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83results about How to "Reduce jumping" patented technology

Precise recognition algorithm for passing characteristics of whole vehicle type based on space-time fitting

The invention belongs to the technical field of intelligent traffic, and discloses a space-time fitting-based whole vehicle type traffic feature accurate recognition algorithm, which comprises the steps of obtaining driver behavior data, vehicle dynamic data and road supervision data; preprocessing the driver behavior data, the vehicle dynamic data and the road supervision data to obtain a driver behavior feature data set, a vehicle dynamic feature data set and a road supervision feature data set; according to the vehicle dynamic feature data set and the road supervision feature data set, obtaining a vehicle initial driving track; optimizing the initial driving track of the vehicle through an improved space-time interpolation algorithm to obtain a complete driving track of the vehicle; according to the complete driving track of the vehicle, the vehicle driving speed of each road section is calculated and compared with the limiting speed of the corresponding road section, and whether the vehicle is overspeed is judged; and traffic accidents caused by overspeed, fatigue driving and the like are effectively avoided.
Owner:JILIN LANGCHUANG TECHNOLOGY CO LTD

A pipe gear rolling machine and gear rolling method

The present invention discloses a pipe gear rolling machine and a gear rolling method, which belong to the technical field of pipe processing. The pipe gear rolling machine includes a pipe conveying mechanism, a gear rolling main machine and a through-rod conveying mechanism. The pipe conveying mechanism includes a pipe conveying frame, a pusher assembly arranged on the pipe conveying frame and a plurality of pipe roller assemblies arranged along the length direction of the pipe conveying frame. The pusher assembly includes a push rod and a push rod driving mechanism. A follower pipe head is rotatably arranged on the push rod, and a ring table is arranged on the follower pipe head. The push rod driving mechanism includes a driving wheel, a driven wheel, a synchronous belt and a push rod driving motor, and the push rod driving motor is connected to the driving wheel through a clutch. The push rod of the present invention can push the pipe to be loaded, the through-rod can support the pipe, and the pipe can maintain the insertion fit with the push rod when the pipe is discharged. The push rod is passively pushed back from the pipe, which reduces or even avoids the jumping, noise and the throwing out of the cutting fluid in the pipe during the processing and discharge of the pipe, thereby ensuring the tooth rolling quality of the pipe.
Owner:MOON ENVIRONMENT TECH CO LTD

Data processing and quality evaluation method for efficiency test data of electric drive system

The invention discloses a data processing and quality evaluation method for efficiency test data of an electric drive system. The method comprises the following steps: acquiring an original electric drive efficiency test data set; performing noise reduction on the original electric driving efficiency test data set through a probability distribution-based data noise reduction method to obtain a noise-reduced electric driving efficiency test data set; carrying out the first abnormity detection and processing of the noise reduction electric drive efficiency test data set through a DBSCAN model, and obtaining a preliminary screening electric drive efficiency test data set; carrying out the second anomaly detection and processing of the preliminary screening electric drive efficiency test data set through an LOF algorithm model and an iForest algorithm model, and obtaining a preprocessed electric drive efficiency test data set; and performing quality evaluation on the preprocessed electric drive efficiency test data set through the constructed six-tuple data quality model. According to the invention, effective noise reduction and abnormity detection can be carried out on the efficiency test data of the electric drive system, so that the data quality is improved.
Owner:CHONGQING UNIV OF TECH

Controller for accelerated calculation and accelerated calculation system

The embodiment of the invention provides a controller for accelerated calculation and an accelerated calculation system.The controller is characterized in that accelerated calculation units in the same accelerated calculation unit group are sequentially connected through an internal bus and are connected to the same shared memory through the internal bus, so that data sharing is achieved; the acceleration calculation units in the other group adjacent to the acceleration calculation units in different acceleration calculation unit groups are in communication connection, and the acceleration calculation units in the other group located on the opposite side are in communication connection. According to the method and the device, the problem that the calculation efficiency of the acceleration calculation task is reduced due to the fact that the on-chip interconnection technology is restricted by a network topology structure and delay is large in a part of transmission processes in the related technology is solved, and the effect of improving the calculation efficiency of the acceleration calculation system is further achieved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Method for identifying touch operation and electronic equipment

The invention discloses a method for identifying a touch operation and electronic equipment, relates to the technical field of terminals, and aims to improve the accuracy of identifying the touch operation of a user so as to ensure that the touch operation of the user is accurately responded, especially under the condition that water exists on a touch screen of the electronic equipment, the touch operation of the user can be accurately responded. The problems of touch point misrecognition and misresponse caused by water can be avoided. In the application, the electronic equipment not only can identify whether water, such as static water, exists in the touch area, but also can identify whether water with variable tracks exists in the touch area, and adopts a corresponding suppression means after identification; for example, the touch action of a touch area with water is inhibited to respond, the touch action of a touch area through which water passes is inhibited to respond, and the touch action in a preset range of a historical touch track is inhibited to respond, so that the problems of mistaken recognition and mistaken response of a touch point caused by water can be avoided, and the user experience is improved. And the user experience is improved.
Owner:HUAWEI TECH CO LTD

Method for calculating radiation dose rate based on pulse counting

The invention discloses a method for calculating a radiation dose rate based on pulse counting, which is used for filtering the influence of a large pulse generated under the condition of jitter or other interference in a dose rate calculation process on dose rate jitter calculation, and can effectively reduce the dose rate jitter caused by the interference. Meanwhile, pulse increase or decrease caused by normal rapid increase or decrease of radiation is responded in time, dose rate output is rapidly calculated, that is, when the radiation is rapidly increased or decreased, the dose rate change time is shortened, and therefore the current dose rate level is displayed more timely and stably; through the method provided by the invention, the calculation of the dose rate can effectively filter abnormal pulses and reduce fluctuations, and meanwhile, when the radiation intensity changes quickly, quick response can be realized, the timeliness of dose rate calculation can be improved, the stability and accuracy of dose rate output can be ensured, and reliable data support can be provided for safe operation in a nuclear radiation environment.
Owner:CHONGQING JIANAN INSTR

Ultra-long air valve alloy and grinding method and grinding device thereof

The invention relates to an ultra-long air valve alloy and a grinding method and device thereof, and belongs to the technical field of air valve alloy manufacturing. The method comprises the steps that a feeding table and a discharging table are placed on the left side and the right side of the centerless grinding machine correspondingly, and supporting devices used for fixing the air valve alloy are arranged on the sides, away from the centerless grinding machine, of the feeding table and the discharging table correspondingly; the air valve alloy sequentially passes through a feeding table, a centerless grinding machine and a discharging table and is fixed through the supporting device; grinding the air valve alloy by using a centerless grinding machine, wherein the grinding process comprises a rough grinding procedure and a fine grinding procedure which are sequentially carried out; the rough grinding procedure comprises a first rough grinding procedure and a second rough grinding procedure which are sequentially carried out; the grinding amount of each time of grinding is controlled to be the same, it is guaranteed that fluctuation generated by air valve alloy in the grinding process is relatively small, and roundness and straightness are guaranteed. And finally, accurate grinding treatment is conducted, and it is guaranteed that the surface quality and roughness of the air valve alloy meet the requirements.
Owner:CHINA IRON & STEEL RESEARCH INSTITUTE GROUP CO LTD

Short pile rock anchor rod composite foundation

The utility model relates to the technical field of hole pile foundations, and discloses a short pile rock anchor rod composite foundation which comprises a foundation pit used for pouring a short pile and an anchor hole used for arranging an anchor rod in a penetrating mode, a boss is arranged on the inner wall of the foundation pit and used for supporting a positioning plate, and the positioning plate is provided with a limiting hole for a drill rod to penetrate through. The drill rod is used for downwards forming the anchor hole from the foundation pit, and the anchor rod is arranged in the foundation pit and the anchor hole in a penetrating mode. According to the short pile rock anchor rod composite foundation, the squaring amount can be reduced, and the construction difficulty of a hole pile foundation is lowered.
Owner:FOSHAN ELECTRIC POWER DESIGN INSTITUTE CO LTD

Helical tooth type anti-jumping stir-frying mechanism and automatic cooker

The utility model discloses a helical tooth type anti-jumping stir-frying mechanism and a cooking machine. The helical tooth type anti-jumping stir-frying mechanism comprises a main stirring shovel, a side wall scraping shovel and a driving mechanism, the driving mechanism comprises a driving motor, a driving gear connected with an output shaft of the driving motor and a driven gear; an output shaft of the driving motor is in transmission connection with a rotating seat; the driving gear and the driven gear are meshed on the rotating seat; the main stirring shovel is in transmission connection with the driven gear through a main stirring connecting rod; the side wall scraping shovel is connected with the rotating seat through a side stirring connecting rod; a stirring included angle smaller than 30 degrees is formed between the central axis of the main stirring connecting rod and the vertical direction; through inclined revolution of the main stirring connecting rod, the distribution of rotating force of the main stirring connecting rod and the side stirring connecting rod is more balanced, and the rotating stability of the stir-frying mechanism is improved; and the problems of jumping of a machine table and the like caused by shaking due to contact collision among the main stirring shovel, the side wall scraping shovel and the frying pan due to unstable rotation caused by unbalanced distribution of force are reduced or avoided.
Owner:REN XIN JI QI REN (FO SHAN) YOU XIAN GONG SI

Engine suspension with jump-up limiting function

The utility model relates to the technical field of engine suspensions, and discloses an engine suspension with a jump-up limiting function, which comprises a limiting box. The engine is placed on the limiting plate, then the top cover is used for fixing the engine, the top cover is fixed on the limiting sleeve through the bolt, when the engine jumps, the second spring is pulled by the vertical movement of the limiting sleeve and the limiting column, and the jumping of the engine is reduced through the tension of the second spring; a limiting disc limits the extending movement of a limiting sleeve and a limiting column, a second spring and the limiting sleeve also buffer the engine, then a plurality of groups of first springs and second springs below a limiting plate pull and limit the bounce of the engine, the bounce height of the engine is greatly reduced, the plurality of groups of first springs and second springs buffer the vibration of the engine, and the bounce height of the engine is greatly reduced. And the limiting plate stably jumps in the limiting box through the limiting sliding plate, engine jumping is limited through multiple layers, and the stability of the engine is guaranteed.
Owner:NANCHANG HUACHUN AUTO PARTS CO LTD

Conveying device and can packaging production line with same

The utility model provides a conveying device and a can packaging production line with the conveying device, and the conveying device comprises a feeding mechanism, a conveying mechanism, a conveying mechanism and a conveying mechanism, the conveying mechanism is located below the discharging port and used for conveying the to-be-conveyed piece moved out of the discharging port, the conveying mechanism comprises a base and a flexible conveying piece, the base is connected with the feeding mechanism, and the flexible conveying piece is movably arranged on the base; and the stopping piece is connected with the base, a part of the structure of the stopping piece is located above the flexible conveying piece, and an opening part communicating with the discharging port is formed between the stopping piece and the flexible conveying piece. According to the technical scheme, the problem that in the prior art, the bounce distance of the cover body in the discharging channel is large is effectively solved.
Owner:HEILONGJIANG FEIHE DAIRY CO LTD +4

Single shaft motor

The present invention discloses a single-axis motor, comprising a mounting seat, a carrier and at least one driving component; the mounting seat comprises a first mounting plate connected to a first side wall spaced apart from the first side wall and a second side wall therebetween; the carrier comprises a second mounting plate and a first rotating shaft protruding from two ends thereof, the first rotating shaft being pivotally connected to the first side wall and the second rotating shaft being respectively pivotally connected to the first side wall and the second side wall; each driving component comprises a driving arm and a memory alloy wire, one end of the driving arm being mounted on the first mounting plate, the other end of the driving arm being connected to one end of the memory alloy wire, when the memory alloy wire shrinks due to heat, the driving arm can produce elastic deformation and then act on the second mounting plate, thereby driving the carrier to rotate around the first and second rotating shafts, the rotating shaft can reduce the jumping or shaking during the rotation process, so that the carrier can rotate stably, which is beneficial to improving the adjustment accuracy, and the carrier has a larger rotation angle, so that the single-axis motor can be used to realize a scanning function or an anti-shake compensation function, and has a wider range of applications.
Owner:HENAN HAOZE ELECTRONICS CO LTD

A mechanical seal structure with a bearing as a sealing end face

The present invention relates to a mechanical seal structure with a bearing as a sealing end face, comprising an intermediate cavity, a bearing cavity, a bearing end cover, a sleeve, a bearing, a medium side compensation ring assembly and an atmosphere side compensation ring assembly, wherein a bearing is arranged in the bearing cavity, the outer ring of the bearing is fixedly connected to the inner wall of the bearing cavity, the inner ring of the bearing is fixedly connected to the sleeve, the medium side compensation ring assembly and the atmosphere side compensation ring assembly have the same structure, are symmetrically arranged on both sides of the inner and outer sides of the bearing, and the medium side compensation ring assembly and the atmosphere side compensation ring assembly respectively form an end face sealing friction pair with the inner ring end face of the bearing. Compared with the prior art, the present invention is suitable for equipment with a large shaft diameter and a small axial space, can not only be installed in a smaller sealing cavity, provide a more stable sealing environment, but also save costs.
Owner:SHANGHAI HAOMI SEALING TECH CO LTD

A blister tray with TPU cushioning pad

This utility model relates to the technical field of blister trays, and in particular to a blister tray with a TPU cushioning pad, which cushions the movement of products during transportation and improves the strength of the tray when the product is heavy; it includes a tray body, multiple tray bodies can be stacked together; it also includes a TPU pad, an upper support surface, a lower support surface, and a sloped surface. The TPU pad is disposed on the bottom edge of the tray body, the upper support surface is disposed on the top surface of the tray body, the lower support surface is disposed around the outer side wall of the tray body, and the four sides of the tray body are set as sloped surfaces.
Owner:NINGBO TUOPU GROUP CO LTD

Screw tap clamping device and grinding machine equipment with same

The utility model discloses a screw tap clamping device and grinding machine equipment with the screw tap clamping device, the screw tap clamping device comprises a rotary positioning mechanism and an auxiliary positioning mechanism, and the rotary positioning mechanism is used for positioning the first end of a workpiece and driving the workpiece to rotate; the auxiliary positioning mechanism comprises a positioning piece and a mounting piece, a clamping position used for clamping a workpiece is formed between the positioning piece and the rotary positioning mechanism, the positioning piece is used for positioning a second end, opposite to the first end, of the workpiece, one end of the mounting piece is connected with the positioning piece, and an avoiding groove is formed in the other end of the mounting piece and used for avoiding the workpiece when the slotting grinding tool machines a threaded groove in the workpiece. The outer circle machining grinding tool and the slotting grinding tool are coaxially arranged. The screw tap clamping device can be used in cooperation with double grinding tools which are coaxially arranged, the two ends of a workpiece can be positioned, the machining efficiency is improved, and the machining precision is also improved.
Owner:GUANGDONG UCAN ROBOT TECH CO LTD

Presser bar assembly for a sewing machine and sewing machine

This utility model discloses a presser frame assembly for a sewing machine and a sewing machine, relating to the field of sewing machine technology. The presser frame assembly includes a fixed frame, a first presser plate connected to the fixed frame, a second presser plate connected to the fixed frame, a first support plate disposed on top of the first presser plate, a second support plate disposed on top of the second presser plate, a first presser frame connected to the first presser plate and movable above the first support plate, and a second presser frame connected to the second presser plate and movable above the second support plate. The first presser frame is used to press the fabric located above the first support plate, and the second presser frame is used to press the fabric located above the second support plate, for the needle to sew the fabric between the first and second support plates. At least one of the first and second presser plates can move relative to the fixed frame to increase the distance between the first and second support plates, thereby tautling the fabric when the needle passes through it. This reduces the bounce of the fabric as it moves with the needle during sewing.
Owner:BULLMER ELECTROMECHANICAL TECH

Low-noise three-screw pump and ship hydraulic system

PendingCN122589697AImprove meshing accuracyAxial positioning is accurate
The present application relates to the technical field of positive displacement fluid machinery, and particularly relates to a low-noise three-screw rod pump and a ship hydraulic system. The low-noise three-screw rod pump comprises a new active screw rod, a positioning sleeve, two new driven screw rods, and a smooth section. The positioning sleeve is provided on the smooth section of the new active screw rod in an interference fit. The positioning sleeve is provided with an annular limiting groove. The two new driven screw rods are symmetrically matched with the new active screw rod. The front end of the new driven screw rod is provided with a cylindrical guide section. The cylindrical guide section is rotatably embedded in the annular limiting groove. The circumferential surface of the cylindrical guide section is provided with a tapered oil guide surface. The tapered oil guide surface is clamped between the inner wall of the bushing and the annular limiting groove with a set radial gap. The low-noise three-screw rod pump and the ship hydraulic system solve the technical problems of vibration noise increase caused by the large axial installation gap and the radial thermal expansion and jamming.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

A high-precision all-quartz optical fiber FP cavity sensor and its manufacturing method

ActiveCN114459515BReduce granularityIncrease cavity lengthConverting sensor output opticallyImage resolutionLight beam
The present invention belongs to the technical field of optical fiber sensors, and specifically relates to a high-fineness all-quartz optical fiber F-P cavity sensor and a manufacturing method thereof. The optical fiber F-P cavity sensor comprises a first optical fiber and a second optical fiber, and also comprises a quartz capillary tube 1; the end face of the first optical fiber close to the second optical fiber is a reflection end face 1, and the reflection end face 1 is a plane and perpendicular to the length direction of the first optical fiber; the end face of the second optical fiber close to the first optical fiber is a reflection end face 2, and the reflection end face 2 is a concave spherical surface; compared with the prior art, the present invention (1) the reflection end face 2 is a concave spherical surface, which plays a focusing role of a concave mirror, offsets the divergence of the light beam in the cavity, thereby matching the reflectivity of the two reflection end faces, allowing the cavity length to be increased, obtaining an interference spectrum with a smaller free spectral range, improving the fringe fineness, improving the resolution, and effectively reducing demodulation instability and jump; (2) the reflection end face 2 can withstand higher temperatures.
Owner:SHANDONG FEIBOSAISI PHOTOELECTRIC TECH CO LTD

Building interior wall verticality detection device

The invention belongs to the technical field of building interior wall detection, and discloses a building interior wall verticality detection device, which comprises a movable rack, a detection mechanism, a detection mechanism and a control mechanism, and is characterized in that the movable rack is provided with a guide mechanism for moving in a manner of being attached to a wall surface; and the gravity sensing assembly is pivoted in the movable rack and comprises a pendulum bob which generates relative swing along with the inclination of the movable rack, and a triggering magnetic piece is arranged at the lower end of the pendulum bob. The inclination state of the movable rack is sensed in real time through cooperation with the gravity sensing assembly, the detection process can be continuously carried out when the movable rack moves along a wall, the operation burden caused by point-by-point staying alignment and visual inspection reading is reduced, the inspection efficiency is improved, the pendulum bob and the triggering magnetic part are adopted as inclination triggering sources, and the detection accuracy is improved. The triggering displacement is realized by utilizing the magnetic force action of the stress magnetic piece and the impact piece, so that the triggering process is mainly based on magnetic force coupling, the frictional wear and clamping stagnation probability of a pure mechanical shifting structure is reduced, and the long-term stability of a triggering threshold value is favorably kept.
Owner:南京宏亚建设集团有限公司

A lithium battery soc estimation method based on high-precision ampere-hour integration algorithm

The present application belongs to the field of lithium battery SOC calculation, and particularly relates to a lithium battery SOC estimation method based on high-precision ampere-hour integral algorithm. The method comprises establishing an ampere-hour integral mathematical model and solving, and performing Taylor expansion on the solution; the average slope is obtained by means of linear combination of three-point slope by investigating the slope of two points in the interval, so as to ensure that the precision of the third-order Taylor expansion formula and the equivalent formula is the same. When the algorithm is executed, the charge state and the capacity value are initialized first, then the sampling time is obtained according to the sampling frequency, and then the relevant parameters are calculated according to the current sampling value, and finally the current SOC is calculated according to the specific value and the three slopes and is iterated in a loop. This method can improve the ampere-hour integral precision, and weaken the cumulative error and SOC jump.
Owner:YIN NEW POWER TECH (SHANDONG) CO LTD

Steel pipe shaping machining device

The utility model discloses a steel pipe shaping machining device, and relates to the technical field of steel pipe machining equipment. The shaping mechanism is mounted on the base; the limiting mechanism is mounted on the base, and the limiting mechanism is located in the shaping mechanism; the limiting mechanism comprises at least two center frame assemblies which are installed on the base at intervals; the clamping assembly is installed on the base and located on the outer side of the center frame assembly; and the limiting assembly is installed on the base, and the bottom of the limiting assembly is matched with the top of the clamping assembly. The technical problem that in the prior art, the shaping machining quality of a long steel pipe cannot be fully guaranteed is solved.
Owner:YANGZHOU WANFEN MASCH MFG CO LTD

Arm assembly and humanoid robot

ActiveCN120588281BReduce bending momentsIncrease arm
An arm assembly and humanoid robot, the arm assembly comprising a first housing, a first driving mechanism, a second housing, a second driving mechanism and a first cable, the first housing comprising a main body shell, a first cantilever and a second cantilever, the main body shell having a first space, the first cantilever and the second cantilever being connected with the main body shell; the first driving mechanism comprising a first driving member, the first driving member being accommodated in the first space; the second housing being rotatably connected with the first cantilever, the second cantilever and the first driving mechanism, the second housing having a second space; the second driving mechanism comprising a second driving member, the second driving member being accommodated in the second space; the first cable being connected with the first driving member and the second driving member, a first wire channel of the first cantilever being in communication with the first space, a second wire channel of the second housing being in communication with the second space and the first wire channel, the first cable being arranged in the first wire channel and the second wire channel, so as to avoid the first cable from affecting the freedom of movement of the arm.
Owner:SHANGHAI FOURIER INTELLIGENCE CO LTD

Mechanical arm

The utility model provides a manipulator. The manipulator comprises a mounting seat, a driving unit assembly, a four-bar mechanism and a bearing frame, a positioning pin hole is formed in the mounting seat; the driving unit assembly is arranged on the mounting seat; the four-bar mechanism is in transmission connection with the driving unit assembly; the bearing frame is hinged to the lower portion of the four-bar mechanism. Thus, the manipulator can be positioned and fixed through the positioning pin holes, rapid mounting and dismounting between the manipulator and the cross beam are achieved, meanwhile, the bearing frame is stable in structure, the manipulator execution tail end can be arranged below the bearing frame, in the motion execution process, the execution tail end jumps slightly and moves stably, and the production and assembly precision can be improved.
Owner:RENAULT ROBOT AUTOMATION (QINGDAO) CO LTD

Submerged-arc welding device for carbon steel storage tank

The utility model discloses a carbon steel storage tank submerged-arc welding device which comprises a welding device body, an upper installation frame and a lower movable frame which are connected through a lifting mechanism are arranged on the welding device body, a frame body top plate is fixed to the upper end of the upper installation frame, and an installation rod is connected to the side face of the frame body top plate. A transverse displacement mechanism is mounted on the side face of the mounting rod, a lifting adjusting mechanism is movably mounted on the side face of the transverse displacement mechanism through a lead screw structure, and a mounting plate is movably connected to the side face of the lifting adjusting mechanism through the lead screw structure; a scaling powder barrel, a scaling powder discharging control mechanism and a mounting base are sequentially arranged on the other side of the mounting plate from top to bottom, and a scaling powder discharging nozzle, a welding gun, a contact tube and a camera are mounted at the lower end of the mounting base side by side. According to the submerged-arc welding device for the carbon steel storage tank, the stability of the carbon steel storage tank can be effectively guaranteed, the submerged-arc welding device can weld and fix the carbon steel storage tank conveniently, meanwhile, in the welding process, scaling powder is convenient to recycle, and waste is reduced.
Owner:CHINA NAT CHEM ENG NO 7 CONSTR

Negative ion collector, negative ion concentration detection device, detection method and detector

ActiveCN113567504Bachieve accurate displayreduce edge effects
The present invention proposes a negative ion collector, a negative ion concentration detection device, a detection method and a detector. The detection device includes a negative ion collector, a collection plate of the negative ion collector is electrically connected to a polarization voltage circuit module capable of generating a gradient-changing polarization voltage through an external interface, and the negative ion collector is electrically connected to the polarization voltage circuit module capable of generating a gradient-changing polarization voltage. By changing the polarization voltage in steps, the conversion relationship between the polarization voltage and the corresponding collection current is found, and a multivariate linear equation group between the polarization voltage and the corresponding current is established. The solution of the equation group is the negative ion concentration value of the corresponding mobility. The present invention also provides a negative ion collector, wherein the collection plate and the polarization plate are respectively fixed on the upper insulating seat surface and the lower insulating seat surface, and the collection plate and the polarization plate are arranged parallel and symmetrically from top to bottom; the external interface is respectively integrated on the collection plate and the polarization plate, and extends out of the closed upper and lower insulating seats through the through hole; the fan is fixed at the cross section of the upper and lower insulating seats.
Owner:BEIJING QINGBO YIKANG TECH CO LTD +1

A saw blade with staggered teeth, a saw blade production process and equipment

ActiveCN120205900BReduce load bearingreduce wear rateCircular sawCutting force
The application provides a saw blade with staggered saw teeth, a saw blade production process and equipment, and relates to the technical field of composite material cutting processing. The saw blade with staggered saw teeth comprises a circular saw body, a plurality of first saw tooth portions and a plurality of second saw tooth portions are staggered along the circumferential direction on the outer periphery of the circular saw body, the first saw tooth portions and the second saw tooth portions are equal in number and are arranged in sequence with intervals, the first saw tooth portions and the second saw tooth portions are staggered with each other, so that staggered cutting structures are formed between adjacent different types of saw teeth. The structure is beneficial to dispersing cutting force, reducing the load of a single saw tooth, improving the stability and durability of the saw blade, and facilitating the fracture and discharge of chips, thereby improving the cutting efficiency and processing quality.
Owner:SHENZHEN XINYUNXIANG PRECISION CUTTING TOOLS CO LTD

Method and system for using multi-level integrity monitoring results

The present application relates to positioning technology, and discloses a method and system for using multi-level integrity monitoring results. The method includes: obtaining continuous multi-level integrity monitoring results of a certain satellite or a certain correction number, and for any two consecutive levels of integrity monitoring results, if the integrity monitoring result of the latter level is "alarm", and the integrity monitoring result of the previous level is not "alarm", then within the effective time of the integrity monitoring result of the latter level, use the satellite or the correction number with a downgraded weight to participate in the positioning solution. The implementation method of the present application effectively weakens the jump problem of the positioning result, which is conducive to the application of the positioning result in the field of automatic control.
Owner:QIANXUN SPATIAL INTELLIGENCE INC

Method for filling blank recording

The invention provides a method for filling blank recording. The method comprises the following steps: presetting recording fragment duration and cross duration; determining the start of the travel at the driver APP end, and carrying out background recording; uploading the recorded recording segment to a server, and marking the recording segment according to order information and time; the uploaded and marked recording fragments are cached and backed up at the driver APP end; according to the invention, each segment of recorded recording is marked by using the order information and the time, and the marked recording segments are backed up at the driver APP end, so that a recording vacancy is supplemented by using the backed-up data when the recording segments are spliced, and the vacancy can be filled by generating a blank recording, thereby solving the problem of recording continuity, and improving the recording efficiency. According to the invention, the operation personnel can intuitively know the moment at which the recorded content heard by the operation personnel is generated, the whole journey condition can be better controlled, and finally, the problem can be more easily intervened and solved.
Owner:BEIJING BAIJU YIXING TECH CO LTD

Vehicle slope stabilization control method, device and vehicle

The present invention provides a vehicle stabilization control method, device and vehicle, wherein the vehicle stabilization control method comprises: obtaining the state parameters of the vehicle; when it is determined that the vehicle is in a sliding slope state according to the state parameters, inputting the target state parameters in the state parameters into a dual-degree-of-freedom controller to obtain a target stabilization torque parameter; wherein the dual-degree-of-freedom controller comprises a first sub-controller and a second sub-controller that performs negative feedback on the first sub-controller; according to the target stabilization torque parameter, controlling the drive motor of the vehicle to output the stabilization torque; the stabilization torque is used to make the vehicle enter a stabilization slope state. When the parameters of the first controller of the dual-degree-of-freedom controller of the present invention are set relatively large, the output stabilization torque parameter can be reduced based on the negative feedback mechanism, thereby reducing the probability of overshoot in the process of controlling the vehicle to stabilize the slope, reducing the vehicle's jumping, and effectively ensuring the stability of the stabilization slope control.
Owner:BYD CO LTD