95results about How to "Shorten working life" patented technology

The invention discloses a backlight drive circuit, a driving method thereof and a liquid crystal device. The backlight drive circuit comprises a power module and a constant current driving chip, the power module comprises a first controllable switch, an adjustable load is connected between the first controllable switch and a backlight drive circuit grounding end, the adjustable load comprises a switching module capable of switching different resistance values, a control end of the switching module is coupled to a mode switch signal of the backlight drive circuit, and one end of the adjustable load, which is connected with the first controllable switch, is coupled to an over-current protection port of the constant current driving chip. According to the backlight drive circuit, the driving method thereof and the liquid crystal device, two and even more over-current protection (OCP) threshold values can be provided, and reliable over-current protection can be achieved whether in a 2 dimensional (2D) or 3 dimensional (3D) mode.

An emitter (F) for incandescent light sources, in particular a filament, capable of being brought to incandescence by the passage of electric current is obtained in such a way as to have a value of spectral absorption α that is high in the visible region of the spectrum and low in the infrared region of the spectrum, said absorption α being defined as α=1−ρ−T, where ρ is the spectral reflectance and T is the spectral transmittance of the emitter.

A mouse with a screen saver control function is provided. The mouse includes a left button, a right button, a scroll button, a screen saver control button, a memory unit, and a micro-processing unit. The memory unit stores a simulation program. When receiving a signal from the screen saver control button, the micro-processing unit runs the simulation program of the memory unit, and generates simulated input signals to a computer connected thereto, and thus to prevent the computer from running a screen saver program. Utilizing the mouse, a computer user can control a screen saver of the computer momentarily, without resetting a duration of initiating the screen saver program. Therefore, the mouse is very convenient for the computer user to control the computer.

A soldering iron tip having a copper or copper alloy core and a metal particle sintered member connected to the core to transfer heat therefrom to form a working soldering tip. The sintered member can be manufactured by powder metallurgy from a base material (iron, nickel and / or cobalt particles) and an additive (silicon, copper, silver, tin, boron and / or carbon particles) where needed. The sintered member can be formed as a cap which is fitted onto the working tip with a silver paste sandwiched therebetween, a brazing filler metal ring is positioned between an abutment shoulder and the cap, flux applied to the joint and the cap brazed into place. A metal, cermet or ceramic coating sprayed on the outer surface of the core, except for the (masked) working tip end, is not wettable by solder. An Ag—Al—Cu alloy coating layer in the rearwardly-disposed cavity improves heat conduction from the heater therein.

A piercing nut element having a strength in the range between 700 and 900 MPa which is designed to be pressed into the sheet metal part. The nut element is characterized in that the self-piercing attachment of the nut element into a sheet metal part of higher strength, or into a sheet metal part with a thickness greater than 3.5 mm, the nut element is designed in such a way that the piercing section has a peripheral extending groove below the sheet metal contact surface and in that the piercing section has a piercing edge at its free end face with the piercing edge being spaced from the boundary of the groove adjacent to the piercing section by a peripheral surface having an axial height which corresponds to at least 30% and preferably to at least 50% of the sheet metal thickness, wherein the radial wall thickness of the piercing section in the region of its free end face from the outer side of the piercing section up to the nominal diameter of the thread corresponds to a thickness between 1.2 to 1.8 and preferably 1.5 times the intended sheet metal thickness.

Provided is a developing toner for electrostatic latent images capable of coping with the size reduction of an image forming apparatus and decrease of the consumption amount, not shortening the working life of a photoreceptor, less causing paper jam, background fogging, etc., excellent in various characteristics required for the toner, and capable of forming images of good picture quality. The developing toner being used when images are formed to a recording material in an image forming apparatus comprising an image forming station, a recording material feeding station, an image fixing station and a controlling station, the developing toner for electrostatic latent images containing hydrophobic fluidizing particles deposited to the surface of coloring resin particles comprising a binder resin containing a polyester resin, a polyalkylene, a polyolefin dispersant and a non-oxidized polyethylene resin, and an inorganic pigment, and having time constant τ of from 100 to 350 msec.

A copper complex titanium oxide dispersion liquid includes: titanium oxide particles; and 0.1 to 20 parts by mass of cuprous oxide particles per 100 parts by mass of the titanium oxide particles. The dispersion liquid further includes: 5 to 100 parts by mass of phosphate ester-based anionic surfactant per 100 parts by mass of the titanium oxide particles and the cuprous oxide particles combined; and 300 to 2000 parts by mass of an organic solvent per 100 parts by mass of the titanium oxide particles and the cuprous oxide particles combined. The titanium oxide particles and the cuprous oxide particles have an average primary particle diameter of 2 nm to 80 nm and have an average secondary particle diameter of 50 nm to 150 nm as measured by dynamic light scattering using cumulant analysis. Moreover, 10 or more parts by mass of the titanium oxide particles are contained in 100 parts by mass of non-volatile matter content of the copper complex titanium oxide dispersion liquid.

The invention relates to an energy-saving high-efficiency closed-type pressurizing oil supply sectional material extruder which comprises a base, a mould, an ingot containing barrel, an auxiliary cylinder, a shearing device and an oil supply system, wherein the mould, the ingot containing barrel and the auxiliary cylinder are sequentially arranged on the base; the oil supply system comprises a main cylinder and an oil storage tank; the main cylinder is provided with a plunger; the extruder is a short-stroke extruder; the ingot containing barrel of the extruder is arranged on the top position of an extrusion rod, and the ingot containing barrel forms a feed space with the mould during displacement; the oil storage tank includes a closed oil return tank and a closed pressurizing oil cylinder; the oil return tank is connected with the main cylinder through a reflux oil way connected into the main cylinder, and the oil return tank is connected with the pressurizing oil cylinder through an oil supply pipeline; the pressurizing oil cylinder is provided with a piston which acts on the pressurizing oil supply pipeline to supply oil to the main cylinder, and oil inside the pressurizing oil cylinder is extruded into the main cylinder or oil inside the main cylinder is refluxed into the pressurizing oil cylinder through a circulating oil way through the reciprocating motion of the piston; and the oil supply system is controlled by a plurality of servo motor oil pump sets. The energy-saving high-efficiency closed-type pressurizing oil supply sectional material extruder disclosed by the invention can be used for effectively enhancing the production rate, reducing the manufacturing cost of an integral machine, saving the material and reducing the oil consumption.

Of the aluminum alloy activating solution, each liter contains zinc oxide 10-50 g, sodium hydroxide 100-300g, nickel sulfate 20-50 g, ferric trichloride 2-5 g and potassium-sodium tartrate 20-50 g. It is used int reating aluminium alloy before nickel plating at 30-50 deg.c for 20-200 sec. The treatment can lower the potential difference between the activated layer and the plated layer, raise the activity of the aluminum alloy surface, reduce the pollution to plating liquid, raise the binding force and protecting function of the plated layer, increase the service life of chemical nickel plating solution and reduce chemical nickel plating cost.

A goods fastening apparatus with improved structures is disclosed herein, which comprises a body, a pipe fixedly connected to the body and a gear rack passing through the body and partly muff-coupled with the inside of the pipe. A hand grip and a positioning claw are hinged to the body through a primary pivot. A driving claw is hinged to the hand grip through a secondary pivot. A plate spring is positioned between the driving claw and the positioning claw. A mobile stopper sheet pressed against the plate spring is provided at the upper portion of the body. The front ends of the driving claw and the positioning claw can be embedded into the gear teeth of the gear rack with aid of the plate spring. A stopper pin is fixed at the hand grip. The stopper pin is positioned at the edge of one side of the positioning claw facing the gear rack while the front end of the positioning claw is embedded into the gear teeth of the gear rack. Said goods fastening apparatus achieves high working efficiency, and is easy to operate and control.

A hydrodynamic bearing assembly (10) includes a bearing sleeve (11) defining a receiving chamber (113) therein, a bearing (12) received in the receiving chamber of the bearing sleeve, a sealing cover (15) mounted to an open end (112) of the bearing sleeve and including an enlarged section (153) adjacent to the bearing, a shaft (13) extending through the sealing cover and rotatably disposed in the bearing, on which a plurality lubricant pressure generating grooves are defined, and a lubricant retaining space (117) defined by the enlarged section of the sealing cover, an end of the bearing and the shaft for receiving lubricant therein. One of the sealing cover and the shaft defines a groove (134) therein, while the other one of the sealing cover and the shaft extends a flange (156) into the groove.

The invention relates to a thunder-resisting temperature-controlling light-dimming LED (Light Emitting Diode) lamp which comprises three parts, namely a thunder-resisting rectifying circuit (100), a pulse generation circuit (200) and an LED assembly (300), wherein the thunder-resisting rectifying circuit (100) is a four-port network which is provided with a first input end (N1), a second input end (N2), a first output end (T1) and a second output end (T2); an AC (Alternate Current) voltage is accessed between the first input end (N1) and second input end (N2) of the thunder-resisting rectifying circuit (100); one end of the pulse generation circuit (200) is connected with the first output end (T1) of the thunder-resisting rectifying circuit (100), and the other end of the pulse generation circuit (200) is connected with the positive end of the LED assembly (300); and the second output end (T2) of the thunder-resisting rectifying circuit (100) and the negative end of the LED assembly (300) are both connected with an earth circuit (E).

The invention discloses a surge voltage resistant pulse-type driving power supply for an LED lamp. The driving power supply is provided with a rectifier bridge and a limiter circuit, wherein the limiter circuit is composed of a negative temperature coefficient (NTC) thermistor and a third monopole type transient voltage suppressor (TVS3); and the rectifier bridge is composed of a first bridge arm, a second bridge arm, a third bridge arm and a fourth bridge arm. Each of the first bridge arm and the second bridge arm is formed by a fourth rectifier diode (D4) and a third rectifier diode (D3); the third bridge arm is composed of a second rectifier diode (D2) and a second monopole type transient voltage suppressor (TVS2); and the fourth bridge arm is composed of a first rectifier diode (D1) and a first monopole type transient voltage suppressor (TVS1) whose negative poles are connected.

The invention relates to an inflating-free pneumatic tire. A main body of the inflating-free pneumatic tire consists of a crown and a bead toe which are connected into a whole, wherein the crown comprises a carcass and a wear-resistant layer; an embedded clamping strip is arranged on the bead toe; five buffer air cavities are formed inside the carcass; a left limiting groove and a right limiting groove are externally formed in the joint of the bead toe and the carcass, and a left rectangular buffer air cavity and a right rectangular buffer air cavity are internally formed in the joint of the bead toe and the carcass; the interval between cavity walls of each buffer air cavity is the same; during working, an elastic supporting rib system enabling the tire to have reliable working elasticity is composited, and an anti-puncture pressure bearing working area, an assembly force bearing working area and an assembly limiting elastic working area are formed on the surface of the tire, so that the inflating-free pneumatic tire has reliable working elasticity, an excellent anti-puncture function and a longer reliable working service life; moreover, compared with a conventional automotive inflatable tire, the inflating-free pneumatic tire has general interchangeability, high practicality and excellent economical efficiency.

A soldering iron tip having a copper or copper alloy core and a metal particle sintered member connected to the core to transfer heat therefrom to form a working soldering tip. The sintered member can be manufactured by powder metallurgy from a base material (iron, nickel and / or cobalt particles) and an additive (silicon, copper, silver, tin, boron and / or carbon particles) where needed. The sintered member can be formed as a cap which is fitted onto the working tip with a silver paste sandwiched therebetween, a brazing filler metal ring is positioned between an abutment shoulder and the cap, flux applied to the joint and the cap brazed into place. A metal, cermet or ceramic coating sprayed on the outer surface of the core, except for the (masked) working tip end, is not wettable by solder. An Ag—Al—Cu alloy coating layer in the rearwardly-disposed cavity improves heat conduction from the heater therein.

An electrical brush includes an electrically conductive base and a plurality of carbon nanotubes. The electrically conductive base has a contact surface. The carbon nanotubes are formed on the contact surface of the base and are configured for contacting with a rotary member. The method includes the steps of: providing an electrically conductive base having a contact surface; and forming a plurality of carbon nanotubes on the contact surface of the base. The electrical brush can be applied in various electrical machineries for efficiently collecting and transferring machine current over a long working period.

The invention discloses oxidation-resistant high energy density magnesium alloy for 500-600 degrees and a process thereof. The alloy comprises the following components by weight: Li: 2.0-3.0%, Al: 5.0-6.0%, In: 1.0-1.2%, Zn: 2.5-2.8%, B: 0.10.2%, Sn: 1.0-1.2%, Bi: 5.0-6.0%, Sb: 2.4-2.5% and the balance magnesium. A multi-element near-eutectic alloy solution for the oxidation-resistant high energydensity magnesium alloy for 500-600 degrees in the field of alloy energy storage is provided. Alloy melt has excellent oxidation resistance, thermal cycle performance and thermophysical performance. The alloy can effectively overcome the defect of innovation shortage of novel alloy materials in the field of energy storage, and is expected to obtain great market value while solving industrial problems.

The invention relates to a gearless cable lift with a drive disk mechanism which is dually wound by several bearer cables, comprising a counter disk (3), an elevator car (6), guide tracks for the elevator car (6) and a counter weight, especially for installation without a machine room. According to the invention, the bearer cables are guided in semicircular grooves and the ratio of the drive disk diameter to the nominal diameter of the bearing cables is <= 40.

The invention discloses a signal emission device for a while-drilling measuring system and a cross-screw data transmission method for the while-drilling measuring system. The cross-screw data transmission method comprises the steps that a sensing measuring module collects while-drilling measuring parameters acquired by a drill bit in real time; a central processing module receives the while-drilling measuring parameters and conducts coding, and a first alternating current signal and a frequency control signal which contain parameter information are generated; an emission control module receives the signals sent by the central processing module and generates a second alternating current signal matched with the frequency control signal, the corresponding voltage difference is formed at an upper nipple and a lower nipple of the emission control module, and a corresponding emission current signal is output for transmission; and the central processing module receives feedback information corresponding to emission currents detected by the emission control module, and the target emission frequency is adjusted on the basis so as to adjust the frequency of an emission current signal. According to the signal emission device for the while-drilling measuring system and the cross-screw data transmission method for the while-drilling measuring system, the emission power is self-adaptively adjusted according to the surrounding strata and electrical conductivity changes of drilling fluid, and the battery using working efficiency is improved.

This evaporation burner 10 for a heating apparatus comprises a support member 12 having an absorbing element 22 and a fuel supply pipe 18 for supplying liquid fuel to the absorbing element 22, and is operated by the liquid fuel. The absorbing element 22 is formed of a layer 24 made of ceramic material and layers 26 and 28 made of metal material.

The invention provides a method of processing an inner surface of a bearing having a cylindrical shape which bearing includes a resin layer composed mainly of a synthetic resin as the inner surface, the method improving roughness of the inner surface and dimensional accuracy of an inner diameter of the bearing without cutting the inner surface. According to the method, the bearing is press-fitted into a jig and then the jig is mounted on a chuck. Next, a mandrel having a cylindrical bar shape is inserted into an inner diameter portion of the bearing and then the mandrel is heated by a heater up to 250° C., for example. The mandrel is expanded due to thermal expansion by the heating so that the inner surface, i.e., a surface of the resin layer is pressed by a press face of a peripheral surface of the mandrel.

The invention belongs to the field of dynamic balance de-weight devices and methods, and particularly relates to a high-precision integrated laser de-weight automatic balancing device and method. The device is provided with an equipment supporting mechanism, a vibration transmission mechanism, a vibration detection mechanism, a reference phase detection mechanism, an automatic alignment mechanism and a laser de-weight mechanism, a vibration transmission mechanism used for transmitting vibration generated when a rotor rotates is arranged in the equipment supporting mechanism, a vibration detection mechanism used for detecting vibration and a reference phase detection mechanism are fixed to the vibration transmission mechanism, and an automatic alignment mechanism used for automatic alignment is arranged above the vibration transmission mechanism. And a laser de-weight mechanism is arranged on the automatic alignment mechanism. The laser de-weighting mode adopted by the invention belongs to non-contact de-weighting, internal stress does not occur in the rotor after correction, and the working performance and the service life of the rotor can be effectively improved and prolonged.

The invention relates to the technical field of water conservancy equipment, in particular to a dew formation inhibition type engineering flood prevention water level monitoring device, which comprises a barrel, a sleeve, turbine fan blades, an elastic waterproof block, a floating block, a telemetering terminal and a water level indicator. The turbine fan blades are driven to rotate by the naturalflow of water, on the one hand, the energy of water flow impacting the sleeve is used as power, no additional functional component is needed, and secondly, the sleeve can resist the water flow impactand avoid an inaccurate water level indicator detection result and reduced operating life. The greatest progress of the invention lies in that air flow is utilized to promote the barrel and electrical apparatus elements to quickly eliminate the temperature difference with the external environment, accordingly, the dew formation phenomenon is inhibited, and the device has practical significance and promotional value, and good economic benefits can be expected to be generated.

The invention discloses a high response neutron dose equivalent meter. The probe of the equivalent meter is selected from 3He counter tube, the length thereof is 95-110 centimeter, the diameter thereof is 5-6 centimeter, the air pressure thereof is 3-4 atmospheric pressure. At the same time, the cadmium absorber of probe is evenly drilled, wherein the hole area is 0.9-1 square centimeter, the hole area accounts for 30-40% of the whole cadmium slice area. The sensitivity of the neutron dose equivalent meter can be 48.9cps / uSv h-1 to satisfy the requirement of the detection of the environment level neutron radiation field.

The invention discloses an LED (Light Emitting Diode) performance test box, a calibrating method and a performance test method. The test box comprises a box body, a motor, a first light taking device and a second light taking device, and also comprises a rotating shaft, optical fibers and a connecting piece, wherein the box body is provided with a through hole, and the rotating shaft and the optical fibers pass through the through hole; the first light taking device and the second light taking device are arranged inside the box body, and the motor is arranged outside the box body; the motor drives the rotating shaft to rotate; the first light taking device and the second light taking device are fixed on the rotating shaft through the connecting piece; the motor drives the first light taking device and the second light taking device to move at the respective circumferences; and the first light taking device and the second light taking device transfer collected light to the outside of the box body through the optical fibers. The LED performance test box is simple in structure, and easy and simple to operate, and can detect LED performance parameters on line.

The invention discloses a closed oil supply system of a sectional material extruding machine, belongs to the field of sectional material molding equipment, and relates to an oil supply system of an extruding machine. The closed oil supply system comprises an oil cylinder and an oil storage tank, wherein the oil cylinder is provided with a prefill valve, the oil storage tank is divided into an oil return oil tank and a pressurization oil cylinder which are respectively sealed, and the oil return oil tank is connected with the oil cylinder by virtue of a backflow oil line connected to the oil cylinder; the oil return oil tank is connected with the pressurization oil cylinder by virtue of an oil supply pipeline, a circular oil line between the oil cylinder and the pressurization oil cylinder is formed by the backflow oil line, the oil return oil tank and the oil supply pipeline, and the pressurization oil cylinder is provided with a piston; by virtue of the reciprocating motion of piston, the oil in the pressurization oil cylinder is extruded in to the oil cylinder or the oil in the oil cylinder flows back into the pressurization oil cylinder by virtue of the circulation oil line, so that the sealed oil supply system of the extruding machine is formed. The oil supply system is in a sealed state, dust sundries and the like are prevented from being mixed into the oil supply system, the cleanness of hydraulic oil is kept, and the working life of the hydraulic oil is prolonged.

The invention provides an integrated liquefied gas filling opening (valve) capable of being quickly dismounted inside. The integrated liquefied gas filling opening (valve) comprises a valve body, a valve seat and a valve element. A connection flange is arranged on the side wall of the valve body. A valve cavity is formed in the valve body in a penetrating mode. The valve seat is connected in the valve cavity in a threaded mode and divides the valve cavity into a lower cavity body and an upper cavity body. The valve seat is provided with a center hole enabling the upper cavity body and the lower cavity body to be communicated. A valve element assembly is arranged in the lower cavity body and comprises a guide sleeve and the valve element arranged on the guide sleeve in a sliding fit mode. The guide sleeve is located at the lower end of the valve element and provided with a liquefied gas discharging outlet allowing natural gas to pass through. A sealing ring is arranged on the end face of the valve element, and an elastic component is arranged between the valve element and the guide sleeve. The elastic component enables the valve element to tend to move upwards and enables the sealing ring to be attached to the sealing face of the valve seat. The integrated liquefied gas filling opening (valve) capable of being quickly dismounted inside is convenient to install and easy to operate. Meanwhile, normal work of the integrated liquefied gas filling opening under a low-temperature condition is ensured, and the service life of the integrated liquefied gas filling opening under the low-temperature condition is guaranteed.