138results about How to "Strong compatibility" patented technology

The invention relates to an LED (light-emitting diode) fluorescent lamp drive circuit, and discloses the LED fluorescent lamp drive circuit. The LED fluorescent lamp drive circuit comprises an AC (alternating current) input end, a bridge rectifier-filter circuit and an LED load unit. The LED fluorescent lamp drive circuit is characterized by also comprising a filament analogue circuit, a high-frequency and high-voltage absorption circuit and a high-frequency induction drive circuit. The LED fluorescent lamp drive circuit has the advantages of concise structure and good compatibility, and can be compatible with an electronic ballast and an alternating current electric supply.

The invention discloses a high-voltage transmission line / tower remote video on-line monitoring system which comprises a multifunctional monitoring base station, a wireless communication network and a remote monitoring center; the multifunctional monitoring base station is connected with the remote monitoring center through the wireless communication network and is arranged on the tower of the high voltage transmission line; the wireless communication network supports the video communication; the multifunctional monitoring base station is used for acquiring the spot scene information, and sending the spot scene information to the remote monitoring center through the wireless communication network; and the spot scene information comprises the video / image, audio frequency, spot monitoring data as well as early warning / warning message of the high-voltage transmission line / tower. In the invention the high-voltage transmission line / tower spot scene is transmitted to the remote monitoring center through the wireless communication network synchronization, thus the monitoring center operator can grasp the running state of the high-voltage transmission line / tower timely and accurately, and the comprehensive monitoring of the high-voltage transmission line / tower is realized.

A parking guidance system based on a cloud platform and AGPS (Assisted Global Positioning System) comprises gate control devices, a user handheld terminal, a parking cell detection sensing module and a cloud platform, wherein the cloud platform is formed by four layers of modules including a system application module, a distribution type cache module, a content distribution network module, a concurrent computation module and a distribution storage module from up to down; each gate control device comprises a cabinet with a gate and a gate controller, and an electric display screen and a card issuing module are arranged on the cabinet; the user handheld terminal is mobile Internet equipment; the gate control devices are distributed at entrances and exits of a parking lot; and the parking cell detection sensing module comprises sensor nodes and a data collection integrated controller. The parking guidance system has the benefits of portability, quickness in response and accuracy, has unique advantages aiming at a parking lot which is complex in topography and has decentralized parking cells, is strong in compatibility, can achieve interconnection of parking guidance systems of a whole city or a whole region.

The invention discloses a method for protecting Ethernet ring, and a corresponding device. The method and the device are characterized in that when the link on Ethernet ring is failed, link failed node block and a port connected with the failed link are detected, and control information are continuously transmitted to other nodes; the other nodes receive the control information and judges whether a self-maintained failure mark varies, and the forwarding table of the node is emptied, the failure mark stored by the node is updated, and a timer corresponding to the failure mark is reset if the self-maintained failure mark varies; otherwise, only the timer corresponding to the failure mark is reset. The method and the corresponding device in the invention can effectively implement Ethernet ring protection under various conditions, with simple process and high compatibility.

This invention discloses one Ethernet protection method, which comprises the following steps: establishing protection relationship between first and second single boards and in normal situation for support business by first one; when first board end interface cannot work for normal and the second board is moved in, restoring second terminal data receive function and using linkage status control mechanism to trigger part end interface and to switch business of first board to second board. This invention uses linkage status mechanism to control terminal status and to control end work status or non work status.

The invention provides a composite soil adsorbent for preventing high-content soil in concrete from adsorbing a poly-carboxylic water reducer, and a preparation method and using method of the composite soil adsorbent. The composite soil adsorbent is prepared from the following raw materials by mass percent: 10 to 20% of a dispersion thinner, 5 to 10% of a retarder, 0.5 to 2.5% of an ion complexing agent, 0.2 to 0.5% of a surfactant and the balance of water. The preparation method comprises the following steps: stirring the dispersion thinner and water in a reaction kettle until the dispersion thinner is dissolved completely to obtain an even solution; adding the retarder and the ion complexing agent, and stirring until the retarder and the complexing agent are dissolved completely; finally, adding the surfactant, heating by a water bath, and stirring uniformly, so as to obtain a product. The using method comprises that the mixing amount of the composite soil adsorbent which is used cooperatively with a poly-carboxylic water reducer mother solution or replaces a part of the poly-carboxylic water reducer mother solution is 0.2 to 0.5% of that of a cementing material. By adoption of the composite soil adsorbent, the preparation method and the using method, the adsorbing of the soil to the poly-carboxylic water reducer is reduced, therefore, the comprehensive properties of the concrete are improved remarkably, and the problem of poor usability of the poly-carboxylic water reducer in the concrete with high soil content is solved.

The invention relates to a digital signing method based on a mobile phone intelligent card, which belongs to the technical field of mobile phone intelligent cards. The method comprises the following steps of: sending service information to a mobile authentication platform by a bank platform through a special network interface; sending data to be signed to an authentication terminal by the mobile authentication platform in a data short message mode; confirming the signature by hands or refusing to confirm the signature by a user through the authentication terminal, wherein when the signature is confirmed by hands, the intelligent card carries out encryption on the data to be signed, and sends a signing result to the mobile authentication platform, or else, the authentication process fails; after the mobile authentication platform receives the signing result, then forwarding to a digital certification authentication center to carry out signature verification processing; directly sending a signature verification result to the mobile authentication platform by the digital certification authentication center, and forwarding the signature verification result to the bank platform through the mobile authentication platform, and processing the services and authentication process results by the bank platform according to the signing result. The invention can use mobile phone short messages to realize safe and reliable digital signing authentication; and the method is simple and convenient and has high security.

The invention discloses a method for video playing and based on a stream media system. The method comprises the following steps: firstly, a user sends out video playing information; secondly, the stream media system receives the video playing information, at the same time receives real-time videos uploaded by a video sensing node, performs multi-stage caching to the real-time videos, and counts and records the number of video frames received by the cached videos in a time slot interval with a certain period of time; and thirdly, the stream media system reads the real-time video in a time slot interval with a certain period of time, and transmits the videos to users based on the recorded real-time video frames. The invention adopts the stream media system to realize video playing, the stream media system does not depend on a video coding system and a video coding system, supports the video sensing node adopting different video sensing schemes, can conveniently enlarge the scale of a network, has high compatibility and practicability, as well as excellent universal property, and is suitable for the playing of various videos.

The invention relates to a modification method for preparing a highly-hydrophilic real silk fiber spunlace non-woven material, which comprises the following steps: soaking real silk in hydrophilic modification solution for 8 to 10 minutes, taking out the real silk, dehydrating and drying the real silk, and cutting the real silk into short fibers of 30 to 50 millimeters in length; and spraying water to prewet the real silk short fibers, controlling the moisture regain to be less than or equal to 17 percent, sealing the real silk short fibers for 24 hours and then taking out the real silk short fibers, and processing the real silk short fibers in a carding machine of which the linear velocity is between 30 and 120 meters per minute and the hydraulic pressure is between 30 and 100 bars. The highly-hydrophilic real silk fiber spunlace non-woven material prepared by the modification method has the advantages of soft texture, good gloss, no off-flavor, good moisture absorption, air permeability and no chemical additives, and belongs to green environment-friendly products.

The invention discloses a reactor coolant pump water lubrication radial bearing test device and a test simulation method. The invention discloses a reactor coolant pump water lubrication radial bearing test device. An elastic pin coupler can regulate the shaft centering, bears a big instantaneous overload and performs buffer vibration absorption; a single-row deep-groove ball bearing can bear the axial force under an operation working condition and can guarantee the smooth operation of the shafting in the high speed working condition; electromagnetic induction heating can realize the application of different stage temperature loads on the periphery of the bearing; a pressure pump and a regulation valve in a circuit can perform regulation on the bearing cooling water quantity, pressure and temperature; a water tank heater and a cooler regulate the bearing to inject the cooling water temperature; and the test device has the same working condition with the bearing in the reactor coolant pump. The invention is simple in structure, strong in adaptability, wide in application range and is applicable to the performance test of different stage water lubrication radial bearing.

The invention relates to a method for leading out a Word under a BS system. The method includes the following steps that a user newly builds a Word file, and data content parts needing filling or replacing serve as template engine variables; the user saves the Word file as a file of an XML format; the user newly builds a leading-out template in the BS system and uploads the file of the XML format to the leading-out template; the user authorized by a BS system administrator manages the leading-out template on line, the BS system judges whether the downloading format of the file of the XML format in the leading-out template meets requirements or not, if yes, the next step is carried out, and otherwise the step is repeated and management continues; the user gives a leading-out instruction through page triggering, a template engine renders a data model, data are generated, and the Word file is downloaded to a user computer. The method for leading out the Word under the BS system is high in compatibility, meets the requirement that the user downloads and leads out BS system data to the local Word file in the daily services, can modify the format and content of the downloaded leading-out template on line, is convenient to use by the user and improves user experience.

The invention relates to a high-purity lithium chloride preparing technical method for adding barium chloride, lithium hydroxide and lithium oxalate to a chemically synthetic lithium chloride solution to make chemical precipitation reaction and membrane filtration, eliminating SO42- ions and the metallic impurity ions of Fe3+, Al3+, Ni2+, Mg2+, Ca2+, etc from the lithium chloride solution, and then adding in ion exchange absorbent to deeply eliminate sodium impurities; at 60-95 deg.C, adding powdery inorganic ion exchange agent Li1.3Ti1.7Al0.3(PO4)3 or Li1.3Zr1.7Al0.3(PO4)3 in the lithium chloride solution after primarily eliminating impurities, making membrane filtration and deep elimination of sodium impurities, and then drying and obtaining the pure lithium chloride products; all the above technical courses are made at normal pressure; the impurity content in the lithium chloride products can be reduced: Na<10 ppm, Ca < 25 ppm, Mg < 10 ppm, and Fe < 7 ppm. The pure lithium chloride can completely act as the raw material further electrolyzed to produce metal lithium of excessive 99.9%.

The invention relates to the technical field of nonmetal ore mineral materials and organic surface treatment. Easy-to-disperse sericite for cosmetics is characterized in that the sericite for cosmetics is used as a raw material, surface modification is firstly performed on sericite powder at a low temperature by using a surface treating agent and then high-temperature ageing modification is performed to obtain easy-to-disperse sericite for cosmetics, wherein the surface treating agent is obtained by mixing a modifying agent and a dispersing agent in a mass ratio of 1 to (1-10), the modifying agent is a mixture of any two or three of N-octyl triethoxysilane, polymethylhydrosiloxane and polydimethyl siloxane; the dispersing agent is isopropanol. The easy-to-disperse sericite for cosmetics prepared by the method is good in dispersion, excellent in glossiness, refreshing in skin feel and good in ductility, is in good fit with skin, can meet special needs of high-grade cosmetics and can be used as body pigments for being widely applied to various cosmetics fields.

The invention discloses a distributed file acquisition monitoring method, comprising the following steps: S1, constructing a server by using a Mysql cluster and a Redis cluster, and arranging a WEBAPPat the server; S2, providing a task definition by the WEBAPP; S3, saving the task in the server; S4, a client acquiring task information by reading the Redis cluster every time, and processing the task; S5, the task beginning, a monitoring program checking the integrity of the acquisition process, and performing compensation acquisition; S6, the monitoring program recording a ftp login status anda network status; S7, the client acquiring data and storing the state in a remote storage cluster; and S8, the WEBAPP controlling the downloading, uploading or stopping of the acquisition task. The distributed file acquisition monitoring method implements decentralization, and does not have primary nodes or child nodes, so that the acquisition application can be extended at any time; the providedWEBAPP visualized operation can be used intuitively and conveniently; and the Docker can allow the coexistence of acquisition of multiple versions without conflicts and has strong compatibility.

The invention provides a video multicast achieving method based on a session initiation protocol (SIP) monitoring system. The video multicast achieving method includes: when media streams between SIP monitoring client sides and IP cameras (IPCs) are transferred by a server and the first SIP monitoring client side is connected with one IPC through the server, the second SIP monitoring client side is assumed to monitor the IPC and transmit INVITE requests; the server preferably confirms authority of the second SIP monitoring client side, if the second SIP monitoring client side is authorized, media ports are distributed to the server directly through media services, and the server provides 2000K response; the second SIP monitoring client side responds to ACK, then RTP streams are built between the second SIP monitoring client side and the server, and the server is responsible for forwarding IPC audio / video streams to the first SIP monitoring client side and the second SIP monitoring client side. By means of the video multicast achieving method based on the SIP monitoring system, a plurality of users can look over one IPC at the same time, and the monitoring quality can be ensured.

The invention discloses an automatic testing method and system for a distribution network of an intelligent device. The method includes the following steps: S100. selecting a cooperation destination router and a destination terminal device from alternative routers of different models and terminal devices of different models; S200. sending distribution network information of the selected destination router to the destination terminal device; S300. controlling the destination terminal device to send the distribution network information to a to-be-tested intelligent device to make the to-be-tested intelligent device perform a distribution network connection with the destination router according to the received distribution network information; and S400. determining whether the distribution network connection is successful between the to-be-tested device and the destination router. The method and system can test the compatibility of the distribution network which is not considered in the prior art, so that once the to-be-tested device with qualified compatibility is applied to a market, and can match the majority of the terminal device and the router from the aspect of the distributionnetwork, and the compatibility is extremely strong.

The invention discloses an extending type digital steering engine and a working method thereof. The steering engine comprises a steering engine control unit, a motor control circuit, a motor driving module, a feedback module, a brushless motor, a serial communication module, a retarding mechanism, a position sensor and the like. According to the steering engine and the working method thereof, a standard control mode and an extended control mode are set, the compatibility is high, and the applicability is high. Since a serial communication bus is adopted, parallel connection and serial connection can both be achieved in the system assembly, so that the connector is simple, the system connecting cable is drastically simplified, the reliability of the system is improved, and a basis is laid for modularized design and modularized production. The technical problem that an existing traditional digital steering engine is small in unit size output torque and the problems that closed-loop control cannot be formed, no protection circuit exists, and the control signals and connector connecting cables are complex, large in number and low in reliability are solved, and the extending type digital steering engine can be widely applied to mobile robot joint degree-of-freedom control, and can also be applied to unmanned propeller actuating and control and manipulation and control of the attitude of aircrafts like a model airplane.

The invention discloses a modular flexible packaging system for liquid packages. The modular flexible packaging system comprises a rack (1), wherein a liquid package splitting conveying line (2) and apackaging box conveying line (3) are arranged in an inner cavity of the rack (1) in parallel, an integration platform (7) is arranged on the tail end of the liquid package splitting conveying line (2), a packaging box module (4), a partition module (6), an integration box loading module (7) and a box pushing module (8) are arranged in sequence in the operating direction of the packaging box conveying line (3), the packaging box module (4) is used for supplying packaging boxes, the partition module (6) is used for supplying partitions put in the packaging boxes, the integration box loading module (7) is used for integrating the liquid packages and then grabbing the liquid packages so as to be put in the packaging boxes, and the box pushing module (8) is used for pushing the packaging boxesloaded with the liquid packages to a box sealing conveying line (91) of a box sealing module (9), so that box sealing is completed by a box sealing mechanism (92). According to the modular structureof the modular flexible packaging system, different liquid packages can be packaged only by replacing different tools and fixtures.

The invention relates to a diesel low-exhaust-temperature fault prediction system and a method. The diesel low-exhaust-temperature fault prediction system comprises a signal acquisition system, a modeling simulation system, and a fault diagnosis system, the signal acquisition system is used for acquiring and processing signals and transmitting the signals to a monitoring computer for storage and processing, the modeling simulation system builds a diesel combustion chamber model by employing a diesel simulation software and simulates the normal work state of a diesel, and the fault diagnosis system analyzes reasons of the fault phenomenon of low exhaust temperature, realizes the simulation of the above fault by adjusting related parameters in the modeling simulation system, establishes a fault database, compares the practical work state of the diesel with the fault database, and determines whether the diesel is in a fault state. According to the system and the method, the installation of a sensor is not needed, the fault of low exhaust temperature of the diesel can be accurately monitored in real time, the fault of low exhaust temperature of the diesel is predicted, fault diagnosis suggestions are provided, and technical support is provided for high-efficiency processing of the faults for users.

The invention relates to a mobile terminal audio test method, system and audio test interface adapter. The audio test interface adapter comprises at least one audio circuit which is configured to be matched with different types of mobile terminals to be tested; and a controller which is respectively connected with a computer, a sound card and the mobile terminals to be tested and is configured to receive information of the mobile terminals to be tested transmitted by the computer, inquire a pre-stored index table according to the information, acquire the audio circuits matched with the mobile terminals to be tested, control conduction of the matched audio circuits, receive test signals from the sound card and transmit the test signals to the mobile terminals to be tested through the conducted audio circuits so as to realize audio testing of the receiver and the loudspeaker of the mobile terminals to be tested. According to the mobile terminal audio test method, system and audio test interface adapter, the matched audio circuits are acquired through the controller, and conduction of the matched audio circuits is controlled so that audio testing of the receiver and the loudspeaker of different types of the mobile terminals to be tested can be realized, and compatibility is high.

The invention provides a metallic glass micron foil resistive strain sensor and a preparation method thereof. The sensor comprises a substrate; a metal glass sensitive grid on the substrate; and a covering layer covering the metal glass sensitive grid, wherein the metal glass sensitive grid is prepared from a metal glass foil. The method comprises the following steps: preparing a film substrate; preparing the metal glass sensitive gate by photolithography; covering the protective film; and soldering a lead wire. According to the metallic glass micron foil resistive strain sensor, the metal glass foil is used as a sensitive material to improve the range and performance of a commercial conventional foil strain sensor, and realizes an ideal resistive strain sensor, and an ideal resistive strain sensor is achieved; and the preparation process is compatible with the existing foil strain gauge production process, thereby bringing convenience for the commercial promotion.

The invention relates to a multi-particle adaptive initialization method, a device, a computer device and a storage medium. The method comprises the steps of setting a main control mode as an asynchronous mode; adopting an asynchronous mode to initialize particles; getting the particle ID; switching the particle mode according to the particle ID. By setting the main control mode as an asynchronousmode, initializing the particles in the mode, and keeping the frequency of the master NAND flash memory in the synchronous mode and the master operation to be less than 20MHz, it is ensured that regardless of the particle in which mode, the asynchronous mode is used for initialization, the same set of code and different batches of products compatible with different particles or the same particleare used to achieve SSD multi-particle adaptive, which does not need to modify the firmware configuration, and enables strong compatibility.

The invention relates to a community access control lock system with a remote control function. A door opening button simulation mechanism is connected to a door opening button of a conventional electronic lock and is further connected with an electronic lock control circuit to realize locking and unlocking of an access control lock. Further, the door opening button simulation mechanism is connected with an access control controller through a lock driving interface, the access control controller is connected with an access control gateway through a network, and accordingly a network connection function can be achieved, connection with an Internet of Things system can be realized, and remote control and intelligent management of access control are realized. Furthermore, by a cloud access control server, the system is capable of sending prompt messages to management personnel according to control signals of the electronic lock or linking with other Internet of Things devices to realize advanced management of access control.

The invention discloses a voice over internet protocol (VOIP) voice access method applicable to a frequency division multiple access / demand assigned multiple access (FDMA / DAMA) satellite communication system and relates to voice access technology in the field of satellite communication. The method comprises accessing voice service borne by internet protocols (IP) in the FDMA / DAMA satellite communication system through procedures of intercepting and capturing data packages, asking for communication resources, allocating communication resources, conducting both-way voice communication, asking for release of communication resources, releasing the communication resources and the like. The voice access method has the advantages of automatically accessing IP voice, enabling an access flow to be completely transparent to a voice gateway and being strong in voice gateway compatible capability, and is particularly suitable to use of FDMA / DAMA satellite communication stations which use the VOIP voice gateway to conduct voice access.

The invention discloses a solar frequency conversion air conditioner having a function of automatic tracking. The solar frequency conversion air conditioner comprises an air conditioning unit, a master controller board, a bracket base, a bracket and a bracket frame, a solar battery board fixed on the bracket, a storage battery, a photosensitive sensor, a micro processor, a first swing device and a second swing device driven by the master controller board, wherein the photosensitive sensor is connected with the input end of the micro processor; the output end of the micro processor is connected with a main control board; and the photosensitive sensor includes a substrate, a hollow pin vertical to the substrate, a photosensitive resistor, and a photoelectric diode arranged in and out of the pin. The solar frequency conversion air conditioner can realize automatic tracking of sunshine in all directions, and greatly increase the conversion rate of solar energy.

The invention discloses a simulation test device of a mine waste reservoir with adjustable gradient. The simulation test device is provided with a simulation reservoir area, wherein a dam reservoir of the simulation reservoir area is connected with a simulation cleugh. The simulation test device is characterized in that a jacking push rod is arranged at the bottom of the simulation reservoir area positioned at the reservoir tail and arranged on a hydraulic cylinder; a reservoir dam rotating shaft is arranged at the bottom of the simulation reservoir area positioned at the dam reservoir; the simulation reservoir area is articulated on a base of the reservoir through the reservoir dam rotating shaft; the simulation cleugh is formed by at least two grooves end to end in sequence, wherein the first end of a first section of groove is arranged on the base of the reservoir; and adjacent grooves are connected by an adjustable joint. The invention has the remarkable advantages of strong compatibility, simple structure, low cost, easy maintenance, convenient operation and capability of not only simulating mine waste reservoirs with different gradients and capacitances, but also simulating downstream cleughs with different trends and gradients.

The invention discloses a preparing method of a silicon viscosity reducer for the drilling fluid, comprising steps: step one, adding proper water in a reactor, then feeding methyl chlorosilane, stirring and reacting for generating mixed solution, cooling the mixed solution; step two, adding aqueous alkali into the cooled reaction solution for complete reaction, feeding aluminium sulphate solution, stirring and reacting for a period, forming the silicon viscosity reducer for the drilling fluid. The prepared viscosity reducer has strong high-temperature (more than 240 DEG C) resistance and high compatibility with the other substances, good mud stream rheological property, dilution, viscosity reduction property and lubricating property. The working substance content is higher or equal to 16%; the chloride content is lower or equal to 10% and the viscosity reduction ratio is higher or equal to 80% at the room temperature and the viscosity reduction ratio at 220 DEG C for 16 hours is higher than or equal to 70%.

The invention is applicable to the technical field of image processing, and provides an image white balance adjusting method and apparatus, an image processing chip and a storage apparatus. The method comprises a color gamut conversion step, a brightness interval gain calculation step and an overall image gain calculation step, and pixels of an image are converted from an RGB domain into a YCbCr domain in the color gamut conversion step; in the brightness interval gain calculation step, white points in brightness intervals are separately found out according to a plurality of set brightness intervals and white point color feature conditions of the plurality of set brightness intervals, and gain values of image white adjustment in the brightness intervals are calculated; and in the overall image gain calculation step, the gain value of overall image white adjustment is calculated according to the gains of the intervals and a set weight value. By adoption of the technical scheme of the invention, the compatibility of strong white balance is realized without causing white balance disorder.