34results about How to "Current real-time monitoring" patented technology

The invention relates to a management system combining secondary water supply with DMA leakage loss management. Data of a GIS system, SCADA system, business charge system and the like can be integrated for comprehensively displaying the secondary water supply and DMA production and sale differences. Functions include the secondary water supply and DMA partition overview, DMA community production and sale difference analysis, secondary water supply management of a DMA community and abnormal alarming of water pressure and water quality. The provided management system combining the secondary water supply with the DMA leakage loss management overcomes the defect that existing secondary water supply management and DMA leakage loss management are both functionally separated and are independent;management functions of the two parts are organically combined, a flow monitoring value in the secondary water supply is used in third-level analysis of the DMA community, and a pressure monitoring value in the secondary water supply is used in evaluation of DMA community leakage loss analysis. Under the condition of satisfying normal water use of the community, the pipe network leakage loss rateof the community is gradually decreased.

The invention discloses a contact network state on-line monitoring / detection device based on public network transmission, comprising a plurality of lower computers and remote upper computers which are installed on a return circuit; the upper computers communicate with the lower computers through a GPRS / GSM wireless network; and a mobile phone can control part of the functions of the lower computers. The remote computer comprises a node operation panel, a power supply monitoring panel, a sampling parameter configuration panel, a time display / recording panel, and a data display / extraction and analysis / computer panel; the lower computer comprises a main control chip, a trigger circuit, a switch circuit, a sampling module, a power supply monitoring module, a data transmission module, a data transmission auxiliary module, a data transmission switch module, a time service module, a start-up module, an audio sensor module, a state monitoring sensor module, and a self-power supply module. The lower computer utilizes various sensors to collect the state parameters of the contact network structure, current, environment and the internal of the device, and the upper computer displays the obtained state parameters in the panels and records to finally generate a technology report. The invention can collect various state parameters, and realizes full-day, unmanned and independent work.

The invention discloses a multi-energy complementary offshore energy integrated power generation system, which comprises a wind power generation system, a photovoltaic power generation system and an ocean temperature difference energy power generation system, and is also equipped with an energy storage system and a seawater desalination system. The output voltage of the ocean temperature difference energy power generation system is subjected to voltage stabilization, voltage regulation and constant current treatment through an AC / DC bidirectional inversion device, and the output voltage is stable. An energy storage battery pack is charged through a charging and discharging module, and charging is stopped when the electric quantity of the battery pack reaches a set upper limit. When the AC / DC bidirectional inversion device charges the energy storage battery pack, if a load needs electric energy, a DC / AC inserter carries out conversion and outputs electricity suitable for the load to theload. According to the scheme, more types of energy are integrated for multi-energy complementation, offshore energy is fully utilized, and the light energy power generation system, the wind energy power generation system and the ocean temperature difference energy power generation system are coupled to solve the problem of comprehensive and efficient utilization of energy is.

The invention relates to an education robot and a control method thereof, in particular to a breaststroke teaching demonstration robot based on speech recognition, and a control method of the breaststroke teaching demonstration robot. The robot is a multi-degree-of-freedom humanoid robot, is provided with robot kinematic joints consistent with human body kinematic joints, and comprises robot leg systems, a robot body system, robot hand systems, a robot head system, a robot power system and a control system. The control method comprises the steps: after the robot is started, situations of all the parts of the robot are detected, whether all surrounding obstacles are larger than safe threshold values or not is detected, and the left leg system, the right leg system, the left hand system, theright hand system, the robot head system and the robot body system are controlled along with speech to move in a coordinated mode according to breaststroke teaching actions. The learning efficiency and the teaching quality can be improved, the urban-rural teaching gap is narrowed, and the breaststroke teaching demonstration robot can overall and flexibly cooperate with teaching demonstration, hasthe characteristics of being good in flexibility, high in intelligent degree, simple in structure and low in cost, and is easy to use and popularize.

The invention discloses a remote monitoring system for a switch machine. The remote monitoring system comprises a host machine and at least one acquisition machine, wherein the acquisition machine is provided with a switch quantity acquisition module and an analog quantity acquisition module, which are respectively connected with a second data transmission module; the switch quantity acquisition module is used for acquiring information of an indicating lamp of the switch machine through an external switch quantity sensor; and the analog quantity acquisition module is used for acquiring action current of the switch machine through an external analog quantity sensor. The remote monitoring system disclosed by the invention is mainly applied to monitoring of the switch machines of S700K distributed turnouts, and monitoring equipment can be installed in an Siwes2 distributed turnout controller for recording the action current and switch quantity states of the S700K switch machine in various traction points and transmitting to a signal work area point on the premise of not affecting existing equipment, so that the requirements of maintenance staff on real-time monitoring of the current and fast analysis of problems of turnout states and turnout conversion process can be met.

The invention relates to a series-mode nickel-metal hydride battery charging and discharging motor, which comprises a charging and discharging unit used for charging and discharging a nickel-metal hydride battery, a motion unit used for clamping the nickel-metal hydride battery and a general controller used for controlling operations of the charging and discharging unit and the motion unit, wherein the charging and discharging unit comprises a power supply cabinet, a charging and discharging power supply, a power supply, a power supply control board, an alarm and a heat dissipation device; themotion unit comprises a motion mechanism cabinet and a clamping mechanism used for clamping the nickel-metal hydride battery, the clamping mechanism comprises an upper probe board assembly, a lower probe board assembly, a driving cylinder, a guide rod, a clamping frame, a tray and a controller. The series-mode nickel-metal hydride battery charging and discharging motor has the beneficial effectsthat a constant-current charging and discharging process can be performed on cylindrical nickel-metal hydride batteries on the tray under a rated current condition, real-time monitoring can be performed on parameters such current, voltage and tray temperature of the batteries in the charging and discharging process, and a corresponding curve is depicted. The series-mode nickel-metal hydride battery charging and discharging motor adapts to dimensions of the cylindrical nickel-metal hydride batteries which change in height and size within a certain range, and is simple and convenient in producttype changing operation.

The invention belongs to the field of a circuit breaker control system, and in particular relates to an intelligent monitoring system of a switch of a branch circuit. The intelligent monitoring system comprises a circuit breaker and a controller, wherein the circuit breaker is arranged on the branch circuit and comprises a current transformer and an analog to digital converter, the current transformer and the analog to digital converter are connected with the controller, the controller is used for controlling the circuit breaker to be switched off and on and comprises a control module, the current transformer transmits a detected current signal to the analog to digital converter, the analog to digital converter is used for converting the current signal into a digital signal and transmitting the digital signal to the control module of the controller, and the control module compares the digital signal with a preset original signal and controls the circuit breaker to be switched on and off. The intelligent monitoring system disclosed by the invention has the advantages of carrying out real time monitoring on the current of the branch circuit in a switch cabinet, preventing the switch cabinet and a current main circuit from being damaged due to overlarge current of the branch circuit, being capable of realizing automatically switching off and manually controlling the circuit breaker to switch off, improving the safety of the switch cabinet and prolonging the service life.

The invention discloses a multipurpose wrench comprising a handle. The multipurpose wrench is characterized in that a connecting part is arranged on the upper portion of the handle, and a plurality of openings are formed in the connecting part; a current detecting device is installed on the connecting part. Further, a hexagonal sleeve hole is formed in the lower portion of the handle. A protecting layer made of insulating material is arranged on the handle. Due to the fact that current detecting device is arranged on the connecting part and the connecting part is made of conductive material, the current detecting device can detect whether the working portion has a current all the time. Due to the cylindrical screw cap openings and the oval screw cap opening of the connecting part and the hexagonal sleeve hole of the handle, the purpose that one wrench corresponds to various screw caps is achieved, and functions of the wrench are increased. The wrench can detect the current in real time and is multipurpose, safety of a worker is ensured, and using cost is reduced.

The invention provides a cable sheath protector monitoring system which comprises a current transformer, a remote monitoring terminal, a control circuit board, a battery case, a secondary protection mechanism and a fixed base plate. The control circuit board and the remote monitoring terminal are correspondingly connected through a wireless network. The control circuit board, the battery case, and the secondary protection mechanism are arranged on the fixed base plate. The secondary protection mechanism comprises a movable connection bracket, a pushing mechanism and a second cable sheath protector. The battery case, the pushing mechanism and the second cable sheath protector are connected to the control circuit board correspondingly. Through the current transformer in the invention, the current in the cable sheath protector can be monitored in real time, the problems of a cable can be timely found, when the original cable sheath protector of the cable sheath has a problem, the secondary protection of the cable sheath can be carried out through starting the second cable sheath protector.

With mounting switch unit between batteries in battery pack, the switch control is made for each battery that balances the difference in initial charging state of each battery infecting charging and discharging efficiency.

The invention discloses a deep sea thermocline environment oil pipeline cathode protection process simulation device and belongs to the technical field of oil pipeline cathode protection. The simulation device comprises a plurality of pipelines accommodating seawater with different temperatures. Each pipeline is internally provided with a sacrificial anode, a reference electrode and a simulation subsea pipeline used for simulating the oil pipeline. The multiple pipelines are connected in sequence. A sand filter plate is connected between the two adjacent pipelines. The simulation subsea pipelines axially penetrate through the centers of the corresponding sand filter plates. The simulation subsea pipelines are connected with the corresponding sacrificial anodes. Voltage acquisition devicesare electrically connected between the simulation subsea pipelines and the corresponding reference electrodes. The deep sea thermocline environment oil pipeline cathode protection process simulation device can be used for simulating an inhomogeneous medium environment when the simulation subsea pipelines pass through a thermocline to be laid to acquire cathode protection parameters and facilitatessimulation study on the oil and gas pipeline cathode protection process under the deep sea thermocline environment.

The invention relates to the technical field of transformer substations, in particular to a prefabricated box-type transformer substation which comprises a box-type transformer substation shell, a mounting base and a transformer; the transformer is arranged in the box-type transformer substation shell, the box-type transformer substation shell is fixed above the mounting base, and partition platesare arranged in the box-type transformer substation shell. The box-type transformer substation shell is divided into a low-voltage chamber, a high-voltage chamber and a transformer chamber by the partition plates, a voltage monitoring module, a current detection module, a temperature monitoring module, a 4G transmitting and remote control module and a controller are arranged in the high-voltage chamber, the low-voltage chamber and the transformer chamber, and an isolation screen is further arranged in the low-voltage chamber. And a power supply output terminal of the isolation screen is sequentially connected with a low-voltage incoming line intelligent circuit breaker and an intelligent power utilization controller in series. By means of the technical scheme, the working state of the transformer substation can be monitored in real time, and mutual switching between a common transformer substation and the transformer substation with the isolation function can be achieved.

The invention provides a single lamp energy-saving monitoring and management system, including a monitoring center, a wireless control module, a single lamp concentrator, a single lamp controller, an information collection module and a driving control module. By the sensor network constructed by the system, the system achieves real-time monitoring of parameters such as voltage, current, active power, on-off state and rate of lighting lamps, and also achieves functions of street lamp theft resistance, positioning and tour inspection.

The invention relates to the technical field of power transmission lines, and particularly discloses a comprehensive power transmission line fault on-line monitoring system. The system comprises a current monitoring device, a weather monitoring device and a video monitoring device which are jointly connected with a data storage module, the data storage module is connected with a database module, the database module is connected with a data analysis module, the data analysis module is connected with a signal transmitting module, and the signal transmitting module is connected with a cloud server. By adopting the current monitoring device, the current of a line can be monitored in real time, an obtained signal is compared with an original signal in the data storage module, so that the problem of the line can be quickly analyzed and positioned, the diagnosis efficiency is improved, and the compared signal transmits analyzed information to the cloud server through the signal transmitting module; and the line problem is processed through remote analysis.

The invention relates to a device and a method for power management of explosion-proof electrical equipment. The device comprises a power supply and a plurality of electric equipment groups located in a plurality of electric branches, a plurality of electronic switches which are positioned in each electric branch and are connected with a power supply and electric equipment, a current sensor which is positioned between the electronic switch and the electric equipment group and is used for detecting the current of each electric branch, a signal conditioner which is connected with the plurality of electric equipment groups, and is used for adjusting the signals of the current sensor to a range capable of being processed by the CPU and adjusting the control signals to a level at which the electronic switch can be turned on and turned off, and a communication circuit, a clock circuit and a memory which are respectively connected with the CPU. According to the device and the method disclosed by the invention, the current of each electric branch is monitored, and overcurrent protection is realized according to set parameters; load current of each electric branch is monitored and recorded, and the load current is sent to the control host to provide useful data for fault analysis and load balance; and the fault reset and on-off control functions of each electric branch can be realized under the condition that the door cover of the explosion-proof shell is not opened.

The invention provides an on-line monitoring system for the electrical performance of multi-channel photovoltaic modules, and the on-line monitoring system at least comprises three sub-loop systems: apower supply loop system which is provided through an internal DC wide-voltage power supply system and enables the input of a plurality of photovoltaic modules to meet the energy supply of the operation of a monitoring loop system, a monitoring loop system which at least comprises a monitoring element used for acquiring electrical data of a plurality of photovoltaic modules in real time, and an internal control system used for analyzing the acquired electrical data, and ae communication loop system which comprises a monitoring loop system internal communication loop and an external communication loop for monitoring internal and external communication of the loop system. The system monitors the voltage, the current, the power and the temperature of the photovoltaic module in real time, andprovides reliable data support for operation and maintenance of a power station; the overall power consumption is low, power generation of a photovoltaic power station is not affected, and the real-time state of the assembly is truly reflected; and long-time digital on-line monitoring is realized, effectiveness and correctness of all parameters are ensured, and detection errors are small.

The invention discloses a passive and wireless current sensor device. By means of resonant electric energy acquisition technology, electric energy acquisition efficiency is improved, furthermore a capacitor is charged through a rectifying and voltage doubling circuit. After enough amount of electric energy is acquired, a single-chip microcomputer in a standby state is waken up. The single-chip microcomputer converts voltage which is acquired by another mutual inductor circuit to a current value of a cable. Furthermore the single-chip microcomputer transmits the data to outside by means of a wireless transmission module. The passive and wireless current sensor device has advantages of realizing no requirement for power supplying by an external power supply, setting a cable current monitoring problem, preventing high-voltage electric shock, and effectively reducing power supplying cost and maintenance cost.

The invention relates to a dry type geothermal cable system with an automatic over-current protection function, and belongs to the field of geothermal heating. The system comprises a heat insulation layer paved on the ground, wherein the surface of the heat insulation layer is provided with a groove used for containing a geothermal cable; a heat-conducting layer is embedded into the groove of theheat insulation layer, and the geothermal cable is laid in the groove with the embedded heat-conducting layer, a current detection device is arranged in the groove with the embedded heat-conducting layer, an aluminum plate is laid above the heat-conducting layer, and a grounding wire is connected to the aluminum plate, a decoration layer is laid on the aluminum plate, and the grounding wire and the geothermal cable are connected with a power supply; the current detection device is connected with a comparison circuit, and the comparison circuit is connected with the power switch, a preset temperature upper limit value is stored in the comparison circuit; the geothermal cable comprises a heating wire; and an insulating layer is wrapped outside the heating wire.

The invention relates to the technical field of electric appliance safety maintenance, in particular to an electric appliance safety early warning system which comprises a monitoring unit, a communication unit, a cloud platform, a control unit and an early warning display unit. The monitoring unit is used for continuously monitoring monitoring points in the electrical appliance equipment in real time; the communication unit is connected with the monitoring unit, the cloud platform, the control unit and the early warning display unit, the control unit comprises an imaging module and an early warning judgment module, the imaging module is used for converting real-time data into image signals; the early warning judgment module is used for storing a threshold value interval, comparing the real-time data with the stored threshold value interval, and according to a comparison result, judging whether an early warning signal is sent; and the early warning display unit is used for outputting the early warning signal. The system has the beneficial effects that due to the automatic monitoring and early warning functions, production halt and major accidents caused by equipment faults are effectively avoided, and the management and the maintenance cost of electrical equipment is greatly reduced.

The invention discloses a contact network state on-line monitoring / detection device based on public network transmission, comprising a plurality of lower computers and remote upper computers which are installed on a return circuit; the upper computers communicate with the lower computers through a GPRS / GSM wireless network; and a mobile phone can control part of the functions of the lower computers. The remote computer comprises a node operation panel, a power supply monitoring panel, a sampling parameter configuration panel, a time display / recording panel, and a data display / extraction and analysis / computer panel; the lower computer comprises a main control chip, a trigger circuit, a switch circuit, a sampling module, a power supply monitoring module, a data transmission module, a data transmission auxiliary module, a data transmission switch module, a time service module, a start-up module, an audio sensor module, a state monitoring sensor module, and a self-power supply module. The lower computer utilizes various sensors to collect the state parameters of the contact network structure, current, environment and the internal of the device, and the upper computer displays the obtained state parameters in the panels and records to finally generate a technology report. The invention can collect various state parameters, and realizes full-day, unmanned and independent work.

The invention relates to a dry type geothermal cable system with an intelligent over-current protection function, and belongs to the field of geothermal heating. The system comprises a heat insulationlayer paved on the ground, wherein the surface of the heat insulation layer is provided with grooves used for containing geothermal cables; a heat conduction layer is embedded into the grooves of theheat insulation layer, and the geothermal cables are laid in the grooves with the embedded heat-conducting layer, a current detection device is arranged in the grooves with the embedded heat-conducting layer, an aluminum plate is laid above the heat-conducting layer, and a grounding wire is connected to the aluminum plate, a decoration layer is laid on the aluminum plate, and the grounding wire and the geothermal cables are connected with a power supply; the current detection device is connected with a controller, and the controller is connected with the power switch, a preset temperature upper limit value is stored in the controller; the geothermal cable comprises a heating wire; and an insulating layer is wrapped outside the heating wire.

The invention provides a cable sheath protector monitoring system which comprises a current transformer, a remote monitoring terminal, a control circuit board, a battery case, a secondary protection mechanism and a fixed base plate. The control circuit board and the remote monitoring terminal are correspondingly connected through a wireless network. The control circuit board, the battery case, and the secondary protection mechanism are arranged on the fixed base plate. The secondary protection mechanism comprises a movable connection bracket, a pushing mechanism and a second cable sheath protector. The battery case, the pushing mechanism and the second cable sheath protector are connected to the control circuit board correspondingly. Through the current transformer in the invention, the current in the cable sheath protector can be monitored in real time, the problems of a cable can be timely found, when the original cable sheath protector of the cable sheath has a problem, the secondary protection of the cable sheath can be carried out through starting the second cable sheath protector.

The invention discloses an anti-reverse input system for an automobile controller power supply. The system comprises a power supply, a voltage regulation module, a fault protection module, an anti-reverse input circuit and an automobile controller, wherein the power supply is electrically connected with the voltage regulation module, the voltage regulation module is in communication connection with the fault protection module, the fault protection module is in communication connection with the anti-reverse input circuit, the anti-reverse input circuit is in communication connection with the automobile controller, and the anti-reverse input circuit comprises a PMOS transistor, a diode, a resistor R1 and a resistor R2. According to the invention, the anti-reverse input circuit is arranged, the PMOS tube is used for replacing an anti-reverse diode, and when the controller is just powered on, the PMOS tube is not conducted, and the power supply supplies power to the controller through thefly-wheel diode of the PMOS tube at the moment, and when the power supply of the controller rises to a certain voltage, the PMOS tube is completely conducted, the controller bypasses the diode, and the power is completely supplied through the PMOS tube, so that the tube voltage drop of the diode is eliminated.

The invention discloses a remote monitoring system for a switch machine. The remote monitoring system comprises a host machine and at least one acquisition machine, wherein the acquisition machine is provided with a switch quantity acquisition module and an analog quantity acquisition module, which are respectively connected with a second data transmission module; the switch quantity acquisition module is used for acquiring information of an indicating lamp of the switch machine through an external switch quantity sensor; and the analog quantity acquisition module is used for acquiring action current of the switch machine through an external analog quantity sensor. The remote monitoring system disclosed by the invention is mainly applied to monitoring of the switch machines of S700K distributed turnouts, and monitoring equipment can be installed in an Siwes2 distributed turnout controller for recording the action current and switch quantity states of the S700K switch machine in various traction points and transmitting to a signal work area point on the premise of not affecting existing equipment, so that the requirements of maintenance staff on real-time monitoring of the current and fast analysis of problems of turnout states and turnout conversion process can be met.

The invention discloses a new energy electric vehicle battery pack current and temperature control system, which comprises a base and a battery control module, wherein a battery pack is fixedly connected to position which is close to the middle of the top of the base, vertical rods are fixedly connected to the positions which are close to the four corners of the top of the base, air supply pipes are fixedly connected to the opposite sides of the two vertical rods, a fixing plate is fixedly connected to the top of the vertical rods, a groove is formed in the bottom of the fixing plate, a fan isfixedly connected to the top in the groove, and the fan is communicated with a first exhaust pipe through an exhaust port formed in the top of the fan. According to the new energy electric vehicle battery pack current and temperature control system, through the design of a voltage detection module, a current detection module, a resistance detection module and a protection system, the voltage, thecurrent and the resistance of the battery pack can be monitored in real time, and once an abnormal condition occurs, a driver can be prompted in time and the power-off protection device is automatically started to provide a good protection function for the battery pack.

The invention relates to a generation system monitoring device based on cloud calculation, which comprises a power supply port, a power supply management module, a processor module, a data monitoringmodule, a data display module, a data storage module, a wireless communication module and an internal power module; the wireless communication module performs data interaction with the cloud calculation server and the cloud database. Through monitoring the voltage and current of the power generation system in real time, the voltage and current are uploaded to the cloud calculation server and the cloud database through the wireless communication method, so as to timely find out exception, actively remind and avoid the serious loss.

The invention discloses an intelligent transformer switch cabinet. The intelligent transformer switch cabinet comprises a switch cabinet body, a piezoelectric type touch screen, an instrument board, awork indicating lamp, articulated shafts, idler wheels, a storage battery, a switch cabinet electric appliance component, a transformer, a voltmeter, an ampere meter, a controller, a feeder switch collecting module, a solar cell panel and a supporting column. The intelligent transformer switch cabinet is characterized in that the instrument board is mounted at the upper end of the front part of the switch cabinet body; the working indicating lamp is arranged at the lower end of the instrument board; the piezoelectric type touch screen is arranged at the lower part of the working indicating lamp; the input end of the switch cabinet electric appliance component is connected with a transformer; the interior of the switch cabinet body is further provided with the voltmeter, the ampere meter,the controller and the feeder switch collecting module; the voltmeter is connected to the input end of the switch cabinet electric appliance component in parallel; and the upper part of the switch cabinet body is fixedly connected with the lower end of the supporting column. The intelligent transformer switch cabinet has the beneficial effects that the voltage is regulated and controlled efficiently and intelligently and the intelligent transformer switch cabinet is energy-saving, environmentally-friendly, high in safety and convenient to move and use.