39results about How to "Realize automatic switching function" patented technology

The invention discloses a middleware self-management hot backup method in a cluster. When failure of a main service node in a cluster system occurs, backup nodes can automatically sense the failure, and nodes in the backup state are automatically transferred to an election state; and based on internal multicast, one or multiple novel main service nodes can be automatically elected from all the backup nodes according to pre-specified rules, and client service node switching is notified. The invention further provides a system for achieving the middleware self-management hot backup method in a cluster. The system and a service middleware system are deployed in the same machine, the system is used to call interface of an operation system and acquire corresponding operation information of the process of service middleware according to the set information of the service middleware, and then according to returned information, the system is used to determine self working status namely main status or backup status or election status. In different working status, different logic is performed. According to the middleware self-management hot backup method and the middleware self-management hot backup system in cluster, the middleware self-management hot backup system can determine self-working status through multicast election rules; and on the basis of multicast interworking, backup and switching of the entire system can be scheduled and managed, and self-management of monitoring backup is achieved.

The invention discloses an analog card switching method based on NFC. The analog card switching method based on NFC comprises: obtaining current user behavior data; matching the current user behaviordata with a preset user behavior data model, and determining a target type and target switching time of a to-be-switched simulation card; and generating a switching instruction according to the targettype and the target switching time of the analog card to be switched, and switching the type of the analog card to the target type according to the switching instruction when the target switching time is reached. The invention further discloses an analog card switching terminal based on NFC and a computer readable storage medium. According to the invention, an automatic switching function of theNFC simulation card is realized, troubles caused by manual switching are avoided, and the payment efficiency is improved.

The invention discloses a milk and milk foam switching system for a coffee maker, and the system provided by the invention comprises a control unit, a milk foam generator, a steam delivering pipeline for providing steam for the milk foam generator, a milk delivering pipeline for providing milk for the milk foam generator, and an air delivering pipeline for providing air for the milk foam generator, wherein a switching device for controlling the switching on and off of the pipelines is arranged on the air delivering pipeline and is electrically connected with the control unit, the switching device is controlled by the control unit to be switched on and off, when milk foams are made, the switching device is controlled by the control unit to be switched on and deliver air to the milk foam generator; and when hot milk is made, the switching device is controlled by the control unit to be switched off so as not to deliver air to the milk foam generator. In the invention, the control system is adopted to synchronously control the switching on and off of the pipelines so as to eliminate the original situation that the chosen making procedure and the finally finished product are inconsistent as a manual mechanical valve is not in correct position.

The invention relates to an adaptive front-lighting system (AFS) control system for the intelligent turning of a headlight of an automobile. The system is based on the control of a fuzzy neural network and is divided into two classes which are a hardware system and a software system. The hardware system comprises a master controller, an actuator, a sensor module and the like; and the software system comprises a master program and each subprogram. The invention particularly relates to the regulation of the horizontal and vertical directions of the light rays of a headlight, the realization of the function of automatic switching of far and near light, the preliminary aiming technology of the headlight and effective combination between the headlight and a global positioning system (GPS) navigation system. The structure and the curvature of a road in front are forecast as much as possible according to navigation information, and the light type of required lamplight is provided. According to the device disclosed by the invention, the intelligent control of the headlight of the automobile is realized. The AFS control system for the intelligent turning of the headlight of the automobile has the characteristics of energy saving, intelligence and long service life. The running safety of an automobile is increased. The AFS control system for the intelligent turning of the headlight of the automobile has better humanization and universality and has popularization value and use value.

The invention belongs to the technical field of motor speed regulation, and in particular to a switch reluctance machine sensor redundancy system and an automatic switching method. The switch reluctance machine sensor redundancy system is characterized by comprising a magnet ring supporting member connected with a motor shaft, a magnet ring fixed to the magnet ring supporting member, a plurality of sensor plates located on the periphery of the magnet ring, an interface circuit board connected to the plurality of sensor plates through signal lines, Ns Hall sensors disposed on the sensor plates,signal output interfaces I disposed on the edges of the sensor plates, two signal input interfaces I disposed on both edges of the interface circuit board, and a signal output interface II disposed on the interface circuit board, wherein the signal output interface II is connected with a motor control board. The switch reluctance machine sensor redundancy system provided by the invention has a simple connection with the outside world, high anti-interference ability and small error, is suitable for use in harsh environments, can realize an automatic switching function of faulty sensors, and prolongs the trouble-free running time of a speed regulating system.

The invention discloses an electric spark voltage-stabilizing power supply, which relates to the technical field of voltage stabilization control, and comprises a power supply feedback switching control module, a power switch control module, a signal sampling and conditioning module, a main control module, a PWM (Pulse Width Modulation) driving module, a pulse chopping module and a communication module, the power supply feedback switching control module is used for providing a power supply, the power switch control module is used for generating pulse current, the signal sampling and conditioning module is used for sampling and processing voltage and current signals, the main control module is used for receiving signals and outputting control signals and driving signals, and the PWM driving module is used for outputting pulses. The pulse chopping module absorbs surge, and the communication module is used for communication. The electric spark voltage-stabilizing power supply effectively inhibits pulse surge, does not need a high-voltage breakdown loop, realizes electric spark power supply on-off and automatic switching of a power supply feedback point, adopts the operational amplifier circuit and the voltage and current detection circuit, improves the detection precision of voltage and current, and further improves the voltage stabilization output precision.

The invention discloses an automatic throw-in device of a backup closing coil for a 10kV vacuum breaker. The automatic throw-in device comprises a backup coil auto-throw-in loop, an original closing loop, a control power source and a measurement and control device. The control power source comprises a control power negative end and a control power positive end. The backup coil auto-throw-in loop is characterized in that a control relay A is serially connected between an original closing coil and the control power negative end on the basis of the original closing loop; a series loop is parallelly connected between a normally closed assistant contact QF and the control power negative end; the series loop comprises the backup closing coil and a control relay B; the original closing loop is not changed. The backup closing coil is parallelly connected on the basis of the original closing coil, the backup closing coil can be automatically switched after an original brake coil burns out, power supply reliability is improved, service life of the closing coil is prolonged, and a closing coil operating environment is improved.

The invention discloses a numerically controlled edge milling machine and an automatic switching method thereof. The numerically controlled edge milling machine comprises a hairbrush, a hairbrush sleeve, a hairbrush sleeve transfer disc, a pressure foot, a pressure foot sleeve, a pressure foot sleeve transfer disc, a main shaft, a scrap-absorbing cover and a cylinder, wherein the hairbrush sleeve and the hairbrush are fixed together; the hairbrush sleeve transfer disc is used for placing the hairbrush sleeve; the pressure foot and the pressure foot sleeve are fixed together; the pressure foot sleeve transfer disc is used for placing the pressure foot sleeve; the main shaft can move up and down; the scrap-absorbing cover can move up and down with the main shaft; the cylinder can act on the hairbrush sleeve and the pressure foot sleeve; in the initial state, the hairbrush sleeve is fixed to the scrap-absorbing cover; after the main shaft is downwards moved to a selected place and the hairbrush sleeve departs from the scrap-absorbing cover, the main shaft can be fixed to the hairbrush sleeve transfer disc so that the hairbrush sleeve departs from the scrape-absorbing cover; the main shaft moves upwards, the scrap-absorbing cover can be moved to the position where the scrap-absorbing cover is jointed to the pressure foot sleeve, and the cylinder enables the pressure foot sleeve to be fixed to the scrap-absorbing cover to switch the pressure foot sleeve. According to the numerically controlled edge milling machine and the automatic switching method thereof, the pressure foot and the hairbrush can be automatically switched.

The invention provides a method for realizing automatic detection and switching of double network ports of a scheduling terminal. The method comprises the following steps: creating four global variables, namely a network port 1 enabling state value, a network port 2 enabling state value, a network card actual state value and an automatic switching flag bit; when automatic switching is carried out,setting the flag bit of automatic switching to be 1, judging the working state of the network port by reading the actual state value of the network card, and when manual switching is carried out, theflag bit of automatic switching is set to be 0, starting manual switching of the network port. According to the method, if the main network port goes wrong can be efficiently and quickly detected, the main network port can be switched to the standby network port in time, and the registration process initiated by the scheduling terminal to the soft switch is completed, so that the basic call and service functions of the scheduling terminal are better realized, and the stability and reliability of a scheduling terminal system are improved.

The invention relates to a courseware switching method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a courseware image from a corresponding courseware source access port according to a preset configuration rule under the condition that a device is accessed to a courseware source, and performing image change detection on the courseware image to obtain a corresponding detection result, wherein the detection result comprises change and no change; if the detection result is that the courseware image is changed, judging whether the current scene is a courseware scene or not; if the current scene is the courseware scene, not switching the scene, and resetting the courseware switching-out timer, wherein the courseware cut-out timer is used for realizing an automatic courseware cut-out function; and if the current scene is not the courseware scene, starting the courseware switching-out timer, switching out the current scene, switching in the courseware scene, and marking the current scene as the courseware scene. By adopting the method, the courseware switching efficiency can be effectively improved.

The invention belongs to the technical field of electric power, especially relates to one of the power system control technologies, and specifically provides a voltage monitoring system based on FPGA technology and a verification method. The voltage monitoring system comprises a monitoring server, a PT conversion module, and a display, a voltage monitor and a standard device are connected with the monitoring server via GPRS network cables, a relay device is connected between the other terminals of the voltage monitor and the standard device, and the standard device is connected with the monitoring system display. The voltage monitoring system is a 0.05-grade multifunctional apparatus and instrument intelligent remote verification system based on the FPGA, the labor intensity of on-site operation personnel can be greatly reduced, the on-site operating environment is improved, the automatic control level of the detection of voltage monitoring equipment is improved, and the safety index of on-site operation is increased.

The invention relates to an intelligent bed tool capable of automatically converting the space. The intelligent bed tool comprises parts such as a bed body, a movable cabinet body, a desk plate, a touch control panel, a controllable alarm clock, a bed head panel lifting device, an electric telescopic rod, controllable projection cloth, a central processor, a sliding mechanism and the like. Throughthe conversion of the cabinet body and the bed body, the automatic switching function of spaces of a living room, a bedroom and a home office can be realized; the problem of conflict between population and living house space can be solved. Through the designed cabin body structure, the electric pushing and smooth conversion of the cabinet body can be realized; in addition, articles such as quiltson the bed do not need to be cleared away in each switching state. A set of lazy man getting up system is designed; the help is provided for people with getting up difficulty. The designed bed tool has the internet of things function; through mobile phone software, the functions of room state switching, alarm clock setting and the like can be remotely controlled; the remote control and automaticcontrol on furniture can be realized.

The invention discloses a system and method for controlling automatic switch of multi-channel video signals. The system comprises a wireless video transmitting module, a plurality of video receiving modules, a plurality of signal extracting modules, a plurality of signal processing modules, a control unit, an execution unit and a video display; the wireless video transmitting module is used for transmitting wireless video signals; the video receiving modules are used for receiving the wireless video signals and transmitting the video signals into the signal extracting modules; the signal extracting modules are used for outputting voltage signals; the signal processing modules are used for processing the voltage signals and transmitting the processed voltage signals to the control unit; the control unit is used for judging the signals, outputting control signals and transmitting the control signals to the execution unit; and the execution unit is used for controlling the video display through transmission of the control signals, so that the video display displays a clear video. By adopting the scheme, continuous signals can be kept; and the problems of unclear video signals and the like due to poor wireless electromagnetic wave signals can be solved.

The invention relates to the technical field of auxiliary equipment of charging systems, and discloses an automatically-controlled screen cleaning device used for a charging system. The automatically-controlled screen cleaning device used for the charging system comprises a shell, wherein a working screen is arranged in the shell, photoresistors are fixedly connected with both sides of the working screen, piezoresistors are fixedly connected with the outer sides of the photoresistors, limiting rods are fixedly connected with both the top and the bottom of the shell, and a cleaner is fixedly connected with the inner sides of the limiting rods. According to the automatically-controlled screen cleaning device used for the charging system, through mutual cooperation of electromagnets and a permanent magnet, when the electromagnets are powered on, the electromagnets generate a magnetic field, the electromagnets and the permanent magnet repel each other due to same magnetism of opposite faces, the cleaner is driven to overcome friction resistance on the cleaner to move, primary cleaning is conducted through movement of the cleaner, an automatic product cleaning function is achieved, then movement of the cleaner is limited through mutual cooperation of the limiting rods and the cleaner, and thus the cleaner stops when moving to the other end, so that an automatic product control function is achieved.

The invention discloses an air compressor lubricating and cooling system, which comprises a first water pump and a second water pump, and is characterized in that the first water pump and the second water pump are connected with a frequency converter through a line, the frequency converter is connected with a PI controller through a line, the PI controller is connected with a water pressure sensor located at a water supplying pipeline of the first water pump and the second water pump through a line, an electrical main circuit of a control system is that a power line is respectively connected to the frequency converter through a first breaker, and connected to one end of a second alternating current contactor through a second breaker. The air compressor lubricating and cooling system uses the frequency converter to drive water pumps in a constant pressure water supply mode so as to adapt to different working condition requirements, and a better energy-saving effect can be achieved; the air compressor lubricating and cooling system can realize an automatic switching function, ensure the safe operation of a production line, and overcome threat of failures of water pumps or an electronic control system to the production line in operation.

The invention discloses a thermal imager expansion mirror device. The thermal imager expansion mirror device comprises an auxiliary mounting part and an expansion mirror assembly, wherein the auxiliary mounting part is connected to a thermal infrared imager (8); the expansion mirror assembly comprises an expansion mirror (1), is detachably mounted to the thermal infrared imager (8) through the auxiliary mounting part, and provides specification parameter information of the expansion mirror (1) for the thermal infrared imager (8) in a mounting state. The thermal imager expansion mirror device can automatically provide expansion mirror identification information for thermal imager equipment. Therefore, after the expansion mirror is mounted, the thermal imager equipment can automatically identify the type of the additionally mounted expansion mirror, and an automatic switching function is realized.

The invention discloses an auxiliary device for teaching management. The auxiliary device disclosed by the invention comprises a main body, wherein a plurality of vertically placed demonstration boards are arranged on the inner bottom surface of the main body, lifting devices are arranged on the left and right sides of each demonstration board, the lifting devices can drive the demonstration boards to move up and down, transfer devices are arranged on the two sides of the main body, the transfer devices and the lifting devices are arranged on the same side, a hoisting device is arranged in the main body, the transfer devices can drive the demonstration boards to move close to the hoisting device, each transfer device comprises a sliding block which can move close to or away from the hoisting device, second air cylinders are arranged on the side, facing the demonstration boards, of the sliding blocks, telescopic rods of the second air cylinders can be inserted into or separated from the demonstration boards, the hoisting device comprises a second supporting seat capable of lifting up and down, the lower portions of the demonstration boards can abut against the upper portion of the second supporting seat, and the second supporting seat can drive the demonstration boards to exceed the upper portion of the main body. According to the invention, different demonstration boards can be switched through the lifting devices, the transfer devices and the hoisting device, teaching of teachers is facilitated, the structure of the auxiliary device is simple and reasonable, and the practicability of the auxiliary device is good.

The invention relates to an automatic switching device and method for an optical fiber link of an automatic switch of a power system distribution network. The device comprises a first optical switch and a second optical switch on receiving and transmitting pigtails of FTU, TTU and DTU site switches, the first optical switch is connected with a first switch, the second optical switch is connected with a third switch, and the second switch is arranged between the first optical switch and the second optical switch. According to the invention, the problems of manually going to the site for temporary fiber jumping and connecting optical fiber links of upper and lower stations are solved, operation and maintenance personnel do not need to go to the site for disconnecting the temporary fiber jumping, an automatic optical fiber link switching function of the distribution network automatic switch is realized, and the problem of endangering three-remote signal interruption of a plurality of FTUs, TTUs and DTUs is effectively prevented.