237results about How to "Avoid repeated adjustments" patented technology

The invention discloses an LED optical parameter comprehensive testing device, belonging to the technical field of optical parameter measurement. The LED optical parameter comprehensive testing device is technically characterized in that one end of a horizontal base provided with a one-dimensional mobile platform is fixedly provided with an arc-shaped clamp provided with a fiber-optic probe and astandard luminosity probe, the other end of the horizontal base is fixedly provided with an arc-shaped light collector consisting of an arc fiber-optic array and a linear array CCD (Charge Coupled Device), and a rotary clamping table for holding an LED to be tested is arranged on the one-dimensional mobile platform; light information acquired by the fiber-optic probe is converted into a spectrum band by a spectrograph and then is sent into a computer, outputs of the standard luminosity probe and the linear array CCD are sent to the computer through the data acquisition unit, the computer performs corresponding processing and operation on measurement data through measurement software to finally obtain the luminescence characteristics of the LED to be tested. According to the invention, theproblem on comprehensively measuring the LED on a single measurement instrument is solved; and the LED optical parameter comprehensive testing device has the characteristics of simplicity for operation, compact structure, fastness for measurement, easiness for realization and the like.

The invention relates to a planning method for processing the length of a safe and shortest knife by adopting five-axle numerical control, analyzing component manufacturability and programming a smooth cutter path. Firstly, a maximum value of the cutter length is set within the range allowed in the technology; disc of the cylindrical surface for the knife rotation at the positions of knifepoint and a barrier are gridded, and through the depth testing of video card and the function of blocking and querying, the reachable information and safe shortest length of the knife in a reference direction can be obtained, and the reachable direction cone of the knife is programmed; then according to the restriction to direction continuity and processing environment, the feasible direction cone is calculated and the manufacturability is judged. If the programmed knife is manufacturable, the length of safe and shortest knife of a knifepoint sequence is programmed in the feasible direction cone in a dynamic planning method, and then a smooth knife path is programmed. The method of the invention has high efficiency, simply realized programming, can be applied to 3 plus 2 axle numerical control processing of complex components or knife choosing and path planning of five-axle linkage numerical control processing.

The invention relates to a heating supply system hydraulic equilibrium model prediction control method and system. The model prediction control method comprises the following steps that S1, a heating supply system hydraulics simulation model is built; S2, flow distribution schemes of all heating stations are calculated; S3, through the heating supply system hydraulics simulation model, in-station pressure drop of all heating stations corresponding to the flow distribution schemes is calculated; S4, through all heating station running historical data, the congruent relationship between the adjustable valve opening degree or water pump frequency and the heating station hydraulic characteristic is built; and S5, according to target flow and in-station pressure drop conditions of all heating stations, the adjustable valve opening degree or adjustable booster pump frequency in all heating stations are calculated, and control operation is accordingly executed.

The invention relates to an MVR technology-based machining emulsified wastewater treatment method. The method comprises the following steps: realizing oil-water separation of emulsified wastewater by adopting an MVR technology, allowing condensed water generated after evaporation to enter an equalizing tank, and carrying out biochemical treatment; adding supplemented nutrients needed by subsequent biological treatment to the equalizing tank in order to realize subsequent biological treatment; carrying out hydrolysis acidifying treatment on wastewater to convert non-biodegradable organic matters in the wastewater into soluble organic matters, carrying out aerobic decomposition on the organic matters in the wastewater, and discharging outlet water to a next treatment technology; discharging water discharged from a contact aerobic tank to a secondary sedimentation tank in order to carry out mud-water separation; and filtering water separated through the secondary sedimentation tank to remove residual suspensions in water. The method has the advantages of simple process flow, stable control of the biochemical treatment impact load, guaranteeing of standard reaching of treatment outlet water, and solving of the secondary treatment problem of concentrate and ultrafiltration concentrate in traditional technologies.

The invention discloses a temperature curve self-correcting algorithm and system for a distributed optical fiber temperature sensing system. The temperature curve self-correcting algorithm comprises the following steps: obtaining a reference optical fiber temperature, a Stokes light intensity data curve and an anti-Stokes light intensity data curve through sampling, obtaining an uncorrected temperature data inverse ratio curve f(z) through calculating, and reading corrected parameters of all piecewise intervals from a correction factor table, wherein the corrected parameters comprise the range of the piecewise intervals and correction factors, and correction factors comprise leveling factors and calibration factors; calculating an allowance of each piecewise interval, sequentially connecting the allowances of the piecewise intervals to obtain an allowance data curve delta(z) corresponding to the uncorrected temperature data inverse ratio curve, and a corrected temperature data curve is calculated. The temperature curve self-correcting algorithm and system for the distributed optical fiber temperature sensing system are capable of performing quick temperature curve self-correction during the production commissioning process and construction site automatically, accelerating the installing and commissioning progress and preventing a huge consumption of time caused by manual correcting operation resulted form repeatedly adjusting a temperature correcting curve.

The invention discloses a method and a device for accurately measuring a bridge boom and tensioning the boom. The device consists of an anchor backing plate with a central hole, a sleeve with an adjustment window, fixing nuts, a through lifting jack, a through force sensor, a dynamometer, a limit nut, and a tension rod; and the method comprises the following steps of: determining the through force sensor according to a Hooke's law and the maximum design tension of the boom, calculating the maximum stress of the tension rod, selecting the materials of a tension rod body according to the maximum stress, determining the lectotype of the through force sensor, sequentially assembling, and tensioning the boom by using the through lifting jack, reading the dynamometer, and displaying the force value of the through force sensor. The device has a simple structure, is high in accuracy and low in cost, and is detachable, and can be used repeatedly.

The invention is applicable to the field of medical instruments and provides a body position fixator for locating limbs in a surgery. The body position fixator comprises a baseplate, a first slide slot arranged on the baseplate, and at least one pair of arc locating rings, wherein the locating rings are arranged in the first slide slot in a sliding manner, one pair of locating rings can locate the position through a pair of locating locks arranged on the side edge of the baseplate, the concave sides of the pair of the locating rings are oppositely arranged to limit the limb between the pair of locating rings, and the number of locating rings is the same as that of the locating locks. Therefore, the body position fixator can regulate the fixation position according to the requirement of body position in the surgery to meet the requirement of maintaining the body position, the structure is simple, the manual operation is replaced, and the body fixator is convenient to use, install and dismount.

The invention relates to a positioning device for distal locking of an intramedullary nail. The positioning device comprises a positioning mechanism and an adjusting mechanism, wherein the positioning mechanism comprises a first positioning ring and a second positioning ring which are arranged at intervals and are concentrically arranged; a guide needle penetrates through the first positioning ring and the second positioning ring in sequence and is positioned by the first positioning ring and the second positioning ring; the adjusting mechanism comprises a longitudinal rotation assembly used for rotating around a longitudinal axis so as to drive the positioning mechanism to rotate around the longitudinal axis, a transverse rotation assembly used for rotating around a transverse axis so as to drive the positioning mechanism to rotate around the transverse axis, a longitudinal translational component used for driving the positioning mechanism to move along the longitudinal direction and a transverse translational component used for driving the positioning mechanism to move along the transverse direction; the positioning mechanism is detachably or fixedly connected to at least one of the four components; an intersection of the longitudinal axis and the transverse axis is arranged on a connection line of a circle center of the first positioning ring and a circle center of the second positioning ring; an included angle is formed between the plane formed by the longitudinal direction and the transverse direction and the penetrating path of the guide needle. The positioning device is capable of assisting a doctor to quickly and accurately positioning far-end lock holes under the conditions without extra iatrogenic wounds and low radiation frequency.

The invention provides an automatic voltage control device and a control method for a distributed photovoltaic power station. The control device comprises a communication management module, a command processing module, an AVC module, a data management module and an information displaying module. The communication management module is in charge of receiving and transmitting real-time information with a connected device. The command processing module is in charge of converting formats of remote regulation and remote control orders received and transmitted by the communication management module. The AVC module is used for carrying out reactive power control on photovoltaic inverters of the whole station and an SVC/SVG system through the preference control strategy of the inverters according to the real-time information received at present and can control tap positions of a transformer substation, and therefore the busbar voltage of the current power station meets the requirement of power grid dispatching.

The invention discloses an elevator intelligent brake control method and device. The control method includes: a brake control system which outputs voltage to a brake coil to allow a brake shoe to be separated form a brake wheel is started, and target floor information is input to the brake control system to allow an elevator car to operate; when the distance between the elevator car and the target floor reaches the preset distance, the brake control system slowly reduces voltage output, magnetic force generated by the brake coil reduces gradually, and a compression spring on the brake arm gradually reduces the distance between the brake shoe and the brake wheel; when the elevator car reaches the target floor, voltage output by the brake control system is cut off, the brake shoe tightly holds the brake wheel, and the elevator car stops operating. By the method, brake time during elevator stopping is reduced, and safety hazards such as sliding when the elevator control system fails. Due to the fact that the distance between the brake shoe and the brake wheel is reduced, noise caused by collision of the brake shoe and the brake wheel is reduced. The invention further provides an elevator intelligent brake control device.

This invention discloses a method for adjusting data flow transmission links including designing a holding parameter threshold value of the transmission link to get the holding parameter of the current transmission link, when the property target of other links is better than the current link, the holding parameter of the current transmission link and its threshold value are compared to determine if the data flow transmission link should be adjusted. This invention also discloses a device including a communication module used in interacting with the routers in data, a transmission link holding module used in designing the holding parameter threshold value of the transmission link and a deciding module determining if the transmission link of the data flows should be adjusted based on the data flows provided by the routers, information of the link and the holding parameter threshold value.

The invention discloses a double-rod type giant magnetostriction ultrasonic vibration device. The device comprises a knife handle, a variable amplitude rod and a tool head are sequentially connected to the lower end of the knife handle, a cavity is formed in the lower part of the knife handle, a giant magnetostriction transducer is arranged in the cavity, a sealing bearing, an elastic check ring and a sleeve are arranged on the outer side wall of the knife handle, the elastic check ring and the sleeve are used for fixing the sealing bearing, a shell is arranged outside the sealing bearing, anupper end cover and a lower end cover are arranged at the upper end and the lower end of the shell respectively, the outer side of the knife handle is also provided with a primary side winding and a secondary side winding, and the primary side winding and the secondary side winding are located below the shell in sequence. According to the double-rod type giant magnetostriction ultrasonic vibrationdevice, the problem of magnetic flux leakage of the giant magnetostriction transducer is solved.

The invention discloses a rotor for a television frame with an improved structure. Both a first connecting plate and a second connecting plate are U-shaped; the second connecting plate sleeves the outer side of the first connecting plate; a first connecting hole and a second connecting hole are formed in the side wall of the first connecting plate; the first connecting hole is a vertical or horizontal elongated straight hole; the second connecting hole is an elongated inclined hole; a first circular hole and a second circular hole corresponding to the positions of the first connecting hole and the second connecting hole are formed in the two opposite side walls of the second connecting plate; a first connecting piece penetrates in the first connecting hole and the first circular hole and is finally connected with one end of a connecting sheet in a fastening way; a second connecting piece penetrates in the second circulating hole and the second circular hole and is finally connected the other end of the connecting sheet in the fastening way; the second connecting piece can be kept at any position in the second connecting hole; the hanging plate is connected with one side, back to the first connecting plate, of the second connecting plate; a mounting structure for mounting a television is arranged on the hanging plate. According to the rotor for the television frame with the improved structure, a pitch angle of the television in a long-term using process can be kept unchanged all the time, and repeated adjustment is avoided.

The invention discloses a construction method of an anchorage anchoring system. The construction method comprises the following steps of (1) constructing a well cover of a sinking well; (2) pouring concrete in a step area of an anchor beam bracket layer by layer; (3) installing the anchor beam bracket; (4) installing an anchor beam and an anchor rod bracket; (5) installing anchor rods and pouringanchor block concrete layers one by one; (6) continuing anchor block construction. According to the construction method, a mixed anchoring bracket system is formed, and a construction mode of installing the anchor rods during pouring is adopted at the same time. According to the method, the mixed anchoring bracket system is formed, the rigidity of the anchoring bracket is enhanced correspondingly,the cumulative deformation effect is eliminated, repeated operation caused by deformation of the bracket is effectively prevented, the construction efficiency is improved, the use amount of section steel is reduced, and the input cost is reduced.

The invention discloses a control device for a water heater, the water heater and a control method for the water heater. The device comprises a sensing unit (108), a control unit (110) and a communication unit; the sensing unit (108) is used for obtaining identity information of a user using the water heater; the control unit (110) is used for determining water consumption information of the user according to the identity information; and the communication unit is used for receiving and transmitting the identity information and/or the water consumption information. According to the scheme adopted by the invention, the defects such as a complex regulating process, inconvenience in use, poor user experience and the like in the prior art can be overcome, so that beneficial effects of a simple regulating process, convenience in use and good user experience are realized.

The invention belongs to the field of microwave circuit and device modeling, and provides a neural network space mapping modeling method used for a large signal power transistor. The method comprisesthe steps of firstly building a neural network space mapping model with capacitors and inductors, and changing direct current and alternating current characteristics of the model; secondly extractingadditional current signals by adopting a novel nonlinear function to improve large signal characteristics of an existing device model, and meanwhile, keeping an S parameter unchanged; and finally quickly training the built neural network space mapping model by adopting a stepwise training method. Therefore, variables are prevented from being repeatedly adjusted and the modeling cycle is shortened.

The invention discloses a mounting method for a sill anchor combined support frame for a steel structure shear wall and an outer frame column base of a super high-rise building. The method comprises the following steps of: S1, paying off at the position of the sill anchor combined support frame after civil foundation bed construction is finished; S2, mounting a transition rack at a proper position; S3, assembling an anchor bolt stock, an anchor bolt and an anchor bolt penetrating rack into an anchor bolt component, and placing the anchor bolt component on the transition rack; S4, preserving slot templates on a steel plate wall or a steel column foot base anti-shear component; S5, performing a primary calibration on the perpendicularity, the planimetric position and the anchor bolt top elevation of the overall anchor bolt component; S6, performing a secondary calibration on the perpendicularity and the elevation of the anchor bolt in the anchor bolt component before pouring concretes; and S8, pouring building foundation concretes. The mounting method has the advantages of assembling the sill anchor combined support off site so as to reduce in-site cross operation, flexibly adjusting the sill anchor combined support according the practical situation on site, greatly improving the construction efficiency and the like.

The invention provides an active/reactive power control system of an intelligent wind power station. The active/reactive power control system comprises an information collection module, an order receiving module, an AGC (Automatic Gain Control) module, an AVC (Automatic Volume Control) module and an order issuing module; a power grid dispatching system respectively issues orders to the AGC module and the AVC module through the order receiving module; and the AGC module and the AVC module respectively calculate an active target value of an air blower and reactive target values of the air blower and a static reactive compensating device by respectively collecting remote-metering and remote-signaling information and a dispatch issuing order of the equipment through the information collection module, and issuing a calculation result to the air blower and the static reactive compensating device through the order issuing module. The active/reactive distribution distributes according to regulation capability of the single air blower; reactive regulation uses the strategy that the static reactive compensating device is prior to the air blower; the static reactive compensating device is much faster and more accurate than the air blower in the response speed, so that the reactive regulation can be rapidly and accurately responded; and moving average is carried out on real-time data, so as to filter values with large fluctuation. Therefore, the algorithm is more accurate.

The invention discloses a reverse design method of rotor structure dynamics based on failure genes. The method comprises the steps of designing an initial rotor structure according to rotor speed and power function design requirements to obtain a critical speed and a vibration mode, performing failure gene screening, establishing a failure gene pool of a rotor-supporting system, determining a dominant gene of the initial rotor structure and an expression of the dominant gene, estimating failure response of a dominant failure of the initial rotor structure, adjusting rotor structure parameters according to genetic factors if the failure response is prominent, and estimating the failure response again till a requirement is met. According to the method, a potential vibration failure is preestimated in a design process, and structure adjustment and optimization are performed on a specific failure, so that the possibility of failure occurrence is reduced to the greatest extent; the containment capacity of a design result of aeroengine structure dynamics to a typical failure is improved; a direction is pointed for characteristic optimization of rotor dynamics; a development cycle of a rotor system is shortened; and the development cost is saved.

The invention discloses a rotating disc type automatic flame welding machine and a welding method thereof. The rotating disc type automatic flame welding machine comprises a machine body, the machinebody is provided with a welding frame, a rotating disc is arranged at the top of the welding frame, a driving assembly is arranged at the bottom of the welding frame and drives the rotating disc to rotate, a feeding device is arranged on one side, located on the rotating disc, of the welding frame, a welding device is arranged on the other side of the welding frame, clamping devices are evenly arranged at positions, corresponding to the feeding device and the welding device, of the rotating disc, each clamping device is provided with a clamping frame, a high-speed precise cam divider is arranged at the top of each clamping frame, each high-speed precise cam divider is rotationally connected with a clamping table, each high-speed precise cam divider controls the corresponding clamping tableto rotate intermittently, an a clamping assembly is arranged on one side, away from the circle center of the rotating disc, of each clamping table and used for fixing a workpiece; and the welding method comprises the following steps of a, preparing before welding; b, feeding; c, welding; and d cyclic batch processing. According to the rotating disc type automatic flame welding machine and the welding method thereof, the welding precision of the workpiece is improved, and meanwhile the phenomena of insufficient welding and missing welding are eliminated.

A batch-type flexible printing device comprises a rack and a batch-type flexible printing unit. The batch-type flexible printing unit comprises a printing plate roller and a printing roller, a flexible printing power component and flexible printing transmission unit, wherein the printing plat roller and the printing roller are matched with each other to carry out printing, the flexible printing power component provides driving power, and the flexible printing transmission unit is connected with the flexible printing power component and is driven by the flexible power component to provide the power of the flexible printing power component for the printing plate roller or the printing roller. The printing plate roller is provided with a printing area and a non-printing area according to the arranging positions of printing plates. Through the arrangement of the batch-type flexible printing unit, the printing plate roller is provided with the printing area and the non-printing area according to the arranging positions of the printing plates, the needs of printing objects and printing plates with different sizes are met, and manufacture cost is saved. The printing plate roller is prevented from being replaced due to the replacement of the printing plates, pressure and positions are prevented from being adjusted repeatedly in a replacement process, manufacture time is saved, and the batch-type flexible printing device is especially suitable for the printing of the printing objects with a small quantity and different specifications.