output poles. The self-powered pressure sensor is ingeniously made by utilizing a principle of electrification by friction and has the advantages of being high in sensitivity, easy to prepare, low in cost, good in stability in use and quick in response speed and the like.

A generator for converting mechanical energy or hydropower or wind energy into electrical energy is disclosed. The generator includes a first member and a second member in contact with the first member to generate triboelectric charges. The second member rolls against the first member to generate a flow of electrons between two electrodes. Another embodiment of the generator includes two electrodes, and a member in contact with the two electrodes to generate triboelectric charges. The member rolls against the electrodes to generate a flow of electrons between the two electrodes.

Systems, apparatus, and methods are presented to transfer energy between an energy storage device (ESD) at an electrified vehicle (EV) and an AC or DC external load such as an electric grid, appliance or power tool. A portable EVETA can engage an EV charge inlet couple an EV, and can provide an AC outlet, a grid interface and a DC connector for coupling external loads. An EVETA can be used at a remote construction site or campsite to power high current equipment, obviating the need to transport an electric generator. An EVETA can be configured for data and control communication with the EV to coordinate energy transfer. An EVETA can receive a predetermined ESD state of charge limit so that the transfer process can be terminated to preserve sufficient charge for EV return to a desired destination. A human machine interface enables user input reception and information display.

The invention relates to a contact system, power pack and energy storage device hybrid-powered CRH train traction system, which is characterized by mainly comprising a traction transformer, a power pack, an energy storage device, a traction converter and a traction motor, and a contact system is connected with the primary side of the traction transformer through a pantograph, and the two secondary windings of the traction transformer are directly connected with the traction converter; the traction converter is connected with the traction motor, and a diesel engine and a generator form the internal combustion power pack; and the three-phase output of the generator is directly connected with the traction inverter, and the energy storage device is connected with the intermediate DC bus of the traction converter. The traction system can run simultaneously on electrified and non-electrified lines, and can rescue self through power supplied by the power pack and the energy storage device.

The invention provides a modified polypropylene master batch, melt-blow cloth, a preparation method and an application thereof. The modified polypropylene master batch is mainly produced from, by weight, 77-90% of polypropylene, 5-20% of a graphene material and 1-5% of an additive. The graphene material includes any one or more of graphene, graphene oxide and graphene derivative. The additive includes any one or more of a coupling agent, a dispersant and an antioxidant and preferably includes the coupling agent, the dispersant and the antioxidant. The modified polypropylene master batch, when being used for manufacturing the melt-blow cloth, not only improves antibacterial and electrification property but also increases the filtering efficiency and dust capacity of the melt-blow cloth.

The invention discloses a measuring device and method for a trap parameter of solid dielectric. The solid dielectric material is charged by using a three-electrode corona discharge system; a material sample to be tested is placed below a single-needle electrode and a metal mesh electrode; the sample is adhered to a metal disc electrode through conductive silicone grease and is charged by the three-electrode system; after charging is ended, an external voltage is removed, and short circuit discharge is performed to remove surface free loads; surface potential of the measured sample is attenuated; and the trap energy level and the trap density parameter of the material can be calculated through a signal conditioning circuit and a data acquisition system. The measuring device comprises a constant temperature box, the three-electrode coronate charging system, a surface potential measuring system, a sample preheating system, a rotary electrode and a temperature and humidity control system. The invention provides an effective analysis means for research in representation of an aging condition of a polymer insulating material and an aging rule of polymer by the trap parameter and research in aspects such as a solid dielectric surface electrification phenomenon and surface flashover performance influence.

Method of commerce and system components that enable the sale of electricity on-request to independent vehicle operators for propulsion. Electricity could be delivered by conventional roadway overhead electric line components (see FIG. 2). Vehicles would be equipped with a computer-like component that contains an electricity meter, flow switches, and wireless communications capabilities (see FIG. 14) to communicate with an operations (12) computer site. Site would have customer credit profiles for approving distribution, wirelessly requested from customer vehicles. Vehicles would be additionally equipped with a robotic collector module (51). If implemented on a highway, the driver would request service while driving in an electrified lane via a user interface and, if approved, the robotic collector module (51) handles engaging electrical contact and disengaging when needed. Customer would be electronically billed for the electricity used. There is a continuous roadside monitoring network for improved safety and vehicle authentication (see FIG. 11, 12).

The invention belongs to the technical field of power electronic device measurement and particularly relates to a device and a method for dynamic characteristic measurement of an IGBT. The device mainly comprises a voltage regulator, a transformer, a rectifier bridge, a bus capacitor, a discharge resistor, a first relay, a second relay, a main control panel, an auxiliary control panel, a protection circuit, an IGBT power module, a load inductor, a current sensor, a shielding box and an oscilloscope. Firstly, the first relay is switched on, the second relay is disconnected, the voltage regulator is zeroed after being adjusted to be at the voltage to be detected, and the first relay is disconnected; secondly, electrification is implemented, and the oscilloscope obtains a dual-pulse signal, IGBT two-end voltages and collector electrode current waveforms. The crosstalk of different signals, interference of a space magnetic field on measured signals and other factors are excluded, high-accuracy dynamic process waveforms can be obtained, and the device and the method have good reproducibility on delay and overshoot of voltage and current signals. The load inductor with a tap enables the circuit to be adjustable, and the device and the method can be used for measurement of different devices.

A three-busbar two-section switch standby self-casting apparatus, belonging to power distribution field, includes two power supply lead-in circuit breakers, three busbar segments and two section breakers. Two standby self-casting devices being mounted on the position of the two section breakers; the standby self-casting device being equipped with a current detection loop, a voltage detection loop and a control circuit; the current detection loop using the signal of a two-path lead-in current transformer as ''non stream'' criterion, and using the current signal of the corresponding section breaker as ''over current'' criterion; while the voltage detection loop using the voltage signals of the two busbar segments, neighboring the corresponding section breaker, as ''pressure/non-pressure'' criterion. The standby power supply self-casting device includes a electrification discrimination circuit, a first and a second startup condition judgment circuit, a standby self-casting motion circuit and a rear acceleration motion circuit. The invention also discloses standby self-casting method for the apparatus. The apparatus implements power supply rapid automatic switching when the lead-in is failure under different running modes of the three-section busbar, and ensures the power supply reliability under accidents status.

An object of the present invention is to provide an electrostatic pressure-sensitive adhesive composition which is excellent in antistatic property of pressure-sensitive adhesive sheets upon peeling, and has reduced stainability in an adherend (subject to be protected) and is excellent in adhesion reliance, and electrification preventing pressure-sensitive adhesive sheets and a surface protecting film using the same. There is provided a pressure-sensitive adhesive composition, which comprises a (meth)acryl-based polymer containing, as a monomer component, 15 to 100% by weight of a (meth)acrylic acid alkylene oxide adduct, 0 to 85% by weight of a (meth)acryl-based monomer having an alkyl group of a carbon number of 1 to 14 other than the adduct, and 0 to 85% by weight of other polymerizable monomer, and an alkali metal salt.

A balloon catheter is provided with a balloon on the tip of a main shaft. The balloon catheter is provided with: protruding parts that are furnished on the outer surface of the balloon and protrude outward from the outer surface of the balloon at least when the balloon is expanded; and electrodes that are furnished on the leading edges of the protruding parts in the direction of protrusion and are capable of transmitting energy to living tissue. The leading edge electrodes can thereby be delivered near the desired site of treatment by thrusting the protruding parts into living tissue and, in this configuration, energy is transmitted to said treatment site.

The present invention provides a dicing die bond film in which peeling electrification hardly occurs and which has good tackiness and workability. The dicing die bond film of the present invention is a dicing die bond film including a dicing film and a thermosetting type die bond film provided thereon, wherein the thermosetting type die bond film contains conductive particles, the volume resistivity of the thermosetting type die bond film is 1×10⁻⁶ Ω·cm or more and 1×10⁻³ Ω·cm or less, and the tensile storage modulus of the thermosetting type die bond film at −20° C. before thermal curing is 0.1 to 10 GPa.

This invention discloses a surface treatment method for Mg-based material. The method comprises: (1) performing micro-arc oxidation treatment on Mg or Mg alloy work piece as the anode in a Cl--free alkaline micro-arc oxidation electrolyte; (2) activating; (3) performing preliminary chemical plating of Ni; (4) performing chemical plating of Ni; (5) performing thermal treatment. The micro-arc oxidation treatment comprises: (1) applying a positive pulse with an average current density of 5-20 A/dm2 until the voltage is automatically elevated to a critical value, and applying a constant working voltage of 50-80 V (total time = 5-30 min); (2) applying a positive pulse of 30-300 V and a negative pulse of 0-200 V with an average current density of 0.5-15 A/dm2 (total time = 10-60 min). The activation comprises: (1) performing anode alkaline coarsening treatment for 3-10 min; (2) performing surface activation treatment; (3) performing cathode alkaline electrification reduction activation treatment; (4) performing cathode acidic electrification dispergation activation treatment. The treated Mg alloy work piece has high corrosion resistance of ceramic materials and the properties and touch sense of metal materials.

The invention provides an unmanned aerial vehicle take-off or landing control system which comprises a magnet assembly arranged on the side of an unmanned aerial vehicle and a magnetic field assembly arranged on the side of a parking apron. An electrification coil is arranged in the magnetic field assembly. Current is introduced into the electrification coil. A supporting magnetic field is generated by the magnetic field assembly on the side of the parking apron, so that thrust acting on the unmanned aerial vehicle is formed. Resultant force is formed by the thrust and lift force or resistance in the unmanned aerial vehicle take-off or landing process to supplement the lift force or the resistance. The invention further provides an unmanned aerial vehicle take-off or landing control method. In the unmanned aerial vehicle take-off and landing processes, the current of the electrification coil is changed to form the even magnetic field, the thrust acting on the unmanned aerial vehicle is generated to supplement the lift force or the resistance in the take-off and landing processes, the safety performance of the unmanned aerial vehicle is improved, the use energy consumption of the unmanned aerial vehicle is reduced, and the service life of the unmanned aerial vehicle is prolonged.

In an image forming apparatus, in accordance with formation of paper, there are controlled parameters; that is, a color conversion parameter pertaining to a color conversion section 23 of a drawing section 22; a parameter pertaining to a correction curve of an TRC.gamma correction section 24 or a parameter pertaining to the number of screens or a growth pattern of a screen processing section 25 provided in a printer engine control section 12; parameters for use in adjusting electrification, exposure, and a voltage to be used during a developing operation, which are employed in a printer engine 13; a parameter for adjusting a voltage or current during a transfer operation; and a parameter for adjusting a fixing temperature or pressure. Parameters are controlled so as to reduce inconsistencies, which would otherwise arise in paper of poor formation. Thus, picture quality of an image is improved while inconsistencies are made less noticeable.

The invention relates to a miniature self-locking electromagnetic valve. The electromagnetic valve comprises a permanent magnet, an electromagnetic coil, a flange flux sleeve, a cylindrical magnetic shield, a magnetic insulation limit pad and a boss, wherein the permanent magnet is arranged between a valve seat and the lateral surface of a valve plug, and is close to the end surface of the valve seat; the electromagnetic coil is a single-coil electromagnetic coil capable of normal and reverse electrification; the flange flux sleeve is arranged among the permanent magnet, the valve seat and the valve plug; the cylindrical flux insulation sleeve is arranged between the electromagnetic coil and the valve plug; the inner end surface of the valve seat is provided with the magnetic insulation limit pad; and the boss is arranged on the end surface contacted with the valve body on the valve plug. The electromagnetic valve solves the technical problems that the conventional electromagnetic valve cannot meet the requirement of a micro-propulsion system on the power consumption and quality of the electromagnetic valve, and is the miniature self-locking electromagnetic valve with small mass, simple and reliable structure, low power consumption and quick response time.