38results about How to "Reduce the probability of misoperation" patented technology

The present invention provides an intelligent household electrical appliance control device, method and system. The intelligent household electrical appliance control device comprises a voice recognition module, an action module and at least one distance recognition module; the at least one distance recognition module is used for detecting whether a trigger object exists in a preset recognition range; the voice recognition module is used for recognizing received first voice information after the at least one distance recognition module detects that a trigger object exists in the recognition range, and judging whether the first voice information is a preset voice instruction; and the action module is used for executing an action of an intelligent household electrical appliance after the voice recognition module judges that the first voice information is a voice instruction, wherein the action of the intelligent household electrical appliance is corresponding to the voice instruction. With the intelligent household electrical appliance control device, method and system provided by the technical schemes of the invention adopted, the probability of the malfunction of the intelligent household electrical appliance can be decreased.

The embodiment of the invention discloses a scheduling sequencing operating system based on an intelligent robot. The scheduling sequencing operating system is characterized by comprising an intelligent operation ticket system, an anti-error function module, a dispatching intelligent command platform and an automated PCS9000 system; the anti-error function module and the operation ticket system are connected to be used for realizing the anti-error requirement of the operation ticket system, an anti-error rule is dynamically discriminated, order giving is automatically terminated, and an alarmis triggered; and the dispatching intelligent command platform and the automated PCS9000 system achieve automatic control through sequencing operation, sequencing is used for achieving automatic judgment after checking of the anti-error function module after ticket discharging of the operation ticket system, a polling robot is accessed in the judgment process, the intelligent command platform andthe automated system are interconnected, the requirements for five-prevention checking and tide checking can be met, effective communication between dispatching and the site can be achieved, the efficiency of grid dispatching operation is improved, the probability of misoperation is reduced, and efficient and reliable operation of a power grid is achieved.

The invention belongs to the nuclear power plant instrument control field and provides a processing method and system of a nuclear power plant distributed control system. The method includes the following steps that: information transmitted by a current acquisition and processing board is received, wherein the information includes ranging codes of first current signals and significance bits of the current acquisition and processing board; whether the current acquisition and processing board is in a ranging switching state is judged according to the received information; and when the current acquisition and processing board is in the ranging switching state, delay time for transmitting second current signals to anticipated transients without trip (ATWT) protection is determined according to the received information which is transmitted by the current acquisition and processing board, wherein the second current signals are determined according to the ranging codes and analog quantity of the first current signals. With the processing method and system provided by the embodiment of the invention, the probability of misoperation of the ATWT protection can be decreased.

In the present invention, the circuit includes sampling unit, detection unit, output unit and executing unit. A transformer is connected between the sampling unit and the detection unit, the AC wave generator circuit in the secondary side provides drive current and the AC voltage in the primary side is applied across the detection electrodes. The detection unit includes current-to-voltage converter circuit, rectifier and filter circuit, comparator circuit, and executing circuit to send out signal. The present invention has simple structure, small size, less error action. The detection circuitand the tested circuit are separated electrically and this can protect the detector, avoid interference, avoid the damage of the detection electrodes, increase their service life, and monitor the tested environment in real time.

The invention discloses a leakage current detection protection circuit of a direct-current remote supply power system. The circuit comprises a leakage current sampling module, a positive ground leakage current detection protection module, a negative ground leakage current detection protection module, a leakage current protection signal reporting module, and an MCU control module for controlling shut-down operation of the direct-current remote supply system. The input terminals of the positive ground leakage current detection protection module and the negative ground leakage current detection protection module are respectively and electrically connected with the leakage current sampling module; the output terminals of the positive ground leakage current detection protection module and the negative ground leakage current detection protection module are respectively and electrically connected by the leakage current protection signal reporting module; and the leakage current protection signal reporting module and the MCU control module are electrically connected. According to the invention, the requirement that the impedance to the ground of the output positive-negative line is larger than 1-M ohm can be met, thereby realizing to-the-ground transmission suspension power supply outputting; and the probability of leakage current misoperation can be substantially reduced.

The invention relates to an over-speed dynamic capture hydraulic system for rail transportation carts and belongs to an automatic protection system for over-speed of rail transportation carts. A hydraulic device comprises a signal detection portion, a pressure relief portion, a liquid charging portion, an execution portion and an oil tank. A P2 port of a NO.2 throttling valve of the throttling valve is connected with a K port of a pilot operated check valve of the pressure relief portion. A liquid outlet of a primary filter of the signal detection portion is connected with a P1 port of a NO.5 check valve of the liquid charging portion. A B port of a NO.1 insertion valve and a B port of a NO.2 insertion valve of the pressure relief portion and a P2 port of a NO. 7 check valve of the liquid charging portion are connected with a liquid inlet and a liquid outlet of a brake oil cylinder piston rod cavity of the execution portion. Oil return ports of the signal detection portion, the pressure relief portion, the liquid charging portion and the execution portion are connected with the oil tank. A plurality of brake oil cylinders are arranged on the execution portion. The hydraulic system is high in detection accuracy, capable of achieving rapid braking during over-speed of tramcars, good in brake effect, low in false operation rate, high in safety and reliability, low in worker workload and adaptable to work conditions with various transportation speed requirements.

An intelligent electric quantity acquisition system comprises an intelligent electric energy meter, a data collector, a power line modulator-demodulator 2, a low voltage power grid, a power line modulator-demodulator 1, a concentrator, a modulator-demodulator 2, a data communication network, a modulator-demodulator 1 and a remote server meter reading center. The data collector is embedded in the intelligent electric energy meter, converts the acquired power consumption data into a data format suitable for the electric power carrier wave transmission via the power line modulator-demodulator 2 and outputs and transmits via the low voltage power grid, the data of the low voltage power grid carrier wave transmission is carried out the data format conversion via the power line modulator-demodulator 1, and the data after the format conversion is transmitted to the concentrator. The concentrator is equipped with a Flash memory, and is used to pre-store the data transmitted by the data collector according to a set time interval to be convenient for the data backup. The intelligent electric quantity acquisition system of the present invention has the advantages of good reliability, accurate data, strong adaptability, complete function, small module size and low power consumption.

The present invention relates to a speed interaction system capable of making an electronic equipment product proper response to the speech given out by a user. Said system includes a detection module, an identification module, an action module, a timing module and a switching module. Said invention also provides its speech interactive method.

The invention discloses an intelligent meter reading concentrator system. The intelligent meter reading concentrator system comprises an intelligent electric energy meter, a data acquisition device, a second power line modem, a low-voltage power grid, a first power line modem, a concentrator, a second modem, a data communication network, a first modem and a remote server meter reading centre, wherein the data acquisition device is embedded into the intelligent electric energy meter, and converts the electricity consumption data acquired through the second power line modem into a data format which is suitable to be transmitted by a power carrier and outputs and transmits the electricity consumption data through the low-voltage power grid; the data which are transmitted by the carrier of the low-voltage power grid are subjected to data format conversion through the first power line modem; the data which are subjected to the format conversion are transmitted to the concentrator; the data acquisition device is provided with a visual graphic interface, and has the communication functions of RS232 (Recommend Standard 232), RS485 (Recommend Standard 485), a full-speed USB (Universal Serial Bus) interface, IrDA (Infrared Data Association), infrared and Bluetooth. The intelligent meter reading concentrator system has the advantages that the acquired data are accurate and reliable, the power consumption is low, and the operation interface is simple.

The invention relates to a charging pile locking mechanism comprising a control signal input module, an optocoupler isolating module, a signal processing module, a driving module, a power sampling module and a locking mechanism module, wherein the control signal input module is connected with the optocoupler isolating module, the optocoupler isolating module is connected with the signal processing module, the signal processing module is connected with the driving module, the driving module is connected with the locking mechanism module, and the optocoupler isolating module, the signal processing module and the driving module are connected with the power sampling module; and the optocoupler isolating module isolates a control signal received by the control signal input module and then inputs the control signal to the signal processing module, then the control signal is processed by the signal processing module and then is output to the driving module, and the driving module performs current amplification and then drives the locking mechanism module so as to control the locking mechanism to lock and unlock a charging gun plugged into a charging pile.

The invention relates to an intelligent electric energy measuring remote metering system which comprises an intelligent ammeter, a data acquisition unit, a second power line modulator-demodulator, a low-voltage power network, a first power line modulator-demodulator, a concentrator, a second modulator-demodulator, a data communication network, a first modulator-demodulator and a remote server meter-reading center, wherein the data acquisition unit is embedded on the intelligent ammeter and is used for automatically collecting, treating and sending the electricity consumption information and the charging information of the monitored electric equipment; the data acquisition unit is used for converting the collected electricity consumption data into the data format fit for power line carrier transmission through the second modulator-demodulator and performing output transmission through the low-voltage power network; the data which are transmitted in a carrier manner by the low-voltage power network is subjected to data format conversion through the first power line modulator-demodulator; and the data after format conversion are transmitted to the concentrator. The intelligent electric energy measuring remote metering system provided by the invention has the advantages of high technical level, high reliability, data accuracy, good adaptability, complete function, small module volume and low power consumption.

The invention discloses a signal amplification type automatic irrigation control system based on a voltage compensation circuit. The signal amplification type automatic irrigation control system is characterized by mainly consisting of a control chip U3, a diode D2, a detecting probe Q1, a detecting probe Q2, a resistor R2, a resistor R1 and the like, wherein the resistor R2 is connected in series between the detecting probe Q1 and a P pole of the diode D2; the resistor R1 is connected in series between the detecting probe Q1 and a VIN tube pin of the control chip U3. The signal amplification type automatic irrigation control system has the advantages that a current signal output from the control chip can be subjected to amplification processing, so that the control chip well recognizes the signal and outputs an accurate control signal, and the control precision of the control system on a water pump is greatly improved.

The invention relates to the field of flight control, in particular to a stall protection control system of an aircraft. The stall protection control system is suitable for the aircraft with a simplemechanical control system or a mechanical power assisted control system. The natural stall characteristics of the aircraft may have the risk of entering a stall and deviation state, do not meet the requirements of relevant provisions of airworthiness and affect the safety of the use of mission modes. The stall protection control system of the aircraft controls an elevator control lever by virtue of a control computer and an electromechanical actuator, wherein a fan-shaped wheel is fixedly mounted on a rocker arm of an elevator control mechanism; and the two ends of the fan-shaped wheel are separately connected to the electromechanical actuator through a steel cable. When the aircraft stalls, the control computer collects flight parameter signals and sends an instruction to the electromechanical actuator, and the electromechanical actuator rotates to drive the elevator control lever to move so as to prevent the aircraft from entering a stall state. The stall protection control system ofthe aircraft effectively prevents the aircraft from entering the stall state, reduces the steering burden of a pilot, and improves the safety of the aircraft.

The invention discloses a reactor control room system which comprises a digitizer control system at the background of a control room, and a man-machine interaction facility, a digitizer control systemsignal output unit, a digitizer control system signal input unit and a fault diagnosis unit which are arranged in the control room, wherein the man-machine interaction facility specifically comprisesa computer operator working station and a voice recognition unit. Due to adoption of a fault diagnosis and voice recognition system of the reactor control room system disclosed by the invention, automatic voice broadcasting of fault information and issuing of voice operation instructions can be achieved, the working efficiency of an operator can be improved, mal-operation can be reduced, layout can be optimized, and demands on the space of the control room can be reduced. The working efficiency of operators in abnormal situations can be effectively improved, the probability of mal-operation of the operators can be reduced, meanwhile, the number of operator working stations and operators in the control room can be reduced, and furthermore, the demands on the space of a main control room can be reduced.

The invention discloses a signal amplification type automatic irrigation control system based on a protective circuit. The signal amplification type automatic irrigation control system is characterized in that the system is mainly composed of a control chip U3, a diode D2, a detection probe Q1, a detection probe Q2, a resistor R2,the protective circuit, a resistor R1 and the like, wherein the resistor R2 is connected between the detection probe Q1 and a P pole of the diode D2 in series, the protective circuit is connected with a VIN pin of the control chip U3, and the resistor R1 is connected between the detection probe Q1 and the protective circuit in series. By the adoption of the signal amplification type automatic irrigation control system, a current signal output to the control chip can be amplified and thus can be well recognized by the control chip, and a precise control signal is output, so that the accuracy of control over a water pump can be improved greatly.