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57results about How to "Control on time" patented technology
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Multi-pulse gate delay range gating laser imaging radar
InactiveCN102176024ALarge depth of fieldControl on timeElectromagnetic wave reradiationRange gateLaser beams
The invention provides a multi-pulse gate delay range gating laser imaging radar and belongs to the technical field of laser radars, wherein the radar provided by the invention solving the problem of the existing range gating laser imaging radar, such as low range resolution. The multi-pulse gate delay range gating laser imaging radar is characterized in that the clock signal of a clock signal source is output to a synchronous pulse control circuit; the synchronous pulse control circuit transmits a drive pulse signal to a pulse modulation laser, and transmits a delay signal to a control system at the same time; the control system can transmit the ordinal number of drive pulse signals emitted by the synchronous pulse control circuit to an image coding system after the control system transmits the delay signal to a range gate delay circuit; the image coding system numbers the received optical signal images according to the same ordinal number; the optical signal images are collected by an ICCD (intensified charge coupled device) detector; and an optical transmitting antenna and an optical receiving antenna are respectively used for transmitting laser beams and receiving a target laser echo pulse signal. The multi-pulse gate delay range gating laser imaging radar is applicable to the range detection of a target.
Owner:HARBIN INST OF TECH
Refrigerating control method and device for refrigerator
ActiveCN106052292AIntelligent and reasonable refrigeration control methodReduce energy consumptionLighting and heating apparatusDomestic refrigeratorsStart timeEngineering
The invention provides a refrigerating control method and device for a refrigerator. The refrigerating control method for the refrigerator comprises the steps that the time bucket when opening times of a refrigerator door body exceeds the preset threshold value is obtained, and the opening times of the refrigerator door body is obtained according to door opening and closing record statistics; the run time of the refrigerator is obtained; and whether the run time is within in the time bucket or whether time between the run time and the starting point of the time bucket is smaller than the first preset time threshold value is judged, and if any one of the judgment results is yes, a refrigerating system of the refrigerator is forbidden to be started till the time bucket is finished. According to the scheme of the refrigerating control method and device for the refrigerator, the starting time of the refrigerating system of the refrigerator can be controlled, and the situation that the refrigerating system is started within the time bucket when a user opens the door body frequently or is started in the time close to the time bucket is avoided; the quantity of cold in a storage room of the refrigerator is effectively prevented from being lost, energy consumption of the refrigerator is reduced, and the using experience of the user is improved.
Owner:HAIER SMART HOME CO LTD
Electromagnetic heating cooker and control method and control apparatus therefor
ActiveCN107708243AAvoid vibration stopControl on timeInduction heating controlInduction heating apparatusResonanceCoupling
The invention provides an electromagnetic heating cooker and a control method and a control apparatus therefor. The electromagnetic heating cooker comprises a resonance circuit and an IGTB; the resonance circuit, the IGBT and an external power supply form an electromagnetic oscillation circuit; the control method comprises the steps of obtaining the input voltage of the external power supply; andwhen the input voltage is less than a preset threshold value, increasing the width of a PWM pulse signal for controlling on-off of the IGBT. By virtue of the electromagnetic heating cooker and the control method and the control apparatus therefor, oscillation stop of the resonance circuit of the electromagnetic heating cooker can be prevented without needing a timing circuit or a coupling circuit,so that the electromagnetic heating cooker is simple and easy to use, and low in cost.
Owner:ZHEJIANG SHAOXING SUPOR DOMESTIC ELECTRICAL APPLIANCE CO LTD
Low-current system single-phase earth fault line selection control circuit
ActiveCN103267928AControl on timeChange the impedance valueFault locationSingle phaseTransmission line
The invention discloses a low-current system single-phase earth fault line selection control circuit which comprises low-current system single-phase earth fault line selection control branch circuits used for controlling mixing electric transmission line branch circuits. Each low-current system single-phase earth fault line selection control branch circuit comprises a control unit, a motion unit and 2n zero-sequence current sensors, wherein the motion unit is used for controlling and predetermining one mixing electric transmission line branch circuit, and the 2n zero-sequence current sensors are installed in the mixing electric transmission line branch circuits and used for collecting zero-sequence current signals in cables. The control units receive zero-sequence currents sent by the zero-sequence current sensors and carry out judgment, if zero-sequence current values of two ends of any cable are consistent, the control units determine that earth fault points are not in any cable, the control units allow to send an automatic reclosing lock command, reclosing lock is carried out by the motion units, and if the zero-sequence current values at the two ends of at least one cable are different, the control units determine that a cable section is connected to the ground and output judgment results. According to the low-current system single-phase earth fault line selection control circuit, the reclosing lock is conditionally carried out, and therefore explosion caused by the reclosing lock when the fault points are generated in the cable section is avoided.
Owner:吉林市简通电气科技有限公司
Control system and control method of intelligent vacuum degassing machine
ActiveCN105739578AEliminate microscopic air bubblesImprove heat transfer efficiencyLiquid degasificationSimultaneous control of multiple variablesElectricityAutomatic control
The invention discloses a control system and a control method of an intelligent vacuum degassing machine, . The control system comprises a controller, degassing tank, a booster tank pump, a water inlet pipeline, a first water outlet pipeline and a second water outlet pipeline; the water inlet of the degassing tank is connected to the water outlet of the water circulation system through the water inlet pipeline; the water outlet of the degassing tank is connected to the booster tank pump through a first outlet pipeline; one end of the second water outlet pipeline is connected to the booster pump; the other end of the second water outlet pipeline is connected to the external water circulation system; the water inlet pipeline is provided with a solenoid valve and a temperature sensor; the intelligent vacuum degassing machine is provided with a real-time online gas monitoring device, a pressure sensor and a liquid level sensor; the solenoid valve, the temperature sensor, the real-time online gas monitoring device, the pressure sensor and the liquid level sensor are electrically connected to the controller; and the controller performs control on the system through the high efficiency automatic control mode and the energy saving automatic control mode. The control system and control method can realize online and intelligent control on the gas, the temperature and the pressure.
Owner:北京德安源环境科技发展有限公司
Nitrogen generation control method and device of refrigerator
ActiveCN106016950AIntelligent and reasonable nitrogen production control methodReduce energy consumptionLighting and heating apparatusCooling fluid circulationNitrogenEngineering
The invention provides a nitrogen generation control method and device of a refrigerator. A seal space is arranged in a storage compartment of the refrigerator, the refrigerator is provided with a nitrogen generation device for providing nitrogen for the seal space, and the nitrogen generation control method of the refrigerator comprises the steps that the time quantum that the opening frequency of the seal space exceeds the preset threshold value and the running moment of the refrigerator are obtained; and whether the running moment is within the time quantum or not or time of the starting point from the running moment to the time quantum is smaller than the first preset time threshold value or not is judged, under the condition that the judgment result is yes, opening of the nitrogen generation device of the refrigerator is forbidden until the time quantum is finished. According to the scheme, the opening time of the nitrogen generation device of the refrigerator can be controlled, a user can be prevented from opening the nitrogen generation device in the time quantum that the seal space is frequently opened or at the time close to the time quantum, nitrogen in the seal space can be effectively prevented from losing, energy consumption of the refrigerator is reduced, and the use experience of the user is improved.
Owner:HAIER SMART HOME CO LTD
Constant voltage output switching power supply device with high power factor and control method thereof
InactiveCN106341038AControl on timeConstant on-timeEfficient power electronics conversionAc-dc conversionLoad circuitFeedback circuits
The invention discloses a constant voltage output switching power supply with a high power factor, which is composed of a rectifying and filtering circuit, a power converter, a control circuit, an output voltage feedback circuit, an inductive current zero-crossing feedback circuit and a chip power supply circuit. The constant voltage output switching power supply is characterized in that alternating current is inputted and converted into direct current through the rectifying and filtering circuit, the direct current is inputted into the power converter, the direct current is outputted to a load circuit from the power converter, then detection is carried out on a main power circuit through the output voltage feedback circuit, the inductive current zero-crossing feedback circuit and the chip power supply circuit, an acquired result is inputted into the control circuit so as to enable the control circuit to operate and obtain a control scheme, and output of the control circuit is transmitted to the power converter so as to perform control on the power converter. According to the constant voltage output power supply system with a high power factor, the turn-on time of a power switch tube is controlled to be constant through design of the control circuit and the feedback circuit; constant voltage output can be achieved in a full voltage range, and a high power factor can be ensured.
Owner:WUXI SIRISE MICROELECTRONICS CO LTD
Transmitting and receiving change-over switch for magnetic resonance system
PendingCN113009393AImprove isolationAvoid damageMeasurements using magnetic resonanceRadio frequencyGate control
The invention discloses a transmitting and receiving change-over switch for a magnetic resonance system, the magnetic resonance system comprises a radio frequency antenna, a transmitter and a receiver, wherein the transmitter and the receiver are respectively connected with the radio frequency antenna through a passive T / R switch. The magnetic resonance system is characterized in that an active radio frequency switch is connected in series between the passive T / R switch and the receiver, and the passive T / R switch adopts a two-stage passive T / R switch. The active radio frequency switch is controlled by a receiving gate control signal: in a radio frequency emission period, the receiving gate control signal is at a low level, and the active radio frequency switch is turned off; in the signal receiving period, the receiving gating signal is at a high level, the active radio frequency switch is turned on, and the receiving access is turned on. Compared with a traditional passive T / R switch, the switch formed by connecting the passive T / R switch and the active radio frequency switch in series can provide higher isolation for the pre-amplifier, and the situation that the pre-amplifier is damaged or saturated due to the fact that the isolation of the traditional T / R switch is not high is avoided.
Owner:SUZHOU NIUMAG ELECTRONICS TECH
Faucet capable of adjusting timing modes
InactiveCN104712822AControl on timeConvenience needsOperating means/releasing devices for valvesMotion sensingEngineering
The invention relates to a faucet capable of adjusting timing modes. The faucet comprises a faucet body, a motion sensing element arranged on the faucet body, a timer and a control element, wherein the faucet body is provided with a water outlet, a water outlet passage in the faucet body is provided with an electromagnetic valve, the motion sensing element is used for sending a triggering signal to the control element when sensing an object, the timer has at least two timing modes and is used for controlling the opening time of the electromagnetic valve, and the control element selects the timing modes of the timer according to the frequency of the received signals and controls the electromagnetic valve to be opened and closed. Compared with the prior art, the opening time of the electromagnetic valve is controlled through the timer, and the timer has multiple modes to meet the requirements of different users.
Owner:区超洪
NMOS switch tube driving circuit
ActiveCN107968567AFast shutdownEffective control of opening timeDc-dc conversionElectric variable regulationTurn on timeDriving circuit
The invention discloses an NMOS switch tube driving circuit. A boost open module outputs a turn-on voltage which can make an NMOS switch tube be turned on. After the NMOS switch tube is turned on, a superposed voltage of the turn-on voltage and a source voltage of the NMOS switch tube is output. Through turn-off control of the boost open module, the NMOS switch tube is turned off. After the NMOS switch tube is turned off, a discharge module releases charges of a grid electrode and a source electrode of the NMOS switch tube so that a purpose of rapidly turning off the NMOS switch tube is reached. Based on the condition that the NMOS switch tube is controlled to be normally turned on and turned off, a delay module can effectively control time for the boost open module to output a voltage tothe grid electrode of the NMOS switch tube and then effectively control turn-on time of the NMOS switch tube so that a purpose that the NMOS switch tube is slowly turned on is reached. A condition that a surge current with large transmission flows into a connected load is avoided and the load is prevented from being damaged.
Owner:SHANGHAI AWINIC TECH CO LTD
Dc-dc converter
ActiveCN100477465CControl on timeReduce the impact of disturbanceDc-dc conversionElectric variable regulationInductorDc converter
A power converter comprises an inductor (LP) and a controllable switch (CF) coupled to the inductor. A switch controller (1) supplies a periodic switching signal (VC1) which has a repetition time and a duty cycle to the controllable switch (CF) to generate a periodical inductor current (IL) through the inductor. A generator (2) generates an emulated signal (IE) based on timing information (TI) which represents the repetition time and the duty cycle to emulate a current signal being representative of the inductor current. A comparator (3) compares the emulated signal (IE) with the current signal (CS) to obtain an error signal (E). A generator controller (4) receives the error signal (E) to supply a control signal (VD) to the generator (2) to adapt a property of the emulated signal (IE) to become substantially equal to a property of the current signal (CS).
Owner:III HLDG 6
Variable filling device for veterinary drugs
ActiveCN113911993AImprove efficiencyShorten the timeFilling using counterpressureSafety device in filling machineryDrugBiomedical engineering
The invention discloses a variable filling device for veterinary drugs, and mainly relates to the field of drug filling. The variable filling device comprises a dispensing device and a computer system; the dispensing device is arranged on the top surface of a table body and comprises a medicine bottle, an automatic filling device and a medicine liquid sealing tank; the automatic filling device is provided with a medicine filling needle and a medicine bottle fixing claw, after the medicine bottle fixing claw fixes the medicine bottle, the medicine filling needle is used for filling medicine liquid into the medicine bottle; and the medicine liquid sealing tank is connected with the medicine filling needle through a pipeline, a plurality of valve bodies and pump bodies are arranged on the pipeline in a connected mode, and the pump bodies and the valve bodies control medicine liquid conveying. The variable filling device for the veterinary drugs provided by the invention has the beneficial effects that the situation that the proportion conversion of the animal weight and the veterinary drug dosage is inaccurate is avoided, meanwhile, medicine waste or pollution caused by the fact that the extracted dosage is difficult to grasp when the drugs are extracted can be avoided, the use efficiency of the drugs is improved, and time is also saved.
Owner:临沂宏康食品有限公司
Enhanced sonar auxiliary distance gating laser underwater imaging device and method
PendingCN110297253AIncrease illuminationEffective filteringElectromagnetic wave reradiationLaser lightInverted triangle
The invention relates to an enhanced sonar auxiliary distance gating laser underwater imaging device and method. The device comprises a double-laser enhanced illumination design and a sonar auxiliarytarget distance and azimuth pre-detection system. According to the device and the method, the illumination intensity of a target is improved through an enhanced double-laser illumination system, so that the detection distance of the target can be prolonged; and in addition, the sonar detection system can detect the distance and orientation of the target in advance, the receiving detector window time of a distance gating control circuit is controlled more accurately through an embedded processing module, and the intensity, the orientation and the polarization state of the laser light source arecontrolled, so as to achieve long-distance high-quality imaging detection of the target. According to the method and the device, an inverted triangle structure design is adopted, so that the enhancedsonar auxiliary underwater laser detection effect is further optimized.
Owner:北盛国基(南京)光学有限公司
Valve core, poppet valve and application of same
ActiveCN106286850ASimple structureEasy to manufactureOperating means/releasing devices for valvesFluid circulation arrangementEngineeringValve seat
The invention relates to a valve core, a poppet valve and applications of same; the valve core comprises a valve body, a valve seat and a valve needle; the valve seat is connected with the valve body so as to form a front chamber and a rear chamber respectively connected with the outer side; a valve needle boss can make contacts with the valve seat, and can be separated from the valve seat; the front chamber and rear chamber are not connected when the valve needle boss makes contacts with the valve seat; the front chamber and the rear chamber are connected when the valve needle boss is separated from the valve seat; a balance chamber is arranged between the valve body and the valve needle, and connected with the rear chamber; the poppet valve comprises a cam assembly and the valve core; the cam of the cam assembly drives the valve needle to move, so the front chamber and the rear chamber are connected; compared with the prior art, the valve core and the poppet valve are simpler in structures.
Owner:TONGJI UNIV
Handheld medical cold-sealed air plasma jet spray gun
PendingCN112843278AReduce discharge jet temperatureConducive to heat dissipation of the deviceLavatory sanitoryDisinfectionHigh densityMedicine
The invention discloses a handheld medical cold-sealed air plasma jet spray gun in the field of plasma sterilization and disinfection, which comprises a device shell, and a discharge electrode, a Tesla coil, a touch screen, a cooling fan, an internal circuit, a control switch and a power lithium battery which are arranged in the device shell, wherein the power lithium battery is connected with the touch screen, the control switch and the Tesla coil through the internal circuit. The touch screen can regulate and control the pulse width of a square wave pulse signal and control the conduction time of an IGBT, on the one hand, tip pulse discharge is controlled, and the discharge jet flow temperature is reduced; on the other hand, the cooling fan is driven to be linked, when the pulse width is widened, the IGBT conduction time is prolonged, the rotating speed of the cooling fan is increased, the wind speed is increased, and the purpose of reducing the discharge jet flow temperature is achieved. Stable, continuous and high-density cold plasma is generated on the discharge electrode. The handheld medical cold-sealed air plasma jet spray gun has the advantages of high sterilization efficiency, universality and flexibility, can meet the sterilization requirement in the medical field, and is smaller in equipment size, convenient to carry and simple to operate.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
Onboard control system capable of controlling intelligent audio-video device
InactiveCN105785805AGuarantee personal safetyControl on timeProgramme control in sequence/logic controllersE communicationData acquisition module
The invention discloses an onboard control system capable of controlling an intelligent audio-video device. The system is characterized by including: a wireless communication module, a GPS module, a driving data acquisition module, a calibration module, an intelligent audio-video device control module and a processor. The GPS module acquires a user's current position and map road condition information, and calculates a predicted time for going through each road section and a predicted time for arriving at home. The driving data acquisition module acquires a real-time driving velocity through a CAN total interface line so as to obtain an actual time for going through current road section. The calibration module conducts ratio calculation between the actual time for going through the current road section and the predicted time for going through the current road section, and a difference value coefficient P is obtained. The processor receives the predicted time for arriving at home from the GPS module and P value from the driving data acquisition module, calculates the predicted time for arriving at home after calibration, and based on a preheating time provided by the intelligent audio-video device control module, compares the preheating time with the predicted time for arriving at home after calibration, and transmits a preheating control instruction through the wireless communication module based on a comparison result.
Owner:BEIJING QIHOO TECH CO LTD +1
Sintered stator-cover unit and camshaft adjuster
ActiveCN102762821AWith Vickers hardnessWon't breakValve arrangementsMachines/enginesMaterials scienceCamshaft
The invention relates to a stator-cover unit (1) for a camshaft adjuster (31), which is produced in one piece from a sintered material, comprising a stator (3) and a locking cover (5) which has a slot (17) for rotationally locking a rotor (33). According to the invention, the sintered material has at least in the region of the slot (17) a Vickers hardness of 400 HV to 850 HV. The invention further relates to a camshaft adjuster (31) having such a stator-cover unit (1) with the aforementioned properties, in which a rotor (33) having a number of radially outwardly extending rotor vanes (35) is positioned. The stator-cover unit (1) is simple to produce. A separate insertion part for the slot (17) is not required.
Owner:SCHAEFFLER TECH AG & CO KG
Pressure stabilizing method of bag-type dust collector
ActiveCN111773840AStable gas volumeRelieve pressureDispersed particle filtrationThermodynamicsProcess engineering
The invention discloses a pressure stabilizing method of a bag-type dust collector, which comprises the following steps of: supplementing gas to the bag-type dust collector or a main pipeline connected with the front end of the bag-type dust collector before each pulse ash removal, and keeping the gas supplementing process for a period of time. According to the invention, supplementing gas is introduced; the gas quantity in the bag-type dust collector and the main pipeline is kept stable before pulse ash removal for a period of time and during pulse ash removal; thus, the situation that duringpulse ash removal, original gas is compressed instantaneously due to the fact that ash removal gas is increased instantaneously in the bag-type dust remover and the main pipeline is avoided, and pressure fluctuation, caused by instantaneous increase of the gas volume, of the front end can be greatly reduced. According to the invention, the pressure fluctuation in the bag-type dust collector can meet the requirements, the process negative pressure fluctuation range required by precision production such as vapor deposition is met, and a good effect is generated for improving the production quality of high-added-value products such as lasers and optical fiber preforms.
Owner:HAWK SHANGHAI ENVIRONMENTAL TECH
Battery charging control circuit
InactiveCN107171389AControl on timeGuaranteed constant current and constant voltage chargingBatteries circuit arrangementsElectric powerBattery chargeControl circuit
The invention discloses a battery charging control circuit, which comprises a protection module, a switch unit, a current detection unit, a pulse signal generation module, a current control module, a voltage control module, a constant voltage module and a host unit. The protection module is connected with a total input end, the switch unit, a total output end and the pulse signal generation module; the switch unit is connected with the current detection unit and the pulse signal generation module; the current control module is connected with the total output end and the current control module; the pulse signal generation module is connected with the current control module and the voltage control module; the current control module is connected with the constant voltage module and the host unit; and the voltage control module is connected with the constant voltage module, the host unit and the total output end.
Owner:OPTIMUM BATTERY CO LTD
Intelligent communication manhole security equipment
PendingCN108594729AReduce the difficulty of deploymentControl on timeProgramme controlComputer controlElectrical and Electronics engineeringDrill
The invention relates to the technical field of communication manhole security, in particular to intelligent communication manhole security equipment. The intelligent communication manhole security equipment comprises an electronic lock, a power supply module, an external power supply connection piece and a manhole cover wing. The technical scheme of the intelligent communication manhole securityequipment includes that the external power supply connection piece is added on the basis of the electronic lock which can be monitored and controlled, so that in the case of internal power supply deficiency, an external power supply can be started; intelligent communication manhole security equipment is low in deployment difficulty and can be obtained by reforming an existing manhole cover directly, and the unlocking time can be controlled; at last, locking of the manhole cover is completed by a controllable telescopic lock body and the manhole cover wing fixed below a manhole, so that under special circumstances, an electronic lock cover can be opened by smashing a manhole sealing piece welded with the manhole cover wing by an electric drill forcibly.
Owner:北京恒宽通信科技有限责任公司
Rigid solid quick shutdown radar transmitter modulation device and method
ActiveCN108776328AControl on timeLower internal resistanceWave based measurement systemsStart timeInternal resistance
The invention discloses a rigid solid quick shutdown radar transmitter modulation device comprising a starting circuit, a shutdown circuit, a pulse transformer and a vacuum tube. The starting circuitcomprises multipath MOS transistors which are connected in parallel. The starting circuit is connected with the starting trigger and the pulse transformer. The shutdown circuit comprises an isolationdriving circuit, a pulse isolation transformer circuit, a third MOS transistor driving circuit and a shutdown-high-speed MOS transistor which are connected in turn. The isolation driving circuit is connected with the shutdown trigger. The shutdown circuit and the starting circuit are connected with the pulse transformer and the vacuum tube. Multipath MOS transistors are connected in parallel to complete shunting and reduce internal resistance, and the starting circuit MOS transistor is controlled to be conducted through the starting trigger pulse and the starting time of the MOS transistor iscontrolled. The primary side of the pulse transformer is controlled to be shut down through the shutdown trigger pules and the shutdown circuit MOS transistor is controlled to be conducted so that quick shutdown can be realized, the pulse width can be accurately controlled and control of different pulse widths and different repetition frequencies can be realized.
Owner:HAIHUA ELECTRONICS ENTERPRISECHINA CORP
Crane and hoist braking control system thereof
The invention discloses a crane and a hoist braking control system thereof. The control system comprises a winch motor, a hoist brake and a controller, wherein the hoist brake is communicated with a falling port of the winch motor and is also communicated with a braking oil inlet way or a braking oil drainage way by a directional control valve; an oil way communicated with a start port of the winch motor is provided with an oil pressure sensor; and the controller is configured to output a first signal for controlling to switch the directional control valve to enable the hoist brake to be communicated with the braking oil inlet way according to a signal of the oil pressure sensor and output a second signal for controlling to switch the directional control valve to enable the hoist brake to be communicated with the braking oil drainage way according to a signal representing the end of hoisting a weight. Therefore, when the weight is hoisted, the hoist brake can be started after a hydraulic system sets up a certain pressure, i.e., start time of the hoist brake can be controlled, so that secondary falling of the weight, which is generated when the weight is hoisted, is effectively avoided.
Owner:XUZHOU HEAVY MASCH CO LTD
Environment-friendly home energy-saving water using equipment for rural use
InactiveCN111561026AControl on timeConserve waterDomestic plumbingWater supply installationWater useElectromagnetic valve
The invention discloses environment-friendly home energy-saving water using equipment for rural use. The equipment comprises a pool, a straight pipe, a water storage box, a water pump, a one-way valve, and a cabinet table, the pool is fixedly mounted on the cabinet table, the water storage box is mounted in the cabinet table, the water storage box is fixedly mounted on the bottom end in the cabinet table, the pool communicates with the water storage box through a straight pipe, the bottom end of one side of the water storage box is provided with the one-way valve, the one-way valve is in tightconnection with one end of the water pump through a water pipe, a faucet is rotated to switch a direct flowing water faucet and an atomizing head, according to actual needs, water is saved, a controlswitch is used, the opening time of an electromagnetic valve is controlled, the aim of saving water is achieved, used water is treated and is stored in a water needing box to be used by a closestool,the equipment is simple in structure, convenient to use and capable of saving a large amount of water resources and preventing waste, according to actual needs, the water flowing amount of the faucetis adjusted, and the energy-saving and environment-friendly needs are met.
Owner:蒋运忠
Battery cluster online balancing method and system in battery energy storage system
ActiveCN110137582AIncrease profitControl on timeCells structural combinationSecondary cells testingElectrical batteryBattery system
The invention discloses a battery energy storage system, which comprises a confluence detecting unit, a detecting and protecting unit, a human-machine interaction unit, a master control unit, a battery cluster balancing module and an energy storage unit. The confluence detecting unit, the detecting and protecting unit, the human-machine interaction unit, the battery cluster balancing module and the energy storage unit are all in electrical signal connection to the master control unit. The invention also discloses an online balancing method for the battery cluster in the system. The balancing method solves the problem in the prior art that the energy storage system is required to be shut down to wait for maintenance, and greatly improves the utilization rate of the battery system.
Owner:JIANGXI GANFENG BATTERY TECH
Air conditioner sterilization control method and device, electronic equipment and storage medium
PendingCN114484765AControl on timeControl stop timeMechanical apparatusSpace heating and ventilation safety systemsControl engineeringProcess engineering
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +2
A control system and control method for an intelligent vacuum degasser
ActiveCN105739578BEliminate microscopic air bubblesImprove heat transfer efficiencyLiquid degasificationSimultaneous control of multiple variablesAutomatic controlSolenoid valve
Owner:北京德安源环境科技发展有限公司
Electronic ballast
InactiveCN103220870AControl operating frequencyControl on timeElectrical apparatusElectric lighting sourcesElectricityPower flow
The invention discloses an electronic ballast. The electronic ballast comprises a square-wave generator, a transformer, a resonant circuit, and at least one control driving circuit, wherein the square-wave generator comprises a plurality of switch elements, the switch elements achieve breakover alternately and are used for converting direct current input voltage into square-wave alternating voltage and outputting the square-wave alternating voltage, the transformer comprises a drive winding, a plurality of control windings, and as least one induction winding, the drive winding, the control windings and the at lease one induction winding are mutually coupled, the plurality of the control windings are electrically connected with control ends of the plurality of switch elements respectively to control the plurality of switch elements to achieve breakover alternately, the resonant circuit and the drive winding form a resonant loop, the resonant circuit is electrically connected with an output end of the square-wave generator to drive a luminous element, and the at least one control drive circuit is connected with two ends of the induction winding in parallel and is used for receiving a control signal to control voltages of the two ends of the induction winding to control breakover time of at least one switch element. The invention provides the electronic ballast which is controllable in working frequency to stabilize working current or working power of the luminous element.
Owner:DELTA ELECTRONICS (SHANGHAI) CO LTD
Detection device capable of recognizing printer colors
ActiveCN111161215AImprove stabilityControl positionImage analysisDigital output to print unitsImaging processingMedicine
The invention relates to the technical field of image detection, in particular to a detection device capable of recognizing printer colors, and the device comprises a camera which is used for shootingthe information of a label on the printer; a position adjusting assembly which is used for adjusting the relative position between the printer to be detected and the camera; a signal processing assembly which is correspondingly connected with the camera and the position adjusting assembly, and the signal processing assembly is used for controlling the position adjusting assembly to work, obtaining images shot by the camera, processing the images and making a judgment. The method has the advantages that the camera is arranged to shoot the information of the label on the printer; the position adjusting assembly adjusts the relative position between the printer and the camera, guarantees the effect of label shooting, reduces the image processing difficulty of the signal processing assembly,improves the stability of the signal processing assembly, can control the position and starting time of the camera, and can also control the position adjusting assembly.
Owner:合肥中科迪宏自动化有限公司
Cooperative action control method, device and system of moving parts
The invention discloses a movement component coordination action control method, device and system. The movement component coordination action control method comprises the steps that a preparation current lower than an activate current threshold acts on each electric proportional control valve of a multi-way valve so that each electric proportional control valve of the multi-way valve can be in a preparation state; in the preparation state, a control current not lower than the activate current threshold acts on each electric proportional control valve of the multi-way valve so that each electric proportional control valve can respond; the electric proportional control valves control corresponding driving oil cylinders to act, and then movement components driven by the driving oil cylinders are controlled to act. The invention further discloses the device and system for realizing the movement component coordination action control method.
Owner:HUNAN ZOOMLION INTELLIGENT TECH +1
A three-DC motor series system and torque control method
ActiveCN111464080BSimple structureLow costDC motor speed/torque controlElectric motor speed/torque regulationSquare waveformClassical mechanics
The invention discloses a series system of three direct current motors and a torque control method. The rotational speed deviation is generated through a PI regulator to generate three current reference signals; the armature currents of three direct current motors are obtained through current sampling and calculation; the three current reference signals are The signal uses the reference torque synthesis algorithm to synthesize four-way reference torque; the armature current of the three DC motors uses the feedback torque synthesis algorithm to become four-way synthetic feedback torque; the four-way torque reference signal and the four-way torque feedback signal The deviations of the four torque hysteresis controllers are respectively input to the reverse input terminals of the four-way torque hysteresis controller, and output a square wave signal whose amplitude upper limit and lower limit are inverse numbers; the torque hysteresis controller is converted to The adjusted signal is generated by PWM to generate four pairs of two-two complementary level signals, which are input to the four-leg eight-switch inverter to realize the independent four-quadrant operation of three DC motors connected in series. The invention simplifies the system and improves the stability and response speed of the system.
Owner:CHANGAN UNIV
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