35results about How to "Control adjustment" patented technology

The invention relates to a porous superfine polyamide 6 fully-drawn yarn, a preparation method thereof, and equipment thereof. According to the invention, existing FDY production equipment is adopted. A raw material polyamide 6 is sliced and dried; an additive is added on line; the material is subject to screw extrusion and melt extrusion; the material is then cured with a gradually cooling manner and a circular air blow cooling manner; with a reasonably selected spinning temperature of 259-262 DEG C, an air temperature in the circular air blowing process of 19-23 DEG C, a humidity of 85-95%, an air velocity of 0.35-0.45m/s, an oiling and clustering position of 700-800mm, and a winding speed of 4100-4600m/min, the porous superfine polyamide 6 fully-drawn yarn product with a specification of 55dtex/144f-75dtex/144f is prepared. Flexible operation is adopted in the preparation method. The preparation method is advantaged in simple technology and low production cost. The product is advantaged in stable performance, good yarn evenness, and good coloration property.

A wide-range high-speed high-precision laser range finding system comprises a main control module, a display circuit module, a keyboard circuit module, a laser diode high-voltage driving circuit module, a pulse laser emission circuit module, an avalanche photodiode photoelectric switching circuit module, a pre-stage trans-impedance circuit module, an automatic gain control amplification circuit and a time discriminating circuit module, wherein the laser diode high-voltage driving circuit module is in electric control connection with the pulse laser emission circuit module and the main control module; the avalanche photodiode photoelectric switching circuit module, the pre-stage trans-impedance circuit module, the automatic gain control amplification circuit and the time discriminating circuit module are in electrical control connection successively and then in electrical connection with the main control module; the avalanche photodiode photoelectric switching circuit is also connected with an avalanche photodiode high voltage bias circuit module; and the avalanche photodiode high voltage bias circuit module is in electrical connection with the main control module.

The invention discloses a side wall concrete construction method employing a side wall trolley. The employed side wall trolley is formed by a side wall trolley unit or longitudinal splicing of a plurality of side wall trolley units, the side wall trolley unit comprises a trolley moving and fixing system and a steel moulding plate connecting and positioning system; the construction steps are the followings in sequence: paving a walking track, precoating a release agent, enabling the trolley to move and take place, adjusting a screw jack, repeatedly adjusting an extension-type cantilever beam and a hydraulic jack, adjusting a bearing jack, mounting a lateral screw rod jack, mounting a foot margin inhaul cable, mounting an anti-floating screw rod jack, mounting an opposite-support pipe fitting, mounting a closing-up net and a water stop steel plate, casting concrete, stripping and the like, that building a steel pipe support and a spliced template is not required can be achieved, after the adoption of the invention, the mounting and the demounting speeds are fast, three-direction accurate adjustment can be achieved, the construction is stable and reliable, the concrete surface flatness is good, and joint deviation is small.

The invention provides a train control system. A driving control unit comprises a preceding train estimation unit which dynamically estimates the location of a preceding train according to signals obtained from a signal and information obtaining unit; an arrival time estimation unit which estimates the time when the present train arrives at the position of the preceding train according to the estimated position of the preceding train obtained from the preceding train estimation unit and the speed of the present train detected by a speed measuring unit; and a forecasting unit for pantograph point voltage, which forecasts the pantograph point voltage based on the location of the present train. Driving control commands are determined based on the time when the present train arriving at the position of the preceding train obtained from the arrival time estimation unit, the forecasting value of pantograph point voltage obtained from the forecasting unit for pantograph point voltage, and the actual pantograph point voltage obtained from a voltage measuring unit. In this way, the peak of a transformer station can be eliminated by actuating the driving control of the present train when influence on the signal mode of the following train is taken into consideration.

The invention relates to an intelligent parking device with a wheel fixing function, which comprises a bracket and a lifting plate, and further comprising a fixing mechanism and a fire extinguishing mechanism, wherein the fixing mechanism comprises a turnover assembly and a fastening assembly; the turnover assembly comprises a first motor, a first gear, a second gear and two rotating units; the fastening assembly comprises a cylinder, a movable block, a telescopic frame, a slider and a clamp plate; the fire extinguishing mechanism comprises two fire extinguishing components. In the intelligentparking device with a wheel fixing function, vehicle wheels can be clamped and fixed by the fixing mechanism, so that the parking of the vehicle is stabler, the safety accidents of deviation, impactand high-altitude falling of the vehicle during lifting are avoided, and the parking safety and reliability are improved; through the fire extinguishing mechanism, the lifting and angle adjustment ofa nozzle can be controlled to achieve precise fire extinguishing against the fire point, thereby extinguishing the fire in time, preventing the fire from spreading and causing greater losses, and greatly improving the practicality and reliability of the parking device.

The invention discloses a method for improving the tracking precision of a photoelectric tracking system. According to the technical scheme, the method is characterized by comprising the following steps that S01, the equivalent K of a television tracker is determined; S02, lag time tau of the television tracker is determined; S03, the miss distance pixel value deltathetan obtained by the television tracker is converted into a miss distance angle value dthetan, dthetan=deltathetan/K,n=1, 2,..., and n is a positive integer; S04, an angle value thetao and an n translation number N of the photoelectric tracking system are determined, N=tau/T1, and T1 is an instrument data sampling interval; S05, target position data thetai, n-N, thetai, n-N=dthetan+thetao, n-N are determined; and S06, a photoelectric tracking system is controlled to track the target according to the target position data. The equivalent K of the television tracker and the lag time tau of the television tracker are determined, the miss distance data deltathetan are processed according to the two pieces of data, the precision of the obtained target position information is greatly improved, the target position information serves as feedforward of the photoelectric tracking system, and the tracking precision and stability of the photoelectric tracking system are greatly improved.

The invention provides a central air conditioning control system and a control method. The control system comprises a crowd density information collector, a crowd density processor, a control module and an air conditioning execution mechanism. The crowd density information collector collects the information needed for analyzing the crowd density in one place, and transmits the information needed for analyzing the crowd density in the place to the crowd density processor. The crowd density processor obtains the crowd density in the place according to the information needed for analyzing the crowd density in the place, and transmits the crowd density in the place to the control module. The control module controls the air conditioning execution mechanism to adjust environmental parameters inthe place according to the data, stored inside, corresponding to the crowd density and the optimal environmental parameters and the crowd density in the place. The central air conditioning control system can automatically adjust the environment in the public place to provide the crowd more comfortable feelings in the public place.

The invention relates to a cashe-on-board (COB) technology-based integrated light emitting diode (LED) packing method, which comprises the following steps that: 1. thickness of a mould and diameter of a reserved hole are adjusted; 2. the reserved hole on the mould is aligned to an LED chip which is well fixed on an aluminum circuit board, and the mould covers the aluminum circuit board; 3. after fluorescent glue is sprayed on the aluminum circuit board, the aluminum circuit board is baked, then the mould is removed after the baking so as to obtain an LED packing unit. The method has followinng beneficial effects that: the shape, position, thickness and quantity of the fluorescent flue can be adjusted by adjusting the thickness of a silicone board and the diameter of the reserved hole, so the LED integrated packing procedures can be simplified, the heat resistance and the working temperature of the LED chip can be reduced, the shape, position, thickness and quantity of the fluorescent glue can be flexible to control, the light emitting efficiency and the consistency, stability and service life of the product can be improved, the packing efficiency also can be improved, the waste can be reduced, and the product cost can be reduced. The baking temperature is set as 140 to 160 DEG C, so the packing effect is better.

The invention relates to a hoisting television stand with a retractable function. The hoisting television stand comprises an installation top plate, a lifting device and a protection device, the middle of the installation top plate is provided with an installation hole, the bottom of the left end of the installation top plate is provided with the lifting device, and the protection device is installed at the bottom of the right end of the installation top plate. The lifting device comprises a lifting fixed column, a lifting telescopic column, a motor connecting frame, a rotating motor, a rotating shaft, a rotating gear, a telescopic mechanism, a clamping mechanism and a lifting spring, and the protection device comprises a protection push rod, a protection support, a rotating plate, a protection telescopic plate, a telescopic push rod, a rotating plate angle push rod and a scrubbing mechanism. The problems that the outer end of a television can not be locked, the angle and the directionof the television cannot be adjusted, dust on a television display screen needs to be manually removed, and the television cannot be automatically retracted and protected in the television hoisting using process in the prior art are solved.

The invention relates to a cambered surface spraying type railway vehicle brake disc cambered surface repairing machine comprising a machine base. An installation base plate is installed on the left side of the machine base. A binding assembly is arranged on the installation base plate. A bearing pedestal is installed on the right side of the machine base. A center shaft is installed on the middleportion of the bearing pedestal in a rotating mode. The right end of the center shaft is connected with a corner limiting assembly. The left end of the central shaft is connected with a main body frame. A hydraulic cylinder and a guide rod are installed on the main body frame. The hydraulic cylinder and the guide rod are both connected with a spraying assembly. The cambered surface spraying typerailway vehicle brake disc cambered surface repairing machine is high in automation degree; on the basis that a brake disc is installed and clamped, a ratchet wheel and the spraying assembly can be controlled to automatically rotate in an intermittent mode, horizontal sliding and angle adjustment of a spraying gun can be controlled in the stop period, and therefore efficient and automatic sprayingand repairing of all arc-shaped blocks on the arc-shaped face of the brake disc can be completed.

The invention discloses a non-embedded intelligent deceleration strip. The non-embedded intelligent deceleration strip comprises a control processing device, a crawler-type deceleration strip body, a driving motor, a fixing frame, a sliding frame, n fork type push-pull assemblies and a base; the deceleration strip body is located above the fork type push-pull assemblies, and the top ends of inclined rods of the fork type push-pull assemblies are rotatably connected with the deceleration strip body; and a first pulley is mounted at the bottom end of the inclined rod of each fork type push-pull assembly; the fixing frame and the sliding frame are located at the two ends of the deceleration strip body; the fixing frame is connected with one ends of the fork type push-pull assemblies rotatably, and the sliding frame is connected with the other ends of the fork type push-pull assemblies rotatably; second pulleys are mounted at the bottom end of the sliding frame, and the first pulleys and the second pulleys are embedded in a sliding rail; the driving motor is fixed to the base, and the driving motor is connected with the sliding frame; and the signal output end of the control processing device is connected with the signal input end of the driving motor. According to the non-embedded intelligent deceleration strip, excavation of the road surface for embedding is not needed, later maintenance is convenient, and a vehicle can be decelerated more accurately.

The invention relates to a pipe network pressure control circuit. A control module, a pressure detection module, a communication module and a driving module are additionally arranged to control the adjusting process and the pressure precision, and the control module controls the driving module according to a pipe network actual pressure value obtained from the pressure detection module or data ofa digital flow meter from the communication module, so that pipe network pressure changes are obtained in real time to adjust the pipe network pressure; and low-energy-consumption management is achieved by additionally arranging a power management module, downstream pressure changes are obtained in real time by additionally arranging a pressure detection module and the driving module to then adjust the pipe network pressure, the problem that due to the fact that the downstream pressure is too large, a pipeline is exploded or water does not exist due to too low pressure is avoided, and the problems that according to a traditional technical scheme, manpower is consumed, the adjusting process and the pressure precision are difficult to control, the pressure of the downstream pipeline cannot be adjusted in real time according to the changes of downstream pressure requirements, and energy consumption waste is caused due to the fact that a power source cannot be managed in a centralized modeare solved.

The invention provides an apparatus for examining the positioning precision of a Bipolar positioning antenna. The apparatus includes a horizontal X-axis guide rail and a vertical Z-axis guide rail which are vertically disposed, a positioning module which is arranged on the vertical Z-axis guide rail or the horizontal X-axis guide rail, a displacement simulator, a PLC control module and a data processing backend. The apparatus fixes a to-be-examined Bipolar positioning antenna to the positioning module and inputs a displacement mode which is set manually to the displacement simulator. The apparatus then controls a servo motor through the PLC control module to drive the positioning module to move. Based on the coordinate data transmitted by the Bipolar positioning antenna and the displacement simulator, the apparatus obtains one monitoring displacement curve and one actual displacement curve after data processing. The apparatus then examines the positioning precision of the Bipolar positioning antenna by comparing the monitoring displacement curve and the actual displacement curve. The apparatus can directly simulate geological displacement and is advantaged by simple structure, easy operation and high measuring precision.

The invention discloses an adjustable die cutting cutter device which comprises a main shaft, a base, a fixing seat, a cutter, a wedge-shaped block and an adjusting supporting plate. The fixing seat is arranged below the inclined edge of the wedge-shaped block. The cutter faces a rotary cutter gasket and is fixed to the fixing seat. The fixing seat, the wedge-shaped block and the adjusting supporting plate are connected with the base. The adjusting supporting plate acts on the wedge-shaped block to horizontally move and push the wedge-shaped block. The adjustable die cutting cutter device has the beneficial effects that the die cutting cutter device is improved so that the distance between the cutter and the rotary cutter gasket can be continuously adjusted, in addition, the cutter can maintain the rigidity unchanged in the small-range distance change, the purpose of fine adjustment is achieved, the adjusting width is well controlled, and the cutter or the rotary cutter gasket is prevented from being abraded.

The invention discloses an automatic precise electrochemistry etching method. Precise etching process control is achieved mainly through parameter setting, automatic workpiece positioning, initial value collecting, etching current acting amount calculating, initial value adjusting and other steps, and accordingly precise etching is conducted on a to-be-treated workpiece. According to the automaticprecise electrochemistry etching method, through comparison of a pre-calculated current acting amount and a current actual acting amount in an actual etching process, the closed-loop control processof precise etching is conducted, and accordingly accurate control over electrochemistry etching is achieved, wherein a VCO conversion method is adopted for accurately obtaining the etching current actual acting amount in the etching process, and accordingly accurate control is conducted on the thinning amount of the workpiece. In addition, the invention further relates to automatic precise electrochemistry etching equipment implementing the automatic precise electrochemistry etching method. By means of the automatic precise electrochemistry etching method and the automatic precise electrochemistry etching equipment, the electrochemistry etching precision, electrochemistry etching process control stability and etching efficiency are greatly improved, and the etching cost is greatly reduced.

The invention discloses environment-friendly and efficient organic fertilizer decomposing equipment. The equipment comprises a side body and a partition plate, the lower end position of the side bodyis provided with a bottom plate, a drainage channel is arranged at the middle of the left side of the bottom plate, the inside of the right side of the front end of the side body is provided with a discharge door, an upper cover is arranged at the upper end of the side body, for more environment protection and full sealing, an odor is discharged by an exhaust channel, and sewage is discharged by the drainage channel, thereby protecting health and environment of production personnel; in order to be more decomposed and even, and a chain drives a scraper to push and pull, which has less dead angle and sinking than traditional material turning, thereby increasing the fertilizer efficiency; for being more efficient, through temperature and pressure control, a motor can be effectively controlledto adjust the rotation speed of a main rotating wheel to adjust the turning speed, the feeding and discharging are quick and convenient, which is more efficient than traditional pushing and shoveling, and comprehensive mechanical feeding and discharging is achieved.

The present invention relates to a dewatered sludge bio-drying apparatus, the apparatus comprises a reactor main body. The reactor main body comprises a drum inner shell (12) for filling dewatered sludge to be dried; and a reactor outer shell (2). the reactor outer shell (2) is internally provided with an air distribution cavity (10) for aerating the roller inner shell (12), and the air distribution cavity (10) is connected with a ventilation pipe (8); a feeding hole is formed in the roller inner shell (12); a discharging hole is formed in the side surface of the reactor outer shell (2); and the dewatered sludge bio-drying apparatus further comprises a rotating mechanism used for controlling the roller inner shell (12) to rotate. Compared with the prior art, thedewatered sludge bio-drying apparatus has the advantages that a good growth environment can be provided for microorganisms, moisture in materials can be rapidly removed, and therefore the drying efficiency is improved.