65results about How to "Ensure stable and reliable" patented technology

The invention discloses an electric power data multi-way communication system. The electric power data multi-way communication system comprises a main station terminal, a PLC (programmable logic controller) network, a centralizer and a meter, wherein the main station terminal, the centralizer and the meter are subjected to communication and coupling through the PLC network. The electric power data multi-way communication system further comprises a centralizer end module arranged at the centralizer end as well as a meter end module arranged at the meter end; the centralizer end module is connected with the meter end module through an electric power line protocol. The invention also discloses a multi-way centralized meter reading system. According to the electric power data multi-way communication system and the multi-way centralized meter reading system disclosed by the invention, communication modules are intelligent nodes, and intelligent modules interact for instant networking, and the networking is not controlled by the centralizer; real-time, rapid and stable communication is achieved; the antidamping and noise resistant capabilities of the systems are improved further on the networking mechanism based on a physical layer by fully utilizing the intelligent characteristic of a chip of the physical layer; the technical difficulties of network time and sequence, network conflict, network efficiency, effective detection of repeated data packets and the like are solved based on the chip CSMA (carrier sense multiple access), and the stability and reliability of communication are ensured.

The invention relates to a pre-tightening device of the automobile main reducer and a pre-tightening method of the same. The device is characterized in that a working platform is arranged for suspending the main reducer. A rotatable bearing pre-tightening torque measurement mechanism is arranged under the platform. The method is characterized in that the pre-tightening torque of a main gear bearing and the tightening torque of a main gear nut are measured while the main gear nut is tightened by a nut tightening mechanism and a main reducing bearing seat is rotated by the bearing pre-tightening torque measurement mechanism. When the pre-tightening torque of the main gear bearing and the tightening torque of the main gear nut both reach within the area of the setting value, the pre-tightening of the automobile main reducer is completed. The method can effectively improve the qualification rate of products and increase the working efficiency.

The invention discloses a method and system for converting a ladder diagram program into an instruction list program and executing compiling and interpretation of the instruction list program. According to the ladder diagram conversion method, energy flow classes and auxiliary nodes are introduced according to the characteristics of edition and execution of a ladder diagram, the class is set on each diagram peak, and an auxiliary node is added; the serial and parallel connection relationship is judged according to the out-degree and in-degree of the class and the auxiliary node where an element is located. After the ladder diagram is converted into the instruction list, a PLC immediate compiling method combined with compiling and interpretation and a divide-and-conquer method concept are adopted, a compiling front end and an interpretation rear end are designed independently, and in combination with a GCC rear-end structure, a PLC compiling system specific to a special machine model is generated. The method and system for converting the ladder diagram program into the instruction list program and compiling the instruction list program have the advantages that the ladder diagram program with a complex logic structure can be accurately and rapidly converted into the instruction list program, and in the conversion process, grammar error checking is carried out on the program, and the common errors like an open circuit, a short circuit and a bridge circuit are excluded, so that the correctness of the generated instruction list program is guaranteed.

The open type digital control system includes one digital control system comprising system bus, CPU, universal control and user interactive chip, memory, power supply and clock circuit and universal control and user interactive interface; one state monitoring and fault diagnosing chip, one network managing and controlling chip, one data resource managing chip, one secondary development simulation chip, one data information storing chip, one simulation development storing chip, one secondary development memory chip, one secondary development platform, one network and remote monitoring interface, one secondary development simulation interface; and one cured control software. The present invention provides secondary development function and opened structure data system, has hierarchial intelligent network functions of state monitoring and fault diagnosis.

The invention belongs to the field of TFT (thin film transistor) lithography equipment, and in particular relates to a locking and unlocking device of a mask template box. The locking and unlocking device comprises a template fork mechanism, a clamping mechanism and a template box lifting mechanism. The template fork mechanism comprises a left guide rail; a left template fork which is arranged on the left guide rail, and can linearly and reciprocally move; a right guide rail; a right template fork which is arranged on the right guide rail, and can linearly and reciprocally move; a synchronous belt driving adverse movement of the left template fork and the right template fork; and a diver driving the synchronous belt. The clamping mechanism comprises jack catches in one-to-one correspondence with lock fasteners, the template box lifting mechanism supports the template box from the lower part of the template box, and the template box lifts up or down with the template box lifting mechanism. A low-cost micro cylinder and the low-cost synchronous belt are used as transmission parts, protection baffle plates of the template box are increased, locking and unlocking are performed in a stepwise manner to ensure the process is stable and reliable; and in order to ensure the mask work environment, a telescopic seal box is introduced to provide a clean environment.

The present invention relates to an arc flash detection device for detecting the generation of an arc flash in a power receiving and distributing facility and for generating a trip signal upon the generation of the arc flash, including: optical fiber cables for transmitting an arc flash detection optical signal and receiving an arc flash optical signal converted by the arc flash; a lens part having a reflection element adapted to reflect the arc flash detection optical signal transmitted through the optical fiber cables and the arc flash optical signal converted by the arc flash if the arc flash is generated; and an optical detection part for transmitting the arc flash detection optical signal through the optical fiber cables and comparing the arc flash optical signal received through the lateral periphery of one side optical fiber cable and the arc flash optical signal reflected on the lens part with the arc flash detection optical signal to output an arc flash generation signal as a difference signal between the compared results.

The invention relates to the technical field of laser communication, in particular to an optical transmitting and receiving integral single-fiber bidirectional device used for the optical communication and an assembling fixture thereof. The center hole of the mortise holder of the optical transmitting and receiving integral single-fiber bidirectional device is cooperatively provided with a ceramic mortise, a ceramic sleeve and a sleeve holder in an interference mode; the upper end of the mortise holder is provided with a 45-degree plane and a 0-degree plane, wherein the 45-degree plane is used for arranging a 45-degree light-splitting sheet, and the 0-degree plane is used for arranging a 0-degree light filter; the upper end of the center hole of the mortise holder is provided with a light emitting hole of which one section of the diameter is enlarged; the light emitting hole and the 0-degree plane are cross to form a side-surface light emitting gap; the 45-degree light splitting sheet and the 0-degree light filter are respectively bonded and fixedly arranged on the 45-degree plane and the 0-degree plane; and the mortise holder with the 45-degree light splitting sheet and the 0-degree light filter is axially inserted into a square bracket. The optical transmitting and receiving integral single-fiber bidirectional device and the assembling fixture have the advantages of simple structure, low manufacture technology difficulty and low cost, and the emitted light power or the receiving sensitivity is easy to couple.

The invention discloses a method for obtaining an intelligent device ID online, and belongs to the field of intelligent device communication. The method comprises the following steps: step 1: initializing a network connection of a device; step 2: sending, by the device, an identity identification request comprising a wireless communication signal to a server; step 3: performing, by the server, anti-data packet adhesion processing according to the identity identification request to obtain a qualified request; step 4: judging, by the server, whether the wireless communication signal in the qualified request is present and authorized, and if yes, controlling, the server, a cloud platform to send a unique device ID number to the device by using a distributed ID generation algorithm; if not, ending the present request, and skipping to the step 2 to continue the request after waiting for an interval time; and step 5: receiving, by the device, the device ID to complete the online acquisition.By adoption of the method disclosed by the invention, by overcoming the data packet adhesion and ensuring the uniqueness of the device ID, the problem that the existing device adopts offline identityauthentication, resulting in low communication security is solved, and the effects of improving the security of the device communication and improving the production efficiency are achieved.

The present invention relates to a power adjustment method for a WIA-PA wireless network. According to the method, firstly, a WIA-PA wireless network is established, and whether the current WIA-PA wireless network is a long period type wireless network or not is judged. If the current WIA-PA wireless network is a long period type wireless network, the power adjustment is completed according to the long period type power adjustment method of the WIA-PA wireless network. If the current WIA-PA wireless network is a short period type wireless network, the power adjustment is completed according to the short period type power adjustment method of the WIA-PA wireless network. According to the technical scheme of the invention, the power adjustment and control of wireless equipment in the network is realized, and the stability of the communication link is ensured. Meanwhile, the energy consumption is saved. The energy consumption can be balanced under different temperature environments. The service life of battery-powered wireless equipment in the network is prolonged. Meanwhile, the interface among different WIA-PA wireless networks or the interface of the WIA-PA wireless network on other wireless networks adopting the 2.4 GHz ISM frequency band is reduced.

The invention discloses an electric transmission line warning sign hanging device which comprises a device base, wherein the device base is matched with a buckle cover, the device base and the buckle cover are both connected with a concrete pedestal, a sleeve is arranged at the upper portion of the device base, one side of the sleeve is hinged to a wiring door through a hinge, an oil cylinder is arranged in the sleeve, the oil cylinder is matched with a lift rod, the lift rod is in slide match with the sleeve, the top of the lift rod and a cantilever are of an integrated structure, a hanging frame is arranged at one end of the cantilever, a group of connection screws are arranged on the hanging frame in a penetrating mode, double nuts are in thread connection with the two ends of the connection screws, the middle of the hanging frame is detachably connected with a middle warning sign, and the two sides of the hanging frame are detachably connected with a lateral warning sign. The electric transmission line warning sign hanging device can be lifted up and down to be adjusted, can be operated in an electric control mode, saves labor and is simple and large in warning range; as all passengers in a vehicle can conveniently observe the warning signs when the vehicle passes, the warning effect of the electric transmission line warning sign hanging device is good.

The invention discloses a side surface fast mounting mechanism for a photovoltaic bracket. The side surface fast mounting mechanism comprises an inclined plane pressure block, an inclined plane base, a connecting piece, a bolt and a nut, wherein hanging hooks are arranged on the two sides of the upper part of the inclined plane base, and the inclined plane base is mounted on the connecting piece through the hanging hooks; the inclined plane pressure block is placed on the inclined plane of the inclined plane base, a stepped hole is formed in the inclined plane pressure block, and a spring is placed in the stepped hole; a waist-shaped hole is formed in the position of the inclined plane base, which corresponds to the connecting piece; and the bolt sequentially penetrates through the connecting piece, the inclined plane base, the inclined plane pressure block and the spring, and the upper end of the bolt is connected with the nut. The side surface fast mounting mechanism disclosed by the invention is simple in structure, low in cost and fast and convenient in mounting process; a spring structure is adopted for realizing fast mounting of the inclined plane pressure block in a preset position, so that the inclined plane pressure block can be conveniently and reasonably clamped into a groove of a guide track, the spring in a locked state can be finally compressed into a countersunk hole, and the reliability and aesthetics in locking can be ensured; the square-neck bolt and the nut are adopted, thereby effectively preventing the following rotation and improving the mounting efficiency; and a side-surface fast mounting piece base can realize adjustability in height during the mounting process, thereby solving the problem that a roof is uneven during actual mounting.

The invention relates to a network storm suppressing device and method based on an IEC61850 chip. The suppressing device is implemented by the IEC61850 chip; the IEC61850 chip is applied to programmable network storm detection and network storm suppression; a network controller is embedded into the IEC61850 chip; and the network controller is used for controlling the working mode of a network card according to demands. In the technical scheme adopted by the invention, monitoring and suppression of network storm are realized in the IEC61850 chip; the influence of the network storm on business units can be suppressed effectively by the IEC61850 chip; the stability and reliability of business processing is ensured; the network processing performance is improved at the same time; the network reliability of intelligent equipment is improved; chip-based network businesses are realized; modularization of device design is promoted; and the development efficiency and maintenance efficiency of equipment are increased.

The invention discloses a low-noise high-vibration totally enclosed micro motor comprising a shell. The stator component, the rotor component and the end cap component of the motor are arranged in the enclosed shell. The connecting terminals of the end cap component are exposed out of the barrel-shaped shell. A bearing support and an oil pad are additionally arranged in the direction of an oscillator so that the noise level of the motor can be substantially reduced and the production efficiency can be enhanced; and the bearing support is closely combined with the shell through four bosses arranged at the periphery so that the bearing support is enabled not to be separated. The content of lubricating oil can be saved by the oil pad so that noise can be effectively reduced.

The invention discloses an electronic medical record data platform control system, and belongs to the field of medical record data platforms. The electronic medical record data platform control systemcomprises a data source end, an electronic medical record data sharing platform and a third-party mechanism business application system, the data source end and the third-party mechanism business application system are in data butt joint with the electronic medical record data sharing platform through a VPN gateway, and the electronic medical record data sharing platform comprises a C-end mobileapplication and a window business system; According to the system, conflicts among patients, hospitals and third-party mechanisms in hospitalized medical record information sharing are solved, the patients, the hospitals and the third-party mechanisms are subjected to data communication, the labor cost is saved for the hospitals, convenience services are provided for the patients, and the serviceefficiency and quality are improved for the third-party mechanisms.

The invention discloses a smart community heterogeneous system message intercommunication method, and belongs to the technical field of community message intercommunication. According to the smart community heterogeneous system message intercommunication method, the message interaction between service subsystems and a unified message center is established, and the method comprises the following steps: S1, forwarding messages sent by each service subsystem to a message receiving module in the unified message center through a message channel in the unified message center; S2, enabling the message receiving module to classify the messages forwarded by the message channel and then send the messages to a message processing module in a unified message center; S3, enabling the message processing module to perform standardization processing on the classified messages, storing the messages before and after standardization processing in a database, and forwarding the processed messages to a message issuing module in a unified message center; S4, enabling the message issuing module to send the processed message to each service subsystem needing the message through the message channel according to the type of the message.

The invention provides an online state data processing method, device and system for an online system. The method comprises the following steps that a data diffusion layer receives online state change messages of a client; the data diffusion layer distributes the online state change messages to a data distribution layer of each subarea according to a preset redundancy strategy; the data distribution layers forward the online state change messages to data storage layer groups of data storage layers of the subareas corresponding to the data distribution layers according to a preset distribution strategy, wherein each data storage layer comprises more than two data storage layer groups; and the data storage layer groups store the online state change messages. According to the method, parallel expansion can be realized conveniently; the bottleneck problem of query per second QPS and system storage capacity is solved; full-dose redundancy storage is carried out on data among the subareas; disaster recovery backup is realized; and the system reliability is improved.

The invention provides deep-hole numerical control fine cold-welding equipment which comprises a welding machine track, a welding machine, a long rod welding torch, a self-correcting fixed-distance rod and a lifting type torch frame, wherein the welding machine travels on the welding machine track; the welding machine is connected to one end of the long rod welding torch; the lifting type torch frame is used for supporting the long rod welding torch; the self-correcting fixed-distance rod is arranged at the lower end of the other end of the long rod welding torch; the lower end of the fixed-distance rod is provided with a smooth round head or a mounting traveling ball; a torch head at the other end of the long rod welding torch is arranged vertically; a nozzle faces downwards; and a wire outlet end of a wire feeding guide pipe is horizontally opposite the outlet side of the nozzle. The deep-hole numerical control fine cold-welding equipment solves the problem that an outer wall and aninner hole are not concentric through the self-correcting fixed-distance rod, and solves the problem of arc voltage stability through the lifting type torch frame. In addition, the angle setting of the wire feeding guide pipe ensures the stability of welding forming.

The invention discloses a mixed working medium low-temperature refrigeration cycle system adopting an ejector and a control method thereof. The system comprises a compressor, a condenser, a heat regenerator, a two-position three-way electromagnetic valve, the ejector, a capillary tube, an evaporator, a one-way valve and an electromagnetic valve. According to the system, switching between a starting mode and a refrigerating mode is achieved by controlling different on-off states of the two-position three-way electromagnetic valve; when the system is in the starting mode, an ejector loop is opened, a refrigerant does not pass through the evaporator, and meanwhile, before the refrigerant enters the compressor, one path of the refrigerant is divided to serve as secondary fluid of the ejector to be ejected, so that the system can reduce the suction flow of the compressor, and the exhaust pressure of the compressor is effectively reduced; and when the system is in the refrigerating mode, the two-position three-way electromagnetic valve is connected with the capillary tube, and at the moment, the system is switched into a single-stage compression regenerative cycle to perform normal refrigeration work.

The invention discloses digital television PSI / SI information distributing system and method. The system comprises a CPU, a TS stream output channel, a buffer control module, a distribution timing control module, a port polling control module, a combined buffer and continuity counting processing module, a system main control module and an SDRAM (Synchronous Dynamic Random Access Memory). Tasks of sending PSI / SI information, processed by the CPU originally, are contributed by hardware in a digital television embedded system to ensure that the CPU preferably processes and sends PSI / SI data packets without interrupting other tasks, thereby greatly lowering the load of the CPU, and ensuring that the requirement for interval accuracy of sending the PSI / SI data and the stability and the reliability of the system.

The invention relates to a computer-based remote mine water level monitoring system, which comprises an upper computer, a computer, an A / D converter, a system bus, a keyboard, a display unit, an alarmcontrol unit and a water pump control unit, wherein the upper computer is wirelessly connected with the computer; the computer takes a single chip microcomputer AT89C52 as a core; the computer is connected with the display unit, the alarm control unit and the water pump control unit separately; the A / D converter, the system bus and the keyboard are electrically connected with the computer separately; and a water level sensor is connected with the A / D converter. The monitoring system disclosed by the invention can monitor the field water level, meanwhile, a LabVIEW is adopted by software of the upper computer, and more control interfaces can be developed for the field reagent condition, so that input of hardware is reduced, meanwhile, the stability and reliability of the system are also ensured, and remote monitoring of the mine water level is achieved.

The invention discloses an integrated lens for terahertz signal detection. A terahertz photoconductive detector is connected with a detector sleeve through a screw, the silicon rubber is sealed in a counter bore, and a terahertz focusing lens and a terahertz collimating lens are respectively arranged at the two ends of the lens sleeve. A focusing lens pressing sheet and an collimating lens pressing sheet are used for threaded pressing, dispensing and curing, after the detector sleeve and the lens sleeve are screwed in and adjusted to the proper positions through threads, an elastic fastening ring is screwed in, nitrogen is filled into a sealing ring hole, the internal air is exhausted, and then the hole is sealed by a rubber sealing plug, so that the dryness of an internal terahertz transmission path is ensured, and the interference of water vapor absorption on terahertz signals is eliminated. The idea of integrated design is introduced into the design of a terahertz signal detection device, an integrated lens is invented, and the convenience of use and the accuracy of measurement are improved.

The invention relates to an intelligent control panel of a wire detecting and wire cutting loop. The intelligent control panel comprises a wire sensor signal input isolation circuit, a wire cutter signal output isolation circuit, a light emitting diode (LED) signal output isolation circuit, a code dialing circuit, a singlechip work power supply conversion circuit, a level conversion circuit, a singlechip, a singlechip peripheral circuit and a doffing signal isolation circuit, wherein the singlechip periphery circuit is also connected with the wire sensor signal input isolation circuit and the wire cutter signal output isolation circuit, and the intelligent control panel has the advantages that the control is accurate, the anti-jamming capability is high, the data is not easy to get lost, and the like.

The invention discloses an air door linked car arrester for a monorail crane. The air door linked car arrester comprises a door frame, a hanging anchor rod, a car arrester body, a monorail crane beam,and further comprises an interlocking rope and a transmission rope, wherein air doors capable of being opened and closed are symmetrically mounted inside the door frame; a first universal fixed pulley is arranged on the side wall of one side of the door frame, and a second universal fixed pulley is arranged on the upper part of the door frame; the hanging anchor rod is arranged in front of the air doors, and one side, close to the air doors, on the hanging anchor rod is provided with a third universal fixed pulley; the car arrester body is rotatably mounted on the hanging anchor rod; and themonorail crane beam is perpendicular to the air doors, and is positioned below the car arrester body. The air door linked car arrester for the monorail crane is simple in operation, is safe and reliable in performance, solves the technical problems about how to establish the air doors in a monorail crane transportation lane way and to protect air doors of the monorail crane, effectively prevents the air doors from being collided and damaged by the monorail crane in a transportation process, and guarantees stability and reliability of a mine ventilation system.

The invention provides a BCLC (Barcelona Clinic Liver Cancerstaging) model establishing method and a terminal. The BCLC staging model establishing method includes the steps: according to clinical dataof an HCC (Hepato Cellular Carcinoma) patient, creating a database, obtaining clinical data of a first quantity of patients from the database, obtaining a first data set, according to physiological parameters of each patient in the first data set, performing Child-Pugh grading, and obtaining a Child-Pugh grading result corresponding to each patient; and according to the diagnosis report of each patient in the first data set, obtaining the number of tumors, the tumor diameter, the portal vein tumor thrombus and the extrahepatic metastasis of the patient by means of the feature extraction method of keywords, thus by obtaining the corresponding BCLC staging result, according to the staging result, the grading results, the corresponding number of tumors, the tumor diameter, the portal vein thrombosis and the extrahepatic metastasis of each patient, obtaining the target model through construction. The BCLC staging model establishing method solves the problem of how to implement automated BCLC staging of HCC.

The invention discloses a software PLC instruction parse execution method including four steps of instruction decoding, instruction execution, logical state management, and function nesting management. The invention also discloses a PLC instruction parse execution system comprising an instruction decoding module, an instruction execution module, a logical state management module and a function nesting management module. The coupling between instructions is reduced, the system scalability is enhanced and the system stability and reliability are guaranteed.

The invention discloses an automatic thermal solution preparation device and method. The device mainly comprises an automatic feeding device, a sleeve pipe, an air pressure machine, an anemometer, a steel platform, a tank body, a jacket, a mixing device, a solution distributor and a controller, wherein a trace amount of low temperature liquid medium (such as purified water) is sprayed into the tank body via the solution distributor for real-time condensation of secondary steam rising in a thermal preparation process to remove the most harmful secondary steam; at the same time, the air pressuremachine is used for forming micro-positive pressure at a feeding end part to effectively isolate the residual secondary steam; and the device and the method can achieve an automatic thermal solutionpreparing or feeding process, effectively eliminate a negative effect of the secondary steam on powder, and greatly improve the production efficiency of drug preparations and quality stability of drugs.

The invention discloses a clothes accessory order processing method and system, equipment and a storage medium, and aims to solve the problems that the management and use of materials cannot be planned in the prior art and the production continuity cannot be achieved. The clothes accessory order processing method comprises the following steps: acquiring a plurality of clothes accessory orders, andrespectively identifying order codes; converting the plurality of clothing accessory orders into order data information, wherein the order data information comprises processes and materials; taking the clothes accessory order with the minimum order code as a reference order, searching an clothes accessory order similar to the reference order in the plurality of clothes accessory orders, and packaging the reference order and the clothes accessory order similar to the reference order into a first order group; and splicing the clothing accessory orders in the first order group according to processes and materials to obtain a spliced order.

A laborsaving center support of a two-wheel motorcycle mainly solves the problem that the two-wheel motorcycle is difficult to rest. The center support comprises a left landing leg and a right landing leg, wherein the tops of the two landing legs are both provided with installing holes which can be connected with a frame, the two installing holes have the same coaxial line; the upper parts of the two landing legs are connected together; a wide horizontal base plate is fixedly arranged on the bottom of each landing leg, wherein a lengthened foot pedal pole is fixedly connected with the outside bottom of the left landing leg, the foot pedal pole and the horizontal base plate are arranged on one plane; a hanger spring support is fixedly arranged on the left landing leg; and the connection of the front end of the horizontal base plate of the left landing leg and the left landing leg adopts arc transition. Therefore, the power of resting the motorcycle by a driver can be utilized to the maximum through the lever principle under the premise of ensuring the function and strength of the center support so that the motorcycle is simple and labor-saving to rest.