34results about How to "Affect consistency" patented technology

The invention discloses a self-discharge detection method of a lithium iron phosphate battery. Charging and discharging pretreatment is carried out on lithium iron phosphate batteries after capacity sorting processing; the batteries are placed for standing for some time respectively in different temperature environments and open-circuit voltages OCV1 and OCV2 are tested; a difference value K between the OCV1 and the OCV2 is calculated; and according to the K value, a battery with a high self-discharge value is determined and selected. According to the invention, the electrode polarization is eliminated by pretreatment, so that the influence on the voltage by polarization and unstable system factors can be minimized; and the battery with the high self-discharge value can be screened out rapidly in short time before grouping. The test is accurate and effective; the product quality is substantially improved; and the consistency of the whole group of batteries can be prevented from being influenced by the battery with the high self-discharge value. Therefore, the service life of the battery group can be prolonged.

The invention provides a blockchain-based cross-chain data interaction method. The method comprises a node selection step, an initialization step and a cross-chain data transmission step; when a mainchain transmits cross-chain data to a side chain, an operation node performs main chain block synchronization processing on the main chain, and then performs main chain data synchronization processing on the main chain in a data signature mode; and when the side chain transmits cross-chain data to the main chain, the operation node performs side chain block synchronization processing on the sidechain, and then performs side chain data synchronization processing on the side chain by adopting a data signature mode. According to the cross-chain data interaction method based on the block chain,the multiple operation nodes are adopted, the situation that the consistency of cross-chain data is affected due to the fact that a single operation node has errors is avoided, data synchronization iscarried out on the premise that block synchronization is carried out, and the consistency of cross-chain data interaction is guaranteed. The invention also provides a method for realizing the cross-chain data interaction based on the block chain.

The invention provides a fiber grating differential strain gauge. The fiber grating differential strain gauge comprises a first fiber grating, a second fiber grating, an elastomer and installation arms, wherein the elastomer is a deformable body which is hollow and is in axial symmetry and central symmetry, the two ends of the first fiber grating are bonded to one side of the elastomer, the two ends of the second fiber grating are bonded to the other side of the elastomer, the first fiber grating and the second fiber grating are perpendicular to each other, grating bodies of the fiber gratings penetrate through the center of the elastomer and do not make contact with each other, the installation arms are fixed to the two sides of the elastomer, the installation arms and the first fiber grating are arranged in the same direction, the thickness of each installation arm is larger than that of the elastomer, and open grooves which penetrate through a tail fiber of the first fiber grating are formed in the installation arms. According to the fiber grating differential strain gauge, the two-end bonding mode is adopted for the structure, it is ensured that stress of grating parts is uniform, the chirp phenomenon is eliminated, detection accuracy is ensured, a manufacturing process of the fiber grating differential strain gauge can be simpler through the two-end bonding mode, and operation is easier.

The invention discloses a process for detecting self-discharge of lithium batteries. The process particularly comprises the following steps that lithium batteries to be detected and a standard lithium battery with known self-discharge rate are fully charged and parallelly connected for standing; and flow-in current flowing from the standard lithium battery to each lithium battery to be detected is respectively recorded through an ampere meter, and the lithium batteries with large self-discharging are selected out through the flow-in current. By means of the simple and quick method, the lithium batteries with large self-discharging can be selected out before being assembled into a pack, influence on consistency of the whole pack of the batteries caused by the lithium batteries with large self-discharging can be avoided, performance of a battery pack is improved, and service life of the batteries is prolonged.

The invention relates to a device and a method for online maintenance of uniformity of a storage battery through utilization of correlated characteristics of electrochemical reaction and environment temperature inside the storage battery to carry out independent differential control on storage battery monomer temperature. According to the picture of 5-A, the device comprises a master controller (1C), voltage sensors (2C), temperature sensors (3C), cold-hot temperature control wafer modules (4C), water-cooled radiators (5C) and monomer heat separating belts (6C), wherein the voltage sensors (2C), the temperature sensors (3C), the cold-hot temperature control wafer modules (4C), the water-cooled radiators (5C) and the monomer heat separating belts (6C) are paired on each monomer. The master controller detects degree of deviation of real-time voltage of each monomer which has undercharging or overcharging problem in real time, controls the cold-hot temperature control wafer module to independently control the temperature of the corresponding monomer to special temperature difference, and enables the electrochemical reaction to be relatively enhanced (or decreased) and to gradually tend to be balanced with charging or discharging of the normal monomers. Meanwhile, the master controller monitors the best working temperature with the uniform trend of other normal monomers in real time. The storage battery is often used in electric cars, telecommunications, electric power, banks and the like, and is formed by several monomers to hundreds of monomers in a series connection mode.

The invention discloses a self-discharge detection method for a nickel-cobalt-manganese lithium battery. The method comprises the steps that charge-discharge preprocessing is carried out on the nickel-cobalt-manganese lithium battery after capacity grading; standing in environments at different temperatures for a certain period of time is carried out; open circuit voltages V1 and V2 are tested; the value of W=V1-V2 is calculated; and a battery with large self-discharge is selected through the W value. According to the method, electrode polarization is eliminated through preprocessing; the effect of polarization and system instability on the voltage pair is minimized; batteries with large self-discharge can be quickly filtered out before grouping in a short period of time; the test is accurate and effective; the product quality is greatly improved; the consistency of the whole group of batteries is not affected by batteries with large self-discharge; and the service life of a battery group is extended.

The invention relates to a preparation method of an automotive damping material and mainly relates to a high-performance damping slurry filled withe functionalized graphene and a preparation method of the high-performance damping slurry. The preparation method comprises the steps of sieving bentone, fumed silica, nano calcium carbonate, functionalized graphene, nano-silver powder by use of a sieve of 100-200 meshes, blending a core-shell emulsion, a defoamer, a plasticizer and a cross-linking agent, stirring evenly, adding the sieved powder to the blended emulsion, mixing by virtue of mechanical stirring at a normal temperature and a stirring speed within the range of 100-200r/min, and adding deionized water for regulating the thickness to the range of 8-10. The functionalized graphene has excellent solubility with a polymer matrix; due to frictional loss between the functionalized graphene and the polymer matrix due to interfacial slippage, the energy can be effectively dissipated, and the noise pollution in a vehicle can be effectively reduced; meanwhile, the silver nanomaterial is taken as an antimycotic assistant, and has an excellent antimycotic effect.

Adjusting the operation of a wire section, in which the development of the consistency of stock on the wire section (2) is determined and the effect of the consistency determined above on the formation and/or porosity of a paper web (3) is determined. The consistency developed on the wire section is adjusted based on a quality property of paper and/or by optimising a cost function, the quality property of paper comprising the formation and/or the porosity and/or a combination defined by means of the formation and/or the porosity and the cost function including the effect of at least the formation and/or the porosity.

The invention provides a hydrogen energy automobile fuel cell system, and relates to the technical field of fuel cell systems. The fuel cell system comprises an electric pile, an air compressor, a pile outlet throttle valve, a hydrogen cylinder, a voltage inspection module and a controller. An air inlet, an air outlet, a hydrogen inlet, a hydrogen outlet, a hydrogen discharging valve and a water discharging valve are arranged on the galvanic pile; the pile outlet throttle valve is communicated with the air outlet; the air compressor is communicated with the galvanic pile through the air inlet;an in-pile throttle valve is arranged between the air compressor and the air inlet; the hydrogen cylinder is communicated with the galvanic pile through the hydrogen inlet; an in-pile hydrogen valveis arranged between the hydrogen cylinder and the hydrogen inlet; the in-pile hydrogen valve is respectively communicated with the hydrogen cylinder and the hydrogen inlet; the controller is electrically connected with the air compressor, the pipe inlet throttle valve, the pipe outlet throttle valve, the in-pile hydrogen valve and the voltage inspection module. The invention further provides a control method of the hydrogen energy automobile fuel cell system. And attenuation of the performance of the galvanic pile can be effectively slowed down.

The present invention relates to a backlight module, including frame, reflecting plate, light guide plate and lamp seat. The frame has frame side plate and frame bottom plate, the reflecting plate is placed on the frame bottom plate, and the light guide plate is placed on the reflecting plate, lamp seat has side plate, upper plate and lower plate, the side plate of the lamp seat is parallel to the side plate of frame, the upper plate and lower plate of lamp seat are connected with the plate of lamp seat. One end of lower plate of lamp seat is positioned on one end of reflecting plate and near by light guide plate, one end of upper plate of lamp seat is extended over the light guide plate, so that the lamp seat can be placed into or taken out between light guide plate and frame side plate along the normal direction perpendicular to the surface of bottom plate of frame.

The invention discloses an automatic coating delivery and recovery device. The automatic coating delivery and recovery device comprises a material storing tank, a skiving assembly and a supporting body. The material storing tank and the skiving assembly are both installed on the supporting body. A delivery assembly and a recovery assembly are arranged on the two sides of the supporting body respectively, and thus delivered residual coating is recovered to the material storing tank through the recovery assembly after the coating in the material storing tank is delivered through the delivery assembly. The automatic coating delivery and recovery device has the advantages that the phenomenon that uniformity of module printing is influenced due to the fact that the coating is exposed in air for a long time and compositions of the coating volatilize is avoided through the synergistic effect of the delivery assembly and the recovery assembly in the printing process; in addition, the automatic coating delivery and recovery device is simple in structure, convenient to operate and high in efficiency.

The invention discloses a horizontal numerical control three-dimensional carving machine which comprises a base, a portal frame, a workpiece clamping device, a transverse moving mechanism, a vertical moving mechanism and a carving tool frame. The workpiece clamping device comprises a fixed beam, a movable beam and a moving and fixing mechanism. A front-back moving mechanism is arranged between the workpiece clamping device and the base, and comprises two slide rails, slide blocks, a driving structure, slide rail waterproof covers and a movable base plate. The slide rails are fixedly arranged on the base. The driving structure is arranged in the middle. The slide blocks are arranged on the two sides, corresponding to the two slide rails, of the movable base plate respectively. The slide blocks are each of a crank structure. One end of each slide block slides on the corresponding slide rail, and the other end of each slide block is fixedly connected with the movable base plate. The slide water waterproof covers cover the two slide rails and cover the ends, correspondingly sliding on the slide rails, of the slide blocks respectively. The carving machine is high in structural weight capacity, stable in structure and smooth and stable in mechanical actions, and factors influencing carving accuracy and carving consistency can be reduced as much as possible.

The invention discloses a slurry filtering device and a filtering method thereof. The device comprises a base and a stand tube, wherein the stand tube is vertically fixed on the base; the stand tube is provided with a first fixing rod and a second fixing rod transversely from top to bottom in turn; one end of the first fixing rod is fixed on the stand tube through a tube sleeve and a fixing screw; a motor is fixedly arranged on the other end of the first fixing rod; the lower end of the motor is connected with a stirring paddle through a transmission rod; one end of the second fixing rod is fixed on the stand tube through the tube sleeve and the fixing screw; a feeding bin is fixedly arranged on the other end of the second fixing rod; the feeding bin is located on the right lower end of the stirring paddle; a stock chute is arranged on the right lower end of the feeding bin correspondingly. The slurry filtering device is simple in structure, convenient to use and good in filtering effect.

The invention relates to an automatic glove production and impregnation clutch control mechanism. The control mechanism is characterized by comprising a mold rod conveying device and a plurality of mold rods arranged on the mold rod conveying device; a rotary phase control mechanism is arranged between the end part of each mold rod and the mold rod conveying device, and is used for realizing connection locking or relative rotation between the mold rod and the mold rod conveying device; the rotary phase control mechanism is provided with a first ratchet mechanism and a second ratchet mechanism,and the unlocking directions of two ratchets of the first ratchet mechanism and the second ratchet mechanism are opposite. The automatic glove production and impregnation control mechanism has the advantages that one ratchet mechanism is unlocked, the mold rod can rotate smoothly in the direction due to the fact that the other ratchet mechanism is freely rotated in the direction, meanwhile, in the rotating process of the mold rods, by utilizing the interval angle of ratchet wheel teeth and advance falling of pawls, accurate control of the rotating phase position is ensured, the mold rods areprevented from shaking, and the requirement for impregnation quality is met.

The invention provides a device and method for measuring parameters of non-spherical particles under the gas-solid flow condition. Accelerated speed, rotational acceleration, spatial attitude, impact stress and the rate of heat flow are measured through a micro attitude sensor, a temperature sensor and a stress sensor, and are sent to the outside through an NFC near-field communication method, the micro attitude sensor, the temperature sensor and the stress sensor are arranged in an intelligent tracing particle, and the needed kinetic and heat transfer parameters are obtained after the accelerated speed, the rotational acceleration, the spatial attitude, the impact stress and the rate of heat flow are processed. According to the scheme, the kinetic and heat transfer parameters of the non-spherical particles can be measured accurately and safely in real time under the condition of not interfering with a flow field.

The invention provides a valve driving device, an internal combustion engine, an engine and a vehicle. The valve driving device pushes a main piston to compress hydraulic oil in a second cavity through the extension movement of a telescopic component, and the compressed hydraulic oil in the second cavity will push an upper piston to move in the direction of a lower piston; the upper piston moves to the position in front of a gap adjusting hole, excess hydraulic oil in a third cavity will flow out of the third cavity from the gap adjusting hole, and in the process, the lower piston does not move; the upper piston continues to move to cover the gap adjusting hole, at the moment, the third cavity is a sealed cavity, the movement of the upper piston compresses the hydraulic oil in the third cavity, the compressed hydraulic oil in the third cavity will push the lower piston to move away from the third cavity. The movement of the lower piston pushes a valve to be opened and closed. The valvedriving device can be adjusted according to different working conditions of the rotating speed of the internal combustion engine, has high temperature resistance and stepless adjustable stroke, and can obtain ideal intake and exhaust efficiency at high and low speeds.

The disclosed adhesive compositions comprise (A) an isocyanate component comprising an isocyanate-terminated prepolymer that is the reaction product of a polyisocyanate and an isocyanate-reactive mixture comprising a phosphate ester polyol. The disclosed adhesive compositions further comprise (B) an isocyanate-reactive component polyol component comprising a polyol. In some embodiments, methods for preparing two-component adhesives formulations are disclosed comprising preparing an isocyanate component comprising an isocyanate-terminated prepolymer by reacting a polyisocyanate with an isocyanate-reactive mixture comprising a phosphate ester polyol and preparing an isocyanate-reactive component comprising a polyol. The methods further comprise mixing the isocyanate component and the isocyanate-reactive component at a stoichiometric ratio (NCO/OH) of from about 1.0 to about 5.0. Methods for forming laminate structures, and the laminate structures themselves, are also disclosed.

The invention relates to a method for acquiring performance index information by switching a spanning mobile switching center, which comprises: respectively obtaining total switching-out number and total switching-out success number for switching to a second wireless network controller from a first wireless network controller and switching to the first network controller from the second wireless network controller; and calculating to obtain switching success rate and/or switching failure rate for switching by the spanning mobile switching center according to the total switching-out number and the total switching-out success number. The invention also relates to a system for acquiring performance index information by switching the spanning mobile switching center. The method and the system are applicable to bidirectional switching and unidirectional switching, are provided with an RNC to send a Iu interface transfer request signaling and a Iu interface release completion signaling which are respectively taken as signaling acquisition points for the total switching-out number and the total switching-out success number, and avoid counting loss caused by signaling loss. The method and the system also avoid spanning MSC switching accidents during updating, and ensure consistency of performance index and real service quality.

The invention discloses a cell assembling structure of a combined battery. The cell assembling structure comprises a plurality of single cells and cell frames. The single cells are connected in serieswith each other, and each single cell is installed in the cell frame. All the cell frames are assembled in parallel with each other. One side surface of each cell frame has an open structure, and twolead-out grooves for leading out the positive and negative lugs of the single cell are arranged on the side of the top end close to the opening direction and a spacer is arranged between the adjacentcell frames. The top two sides of the spacer are provided with outwardly extending fixing bosses. After the spacer is assembled in parallel with the cell frame, the fixing bosses of the spacer are embedded in the lead-out grooves of the cell frame. The connection stability of the cell electrode lugs can be greatly improved, and the influence on the consistency of the whole combined battery causedby the change of the cell resistivity because of the deformation of the electrode lugs can be avoided. Meanwhile, the structure also has the advantages of good heat dissipation performance and high anti-interference capability.