17results about How to "No delay" patented technology

The invention discloses a light spray coating and a construction process thereof. The light spray coating comprises 15-20% of cement, 15-20% of plant particles, 35-40% of building material particles, 15-18% of clay, 5-8% of siliceous superfine powder, 3-5% of cellulose, 3-5% of alumina micropowder and 0.02-0.05% of aluminum powder. The construction process comprises the following steps: S1, mixing and stirring the light spraying material, adding water accounting for about 3% of the total weight of the light spraying material for wetting, forming a semi-dry material, and filling the semi-dry material into a powder tank of a powder spraying machine; s2, a semi-dry method is adopted for spraying, the semi-dry material in the step S1 is fed into a muzzle of a powder spraying gun, atomized water is added into the muzzle, and the semi-dry material is sprayed to a construction part in the sequence of water first and material second; and rubber powder is added into the atomized water. The materials in the spray coating are simple and easy to obtain, the cost is low, the effects of comprehensive reinforcement and no influence on the internal ecology of the soil can be achieved, the construction is simple and rapid, and a construction foundation does not need to be built; the setting time is extremely short, and the construction period is not delayed; the terrain does not need to be considered, the construction surface is smooth, and the original construction part is not changed too much.

The utility model relates to the technical field of water pump structures, in particular to an integrated motor water pump which comprises a pump body, a gear box, a motor and a pump shaft, the pump body, the gear box and the motor are sequentially connected, an impeller set is arranged in the pump body and arranged on the side close to a water inlet, and the pump shaft is arranged on the side close to the water inlet. The gear box, the pump body and the motor are arranged on the same axis, the motor is connected with the pump shaft, the motor drives the impeller set to rotate through the pump shaft, the pump shaft sequentially penetrates through the pump body and the gear box, one end of the pump shaft is clamped with the motor, and the other end of the pump shaft is clamped with the gear box. The driving shaft and the impeller shaft are integrally arranged, a complex gear transmission structure is replaced, the connecting complexity is reduced, the energy loss in the transmission process is reduced, the transmission efficiency is improved, the synchronism is enhanced, and the service life of the pump is prolonged. And the space occupancy rate is reduced.

The invention relates to the technical field of log data processing, and discloses a processing method for outputting a system log in a json format for a gateway, and the method comprises the steps: modifying a system kernel program, adding a specific identifier in the system log, and receiving the system log through a 514 port based on a monitoring process; intercepting a system log with an identifier and classifying the system log; re-packaging the system log, and adding a related type identifier; and transmitting the packaged log information to the target equipment so that the target equipment receives the system log in the json format based on the started event receiving interface. According to the method, the user can directly obtain the function of the system log, the system log does not need to be filtered when the equipment is used, and wanted event information can be obtained only by calling a related interface and identifying, so that the information obtaining efficiency is improved; according to the method, the system log information can be synchronously acquired in a mode of monitoring the port through the UDP server, so that the time delay is relatively low, and the operation efficiency is improved.

The invention discloses a ground-surface follow-up profiling field straw picking and crushing device, which comprises a main shaft horizontally arranged on a frame, a plurality of retractable straw crushing components arranged on the main shaft, and crushing radius control components respectively arranged in front of the straw crushing components and controlling the retraction and expansion of the straw crushing components; the straw crushing components are independent of each other and can automatically profile in real time according to any ground shape, and the profiling effect will not be changed due to the lateral undulation of the ground or the inclination of the tractor, and can adapt to various planting modes, and the previous straw can be picked up and crushed without omission and will not cut into the soil.

A variable stiffness joint for a flexible robot based on a hybrid electromagnet comprises a motor, a hybrid electromagnet fixing sleeve, a hybrid electromagnet, a joint housing, electrical pure iron and a motor support frame; the hybrid electromagnet fixing sleeve, the hybrid electromagnet and the electrical pure iron are located in the joint housing; wherein the joint stiffness adjustment part adopts the combined action of the hybrid electromagnet and the spring sheet, and has the advantages of fast stiffness adjustment response speed, no delay, no lag, etc. The magnetic force and stiffness can be maintained in the non-powered state, and the joint has energy-saving characteristics. At the same time, the joint also has the characteristics of simple movement form, simple manufacturing, and simple operation. The magnetic flux in the joint magnetic circuit system is jointly determined by the current in the permanent magnet and the excitation coil (copper coil). Therefore, by changing the magnitude and direction of the current in the excitation coil, the magnetic flux in the magnetic circuit system can be increased or decreased, that is, the joint stiffness can be increased or decreased, and the joint stiffness change is nonlinear.

The invention relates to the technical field of video data analysis and processing, and discloses a video data-based artificial information checking, collecting and early warning method, which comprises the following steps of: S1, collecting video data from cameras mounted at different positions through an identification system; s2, preprocessing the collected video; s3, key features of the preprocessed video are extracted; a predetermined risk area and different types of predetermined transaction areas are divided based on a scene view, risk areas are dynamically divided according to historical data and a real-time monitoring result, key monitoring is performed on a high-risk area, the pertinence and effectiveness of risk management are improved, manual information check and collection are performed on behavior tracks with scores higher than a predetermined threshold, and the risk management efficiency is improved. And the result is fed back to the system in time, and subsequent analysis and early warning are adjusted and optimized, so that the intelligent level and accuracy of the early warning system are improved, the overall safety and reliability of the monitoring system are improved, and potential safety risks are effectively prevented and processed.

A connecting rod turntable and a decoupling control method thereof belong to the technical field of associative motion control mechanisms. The technical solution steps are as follows: measure the length L of the hypotenuse of the triangular structure; convert the A-axis coordinate input by the system into the coordinate of the Z0 axis according to Z0=L*cosα and input it to the Z0 axis; if it is a speed control method, according to ΔZ0=L*(cosα 1 ‑cosα 2 ) is converted into the periodic displacement of Z0 and input into the Z0 axis. The beneficial effect is that the horizontal displacement generated by the movement of the Z0 axis is directly integrated into the closed loop of the X axis by measuring superposition. The displacement directly calculated by the grating ruler has high accuracy and no delay, and a more effective control level can be achieved on this mechanical structure. In addition, after the optimized control algorithm, during the rotation of the A axis, the X axis has the motion characteristics of RTCP, which reduces the requirements for the dynamic performance of the X axis motor.

The utility model relates to a kind of off-road stacking vehicle's wheel mounting mechanism.It solves the technical problems that the existing conventional fixing mode is prone to cause wheel shaft to rotate or axial movement, etc.It includes wheel frame, the one end of wheel frame has first wheel mounting plate and second wheel mounting plate, first wheel mounting plate and second wheel mounting plate are rotatably provided with wheel body between, wheel body center is rotatably provided with wheel shaft body extending to the outside of wheel body through bearing body, one end of wheel shaft body is arranged in first mounting hole on first wheel mounting plate and is rotatably connected with first mounting hole by anti-rotation rotating mounting structure, the other end of wheel shaft body is arranged in second mounting hole on second wheel mounting plate and is rotatably connected with second mounting hole by rotating locking mounting structure.The advantage is that: by the cooperation of the mounting hole and the shaft sleeve limiting portion on both sides, a firm clamping structure is formed, effectively preventing the axial movement of the wheel shaft assembly, ensuring that the wheel remains stable under impact and vibration.

The invention relates to a data display method and device, electronic equipment and a computer storage medium, and belongs to the technical field of data security. The data display method comprises the steps that when to-be-displayed data is received, hierarchical encryption data of the to-be-displayed data is acquired; determining a first security level of the to-be-displayed data based on the hierarchical encrypted data, and obtaining a second security level of a data display node for displaying the to-be-displayed data; and determining target display data, which can be displayed at the data display node, in the to-be-displayed data based on the first security level and the second security level, and displaying the target display data at the data display node. According to the method, independent display logic does not need to be set for all data, data display logic does not need to be synchronized in the whole system, time delay does not exist in data display, it is guaranteed that the data display nodes can only display the target display data, data confidentiality is good, and data leakage is prevented.

The present application relates to finite time reduced dimension observer design method and chaotic communication system, belong to information security and chaotic communication field. In view of the defects of traditional asymptotic observer slow, time is uncontrollable, sliding mode method exists chattering and message signal pollution output is difficult to construct observer, the present application establishes the chaotic drive system containing message signal embedding, constructs the equivalent system without unknown signal, designs finite time reduced dimension observer based on observer matching condition and strong observable condition. Compared with the traditional asymptotic convergence observer method, the present application can realize the complete synchronization of chaotic system within the user preset time, adopts continuous control law without chattering, and the message signal can be accurately recovered through algebraic formula. The synchronization time of the present application is controllable, the convergence speed is fast, the recovery precision is high, and the robustness is strong, which is suitable for various chaotic secure communication scenes, effectively improves the communication real-time, security and engineering practicability.

The utility model relates to the field of gas electricity fast insertion, specifically discloses a kind of coupler device applied to gas electricity fast insertion wireless communication and power supply, including coupling module one and coupling module two, coupling module one and coupling module two can be mutually assembled, and wireless communication and wireless power supply are carried out between coupling module one and coupling module two assembled together;Avoid the circuit failure problem caused by the problems such as pin corrosion, pollution, distortion when pin connection;Realized quick connection, mute, beautiful, stable and reliable connection mode, with 60GHz V band transceiver. Gigabit ethernet short-range non-contact connection. Full duplex, horizontal transmission, control automatic negotiation. Used in pairs, no contact therefore no wear and tear and maintenance.

The present invention provides a communication method and system for delay-free ultra-high-definition image transmission IP core software, which relates to the field of image communication technology, including: analyzing image content, identifying static scenes and dynamic scenes; evaluating scene complexity, performing adaptive analysis of coding parameters, and obtaining coding strategies; connecting a display device of the IP core software and identifying display parameters; performing pattern matching adjustment and determining an adjustment coding strategy; optimizing the allocation of transmission network bandwidth with the goal of zero transmission delay according to the adjustment coding strategy, establishing a transmission channel, and including a transmission mandatory timestamp, which is used to control the data transmission time sequence and transmission time node. The present invention solves the technical problem that the prior art lacks effective bandwidth management and parameter optimization strategies for dynamic image content, and it is difficult to meet the requirements of delay-free transmission in different scenarios, resulting in poor real-time performance and efficiency of ultra-high-definition image transmission.

The invention relates to a system and a method for monitoring the performance of a domestic server. The server performance management system comprises a server information management module, a server performance monitoring task management module, a server performance report management module and a database. The server information management module comprises a server information storage module and a server information change module; the server performance monitoring task management module is specifically a collection task creating module; the server performance report management module comprises a central processing unit performance report module, a memory performance report module and a disk performance report module; the server information storage module is used for storing a server IP address, a server SSH port, a server login user name and a server login password; and the server information change module is used for modifying or deleting the existing server IP address, the server SSH port, the server login user name and the server login password.

The application relates to the technical field of lighting power supply, and particularly discloses a non-isolated AC / DC dual-purpose seamless switching LED constant-voltage driving power supply circuit which comprises a commercial power input rectification filtering module, a non-isolated voltage reduction main constant-voltage module, a battery charging and discharging management module, an electronic seamless switching module and a lithium battery multiple protection module; the non-isolated voltage reduction main constant-voltage module is electrically connected with the commercial power input rectification filtering module, the battery charging and discharging management module and the electronic seamless switching module respectively; and the lithium battery multiple protection module and the electronic seamless switching module are electrically connected with the battery charging and discharging management module. The circuit design of the commercial power supply path and the lithium battery emergency discharge path shares a main power loop and a voltage sampling network, non-isolated voltage reduction main constant-voltage modules are matched with electronic seamless switching modules to realize non-contact seamless switching, the lamps do not flicker and do not extinguish in the whole process, the circuit anti-surge and anti-power grid fluctuation ability are improved, and the overall operation stability is improved.

The invention relates to the technical field of intelligent power distribution networks, in particular to a short circuit overvoltage suppression protection device and method. The circuit comprises a main controller, a sampling unit, a bridge rectifier circuit, a current limiting circuit and a filter capacitor. The DC side of the bridge rectifier circuit is connected with the current limiting circuit. The filter capacitor is connected in parallel with two ends of the bridge rectifier circuit. The alternating current side of the bridge rectifier circuit is connected with the secondary side of the series transformer T; wherein the rectifying circuit is used for rectifying input alternating current into direct current and outputting the direct current; the current limiting circuit is used for releasing energy of large current through a resistor R to realize a current limiting effect when the circuit is short-circuited; the filter capacitor is used for filtering alternating current waves in the direct current to obtain stable direct current; the sampling unit is used for collecting the voltage of the secondary side of the series transformer T or the current of a power grid main loop and outputting to the main controller; and the main controller controls the current limiting circuit to work according to the collected voltage or current value. When a short-circuit fault occurs in the circuit, the IGBT is controlled to be conducted immediately, the release circuit intervenes immediately, and no time delay exists; the IGBT can be turned off in real time, the release circuit is controlled to quit work at any time, and the dynamic response speed is high.

This invention relates to the field of medical device technology and discloses a visual respiratory secretion negative pressure suction device, comprising: a collection bottle made of transparent material with a visible cavity, the top of which is provided with an air inlet and an air outlet for establishing a negative pressure passage and observing the secretion collection status in real time; and a switchable connector detachably connected to the air inlet, constituting an integrated dynamic tube diameter control unit, including a central seat and a rotary switching plate arranged coaxially. The central seat is provided with multiple sets of first through-holes along the axial direction, and the flow cross-section of each set of first through-holes decreases in a stepped manner. This device significantly improves the precise matching capability of secretion drainage. By using the selection of the suction tube diameter as a pre-forced step and forming a physical cascade match with the multiple sets of first through-holes in the switchable connector that decrease in a stepped manner, secretions of different viscosities can be drawn out under optimal flow resistance conditions.