34results about How to "Instant adjustment" patented technology

The invention discloses a system configuring and testing method in the production of an IPTV (Internet Protocol Television) set top box, which comprises the steps of: realizing hardware detection by combining Java Script expansion and CGI (Common Gateway Interface) technology, and compiling into a hardware test interface, wherein the hardware test interface is used for detecting the working states of USB equipment, a CPU (Central Processing Unit), an internal memory and a network card of the IPTV set top box; compiling into a configuration information detection interface, wherein the configuration information detection interface is used for detecting network configuration information and software version information of the IPTV set top box; operating a browser in the set top box by a tester through a remote controller for loading a test web page, and testing the software of the set top box through an EPG (Electronic Program Guide) page; and completing the configuration of basic information of the set top box by adopting the web page and the browser on the basis of the set top box and combining with a stream media server erected externally. The invention has the advantages of simplicity and rapidness in development and maintenance, low cost, no need of developing complex programs and optimization of large-scale production processes, and solves the problems of batch testing of the produced set top boxes and configuration on the set top boxes.

The invention discloses an underwater towing body controlled by a front-edge-rotating cylindrical wing. Forced sinking hydrofoils of the underwater towing body adopt symmetrical airfoil profiles, andare symmetrically arranged on the two sides of the front portion of a main cavity, two rotating cylinders are symmetrically arranged at the front ends of the profile faces of the forced sinking hydrofoils relative to the main cavity, and are connected with a speed adjusting motor located inside the main cavity through rotating-cylinder rotating shafts; ducted propellers are symmetrically arrangedon the two sides of the back ends of the forced sinking hydrofoils; a transverse horizontal fixed empennage is arranged at the tai lend of the main cavity, and vertical streamlined flap type rudders are symmetrically arranged at the two ends of the transverse horizontal fixed empennage respectively; a flap is arranged at the tail end of each vertical streamlined flap type rudder, and is connectedwith a flap angle control device. According to the underwater towing body controlled by the front-edge-rotating cylindrical wing, by changing the rotating speeds and the rotating directions of the rotating cylinders at the front ends of the forced sinking hydrofoils, attack angles of the forced sinking hydrofoils can be efficiently and flexibly adjusted, and the aim of changing the motion trail ofthe vertical direction of the towing body is achieved; on this basis, the thrust directions of two-side propellers are changed through assisting, and directional floating and sinking can be achieved.

The invention relates to a battery charging management system applied to an electric vehicle. The battery charging management system comprises a front-end battery parameter sampling module, a data transmission module, a central control module and a lower-end command execution module, wherein the front-end battery parameter sampling module is used for collecting power battery working parameter data; the data transmission module is used for transmitting the power battery working parameter data collected by the front-end battery parameter sampling module to the central control module; the centralcontrol module is used for analyzing the data to obtain a current battery state and analyzing and calculating the state of charge and required charging current of a battery, thereby controlling the lower-end command execution module; and a mixed algorithm of an Ampere-Hour integral method and an open circuit voltage method is adopted by a method, for calculating the state of charge (SOC) of the battery, for the central control module. Related faults of the battery in the working process are diagnosed through monitoring related working parameters, such as voltage, current and temperature in real time, thereby ensuring efficient, safe and reliable working of the battery.

The invention relates to a guide star-based large-scale telescope field assembly and adjustment detection device and a guide star-based large-scale telescope field assembly and adjustment detection method and belongs to the optical assembly and adjustment detection technical field. The objective of the invention is to solve the problem of poor reliability and the incapability of a fixed star target to satisfy a light source stability requirement of optical system assembly and adjustment detection. The guide star-based large-scale telescope field assembly and adjustment detection device of the invention comprises a high-performance laser, a laser beam expanding telescope, a precision pointing mirror and a wavefront sensor; the wavefront sensor is located behind the focus of a detected large-scale telescope; a laser beam emitted by the high-performance laser is subjected to beam expansion of the laser beam expanding telescope; the expanded laser beam is reflected to a sodium atom layer through the precision pointing mirror, wherein the sodium atom layer is 100km above the ground; the laser beam excites sodium atoms to resonate, so that a sodium laser guide star can be obtained; the sodium laser guide star enters into the center of the detector view field of the wavefront sensor; the optical axis of the laser reflected by the precision pointing mirror is parallel to the visual axis of the detected large-scale telescope; and the star point of the sodium laser guide star enters view field of the detected large-scale telescope system.

The invention relates to an electric lifting interactive electronic white board. A motherboard device can slide up and down to be arranged on a bracket, an electric lifting device is arranged on the bracket and connected with the motherboard device for lifting the motherboard device, preferably, a button switch module and a driving device of the electric lifting device are mutually connected and mounted on the bracket, a rotating shaft is rotatably arranged in the bracket, the driving device is connected with the rotating shaft to drive the rotating shaft, a rope wheel is mounted at the upper part of the bracket, the rotating shaft winds the rotating shaft through a rope to be connected with the motherboard device which is arranged on a guide rail of the bracket and can be folded. The electric lifting interactive electronic white board also comprises a remote controller, a limit switch protection device and a projector equipment hanging device. The invention has smart design, can be used for instantly adjusting the vertical position of the electronic white board, is convenient and comfortable to use, greatly improves the working efficiency, can be folded to reduce occupied space and be conveniently conveyed and therefore lays a solid base for the further development of modern education modes and teaching modes.

The invention provides a mechanism for detecting clamping force of a test piece in a flat thermal conductivity coefficient measuring instrument, which comprises a mechanical part, a displacement detecting part and a pressure conversion part. A high-precision displacement sensor which can detect the micro-displacement of the instrument barrelhead is arranged on an instrument barrelhead, and the clamping force received by the test piece can be converted through detecting the output of the displacement sensor. The invention also provides a calibration method of the mechanism for detecting clamping force of the test piece in the flat thermal conductivity coefficient measuring instrument. The effect of the invention is achieved as follows: the clamping force received by the test piece can be calibrated in real time through a clamping force detecting mechanism and the calibration can be carried out on the clamping force detecting mechanism by utilizing a standardized pressure value, and theconsistency of the clamping forces received by the test piece is ensured in repeated measurements, thereby improving the accuracy and the repetitiveness of the thermal conductivity coefficient measurement. The thermal conductivity coefficient instrument with the mechanism for detecting the clamping force of the test piece can be used widely in enterprises producing heat insulation materials, relevant quality inspection departments and units, scientific research institutions like universities and colleges, research institutions and the like.

The invention relates to a dashboard configuration rendering method, a system, a device and a storage medium. The method comprises the steps of configuring the basic information and the structure of the dashboard, and generating a configuration file; Parsing configuration file data, assembling and rerendering the configuration file data into data types that can be parsed by the engine, wherein theconfiguration file data comprises the structure data of the dashboard and the configuration data of each component; The whole structure is rendered by structural data, and the component configurationfile data is transferred to each component. Assemble the business data for the rendering component. The invention is convenient for the service personnel to configure the dashboard according to the needs and adjust the configuration of the dashboard in real time, which saves a lot of time and workload, and the configuration file data and the service data separation request and the service data separation request of each component are provided, the rendering speed and the user experience of the dashboard are improved.

The invention discloses an efficient updating method for a settlement prediction model, and belongs to the field of surveying and mapping. The method comprises the following steps of (1) carrying out linear processing on a nonlinear settlement prediction model according to the characteristics, and obtaining a linear settlement model which can be used for regression; (2) according to the minimum settlement data volume n required by modeling, taking the settlement observation data in the first n periods to fit a model, and obtaining an initial parameter vector estimated value and an initial correlation coefficient gamma (n) of the prediction model; (3) obtaining an updated parameter vector estimated value based on the parameter vector estimated value fitted by the settlement observation data in the previous n periods and the newly added settlement observation data in the (n+1)-th period; (4) iteratively calculating a correlation coefficient gamma (n+1) of the updated model based on the reserved parameters before updating for evaluating the updated model; and (5) along with the project progress, continuously increasing the settlement observation data, and repeating the steps (3) and (4) to synchronously realize the iterative updating of the settlement prediction model.

The invention discloses a processing and detection method for improving floating sleeve inner hole oil wedge detection efficiency, an inner hole is a base circle, a plurality of oil wedges are uniformly distributed, and an included angle between nodes at two ends of a single oil wedge is [alpha], and the method comprises the following steps: determining an angle range beta between the oil wedge and the arc lift of the base circle within 0.001 mm according to different specifications of oil wedge lifts, and recording a width size L; aligning a base circle and a part plane of the unmachined floating sleeve, controlling the reference precision and end face bounce of the inner hole, clamping the floating sleeve, machining the floating disc inner hole oil wedge according to a set numerical control machining program, and ensuring that the width L value of the base circle of the inner hole is the same as a theoretical value after the floating disc inner hole oil wedge is actually machined; and placing a V-shaped equal-height block used for detection on a plane, then tightly attaching the end face of the floating sleeve, fixing the dial indicator on the plane, enabling a pointer of the dial indicator to extend into an oil wedge in an inner hole of the floating sleeve, and therefore, lift detection of the oil wedge of the floating sleeve can be achieved by slowly rotating the floating sleeve at a constant speed while the pointer is tightly attached to the end face of the floating sleeve.

The invention relates to a wireless sensor network homomorphic encryption privacy protection method. The redundancy of data is ensured through a linear reduction algorithm, and the privacy of data is ensured through homomorphic encryption. According to the linear reduction algorithm, hidden fragmented data information is added to fragmented data so that original data can be reduced based on the hidden data information even if a data packet is lost. The privacy of data is ensured through a homomorphic encryption algorithm. Moreover, the homomorphic encryption algorithm and the linear reduction algorithm are combined. The amount of computation is not increased too much. The method is applicable to a wireless sensor with weak computing ability.

The invention provides an optical axis included angle measurement adjusting device, which comprises at least two cameras and a measuring target plate, wherein the at least two cameras are mounted or assembled on the same height plane, and optical axes of the at least two cameras face the measuring target plate and form an included angle; the distance between the measuring target plate and the at least two cameras is L, the distance between intersection points of the optical axes of the at least two cameras and the measurement target plate is d, and the distance between the at least two camerasis D; and the optical axis included angle between the at least two cameras is expressed as shown in the description by radian. By using the included angle measuring target plate, the optical axis included angle relationship between the cameras can be conveniently and efficiently determined, and the camera groups in the up-and-down or left-and-right positional relationship can be easily measured.For cameras installed on universal joints and other devices, optical axis included angle real-time calibration can be carried out according to real-time video images.

The invention discloses a stepless speed regulation and step speed regulation combined fan gearbox which comprises a box body; a box cavity is formed in the box body; a first rotary shaft is rotatablyconnected between the left and right walls of the lower side of the box cavity; a left rotary shaft and a right rotary shaft on the left and right walls of the box cavity are rotatably connected withthe just upper side of the first rotary shaft; and a first motor fixedly arranged in the right wall of the box cavity is in power connection with the second rotary shaft on the right side. The stepless speed regulation and step speed regulation combined fan gearbox can realize switching among all gear revolving speeds, realizes fast speed regulation, can realize stepless fine regulation on the revolving speed after fast speed regulation to obtain personal preferred any transmission ratio and revolving speed, is very convenient to operate and simple in structure and realizes immediate speed regulation as the revolving speed of the output shaft is unchanged; and a user can precisely feel immediate wind speed and regulation is convenient.

The invention discloses a mini-tiller rotary blade control system and method. The mini-tiller rotary blade control system comprises a crop information acquisition module, a control center and a rotaryblade depth control module. The crop information acquisition module is used for acquiring information of crop to be sown to form information of the crop to be sown; the control center is used for obtaining the sowing depth required by the crop to be sown according to the information of the crop to be sown and analyzing the operation depth of a rotary blade to form an operation depth instruction;and the rotary blade depth control module is used for controlling the rotary blade operation depth of a mini-tiller according to the operation depth instruction so as to realize intelligent operation.

The invention discloses a wire aligning method and device used in metal wire melting processing. The invention is aimed at the technology of melting metal wires through a heat source to process the metal wires. A camera equipped with a filter device is used to take a picture of a molten pool and a picture of the surroundings, and the pictures are processed and defined so as to distinguish the outline of the molten pool and the image of a wire end. According to processing characteristics and the practical experiences, the molten pool is divided into a safe area, a transition area and an unsafe area. The relative positions of the wire end and the molten pool are compared; when the wire end is located in the unsafe area outside the transition area or is located in the transition area for a long time, a computer sends out a feedback signal according to the relative positions of the wire end and the center of the molten pool to control an motor of an adjusting mechanism to move; and the wire end is adjusted to the safe area through the movement of a wire feed pilot mouth. In such a way, self-adaptive alignment of a wire is realized, the wire feeding process is smoother and the appearance quality of the molded wire is better.

The invention provides an online automatic real-time centering method used for detecting precision of a wire drawing module for wire rod drawing. The wire drawing module includes a supply machine, a cold drawing machine and a cold drawing mold arranged between the supply machine and the cold drawing machine. The method includes a preparing step. A sensing unit is arranged on the cold drawing mold. The sensing unit is connected with a control unit electrically. The method also includes an adjusting step. The cold drawing machine draws a wire rod to penetrate through a through hole of the cold drawing mold for making the wire diameter of the wire rod reduced after penetrating through the hole. When the sensing unit detects that shift of the cold drawing mold occurs, the cold drawing machine can be moved through the control unit, so that a center point of the through hole of the cold drawing mold can be overlapped with a projection point of a center point of the cold drawing machine on the same plane. The invention also provides the online automatic real-time centering device for cold drawing forming.

The invention discloses a display method and system for dividing vehicle flow information, a server, and a storage medium. The method includes the steps: acquiring first license plate information collected at an entrance of a preset road segment and second license plate information collected at an exit of the preset road segment; carrying out the matching of the first license plate information andthe second license plate information; performing quantity statistics of the first license plate information that is not successfully matched, and obtaining the number of vehicles; acquiring driving recorder information corresponding to each piece of first license plate information that is not successfully matched; extracting current image information in the driving recorder information, dividingthe number of vehicles into each lane of the preset road segment by a preset rule according to the current image information, and transmitting the number of vehicles in each lane to a display device for displaying. The method achieves the dividing of the displayed vehicle flow information by detecting that the displayed vehicle flow information of the road segment reaches a preset threshold value,so as to enable the vehicles at the congested road segment to adjust the lanes immediately, thereby improving the intelligence of an urban system.

A tool for detecting tightness of molybdenum wires for linear cutting machines relates to the field of tools for detecting tightness of molybdenum wires on linear cutting machines. The tool is characterized in that a sliding seat sliding plate (11) of a sliding seat (7) provided with a guide wheel (9) is inserted into a sliding seat sliding groove (22) of a seat body (15); a cross rod (2) is inserted into a cover plate cross rod inserting groove (29) of a cover plate (16); the cover plate (16) is connected with the seat body (15) and is provided with a scale (8); a tension spring (12) is hooked on an upper tension spring screw (13) on the sliding seat (7) and a lower tension spring screw (14) on the seat body (15); and left magnetic steel (5) and right magnetic steel (6) are arranged on the cross rod (2) and a left claw (3) and a right claw (4) are arranged at the lower ends of the left magnetic steel (5) and the right magnetic steel (6) respectively. The tool has simple structure and is accurate in detecting the tightness of molybdenum wires.

The invention provides a mechanism for detecting clamping force of a test piece in a flat thermal conductivity coefficient measuring instrument, which comprises a mechanical part, a displacement detecting part and a pressure conversion part. A high-precision displacement sensor which can detect the micro-displacement of the instrument barrelhead is arranged on an instrument barrelhead, and the clamping force received by the test piece can be converted through detecting the output of the displacement sensor. The invention also provides a calibration method of the mechanism for detecting clamping force of the test piece in the flat thermal conductivity coefficient measuring instrument. The effect of the invention is achieved as follows: the clamping force received by the test piece can be calibrated in real time through a clamping force detecting mechanism and the calibration can be carried out on the clamping force detecting mechanism by utilizing a standardized pressure value, and theconsistency of the clamping forces received by the test piece is ensured in repeated measurements, thereby improving the accuracy and the repetitiveness of the thermal conductivity coefficient measurement. The thermal conductivity coefficient instrument with the mechanism for detecting the clamping force of the test piece can be used widely in enterprises producing heat insulation materials, relevant quality inspection departments and units, scientific research institutions like universities and colleges, research institutions and the like.

The invention discloses a voltage detector and a communication circuit. Compared with the prior art, the voltage detector can detect a lower input voltage. The result of the detection of the voltage detector of the invention can be used as a basis for adjusting circuit parameters, so that a condition that an excessively high input voltage damages a later-stage circuit can be avoided. According toan embodiment of the invention, the voltage detector includes an alternating current coupling circuit, a feedback amplifying circuit and an auxiliary circuit; the alternating current coupling circuitis used for generating a first input voltage and a second input voltage according to an input voltage; the feedback amplifying circuit is used for outputting shunt current according to source and sinkcurrent and determining an output voltage according to the first input voltage and the quantity of the shunt current; and the auxiliary circuit for determining the quantity of the source and sink current according to the second input voltage, wherein the source and sink current contains the shunt current. The output voltage increases with the rise of the first input voltage, and additionally increases as the shunt current increases, and therefore, the slope of the change of the ratio of the output voltage to the input voltage is larger, and testing can be benefitted.

A device for performing information reconciliation in a Quantum Key Distribution (QKD) system is proposed. The device obtains QKD data. The device further obtains an initial error correction codeword; determines, based on a Signal to Noise Ratio (SNR) and / or Bit Error Rate (BER) of the QKD data, a number of punctures N >= 0 to be performed on the initial error correction codeword; and generates an output error correction codeword by puncturing the initial error correction codeword at N positions. Data in the QKD can thus be smoothly processed even under SNR variations.

The invention discloses an operation system of a special electromagnetic wave spectrum treatment device, which comprises a temperature output module for outputting a treatment temperature; an input module for inputting control orders by an operator; a main control module for processing the control orders and controlling the temperature output module work; and a display module for displaying a prompt graph related to the temperature output. The temperature output module comprises two working states, namely a stand-by state and an output state in power on condition; in the output state, the main control module controls the output model of the temperature output modules; the output models comprise a high-temperature output model and a low-temperature output model; a working state displaying unit used for displaying the working states is set in the display module; and an output model displaying unit used for displaying the output model is also set in the display module. With the operation system, by adopting the output model displaying unit of the display model to display a display graph of the corresponding output model, a user is instantly informed of the current output model, thereby the condition of the device can be known instantly and the corresponding adjustment can be done.

The invention discloses a display device, a humidity detection method for a display panel, and a gamma curve correction method. The humidity detection method comprises the following steps: displayinga test pattern by a display panel; projecting incident light to the test pattern of the display panel by the light source to generate diffracted light; and detecting the diffracted light by a light detector to obtain humidity information of the display panel. Humidity information of the display panel can be used for adjusting gamma setting of the display panel.

The invention relates to a homomorphic encryption privacy protection method for a wireless sensor network, in particular to ensure the redundancy of data through a linear restoration algorithm and ensure the privacy of data through homomorphic encryption. The linear restoration algorithm is to add hidden fragmented data information to the fragmented data to ensure that even in the case of data packet loss, the hidden data information is used to restore the original data, and the privacy of the data is guaranteed through the homomorphic encryption algorithm. Data privacy protection. At the same time, the combination of homomorphic encryption addition and linear reduction will not increase the amount of calculation too much, which is suitable for the characteristics of weak computing power of wireless sensors.

A detection method and a detection system are provided. The detection method includes steps of: moving a carrier bed to a detection machine table to obtain a shield image group; placing a detection object, and picking the detection image of the carrier bed and the detection object, and setting a detection area according to the shield image group; then, calculating a detection pixel, correspondingto the detection area, in the detection image; if it is determined that the detection pixel satisfies a preset conditions of threshold, adjusting the carrier bed or the detection object.

The invention discloses a system configuring and testing method in the production of an IPTV (Internet Protocol Television) set top box, which comprises the steps of: realizing hardware detection by combining Java Script expansion and CGI (Common Gateway Interface) technology, and compiling into a hardware test interface, wherein the hardware test interface is used for detecting the working states of USB equipment, a CPU (Central Processing Unit), an internal memory and a network card of the IPTV set top box; compiling into a configuration information detection interface, wherein the configuration information detection interface is used for detecting network configuration information and software version information of the IPTV set top box; operating a browser in the set top box by a tester through a remote controller for loading a test web page, and testing the software of the set top box through an EPG (Electronic Program Guide) page; and completing the configuration of basic information of the set top box by adopting the web page and the browser on the basis of the set top box and combining with a stream media server erected externally. The invention has the advantages of simplicity and rapidness in development and maintenance, low cost, no need of developing complex programs and optimization of large-scale production processes, and solves the problems of batch testing of the produced set top boxes and configuration on the set top boxes.

The invention relates to the technical field of construction production, and discloses a construction steel bar butt welding positioning fixture based on air flow. The construction steel bar butt welding positioning fixture comprises a construction steel bar, a steel bar positioning butt joint mechanism, an electric welding machine lifting mechanism, a welding mechanism and an air flow pressing mechanism, wherein the steel bar positioning butt joint mechanism comprises an auxiliary bearing, a hydraulic pump, a hydraulic rod, a steel bar inserting pipe, an upper positioning bolt, a lower positioning bolt, a side edge positioning bolt, a rotating handle, a fixed inserting plate, an inserting annular plate, an inserting notch and a fixed inserting rod. High-stability butt joint of welded products and flexible adjusting and fixing work of welding equipment are achieved, splashing of sparks is effectively avoided, safety is enhanced, and the situations that high welding requirements cannotbe met through manual welding, particularly, some high-specification steel bars cannot be held by manpower possibly and the welding quality is poor due to the fact that manual welding processing is difficult to control welding points for a long time are avoided.

The invention discloses a video and audio recover, which comprises a host module and a sub-machine module. The host module comprises a control unit, a display unit, a video and audio input and output unit, a radio frequency receiving unit and a radio frequency transmission unit, wherein the control unit is connected with the display unit, a photographic unit, the video input and output unit, the radio frequency receiving unit and the radio frequency transmission unit respectively. The sub-machine module comprises a control unit, a display unit, a key unit, a decoding unit, a radio frequency transmission unit and a radio frequency receiving unit, wherein the control unit is connected with the display unit, the key unit, the decoding unit and the radio frequency transmission unit respectively; and the decoding unit is connected with the radio frequency receiving unit and the display unit respectively. The video and audio recorder comprises the host module and the sub-machine module, which transmit information to each other through radio frequency modules, so that the shortcoming that the conventional video and audio recorder only can display videos and audios on a host, and is low in concealment is overcome.

The invention discloses a voltage detector and a communication circuit. Compared with the prior art, the voltage detector can detect a lower input voltage. The result of the detection of the voltage detector of the invention can be used as a basis for adjusting circuit parameters, so that a condition that an excessively high input voltage damages a later-stage circuit can be avoided. According toan embodiment of the invention, the voltage detector includes an alternating current coupling circuit, a feedback amplifying circuit and an auxiliary circuit; the alternating current coupling circuitis used for generating a first input voltage and a second input voltage according to an input voltage; the feedback amplifying circuit is used for outputting shunt current according to source and sinkcurrent and determining an output voltage according to the first input voltage and the quantity of the shunt current; and the auxiliary circuit for determining the quantity of the source and sink current according to the second input voltage, wherein the source and sink current contains the shunt current. The output voltage increases with the rise of the first input voltage, and additionally increases as the shunt current increases, and therefore, the slope of the change of the ratio of the output voltage to the input voltage is larger, and testing can be benefitted.