Network system based on certification and telemanagement method thereof

This invention provides a kind of network system and remote management method that based on authentication. This network comprises a client-end, a network server and a database. Among which the network server further comprises a service-end module, a CGI interface module and a command management module. The service-end module provides a kind of identity authentication function to the network system, and receives and sends the request command from the client-end. The CGI interface module can receive the request command from the service-end module, and submit to command management module. The command management module can process or scan the network system data in the database according to the request command, then feedback the processed result to user.

Semi-intermittent oligosaccharide production reactor

The utility model provides a semi-intermittent oligosaccharide production reactor. Comprising a working platform, a reactor body arranged on the working platform, a feeding hole formed in the reactor body, a rotating motor erected above the reactor body, a frequency converter arranged on the rotating motor, and a stirring rod fixedly connected with a rotating shaft of the rotating motor, the stirring blade is arranged on the stirring rod; and the discharge holes are formed in the side wall of the lower end of the reactor body. The ultrafiltration membrane on the lower portion of the stirring piece can separate oligosaccharide with the small polymerization degree from oligosaccharide with the large polymerization degree, the concentration sensor monitors the liquid concentration all the time and transmits data to the single-chip microcomputer, the single-chip microcomputer controls the electromagnetic valve in real time, and therefore the concentration of the liquid can be accurately detected ...

Adapter convenient for positioning trace sample on analyzer and sample frame

The present invention relates to an adapter convenient for positioning a trace sample on an analyzer, the adapter comprises: a tube body, the tube body is provided with an accommodating chamber, the accommodating chamber is used for accommodating a tube body part of a centrifuge tube; a first through hole is formed in the pipe body, and the first through hole is communicated with the accommodating chamber; a turning cover limiting part for limiting a turning cover of the centrifugal tube is formed at the top of the tube body. After the structure is adopted, the device has the beneficial effects that a user can conveniently and directly place a small amount of samples, calibration products and quality control products on an analytical instrument for testing by using the centrifugal tube, and does not need to worry that a sample adding needle is collided or damaged; and after the centrifugal tube is used, the turning cover of the centrifugal tube can be continuously covered for next use, ...

Hanging clamp, hanging device and hanging carrying system

According to the hanging clamp, the hanging device and the hanging carrying system, by arranging the clamping piece opposite to the mounting frame, the clamping area can be formed, and the clamping area is used for clamping the hanging track, so that the hanging clamp is fixed to the hanging track, the stability of the hanging clamp is improved, the possibility of falling off is reduced, and the possibility of safety accidents is reduced; the operation assembly adjusts the clamping area through the guide assembly and the transmission assembly so as to adjust the working states of the hanging clamp and the hanging rail, a user can complete switching of the working states of the hanging clamp through the operation assembly, the operation difficulty is low, the user can use the hanging clamp conveniently, and the use experience of the user can be improved; by arranging the guiding assembly capable of being switched between the guiding state and the locking state, a user controls the working ...

Systems and method of authentication network

A authentication network systems include a client, a web server and a database, the client provides user friendly configuration interface for the network systems, the database stores some systems configuration data. The web server includes a server module, a CGI (Common Gateway Interface) module and a command manager module, the server module provides user authentication and receives a request from the client, the CGI module receives the request from the server module, the configuration module receives the request from the CGI module and operates the systems configuration data, the configuration module further return the result to the user.

Explosion-proof intelligent on-off switch for 10kV power distribution network

The invention discloses an explosion-proof intelligent on-off switch for a 10kV power distribution network, and the switch comprises a housing, one end of the housing is provided with two first conductive columns in a penetrating manner, the other end of the housing is provided with a second conductive column in a penetrating manner, the interior of the housing is provided with a mounting seat through a driving mechanism, and the mounting seat is provided with four arc-shaped grooves which are arranged at equal intervals. Arc-shaped conductive blocks are fixed in arc-shaped grooves in the two ends of the mounting base, a guide mechanism is mounted on the mounting base, the arc-shaped conductive blocks are connected with second conductive columns through second wires, a partition plate is mounted in the shell through a support, and conductive balls are mounted on the two sides of the partition plate through elastic mechanisms. The conductive ball and the first conductive column are connected ...

Bus voltage pre-adjustment method based on load change

The invention discloses a bus voltage pre-adjustment method based on load change. The bus voltage pre-adjustment method comprises the following steps of S1, directly displaying a full-area heavy and overload main transformer/line to a dispatching automation system platform through a man-machine display interface; s2, automatically analyzing the heavy overload condition of the line/main transformer according to time periods, forming a report form, predicting the heavy overload condition possibly occurring in the current time period according to historical data, and timely reminding dispatchers to take preventive measures in advance; and S3, predicting the line/main transformer load change condition in the next time period according to the historical operation data of the line/main transformer load. According to the invention, the accuracy and effectiveness of power grid operation management and control by scheduling personnel can be practically improved, the scheduling personnel can be timely ...

Angle bead frock

The utility model discloses an angle bead frock, wherein, this angle bead frock is including being used for the positive bearing plate in butt display device's bight and being used for the both sides board of butt display device's the adjacent both sides in bight face respectively, the both sides board connect respectively in the adjacent both sides of bearing plate, the bearing plate with the both sides hoarding is established and is become to be used for the adaptation to accept the angle chamber in display device's bight, the internal surface in angle chamber is equipped with first anti -skidding structure. The utility model discloses the angle bead frock that technical scheme provided is used for the less important work personnel to carry display device to avoid the operation personnel to appear because of the touching display screen causes display screen fish tail or ruptured phenomenon at transport display device's in -process.

Method for judging grounding position of line

The invention discloses a method for judging the grounding position of a line, and the method comprises the following steps: S1, collecting the zero-sequence current information of an intelligent switch of a line with a grounding fault within one year, carrying out the analysis, and carrying out the analysis through combining with the actual position of the fault found on site; s2, sorting zero-sequence current of all the intelligent switches and uploading data; s3, the development software generates disconnection of a certain intelligent switch by the distribution network automation master station to isolate the grounding point, and the dispatcher executes disconnection of the switch to isolate the grounding point after verification is correct; and S4, the development software directly executes the distribution network automation grounding selective tripping intelligent switch program in a closed-loop manner by the distribution network automation system. The grounding position can be quickly ...

Reagent bottle capable of reducing liquid level fluctuation

The invention discloses a reagent bottle capable of reducing liquid level fluctuation and belongs to the technical field of reagent bottles, the reagent bottle comprises a reagent bottle body, a bottle opening is formed in the upper end of the reagent bottle body, a baffle is arranged in the reagent bottle body, and a hollowed-out groove is formed in the middle of the baffle. When the reagent bottle moves, the reagent can fluctuate up and down along the inner wall of the reagent bottle body due to centripetal force in the moving process, the fluctuation amplitude of the liquid level of the reagent can be greatly reduced due to the action of the baffle, and the reagent can quickly reach a balance state again, so that the problem of reagent needle pollution or inaccurate sampling caused by liquid level fluctuation is avoided; the influence on the effective volume of the reagent bottle is small, the retention of the reagent on the baffle plate is prevented, and the effective utilization rate ...

Method for judging fault point of 10kV line of distribution network

The invention discloses a method for judging a fault point of a 10kV line of a distribution network, which can accurately point out a power failure range so as to greatly reduce the fault finding time, thoroughly realize the change of a non-intelligent switch fault positioning mode from'intuition and experience 'to'relying on intuition and accuracy', greatly improve the power supply reliability and improve the power supply reliability. And the fault finding time is expected to be saved by more than 90%.

Cross-platform communication library and communication method thereof

The invention relates to a cross-platform communication library and a communication method thereof, and the cross-platform communication library is a universal software communication library. A universal platform technology is adopted, adopted bottom layer calling is packaged, and the cross-platform communication library is adaptive to software products on different operating system platforms. The cross-platform communication library and the communication method are mainly used for communication between network endpoints in meetings. A UDP message is used for carrying communication information, a heartbeat mechanism is used for guaranteeing normal connection of networks, ACK response is used for guaranteeing an information loss retransmission function, various meeting terminal software on different system platforms can be connected through the same communication library, and the cross-platform communication library can be suitable for various system platforms after development in one time ...

Protection device of main transformer for 10kV power distribution network

The protection device comprises a mounting plate, a transformer shell is mounted at the top of the mounting plate, an oil storage tank and a transfer tank are mounted at the bottom of the mounting plate, a heat dissipation pipe is connected between the oil storage tank and the transfer tank, and a cooling fan used for blowing cold air to the heat dissipation pipe is mounted at the bottom of the mounting plate. An oil outlet pipe is connected between the oil storage tank and the transformer shell, an oil return pipe is connected between the transfer tank and the transformer shell, and an oil well pump and a filter are installed on the pipe section of the oil return pipe. According to the transformer, the interior of the transformer can be well cooled, the transformer can be protected, meanwhile, detection can be conveniently carried out, and fire extinguishing operation can be conveniently carried out in the first time.

Overhead traveling vehicle and overhead traveling vehicle fault processing system

An overhead traveling vehicle and an overhead traveling vehicle fault processing system are provided. The overhead traveling vehicle includes: an overhead traveling vehicle main body; a main walking part, installed on the overhead traveling vehicle main body and configured to drive the overhead traveling vehicle main body to walk on tracks; an auxiliary walking part, installed on the overhead traveling vehicle main body and configured to drive the overhead traveling vehicle main body to walk on the tracks; and a control part, configured to control one of the main walking part and the auxiliary walking part to be on the tracks and to control the other one of the main walking part and the auxiliary walking part to leave the tracks.

Systems and method of authentication network

Control method, device and medium for operation of 50mw backpressure steam turbine

A control method for ultra-low load operation of a 50MW backpressure steam turbine is provided according to the present invention, which includes: obtaining a real-time backpressure value of the backpressure steam turbine; determining an upper limit value of a real-time main steam flow rate according to the real-time backpressure value and a preset corresponding relationship between a backpressure value and an upper limit value of a main steam flow rate; and controlling the backpressure steam turbine to operate according to the upper limit value of the real-time main steam flow rate. The present invention belongs to the technical field of power generation equipment and achieves the technical effect of determining the upper limit value of the real-time main steam flow rate according to the real-time backpressure value, which can prevent the blade of the backpressure steam turbine from being overloaded, realize the ultra-low load operation of the 50MW backpressure steam turbine, and greatly improve the operation flexibility of the unit.