13results about How to "Uniform speed" patented technology

The utility model discloses a portable construction site fire alarm device which comprises a gear box, a gear assembly, a driving assembly, a fan blade seat and an air bellow, the driving assembly is connected with the gear assembly and used for driving the fan blade seat to rotate, and the fan blade seat is located in the air bellow and provided with blades. The air bellow is used for forming air flow during rotation and sending out wind sounding alarm sound through an air window on the air bellow; the gear assembly comprises a gear column, a mounting disc and an auxiliary gear, and the auxiliary gear is meshed with the gear column and the gear box; the driving assembly comprises a driving disc, a driving rod, a rotating handle and a guiding structure and is used for achieving manual driving and torque transmission. The device can quickly give out high-decibel alarm sound on a construction site without electric power, is compact in structure, convenient to carry and simple to operate, and is suitable for places with insufficient electric power conditions or complex environments.

The invention discloses a liquid metal battery module active equalization device and a control method, and the device comprises an equalization controller which is used for controlling the selection of equalization channels, combining a plurality of adjacent batteries with the same SOC into a battery segment, and taking the battery segment as a basic unit for active equalization control; performing charging equalization on each battery section, selecting a group of non-adjacent battery sections as active equalization of the current round, and ending active equalization of the current round when the battery section with the maximum SOC in the selected basic unit for equalization is charged to the maximum SOC value of the single battery in the series battery module; updating the SOC of each single battery in the current series module, and repeating the battery segment merging and battery equalization operations until the SOC of each single battery in the battery module is equal; the charger is used for charging the battery segments. The equalization device disclosed by the invention can solve the problems of difficulty in series module equalization and low efficiency caused by inconsistency of high-capacity liquid metal batteries.

The embodiment of the invention provides a battery equalization topology circuit, a battery equalization method and a battery management system. The circuit comprises at least two battery strings, a first equalization topology circuit and a second equalization topology circuit, each battery string comprises at least two batteries, the battery strings are connected through the second equalization topology circuit, and the batteries in the battery strings are connected through the first equalization topology circuit; the first equalization topology circuit is used for adjusting the first battery voltage of each battery until the first battery voltage is within a first preset voltage range; and the second equalization topology circuit is used for adjusting the second battery voltage of each battery string until the second battery voltage is within a second preset voltage range. The battery equalization topology circuit can realize rapid equalization of battery voltage between the batteries and between the battery strings.

This application discloses a fan control method, apparatus, system, and electronic device for a communication device. Relating to the field of communication technology, the method includes: obtaining a first control speed of a first-side fan and a second control speed of a second-side fan of the communication device, wherein the first side is the power supply side of the communication device and the second side is the system side of the communication device; or the first side is the system side of the communication device and the second side is the power supply side of the communication device; determining the speed difference between the first control speed and the second control speed; determining a compensation control speed of the second-side fan based on the speed difference; controlling the rotation of the first-side fan based on the first control speed; and controlling the rotation of the second-side fan based on the compensation control speed. This application solves the technical problem in communication device systems where the independent control of fans on different sides (such as the power supply side and the system side) leads to inconsistent speeds, which can easily cause uneven heat dissipation and noise problems.

The utility model belongs to the field of spraying developing technology, specifically speaking is a kind of spraying developing device for photosensitive gold slurry, including spin coating subassembly and developing solution atomization subassembly, the lower end fixedly connected with bottom plate of spin coating subassembly, the upper side fixedly connected with fixed frame of bottom plate, the fixed frame is located at the right side of spin coating subassembly, the side fixedly connected with length adjusting subassembly of fixed frame of developing solution atomization subassembly, the upper side of length adjusting subassembly is equipped with fixed component;The utility model passes through spin coating subassembly and shadow liquid atomization subassembly, and developing solution passes through coating interface and enters atomizer, is adjusted by spraying adjustment knob, flow regulating knob and air adjusting knob, and developing solution is sprayed on the developing film on chuck by spray head, is rotated by spin coater, drives the developing film on chuck to rotate together, and then "gold" in developing solution is evenly spin coated on the developing film, and developing solution in developing process all falls into protective cover, and after developing, it can be recycled by pouring out.

The utility model relates to rigging rope technical field, and disclose a rigging rope winding device, including first connecting rope and winding device, the winding device includes winding box, the left and right side wall of winding box is connected with first rotating lever, the outside of first rotating lever is connected with second connecting rope, the upside of second connecting rope is connected with second lock, the upside of winding box is connected with reciprocating screw rod, the outside of reciprocating screw rod is provided with two groups of spiral groove, and the utility model scheme makes second connecting rope can even wind in the outside of first rotating lever through setting up winding device, and then makes second connecting rope winding efficiency higher, makes second connecting rope winding more closely, and then improves the stability in the subsequent use process, makes the speed of second connecting rope separation from first rotating lever in the subsequent use process more even, makes its fire drill or actual use process more stable.

The utility model discloses a multi-hole flexible robot punching device which comprises an upper die plate, a lower die plate, a plurality of punching dies, a robot arm, a motor, a coupler, a pair of rotating seats, a rotating shaft, an eccentric wheel, a bearing, a punching rod, a pressure bearing plate, a first spring and an inertia wheel, and the punching dies are connected to the lower surface of the upper die plate; the middle of the rotating shaft is fixedly connected to the eccentric position of the eccentric wheel which is fixedly connected with the inner ring of the bearing. The punch penetrates through and is slidably connected into the robot arm, the top end of the punch is fixedly connected with the bearing plate, the bottom end of the punch is fixedly connected with the upper die plate, and the punch between the bearing plate and the robot arm is sleeved with a first spring. The motor drives the rotating shaft to rotate through the coupler, the rotating shaft drives the eccentric wheel and the bearing to rotate, in the rotating process, the pressure bearing plate and the punching rod are pushed downwards, the punching rod moves downwards, the upper die plate and the punching die are driven, and the flexible material on the lower die plate is punched. Due to the fact that no air cylinder exists, violent collision is avoided, and strong noise is not generated to pollute the environment.

The application discloses a modular equalization circuit and a control method thereof. The modular equalization circuit comprises a power supply, a converter, a selection switch, a transformer, a rectifier circuit, a filter and a battery equalization circuit which are connected in sequence. The number of modules is N, the number of energy storage units in each module is M, and the number of the rectifier circuit, the transformer, the filter and the battery equalization circuit is N. The number of the selection switch is N+1. Two output ends of the converter are marked as A and B respectively, i represents the i-th module, when i is odd, the one end of the switch S i is connected with A, the other end of the switch S i is connected with the same name end of the primary side of the transformer T i . When i is even, the one end of the switch S i+1 is connected with B, the other end of the switch S i+1 is connected with the different name end of the primary side of the transformer T i . When i is even, the one end of the switch S i is connected with B, the other end of the switch S i+1 is connected with A. The application significantly shortens the equalization path, improves the equalization efficiency and has strong expansibility.

The invention belongs to the technical field of power cables, and particularly relates to a power cable terminal partial discharge detection method which comprises the following steps: step 1, preparation work; 2, selecting a proper probe and a proper instrument; step 3, installing a probe; 4, connecting and setting instruments; 5, initializing an instrument; 6, scanning a cable terminal; step 7, data acquisition and analysis; 8, judging and reporting a result; and 9, regular detection and maintenance are carried out, and the preparatory work is to ensure that all equipped instruments and equipment conform to related standards and specifications before the partial discharge detection is started. According to the invention, it can be ensured that instruments and equipment conform to standards and dirt on the surface of a terminal is removed; proper probes and instrument parameters are selected; the probes are installed and calibrated; the surface of the terminal is regularly scanned, professional software is used to analyze signals, discharge conditions are evaluated, reports are written, and regular detection and maintenance plan making are carried out to ensure safe operation of a power system.

The utility model relates to the technical field of lithium battery processing, and particularly discloses lithium battery processing pole piece rolling equipment which comprises a mounting seat, a roller I, a roller II and a variable component, the distance between the first roller and the second roller is adjusted according to the thickness of the lithium battery, and when the distance is adjusted, the variable assembly is arranged to control the rotating speed of the first roller and the rotating speed of the second roller in real time according to the thickness of the lithium battery. The variable assembly adjusts the rotating speed of the first roller and the second roller in real time according to the thickness of the lithium battery pole piece, and it can be ensured that the pressure borne by the pole piece is more uniform in the rolling process; when a thicker pole piece is rolled, the rotating speed of the roller is reduced, so that non-uniform stress of the pole piece caused by too high rotating speed is avoided; when a thin pole piece is rolled, the rotating speed of the roller is increased, and the production efficiency is improved while the rolling quality is ensured; according to the dynamic adjusting mode, the rolling uniformity of the pole piece is remarkably improved, the defects of thickness deviation, cracks and the like of the pole piece caused by uneven pressure are reduced, and the universality and adaptability of equipment are improved.

The utility model discloses an automatic part detection platform, which belongs to the technical field of part detection and comprises an industrial mechanical arm, a laser 3D scanner, a scanner clamp, a part detection platform and a main control system. One end of the scanner clamp is fixedly connected with the industrial mechanical arm, the other end of the scanner clamp is detachably connected with the laser 3D scanner, the part detection platform is arranged on one side of the industrial mechanical arm, and a turntable capable of rotating at a constant speed is arranged on the part detection platform; the turntable is used for placing a to-be-tested part; the industrial mechanical arm, the laser 3D scanner and the part detection platform are all electrically connected with the main control system. According to the utility model, the scanner clamp is improved, and the existing handheld laser 3D scanner can be stably connected to the mechanical arm; and meanwhile, the part detection platform is improved, so that the part detection platform has the characteristics of simple structure, uniform rotation and high loading capacity.

The utility model relates to spinning cooling device technical field and disclose high stability low shrinkage polyester industrial yarn production is with spinning cooling device, including support plate, the upper surface fixed connection of support plate has the sleeve, the front and back inner wall of sleeve inside all are established with circular groove, cooling assembly, cooling assembly sets up in two circular grooves, and cooling assembly includes two circular sealing plates, two circular sealing plates are respectively and rotate the clamping in the inner wall of two circular grooves, the opposite surface of two circular sealing plates all are fixedly connected with fixed sleeve, and the inner wall fixed sleeve of two fixed sleeves is connected with cooling pipe, and the outer wall fixed sleeve of cooling pipe is connected with spiral heat sink, and spiral heat sink is located at the opposite surface department of two fixed sleeves, through the stable output of servo motor, the meshing drive of pinion and spur gear makes cooling pipe and spiral heat sink keep even rotating speed, avoids the cooling unevenness caused because of rotating speed fluctuation, ensures that polyester industrial yarn has high stability and low shrinkage after cooling.

This utility model discloses a metal reverse-thread nut thread processing equipment, relating to the technical field of metal fastener processing equipment. It includes a base plate, on the upper surface of which a first electric cylinder is fixedly mounted. One end of the piston rod of the first electric cylinder is fixedly connected to a bearing plate. A transmission wheel is rotatably mounted at the corner of the bearing plate. This utility model, through the coordinated design of a positioning mechanism, uses a receiving hole inside the positioning base to determine the workpiece's position. Combined with a second electric cylinder driving a lifting rod to move up and down, the lifting rod moves downwards, bringing the workpiece into the receiving hole, and rises, pushing the workpiece out of the receiving hole. This significantly improves workpiece positioning accuracy, effectively avoiding thread quality problems caused by workpiece misalignment during processing. It can also adapt to nut workpieces of different sizes and specifications, enhancing the equipment's versatility. Furthermore, it can quickly push the workpiece out after processing, accelerating the material handling speed.