30results about How to "Increased Consistency Requirements" patented technology

An embodiment of the invention discloses energy management equipment, an electronic control system, an electronic control method and an electric vehicle. The energy management equipment comprises an H-bridge unit, a battery pack serving as an input power source of the H-bridge unit and a BMS (battery management system) for performing energy balance control on the battery pack, wherein the electronic control system comprises a master controller, 3N sub-controllers and 3N sets of energy management equipment; the 3N sets of energy management equipment constitute a first face group, a second face group and a third face group; each faces group comprises N sets of energy management equipment, the master controller calculates the PWM (pulse-width modulation) duty cycle of each set of energy management equipment, and the sub-controllers control connection of corresponding energy management equipment according to the PWM duty cycles. The embodiment of the invention solves the technical problems of high battery consistency requirement, high detection cost, battery replacement difficulty and poor balance ability of the BMS due to large-scale series connection of batteries in the battery pack of the conventional electric vehicle, so that dynamic voltage equalization after large-scale series connection of the battery pack is realized.

The invention provides a real-time monitoring rapid prototyping device and method based on the femtosecond laser composite technology. The device comprises a vacuum chamber (100), a workbench (101), a feeding device (109), a multi-wavelength fiber laser (120), a real-time monitoring system (110) and a control center, wherein the workbench (101), the feeding device (109), the multi-wavelength fiber laser (120) and the real-time monitoring system (110) are arranged in the vacuum chamber (100), and the multi-wavelength fiber laser (120) and the real-time monitoring system (110) are further in signal connection with the control center outside the vacuum chamber (100). The novel rapid prototyping device and method are provided for manufacturing high-strength, high-finished-product-rate and complex-structure parts and are particularly suitable for various sensors higher in requirement for precision and consistency.

The present invention provides a preparation method of a positive electrode material LiMn1-xFexPO4 / C, the method comprises mixing of an A source with a lithium source and a carbon source for reaction to obtain the positive electrode material LiMn1-xFexPO4 / C, and the molar stoichiometric ratio of manganese, iron, phosphorus contained in the A source is Mn: Fe: P = 0.45-0.85: 0.55-0.15: 1. The preparation method is simple, safe in operation, low in cost, and easy in implementation of large-scale production; and a lithium battery positive electrode material prepared by the method has high charge and discharge capacity and stable performance, and is a preferred material for a power battery.

The invention relates to an automatic formation and separation method of nickel-metal hydride batteries. The automatic formation and separation method of nickel-metal hydride batteries comprises the following steps of: (1) self-adapting charging process: charging the batteries in the process; (2) constant current discharging process: discharging the charged batteries by constant current and then entering a third step after finishing discharging; (3) separation process: adopting two steps to carry out separation, wherein the first step of separation is carried out according to voltage changes V of each battery in the step (1); the voltage change V is Vt-V0, Vt is a voltage value after the batteries are charged, and V0 is a voltage value before the batteries are charged; the second step of separation is further thinning separation based on a separation result of the first step and is carried out according to a battery capacity value Q measured in the first step; Q is sigma delta f(i)*deltat; and f(i) expresses an average current value within the time of deltaT. The separation is exact by adopting the method.

The invention discloses a data storage method and system and a data inquiry method. The system comprises a master physical database, a first memory database, a slave physical database and a second memory database. The master physical database is used for storing a first kind of data, a second kind of data and a third kind of data; the first memory database is used for storing the first kind of data in the master physical database through the master physical database, wherein the read-write consistency demands of the first kind of data are higher than those of the second kind of data. Through classifying the data stored in the master physical database according to the degrees of the consistency demands, storing the data with high consistency demands in the first memory database and synchronously copying the first kind of data in the master physical database by the first memory database, the consistency of the data with the high consistency demands is ensured.

The invention provides automatic argon arc welding equipment for a liquid storage tank. The automatic argon arc welding equipment for the liquid storage tank comprises a machine frame, a supporting device, a double-spindle clamping device, a straight line walking device, welding devices and a gas protecting device. The straight line walking device is arranged on the machine frame, the double-spindle clamping device is two spindle seats with clamps, wherein the two spindle seats are arranged opposite to each other on the same horizontal axis, and the two welding devices are separately connectedwith the two spindle seats and arranged above the two spindle seats. The supporting device is arranged in the middle of the two spindle seats. The two spindle seats walk and move towards each other through the straight line walking device, end covers clamped on both sides move along the same horizontal axis to both ends of a liquid storage tank body of the supporting device, and the liquid storage tank body and the end covers are positioned and rotated on a welding station. The gas protecting device is arranged in one of the spindle seats, the gas outlet end of the gas protecting device communicates with the inner portions of the clamped end covers, and ventilation cooling and oxidation prevention during welding are realized. According to the automatic argon arc welding equipment for theliquid storage tank body, fast and reliable automatic welding between the liquid storage tank body and the end covers can be realized.

The invention provides a high-voltage rapidly charged lithium ion battery and a preparation method thereof. The high-voltage rapidly charged lithium ion battery comprises diaphragms, pole pieces, electrolyte, a cathode current collector, an anode current collector and an aluminum-plastic film, wherein each pole piece is prepared by taking the corresponding diaphragm gas a matrix, respectively coating two side surfaces of the matrix with a cathode material and an anode material intermittently to form a cathode and an anode and then carrying out die cutting and cropping; the two diaphragm pole pieces are arrayed side by side and are connected with each other in an insulation manner; the cathode current collector and the anode current collector which are distributed side by side are connected in an insulated manner, and then non-corroded surfaces of the cathode current collector and the anode current collector are fixedly adhered to one side of the inner layer of the aluminum-plastic film; and a series current collector through which a cathode and an anode of the other side of two sheet diaphragms which are connected in an insulated manner is fixedly adhered to the other side of the inner layer of the aluminum-plastic film. The invention further provides the preparation method of the high-voltage rapidly charged lithium ion battery. During processing, the diaphragms which are coated with the cathode material and the anode material are subjected to hot cutting, special foils are not required, after the surface of a foil of an existing current collector is subjected to corrosion treatment, a conductive material coats the surface of the foil, and then the foil is assembled to obtain the final product. The high-voltage rapidly charged lithium ion battery is simple and speedy, and meanwhile, the yield is high.

The invention provides an automobile door assembly fixture. The automobile door assembly fixture comprises a fixture machine body module, driving modules, a positioning clamping module and a controller, wherein the fixture machine body module comprises a rack module and a frame module, an indexing mechanism in the rack module can realize revolving movement of the frame module, one main body of therack module adopts an inverted 'T' shaped structure, one main body of the frame module adopts a structure shaped like a Chinese character 'zhong', and the assembly fixture operation process stabilityis improved; the driving modules are controlled by servo motors and can precisely control the movement amount of an automobile door in the horizontal and vertical directions, meanwhile, the installation angle between the first driving module and the second driving module inside the driving modules is adjusted, any two-dimensional direction reciprocating movement of the automobile door is realized, the debugging cycle is shortened, and the assembly consistency is guaranteed; and the positioning clamping module adopts a flexible development design, an automobile door positioning component, an automobile body positioning component and a vacuum suction cup component can be moved and replaced inside a positioning clamping frame or respective sliding rails, and the universality of the automobile door assembly fixture is enhanced.

The invention provides a determining method for equalizing current value matched with a power battery system. The determining method comprises determination of a minimum value of the equalizing current value and determination of a maximum value of the equalizing current value, wherein the minimum value of the equalizing current value is determined according to the self-discharge capacity of the battery; the maximum value of the equalizing current value is based on the criterion that the influence on sampling accuracy of a sampling module is within an allowed range. The determining method for the equalizing current value obtains the equalizing current value satisfying the characteristic of the power battery system through the reasonable calculation method on the collected data; the minimum value and the maximum value of the equalizing current value are accurately determined; data and theory support for the power battery system in controlling the equalizing current are provided; and the demand of rapidly improving the consistency of the battery pack through the equalizing function is met, and meanwhile, the battery system can be well maintained, so that the validity and long lasting of the equalizing function are fully ensured.

The invention discloses an HMI configuration synchronization system and an HMI configuration synchronization method, and the system comprises an HMI which comprises a plurality of terminal devices running remote configuration and a relay server. The method comprises the steps that S1, any terminal device changes parameters of a remote configuration to which the terminal device belongs, and the parameters are directly transmitted to an HMI or transmitted to the HMI through a relay server; S2, corresponding parameter change is performed on the local configuration by the HMI, and uploading an updating event to the relay server when the parameter change is completed; and S3, the terminal equipment obtains the updating event from the relay server, and changes the parameters of the remote configuration to which the terminal equipment belongs according to the updating event. According to the invention, the remote configuration parameters are changed through the terminal equipment; the HMI correspondingly modifies the local configuration according to the parameters, when the HMI completes the modification, the updating event is generated and uploaded to indicate the details of the change of the parameters, and the terminal equipment changes the remote configuration according to the updating event, so that the synchronization of configuration data can be realized to improve the requirement of system consistency, and the system operation risk is reduced.

The invention discloses an electronic digital detonator remote blast system and a method thereof. The electronic digital detonator remote blast system comprises an encoder, a decoder and an exploder. The encoder converts a starting command sent by a seismometer into an excitation command of ignition and sends to the decoder. When detecting that detonation preparation is completed, the decoder forms a closed loop according to the excitation command and generates a high-voltage pulse signal to the exploder. When detecting a rising edge of the high-voltage pulse signal, the exploder outputs a detonation pulse so as to make an electronic digital detonator detonate. Simultaneously, the electronic digital detonator returns a CTB pulse to the exploder before a detonation moment. The exploder makes the decoder form a discharge loop according to a simulated CTB pulse. The decoder generates a CTB signal to the encoder. Through using a detonation control mode of the closed loop, an effect that an exploration detonator has an error and is not stable during a detonation process can be solved so that a consistency requirement between address exploration detonation and signal acquisition is greatly increased.

The invention relates to the technical field of wireless communication, provides a digital DPMR (digital private mobile radio) interphone based on single-point modulation of a digital frequency synthesizer, which is high in integration level, short in phase lock time, free from debugging, simple in circuit and high in product anti-jamming property, and can achieve fast and batched production. The digital DPMR interphone comprises a transmission circuit and a receiving circuit, wherein the transmission circuit comprises a transmission channel module, the digital frequency synthesizer, an MCU (microprogrammed control unit) controller, a base band processor and a microphone, which are sequentially connected, the base band processor is connected with a vocoder and TCXO=Temperature Compensated Crystal Oscillator respectively, and a voltage controlled crystal oscillator is connected between the base band processor and the digital frequency synthesizer; and the receiving circuit comprises a receiving channel module, a frequency detector, a low pass filter, an infra-acoustic frequency, the MCU controller, an audio power amplifier and a loudspeaker, which are sequentially connected, and the base band processor is also sequentially connected with the digital frequency synthesizer and the receiving channel module through the voltage controlled crystal oscillator.

The invention discloses a safe anti-violation video automatic sorting system model based on computer vision, and belongs to the technical field of computer sorting. Safety anti-violation video automatic sorting is carried out through a basic support layer, a technology layer, an application layer and a service layer. The production efficiency and the automation degree of production can be greatly improved by utilizing a machine vision detection method. The application of a machine vision product has an obvious cost advantage on the substitutability of manual work, and has a higher consistency requirement. The saliency map generated by the model provided by the invention not only can effectively cover the boundary of the power equipment, but also has high contrast ratio between the equipment area and the background area, so that the saliency of the background area is well inhibited. According to the method, deep learning is closely related to a traditional machine learning method, a deep learning module is added into a traditional machine learning framework, and higher equipment sorting recognition accuracy can be obtained.

The invention discloses an out-of-plane axial detection MEMS capacitive accelerometer with low cross-axis sensitivity, and belongs to the field of MEMS inertial devices. The accelerometer comprises astructural layer, a substrate layer and a silicon cover plate; the sensitive structure of the accelerometer comprises four sets of orthogonally distributed sensitive mass units and an unbalanced massblock. and each set of sensitive mass unit is connected with the central mass block through two connecting beams. the center of each detection mass block comprises two anchor points, and each anchor point is connected to the detection mass block through two elastic torsion beams. According to the Z-axis MEMS accelerometer with low cross-axis sensitivity, the sensitive structure with the large massblocks is adopted, common-mode interference is reduced through the multiple differential mass blocks, and low cross-axis sensitivity is achieved through the orthogonally-distributed sensitive mass units.

The invention discloses a saw blade arranging machine. The saw blade arranging machine comprises a working table board, a conveying belt, a feeding mechanism and a conveying mechanism, wherein a four-axis manipulator is installed on the working table board, a paw of the four-axis manipulator is a sucker, the conveying belt is provided with a plurality of partition plates, a first groove is formedbetween every two adjacent partition plates, the feeding mechanism comprises a stock bin and a vibrating plate, the stock bin is installed on the upper end face of a fixing plate, the conveying mechanism comprises a conveying groove which is formed in the fixing plate and is used for allowing the linear movement of a saw blade, a second groove is formed in the upper end face of the fixing plate, the stock bin is located right above the second groove, the end, close to the conveying groove, of the second groove communicates with the conveying groove, a push plate is arranged at the end, far away from the conveying groove, of the second groove, the push plate is fixed on a pushing mechanism, a through hole is formed in the bottom of the tail end of the conveying groove, a driving source is arranged at the front end of the conveying groove, and an image shooting mechanism is arranged right under the through hole. According to the saw blade arranging machine, full-automatic operation can be carried out for 24 hours, so that manual arrangement is saved, the defects of a product can be detected, and the product quality is improved.

The invention discloses a power industry multi-party information sharing method based on a block chain technology, and the method comprises the steps: enabling a data publisher to authorize data, enabling an enterprise to link the data needing to be shared through a front-end system, enabling a data user to use a private key of the enterprise, carrying out the decryption of a symmetric encryption key on a chain, obtaining a random number of the symmetric key; firstly, obtaining an encrypted original symmetric key from an original data structure, decrypting the key by using a public key, then encrypting the symmetric key by using a private key of an authorized user, establishing a mapping relationship between the encrypted symmetric key and an evidence storage id, obtaining an encrypted original symmetric key corresponding to an account from the original data structure based on the evidence storage id and the account, decrypting the key by using the public key, and using the key for decrypting data and files. The method is designed according to the data type and the system structure, so that a user can have strong consistency among multiple nodes, and the authenticity and credibility of the data are guaranteed.

The invention discloses an HMI configuration synchronization system and method. The system includes an HMI, a plurality of terminal devices and a relay server running remote configuration. The method includes: S1. Any terminal device changes the parameters of the remote configuration to which it belongs, and transmits the parameters to the HMI directly or through a relay server; S2. The HMI changes the corresponding parameters for the local configuration, and uploads the parameter when the parameter change is completed. Update the event to the relay server; S3. The terminal device obtains the update event from the relay server, and changes the parameters of the remote configuration to which it belongs according to the update event. The present invention changes the parameters of the remote configuration through the terminal equipment, and the HMI modifies the local configuration according to the parameters. When the modification is completed, the HMI generates and uploads an update event to illustrate the details of the parameter change, and the terminal equipment changes the remote configuration according to the update event. , can realize the synchronization of configuration data to improve the requirements of system consistency and reduce the risk of system operation.

The invention discloses a processing method of a piezoelectric composite material. The processing method comprises the following steps: 1) attaching a second surface of the piezoelectric material to a plane; 2) cutting the first surface of the piezoelectric material and forming a first cutting groove on the first surface; (3) filling the first cutting groove with a polymer, and curing the polymer; (4) taking down the piezoelectric material from the plane; (5) attaching the first face of the piezoelectric material to the plane; (6) cutting the second face of the piezoelectric material along the first cutting groove, a second cutting groove is formed in the second face, so that the first cutting groove and the second cutting groove are communicated; (7) filling the second cutting groove with a polymer, and curing the polymer; and 8) taking down the piezoelectric material from the plane to obtain the piezoelectric composite material. The processing method of the piezoelectric composite material can meet the processing requirements of array piezoelectric materials and the requirements of improving the yield and consistency, and has the advantages of being simple and low in cost.

The invention provides a growth method of a micro light emitting diode epitaxial wafer, which belongs to the technical field of semiconductors. The growth method comprises the following steps of providing a substrate, and sequentially growing an N-type layer, an active layer and a P-type layer on the substrate. The step of growing the N-type layer on the substrate comprises the sub-steps of growing a plurality of first N-type layers and second N-type layers on the substrate, wherein the first N-type layers and the second N-type layers grow periodically and alternately, introducing hydrogen andsilane into the reaction chamber, growing a first N-type layer under the high-temperature condition, wherein the first N-type layer is a Si-doped GaN layer, and stopping introducing hydrogen and silane into the reaction chamber, reducing the temperature in the reaction chamber, and growing a second N-type layer on the first N-type layer, wherein the second N-type layer is an undoped GaN layer. Byadopting the growth method, the stress in the N-type layer can be repeatedly released for multiple times, the warping of the epitaxial wafer is greatly improved, the consistency of various parametersof the micro light emitting diode is better, and the requirement of high consistency of various parameters of the micro light emitting diode is met.

The invention discloses a material for preparing a hydrophilic micro-fluidic chip, and the micro-fluidic chip. The material is prepared from, by weight, 100 parts of a sizing material, 0.1 to 5 partsof a hydrophilic auxiliary agent and 1 to 5 parts of a color master batch. The micro-fluidic chip is made of the material through one-step processing of injection molding. The material for preparing the hydrophilic micro-fluidic chip is simple in formula, the hydrophilic auxiliary agent cannot be denatured due to the influence of injection molding conditions, and the characteristics of color, character and the like of the chip cannot be influenced. Hydrophilic modification treatment does not need to be additionally carried out on the surface of the chip, the prepared chip has hydrophilicity immediately, the non-specific adsorption of the chip is effectively reduced, and the production time and the process cost of the chip are greatly saved.

The invention discloses cable axial cutting equipment, which belongs to a cable processing device. The equipment comprises a mounting table, a workbench and a cutting device, and is characterized in that the workbench adopts a lifting structure and is provided with a wire shell and a rotary clamping device, so that a cable can be accurately cut, and the cutting depth is adjusted through the lifting structure; the cutting angle is adjusted through the rotary clamping device, compared with existing manual cutting, the cutting precision and the product quality can be remarkably improved, the structure is simple, the machining is convenient, the consistency and accuracy of cable assembly machining can be guaranteed, the wire stripping problem of a shielding layer is successfully solved, a foundation is provided for later similar machining modes, and the equipment has wide application prospects.