120results about How to "Unlimited" patented technology

The invention belongs to the technical field of lithium-ion battery, and in particular relates to a method for supplementing lithium powder to a lithium-ion battery negative plate. The method comprises the following steps: a first step, putting the cold-pressed negative plate on an unwinding and rewinding mechanism, and putting lithium powder to a feeding mechanism above the negative plate; a second step, adding electric fields and opening the feeding mechanism, so that the lithium powder is adsorbed on the surface of the negative plate under the action of the electric fields; and a third step, rolling the negative plate adsorbed with the lithium powder. Compared with the prior art, the method can control the movement of the lithium powder to overcome the flotation of metal lithium powder in air through electrostatic effect provided by the electric fields, and can simultaneously control the addition of the lithium powder and the dispersion degree of the lithium powder on the negative plate, thereby uniformly, quantitatively and precisely dispersing the lithium powder on the surface of the negative plate. Besides, the whole process provided in the invention is only needed to be carried out in a drying environment without adding the lithium powder in a process of preparing slurry, has a simple manufacture process and low cost, and is suitable for large-scale production.

The invention discloses a mobile payment system and method based on a trusted execution environment, and relates to the technical field of mobile payment. According to the mobile payment system, a hardware environment module, a client terminal application module and a trusted application module are connected in a pairwise mode. The mobile payment method includes the steps that a virtual card number of the client terminal application module is transmitted to the trusted application module to be processed, then the virtual card number is returned to the client terminal application module, and afterwards the virtual card number is transmitted to a POS front end for conducting verification and consumption. The mobile payment system and method based on the trusted execution environment are suitable for near field mobile payment equipment, and the security is high.

The invention provides a CPU interconnection device and multi-channel server CPU interconnection topology, the CPU interconnection device includes: two NC chips and four CPUs, wherein, the CPU has a QPI bus interface, and the NC chip has a QPI bus interface and NI bus Interface; according to the QPI link, the four CPUs are sequentially connected into a four-way configuration structure, and one NC chip is connected to any adjacent two CPUs, and the other NC chip is connected to the other two CPUs. In addition to the QPI link, according to the NI line corresponding to the NI bus interface, the NC chip can be used as a medium to realize the communication between any two CPUs, and the number of NC chips is not limited. Since the pairwise connection between CPUs is no longer limited to the QPI link, this solution can enable multiple CPUs of more servers to be interconnected by using a certain number of such CPU interconnection devices.

The invention designs a novel marine engine room monitoring and alarming system with a redundant CAN (control area network) bus. The system comprises an on-site analog quantity acquisition module, an on-site digital quantity acquisition module, a communication network, a network protocol converter and an alarming unit. The on-site analog quantity acquisition module uses a modular design method, and is used for acquiring analog quantity parameters of devices in operation in the marine engine room, wherein the acquisition process comprises common measurements of analog quantity signals commonly used in the industry, such as the measurement of analog voltage signals, the measurement of 4-20 mA current signals, and the like; the on-site digital quantity acquisition module also uses the modular design method, and is used for acquiring digital quantity parameters of the devices in operation in the marine engine room, wherein the acquisition process comprises common measurements of the digital quantity commonly used in the industry, such as the measurement of a digital switch value, the measurement of a digital pulse value, and the like; the communication network is designed into a redundant CAN bus network to ensure the reliable transmission of data; the network protocol converter is used for solving quantity limitation on CAN nodes, and an RS458 network can be used for expansion under the CAN nodes; and the alarming unit is used for providing alarming signals in time according to abnormality of the parameters of the devices in operation.

The invention relates to the technical field of telecommunications and discloses a multi-screen synchronization method and a playing system for the same local area network. The method includes the steps that a central server serving as a server side transmits at least one playing task to a plurality of intelligent terminals serving as client sides, wherein every intelligent terminal and the central server are in the same local area network, and the playing task comprises content to be played and content identification; the central server sends a playing instruction to every intelligent terminal in real time when the playing needs to be performed, wherein the playing instruction comprises the content identification of the content to be played; every intelligent terminal finds the content to be played according to the content identification and displays the content on a display screen of the intelligent terminal when intelligent terminal receives the play instruction. Compared with the prior art, the multi-screen synchronization method and the playing system for the same local area network achieve playing content synchronization of every intelligent terminal in the same local area network, and the number of the intelligent terminals can be unrestricted.

The invention discloses a calibration method and system applying a camera and scene association of intelligent driving. The method comprises steps of monitoring a single or multiple target objects in the camera view field in advance through a camera which is arranged on an automobile windshield and has an adjusted view angle; when each target object walks in the camera view field, carrying out imaging through the camera, and using the position and height information, detected by a detector, of each target object in an image coordinate as calibration data; and according to the calibration data, through offline calculation or online learning, updating a calibration model used for representing the position and height relations of the target objects. According to the invention, by calibrating the target objects appearing in the camera view field through the camera installed on the automobile, structure distribution properness of pictures and targets in the imaging pictures are mainly calibrated; and the calibration method is advantageous in that the calibration method is simple, rapid, accurate and free of environment limitations.

Disclosed is a chip-on-glass type liquid crystal display (LCD). The LCD is directed to provide a construction in a way that, while each wiring for supplying driver circuits with a driving voltage is directly formed on an LCD panel through application of COG (Chip-On-Glass) technology for producing TFT-LCD, even though the wirings are connected in series between the driver circuits, the driving voltage capable of normally operating the driver circuits is supplied to all driver circuits. To this end, in consideration of a voltage drop at the panel wiring, by increasing and outputting a driving voltage, the driving voltage inputted into an n driver circuit is made to be equal to the driving voltage inputted into an (n+1) driver circuit. To accomplish this object, a driving voltage generating section is provided to each driver IC, and comprises a charge pumping circuit for increasing the leading gate driving voltage to a predetermined level, and a buffer circuit for stabilizing an output voltage of the charge pumping circuit.

The invention relates to a portable wireless digital video camera and a system employing the same. The portable wireless digital video camera comprises batteries, a liquid crystal display component, a wireless network component, an image streaming capturing component and a processing component. The batteries can supply power for the portable wireless digital video camera. The processing component is electrically connected with the wireless network component, the liquid crystal display component and the image streaming capturing component. The current image streaming is captured by the image streaming capturing component. The processing component comprises a liquid crystal display driving module and an image streaming transmitting module. The liquid crystal display driving module drives the liquid crystal display component. The current image streaming is transmitted by the image streaming transmitting module through the wireless network component. By adopting the portable wireless digital video camera provided by the invention, the image streaming can be transmitted through a Wi-Fi (Wireless Fidelity) wireless network, and power is supplied by the batteries, therefore the portable wireless digital video camera is convenient to move and is not limited by a power cord or a network line.

The invention discloses a resistance strain gauge pasting device and an operation method thereof. The device comprises a housing, a replaceable positioning pedestal, a strain gauge adsorption device and an operation device. The replaceable positioning pedestal is inserted into a lower end opening of the housing, and is connected with the housing through a countersink blot. The operation device comprises a connection rod and a slide button which are fixedly connected. The slide button is arranged outside the housing. A spacing pin is arranged between the slide button and the housing. The strain gauge adsorption device comprises a cylinder, a piston and a strain gauge pedestal which are arranged in the housing. The resistance strain gauge pasting device is convenient to operate and is suitable for various types of resistance strain gauges.

Shrinkage reducing agent for concrete has weight percent of 0-50% of polyvinyl alcohol, 0-60% of fatty group glycol ether, 0-50% of hydroxide alkylamine. Polyvinyl alcohol compound structural formula is -(CH2CHOH)n-,n=1700-2200, fatty group glycol ether structural formula is RO(CH2CH2O)nH, R=C1-20, n=1-10; oxidized alkyamine structural formula is R1-NH-R2OH, R1 and R2 are the alkyls of C1-20. The shrinkage reducing agent can reduce the shrinkage of cement, sand pulp and cement paste; and has the same function to dry shrinkage and self-shrinkage, can be used to Portland cement, popular cement, allblended cement and special cement. The compound is simple, and performance is stable. It can be used in many fields. It is not limited by the environment and the cost is low. It has shrinkage to different pH value, temperature and humidity.

The invention provides a novel offshore unmanned continuous monitoring system. The novel offshore unmanned continuous monitoring system comprises an offshore renewable energy power generation device,a three-body unmanned ship, an underwater robot, a communication satellite and a shore-based radar, the bottom of the offshore renewable energy power generation device is connected with a base, an energy storage battery is arranged in the base, and a first transmitting coil is arranged on the inner wall of the base and connected with the energy storage battery. Receiving coils and batteries are arranged in the three-body unmanned ship and the underwater robot, and the receiving coils are connected with the first transmitting coil and the batteries respectively. The three-body unmanned ship andthe underwater robot are each provided with a path planning and target recognition module and a communication sonar, the three-body unmanned ship and the underwater robot are connected and connectedwith a communication satellite, and the communication satellite is connected with the shore-based radar. Renewable energy and a magnetic resonance wireless charging technology are adopted to provide continuous power, and endurance is improved; and the water surface three-body unmanned ship and the underwater robot are combined for measurement and scanning, so that the detection capability is improved, and three-dimensional monitoring is realized.

The invention discloses a method for manufacturing an aluminum alloy through powder liquid phase die forging and belongs to the technical field of manufacturing of aluminum alloys in powder metallurgy. The method comprises the following steps: preparing aluminum alloy powder through high-pressure inert gas atomization, forming powder liquid phase, applying vibration and pressure, performing powder liquid phase die forging, and opening the mold for taking a part, and the like. The characteristics that the aluminum alloy atomized powder is fine and high in degree of sphericity are utilized, a semisolid metal processing technology is combined with a powder forging technology, the powder is heated to form lots of liquid phases above the powder sintering temperature, an oxidation film in a nano scale on the surface of the aluminum alloy powder is broken and enters an aluminum alloy matrix by utilizing the pressurization, vibration and activation technology, and a fully-dense diffuse intensified aluminum alloy is directly manufactured. According to the method, the problems generated in the process of manufacturing the fully-dense aluminum alloy through a traditional powder metallurgy process are solved, the material texture is not needed to be specially controlled, the forming performance is extremely high, the process method is simple, the material utilization rate is extremely high, and the method is low-carbon, energy-saving, environment-friendly, low in manufacturing cost and easy for industrial production, and equipment limitation is avoided.

The invention relates to a wireless positioning method of mine equipment and a spraying dust suppression control method of hydraulic supports. The two methods have the following beneficial effects: positioning is realized based on the signal intensity values of wireless data; wireless modules on the hydraulic supports and a wireless module on a coal mining machine are distributed on two parallel lines and form a communication network based on Zigbee wireless positioning technology; after successful networking, a node B on the coal mining machine begins transmitting broadcast data ceaselessly every hundreds of ms after simple handshake response, nodes A on the hydraulic supports closer to the node B receive the data and obtain the address of the node B and then process the signal intensity values of the received data and finally return the signal intensity values to the node B point to point by groups, and the node B computes the advancing position; and in addition, automatic spraying dust suppression control of the hydraulic supports in the place in which the coal mining machine is positioned can be realized while the coal mining machine is precisely positioned by utilizing Zigbee wireless communication, thus avoiding the defect that the infrared transceiver technology is easy to block by dust, equipment and human bodies and accordingly loses functions.

The invention discloses a Beidou local precise time transfer method based on time laboratory enhanced information. The method comprises the following steps: constructing a Beidou reference station, connecting a receiver clock with a standard time signal of a national timing center time laboratory of the Chinese Academy of Sciences; based on an observation value of a Beidou reference station, extracting and broadcasting Beidou satellite enhancement information containing standard time signals in a network mode, a time user receiving the enhancement information, performing non-differential PPP calculation in combination with collected observation data and a received ephemeris product, obtaining the time difference with a standard clock, and therefore achieving precise time transmission of national standard time. The method provided by the invention can eliminate or weaken common errors, improve the observation value error correction level, improve the time transfer precision, and improvethe correction level of the observation value errors of the user station.

The invention discloses a system and a method realizing remote control of on-site equipment through connection of short messages and a programmable logic controller (PLC). The system comprises a mobile phone terminal and an equipment-side system. The equipment-side system comprises the PLC used to control work of the equipment, a short message receiving and sending unit used to be communicated with the mobile phone terminal, and a single chip microcomputer used for analysis of content of the short messages, wherein the short message receiving and sending unit is connected with the single chip microcomputer which is connected with the PLC. According to the system, the PLC is remotely controlled by the short messages, an adaptive distance is long, and any mobile phone can be used to send instructing short messages to a TC35I module and a mobile phone card which are communicated with the PLC. The system is not influenced by the number of the mobile phone sending the short messages. Meanwhile, the PLC can send failure warning information data to a designated mobile phone number through the TC351I module and the mobile phone card so that maintaining people can conveniently understand failure information at first time so as to quickly rush to repair.

The invention discloses a multipoint zoning sampling system and method for monitoring a multiphase flow medium ingredient. The multipoint zoning sampling system comprises a sampling unit, a high temperature heat tracing pipeline, a control cabinet and a medium analysis cabinet, the sampling unit comprises sampler components distributed in a to-be-sampled flue, a plurality of sampler components are evenly distributed on the same cross section in the flue, a plurality of sampling holes are evenly distributed on the same cross section of the sampler component, an outlet end of the sampler component is connected with one end of the high temperature heat tracing pipeline, the other end of the high temperature heat tracing pipeline is connected with the control cabinet, the control cabinet is internally provided with a mixed sample gas chamber, and the mixed sample gas chamber is connected with the medium analysis cabinet through a sample pipeline and is communicated with the high temperature heat tracing pipeline through a back blowing pipeline. A plurality of groups of sampler components are distributed in the flue, the flue is divided into a plurality of measuring zones with equal areas, the sampling holes are formed in each sampler component, the sampling unit is controlled through an independent back blowing device, a temperature control device and a zoning sampling control valve, therefore, the sampling is more representative, and the measurement accuracy is higher.

The invention discloses a sleep-conducive milk powder. The milk powder includes the following raw materials based on finished product per kg: 1.5-4kg of raw milk, amino acid, 50-150g of banana powder and 8-20mg of vitamin B6, wherein amino acid comprises 1.5-10g of tryptophan, and neutral amino acid, and the proportion of the tryptophan to the neutral amino acid is 0.04-0.2. For the milk powder provided by the invention, the conversion of the tryptophan to the 5-hydroxytryptamine is improved by controlling the proportion of the tryptophan and the macromolecular neutral amino acid through the synergistic interaction of the banana powder, the vitamin B6, magnesium and the tryptophan, and the vitamin B6 can increase the GAD (Glutamic Acid Decarboxylase) activity, thus, the sleep-conducive property of the tryptophan is improved without being restricted to the amount of the tryptophan.

The invention is suitable for the communication technology field and provides a method and a device for expanding the WLAN ID number. The method comprises steps that, request information of an adding WLAN is received, an access point of the request information of the adding WLAN is determined, and a mapping table corresponding to the access point is established; actual WLAN IDs of to-be-added WLANs are acquired; a virtual WLAN ID from spare WLAN IDs corresponding to the access point is determined, a mapping relationship between the actual WLAN IDs and the virtual WLAN ID is recorded in the mapping table; the virtual WLAN ID is emitted to the access point. According to the method, the WLAN IDs presented by an access controller to the outer side are the actual WLAN IDs, the WLAN ID emitted to the access point is the virtual WLAN ID, so the number of the WLAN IDs is not limited, and the WLAN ID number is expanded.

The invention discloses a laser cloth cutting machine. Support frames and a laser cutting machine module are arranged on a working platform which is fixed on the laser cloth cutting machine; the two sides of the laser cutting machine module are connected with the two sides of the working platform by using the support frames; the laser cutting machine module comprises more than one laser generator, a cross frame, exhaust fans and a microcomputer controller; the exhaust fans are as many as the laser generators; and the exhaust fans and the laser generators are located on the cross frame in parallel. A rolling belt and an electrostatic generator are arranged on the working platform, the rolling belt is located between the support frames and comprises a roller and a belt, and the electrostatic generator is connected with the roller by using a lead. The laser cloth cutting machine is high in precision, high in speed, smooth in cut, out of limitations of cutting patterns, automatic in type setting and material-saving and low in processing cost; and when cloth is conveyed, the cloth does not move and is not adsorbed by the exhaust fan during air exhaust.

The invention provides a method and a device for completely displaying a column diagram of measured data. The device comprises a measurement part, a display part, a control part and a storage unit. The method comprises the following steps of: acquiring the measured data and the number of columns of the column diagram; searching the maximum value and the minimum value in the measured data; calculating a stepping value according to the maximum value, the minimum value and the number of the columns; determining a measured data range accommodated by each column according to the stepping value; calculating the number of points of the measured data in each column; calculating the height of each column according to the number of the points of the measured data, and taking a ratio of the width of a column diagram display window to the number of the columns as the width of each column; and drawing and displaying the column diagram according to the widths and the heights of the columns. By the method and the device, an effect of completely displaying the column diagram of the measured data, and the number of the columns of the column diagram can be freely set by a user.

The invention relates to a high-capacity wastewater microwave photo-catalytic coupling degradation device for intensifying internal circulation of liquid, and belongs to the technical field of wastewater treatment. On the premise of taking the coupling effect into consideration, the reactor aims at, in a package manner, solving the problems of small wastewater treatment amount of a single tank of a reactor, high repeated operation frequency, insufficient internal liquid circulating strength and the like, which exist in the existing technology of microwave photo-catalytic degradation to organic pollutant industrial wastewater. A metal cage is arranged in the reactor, an electrodeless ultraviolet lamp and a shield of the electrodeless ultraviolet lamp are coated in the metal cage with a quartz tube, a certain distance is maintained between the outer wall of the quartz tube and the inner wall of the metal cage, so that a microwave and photo-chemical coupling effect area is formed between the outer wall of the quartz tube and the inner wall of the metal cage; and the microwave radiation effect is blocked in the area between the outer wall of the metal cage and the inner wall of the reactor, and a flared cylindrical component used for intensifying liquid circulation is erected right below the metal cage. The high-capacity wastewater microwave photo-catalytic coupling degradation device is advantageous to solve the problems.

The invention discloses a tri-channel LED driver chip. The tri-channel LED driver chip comprises a signal analysis module, a decoder, a driving current control module, an LED driving module, an oscillating module and an encoder, wherein the signal analysis module is used for receiving gray-level data inputted externally and outputting the gray-level data at the output end of the signal analysis module; the decoder is used for receiving the gray-level data outputted by the signal analysis module and decoding the gray-level data to output decoded information; the driving current control module is used for receiving the decoded information, confirming a PWM (pulse-width modulation) signal according to a preset mapping relation between the decoded information and the PWM signal and the received decoded information, and outputting the PWM signal at the output end of the driving current control module; the LED driving module is used for receiving the PWM signal outputted by the driving current control module and regulating driving current of a red-light diode, a green-light diode and a blue-light diode according to the PWM signal; the decoder is used for receiving the decoded information, encoding the decoded information, restoring the decoded information to the gray-level data and outputting the gray-level data at the output end of the encoder.