31results about How to "Realize intelligent protection" patented technology

An industrial control network security protection monitoring system performs real-time prevention and protection on industrial equipment of the industrial control network, and realizes network security protection monitoring through an acquisition layer, an analysis layer, a function layer and a display layer based on an integrated application platform, wherein the display layer mainly displays security trend, system topology and industrial control panorama; the acquisition layer comprises the acquisition of network data traffic and the recording of industrial control network operations; the analysis layer mainly comprises data processing, data association, data aggregation, data modeling, and integrated interfaces of other function modules; and the function layer mainly comprises monitoring audit, intrusion prevention, vulnerability mining, and data isolation. The system provided by the invention protects and protects industrial equipment in real time through the intelligent protectiontechnology of the industrial network control system, monitors and audits the data information of the entire industrial control network through the monitoring and auditing technology to prevent the industrial control network from being attacked externally, and can also have the vulnerability mining function of the industrial control network to escort the entire industrial control network security.

The invention discloses an intelligent roller shutter system based on the image processing technique. The intelligent roller shutter system comprises a master control module, a meteorological station, a camera, a GPRS module, an oscillating bar and a roller shutter motor. According to the intelligent roller shutter system, an intelligent weather recognition system based on weather images is established with the master control module serving as a data processing and controlling platform, rain, snow and other severe weather conditions can be effectively judged by collecting the temperature, the humidity, the illumination, the wind speed and direction and other weather information in the meteorological station outside a greenhouse and combining the weather images so that the rolling-up and the pavement of a heat preservation quilt can be controlled in time. By means of the positioning technology of the heat preservation quilt, an operator can accurately control the heat preservation quilt to be located at any position between the initial position and the ending position of the heat preservation quilt when carrying out long-distance operation or operating in a control chamber. Meanwhile, the fault can be intelligently diagnosed, the working state of a roller shutter motor can be monitored in real time, and when the roller shutter motor breaks down, the master control module automatically cuts off a power source of a roller shutter, and therefore the whole system can be safe and reliable.

The invention discloses a tracked self-adaptation pipeline crawler. The tracked self-adaptation pipeline crawler comprises a clamping unit, a crawling unit and a control unit. The crawling unit comprises two caterpillar track unit sets, wherein two driven bevel gears, two tension wheels and a driving bevel gear are jointly connected with a bevel gear caterpillar track in a transmission mode to form one caterpillar track unit set. The control unit comprises an electrically controlled box; the electrically controlled box is further connected with all synchronous motors in a control mode; each synchronous motor is provided with a torque sensor. The tracked self-adaptation pipeline crawler solves the problems that an existing crawler in the prior art can not adapt to different-pipe-diameter cable paving in a horizontal well and an extended reach well, is not enough in driving force, can not crawl in a bent pipeline, is not consistent in inner side and outer side speed and poor in well section adhesive force, and can be applied to occasions like oil exploration and urban pipeline laying.

The invention relates to a low-pressure vacuum switch, which comprises the insulated arc extinguishing chamber 1 in piston cylinder structure, and internal movable and stable contactors 2 and 3; the stable contactor is fixed inside the copper frame 6 packign the outer end of chamber; and it has outward one-way valve 7 connecting the outer space of arc extinguishing chamber; the chamber and the frame 8 have three groups of permanent magnets 9 between them, whose two polar axles are symmetry; the magnetic poles of nearby groups and nearby permanent magnets are reversed; the middle of frame is mounted with current mutual inductor 10; the lower part is mounted with current voltage magnetic detacher 11; the lower part of switch frame is mounted with hand-operated gate button 16; the piston rod is mounted with close compression spring 18 and open spring 19; the current mutual inductor, the current voltage magnetic detacher are connected to the intelligent protective controller 24 outside the frame. The invention has better vacuum degree, long service life of contactor, stable electromagnetic detachment, and low cost.

The invention discloses an overheat, overcurrent and overvoltage lightning protector, which comprises a flame-retardant plastic shell and lightning protection units encapsulated in the flame-retardant plastic shell; each lightning protection unit further comprises a first temperature fuse FU, a metal oxide varistor MOV connected with the first temperature fuse FU and a second temperature fuse FU' arranged beside the metal oxide varistor MOV and used for carrying out thermal monitoring. The invention further discloses a manufacturing method of the lightning protector and a lightning protection circuit. The lightning protector provided by the invention is simple in structure and the preparation method is simple and easy; when the lightning protector is applied to the lightning protection circuit, not only is the problem that a lightning-protection air switch and a lightning arrester are difficult to match solved, but also the collision between the lightning arrester and the standard specification in the actual application is avoided. Due to adoption of a lightning protection monitoring and alarming unit connected with the second temperature fuse, when the lightning protector is abnormal, an alarm can be given actively, so that intelligent lightning protection, monitoring alarm and active maintenance are achieved.

The invention discloses an intelligent power grid detection platform based on cloud computing. The intelligent grid detection platform comprises a main monitoring computer and a slave monitoring computer. The slave monitoring computer is in online communication with the main monitoring computer. The input end of the slave monitoring computer is connected to a power supply and a clock, and the output end is connected to a printer. The slave monitoring computer is connected to a man-machine interface, a communication server and a communication gateway through an Ethernet switch. The man-machine interface is connected to a microcomputer protection device and a temperature and humidity controller through an RS485 bus. The communication server is connected to a power meter and an electric motor protector through an RS485 bus. The communication gateway is connected to an intelligent circuit breaker, a four-remote unit, and a DC screen through an RS485 bus. According to the intelligent grid detection platform, the main monitoring computer and the slave monitoring computer are set, hierarchical monitoring, regional monitoring, centralized control and remote monitoring are facilitated, thus the monitoring efficiency is improved, at the same time the rational use of resources is facilitated, and the intelligent power transmission and distribution, intelligent monitoring and intelligent protection of a whole power grid are facilitated.

The invention relates to the technical field of motor drive and control, in particular to an intelligent protection method and device for constant torque starting and overloading of a separately excited or permanent magnet direct current motor. The device comprises a current closed-loop adjusting unit, a pulse width adjusting unit and a control unit. According to the protection method, intelligentprotection of constant torque starting control and overloading of the direct current motor is realized through motor working current closed-loop detection, a PI adjustor, a PWM variable voltage control technology and a current square attenuation algorithm. The motor is safely started at the maximum speed in an electric drive process, and the motor is scientifically and reasonably protected when the motor is instantaneously overloaded due to load disturbance in a steady-state operation process, so that the working efficiency and the performance of the motor and the robustness of an electric drive system are improved as much as possible on the premise of ensuring safe application of the motor.

The invention relates to a lithium battery charging and discharging control device, in particular to a lithium battery charging and discharging control system for a novel solar street lamp. The control system mainly comprises a single chip microcomputer controller, multiple lithium batteries, electromagnetic relays, a discharging loop and a charging loop, the electromagnetic relays are electrically connected with the lithium batteries to form multiple levels of battery pack control circuits, a first pin of the electromagnetic relay of one battery pack control circuit is electrically connected with a second pin of the electromagnetic relay of the next battery pack control circuit, when charging and discharging failures exist in one lithium battery in a detection battery pack of the singe chip microcomputer controller, the lithium battery is disconnected with the charging loop and discharging loop by controlling the corresponding electromagnetic relay to be disconnected, charging and discharging operations of other lithium batteries are not influenced, electricity is constantly supplied to the street lamp, reliability and safety of the charging and discharging operations are effectively guaranteed, and charging and discharging of the lithium batteries are intelligently controlled.

The invention relates to a distance induction automatic temperature control electric hair dryer. The distance induction automatic temperature control electric hair dryer mainly solves the problems that the outlet air temperature of an existing electric hair dryer cannot automatically control the temperature along with the distance change between an air blowing hole and hair, the hot air with higher temperature is prone to damaging the hair quality of the hair or scalding a scalp. The distance induction automatic temperature control electric hair dryer is characterized by further comprising a single chip microcomputer (3), an infrared probe (4) and a silicon controlled rectifier (5), the infrared probe (4) is connected with the two signal input ends (pin 5, pin 6) of the single chip microcomputer (3), the signal output end (pin 7) of the single chip microcomputer (3) is connected with a resistor (R3) in series and then connected with the control electrode of the silicon controlled rectifier, and a normally-closed contact (K1/2) of a function switch is connected between a heating circuit (1) and a blowing circuit (2). According to the distance induction automatic temperature control electric hair dryer, the infrared probe is utilized for detecting the distance between the air blowing hole and the hair (or the scalp), heating wires are intelligently controlled to power off, and the damage of the hot air with high temperature to the hair or the scalp can be avoided.

The invention provides a cathode protection potential follow-up control system under an oil and gas intelligent pipeline framework. Comprising an intelligent test pile RTU (remote terminal unit), a communication base station, a cloud server, a station control system of an SCADA (supervisory control and data acquisition) system and a cathode protection potentiostat. All the devices work cooperatively to form a cathode potential follow-up control system, and an intelligent development framework of comprehensive sensing, data intercommunication, auxiliary decision making and intelligent management and control is achieved. The method comprises the following steps: acquiring parameter information such as potential, current, environment temperature and humidity, corrosion rate and soil parameters (moisture content, PH value and oxygen content) at a test pile along an oil and gas pipeline, fusing multi-parameter data, establishing an optimization model, dynamically optimizing, determining an optimization value of the current pipeline cathode protection potential, controlling the output of a cathode protection potentiostat, and determining the cathode protection potential of the pipeline. The protection reliability is greatly improved, manpower and material resources are saved, and the problems that dead zones exist in cathode protection, pipeline parameters cannot be monitored in real time and the like are solved.

The invention discloses a lightning arrester test device and a lightning arrester test system. In the test process, when a tester or a non-tester enters a lightning arrester test area by mistake, a detector can detect an intruding person and sends a current signal to warning equipment to trigger the warning equipment to operate, and the tester or the non-tester is warned, so that the tester or thenon-tester can avoid danger in time; when the lightning arrester finishes the test operation or the lightning arrester does not start, an induced voltage device cannot induce the voltage, so that thedetector is disconnected from an external power supply or is kept disconnected from the external power supply, namely the detector is in a stop working state, and thus, the service life reduction caused by excessive work of the detector is effectively avoided. Therefore, the lightning arrester test device automatically performs early warning on personnel mistaken entry in the test process, automatically stops the operation of the detector in the non-test process, realizes intelligent protection, and greatly improves the safety in the lightning arrester test process.

The invention relates to the field of data communication and the field of optical transmission technology, in particular to a multi-routing selection method and device. The method includes: pre-configuring a working path and at least one protection path for the transmission service, and configuring the routing mode of each node; when any link fails, the nearest downstream node M of the faulty link sends a fault notification message, and sends a fault notification message to the downstream Nodes are transmitted step by step; after any node N downstream of node M receives the fault notification message, if N is a selective node and the link receiving the fault notification message is on the working path, the transmission service will be switched to the protection path , the failure notification ends; if N is a transparent transmission node, the message will continue to be transparently transmitted to the downstream node of node N. The invention can judge and switch according to the node routing mode, quickly switch the transmission service to the protection link when necessary, realize the intelligent protection and fast switching recovery of the transmission service, and enhance the reliability of the network.

The invention discloses an intelligent protector for a three-phase asynchronous motor and a control method thereof. The protector comprises a single chip microcomputer, a three-phase current signal processing circuit, a three-phase current mutual inductor, a man-machine conversation circuit, a power circuit, a relay output circuit, an alarm circuit and a communication circuit. The single chip microcomputer is connected with the three-phase current signal processing circuit, the man-machine conversation circuit, the power circuit, the relay output circuit, the alarm circuit and the communication circuit separately, the three-phase current signal processing circuit is connected with the three-phase current mutual inductor, and the three-phase current mutual inductor is used for being connected with the three-phase asynchronous motor and detecting the current in the three-phase asynchronous motor. According to the intelligent protector, for the motors of different powers, the three-phasecurrent mutual inductor for detecting the current only needs to be replaced, and the intelligent protector for the motor does not need to be replaced; partial protection parameters do not need to be manually set, and the intelligent protector has the parameter self-learning capacity.

The invention provides an alternating- current metal armored movable switch device for protecting a circuit, which comprises a motion output box, the right side surface of the motion output box is fixedly connected with the left side surface of an armored box, the front side surface of the armored box is provided with an upper limiting plate and a lower limiting plate, the lower side surface of the upper limiting plate is in contact with the top end of a movable door, the upper side face of the lower limiting plate makes contact with the bottom end of the movable door, the rear side face of the movable door makes contact with the rectangular groove, the rectangular groove is formed in the front side face of the armored box, the circuit protection box, the alternating current generation box, the upper conductive column and the lower conductive column are arranged in the armored box, the left end of the upper conductive column and the left end of the lower conductive column extend into the circuit protection box, and the right ends of the upper conductive column and the lower conductive column extend into the alternating current generation box. According to the technical scheme, the technical problems that in the prior art, non-contact door opening is not achieved, and intelligent power-off protection and alternating current conversion cannot be achieved are effectively solved, and application and popularization are facilitated.

The invention relates to an intelligent opening and closing device based on a translation window. The intelligent opening and closing device based on the translation window comprises a window body assembly, a window opening and closing assembly, a typhoon-resisting assembly and an intelligent control assembly. The window body assembly comprises a window frame and a plurality of translation windowbodies which are arranged on the window frame and can translate on tracks set on the window frame, the window opening and closing assembly is connected with at least one translation window body, the typhoon-resisting assembly is arranged on the window frame, the typhoon-resisting assembly and the window opening and closing assembly are connected with the intelligent control assembly, and the intelligent control assembly comprises a controller and a plurality of sensors. Compared with the prior art, the intelligent opening and closing device based on the translation window has the advantages ofbeing efficient, simple, high in safety and the like.

The invention discloses an intelligent adjustment and safety protection device for a water tank or a pool. The intelligent adjustment and safety protection device comprises a ball float valve connected with the water tank, and a solenoid valve connected with the ball float valve. The intelligent adjustment and safety protection device for the water tank or the pool provided by the invention has asimple structure and can realize intelligent protection of the water tank; when the water tank level reaches a set level, a floating ball rises and drives a connecting rod to move upwards, so that theball float valve body is closed; after the ball float valve body is closed, the pressure in an upper cavity of a valve flap increases, so that an upper valve flap and a lower valve flap are closed, thus overflow of the water tank is effectively prevented; the ball float valve is simple in structure and easy to manufacture; when the float valve is damaged and the water level of the water tank overflows, through the action of an electric valve, the safety of a pump house can be effectively ensured; in the water consumption peak period, the device is closed, and the water tank stores water for users; and in the water consumption valley period, the valve is opened through the front-end water pressure feedback to store water in the water tank.