38results about How to "Improve transfer function" patented technology

The invention discloses a monitoring implementation method and apparatus. The method can be applied to a monitoring system including a video server, a video customer, an encoder, an analog matrix and a camera. The encoder and the analog matrix is connected through a serial wire and a video wire, and the encoder transmits the analogue matrix through the video stream sent by the video wire. The method includes steps that: the encoder receives control instructions from the video server or the video client; the encoder converts the control instructions into serial instructions which can be recognized by the analog matrix; the encoder sends the serial instructions to the analog matrix through the serial wire for controlling the analog matrix and the camera connected to the analog matrix. By applying the invention, control to the analog matrix in the digital monitoring system is simplified.

Powerline networks are inherently noisy and subject to power surges, spikes, and other events. Devices exist to combat these issues and protect electrical appliances that are connected downstream from the power sources for theses devices, but these devices usually also severely limit data communication that may also be desired on this network. This invention provides an intelligent, self-aware powerline conditioning and communication node that allows for, or even improves, data communication on the network, and still provides for noise reduction, line filtering, and surge protection for downstream electrical appliances.

The invention belonging to the technical field of smart city and smart energy discloses a block-chain-based intelligent device and system of energy network connection. The device is composed of a real-time data acquisition module, an intelligent processing module, and a block chain control module. The real-time data acquisition module is used for collecting monitoring data in an energy metering device in real time, sending the collected data to the intelligent processing module, and uploading a received processing result to a remote server. The intelligent processing module is used for processing the received monitoring data according to a preset processing mode or sending a data acquisition request to the block chain control module, processing the received monitoring data based on the obtained data in a preset processing mode, returning a processing result to the real-time data acquisition module, and sending sensitive data to the block chain control module. The block chain control module is used for acquiring corresponding data in the block chain based on the received data acquisition request, returning the data to the intelligent processing module, and writing the received sensitive data into the block chain. The device has advantages of high safety, reliability and advancement.

The invention discloses a solid state powder guide mechanism based on a multi-mixing chamber. The solid state powder guide mechanism sequentially comprises a powder mixing device and a powder transferdevice according to a process flow from the front to rear, wherein the powder mixing device comprises a mixing tank and a mixing upper cover covering the mixing tank, wherein a first mixing and screening plate, a first mixing chamber, a second mixing and screening plate and a grinding/mixing integrated chamber are sequentially formed in a cavity of the mixing tank from top to bottom; the powder transfer device sequentially comprises a transfer conveyor belt, a turning type unloading device, a transfer baffle, a conveyer bucket, an elastic transfer device and a transfer lifting base from the front to rear; the solid state powder guide mechanism further comprises a transfer guide table. The solid state powder guide mechanism disclosed by the invention has the advantages of being excellent in mixing effect, difficult to agglomerate and block, high in operating continuity, accurate in single feed capacity and high in working efficiency.

The present invention relates to a coupling agent containing diphenylsulfone amino-silane and the related preparation method, which is technically characterized in that 4,4-diphenylsulfone and gamma-chloropropthyl type silane are taken as raw materials and dimethyl formamide is used as the solvent. Preparation steps are as follows: the solvent dimethyl formamide and the raw materials 4,4-diphenylsulfone are sequentially added to three flasks to be stirred until dissolved, then nitrogen gas is input to the flasks; when the flasks are slowly heated to 100 or 150 DEG C, a certain amount of gamma-chloropropthyl type silane are dropped into the flasks, after that, the liquid in the flasks is reflowed to 5 - 15 h at the right temperature; then, the coupling agent can be produced after decompression distillation and the removal of the solvent. The introduction of diphenylsulfone reduces the polarity of active amido, so that the coupling agent is provided with a low dielectric loss angle tangent value. When the coupling agent is used for glass fiber-reinforced epoxy resin or cyanate ester resin and other thermosetting resin composite materials, the dielectric performance of such composite materials can be increased, therefore, the coupling agent is widely applied to wave-transparent composite material field, such as antennas and radomes.

The invention discloses a double-controller communication system and a method based on hard disk controller, which are applied in the computer system with double controllers and utilizes the respective hard disk controllers of two controllers to realize the internal communication between the two controllers. The technology content lies in that the main controller core of a first controller can send the request in the form of Ethernet packet before the emulation of Ethernet communication in the two controllers, and the hard disk controller which is as the originating terminal can receive requests and send requests to the hard disk controller which is the corresponding terminal of the second controller through the internal transform of requests form. Through the reducing treatment of opposite program, the second controller can reacquire the requests in the form of Ethernet from controller core so as to implement correspondent program, thus finishing the internal communication between the double controllers.

The invention relates to a steel rail surface flaw detection system and method based on machine vision and pulse eddy currents. The system comprises a vision flaw detection subsystem, a pulse eddy current flaw detection subsystem, a data transmission subsystem and a data processing subsystem. The system and method are adopted, the detection system based on the machine vision and the pulse eddy currents is constructed through an embedded technology, by scanning and detecting a steel rail, the detection results of the machine vision and the pulse eddy currents are integrated, the size of a flawis judged in combination with characteristics of the flaw area, the length-width ratio and the like, and whether a defect exists or not on the surface of the steel rail is judged; an internet-of-things technology is introduced for wireless signal transmission, the functions of real-time detection, on-line locating, remote control and the like can be achieved, a 4G-LTE transmission function is added, Mobile, Unicom and Telecom 4G high-speed access is achieved, multi-system communication access is supported at the same time, the system and method have high stability, and flaw detection is conducted on the steel rail in real time at a super long distance; a pulse eddy current technology, a machine vision technology and the internet-of-things technology are utilized by the system and method, and the system and method have high application value.

Exemplary embodiments of a handheld probe (HHP) of an Acoustic pulse reflectometry (APR) system are disclosed. Embodiments of the HHP can comprise a loudspeaker and microphone that are vibration isolated from each other and from the tube under test. In some embodiments the microphone can be isolated from the housing of the HHP. In other embodiments the housing of the HHP can be isolated from the loudspeaker. In another embodiment the housing of the probe can be isolated from the tube under test. Yet, some embodiments combine all of this isolation options. In such embodiment the loudspeaker is isolated from the housing, the housing is isolated from the tube under test, and the microphone is isolated from the housing, and so on. Isolation can be achieved by using materials that absorb vibration, material such as but not limited to rubber, foam, silicone, etc.

The invention provides a novel communication method and a novel communication terminal. The communication method and the communication terminal solve the problem of mutual interference of signals of a long-distance service data transmission device and a short-distance card swiping transaction device due to the fact that the long-distance service data transmission device and the short-distance card swiping transaction device are excessively near to each other. A control module in the communication terminal is used for coordinating work of a telecommunication module and a near field communication module in a time-sharing multiplex mode, mutual influence of transmission of low-power short-distance card swiping transaction service data and high-power telecommunication service data is avoided, thus, a short-distance card swiping transaction data communication function and a long-distance service data transmission function can be arranged in the same entity product in a coexistence mode, various service requirements are satisfied, and requirements for environment resources for loading related service requirements are reduced.

The invention provides a life auxiliary type intelligent driving recording system which comprises an automobile data recorder and a smartphone. An information collection module collects automobile driving information. The automobile driving information comprises video information. An information transmission module transmits the automobile driving information. An auxiliary automobile finding module judges whether the automobile is in the parking state or not according to the received automobile driving information transmitted by the information transmission module. When the automobile is in the parking state, video information obtained before the automobile is parked is stored on an information storage module of the smartphone. An information display module displays the video information stored in the information storage module. The life auxiliary type intelligent driving recording system has the advantages that more life convenience assistance is provided for the owner of the automobile by means of the advantages of the smartphone; videos can be played, edited and shared by means of a screen of the smartphone, operation is convenient, and using complexity is simplified.

The invention provides a method and system for judging whether a user leaves home for a long time, and the method comprises the following steps: setting a rule for calculating the leaving time lengthof the user in an intelligent door lock, setting a home scene triggering rule in a server, and enabling the server to calculate the leaving time length of the user according to the calculation rule, and the server triggers the home scene according to the user leaving time length and the home scene triggering rule. According to the method and system for judging whether the user leaves home for a long time, through cooperation of the intelligent door lock and the server, the time difference of triggering the door lock by the user is automatically learned to judge whether the user is not at homefor a long time or a short time, and different home returning scenes are automatically triggered according to long-time or short-time home leaving of the user; and the intelligent function utilizationrate of the intelligent household product and the intelligent and comfortable experience of the user are improved.

The invention provides a virtual power plant regulation and control method and device based on the 5G technology. The method comprises: configuring priorities according to the power utilization requirements and regulation and control time delay requirements of power grid users; deploying 5G network slices corresponding to the priorities for the power grid users in a communication system of the virtual power plant; obtaining load information of each power grid user in the virtual power plant through the 5G network slice; analyzing whether the current power grid is in an electricity peak periodaccording to the load information, and generating a regulation and control instruction in combination with the priority of the power grid user if the current power grid is in the electricity peak period; and issuing a regulation and control instruction through the 5G network slice, and executing load regulation and control operation on the power grid user according to the regulation and control instruction. The transmission rate of the regulation and control instruction issued by the virtual power plant is improved through the 5G communication technology, so that the load problem of a power grid user is solved in time, a high-reliability and low-time-delay virtual power plant regulation and control instruction transmission function is realized, and a guarantee is provided for safe operation of a power grid.

The invention relates to a method for signal transmission through a VGA (Video Graphics Array) interface. The method comprises the following steps of: transmitting RGB (Red-Green-Blue) video signals through a video data pin of the VGA interface; transmitting left channel audio signals through either a vacant fourth pin or a vacant eleventh pin of the VGA interface; and transmitting right channel audio signals through the other one of the vacant fourth pin and the vacant eleventh pin of the VGA interface. According to the method, the audio signal transmission function is added through redefining the VGA interface under the premise that the video signal transmission of the VGA interface is not affected, and then, one audio wire can be reduced for the connection between devices, so that the cost is lowered and the operation is simplified.

The invention relates to the technical field of pipetting arms, and discloses a multi-channel sample adding arm. The sample adding arm comprises a frame, a sample adding module guide rail and a synchronous belt; the sample adding module guide rail and the synchronous belt are installed on the inner wall of the frame in parallel, a sample adding module is installed on the sample adding module guide rail and the synchronous belt and comprises a sample adding module support, one side of the sample adding module support is fixed to a sliding block of the sample adding module guide rail, a sample adding module Z-direction driving motor and a Y-direction driving module are installed on the fixed side of the sample adding module support, a sample adding module Z-direction sliding mechanism is installed on the other side of the sample adding module support, the Y-direction driving module is connected to a synchronous belt, the sample adding module Z-direction driving motor is connected to the sample adding module Z-direction sliding mechanism through a transmission mechanism, and a sample adding pump is installed on the sample adding module Z-direction sliding mechanism; and a capacitance detection sheet and a pressure sensor are mounted on the sample adding pump. The multi-channel sample adding arm provided by the invention can realize non-equidistant sample adding of experimental samples and reagents, and has capacitive sensing and pressure sensing liquid level detection functions, so the universality is enhanced.

The invention provides a CMOS (Complementary Metal Oxide Semiconductor) image sensor implementation method. The method comprises the following steps of forming a trench on a semiconductor substrate, and forming a source following transistor of an image sensor pixel unit in the subsequent step by at least part of the trench; filling a third barrier layer to cover the trench; etching a partial region around the trench by adopting a graphical process to form a shallow trench isolation structure; filling an oxide layer to cover the shallow trench isolation structure; chemically and mechanically grinding the oxide layer until reaching the third barrier layer; removing the third barrier layer; and filling the trench with a polycrystalline silicon layer, and etching at least part of the trench toform a source following transistor.

The invention provides a magnetic core overturning and conveying system for a large transformer, which comprises a base and further comprises a swing arm, a first hinge arm, a second hinge arm, a third hinge arm and a pushing cylinder, wherein the top of one end of the base is provided with a swing arm hinged support, the top of the other end of the base is provided with a cylinder hinged support,the bottom of the swing arm is movably hinged to the swing arm hinged support, a lower clamping plate is installed at the top of the swing arm, a hinge arm hinged support is installed on the upper part of the swing arm located on one side of the air cylinder hinged support, the middle of the first hinge arm is movably hinged to the hinge arm hinged support, a clamping arm is installed at the topof the first hinge arm, an upper clamping plate is installed at the bottom of the clamping arm, and a clamping area is reserved between the installed upper clamping plate and lower clamping plate. After the scheme is adopted, the structure is reasonable, and the transfer effect is good.

The invention discloses an intelligent control PCB conveying device which comprises conveyors and a transfer device, wherein the conveyors are spliced together via the transfer device to form a conveying passage for conveying a PCB board, the transfer device can move in a detachable manner relative to the conveyor and operate independently, the conveyor is provided with a plurality of first transmission shafts parallel to each other, the transfer device is provided with a bracket for receiving the PCB board from the first transmission shafts to the transfer device, the transfer device is alsoprovided with a second transfer shaft, the second transfer shaft and the bracket are arranged at a distance from each other in a staggered way, an input end of the second transfer shaft is connected to a material loading rack, and an output end is connected to another conveyor. The intelligent control PCB conveying device can help enhance flexibility of a conveying route direction of the PCB boardand extend conveying functions of the conveyer.