95results about How to "Reduce current intensity" patented technology

The invention discloses an antifriction bearing multi-functional fatigue life test bed which comprises a drive part, a test part, a loading part, a control part and a data acquisition part, wherein the drive part comprises an electromotor, a polywedge belt wheel, a polywedge belt and a special polywedge belt wheel; the test part comprises a test main shaft, a supporting bearing, a supporting bearing pedestal, a test bearing, a test bearing box, a test bearing box bracket, a test bearing box bracket fixing truss, a bearing thrust ring and an oil seal ring; the loading part comprises a pull rod, an armature, an electromagnet array, an electromagnet array base, a nut and a plurality of weights; the control part comprises a computer, a current controller and a programmable power supply; and the data acquisition part comprises a vibration sensor, a temperature sensor, a pressure sensor and a vibration, temperature and pressure data acquisition system. The antifriction bearing multi-functional fatigue life test bed can be used for carrying out a fatigue life test on single or multiple antifriction bearings and can apply different loading methods to each antifriction bearing respectively.

The embodiment of the invention discloses an array substrate, a display device and a manufacturing method, and relates to the technical field of display devices. A second area of a transparent oxide active layer is used for forming a first electrode plate of a storage capacitor, so that the aperture ratio of the array substrate is increased. The array substrate comprises the oxide active layer and a pixel electrode, wherein the oxide active layer comprises patterns of first and second areas of the oxide active layer; the pixel electrode and the corresponding part of the second area of the oxide active layer form the storage capacitor; the second area of the oxide active layer forms the first electrode plate of the storage capacitor; the pixel electrode opposite to the second area of the oxide active layer forms a second electrode plate of the storage capacitor; and a film layer between the first and second electrode plates form a dielectric substance of the storage capacitor.

A process for preparing the anode catalyst Pt / PANI / MWNT able to be directly used for methanol fuel battery includes such steps as adding sulfuric acid solution containing disperser into container, adding multi-wall carbon nanotubes, ultrasonic oscillating, adding phenylamine and ammonium persulfate solution, reacting, washing, baking to obtain polyphenylamine / multi-wall carbon nanotubes carrier, adding additive contained buffering solution of acetic acid, ultrasonic oscillating, adding chloroplatinic acid solution, continuous oscillating while heating and dropping sodium borohydride solution, reacting, filtering, washing and baking.

The vibrator of the actuator consists of the two or more blocks of high tensile magnet, the two outboard magnet plates are the one of more middle magnet plates assembled, according to the desired sequence in series. The thickness of the magnet plates in middle of the vibrator is thicker than the outboard magnet plates. Two magnets with their homopolars face to face clamp the magnet plates in middle. The coil holder, the magnet coil and the magnet outer tube are cemented as one body. The through bolt and the sheet spring connect the vibrator and the magnet outer tube. The shortened magnetic circuit, the reduced magnetic resistance and more magnet plates utilized make the effective turns of the magnet coil increase greatly so as to increase the exciting force of the actuator greatly.

The invention provides a novel method for increasing high linear speed and prolonging the sealing life of static magnetic liquid, and belongs to the field of mechanical engineering sealing. The method solves the problem that the calorific value of magnetic liquid in a sealing gap of an existing magnetic liquid rotary sealing device is too high and accordingly service life is lowered, and solves the problem that in the static sealing process, a magnetic liquid agglomeration phenomenon occurs due to the action of a long-time stable strong magnetic field, and accordingly sealing performance is reduced. According to the method, outer cylindrical faces of N cylindrical permanent magnets (3) are sleeved with N iron core rings (9), and electromagnetic coils are wound around the outer cylindrical faces of the N cylindrical permanent magnets provided with the iron core rings. The electromagnetic coils are connected with an external power supply to generate an electromagnetic field; by changing the direction and the size of current and changing the magnetic field intensity applied to the magnetic liquid, problems existing when the magnetic liquid is used in rotation sealing of the high linear speed and static sealing can be solved; the iron core structure can increase the intensity of the electromagnetic field, improves the magnetism gathering effect and further prolongs the service life of the magnetic liquid.

The invention discloses a subsea pipeline floating ball type flexible washing protection device. The subsea pipeline floating ball type flexible washing protection device is composed of three or more floating ball protection units, wherein each floating ball protection unit comprises a ballasting block body and a floating small ball; the ballasting block bodies and the floating small balls, and the floating small balls are connected by connection ropes; the floating ball protection units are distributed at the periphery of a subsea pipeline to form a protection layer similar with a porous screen plate. The device has lower construction cost and is very convenient to construct; the whole protection device can be directly thrown into water to construct after being positioned under the conditions that the water flow speed is smaller and the water depth is moderate; the volumes of the small balls are slowly expanded and become large under the water under the condition that the water flow speed or the water depth is larger, so that the offset distance of the whole device is reduced; the mounting precision is improved or the construction can be carried out at the position which has a certain distance from a mounting position; the positioned construction is realized under the action of water flow. The method can be used for effectively reducing the water flow speed at the periphery of silt, accelerating the starting speed of the silt, and improving the anti-washing capability of the silt at the periphery.

The invention provides an electromagnetic relay which comprises a base, a control circuit and an output circuit. A vertical column vertical to a base plane is arranged at the center of the base. The top end of the vertical column is movably connected with the middle part of an armature. A movable contact is arranged on one end of the armature. An electromagnet is arranged at the position corresponding to the base plane below one side of the armature. The electromagnet and the control circuit are connected. The other side of the armature is connected with the base through a reset spring. A permanent magnet is arranged on the top end of an iron core in the electromagnet. A fixed contact which is used with the movable contact is arranged below the movable contact. The fixed contact and the output circuit are connected. The electromagnetic relay provided by the invention has the advantages that the electromagnetic relay has the advantages of simple structure and convenient use; current strength required by maintaining the work of the electromagnetic relay is effectively reduced; and energy loss is reduced.

The present invention provides a thermocouple and a temperature sensor. The thermocouple includes an N type component and a P type component, wherein the N type component is connected with the P typecomponent through a conductive material. According to the thermocouple provided by the invention, the N type component is connected with the P type component through the conductive material; and the conductive material fills a gap of the joint of the N type component and the P type component; and therefore, a contact area between the N type component and the P type component is increased, conductivity can be improved, and as a result, tiny temperature measuring current signals can be amplified, and the temperature measuring performance of the thermocouple can be improved.

The invention provides a super-junction VDMOS device comprising a first conductive type heavily doped semiconductor substrate, a metallized drain electrode, a first conductive type semiconductor column region and a second conductive type semiconductor column region. The first conductive type semiconductor column region and the second conductive type semiconductor column region are provided with three regions in which the doping concentration increases in sequence from bottom to top. The doping concentration of the P / N column uses a variable doping distribution which increases from bottom to top and the carrier lifetime of the JFET region is shortened by carrier lifetime control so that the current intensity flowing through the base region of the super-junction VDMOS uisng the structure canbe reduced, the conduction of the parasitic triodes inside the super-junction VDMOS can be effectively suppressed and the possibility of SEB of the device can be reduced. Meanwhile, the high doping concentration in the upper part of the P / N column forms a high barrier under the JFET region and the upper part of the P / N column so that the charge accumulation rate under the gate can be slowed downand the occurrence of SEGR can also be effectively suppressed through the carrier lifetime control of the JFET region.

The invention relates to a spin wave phase shifter based on polarization current control, and belongs to the technical field of magnon devices. The spin wave phase shifter comprises a spin wave waveguide 4, a ferromagnetic layer located above the spin wave waveguide, a heavy metal layer 2 located on the ferromagnetic layer 1 and two electrodes 3 which are connected with two ends of the heavy metallayer and used for introducing current, wherein there is a spacing between the spin wave waveguide 4 and the ferromagnetic layer 1, the long side of the ferromagnetic layer is perpendicular to the transmission direction of the spin wave waveguide, the ferromagnetic layer is of an asymmetric structure so as to generate shape anisotropy. The spin wave phase shifter based on polarization current control realizes the control through an SOT effect, and the required current intensity is small. Compared with the overturn of the existing polarization current control ferromagnetic materials, the relaxation result of the ferromagnetic layer depends on the shape anisotropy thereof and can be implemented by only introducing current pulse for a short time, and the efficiency and energy consumption aremore advantageous.

The invention discloses an industrial fabric with a traction coating. An industrial fabric used in the manufacture or processing of at least one material web includes a base fabric having a board side and a machine side. The base fabric includes a plurality of spirals extending in a cross machine direction (CMD). The spirals are interconnected together with each other along adjacent peripheral edges to form a spiral link fabric. The base fabric has opposite lateral side edges extending in a machine direction (MD). One or more electrostatic control yarns are positioned within a corresponding spiral and extend in the CMD direction to the lateral side edges. A pair of conductive edge coatings is applied to at least the board side of a respective lateral side edge for a predetermined width. The conductive edge coatings and the one or more electrostatic control yarns form an electrostatic grid. A traction coating covers substantially all of at least the board side of the base fabric, but does not cover the pair of conductive edge coatings. The traction coating has a coefficient of friction greater than approximately 2 on the board side.

The invention relates to a device and a method for limiting the rail potential in a DC railway, a low-impedance link (8) being arranged between the rail (1) and the ground (2) below the structure. A switchgear (7) which is connected to a control unit (4) via a control line is connected to the link (8), while the control unit (4) is connected to a voltmeter (3) that is arranged between the rail (1) and the ground (2) below the structure. According to the invention, the switchgear (7) comprises a contactor coil (6) that is connected to a dynamic control unit (4). The switchgear (7) closes and thus connects the link (8) in a conducting manner when the voltage between the rail (1) and the ground (2) below the structure exceeds a threshold value.

This invention relates to a kinds of lithium / ferrous dioxide battery comprising: a positive pole, a negative pole and electrolytic solution system. Said positive pole is made of high purity lithium, and said negative pole is made of: ferrous dioxide 80-90 parts, acetylene-black 2.5-5 parts, graphite 2.5-5 parts, polyvinylidene fluoride 5-10 parts. Due to the production of pole sheet is under non-water condition, so the oxygenolysis of said ferrous dioxide is reduced with increasing electric property of the product. The battery with coated pole sheet gives less physical internal resistance, so it has the improved property of large current work. The thin film pole sheet can reduce current intensity per unit area, lower chemical reaction speed in the pole sheet, resulting through reaction, increasing the utilization rate of active substance of ferrous dioxide.

The invention discloses a fruit-and-vegetable cultivating frame saving water resources. The fruit-and-vegetable cultivating frame comprises a fixing frame, a water pump is arranged on one side face ofthe fixing frame, a first water delivering pipe is fixedly communicated to the top of the water pump, a second water delivering pipe is fixedly communicated to the end, away from the water pump, of the first water delivering pipe, the end, away from the first water delivering pipe, of the second water delivering pipe penetrates through the outer surface of the fixing frame and extends inside thefixing frame, the top of the second water delivering pipe is fixedly connected with the inner top wall of the fixing frame, a stepper motor is arranged on the side face, away form the water pump, of the fixing frame, a rotating rod is fixedly connected to the output end of the stepper motor, the end, away from the stepper motor, of the rotating rod is sleeved with a first gear, the inner wall of the first gear is fixedly connected with the outer surface of the rotating rod, and the outer surface of the first gear is sleeved with a rack. The fruit-and-vegetable cultivating frame saving the water resources has the advantages that the structure is simple, the photic angles of fruits and vegetables can be adjusted, and water recycling is achieved.

The invention relates to the technical field of an intelligent switch / socket panel, especially to a backlight button, capable of automatically adjusting brightness according to ambient light intensity change, of the switch / socket panel. The backlight button comprises a touch button arranged on the switch / socket panel; the touch button is internally provided with a backlight lamp control circuit; and the backlight lamp control circuit comprises a backlight lamp, a triode, a photosensitive sensor and a power supply, wherein one end of the backlight lamp is connected to the power supply via a first resistor, the other end of the back lamp is grounded, the emitter electrode of the triode is connected with the power supply, the collector electrode of the triode is connected between the first resistor and the backlight lamp via a current-limiting resistor, the base electrode of the triode is connected with one end of the photosensitive sensor via a second resistor, the other end of the photosensitive sensor is grounded, and a biasing resistor is connected between the emitter electrode and the base electrode of the triode in parallel. The backlight button can adjust the brightness of the touch button automatically according to ambient light change, so that the switch button can be brightened in daytime to make the button more beautiful, and the switch button is darkened automatically at night when light is dark and does not influence sleeping of users.

The invention discloses a consumable electrode inert-gas shielded welding conductive nozzle which comprises a nozzle main body, a first through hole is formed in the middle of the nozzle main body, a high-temperature resisting insulation nozzle and a heating component are also arranged in the nozzle main body, the heating component is arranged at a welding-stick input section of the first through hole, and the high-temperature resisting insulation nozzle is arranged at a welding-stick output section of the first through hole. According to the consumable electrode inert-gas shielded welding conductive nozzle, due to the fact that the heating component is arranged, the heating component can preheat welding sticks; compared with an conductive nozzle in the prior art, the consumable electrode inert-gas shielded welding conductive nozzle can reduce current intensity properly and is beneficial to reducing spontaneous heating temperature of the nozzle main body under the same welding condition. According to the consumable electrode inert-gas shielded welding conductive nozzle, under the condition that the traditional dried elongation length is not changed, the distance between the conductive portion of the welding sticks and a workpiece contact point is lengthened, and the stability of high-speed welding is improved.

The invention discloses a water-heating-type high voltage heating system for a new energy car. The water-heating-type high voltage heating system comprises a heat dissipater, and a heating element isarranged at the bottom of the heat dissipater, can heat circular cooling liquid located in the heat dissipater, and comprises a first insulating layer, a resistor heating layer, a second insulating layer, an electricity leaking detecting layer and a sealing layer. The side wall of the heat dissipater is provided with a liquid inlet pipe, a liquid outlet pipe and a high / low voltage inserting jointpiece, and a circular liquid flow pass is formed in the heat dissipater. The heating element of the heating system is composed of functional layers sequentially arranged at the bottom of the heat dissipater, the thickness is only 0.2-0.4 mm, nearly no consumption exists in conversion from electric energy to heat energy, the conversion speed is high, the conversion efficiency is high, a heat sourcewhich is rapid in reacting, short in starting time and reliable in continuity is provided for an air conditioner heating system, a defogging and defrosting system and a power battery heat-insulatingsystem, and a 180-450V direct-current high-voltage electricity vehicle-mounted electric system can be adopted for replacing a low-voltage vehicle-mounted electrical system; and electric power comes from power batteries, the current strength is lowered, and power and heat output is higher and more stable.

The invention discloses an electric device and a washing machine containing the electric device. The electric device comprises a power supply modulator, a stator unit and a rotor unit. More than one rotor unit group is arranged on a rotary drum of the washing machine. Each rotor unit group comprises at least four rotor units arranged at intervals. The material of the rotor unit comprises permanent magnets or magnetizers or combination of the above. Multiple permanent magnet rotor units are arranged around a rotary drum in the same magnetic pole direction. The stator unit at least is installed on a frame fixation part. The periodic relative air gap formed by the stator unit and the rotor unit is no greater than 80 mm. The power supply modulator is used for supplying power to a winding in the stator unit in order to form a magnetic pole direction which is opposite to the polarity opposite to the motion direction of the permanent magnet rotor units. The power supply modulator outputs corresponding time sequence current to a winding of the stator unit such that drive / brake of the electric device is achieved. The washing machine is at least provided with one set of electric devices.

The invention discloses a strain clamp drainage plate with a temperature control heating automatic shunting and alarm apparatus. The strain clamp drainage plate with the temperature control heating automatic shunting and alarm apparatus comprises a strain clamp drainage plate and is characterized in that a bimetallic temperature measurement sheet is fixed on a bolt fixation plate of the strain clamp drainage plate, and the inner-side wall of the strain clamp drainage plate is provided with a shunting lead wire; the central portion of the shunting lead wire is fixed on the inner-side wall of the strain clamp drainage plate through a plastic clamp; a conduction apparatus is arranged at a position, which bridges over the bimetallic temperature measurement sheet, of the shunting lead wire, and the handle end of the strain clamp drainage plate is provided with an alarm. The strain clamp drainage plate, when being heated to a limited scope value due to a resistance increase, can automatically reduce current intensity, flowing through the strain clamp drainage plate, of a power transmission line so as to reduce the heat productivity of the strain clamp drainage plate; and at the same time, when a continuous temperature rise cannot be controlled through shunting, an alarm is immediately given, maintenance or replacement is carried out through timely manual high-altitude operation, and thus the strain clamp drainage plate is effectively prevented from a burnout accident.

The invention discloses a multi-anode lithium metal electrolytic bath. The multi-anode lithium metal electrolytic bath comprises an outer bath body, a lining body, at least four cathodes, at least four anodes and a bath cover covering the upper parts of the outer bath body and the lining body to form a cavity for containing electrolyte; a chlorine gas exhausting hole and a lithium metal discharging hole are formed in the bath cover, the cathodes are arranged around the anodes, the anodes are uniformly distributed in the lining body, the cathode is connected with a cathode busbar, the anode is connected with an anode busbar, the cathode is fixed inside the lining body, the anodes and the cathodes are the same in quantity, the diameter of the anode is 200-300mm, and the upper end of the anode is fixed on the bath cover in an insulating manner, and the lower part of the anode is fixed on the lining body through an anode base in an insulating manner. The multi-anode lithium metal electrolytic bath has a simple structure, the probability that the anode graphite is broken is reduced, the service life of the anode graphite is prolonged, and the lithium metal electrolytic operating cost is reduced.

The invention discloses an elevator system (40) which comprises a suspension means (1) that includes a plurality of tension members (5) in a common jacket (6). The tension members (5) of the suspension means (1) are electrically interconnected in an electric circuit which comprises a current or voltage source (12) and a measuring device (13). The measuring device (13) is positioned between a first group of tension members and a second group of tension members.

An electrode wire used for spark cutting of low-speed wire cutting comprises an electrode wire body. The electrode wire body is composed of a core material and a surface metal layer, wherein the core material is made of an alloying brass material, and the surface metal layer covers the core material. A transition layer is arranged between the core material and the surface metal layer. The alloying brass material is composed of, by weight, 58.0-65.0% of copper and the balance zinc, a small quantity of adding elements and inevitable impurities. The surface metal layer is composed of copper, zinc, adding elements and inevitable impurities, wherein the zinc content is larger than 52 wt% and smaller than 68 wt%, and the surface metal layer is distributed in a fracture shape longitudinally. Compared with the prior art, the electrode wire has the advantages that the manufactured electrode wire is stable in discharge performance, the cutting speed is increased, a wire feeding part and a guiding device of low-speed wire cutting equipment are prevented from being damaged, a machining technique of the electrode wire is simple, the application range is wide, the cost is low, and broad market prospects are achieved.

A multi-channel induction accelerator (MIAC) comprised of the injector block, the drive source, the output device, and the multi-channel induction acceleration block. The latter is made in the form of an aggregate of one-channel linear induction acceleration blocks (including those which are oriented parallel one to other), each of which is made in the form of a sequence of the linearly connected acceleration sections, each of which, in turn, is made in the form of one or a few magnetic inductors enveloped by a conductive screen. Therein, at least one of the conductive screens is made in such a manner that it envelops at least two acceleration sections, which belong to different one-channel linear induction acceleration blocks. The invention allows to increase electric voltage in acceleration spaces of the acceleration sections without increasing the current strength in the inductors winding, and to increase efficiency of the accelerator.

The invention discloses a logically-controlled variable resistance type lamplight combination switch, which aims to solve the technical problems of a large number of contacts, a complicated structure and low reliability of the lamplight combination switch existing in the prior art, has high reliability and a simple structure and is convenient to mount and maintain. The logically-controlled variable resistance type lamplight combination switch provided by the invention comprises a simple combination switch, a position lamp resistor R1, a low-beam lamp resistor R2, a high-beam lamp resistor R3,a left-turn lamp resistor R5, a right-turn lamp resistor R4, a front measuring resistor R6, a rear measuring resistor R7, a front fog lamp relay Z2, a rear fog lamp relay Z1, a high-beam relay Z3, a low-beam relay Z4, a finished vehicle controller and a constant-voltage power supply. The switch is widely suitable for controlling the lamplight combination of an automobile.

The invention discloses a manufacturing method of a high-voltage IGBT module used for weakening a partial discharge effect, and the high-voltage IGBT module capable of weakening partial discharge. A semiconductor hydrogenation amorphous film deposits between an upper conducting layer and a lower conducting layer of an electric insulation substrate in order to lower the electric field intensity at the conducting layers and the edge of the electric insulation substrate, apparent charges of partial discharge of the IGBT module are lowered, and the passing rate of partial discharge of the module is improved. Therefore, the electric field intensity is obviously weakened at the maximum value of an electric field, the apparent charges of partial discharge are reduced, and the test passing rate of partial discharge of the IGBT module is improved.

The invention relates to an adjustable magnetic valve (10A) which includes a magnet assembly (20A) and a guide sleeve (13A) in which a static component (11) is arranged fixedly and a valve armature (17A) is arranged so as to be axially displaceable therein. The magnet assembly (20A) is pushed onto the static component (11) and the guide sleeve (13A). The static component (11) forms an axial stop for the valve armature (17A), which either forces a closing element (17.1A) into a valve seat (15.1A) or lifts the closing element from the valve seat (15.1A) depending on the direction in which the valve armature is driven. The valve armature (17A) and the static component (11) are each formed as plastic components. The valve armature (17A) has a magnet receptacle (17.3A) that receives a permanentmagnet (18A) which is polarized in terms of its movement direction such that the permanent magnet (18A) is arranged within the magnet assembly (20A) regardless of the armature stroke.

Various embodiments provide a projection arrangement. The projection arrangement may include a discharge lamp; and a ballast for the discharge lamp. The ballast is designed to provide, during operation of the projection arrangement, a lamp current in the form of alternating current and having an average frequency and a preset waveform, which has a preset commutation scheme, to the discharge lamp. The preset commutation scheme is preset by a preset time sequence of commutations of the lamp current. The ballast is designed to provide the lamp current in such a way that the preset commutation scheme of the lamp current is deviated from repeatedly with at least one preset intervening time period by at least one DC phase with a preset time duration.

The invention provides a device and method for pushing an elastic body to clean slag at an outlet of a rotary kiln through strong current magnetic force. The device comprises a gun barrel, a magneticforce emission power supply, a carrier vehicle, a gun barrel angle adjusting device and the elastic body. The gun barrel, the magnetic force emission power supply and the gun barrel angle adjusting device are mounted on the carrier vehicle. The gun barrel angle adjusting device is erected at the bottom of the gun barrel. Two guide rails arranged symmetrically in the gun barrel are connected with the magnetic force emission power supply. The elastic body is loaded in the gun barrel. The two sides of the elastic body are slidably connected with the two guide rails arranged symmetrically in the gun barrel. The device pushes the elastic body through the strong current magnetic force to strike the slag at the outlet of the rotary kiln and can safely and efficiently clear away the slag at the outlet of the rotary kiln. In the slag removing process, the internal environmental quality of the rotary kiln is not affected. Moreover, the device is a certain distance away from the outlet of the rotary kiln. Hazards and heavy manual labor of workers due to manual slag removing under a high-temperature environment are avoided. The influence of the high temperature near the outlet of the rotary kiln on equipment is avoided.