36results about How to "Power real-time monitoring" patented technology

The invention provides a seepage flow and seepage pressure monitoring device, which belongs to the technical field of the safety monitoring of the reservoir dam. The invention is characterized in that the upper end of a water level sensor is connected with a control box to form the reservoir dam seepage flow and seepage pressure monitoring device; the water level sensor consists of a twin-core cable which is externally coated with a waterproof dermic layer; the cross section of the twin-core cable is of a infinity shape; the control box consists of a signal acquisition unit, a microprocessor, a wireless communication module, a battery pack and a voltage conversion unit; the signal acquisition unit can convert water level information and environment temperature information into digital information; the microprocessor can correct and calculate the digital information; the wireless communication module can send out water level calculation information; and the voltage conversion unit can carry out boosting conversion on the voltage of the battery pack and carry out real-time monitoring on the electric quantity of the battery pack. During monitoring, the device is arranged in a piezometer tube inserted into the dam body of the reservoir dam to carry out monitoring.

The invention discloses a mobile multi-functional power supply device. The mobile multi-functional power supply device comprises a shell and a battery pack, a battery electric quantity detection unit, a control system, a power generator set, a charging unit, an inversion unit and a current detection unit which are arranged in the shell, wherein an input end of the battery pack is connected with the power generator set and the charging unit, an output end of the battery pack is connected with an input end of the battery electric quantity detection unit, an input end of the inversion unit and an input end of the current detection unit, a single-phase power output end and a three-phase power output end of the inversion unit are connected with the input end of the current detection unit, an input end of the control system is connected with an output end of the battery electric quantity detection unit and an output end of the current detection unit, and an output end of the control system is connected with an input end of the power generator set, the charging unit and the inversion unit. The mobile multi-functional power supply device can move at any time and is convenient to use, enough electric quantity is provided, the power supply stability is ensured, various different power modes can be provided, and the power supply demands of different users are ensured.

The invention relates to a quantity of electricity reminding method and a system for a digital television set remote controller. The method and the system can monitor the quantity of electricity of the remote controller in real time, and remind a user visually of lack of electricity of the remote controller by means of lowering image quality of TV programs when detecting lack of electricity of the remote controller, so that the user can charge the remote controller or replace the remote controller with new batteries to ensure adequate electricity of the remote controller for normal use of the remote controller and the digital television set. The method and system substantially facilitates the user.

The invention discloses a power monitoring device and method. When an antenna is connected to a base station through a power divider, the device is installed between the power divider and the antenna.The device includes a first RF connector, a second RF connector, a first load, a second load, a processing module, a first detection diode and a second detection diode, and can improve the accuracy of power monitoring.

The invention discloses a hybrid electric vehicle power battery initial electric quantity algorithm, comprising: ANFIS construction, ANFIS network structure determination, selection of a Gaussian membership function as an input and output membership function, division of an input variable space, and calculation of battery initial electric quantity Q1 by using a BP neural network and an ANFIS model. According to the scheme, the algorithm can monitor the electric quantity of the power battery in real time. The service life of the power battery is prevented from being influenced by overcharging or overdischarging of the power battery. Through analyzing the charging and discharging process of the battery is analyzed, key parameters of SOC is determined, the test model is corrected on the MatLab platform. Comparison by experimental simulation shows that ANFIS has good adaptive ability and generalization ability. The initial electric quantity estimation error of the battery is reduced to belower than 3%. The method can be used for an intelligent monitoring system of the hybrid electric vehicle, a temperature compensation coefficient is added, the temperature influence is corrected through the temperature compensation coefficient, and the estimation precision can be better improved.

The invention discloses a battery power capacity detection method applied to an electrical device with a battery. The method comprises: detecting a current working state of an electrical device; calculating a power capacity state value of the current working state of the electrical device according to the current working state; determining whether the calculated power capacity state value changes;if so, calculating an effective power capacity of the battery. The effective power capacity of the battery is the battery power capacity keeping the minimum operating voltage of the electrical device. In addition, the invention also discloses an electronic device and a storage medium. When the working state of the electrical device changes, all power capacity states values that are in positive correlation with the effective power capacity of the battery in working states are calculated and iterative operation is performed to obtain the effective power capacity of the battery. Therefore, whether the power capacity of the battery can maintain the normal operation of the electrical device is monitored in real time.

The invention discloses a plate-fuel-element power calibration method for fuel consumption measurement. The flow quantity of different coolants passing through an irradiation test device is calculatedfor obtaining flow distribution coefficients of inner and outer flow channels of a test section; the nuclear power of a plate fuel element and the total heat release power of the test section are utilized for obtaining initial values of the nuclear power of fuel element cores and the gamma heat release rate of each structural material, and the heat source and the distribution in the test sectionare preliminarily determined; a geometric structure model is utilized for building a calculation model; the gamma heat release rate of the material is determined through iterative calculation; the nuclear power of the fuel element is determined; and the fuel consumption of the fuel element is determined. The method is used for determining real-time fuel consumption values of the test fuel element,so that the fuel consumption irradiation index of the fuel element can be realized. The influence of the gamma release heat of the structural material is stripped through a certain analysis mean andmethod, and the error of the fuel nuclear power is reduced when fuel consumption in a fuel irradiation test is measured by a thermal balance method, so that the calibration of the fuel nuclear power in the irradiation test process of the fuel consumption measurement is realized.

The invention discloses a charger with a take-up function. The charger comprises an ABS insulating protecting box, a metal connecting terminal, a liquid crystal display screen, a small transformer, abreaker, a wiring board, an automatic winder and a power supply cable, wherein the metal connecting terminal is arranged on one side of the ABS insulating protecting box; the liquid crystal display screen is mounted on the top of the ABS insulating protecting box through a groove; the automatic winder is mounted on one side of the ABS insulating protecting box through a screw; the power supply cable is arranged in the automatic winder; the small transformer is mounted on one side in the ABS insulating protecting box through a screw; the metal connecting terminal is connected to the input end of the small transformer through a first connecting wire; the wiring board is welded to the other side in the ABS insulating protecting box; and the breaker is mounted between the small transformer andthe wiring board. The charger with the take-up function is reasonable and simple in design, convenient to operate, good in stability, high in reliability, good in safety and suitable for wide popularization.

The invention relates to a method for measuring the shaft torque, rotary speed and power parameters of a power device based on double cameras. The method comprises the following steps: synchronously acquiring two sets of image sequences S11-S1n and S21-S2n on the premise of no load; adding the load and synchronously acquiring two sets of image sequences A11-A1m and A21-A2m; obtaining any one pair of images A1i and A2i with a synchronous corresponding relationship in A11-A1m and A21-A2m; performing correlation operation on A1i and S11-S1n to obtain a reference image S1i with the highest correlation; performing correlation operation on A2i and S21-S2n to obtain a reference image S2j with the highest correlation; finding a reference image S2t synchronously corresponding to S1i in S21-S2n in time, wherein the distance between S2t and S2j is the torsional displacement delta s of the two ends of a shaft, and the torque is obtained through a formula as shown in the description. According to the method, the precision is relatively high and the structure is simple.

The invention discloses a power failure preventing solar street lamp system, which comprises a remote control center, a mobile storage battery and a plurality of field storage batteries, and is characterized in that each field storage battery is connected to a plurality of street lamps and provides power for the plurality of street lamps, the field storage battery comprises a wireless communication unit and a remaining power monitoring unit, the mobile storage battery is arranged on a movable carrier, the movable carrier is provided with a wireless communication device, and the mobile storage battery can charge the field storage batteries; and the wireless communication unit sends monitoring signals to the corresponding remaining power monitoring unit to a remote monitoring center in real time, and the remote monitoring center dispatches the mobile storage battery according to the monitoring signals to charge the corresponding field storage battery. The street lamp system disclosed by the invention can prevent a circumstance that lighting cannot be provided because of power failure.

The invention discloses a pull type rutting checking vehicle. The pull type rutting checking vehicle comprises a vehicle body, wheel devices arranged under the vehicle body, a driving device for driving the wheel devices to rotate, and a controller electrically connected with the driving device, wherein the vehicle body is provided with two side panels oppositely arranged left and right; each of the side panels is provided with an anticollision mechanism which comprises one or more rotatable anticollision wheels, and the anticollision wheels are axially arranged in the height direction parallel to the side panels. The controller is arranged, so that the driving device is controlled to act, and further controls the wheel devices to rotate, so that the purpose of remote control of the rutting checking vehicle is realized, and breeders can be prevented from being collided, damaged and bit by boars. In addition, the anticollision mechanisms are respectively arranged on two sides of the rutting checking vehicle, and the anticollision wheels are arranged, so that the side panels of the vehicle body cannot be in direct contact with positioning fences in a friction manner, the vehicle body can be prevented from being worn, torn and damaged, and the service life of the vehicle body is prolonged; besides, the anticollision wheels are arranged, so that reduction of friction between the outer walls of the positioning fences is facilitated, and the running resistance is reduced.

The invention relates to a steam feed pump state monitoring system based on data mining. The steam feed pump state monitoring system comprises a data acquisition module, a performance monitoring module, a fault diagnosis module and an interface display module, the data acquisition module comprises a data acquisition unit, a data transmission unit and a data storage unit, and the data acquisition unit acquires an operation data set of the number of steam feed pumps and stores the operation data set to the data storage unit through the data transmission unit; the performance monitoring module calculates a performance data set according to the operation data set; the fault diagnosis module comprises a parameter screening unit and a fault prediction unit, the parameter screening unit performs dimension reduction processing on the operation data set through a KPCA algorithm to obtain a dimension reduction data set, and the fault prediction unit inputs the dimension reduction data set into a trained fault prediction model to obtain a fault prediction result of the steam feed pumps; and the interface display module is used for displaying the performance data set and the fault prediction result. Compared with the prior art, the requirements for real-time state monitoring and fault diagnosis of the steam feed pumps are met.

The invention discloses an energy regulation and control platform of a valley electric energy storage water source heat pump, which comprises a plurality of heat pump units, wherein the front ends ofthe heat pump units are all connected with a flowmeter, a pressure sensor, a temperature sensor and an intelligent electric meter; The energy meter, flowmeter, intelligent electric meter and water pump frequency converter are in communication connection with the control cabinet through Modbus communication protocol; the pressure sensor, temperature sensor, electric valve I and electric valve II are in communication connection with the control cabinet through analog signals; the network phone and network camera are in communication connection with the switch through network; the switch is connected with the industrial computer and monitoring center through network cables. According to the invention, an energy regulation and control platform of the valley electric energy storage water sourceheat pump is constructed, the automatic control level is improved, and the system automatically judges the operation strategy of the peak and valley electric periods through the control strategy, sothat the host computer is always kept in the best performance state, and peak shaving and valley filling can be realized, thereby saving energy and reducing consumption.

The invention discloses a fitness equipment power generation system. The fitness equipment power generation system comprises a speed changer driven by rotary fitness equipment to rotate, a rack and pinion mechanism driven by swing-type fitness equipment to rotate, a first compressor driven by the speed changer to work, a second compressor driven by the rack and pinion mechanism to work, a gas storage unit for storing gases output by the first compressor and the second compressor, a pneumatic motor driven by the gas storage unit to work, and an electric generator driven by the pneumatic motor to work. An electric energy output end of the electric generator is connected with a charging control unit, an output end of the charging control unit is connected with a storage battery, the storage battery is connected with an electric quantity detection unit, the electric quantity detection unit is connected with the charging control unit, and the charging control unit is connected with a display used for displaying the electric quantity of the storage battery. The fitness equipment power generation system provided by the invention can effectively convert the mechanical energy generated during rotation of fitness equipment into electric energy, and is simple in structure and low in production cost.

The invention discloses a heater based on a diesel filter. The heater comprises a filter body. The top of the filter body is movably connected with a heating top cover, and the middle of the inner wall of the heating top cover is fixedly connected with a heating bar. A temperature sensor is fixedly connected to the inner wall of the heating top cover and one side of the heating bar. A storage battery and an electric quantity sensor are fixedly connected in the heating top cover. The heater based on the diesel filter avoids the situation that a diesel filter at the current market does not have the heating performance, the problem that in winter, the inner temperature of the diesel filter is low is solved, and the situation that unable starting of a vehicle is extremely prone to being caused is prevented. Normal work of the vehicle is guaranteed, automatic heating treatment is achieved, and unnecessary difficulty is lowered; and normal usage is guaranteed for users, the electric quantity in the storage battery is monitored in real time, and normal work of the heater is guaranteed.