222results about How to "Avoid electrification" patented technology

The invention relates to a device and a method for manufacturing an airflow melting electrostatic spinning nano-fiber non-woven fabric. The device for manufacturing the airflow melting electrostatic spinning nano-fiber non-woven fabric comprises a stock hoper, a screw extruder, a filter, a metering pump, a material path, a melt-blown die head, a hot-air pipeline, an air compressor, a heating device, a high voltage electrostatic generator and a receiving device. The material path is made of high thermal conductivity insulating ceramics. The method for manufacturing the nano-fiber non-woven fabric adopts the device disclosed by the invention and comprises the following processing steps: (1) preparing a polymer melt; (2) jetting nano-fibers by using airflow static electricity; and (3) moulding the non-woven fabric. The method for manufacturing the nano-fiber non-woven fabric of the invention adopts airflow-melting electrostatic spinning technology, avoids a problem of pollution of electrostatic spinning solvent, and is novel environment-friendly non-woven fabric manufacturing technology. In the manufacturing method, high voltage electrostatic is directly acted on the melt-blown die head; the melt has high and uniform charge; and simultaneously by utilizing drafting of the airflow, the prepared nano-fiber has the advantages of thin diameter and narrow distribution. The device can meet production requirements by improving the conventional melt-blown manufacturing device, and has low implementation cost and easy industrialization promotion.

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.

It is aimed to provide a laminated polarizing film having an antistatic function, where static electricity occurs less even if the protective film is peeled off to bond the laminated polarizing film to a liquid crystal cell, and where defects such as bright spots are not caused in display. The aim is achieved by a laminated polarizing film, wherein a reflective polarizing film and an absorptive polarizing film are laminated, and an antistatic layer is further laminated at least either on the outside of the reflective polarizing film or between the reflective polarizing film and the absorptive polarizing film.

The invention relates to extra-high voltage transformer oil and a production process thereof. The extra-high voltage transformer oil comprises the following components in percentage by weight: 75wt%-85wt% of naphthenic-base base oil, 12wt%-22wt% of dodecyl benzene, 10ppm-200ppm of a metal de-activating agent and 0.1wt%-3wt% of a light stabilizer. Compared with the prior art, the extra-high voltage transformer oil is low in cost, simple in formula and production process, convenient to use, excellent in comprehensive performances and in particular suitable for being used as extra-high voltage transformer oil.

The present invention provides an optical film having an adhesive agent, the optical film being provided with an adhesive agent layer obtained using a composition in which 0.3 to 12 parts by weight of an ionizable compound and 0.1 to 5 parts by weight of a cross-linking agent are compounded with 100 parts by weight of an acrylic copolymer of a monomer mixture comprising 80 to 96 wt% of (A-1), 1 to 15 wt% of (A-2), 0.1 to 5 wt% of (A-3), and 0.5 to 5 wt% of (A-4). (A-1) is a compound of formula (I) (R1 is a hydrogen or methyl, and R2 is a C1-14 alkyl), (A-2) is an unsaturated monomer having an aromatic ring, (A-3) is a compound of formula (II) (R3 is a hydrogen or methyl, R4 is an alkyl, and m is 1 to 8), and (A-4) is an unsaturated monomer having a polar functional group.

The invention relates to a solid electric heat accumulation device which comprises a thermal-insulation shell, a load-bearing wall, a resistance heater set, a heat accumulator, a thermal circulation system, a basic structure and a control system. The technical scheme is as follows: the resistance heater set directly powered by a power source is installed in each space established by the load-bearing wall in the thermal-insulation shell; the resistance heater set is formed by connecting a plurality of resistance heating units in series; the basic structure is composed of a cable trench, a load-bearing wall and a foundation; the heat accumulator is composed of a rectangular-solid assembly array; the rectangular-solid assembly is made of cast iron or refractory steel, the inside of which is provided with a heat accumulation material; and the thermal circulation system is a closed air duct formed by tightly connecting a circulating path, a heat exchanger, an air regulator and a fan component arranged on the external surface of the thermal-insulation shell, thereby completing the output of the heat energy to the heat user. Compared with the solid electric heat accumulation device manufactured by the prior art, the solid electric heat accumulation device provided by the invention can reduce the equipment volume, lowers the cost for electric heating components, and prevents the heat accumulator from being electrically charged.

The invention relates to a socket, in particular to a convenient one-handed socket, and belongs to electrical products. At least one window for placing a movable platform is formed in an upper cover of the socket, the movable platform can move up and down in the window, and plugholes are formed in the movable platform; a spiral spring is arranged on a base plate, the center line of the spiral spring is overlapped with that of the movable platform in positions, and the top of the spiral spring is in contact with the movable platform. The convenient one-handed socket is provided with the movable platform capable of lifting up and down, when a plug is inserted in the socket, the plug is pressed together with the platform, the plug is maintained at the lower limiting position of the platform together with the platform while switching on a power supply, and when the plug needs to be pulled out, the plug is held with only one hand to be pressed downwards, the platform can be bounced, so that the purpose of pulling out the plug with one hand is realized, and other tools are not needed; particularly, the convenient one-handed socket has higher practical value for inserting and pulling-out of the plug on the socket placed at a narrow spatial position, and the problem of electrification in inserting and pulling processes is avoided to realize safe operation.

The invention discloses a surgical instrument for a minimally invasive surgical robot and a minimally invasive surgical robot. The surgical instrument comprises a base, a front-end driving portion, a guide rod portion and a tail-end execution portion. The front-end driving portion comprises an opening-closing driving device, a deflection driving device and a rotation driving device. The opening-closing driving device is mounted on the base through a first transmission shaft, the deflection driving device is mounted on the base through a second transmission shaft, the rotation driving device comprises a driving gear and a driven gear, and the driving gear is mounted on the base through a third transmission shaft.

The invention provides a blanking apparatus of optical membrane and blanking method of optical membrane. The said blanking apparatus can prevent the dust adhere to the optical membrane by suppressing generating statical electricity on blanking optical membrane. The blanking apparatus of optical membrane comprises mat and blanking cutter for loading optical membrane to blank the optical membrane loaded on the mat, wherein the surface opposite to the blanking cutter contact surface on the said mat is performed conduction treatment.

An all-function safety plug comprises a phase pole, a zero pole, a ground pole, a zero sequence current mutual inductor, a test loop, an amplifying circuit, a direct-current power supply, a controlled silicon, and a release; the phase pole, the zero pole and the ground pole are provided with switches; the zero sequence current mutual inductor is arranged between a phase line and a zero line; a ground wire is connected with a static contact by a movable contact elastic trip; the zero sequence current mutual inductor passes through the ground wire; the output end of the zero sequence current mutual inductor in the ground wire is connected with a capacitor and a resistor in parallel; one output end of a ground wire mutual inductor is connected with the triggering electrode of another controlled silicon, while the other output end of the ground wire mutual inductor is connected with the cathode of a rectification circuit; and the anode and the cathode of the controlled silicon is connected with the anode and the cathode of the rectification circuit. The plug has the advantages that by another controlled silicon, even if the ground wire is electrified unexpectedly under the condition that the controlled silicon between the phase line and the zero line or the amplifying circuit are in failure, the power supply can still be immediately cut off, thereby stably and reliably preventing the ground wire to be electrified, and ensuring the personnel safety of users. Furthermore, the zero sequence mutual inductor between the phase line and the zero line does not interfere with the zero sequence mutual inductor of the ground wire, so that the reliability is good. In addition, the cost is saved.

The invention discloses an integrative antistatic release film with an antistatic function and a release function as well as a manufacture method of the film. The release film comprises a substrate and an antistatic coating I, wherein the substrate consists of a polyethylene glycol terephthalate (PET) film, and the antistatic coating I is coated on the substrate and consists of ethyl silicate systems. The PET film and oxhydryl (OH) in organic siloxane absorb moistures (the combination of H3O<+> and OH<->) in the air, and the surface resistance of the release film is reduced, so the release function is realized, the substrate electrification is prevented, in addition, the antistatic coating consisting of the ethyl silicate systems has good electric conductivity, the static on the surface of the release film can be brought away, and the static removal effect is reached and is very stable and good. Further, the integrative antistatic release film and the manufacture method have the advantages that the firmness of the surface of each layer is high, the friction resistance is realized, in addition, the manufacture process is simple, and the production cost is low.

A heat-sensitive recording material including at least one heat-sensitive recording layer and a protective layer provided in this order on a support, wherein the protective layer contains a compound represented by the following Formula (1) and/or a compound represented by the following Formula (2), a method for manufacturing the heat-sensitive recording material, and a heat-sensitive recording method using the heat-sensitive recording material provided.

The invention discloses a measuring method for a leakage current of a zinc oxide arrester. The measuring method comprises the steps of: connecting a high-voltage output end of a DC high voltage generator with a ''-'' wiring end of a first DC ammeter, connecting a ''+'' wiring end of the first DC ammeter to a joint of an upper segment lightning arrester and a lower segment lightning arrester, connecting a voltage testing end of the DC high voltage generator with a DC microammeter, and grounding the tail end of the DC high voltage generator; connecting a voltage-dividing resistor with a resistance value ranging from 25 kilo-ohm to 35 kilo-ohm with a discharge counter in parallel and then connecting the voltage-dividing resistor with the lower end of the lower segment lightning arrester, and grounding the tail end of the voltage-dividing resistor; disconnecting the lower segment lightning arrester from the discharge counter, initiating the DC high voltage generator, and taking the reading of the DC microammeter as 1mA voltage of the upper segment lightning arrester when the reading of the first DC ammeter reaches 1mA. The measuring method avoids the potential safety hazards of high-altitude disconnection and connection of high-voltage lead wire operation, and improves the working efficiency and measurement precision.

A semiconductor embedded module 1 of the present invention has a configuration in which a semiconductor device 20, which is an electronic component such as a semiconductor IC (die) in a bare chip state, is embedded in a resin layer 10 (second insulating layer). In the semiconductor device 20, a redistribution layer 22 is connected to land electrodes. A protective layer 24 (first insulating layer) is provided on the redistribution layer 22, and is provided with openings such that external connection pads P of the redistribution layer 22 are exposed. Also, the resin layer 10 is formed to cover the protective layer 24, and vias V are formed at the positions of the respective external connection pads P of the redistribution layer 22. The grinding rate of the resin layer 10 is larger than that of the protective layer 24.

The invention discloses an anti-explosion power supply device of an electric vehicle. The anti-explosion power supply device comprises a power supply box body (1), a box cover (1), a storage battery (8), a connection box (3) and a charging socket assembly (4), wherein a main power supply switch (6) is connected with the connection box (3); the charging socket assembly (4) is hinged with a socket cover plate (5) capable of separating the outside; a first electromechanical interlocking device is arranged between the main power supply switch (6) and the socket cover plate (5); a second electromechanical interlocking device is arranged between the charging socket assembly (4) and the storage battery (8). By using the structure, the phenomenon that the charging socket is charged when the charging socket is not charged or the main power supply switch is turned off can be avoided, so that the safety performance is greatly improved.