13results about How to "Reduce processing links" patented technology

The invention discloses a power grid WAMS (wide area measurement system) large-scale time sequence data collection and sharing method and system, and aims to reduce data processing links and improve WAMS data transmission performance by adopting a cross-safety-zone streaming data processing technology and a multi-channel concurrent streaming analysis processing technology. Point-to-point batch data compression transmission, regulation and control cloud-oriented model measurement mapping management, a data forwarding mechanism based on message caching, a guarantee mechanism based on main and standby strategy transmission and regulation and control cloud-oriented WAMS information management cloud collection and sharing are adopted to complete sharing of WAMS data application analysis results among multiple levels of master stations. Dynamic capacity expansion during operation of the number of measuring points of the whole system is achieved through a measuring point model unified management technology, and the power grid WAMS large-scale time sequence data collection and sharing method is achieved.

The utility model provides a modular frame and warehousing system, it includes a bottom frame, a top frame and at least one vertical frame, the bottom frame includes a bottom frame, a base and a first connecting seat, the base and the first connecting seat are arranged at four corners of the bottom frame, the base is used for fixing the bottom frame on the ground; the first connecting base is used for being fixedly connected with a vertical frame. The top frame comprises a top frame and a second connecting seat, and the second connecting seat is used for being fixedly connected with the vertical frame; the vertical frame comprises four stand columns, and the stand columns are fixedly connected through transverse rods; the upper ends of the four stand columns of the vertical frame located on the uppermost layer are fixedly connected with the second connecting base. The lower ends of the four stand columns of the vertical frame located on the lowermost layer are fixedly connected with the first connecting base. The modular frame is formed by splicing the bottom frame, the top frame and the multiple vertical frames in a modularized mode, field assembly is more convenient, field implementation is facilitated, and field machining links are reduced.

The application discloses a Brillouin sensing device based on optical parallel differential pulse pairs and a working method, and belongs to the technical field of optical fiber sensing. In view of the problem that the prior art is difficult to consider high resolution, high precision and fast measurement, the device used by the application comprises: an optical source module, which is used to generate an optical carrier; a first optical path module, which is connected with the optical source module and is used to receive the optical carrier and generate optical parallel differential pulse pairs containing anti-Stokes and Stokes components and having different pulse lengths as pump light through double-frequency double-sideband pulse modulation; a second optical path module, which is connected with the optical source module and is used to generate double-sideband probe light; and a sensing optical fiber, which is connected with the first and second optical path modules respectively and is used to receive the pump light and the probe light and directly complete signal differentiation in the optical domain through stimulated Brillouin scattering. Thus, high resolution, high precision and fast measurement are synergistically optimized, the gain / loss mechanism can be flexibly switched, and the scene adaptability is enhanced.

The invention discloses an endoscope image display optimization method, system and device and a storage medium. The method comprises the following steps: splitting an original endoscope image acquired in real time into a first image signal and a second image signal which are synchronously transmitted in real time; receiving the first image signal in real time by using the FPGA controller, and processing the first image signal in real time to obtain a first processed image; synchronously utilizing the ARM processor to receive a second image signal in real time, and performing real-time processing on the second image signal to obtain a second processed image; and receiving the second processed image in real time by using the FPGA controller, fusing the first processed image and the second processed image in real time, generating a fused image, and displaying the fused image. According to the invention, the accuracy and reliability of image fusion are ensured, the delay time of image display is effectively controlled, the image display effect is optimized, and a clearer, more accurate and more real-time operation view can be provided for doctors.

The invention discloses an Ethernet data link layer unvarnished transmission method and device based on a secure digital input / output interface, and a medium. The method comprises the following steps: establishing communication connection between the master control micro-control unit and the Ethernet module through the secure digital input / output interface; the master control micro-control unit generates an Ethernet frame conforming to an Ethernet data link layer protocol specification, and sends the Ethernet frame to the Ethernet module through the secure digital input / output interface; the Ethernet module receives an external Ethernet frame through a physical layer chip, and transmits the Ethernet frame to the master control micro-control unit through the secure digital input / output interface; and interaction of the Ethernet data link layer frame is directly carried out between the master control micro-control unit and the Ethernet module. Through transparent transmission of the data link layer, the embedded device can be directly connected with other devices in the local area network, and the requirements of production testing and local area network debugging are met.

The invention relates to a method for producing board layers of freeze dryers by utilizing aluminum alloy sections. The method is characterized by comprising the following steps of (1) rolling the aluminum alloy sections; (2) cutting the aluminum alloy sections; (3) machining cutting faces; (4) sealing cutting faces at two ends; (5) machining liquid inlet tubes and liquid outlet tubes on sealing faces (or two sides of the sections). The method has the remarkable advantages that an aluminum alloy material is high in plasticity and can be machined into sections in any shape, the rigidity of the aluminum alloy material is higher than that of stainless steel, the thermal conductivity of the aluminum alloy is excellent and is twice the thermal conductivity of stainless steel, and cold and heat carried by silicone oil in the board layers can be released maximally through the excellent thermal conductivity of the aluminum alloy, so the temperature uniformity of the board layers is greatly improved.

The invention discloses an efficient desulfurization method for preparing methanol from coke oven gas, and belongs to the technical field of coke oven gas resource recovery. The invention is used for solving the technical problem that the selectivity and efficiency of sulfide removal and the purity of methanol need to be further improved in the process of preparing methanol from coke oven gas in the prior art, and relates to an efficient desulfurization method for preparing methanol from coke oven gas, which comprises the following steps: desulfurizing the coke oven gas by using modified Cu-BTC; performing component separation on the desulfurized coke oven gas; the method comprises the following steps: absorbing methane and other small molecular hydrocarbons by using Cu-ZSM-5, and reforming steam to obtain hydrogen and carbon monoxide; methanol is prepared using gas separated from coke oven gas and gas obtained by steam reforming. According to the experiment, Cu-BTC and ZSM-5 are modified, so that the selectivity and efficiency of recovery of small molecular hydrocarbons such as hydrogen sulfide and methane are improved, and the step of steam reforming of small molecular hydrocarbons such as methane is adjusted, so that the concentration of methanol is further improved.

The present invention discloses a compact microchannel LNG heat exchanger and a preparation method thereof. The heat exchanger includes a heat exchanger body, and a plurality of cold fluid channels and hot fluid channels are arranged alternately and at intervals in the vertical direction. The two ends of the cold fluid channel are respectively connected to the cold fluid inlet and the cold fluid outlet, and the two ends of the hot fluid channel are respectively connected to the hot fluid inlet and the hot fluid outlet. The cold fluid channel includes a first diverter channel, a cold side heat exchange channel and a first confluence channel. The hot fluid channel includes a second diverter channel, a heat measurement heat exchange channel and a second confluence channel. The present invention adopts a countercurrent arrangement, and a large temperature difference stress is not generated at both ends of the heat exchanger. Diverter and confluence channel sections are respectively arranged after the fluid inlet and before the fluid outlet. The fluid flows through the diverter channel, and the diverter channel makes the flow distribution more uniform, so that the medium temperature is evenly distributed. The preparation method adopts additive manufacturing technology for one-piece molding, and the material utilization rate is high, which ensures the stability and efficiency of the heat exchanger operation.

The invention relates to an antibacterial enhanced PET (Polyethylene Terephthalate) composite material and a preparation method thereof, belongs to the technical field of polymer composite materials, and aims to solve the problems that a PET / PP (Polypropylene) blending system is poor in compatibility, and antibacterial and mechanical properties are difficult to synergistically consider. The composite material is prepared from the following components in parts by weight: 50-90 parts of PET (Polyethylene Terephthalate) resin, 10-50 parts of PP (Polypropylene) resin and 0.1-5.0 parts of a multifunctional modifier, the multifunctional modifier takes nano cellulose whiskers as a rigid framework, and the surface of the nano cellulose whiskers is covalently grafted with a polymer compatible chain segment through a silane connecting arm and is grafted with a long-chain alkyl quaternary ammonium salt antibacterial group. The invention also discloses a preparation process of the multifunctional modifier and the composite material. The composite material has excellent interfacial compatibility, mechanical strength and long-acting antibacterial property.

The invention discloses a special equipment general assembly workshop sensing network networking and optimal configuration method. A special equipment general assembly workshop sensing network comprises a workshop Internet of Things layer, a data processing interaction layer and an integrated management layer. The workshop Internet of Things layer comprises environment information and a data source bearing the environment information, information in the data source is collected through an intelligent information interaction device in the data processing interaction layer, and the information can be visualized through the intelligent information interaction device after being processed and is used for guiding production work of general assembly workshop personnel or uploading the information to the integrated management layer; therefore, the environment information is communicated with each other, so that the production environment information of the general assembly workshop is controlled. And meanwhile, the sensing network nodes are clustered by adopting a K-means clustering algorithm, and the wireless sensing network clusters are periodically updated along with the moving distance of the sensor, so that the wireless sensing network has a strong life cycle, and the data transmission has reliability and stability.

An aluminum substrate power device package comprises a power transistor wafer, an aluminum drain electrode bonding pad is arranged on the bottom face of the power transistor wafer, and a source electrode bonding pad and a switch control electrode bonding pad are arranged on the top face of the power transistor wafer. The power transistor further comprises an L-shaped aluminum substrate, the thickness of one side of the L-shaped aluminum substrate is small, and the power transistor wafer is welded to the top face of the side, with the small thickness, of the L-shaped aluminum substrate through an aluminum drain electrode bonding pad. The insulating rubber material is filled around the power transistor wafer horizontally. The L-shaped aluminum substrate is simultaneously used as a drain electrode conductive pole piece of the power transistor wafer, a packaged drain electrode bonding pad, a packaged cooling fin and a packaged substrate; through the aluminum-aluminum welding process, the wafer is welded on the L-shaped aluminum substrate, so that the processing links are reduced, the cost is saved, the performance of a power device is improved, and high-power transistor packaging with high cost performance is realized.

This invention discloses a laser inspection device for the flatness of wood processing, comprising a frame, a rangefinder, a spindle, a motor, a main gear, and a clamp. The rangefinder is mounted on the top of the left side wall of the frame. The spindle is mounted on the middle of the right side wall of the frame via bearings. The motor is mounted on the middle of the left side wall of the frame, driving the spindle to rotate. The main gear is mounted on the outer wall of the spindle. The clamp is mounted on the right end of the spindle, allowing the workpiece to rotate after being centered and clamped by the clamp. This device effectively kills insect eggs, bacteria, and other harmful substances within the workpiece, preventing corrosion of the wood by pests and bacteria, extending the service life of wood products, and ensuring the adhesion of the wood surface, preventing damage to the primer adhesion due to wood corrosion. It achieves full-dimensional flatness inspection of the surface of irregularly shaped cylindrical workpieces, effectively avoiding inspection errors caused by human factors and ensuring the consistency of processing quality for cylindrical wood products.

The utility model discloses a kind of packaging boxes, belong to packaging box production technical field, including, box body and limit board, limit board is placed in box body, limit hole is set on limit board, the shape of the setting of limit hole is the contour after the bottle type of multiple drinks is superposed feature extraction, at least two limit boards are clamped upper half and lower half of main drink.The lower edge of box cover is set bayonet, rivet on box body is clamped in bayonet, the lower edge of box cover is contacted with the inner wall of box body.The packaging box provided by the utility model has good supporting effect, the limit hole can adapt to different bottle type, and the structure of the packaging box is simple, reduces the processing link of artificial or mechanical.