85results about How to "Reliable life" patented technology

A fine lateral head positioner for a tape drive includes a frame mounted to a base of a tape transport. A tape head slides laterally along a head guide. A guide beam actuated by a fine position actuator applies limited transverse adjustments to the tape head relative to a tape transport path via a cam and cam-follower arrangement. A coarse positioner between the frame and the base provides coarse position adjustment of the tape head laterally among multiple sets of parallel tracks defined along a longitudinal direction of a magnetic tape moving along the tape transport path, and the guide beam provides fine position adjustment of the tape head enabling it to follow in real time a particular set of parallel tracks of the tape during each data writing or reading operation.

The invention relates to a piezoelectric-static composite micro machine vibration energy collector and a manufacture method of the collector, and relates to an energy collecting device. The piezoelectric-static composite micro machine vibration energy collector comprises a chip main body and a chip external circuit, wherein the chip main body is of a three-layer laminated structure, and the chip main body comprises an upper glass piece device, an SOI (Silicon On Insulator) piece device, a lower glass piece device, a piezoelectric ceramic wafer device, a piezoelectric ceramic wafer electrode and a variable capacitance plate electrode. The chip external circuit is provided with a rectification circuit, a filter capacitor, a first switch, a second switch and an energy storage capacitor, or is provided with a rectification circuit, a filter capacitor, a first switch, a second switch and an energy storage capacitor and a variable capacitance plate starting power supply. The manufacture method comprises the following steps of: manufacturing the lower glass piece device; manufacturing the SOI piece device; manufacturing the upper glass piece device; assembling; and connecting the chip external circuit. According to the collector and the manufacture method, the process is simple, the defects of poorer device stability and performance and the like caused by,manufacturing a PZT (Piezoelectric Transducer) by using the traditional sol gel can be overcome, and wide band and high efficiency collection of energy can be realized.

A high pressure resistant vibration absorbing hose with a bursting pressure of 5 MPa or higher has a hose body and a joint fitting. The joint fitting is to be attached to a swaged portion of the hose body. The hose body has an inner surface rubber layer, a reinforcing layer of high braid or winding density of 50% or more, and an outer surface rubber layer. The swaged portion is designed to have a larger diameter than the main portion of the hose body and the inner surface rubber layer has a wall thickness equal to or larger than 1.0 mm at a swaged portion in a state before the joint fitting is securely swaged thereto. The reinforcing layer has a braid or winding angle θ of a reinforcing wire member equal to or lower than a neutral angle 54.7° and higher than 48°.

A charging apparatus 10 includes: a half-wave rectifier 21 that half-wave rectifies an alternating current supplied from a commercial power supply 11; a radiofrequency generating circuit 22 that converts the output current of the half-wave rectifier 21 to a radiofrequency current with a predetermined frequency and outputs the radiofrequency current; an induction coil 23 that is fed with the radiofrequency current from the radiofrequency generating circuit 22; a power receiving coil 24 that receives an electromotive force induced by a magnetic flux produced on the induction coil 23; a resonant capacitor 25 that is connected in parallel with the power receiving coil 24 and forms a resonant circuit with the power receiving coil 24 at the predetermined frequency; and a full-wave rectifier 27 that full-wave rectifies the output current of the parallel resonant circuit and supplies the current to a lead storage battery 12.

A digital multi-function peripheral includes a multi-function peripheral unit that has plural functions, a switching power supply unit connected to a commercial power supply as a main power supply for the multi-function peripheral unit, and an electrical storage device charged in advance as an auxiliary power supply for the multi-function peripheral unit. The digital multi-function peripheral further includes a control circuit that monitors a load current flowing to the multi-function peripheral unit, supplies electric power from the electrical storage device to the multi-function peripheral unit instead of electric power from the switching power supply unit when the load current is smaller than a threshold set as an allowable lower limit of power efficiency of the switching power supply unit, and supplies the electric power from the switching power supply unit to the multi-function peripheral unit when the load current increases to be equal to or larger than the threshold.

The invention discloses an accelerated-storage test method for on-missile sealing pieces. The accelerated-storage test method includes the steps of 1), making an accelerated-storage test plan for sealing piece materials, implementing the accelerated-storage test for the sealing piece materials, and evaluating activation energy of the sealing piece materials; 2), optimizing the accelerated-storage test plane for sealing piece products, implementing the accelerated-storage test for the sealing piece products, and evaluating storage life of the sealing piece products. In the method, the test is divided into to steps, namely the accelerated-storage test of the materials and the accelerated-storage test of the products, so that shortcomings of high risk and inaccurate evaluation of accelerated-storage test of the products can be directly reduced. Data statistics of the accelerated-storage tests for the on-missile sealing pieces are performed, matching of the performance degradation process of the sealing pieces is performed by the adoption of multiple models, and the models with the highest matching accuracy are selected to be calculated, so that the material activation energy obtained can be more conforms to actual products.

The related magnetic latching relay with grating sheet comprises: a body; on the body, a moving and fixed contact head, an electromagnetic drive mechanism with permanent magnet to conduct or separate two contact heads. Wherein, some iron grating sheets are set between contact heads along running direction of the moving contact head. This invention generates cathode effect to accelerate arc-extinguishing, and improves performance of the relay.

The invention discloses a Weibull-distribution-based method for predicting the reliable service life of a rubber ring. The method includes the following steps: S1, determining an average growth rate lambda i of a permanent compression deformation rate epsilon iK of a rubber ring sample through a diagnostic test and then determining test time t of a rubber ring sample degradation test plan; S2, according to the rubber ring sample degradation test, obtaining an initial axial thickness H0 of the rubber ring sample, an axial thickness HijK of the rubber ring sample at each detection time point, and a permanent compression deformation rate epsilon ijK during each test process; and S3, according to the permanent compression deformation rates epsilon ijK of all test processes, predicting a service life of the rubber ring according to a rubber degradation formula and an acceleration model based on the Weibull distribution and analyzing the reliability of the rubber ring. Compared with the traditional rubber service life prediction method capable of obtaining a single service life prediction value, the method has advantages: a reliable service life value is obtained by using a service lifedistribution function, so that the evaluation result has higher credibility.

The present invention provides an organic thin-film light emitting device in which the luminance efficiency and durable life are improved while a low driving voltage is maintained by means of a light emitting device material that contains a compound represented by general formula (1).

Provided are a light emitting device material which contains a compound having a carbazole skeleton of a specific structure and which makes it possible to achieve a light emitting device having both high luminance efficiency and durability; and a light emitting device using the light emitting device material.

The invention provides a micro light emitting diode (101) and a display panel (300). The micro light emitting diode (101) comprises a light conversion layer (120) used for converting blue light into white light, a black matrix (110) arranged in the light conversion layer (120), a buffer layer (130) arranged on the light conversion layer (120), a first semiconductor layer (140) arranged on the buffer layer (130), an indium gallium nitride layer (150) arranged on the first semiconductor layer (140), a second semiconductor layer (160) arranged on the indium gallium nitride layer (150), a current spreading layer (170) arranged on the second semiconductor layer (160) and used for widening the light-emitting area, a passivation layer (180) arranged on the current spreading layer (170) and the buffer layer (130), a first cushion (190) and a second cushion (195).

The invention discloses a method and a system for calculating the failure rate of an electric meter. The method comprises the following steps of: establishing a probability density function of each child according to a Weibull distribution model; Calculating an overall probability density function according to a preset mixing weight and a probability density function of each child; Calculating anoverall reliability according to the overall probability density function; Calculating An overall failure rate function based on the overall reliability and the overall probability density function. This method can be used to calculate the failure rate of the meter with a variety of stresses.

The invention relates to a silica film all-in-one keyboard which comprises a face plate layer, a lower substrate layer with a film circuit, an upper substrate layer with electric conduction wafers and an insulation interlayer. The face plate layer comprises a polyester film layer and a silica gel layer below the polyester film layer, the polyester film layer is connected with the silica gel layer in a hot-press mode, a plurality of upwards-plump keys on the polyester film layer are connected with corresponding upwards-plump keys on the silica gel layer, the plump heights H of the keys on the polyester film layer are 0.5-1.0mm, the lower portion of the silica gel layer is connected with a sealing gasket layer through a peelable glue layer, the sealing gasket layer is fixedly connected with the upper substrate layer, the upper substrate layer is fixedly connected with the lower substrate layer through the insulation interlayer, protrusions corresponding to the keys on the polyester film layer are arranged on the upper substrate layer, and the electric conduction wafers at the bottoms of the protrusions correspond to electric conduction strips on the film circuit. The silica film all-in-one keyboard is simple and reasonable in structure, capable of improving the hand feeling of the keyboard and small in pressing force, reduces labor intensity, brings convenience to replacement of the face plate layer, and reduces use cost of the keyboard.

The invention discloses a plastic inner cage hydraulic bushing. The plastic inner cage hydraulic bushing comprises an outer frame, an inner frame, a damping rubber structure, a plastic inner cage, a limiting rubber structure and a limiting gasket, wherein the inner frame, the damping rubber structure and the plastic inner cage are sequentially and coaxially arranged from inside to outside; the plastic inner cage, the damping rubber structure, and the inner frame are integrated into a first combination through vulcanized bonding; the limiting rubber structure is annular and arranged at the topend of the outer frame; the limiting rubber structure and the outer frame are integrated into a second combination through vulcanized bonding; the limiting gasket is arranged at the top end of the limiting rubber structure; the first combination is arranged in the second combination. According to the plastic inner cage hydraulic bushing, the durability of the bushing can be improved, the cost is reduced, and the quality is stable and reliable.

Provided is a phenanthroline derivative having a specific structure. The phenanthroline derivative includes in a skeleton a substituted or unsubstituted heteroaryl group having electron-accepting nitrogen, and a substituted or unsubstituted aryl group having less than 20 ring-forming carbon atoms. The phenanthroline derivative is preferably used in electronic devices such as light emitting elements, photoelectric conversion elements, lithium ion batteries, fuel cells and transistors.

The invention discloses a high-speed floating ring bearing sleeving a rotor. The high-speed floating ring bearing comprises a bearing block and a floating ring. The bearing block is of a hollow cylinder structure. The floating ring is arranged in the hollow cylinder structure. When the rotor runs, the floating ring and the rotor relatively rotate, and the bearing block is provided with a bearing block oil passing hole and a bearing block oil passing groove. The floating ring is provided with a floating ring oil passing hole and a floating ring oil groove. Lubricating media enter the bearing block oil passing groove through the bearing block oil passing hole and enter the floating ring oil groove through the floating ring oil passing hole, and when the rotor rotates, a dynamic pressure oilfilm is formed to support the rotor. A high-speed floating ring bearing-rotor supporting system comprises the above high-speed floating ring bearing, and further comprises a floating ring and thrust combined bearing, a rotor system and an oil supply system.