38results about How to "To achieve the purpose of unattended" patented technology

The invention discloses a multi-water-pump automatic control method of a central air conditioner energy-saving control system. The method comprises the steps that all states of water pumps are monitored, operating time real-time accumulation is updated and stored in real time, the water pumps capable of operating are sorted according to operating time real-time accumulation, and the water pump shortest in operating time is preferentially started according to the sequence till the number of the water pumps required by the system is met; and when the feedback state of the water pump shortest in operating time is any one of a manual control state, a failure state, a local control state, a power access failure state and a maintenance state, the operating state of the water pump is automatically displayed, an alarm is output, sorting is carried out again, and the water pumps are started. According to the method, multiple system states except for water pump failures are considered, operating of the water pumps is automatically stopped and restored to be started according to the monitoring states of the water pumps so as to deal with the operating conditions of the water pumps more comprehensively, the unattended aim of a machine room is achieved better, and normal operating of a central air conditioner is protected.

The invention discloses a self-adaptive ecological welding environment monitoring system and method. Real-time collection and monitoring are performed on parameters of internal environments and external environments of welding machines, a system platform management unit performs data analysis on the parameters, and environmental improvement regulation and alarm processing are performed under the conditions of different welding environment parameters. Compared with the prior art, the self-adaptive ecological welding environment monitoring system and method have the advantages that a function of environment improvement is achieved, and safety reliability of welding operators is improved effectively; the welding machines are managed in a centralized mode, welding on-site environments and operation procedures of operators are monitored, and high-yield and high-safety operation sites are achieved; by means of remote or cloud monitoring and management and management of a personnel terminal wireless device, flow monitoring of personnel is achieved effectively, and the purpose of unattended operation is achieved.

The invention discloses a water pump data collection and transmission, intelligent control and remote operating system, wherein the data collection and transmission subsystem is distributedly installed with multiple data collection and transmission SOCs in the same ZigBee network and a The central node; the intelligent control subsystem includes a single-chip microcomputer that can perform calculations according to received signals, a relay that controls the power on and off of the motor, and a relay drive circuit that controls the on-off relay of the relay through the signal of the single-chip microcomputer; the remote operation subsystem includes signal nodes in the same ZigBee network, The computer or handheld device connected to the signal node through the data interface and the operating software installed in it. The invention has the advantages of being suitable for water pumps of all structures, being unattended, automatically detecting abnormal conditions of the water pump and automatically shutting down the water pump when danger occurs, and being able to remotely monitor the state of the water pump and control the danger threshold of the water pump.

The invention provides a two-way power supply automatic switching power supply circuit, and aims at solving the problems that the original two-way power supply automatic switching power supply circuit is complicated in structure, large in size and low in reliability. The two-way power supply automatic switching power supply circuit comprises an AC power supply A, an AC power supply B, a selection control unit and an interlock control unit, wherein the selection control unit and the interlock control unit are mutually connected; the interlock control unit comprises an AC contactor KM1 and an AC contactor KM2 which are in interlock connection; a normally open contact KM1C of the AC contactor KM1 is connected between a live wire of the AC power supply A and a load in series; a normally open contact KM2C of the AC contactor KM2 is connected between the live wire of the AC power supply B and the load in series; and the selection control unit is used for controlling selection of suction of the normally open contact KM1C of the AC contactor KM1 or the normally open contact KM2C of the AC contactor KM2 and avoiding a short circuit caused by competition of two ways of power supplies when the AC power supply A and the AC power supply B are simultaneously powered on.

The invention discloses an unattended operation controller of a regional booster pump station for urban water supply and a control method. The controller comprises a data collecting module for collecting data, an expert module for setting set values of the low water level and the high water level of an impounding reservoir and further setting water supply pressure set values of all periods according to user demands, a predicting module for performing time sequence analysis to predict the water outlet amounts of all periods of unit time within a certain period of time in future according to historical measurement data and current measurement data of the water outlet flow of the booster pump station and dividing water use peak periods and water use trough periods, and a scheduling module forcalculating the water inlet amounts of all periods of unit time when the liquid level in the impounding reservoir reaches the high water level before the water use peak periods are reached and when the liquid level in the impounding reservoir is lowered to the low water level after the peak periods end, and adjusting the opening degree of a water inlet valve of the booster pump station accordingto the water inlet amounts of all the periods of unit time to adjust the water inlet amounts. The water supply pressure and flow of the booster pump station can be scientifically scheduled.

The invention discloses a transformer substation data acquisition and processing method and system based on Internet of Things equipment data acquisition, and the system is applied to a transformer substation, carries out the data acquisition of various intelligent electric meters installed in the transformer substation, provides the statistics and analysis of data, carries out the visual display, and provides an intelligent decision for operation and maintenance management. The system is composed of four parts: a power equipment layer, a data acquisition layer/platform layer, a business processing layer and an application display layer, adopts a layered and distributed form to realize decoupling and big data processing of the system, and adopts a cloud service form to create mutually independent applications for users. A shortcut for power equipment management, operation and maintenance is provided for power equipment production enterprises and power utilization enterprises.

The invention discloses a water pump data acquisition, transmission and intelligent control system. A plurality of data acquisition and transmission SOCs and a central node which are located within a same ZigBee network are installed at appropriate portions of a water pump in a distributed mode; each data acquisition and transmission SOC at least comprises a data acquisition device, a ZigBee terminal or full-functional device and a battery, wherein if the data acquisition device is in an analog quantity mode, an analog to digital converter further needs to be integrated in the data acquisition and transmission SOC; and a ZigBee network coordinator with a receiving and transmitting function and a self-programming operation function is arranged at the central node, and used for controlling connection and disconnection of a motor power source through a relay-driven circuit. The water pump data acquisition, transmission and intelligent control system has the advantages that the water pump data acquisition, transmission and intelligent control system is applicable to water pumps of all structures, unattended operation is achieved, abnormal conditions of the water pumps can be automatically detected, and the water pumps can be automatically shut down when dangers occur.

Disclosed is an oil well intelligent control method and device. The oil well intelligent control method comprises the following steps that 1, the depth of an oil liquid surface is set; 2, the casing pressure in an oil well is detected, if the casing pressure exists in the well, air in a casing pipe of the oil well is controlled to be deflated and produce sound to the outside of the well, and according to the difference of sound velocity and time, the depth of the oil liquid surface is obtained; if it is detected that the casing pressure does not exist in the casing pipe of the oil well, the air in the casing pipe is pressurized into an air storage cylinder at the outside of the well, then air injection and sound production are conducted to the interior of the casing pipe of the oil well, and the depth of the oil liquid surface is obtained; and 3, the practically-measured depth of the oil liquid surface is compared with the set depth of the oil liquid surface, and according to the error value of the practically-measured depth of the oil liquid surface and the set depth of the oil liquid surface, whether oil pumping is conducted or not is determined. The invention further comprises the oil well intelligent control device. According to the oil well intelligent control method and device, on the one hand, the pressure difference in the oil well can be utilized fully to accurately obtain a specific position of the oil liquid surface, and through intelligent control, the oil extraction efficiency is improved; on the other hand, impact force of a sucker rod and starting current of an electromotor during starting can be reduced, and the safety of starting during using a sucker motor and the service life are improved.

The invention discloses an automatic weighing method and system based on grain depot license plate recognition, and the method comprises the steps: automatically triggering the snapshot action of a camera device based on a virtual coil, and calling an SDK to obtain the snapshot and recognized license plate recognition data in an alarm deployment mode; performing planning processing on the license plate initial data to obtain license plate information; a weighing service corresponding to the license plate is searched in a data server according to the license plate information, and when the weighing service corresponding to the license plate information exists, a handrail lifting instruction is sent to a handrail on the arrival side of the vehicle so as to control the handrail on the arrival side of the vehicle to be lifted; the automatic weight metering device automatically weighs the vehicle, obtains weighing instrument data, associates the weighing instrument data with the license plate information, associates the weighing instrument data with the vehicle information through the license plate information, and sends the weighing instrument data and the vehicle information to a front-end control interface; and self-service weighing is completed.

The invention belongs to the technical field of charging station auxiliary facilities for electric vehicles. The invention relates to an inspection device, particularly to an inspection system for anelectric vehicle charging station and an inspection method thereof. The system comprises a charging area in which a plurality of charging devices are installed in a centralized manner. A communicatedtrack is integrally arranged above each charging device in the charging area; at least one inspection robot is hoisted in the track; an inspection robot body, a walking driving mechanism and a liftingmechanism are installed in each inspection robot. A real-time camera and a sensor group are mounted at the end part of each lifting mechanism, wherein the real-time camera and the sensor group can realize downward detection and ascending under the action of the lifting mechanism. A main control unit is arranged in each inspection robot body, data communication between the main control unit and anexternal background control center is achieved, and the main control unit is communicated with the control end of the corresponding lifting mechanism and the control end of the corresponding walkingdriving mechanism and communicated with the signal output end of the corresponding real-time camera and the signal output end of the corresponding sensor group.

The invention discloses an intelligent charcoal-fire quick decoction automatic medicine feeding pot which comprises a circular base, a transparent medicine jar, an ultrasonic acceleration rod, a controllable charcoal-fire heating device and an intelligent controller. A delay medicine feeder for automatically feeding late additional medicines into the transparent medicine jar is connected with theupper end of a jar handle; the delay medicine feeder comprises a conical medicine bin, a float ball cover, a float ball check block, a medicine feeding hole and a medicine bin cover; an amplitude change rod of the ultrasonic acceleration rod is arranged on the lower portion of an ultrasonic generator, and a titanium alloy output rod is arranged on the lower portion of the amplitude change rod andis used for transmitting ultrasonic energy into liquid medicines. The intelligent charcoal-fire quick decoction automatic medicine feeding pot has the advantages that the intelligent charcoal-fire quick decoction automatic medicine feeding pot is scientific, compact and novel in structure and ingenious in design; the intelligent charcoal-fire quick decoction automatic medicine feeding pot is shortin medicine cooking time and high in speed, electricity and the time can be saved, and effective components of medicinal materials can be sufficiently dissolved out; the intelligent charcoal-fire quick decoction automatic medicine feeding pot can be remotely controlled and can be ignited in a timed manner, the medicinal materials can be automatically fed into the intelligent charcoal-fire quick decoction automatic medicine feeding pot in a delay manner in batches, early decocted medicines and late decocted medicines can be separately fed into the intelligent charcoal-fire quick decoction automatic medicine feeding pot, accordingly, the purpose of operating the intelligent charcoal-fire quick decoction automatic medicine feeding pot in an unattended manner can be achieved, and the intelligent charcoal-fire quick decoction automatic medicine feeding pot is convenient to use; decoction dregs and heated components are separated from one another, and accordingly the intelligent charcoal-fire quick decoction automatic medicine feeding pot is suitable for household use; the intelligent charcoal-fire quick decoction automatic medicine feeding pot can be widely applied to cooking the medicines in a timed manner, and the attendant time can be saved.

The invention discloses a timed charcoal fire medicine decocting device capable of adding medicinal materials automatically. The medicine decocting device comprises a circular base, a transparent medicine pot, a medicine decoction accelerating rod, a controllable charcoal fire heating device and a timing controller; a delayed medicinal material adding device for automatically adding medicinal materials to be added later into the transparent medicine pot is connected to the upper end of a pot handle; the delayed medicinal material adding device comprises a conical medicinal material bin, a floating ball cover, a floating ball stopper, a medicinal material adding hole and a medicinal material bin cover; an amplitude changing pole of the medicine decoction accelerating rod is arranged on thelower portion of an ultrasonic transducer, and a titanium alloy outputting rod is arranged on the lower portion of the amplitude changing pole and used for transmitting ultrasonic energy into medicinal water. The medicine decocting device has the advantages of being scientific, compact and novel in structure, ingenious in design, short in medicine decocting time, high in medicine decocting speed and capable of saving electricity and time, and the active ingredients of medicinal materials can be fully separated out; remotely controlled timed ignition can be achieved, automatic delayed and batched medicinal material addition can be achieved, medicinal materials to be decocted first and medicinal materials to be decocted later can be separately put in, the purpose of unattended operation is achieved, and use is convenient; besides, dregs and heated parts are separated, and the medicine decocting device is suitable for home use; the medicine decocting device is widely applied to timed medicine decoction and saves people's attending time.

The invention provides a desulfurization integrated device capable of accurately controlling the injection amount of a desulfurizing agent and a desulfurization method. The desulfurization integrateddevice comprises a desulfurization tank arranged on a skid base, a PLC control system, a dosing system and a gas-liquid separator; a gas outlet of the desulfurization tank is communicated with the middle of the gas-liquid separator through a pipeline; the dosing system comprises a dosing pump, a hydrogen sulfide detector I, a hydrogen sulfide detector II and a flow meter; the hydrogen sulfide detector I is arranged on a natural gas inlet pipeline of the desulfurization tank; the hydrogen sulfide detector II is arranged on a pipeline between the desulfurization tank and the gas-liquid separator, the flow meter is arranged on a desulfurized natural gas outlet pipeline of the gas-liquid separator, the dosing pump is communicated with the desulfurization tank through a pipeline, and the dosingpump, the hydrogen sulfide detector I, the hydrogen sulfide detector II and the flow meter are in electric signal connection with the PLC control system. According to the invention, the required desulfurization dosage is calculated through the PLC control system, and then a signal is sent to the dosing pump, so that the injection amount of the desulfurization agent injected into the desulfurization tank can be accurately adjusted.

A temperature rise system and method for controlling self-starting of a deaerator based on a data model comprises a deaerator temperature rise expert curve module, the deaerator temperature rise expert function curve module is connected with a subtraction module, a deaerator temperature AI module is connected with the subtraction module, the output of the subtraction module is connected with a multiplication module, and a coefficient k module is connected with the multiplication module. The output of the multiplication module is connected with the addition module, the deaerator steam heating control valve instruction expert function curve module is connected with the addition module, the time-based open-loop control instruction module is connected with the addition module, the output of the addition module is connected with the switching module, and the deaerator steam heating control valve feedback module is connected with the switching module. The automatic control deaerator heating module is connected with the switching module, and the output of the switching module is connected with the deaerator steam heating control valve instruction output module. Oil consumption, water consumption and coal consumption indexes are greatly reduced, unit starting time consumption is reduced, and the purposes of energy conservation, efficiency improvement and unattended operation are achieved.

The invention discloses a tracking control device and a cooling control system. The cooling control system comprises a cooling device and a tracking control device, wherein the tracking control devicecomprises a glass position detection module, a speed detection module, a main control module and a cooling device regulating module; the glass position detection module detects the positions of the two side edges of the glass on the production line and generates jumping signals to be sent to the main control module; the speed detection module detects the moving speed of the glass and generates moving speed signals to be sent to the main control module; the main control module calculates the time intervals of the glass reaching the cooling device according to the moving speed signal, generatesposition regulating signals according to the jumping signals and outputs the position regulating signals to the cooling device regulating module after the time intervals; the cooling device regulating module moves according to the position regulating signals so as to drive the cooling device to correspondingly move. The tracking control device and the cooling control system have the advantages that the automatic tracking on the glass can be realized; the goal that the cooling device automatically swings along with the swinging of the glass is realized; the automation level is improved.