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42results about How to "Real-time monitoring of working temperature" patented technology
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Distributed photovoltaic module string and module IV characteristic curve on-line measurement system
InactiveCN106357220AImplement testReal-time monitoring of working voltagePhotovoltaic monitoringPhotovoltaic energy generationCapacitanceData acquisition
The invention relates to a distributed photovoltaic module string and module volt-ampere (IV) characteristic curve on-line measurement system, which comprises a photovoltaic module wireless voltage sensor, a photovoltaic subarray IV curve scanning module and an upper computer data management center. The photovoltaic module wireless voltage sensor is used for measuring module voltage, is powered by a super-capacitor and a photovoltaic module, and transmits voltage data to the IV curve scanning module through a wireless sensor network; the IV characteristic curve scanning module carries out time-sharing IV curve scanning on each module string, triggers the voltage sensor of a module to acquire synchronous voltage data so as to realize module IV curve scanning, and transmits IV data of the modules and the module strings to the upper computer data management center. The distributed photovoltaic module string and the module volt-ampere (IV) characteristic curve on-line measurement system provided by the invention can acquire accurate photovoltaic module string and module IV characteristic curve data on-line and in real-time, so that the efficiency and the accuracy in testing, evaluating and diagnosing a photovoltaic power generation array are effectively improved.
Owner:FUZHOU UNIV
Electronic cigarette and heating device
PendingCN107969734ARealize the heating functionReal-time monitoring of working temperatureOhmic-resistance electrodesTobacco devicesWorking temperatureEngineering
The invention discloses an electronic cigarette and a heating device. The heating device of the electronic cigarette includes a base body, a heating part, an electrode and a temperature measuring part, wherein the base body is used for bearing parts, the heating part is arranged on the base body, the electrode is arranged on the base body and is used for connecting a power supply with the heatingpart, and the temperature measuring part is arranged on the base body and is used for monitoring the working temperature of the heating part in real time and feeding back monitor results to a controldevice. According to the heating device of the electronic cigarette, the heating part, the electrode and the temperature measuring part are arranged on the base body, and the electrode is used for connecting the power supply with the heating part, so that the heating part achieves a heating function; the temperature measuring part can monitor the working temperature of the heating part in real time and feeding back the monitor results to the control device, so that monitoring and controlling over the working temperature are achieved, open fire caused by the overhigh working temperature of theheating part is avoided, and the usage safety is improved.
Owner:珠海诗朗豪泰科技有限公司
Power lithium battery temperature control device
ActiveCN101894987AAccelerateGuaranteed output currentBattery isolationSecondary cellsElectrochemical responseBattery holder
The invention discloses a power lithium battery temperature control device, which comprises a temperature control battery holder, wherein the temperature control battery holder forms a circulation loop with a high and low temperature liquid source through a pipe; the circulation loop is provided with a circulating pump; and a temperature sensor and a control unit are connected between the circulating pump and the temperature control battery holder. In the invention, the temperature sensor detects in real time and the control unit regulates in time, thereby providing a suitable work environment temperature for a lithium battery, improving the electrochemical reaction speed, and ensuring the output current and voltage and discharge capacity of the lithium battery so as to enable the lithiumbattery to achieve the optimal property and meet the utilization requirement of a power source.
Owner:李辉 +1
Power supply connection board with overheat protection
InactiveCN101494345AReal-time monitoring of working temperatureReduce fallsThermometer detailsThermometers using electric/magnetic elementsComputer moduleOperating temperature
The invention discloses a power terminal board provided with overheating protection in the technical field of safe protection of the power terminal board, which comprises: a housing, a socket, a detection alarm module, a terminal board switch and a pedestal, wherein, the socket and the terminal board switch are arranged on the housing in sequence; the housing is clamped and connected with the pedestal; the detection alarm module is arranged on the pedestal and is grounded through the pedestal; and one end of the terminal board switch is connected with the socket and the detection alarm module, and the other end is connected with a plug of the power terminal board out of the housing. The power terminal board provided with overheating protection has the advantages of sending out a warning in real time when the working temperature of the power terminal board reaches or surpasses the highest permitted working temperature, and reminding the worker of paying attention and adopting measures to avoid an accident.
Owner:NINGBO AOBOER ELECTRIC APPLIANCE
Microwave power supply system
InactiveCN103840699AReal-time monitoring of working temperatureEmergency protective circuit arrangementsMicrowave Power ModuleHigh voltage pulse
The invention relates to an energy apparatus. A microwave power supply system comprises a power supply input filtering module, a three-phase power supply rectification module, a high-voltage inverter power generation module, a negative high voltage generation module, a power sampling processing module, a pulse width adjustment module and a CPU control module. A three-phase power supply generates a DC voltage through the power supply input filtering module and the three-phase power supply rectification module in sequence; the DC voltage is sent to the high-voltage inverter power generation module to generate a high-frequency high-voltage pulse; the high-frequency high-voltage pulse is input to the negative high voltage generation module, and the negative high voltage generation module provides a DC negative high voltage needed by the negative pole of a microwave head magnetron, thereby enabling the microwave head magnetron to vibrate and emit microwaves; and then power generated by the microwave head magnetron is sampled, calculated by the pulse width adjustment module, and then is sent to the CPU control module which judges whether the value of the power generated by the microwave head magnetron is the needed value. The microwave power supply system is in a normal working state; and once abnormity occurs, the power supplying source of the system is cut off.
Owner:JIANGSU LVYANG ELECTRONICS INSTR GROUP
Temperature monitoring and early warning system for transformer
PendingCN112802673ALower internal oil temperatureReal-time monitoring of working temperatureTransformers/reacts mounting/support/suspensionTransformers/inductances coolingEarly warning systemTransformer
The invention relates to the technical field of transformers, in particular to a temperature monitoring and early warning system for a transformer, the system comprises a surface temperature sensing assembly arranged on the outer side wall of a transformer body and a controller connected with the surface temperature sensing assembly, and the controller is connected with an alarm; the system also includes a circulating oil tank circularly connected with the interior of the transformer body and a heat exchanger connected with the transformer body, a thermocouple is arranged in the circulating oil tank, and the thermocouple is connected with the controller; a storage module, a timing module and an open circuit protection module are arranged in the controller, and the controller is connected with a circuit breaker which is in control connection with the transformer body. The system has the effects of accurately monitoring the working temperature of the transformer in real time, early warning in time and improving the protection of the transformer body.
Owner:南京敦韬建筑工程有限公司
Temperature control device for power lithium battery
InactiveCN102544623ASuitable working environment temperatureGuaranteed output currentSecondary cellsElectrochemical responseEngineering
The invention discloses a temperature control device for a power lithium battery. The temperature control device comprises a temperature controlled battery box communicated with a high-temperature liquid source and a low-temperature liquid source to form a circulation loop via pipelines, wherein a circulating pump is arranged on the circulation loop; a temperature sensor and a control unit are connected between the circulating pump and the temperature controlled battery box; and the high-temperature liquid source, as well as the low-temperature liquid source, comprises a temperature controlled liquid box with both a liquid inlet and a liquid outlet, a radiator is arranged above the temperature controlled liquid box, a metal plate is arranged between the temperature controlled liquid box and the radiator, and semiconductor temperature difference modules are respectively arranged between the metal plate and the temperature controlled liquid box, as well as between the metal plate and the radiator, and are electrically connected with a DC power supply after being coupled with each other. Through real-time detection of the temperature sensor and in-time regulation and control of the control unit, an appropriate work environment temperature can be provided for the lithium battery, the electrochemical reaction speed is increased, and the output current, the output voltage and the discharge capacity of the lithium battery are ensured to enable the lithium battery to play the optimal performance and satisfy the utilization request of the power supply.
Owner:李辉 +1
Vacuum pump safety monitoring method and device
ActiveCN112855515AReal-time monitoring of working temperatureImprove cooling effectPump testingPump controlControl engineeringProcess engineering
The invention discloses a vacuum pump safety monitoring method and device. The method comprises the following steps that first temperature information, second temperature information and third temperature information are obtained; the first environment temperature information, the first environment air pressure information and the grade information of vacuum pumps in a vacuum-pumping system are input into a temperature threshold value model to correspondingly obtain a first-grade temperature threshold value, a second-grade temperature threshold value and a third-grade temperature threshold value; whether the temperature information exceeds the level temperature threshold value or not is judged; if at least two of the first temperature information, the second temperature information and the third temperature information exceed the corresponding temperature threshold values, first alarm information is obtained; and the vacuum-pumping system is processed according to the first alarm information. The technical problems that in the prior art, insulation aging is caused by long-term high-temperature operation of the vacuum pumps, and the service life of the vacuum pumps is shortened are solved.
Owner:SHENZHEN XINLUYUAN ELECTRONICS EQUIP CO LTD
Large-current connector safety monitoring method
InactiveCN102064525AEliminate burntEliminate potential safety hazardsTwo-part coupling devicesEmergency protective arrangements for automatic disconnectionElectrical engineering technologyControl system
The invention discloses a large-current connector safety monitoring method, and belongs to the technical field of electrical engineering. The large-current connector safety monitoring method is characterized in that: a temperature sensor is arranged in a plug or socket of a large-current connector, and a safety monitoring control system uninterruptedly acquires signals of the temperature sensor and sends the signals to a signal processing module; the signal processing module analyzes and calculates the signals to output real-time temperature T; an overtemperature judgment module judges whether the connector is overheat according to the temperature T, sends an overtemperature signal if the T is greater than set temperature, and does not send the overtemperature signal if the T is not greater than the set temperature; and an alarm execution module starts an alarm device and immediately cut off a power source after receiving the overtemperature signal. The large-current connector safety monitoring method has the advantage of eliminating potential safety hazards such as interface burning due to heat generation of the plug and socket when the large-current connector works, and even electrical fire.
Owner:DALIAN UNIV OF TECH
Liquid chromatography mobile phase early warning device
The invention discloses a liquid chromatography mobile phase early warning device. The liquid chromatography mobile phase early warning device mainly comprises a liquid chromatograph and an intelligent control system, wherein the liquid chromatograph comprises a pump, and a sample injector, a chromatographic column, a detector and a waste liquid bottle which are sequentially connected with one another through pipelines; the input end of the pump is connected with a mobile phase containing bottle; the output end of the pump is connected with the input end of the chromatographic column through a pipeline by virtue of the sample injector; the intelligent control system comprises a temperature sensor, a pressure sensor, a PLC host, a PLC module and a touch display screen; the PLC module is in plug-in connection with the PLC host; the temperature sensor and the pressure sensor are respectively arranged in the mobile phase containing bottle; an analog signal acquired by the temperature sensor and the pressure sensor is received through the PLC module, converted into a digital signal and fed into the touch display screen through the PLC host. According to the device, the operating temperature and the operating pressure of the mobile phase are monitored in real time, so that a phenomenon that air bubbles in the mobile phase escape due to temperature rise or pressure drop is avoided.
Owner:SOUTH CHINA UNIV OF TECH
Chicken-farm ecological recycling feeding system based on ecological improvement technology
InactiveCN105660446AReal-time monitoring of working pressureReal-time monitoring of working temperatureBioreactor/fermenter combinationsBiological substance pretreatmentsInteraction interfaceWastewater
The invention discloses a chicken-farm ecological recycling feeding system based on an ecological improvement technology.A chicken-farm breeding system, a sewage treatment system, an organic product producing system, a marsh gas collecting system and an intelligent management system are arranged.The intelligent management system internally comprises sensors, an analog-digital conversion circuit, a dsp, a human-computer interaction interface and a control circuit, the dsp is respectively connected with the human-computer interaction interface, the control circuit and the analog-digital conversion circuit, the analog-digital conversion circuit is connected with the sensors, the marsh gas collecting system is connected with the sensors, and the control circuit is connected with the marsh gas collecting system.By means of the chicken-farm ecological recycling feeding system based on the ecological recycling design, manure, wastewater and the like generated in a chicken farm can be used for producing marsh gas for use; when marsh gas treatment is conducted, the working state is monitored and managed in an intelligent monitoring mode, so that the whole marsh gas treatment process is conducted within the safe and controllable range, and safety responsibility accidents are avoided.
Owner:成都心连心农业有限公司
Portable intelligent moxibustion instrument
PendingCN112168680AReal-time monitoring of working temperatureNo cases of scalded skinDevices for heating/cooling reflex pointsPharmacy medicineProcess engineering
The invention provides a portable intelligent moxibustion instrument. According to the portable intelligent moxibustion instrument, pasters are attached to corresponding acupoints, then an operation key is pressed down to allow an internal control mainboard to enable a graphene heating piece for heating, and to heat medicine patches. In the whole process, the working temperature is monitored in real time through a temperature sensor, constant-temperature operation is achieved through the graphene heating piece in the whole process. No open fire exists in the whole process, so that the portableintelligent moxibustion instrument is more safe and reliable without skin scalding due to overheating. A battery is installed in a moxibustion instrument box body to directly supply power to the control main board and the graphene heating piece, so that an external power source is not required in the working process, and a user can use the moxibustion instrument conveniently in the environment free of an external power source. The graphene heating piece can accelerate local blood circulation at corresponding acupoints, enhance the oxygen carrying capacity of red blood cells, and allow the medicine patches to be easily absorbed by the skin in a heating state. The medicine produces a warming effect under heating of a constant-temperature heating body, so that the medicine is quickly absorbed by the human body, thereby achieving good feeling and better treatment effect.
Owner:上海明湖医学生物技术研究有限公司
DMD chip temperature monitoring method and device
ActiveCN109062283AReal-time monitoring of working temperatureTemperatue controlTemperature monitoringEngineering
The invention discloses a DMD chip temperature monitoring method and device. The method comprises the steps that operating temperatures at different positions of a DMD chip are sensed; whether at least one of all the operating temperatures is greater than a first preset threshold or not is judged; if yes, a shutdown alarm is given, or otherwise whether at least one of all the operating temperatures is greater than a second preset threshold or not continues to be judged; if yes, a brightness lowering alarm is given, or otherwise whether the difference between the operating temperature at the front position and the operating temperature at the back position is greater than a third preset threshold or not continues to be judged; if yes, a shutdown alarm is given, or otherwise whether the difference is greater than a fourth preset threshold or not continues to be judged; and if yes, a brightness lowering alarm is given, or otherwise an alarm is not given, and sensing and judgment continueto be performed. Through the DMD chip temperature monitoring method and device, the operating temperatures of the DMD chip can be monitored in real time, and corresponding alarms can be given according to different conditions of the operating temperatures and the difference between the operating temperature at the front position and the operating temperature at the back position.
Owner:CHINA FILM EQUIP
Heat insulation and dissipation device for motor
PendingCN107659033AImprove cooling effectAvoid overall overheatingCooling/ventillation arrangementSupports/enclosures/casingsThermal insulationCooling effect
The invention discloses a heat insulation and dissipation device for a motor, and the device comprises a heat dissipation mechanism disposed outside the motor, and a heat insulation mechanism wraps the heat dissipation mechanism. The heat dissipation mechanism achieves the conduction of heat generated during the operation of the motor to the outside, thereby achieving the heat dissipation of the motor, preventing the overheating of the motor, avoiding the faults caused by the heat accumulation when the motor works, guaranteeing the normal operation of the motor, and prolonging the service lifeof the motor. The heat insulation mechanism prevents external heat from entering the motor while guaranteeing the good heat dissipation effect, and can guarantee the normal use of the motor in a high-temperature (about 180 DEG C) disinfection environment, thereby enabling the application range of the motor, improving the automation rate of medical equipment, and reducing the artificial intervention. In addition, the device is disposed outside the motor, and there is no need to carry out the special customization of the motor. The device can be used for various types of motor equipment, and reduces the application cost of the motor.
Owner:CELLAUTO BIOLOGICAL AUTOMATION CO LTD
Environment-friendly internal mixer
InactiveCN106891452AImprove adsorption capacityImprove protectionDirt cleaningCleaning using liquidsPhysical healthEngineering
An environment-friendly internal mixer comprises a feeding area, a mixing area and a discharging area. The feeding area comprises an air cylinder, a piston, a feeding hopper and a filler box. The feeding hopper is connected with the filler box. The mixing area comprises a material pressing rod, an internal mixing chamber, rotors, a circulating pipe and an air purifying device. The air purifying device is an anion electrostatic adsorber. The anion electrostatic adsorber is connected with the internal mixing chamber through an air guide pipe. The discharging area comprises a discharging door lock locking device, a discharging port and a base. The environment-friendly internal mixer is convenient to use and reasonable in design, through the arrangement of the anion electrostatic adsorber, flying dust in the mixing area can be adsorbed easily, thus, materials are free of the dust when discharged, dust pollution is eliminated, environment protection is facilitated, and physical health of operators is guaranteed easily; and each rotor is provided with ten ridges, the materials are dispersed in the internal mixing chamber effectively, the kneading effect among the ridges is reinforced, and the rubber mixing quality and the rubber mixing efficiency are improved.
Owner:JIANGSU SHENYUAN MATERIAL SCI CO LTD
Charging input protection device and charging overvoltage and over-temperature protection method thereof
PendingCN113541257ASo as not to damageAvoid live situationsEmergency protective circuit arrangementsElectric powerOvervoltageHemt circuits
The invention discloses a charging input protection device and a charging overvoltage and over-temperature protection method thereof. The device comprises a charger and a charging protection circuit, and the charging protection circuit comprises a single-chip microcomputer control unit and an input voltage sampling unit. The single-chip microcomputer control unit is connected to an input voltage positive electrode of the charging input port and can control on-off of the input voltage positive electrode switch unit. The single-chip microcomputer control unit is further connected to an input voltage negative electrode of the charging input port and can control on-off of the input voltage negative electrode switch unit. A sampling terminal of the input voltage sampling unit is connected to an input voltage positive electrode, a sampling voltage output end of the input voltage sampling unit is connected to the single-chip microcomputer control unit, and the input voltage sampling unit is used for sampling input voltage, connected to a charged electronic product, of the charger and sending the collected voltage to the single-chip microcomputer control unit. According to the invention, damage to power supply of a rear-end circuit due to misuse of an overvoltage adapter can be effectively and reliably avoided.
Owner:SHENZHEN PATPET TECH CO LTD
X-ray detector suitable for high-temperature environment and preparation method thereof
ActiveCN111384198ASensitive and stable working responseImprove photoelectric propertiesFinal product manufactureSemiconductor devicesHalogenPhysical chemistry
According to the X-ray detector suitable for the high-temperature environment and the preparation method thereof, an A<3>Bi<2>X<9> type all-inorganic bismuth-based halogen perovskite single crystal material is adopted as an active layer for detecting X-rays, and A is one of Cs<+> and Rb<+>; x is one or a mixture of more of I<->, Br<-> and Cl<->, wherein the working temperature is 50-150 DEG C. Thepreparation method comprises the following steps that: the step 1, an A<3>Bi<2>X<9> type all-inorganic bismuth-based halogen perovskite single crystal is cut into the needed size, and A is one of Cs<+> and Rb<+>; x is one or a mixture of more of I<->, Br<-> and Cl<->; the step 2, the cut A<3>Bi<2>X<9> type perovskite single crystal is subjected to cleaning and surface polishing treatment; and thestep 3, metal electrodes are evaporated at the two ends of the A<3>Bi<2>X<9> type perovskite single crystal obtained in the step 2 to obtain the X-ray detector formed by stacking the metal electrodes, the A<3>Bi<2>X<9> type perovskite single crystal and the metal electrodes. The A<3>Bi<2>X<9> type all-inorganic bismuth-based halogen perovskite single crystal is used as an active layer of an X-raydetector suitable for a high-temperature environment, and the temperature of the high-temperature environment is 50-150 DEG C.
Owner:SHAANXI NORMAL UNIV
Aluminium alloy armored parallel assignment intelligent composite power cable and manufacture method thereof
ActiveCN102394138BReal-time monitoring of working temperatureMeet the electrical conditions for safe operationPower cables with screens/conductive layersCable/conductor manufactureFiberElectric power transmission
Owner:莫凡
Thermal infrared imager working temperature measuring device and focal plane self-adaptive compensation method
ActiveCN113375810AEasy to implementReduce construction costsRadiation pyrometryHemt circuitsEngineering
The invention relates to a thermal infrared imager working temperature measuring device and a focal plane self-adaptive compensation method. The device is composed of a transistor element, an operational amplification conditioning circuit, an analog-to-digital conversion circuit, a DSP digital signal processor, a memory module, an image display module, a serial port communication module and a power supply circuit. The focal plane self-adaptive compensation method is based on real-time digital temperature information provided by a temperature measurement part, three-order fitting correction coefficients of all temperature intervals are stored after testing, and a temperature adaptive compensation focal plane function module adaptively optimizes and corrects the position of the infrared optical imaging focusing focal plane changing along with the temperature. The infrared optical imaging focusing plane position changing along with the temperature is adaptively optimized and adjusted based on the measured temperature value, the problems that imaging focusing is not clear enough, fuzzy and even cannot be used for imaging are solved, and the clear focusing imaging performance of the thermal infrared imager is improved.
Owner:KUNMING INST OF PHYSICS
Electric vehicle charging pile overheating protection device
InactiveCN110015019ASimple structureEasy to installCharging stationsEmergency protective arrangements for automatic disconnectionHeat sinkElectric vehicle
The invention discloses an electric vehicle charging pile overheating protection device, and relates to the technical field of electric vehicle charging. The electric vehicle charging pile overheatingprotection device includes a display screen, an alarm, a charging connector, a charging wire, a card inserting port, a heat dissipation port, a bracket, a base, an overheating alarm detector, a controller, an overheating protector, a heat dissipation fin and a fan, wherein the display screen is installed on a front panel of a charging pile, the front panel of the charging pile is provided with the card inserting port and the heat dissipation port, the overheating alarm detector, the controller, the overheating protector, the heat dissipation fin are installed in a shell of the charging pile,the fan is installed on the heat dissipation fin, the alarm is installed on the upper part of the shell of the charging pile, and the charging connector is installed on the side edge of the shell of the charging pile. The electric vehicle charging pile overheating protection device is simple in structure and easy to install, and is internally with the overheating alarm detector, the controller andthe overheating protector, the working temperature of the charging pile can be monitored in real time, when the temperature is too high, an alarm is given or overheat protection is carried out in time, meanwhile, heat dissipation and cooling can be carried out on the charging pile effectively by the heat dissipation fin and the fan, and the service life of the charging pile is prolonged.
Owner:黄静
Radio-frequency power amplifier temperature detection circuit
InactiveCN101290249AReal-time monitoring of working temperatureAvoid overheating damagePower amplifiersThermometers using electric/magnetic elementsAudio power amplifierRadio frequency
The invention relates to a temperature detection circuit of a radio-frequency power amplifier. A temperature sensor chip is arranged in the position close to the radio-frequency power amplifier; the output of the temperature sensor chip is connected with an operational amplifier; and the output of the operational amplifier is a voltage value corresponding to the temperature. The temperature detection circuit has the advantages of monitoring the working temperature of the chip in real time and avoiding the chip from being overheated and damaged; and when the working temperature excesses or approaches the upper temperature limit, the temperature detection circuit can give out alarm in time.
Owner:上海杰盛无线通讯设备有限公司
Sectional bar evaporation condenser type self-cooling rectification cabinet
ActiveCN111416530AReal-time monitoring of real-time working temperatureImprove Assembly ConsistencyConversion constructional detailsModifications for power electronicsBusbarHeat resistance
The invention discloses a sectional bar evaporation condenser type self-cooling rectification cabinet. The sectional bar evaporation condenser type self-cooling rectification cabinet comprises a cabinet body and a power assembly; the cabinet body comprises a frame, a door plate, an upper cover plate, a lower cover plate, vertical beams, a supporting frame and busbar fixing terminals; the power assembly is composed of a sectional bar evaporation condenser, a power electronic device, an alternating current busbar, a direct current busbar, a fast fuse, a Hall sensor and a fixed mounting frame. Aself-cooling mode is adopted for natural cooling, noise and cost are greatly reduced, energy is saved, emission is reduced, and maintenance is avoided. With the sectional bar evaporation condenser adopted, heat conduction efficiency can be effectively improved, heat resistance is reduced, processing is convenient, appearance is tidy and concise, equipment weight is reduced, and cost is reduced. The sectional bar frame structure is convenient to install and high in corrosion resistance, so that a protection level is enhanced, and standardized production is facilitated, and the problem that a traditional rectification cabinet body consumes energy, generates large noise, is poor in a heat dissipation effect, is exposed to potential safety hazards, and fails to monitor the real-time working temperature of a power electronic device in real time is solved.
Owner:郭培囵
An electric vehicle integrated controller
ActiveCN105644280BReal-time monitoring of working temperatureDriving safetyTyre measurementsSignalling/lighting devicesElectrical batteryElectric machinery
Owner:郑州佛光发电设备股份有限公司
Detachable lath type water lubrication stern bearing performance test bench
The invention discloses a detachable lath type water-lubricated stern bearing performance test bench, and relates to the field of test equipment. The test bench comprises a water-lubricated bearing base and a water-lubricated bearing, wherein a stern shaft is arranged in the water-lubricated bearing in a penetrating manner, one end of the stern shaft is arranged on a loading mechanism in a penetrating manner, and the other end of the stern shaft is connected with an intermediate shaft through a coupling; the end, away from the stern shaft, of the intermediate shaft is connected with a motor which is fixedly arranged on a motor support; an intermediate bearing is arranged on the intermediate shaft in a penetrating mode and installed on an intermediate bearing support. The bottom and one side of the loading mechanism are respectively connected with a hydraulic cylinder through a loading bracket; the water-lubricated bearing is uniformly drilled at different positions in the axial direction and different angles in the circumferential direction and provided with a plurality of water film pressure sensors, and eddy current displacement sensors perpendicular to one another are installedon the same section of the water-lubricated bearing. The water lubricated bearing is installed in a bearing sleeve, and the end of the bearing sleeve is connected with a circulating water system. Thetest bench can truly simulate the complex working conditions of the water-lubricated bearing, and is convenient to disassemble.
Owner:DALIAN UNIV OF TECH
Fire monitor motor driving and protecting circuit
PendingCN112769363AGet informed of working conditions in timeReal-time monitoring of working temperatureEmergency protective circuit arrangementsDC motor rotation controlElectric machineFull bridge
The invention belongs to the technical field of electric fire monitor control, and discloses a fire monitor motor driving and protecting circuit. The fire monitor motor driving and protecting circuit comprises a CPU, a driving circuit connected with the CPU, a power supply and a full-bridge circuit connected with the power supply and is used in a 24V direct-current working environment, wherein the driving circuit adopts an HIP4081A full-bridge driver. The motor driving and protecting circuit further comprises a linear voltage stabilizing circuit, a Hall current monitoring chip and an infrared temperature sensor, wherein the input end of the linear voltage stabilizing circuit is connected with the power supply, the output end of the the linear voltage stabilizing circuit is connected with the driving circuit, the linear voltage stabilizing circuit is used for reducing and stabilizing power voltage and outputting the power voltage for the driving circuit to use, the Hall current monitoring chip is connected with the output end of the full-bridge circuit in series and used for monitoring motor current and positive and negative rotation of the motor, and the infrared temperature sensor is connected with the CPU and used for monitoring the working temperature of the motor. Positive and negative rotation control of the motor can be realized, and the working condition of the motor can be timely known through current monitoring.
Owner:SICHUAN TECH & BUSINESS UNIV
Street-lamp intelligent matrix compensation type power saving device
InactiveCN103476166AImprove securityEasy maintenanceElectric light circuit arrangementEnergy saving control techniquesHuman–machine interfaceTransformer
A street-lamp intelligent matrix compensation type power saving device relates to the street lamp energy saving technology field. The device comprises a major loop circuit, a programmable controller, a power supply module used for providing power for each electric unit and a compensation transformer. An input terminal of the programmable controller is connected with a voltage transmitter and a temperature sensor. The voltage transmitter is connected with the major loop circuit. The voltage transmitter is used for collecting an output voltage of the major loop circuit. An output terminal of the programmable controller is connected with a thyristor output circuit and a touch screen. The thyristor output circuit is connected with a matrix-type multiple-tap transformer. The compensation transformer and the matrix-type multiple-tap transformer are connected in series. The programmable controller, the voltage transmitter and the temperature sensor collect voltages, currents and temperatures and carry out real-time monitoring so that normal and stable working of a system is guaranteed. Because of a human-machine interface, it is convenient for technology personnel to overhaul and check a technology parameter. Functions of fault alarm, recording, leading out, printing and the like are possessed.
Owner:江苏恒格节能科技有限公司
A vacuum pump safety monitoring method and device
ActiveCN112855515BReal-time monitoring of working temperatureImprove cooling effectPump testingPump controlVacuum pumpingThermodynamics
Owner:SHENZHEN XINLUYUAN ELECTRONICS EQUIP CO LTD
Low energy consumption biomass liquefying device
ActiveCN109161394AMeet heat absorption needsImprove utilization efficiencyLiquid hydrocarbon mixture productionAir preheaterMultiple stages
The invention belongs to the field of biomass fast pyrolysis liquefaction, particularly relates to a low energy consumption biomass liquefying device, and solves the problems of overhigh energy consumption and relatively low output proportion in the biomass pyrolysis liquefaction process. The device mainly comprises a feed bin heating jacket, a carbon powder burner, a multistage air preheater, a biomass pyrolysis reactor, a plate-type nitrogen preheater, a gas-solid cyclone separator, a fast condensing system, a metal filter and the like. According to the low energy consumption biomass liquefying device disclosed by the invention, the heating rate of biomass is greatly improved by use of rotating centrifugal force and a honeycomb channel; due to gas-liquid bubbling mixing, quick condensingis realized and the generation proportion of biomass oil is increased. Meanwhile, heat required by pyrolysis is mainly provided by burning biomass carbon particles, so that the self sufficiency of energy is realized; in addition, the heat of flue gas is recovered by multiple stages, so that heat loss of exhausted smoke is reduced, and heat efficiency of the whole set of device is improved. By adopting the low energy consumption biomass liquefying device disclosed by the invention, the oil yield of biomass fast pyrolysis liquefaction can be improved to 65 percent or above.
Owner:SHANXI UNIV
Street-lamp intelligent power saving device
InactiveCN103476167AImprove securityPlay a role in stabilizingElectric light circuit arrangementEnergy saving control techniquesMicrocontrollerMicrocomputer
A street-lamp intelligent power saving device relates to the street lamp energy saving technology field. The device comprises a major loop circuit, a single-chip microcomputer, a power supply module used for providing power for each electrical unit and a compensation transformer. An input terminal of the single-chip microcomputer is connected with a voltage transmitter and a temperature sensor. The voltage transmitter is connected with a major loop circuit. The voltage transmitter is used to collect an output voltage of the major loop circuit. An output terminal of the single-chip microcomputer is connected with a thyristor output circuit and a touch screen. The thyristor output circuit is connected with a matrix-type multi-tap transformer. The compensation transformer is connected in series with the matrix-type multi-tap transformer. The single-chip microcomputer, the voltage transmitter and the temperature sensor collect voltages, currents and temperatures so as to form PID closed loop control. Input and output voltages, and operating temperatures of the compensation transformer and the matrix-type multi-tap transformer are monitored in real time so that normal and stable working of a system is guaranteed. Because of a human-machine interface, it is convenient for technology personnel to overhaul and check a technology parameter. Functions of fault alarm, recording, leading out, printing and the like are possessed.
Owner:江苏恒格节能科技有限公司
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