43results about How to "Easy selection" patented technology

The utility model provides a welding wire pay-off machine. The welding wire pay-off machine comprises a bearing mechanism, a wire pay-off mechanism and a tail jacking mechanism, the wire pay-off mechanism and the tail jacking mechanism are installed on the bearing mechanism, and the wire pay-off mechanism comprises a wire pay-off tip cone assembly, a first transmission assembly fixedly connected with the wire pay-off tip cone assembly and a wire pay-off driving assembly fixedly connected with the first transmission assembly. The wire releasing driving assembly can drive the spool to rotate through the first transmission assembly and the wire releasing tip cone assembly so as to achieve automatic wire releasing. The tail top mechanism comprises a tail top tip cone piece, a second transmission assembly fixedly connected with the tail top tip cone piece and a tail top driving assembly fixedly connected with the second transmission assembly, the tail top tip cone piece is used for being connected with the spool, and the tail top driving assembly can drive the tail top tip cone piece to move back and forth in the direction where the central axis of the spool is located through the second transmission assembly. The welding wire pay-off machine is used for being matched with a large-diameter spool, the welding wire production cost can be reduced, and the welding wire production efficiency can be improved.

The invention discloses an air gap streaming type ventilation cooling method for a long-iron-core low-speed wind power motor, and belongs to the technical field of wind driven generators, and the method comprises the following steps: S1, arranging a stator frame with a ventilation cavity at the inner diameter side of an iron core of a stator, and arranging an air gap between the stator and a rotor; s2, cooling air is introduced into a cold air cavity of a cold air area of the stator base through a cooling fan; and S3, cooling air enters the air gap through the cold air cavity and the stator iron core ventilating duct in sequence, and then enters the hot air cavity of the hot air area of the stator base through the stator iron core ventilating duct so as to cool the iron core of the stator and the stator coil embedded in the stator iron core groove. According to the invention, through an air gap flow-around ventilation cooling mode, the uniformity of circumferential cooling air volume can be greatly improved, and meanwhile, the distribution of the air speed passing through the stator core ventilation duct in the axial direction is more uniform than that of a traditional structure, so that the motor cooling effect is greatly improved.

The present invention discloses an inner wheel difference control method based on asynchronous sampling during vehicle turning. The present invention establishes a mathematical model of a vehicle system under incomplete constraints with the rear wheel axle center as the vehicle position reference point, avoids the space occupation of the turning area during the vehicle turning process by tracking and controlling the rear wheel axle center for the expected trajectory, and reduces the inner wheel difference during the turning process of the existing vehicle; in the design process of the asynchronous sampling control law of the steering subsystem and the position subsystem, the present invention is different from the idea of ​​avoiding the rear wheel axle center as the reference point in the existing vehicle control design, and uses the constructed coordinate transformation to pre-process the incomplete vehicle model to reduce the design difficulty of the sampling control law. The steering control law and position control law obtained by design not only realize the precise control of the position of the center point of the rear wheel axle of the vehicle, but also use the transmission mechanism based on asynchronous sampling to reduce the difficulty of hardware selection and digital realization in the actual engineering application process.

The application discloses an integrated steel casing sinking device and a use method thereof, and the device comprises a spiral drill rod, a motion isolation unit, an elastic centering unit and the like. The outer wall of the spiral drill rod is provided with paddle-shaped blades capable of continuously rotating and ascending. The motion isolation unit comprises a positioning assembly, a positioning base body, a clamping groove arranged on the wall of the steel casing, and a clamping unit. The elastic centering unit comprises an abutting wheel, a rotating connecting block, a sliding telescopic rod, a centering spring sleeved on the outer wall of the sliding telescopic rod, a tail limiting groove and a drilling condition sensing unit. The spiral drill rod is used as a pile driving bit, so that the technical effect of excavating soil layers is achieved, and the paddle-shaped blades capable of spirally ascending are simultaneously used to automatically transport the excavated soil upwards. In addition, the motion state of the bit is isolated by using the motion isolation device, so that the motion isolation between the steel casing and the spiral drill rod rotating in the middle is achieved as a whole, and the rotation of the steel casing caused by the motion of the spiral drill rod is effectively blocked.

This invention discloses a method for simulating the transportation efficiency of long-distance, steep-slope tunnel construction adit. The method divides the material transportation process of a tunnel boring machine (TBM) into two phases: heavy-load entry into the tunnel and empty-load exit. Based on the kinematic principles of force, motion models are sequentially established for heavy-load external tunnel transportation, heavy-load adit downhill transportation, heavy-load main tunnel transportation, empty main tunnel transportation, empty adit uphill transportation, and empty external tunnel transportation. A time-discrete numerical integration method is used to calculate the acceleration, velocity, displacement, and running time of each motion model at each moment with a small time step. By simulating the transportation efficiency under different equipment parameters and working conditions using the motion models, the selection of transportation equipment, adit slope design, and braking system configuration parameters are determined. The advantages of this invention are that it achieves accurate dynamic simulation calculation of the transportation efficiency inside and outside the tunnel during TBM construction, providing intuitive guidance for transportation equipment selection, braking system configuration, and optimization of adit slope design.

The invention discloses a diaphragm compressor with a two-stage counter-moving plunger pump structure and a design method of the diaphragm compressor. The diaphragm compressor comprises a first-stage plunger pump and a second-stage plunger pump, and the first-stage plunger pump and the second-stage plunger pump are installed on the two symmetrical sides of a compressor end cover correspondingly; hydraulic oil sealing is carried out between plunger pump bodies of the first-stage plunger pump and the second-stage plunger pump and a compressor end cover, between the plunger pump bodies and plunger pump linings, between the plunger pump bodies and plunger pump covers and between the plunger pump linings and plunger pump plungers in the plunger pump linings. The first-stage plunger pump and the second-stage plunger pump are driven by the eccentric wheel structure, and under the combined action of the counter-acting force of the plunger pump springs and the friction force of the plunger pumps, the oil feeding process, the pressure increasing process, the oil discharging process and the pressure reducing process are achieved. According to the method, the diameter and the stroke of the plunger of the plunger pump can be determined, the minimum spring force needed by the spring of the plunger pump and the optimal mounting angle range of the two-stage plunger pump can be determined, and a design scheme, performance prediction and optimization directions are provided for prolonging the service life of the plunger pump, improving the reliability of the plunger pump and the like.

The invention discloses a test and evaluation method for live-action modeling of a nerve radiation field, and the method comprises the following steps: S10, carrying out data set preparation: collecting a public data set, carrying out the live-action shooting of a forward data set and a reverse data set with a designed place, carrying out the targeted enhancement of a data set, and generating a data set through employing AIGC; the data set is used for training a modeling model or a test model of the system; s20, based on the situation that a user may use different functions of applications in parallel in an actual user scene, policy task issuing is carried out in an interface calling mode; s30, carrying out system equipment performance monitoring and modeling duration recording, analyzing state data and a trend thereof, analyzing whether a task is abnormal or not and whether performance consumption and task duration are reasonable or not, and carrying out targeted optimization based on a target; and S40, after task operation is completed and operation data is recorded, the modeling success rate and the modeling effect are evaluated.

The utility model provides a wire releasing mechanism of a welding wire spool. The tip cone assembly is used for being connected with a welding wire spool and can drive the welding wire spool to rotate, the transmission assembly is fixedly connected with the tip cone assembly, the transmission assembly comprises a flange cylinder, a transmission shaft and a bearing set, part of the transmission shaft is contained in the flange cylinder, the two ends of the transmission shaft stretch out of the flange cylinder, and the bearing set is installed on the transmission shaft. The flange cylinder is connected with a rack provided with a wire releasing mechanism, and the first extending end of the transmission shaft is connected with the tip cone assembly. The driving assembly comprises a motor, a first belt pulley installed on an output shaft of the motor, a second belt pulley installed at the second extending end of the transmission shaft and a belt, the second belt pulley is connected with the first belt pulley through the belt, and the diameter of the second belt pulley is larger than that of the first belt pulley. The wire releasing mechanism provided by the utility model can drive the welding wire spool with larger weight to realize automatic wire releasing, and has the advantages of compact design and high wire releasing speed.

The invention is suitable for the technical field of image processing, and provides a face image selection method, device and equipment and a storage medium, and the method comprises the steps: obtaining an upper feature point and a lower feature point of an eye in a to-be-discriminated face image and an associated cooperative judgment feature point, and carrying out the recognition of the to-be-discriminated face image based on the upper feature point, the lower feature point and the cooperative judgment feature point; determining the opening degree data of the eyes; and under the condition that the opening degree data indicates that the eyes are in the target state, determining the face image as a target image. According to the scheme, the calculation complexity of the eye opening degree can be reduced, the representation accuracy of the eye opening degree is improved, and the image selection effect is improved.

The invention provides an immunochromatography detection result reading method and device based on solid quantum enhancement, and relates to the technical field of immunochromatography detection. The immunochromatography detection result reading method comprises the following steps: emitting exciting light to a standard substance to excite the standard substance to generate a fluorescence signal for detection; microwaves are output to a standard substance, so that the standard substance generates spin resonance, and the intensity change of a fluorescence signal is caused; collecting the fluorescence signal after intensity change to obtain an optical detection magnetic resonance ODMR reference spectral line; determining a corresponding microwave calibration frequency according to the optical detection magnetic resonance ODMR reference spectral line; exciting light and microwaves which are calibrated according to the microwave calibration frequency and are subjected to amplitude or frequency modulation are emitted to a tested sample; and respectively detecting the fluorescence intensity variation of the quality control line and the detection line to obtain an immunochromatography detection result of the detected sample. The microwave frequency is calibrated by using the standard substance, the interference of background fluorescence is effectively shielded, and the detection sensitivity and accuracy are improved.

This application provides a power module including a transformer and a rectifier circuit. The transformer includes a magnetic core and windings. The rectifier circuit is electrically connected to the windings. The magnetic core further includes: a first cover plate; a second cover plate disposed opposite to the first cover plate; a first magnetic post; and a second magnetic post with a magnetic flux direction opposite to that of the first magnetic post. The first and second magnetic posts are connected between the first and second cover plates. The windings further include: a first winding wound on the first magnetic post; and a second winding wound on the second magnetic post, wherein the first and second windings have a shared winding portion, at least a portion of which is located between the first and second magnetic posts. The rectifier circuit further includes: a plurality of rectifier components, including a first rectifier component, a second rectifier component, a third rectifier component, and a fourth rectifier component electrically connected to form a full-bridge rectifier circuit.

The utility model discloses a kind of multi-element integrated high-voltage capacitor, it is related to capacitor technical field, the utility model includes shell, baffle and limit strip are respectively fixed in shell inner wall, baffle is provided in shell inside, and two or more than two capacitor elements are provided in baffle top, and lead wire is fixed in the both ends of capacitor element, glue injection hole is opened in baffle bottom, and sealant is filled in the gap of shell inside.The utility model is provided with shell, capacitor element and lead wire, shell and baffle cover capacitor element, capacitor element lead wire is stretched out from baffle and shell bottom, forms a capacitor, two or more than two capacitor elements in shell inside, connect using parallel or series connection mode;When customer installs and uses, multiple capacitors on circuit board need not be carried out in series-parallel connection, just install this multi-element integrated high-voltage capacitor, simplify customer operation, and compared with multiple capacitors in series-parallel connection on circuit board, it is small to occupy PCB board space, reduce equipment volume.

The invention provides a converter control method and device, control equipment and a converter, and belongs to the technical field of power supplies. The converter comprises at least two inversion modules; a communication module is arranged between the midpoints of the DC buses of every two adjacent inversion modules, and the communication module comprises a first switch and a first buffer unit which are connected in parallel; the method comprises the following steps: acquiring a midpoint potential of a direct-current bus of each inversion module; for every two adjacent inversion modules, if the midpoint potentials of the DC buses of the two inversion modules are not equal, a first buffer unit between the two inversion modules is controlled to be switched on, and after the first buffer unit is switched on, a first switch between the two inversion modules is controlled to be switched on. According to the method, zero-sequence circulating current between the inversion modules can be avoided, carrier synchronization control in advance in a software control method and strict synchronization of a control process are not needed, and the control process is relatively simple.

The present invention discloses an output protection circuit of an inverter circuit, comprising an inverter circuit, an output current and output voltage sampling circuit, a working current sampling circuit, a first and a second short-circuit current judgment circuit, a short-circuit voltage judgment circuit, a delay circuit and a reference voltage control circuit. The output current and output voltage sampling circuits are used to respectively sample the output current and the output voltage and transmit them to the first short-circuit current judgment circuit and the short-circuit voltage judgment circuit for output short-circuit judgment, and jointly control the reference voltage control circuit to lower the reference voltage of the second short-circuit current judgment circuit when the output is short-circuited. The working current sampling circuit is used to sample the working current of the switch tube and transmit it to the second short-circuit current judgment circuit for short-circuit judgment, and output the short-circuit signal to the drive circuit of the inverter circuit for short-circuit protection. The delay circuit is used to delay the reference voltage of the second short-circuit current judgment circuit to recover to an initial voltage value.

The utility model provides a tail jacking mechanism of a wire pay-off device of a welding wire spool. The tail jacking mechanism comprises a tip cone piece used for being connected with the spool, a transmission assembly fixedly connected with the tip cone piece, and a driving assembly fixedly connected with the transmission assembly and capable of driving the transmission assembly to move back and forth in the direction where the central axis of the spool is located, the transmission assembly comprises a barrel with a shaft hole, a transmission shaft partially contained in the barrel, penetrating through the shaft hole and fixedly connected with the tip cone piece, and a bearing set installed on the transmission shaft and fixedly connected with the barrel. The first bearing is installed at the end, close to the tip cone piece, of the transmission shaft, the second bearing is installed at the end, away from the tip cone piece, of the transmission shaft, the third bearing is located between the first bearing and the second bearing, the first bearing and the second bearing are used for bearing radial force, and the third bearing is used for bearing axial force. The tail jacking mechanism provided by the utility model is used for compressing and fixing the large-diameter spool, and has the advantage of convenience in compressing and fixing.

The invention belongs to the technical field of battery charging and discharging management, and particularly provides a bidirectional wide-range DCDC module and a control method thereof. Comprising a first isolation DCDC conversion circuit, a second isolation DCDC conversion circuit, an input capacitor C1, an input capacitor C2, an input soft start circuit, an output capacitor C3, an output capacitor C4, a series-parallel adjustment switch S1, a series-parallel adjustment switch S2, a series-parallel adjustment switch S3, an output soft start circuit, a microcontroller and a power supply for supplying power to the whole module. Starting impact current caused by a thin-film capacitor when multiple modules are connected in parallel is eliminated, power at the two ends of the converter can be accurately controlled, model selection of power semiconductor devices is facilitated, cost is reduced, transient current overshoot when a constant-voltage state is switched to a constant-current state is eliminated through a voltage and current double-closed-loop control method, switching devices are protected, error protection is avoided, and reliability of the converter is improved. According to the voltage-sharing and current-sharing control method, voltage and current balancing of the two DCDC converters in the module is achieved, the overvoltage or overcurrent phenomenon of one module is avoided, an output capacitor and a switching device are protected, and the module works stably and reliably.

The invention relates to a circuit system of a multi-rotor unmanned aerial vehicle FCS and a power management method thereof, and relates to the field of fuel cells and unmanned aerial vehicles. According to the circuit system of the multi-rotor unmanned aerial vehicle FCS and the power management method of the circuit system, the problem of matching of a multi-voltage platform circuit system architecture when a hydrogen fuel cell system and the unmanned aerial vehicle are integrated is solved, and a more reasonable power management control method is provided to realize safe, accurate and efficient control of the system. Specifically, a part power supply mode of a multi-voltage platform is provided, the power supply voltage is stable, and model selection and platform design of system parts are facilitated; the power supply of the parts of the multi-voltage platform can be independently controlled, and the control can be completed by selecting the buck-boost power supply management module or the controller FCU, so that the power supply management of the parts is facilitated; the voltage platforms are powered on step by step and self-checked step by step, the fault probability is reduced, the service life of parts is prolonged, and the range of possible reasons of faults can be further narrowed conveniently through step-by-step power-on.

The application provides a fastener assembly space verification method, device and electronic equipment. The fastener assembly space verification method comprises the following steps: S1, acquiring technical parameters of a connecting piece, and serializing the connecting piece according to the technical parameters; S2, selecting an assembly tool matched with the connecting piece, and integrating the assembly tool and the connecting piece into a virtual assembly unit; and S3, selecting the virtual assembly unit according to a connecting piece to be verified, matching the connecting piece in the virtual assembly unit with the connecting piece to be verified, and judging whether the matching meets assembly space assembly conditions. According to the fastener assembly space verification method, the connecting piece is serialized, and the connecting piece and the assembly tool are integrated into the virtual assembly unit, so that the tool selection is simplified, the verification efficiency of the tool space is improved, and software integration is facilitated.

The invention discloses a passive auxiliary soft switching power amplifier based on hybrid ZVS (Zero Voltage Switching) / ZCS (Zero Voltage Switching). The passive auxiliary soft switching power amplifier comprises a double-direct-current voltage module, a double-resonant capacitor and resonant inductor passive soft switching network, a midpoint double-path parallel bridge arm, a double-switching tube high-frequency main power output bridge arm, a double-parallel auxiliary capacitor and an LC filtering output network. The passive auxiliary device adopted by the invention is simple, an additional auxiliary switch tube and a driving module are not needed, and the control complexity is greatly reduced; the design that the resonant inductor is connected in series with the midpoint bridge arm avoids the direct connection risk of the bridge arm fundamentally, dead time does not need to be set, and the operation reliability is improved; meanwhile, a hardware condition is created for realizing hybrid ZVS / ZCS for the full-switching tube, so that the switching loss is reduced, the heat loss of the whole machine is reduced due to the low-loss characteristic of the passive network, the heat dissipation design can be simplified, and the service life of the device can be prolonged; and the network structure is simple, small in size and easy to integrate.

The invention relates to the technical field of battery management, and discloses a BMS active equalization circuit and a working method thereof, in the circuit, each multi-winding transformer corresponds to two transformer selection switch groups which are respectively connected to two ends of a winding; each battery pack corresponds to two degree-of-freedom switch modules; in the battery pack, all the battery cell switch modules connected with the positive electrodes of the single battery cells are connected to one degree-of-freedom switch module, and all the battery cell switch modules connected with the negative electrodes of the single battery cells are connected to the other degree-of-freedom switch module; the two degree-of-freedom switch modules are respectively connected with the two transformer selection switch groups in a one-to-one correspondence manner; in the control module, an AFE chip collects a voltage signal of each single cell, and a main control chip controls on-off of each switch module. According to the invention, the cost and technical risk are reduced while functions are improved, random combination of adjacent battery cells can be realized, the charging and discharging balance freedom degree is increased, the number of transformers is reduced, and high cost performance is realized.

The present application relates to the technical field of coal mine engineering, and discloses a coal seam permeability improvement technology effect comprehensive evaluation system and a quantitative model construction method, which comprises the following steps: S1, obtaining multi-source engineering monitoring data and detection data in the application of coal seam permeability improvement technology; S2, extracting evaluation parameter information of the coal seam permeability improvement technology effect and classifying the evaluation parameter information; S3, constructing a multi-dimensional comprehensive evaluation index system; S4, quantifying and standardizing the evaluation indexes; S5, determining the weight parameters of the evaluation indexes; S6, obtaining the comprehensive evaluation score of the coal seam permeability improvement technology; and S7, outputting the evaluation result of the coal seam permeability improvement technology effect. Through the construction of the multi-dimensional comprehensive evaluation index system and the introduction of the quantitative model of index quantification, direction consistency processing, weight fusion and hierarchical aggregation, unified and quantifiable evaluation of the coal seam permeability improvement technology effect is realized, and the evaluation indexes of the coal seam permeability improvement technology effect are uniformly quantified, comprehensively represented and objectively compared.

The utility model belongs to automatic feeding technical field especially relates to a kind of automatic positioning feeding mechanism.A kind of automatic positioning feeding mechanism, including bottom plate, feeding assembly, positioning assembly, blanking assembly and clamping assembly;The positioning assembly includes support frame, is set in the positioning plate of support frame, is fixedly connected in the positioning plate L-shaped limit block, positioning block one and positioning block two of sliding in the support frame, drive positioning block one and positioning block two reciprocating sliding drive component;The clamping assembly includes PPU manipulator, two clamping driving pieces and clamping jaw of the mobile end fixed connection of PPU manipulator;The PPU manipulator each cycle, can drive two the clamping jaw respectively on feeding assembly on the product to be processed transfer to positioning plate, on the processed product on positioning plate transfer to blanking assembly.The utility model can realize automatic feeding and discharging, can be processed and processed product synchronous transfer to unprocessed and simple structure and can be quickly positioned.

The utility model relates to the technical field of sensors, in particular to a pressure and temperature sensor which comprises a base, a conducting piece and a temperature sensing unit, a sealing groove is formed in the first end of the base, the conducting piece is arranged in the base in an insert injection molding mode, and the temperature sensing unit is arranged in the sealing groove. One end of the conduction piece extends out of the sealing groove of the base and is electrically connected with the temperature sensing unit, the sealing groove is filled with sealant, and the joint of the conduction piece and the base is completely sealed in the sealing groove; the sealing structure has the advantages of high sealing reliability, low requirement on glue, flexible production process, low manufacturing cost and the like.

The utility model relates to a high-strength anti-twisting flat high-speed elevator balance cable, which comprises a plurality of cable cores, and every six cable cores are twisted to form a cable. The plurality of wire cores are twisted together to form six groups of cables, and the six groups of cables are wrapped by the outer sheath. Every six wire cores are twisted to form a cable, and a cable filler is arranged in the middle of the cable. Every two of the six groups of cables are adjacent to each other. The utility model aims to overcome the defects in the prior art and provide the high-strength torsion-resistant flat high-speed elevator balance cable, the high-strength performance can meet the requirement of long-time operation of the cable, the torsion-resistant performance also solves the problem of stability of high-speed operation of the cable, and the quality of the cable is effectively improved.

The invention relates to an LED drive circuit, in particular to an LED drive circuit based on IO pins of an MCU. The LED driving circuit comprises an MCU (Microprogrammed Control Unit) and n IO (Input / Output) pins, an LED is connected between every two IO pins in the IO pins, the MCU controls each IO pin to carry out high-level, low-level and floating output and drives each LED in at most n * (n-1) LEDs to be independently lightened, and n is greater than or equal to 3. The MCU is used for carrying out combination of high level, low level and floating output on a plurality of IO pins, independent lighting of n * (n-1) LEDs can be supported at most, the least required number of IO pins can be deduced reversely according to the number of the LEDs needing to be controlled actually, MCU model selection during circuit design is facilitated, the model selection requirement is reduced, the model selection range is expanded, and the circuit design efficiency is improved. The cost control of the product is facilitated, and meanwhile, the arrangement of the LEDs on the line can be correspondingly guided.

The utility model discloses an LED packaging structure and a polychromatic light LED light source, and the LED packaging structure comprises a substrate which is provided with a packaging surface, and the packaging surface is provided with electrodes which are arranged in pairs; the LED chip is mounted on the electrode; the fluorescent part is mounted on the light emitting surface of the LED chip; the packaging piece is mounted on the substrate and surrounds and is attached to the side surfaces of the LED chip and the fluorescent layer; the size of the end, attached to the LED chip, of the fluorescent piece is the same as the size of the light-emitting face of the LED chip. The LED light source has no yellow ring light spots, can cope with various secondary optical designs, and does not cause light spot chromatic aberration, so that the LED light source has high light color consistency and high reliability, and does not have the chromaticity problem after reflection and refraction.

The invention relates to an intelligent tool optimization device and method, electronic equipment and a storage medium. The intelligent tool optimization method comprises the steps that the intelligent tool optimization device comprises an input module used for inputting to-be-machined process data and comprising a structured part process module and a numerical control machining chart module; the processing module is used for processing knowledge reasoning and processing parameter recommendation, and comprises a processing template reasoning module used for reasoning a part processing procedure method and flow; the tool reasoning module is used for reasoning tool types and tool parameters; the cutting parameter recommendation module is used for reasoning a processing method and cutting parameters; and the output module is used for tool selection and machining parameter endowing and comprises a machining template selection module, a tool selection module and a cutting parameter endowing module. According to the intelligent tool optimization device, cutting parameters of numerical control machining can be optimized and selected, the machining quality and efficiency of parts are improved, and the manufacturing cost is reduced.

The application discloses a kind of based on air intake volume prediction vehicle front end cooling module design method and system, belong to automobile cooling system air volume matching and application technical field, including: obtain the key factor data of current vehicle front end cooling module design scheme under the influence radiator air intake volume;For key factor data, respectively using convolutional neural network and graph convolutional neural network extract the non-space feature and spatial feature of the cooling module currently designed;The extracted features are input into the air intake volume prediction model, and the predicted air intake volume under the current design scheme is output;Constantly adjust key factor data to generate different design schemes, and predict the air intake volume under different design schemes, according to the predicted air intake volume adjustment and screening, obtain the optimal cooling module design scheme.The application adopts the radiator air intake volume prediction mode based on neural network, simultaneously with feedback mechanism, improve the cooling module selection process, speed up the design iteration of front grille, improve research and development efficiency.

The present invention relates to a method for separating rare earth elements and fluorine in fluoride rare earth slag, comprising: mixing the fluoride rare earth slag with a zinc compound and then calcining it at normal pressure; then calcining it at reduced pressure, collecting zinc fluoride condensate, and obtaining calcined slag. The method according to the present invention can use cheap raw materials and simple equipment to achieve the separation of rare earth elements and fluorine in the fluoride rare earth slag, so it is efficient and low in cost.