12results about How to "Shorten the time difference" patented technology

The invention discloses a time-of-flight mass analysis device, which comprises an ionization acceleration region for generating ions, screening the ions according to the initial energy and initial position of the ions and accelerating the ions to move towards a field-free region; the field-free region is used for providing free motion space with enough distance for ions; the reflection area is located at the tail end of the field-free area and used for reflecting ions to the signal detection area; and the signal detection area is used for detecting ion types. The ionization acceleration area of the device adopts a voltage driving mode of repulsion pulses and introduction of the pulses to reduce the initial space dispersion and initial energy dispersion of ions, meanwhile, the ionization probability of molecules is increased, and the resolution and sensitivity of time-of-flight mass analysis can be improved.

This application discloses a signal transmission method and related equipment for signal enhancement when there are significant distance differences between a terminal device and different network devices. The method includes: determining a timing deviation between the enhancing network device and the main network device; the timing deviation is used by the main network device to send the target signal to the terminal device at intervals before or after the enhancing network device sends the target signal, thereby enhancing the target signal.

The utility model discloses an efficient transmission device of a roller kiln and the roller kiln, and relates to the technical field of roller kilns, the transmission device comprises a base frame, a conveyor belt and a backstop assembly; the conveying belt comprises an auxiliary section and a speed changing section. The auxiliary section comprises a plurality of transmission shafts arranged in the conveying direction of the conveying belt, a clutch and a first driver. Under the condition that the products in the same row are at least partially located at the speed change section, the transmission speed of the speed change section is higher than that of the auxiliary section, so that the products on the speed change section are driven to move to the tail end of the speed change section in an accelerated manner; due to the fact that part of products are located on the speed changing section and the auxiliary section at the same time, the rotating speed of the corresponding first transmission roller is larger than that of the transmission shaft, the clutch controls the first driver and the first transmission roller to be disconnected, the first driver and the first transmission roller are disconnected, and the rotating speed of the first transmission roller can be increased along with the products; friction between the first transmission roller and the product is reduced, so that the product arrives at the baffle quickly.

The application discloses a magnetron sputtering coating machine for large-area uniform coating, which comprises a machine shell, the upper surface of the machine shell is fixedly provided with guide rods, the outer surfaces of the two groups of guide rods are slidingly provided with sealing covers, the lower surfaces of the sealing covers are fixedly connected with corrugated washers, so that the sealing covers can block the upper ends of the sealing cavities through the corrugated washers by sliding along the guide rods, the sealing cavities are formed in the machine shell by being fixedly provided with two groups of sealing plates, the magnetron sputtering mechanisms are rotatably arranged in the sealing covers, so that the sealing covers can drive the magnetron sputtering mechanisms to be in communication with the sealing cavities while being perpendicular to the supporting mechanisms. Through the design of the magnetron sputtering mechanisms and the supporting mechanisms, the sealing cavities can be opened and closed and the supporting mechanisms can be lifted and lowered in the linear module linkage, and the multi-dimensional movement of the magnetron sputtering mechanisms and the cooperation of the vacuum and gas systems are combined, so that the efficient and uniform coating of large-area substrates is finally realized.

The invention relates to the technical field of medical apparatus and instruments, and particularly discloses a single-stage venous cannula capable of adjusting infusion amount and a flow rate control method of the single-stage venous cannula. The adjusting mechanism comprises an adjusting seat, a screw rod and a driving assembly, the outer side of the insertion pipe is sleeved with the adjusting seat, the screw rod is in threaded connection with the interior of the adjusting seat, the end of the screw rod is used for abutting against the insertion pipe, and the driving assembly is used for driving the screw rod to rotate; the driving assembly comprises a connecting column, an inserting rod and a first elastic piece, the connecting column is connected to the screw rod, the inserting rod is movably inserted into the adjusting seat, an inserting piece is arranged on the inserting rod, and an inserting hole for the inserting piece to be inserted in is formed in the connecting column. After the adjustment process is completed, the connection between the insertion rod and the screw rod can be disconnected, so that the situation that the set flow speed is accidentally changed due to the fact that a patient touches by mistake, clothes rub or the transfer process can be effectively prevented, and infusion safety is guaranteed.

The intelligent temperature control traditional Chinese medicine decoction piece drying box comprises a machine body and a vacuum box, the vacuum box is arranged in the machine body, and a box cover of the vacuum box is movably connected to the upper portion of the machine body. The utility model has the advantages that the traditional Chinese medicine decoction pieces in the cage body can circularly turn over dynamically, so that the contact area between the surfaces of the traditional Chinese medicine decoction pieces and air can be increased, the speed of vacuum drying and electric heating drying is increased, and the contact efficiency with a drying medium (such as hot air or a vacuum environment) is improved. And due to circulating overturning of the cage body, it is guaranteed that the traditional Chinese medicine decoction pieces are evenly heated and evenly evaporated in the drying process. Therefore, the problem of local overheating or uneven drying can be avoided, and the drying quality is improved. Due to the fact that the traditional Chinese medicine decoction pieces can be evenly overturned in the cage body, the time difference of the decoction pieces at different positions in the drying process is reduced, and the overall drying effect is more consistent.

The cargo platform synchronous anti-falling mechanism and method thereof described in the application belong to the field of intelligent logistics and storage. The brake wire linkage mechanism is proposed to enable the wedge-shaped block steel wire lifting point to release the brake wire linkage through the spring when the rope is broken, so as to achieve the purpose of active and synchronous clamping rail braking of the safety tongs on both sides of the cargo platform. The cargo platform synchronous anti-falling mechanism comprises a steel wire rope connected in a closed loop between the upper pulley and the speed limiter on the top and bottom of the stand column, and a group of speed limiter levers fixedly connected on the steel wire rope and vertically running with the steel wire rope, the side end of the speed limiter lever being fixedly connected to the cargo platform and synchronously lifting with the cargo platform; two groups of wedge-shaped block steel wire lifting points and safety tongs are symmetrically arranged on both sides of the cargo platform; a group of brake wire communication assemblies are arranged at the center of the cargo platform and connected with a group of speed limiter levers, two groups of wedge-shaped block steel wire lifting points and two groups of safety tongs through brake wires.

This application discloses a method and system for synchronous measurement of three-dimensional displacement field of transparent soil based on binocular vision. This application improves upon current displacement field measurements that require full-field matching. First, a local comparison window is defined for the current speckle grid. The similarity of the speckle grid in the local comparison window at time t+1 is compared with the current speckle grid to determine its position. Then, the displacement vector of the speckle grid can be determined by directly assigning the vectors of other speckle grids with similar speckle density within the local comparison window to this displacement vector. Thus, the displacement vectors of multiple speckle grids can be obtained after calculating the displacement vector of only one speckle grid, effectively reducing the amount of data processing.

The invention provides a grid-connected and off-grid control method and power equipment. The grid-connected and off-grid control method is applied to main power equipment. The main power device is in communication connection with at least one slave power device through a signal line and a protocol communication line, and each slave power device and the alternating current end of the main power device are connected with a power grid through a corresponding grid-connected switch. The method comprises the steps that when grid-connected operation is carried out and it is confirmed that a power grid is abnormal, a power grid abnormity notice is sent to slave power equipment through a protocol communication line, the power grid abnormity notice is used for configuring the slave power equipment to output a breaking signal through a signal line, and the breaking signal is used for indicating all power equipment to disconnect a grid-connected switch; when the breaking signal is detected, the grid-connected switch is controlled to be switched off; controlling the alternating current end to output off-grid alternating current voltage; and generating a synchronizing signal according to the output phase angle of the off-grid AC voltage, and outputting the synchronizing signal through a signal line, wherein the synchronizing signal is used for indicating each slave power device to perform off-grid phase synchronization. The control method provided by the invention can reduce the damage probability of the grid-connected switch.

The utility model relates to the technical field of fire safety, in particular to an in-cabinet fire extinguishing assembly with a quick release function, which comprises a cabinet body, a control panel is mounted above the cabinet body through screws, a fire extinguisher bottle body is arranged on one side of the cabinet body, a smoke alarm is mounted in the cabinet body through screws, and a fire extinguisher is mounted in the smoke alarm through screws. A combustible gas detector is arranged on one side of the smoke alarm; a first sliding rail is installed in front of the cabinet body through screws, a sliding rod is installed in the first sliding rail through screws, a movable plate is attached to the outer wall of the sliding rod, a filter screen is installed in a hole groove in the cabinet body through screws, and a nut in the movable plate is in threaded connection with a threaded lead screw and an improved fire extinguishing assembly. A buckle type fixing assembly is arranged below the fire extinguisher and is convenient to disassemble and fix, meanwhile, an adjusting height is arranged above the fire extinguisher to check initial fire behavior and move up and down to extinguish fire, and when the melting point of a nozzle reaches, automatic spraying can be conducted to extinguish fire.

The embodiment of the invention provides a PCB inner electroplated layer impedance processing method, electronic equipment and a product. The method comprises the following steps: on the basis of determining a target impedance range of an inner electroplated layer according to design parameters of the inner electroplated layer of a printed circuit board (PCB) and impedance design parameters of a finished product of the PCB, carrying out impedance test on the inner electroplated layer to obtain an impedance test value; according to the target impedance range and the impedance test value, generating an impedance test result of the inner electroplated layer; the impedance test result is used for indicating whether to adjust the line width of the inner electroplated layer or the thickness of the dielectric layer; the staged impedance control of the PCB is realized, and the problem that the impedance test of the inner electroplated layer usually needs to wait to the finished product stage after the outer pattern is transferred to cause test lag in the impedance test of the inner electroplated layer is avoided, namely, the time difference between PCB test and adjustment is shortened, and the test efficiency is improved. And the problem that the whole board is scrapped due to test lag is avoided.

The application provides a transformer oil dissolved gas early warning system based on the Hough process, comprising: a historical data fitting module, which is used for dividing the historical concentration curve of a specific dissolved gas according to fluctuation periods, selecting the rising curve from the valley value to the peak value in each period, fitting the rising curves of all periods to obtain a unified fitting function; a Hough process modeling module, which is used for Hough process modeling according to the fitting functions of the rising curves of all fluctuation periods to obtain a conditional intensity function used for calculating the expected number of times of transformer failures corresponding to the dissolved gas; and a dissolved gas early warning module, which is used for calculating the expected number of times of transformer failures corresponding to the dissolved gas in a future time period according to the conditional intensity function of the expected number of times, and issuing an early warning in combination with an expected number of times threshold. The application shortens the time difference from failure to early warning, and overcomes the hysteresis problem caused by slow gas diffusion.