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52results about How to "Control wind speed" patented technology
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Intelligent variable frequency electric hair dryer and control system and method thereof
InactiveCN105639981AReduce power consumptionEasy to operateTransmission systemsHair dryingSignal onControl system
The invention relates to an intelligent variable frequency electric hair dryer and a control system and method thereof. The intelligent variable frequency electric hair dryer comprises a temperature detection module, a temperature regulating module, an air speed regulating module, a main control module and a power module. The temperature detection module detects temperature sensing signals on the surface of the human body hair in real time and converts the temperature sensing signals into electric signals. The main control module reads corresponding temperature values according to the electric signals, compares the temperature values with a preset temperature threshold value, and adaptively controls the working state of the temperature regulating module and the working state of the air speed regulating module according to comparison results to maintain the temperature of the surface of the human body hair to be constantly around the preset temperature threshold value. Temperature data of the surface of the hair is collected through the temperature detection module, on one hand, the output temperature and air speed of the electric hair dryer are controlled according to the collected data, one the other hand, the data is transmitted to a mobile terminal through a WIFI, and the temperature and air speed are controlled through the mobile terminal so that healthy, safe and intelligent drying can be achieved for all users through sharing.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)
A user comfort-based energy-saving control method in a refrigerating mode of an air conditioner
ActiveCN106895541AControl operating frequencyControl wind speedMechanical apparatusSpace heating and ventilation safety systemsEngineeringTemperature difference
The invention provides a user comfort-based energy-saving control method in a refrigerating mode of an air conditioner. Through monitoring of indoor and outdoor temperature and based on the temperature difference between indoor temperature and set temperature of an energy-saving control mode, the method can control the operation frequency of an inverter compressor, the opening degree of an electronic expansion valve and the wind speed of indoor and outdoor fans more accurately, so that the operation power of a whole air conditioner can be reduced as much as possible on the premise that the user comfort is guaranteed.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD
Inflatable-seal-type cross-flow drying oven with dual drying cars
InactiveCN102620533AIncrease throughputReduce drying costsDrying gas arrangementsDrying solid materialsFresh airMoisture
The invention relates to the field of drying equipment, in particular to an inflatable-seal-type cross-flow drying oven with dual drying cars, which has the advantages of even drying, large processing capacity, good sealing property and high heat utilization rate. The drying oven comprises a oven body (1); two drying chambers (2) are arranged in the oven body (1) symmetrically; a fresh air inlet (3), a moisture outlet (4) and an air draft device are arranged at the top of the oven box (1) respectively; an air-out chamber (5) is arranged between the drying chambers (2); an air-in chamber (6) is formed among the top of the drying chamber (2), the side of the drying chambers (2) close to the oven body (1) and the oven body (1); drying cars (7) are arranged in the drying chambers (2); a filter (8) is arranged at the side, close to the air-in chamber (6), of the drying chambers (2) and the other side is communicated with the air-out chamber (5) by an inflatable-seal device; the filter (8) is arranged at the part corresponding to the air draft device, above the air-out chamber (5); the fresh air inlet (3) is communicated with the drying chambers (2) by a heater (9) arranged in the air-in chamber (6); and the moisture outlet (4) is connected with the air draft device.
Owner:马文
Novel fruit and vegetable transport case, intelligent variable ventilation system and realizing method thereof
ActiveCN101968049AExcellent flow field uniformityImprove qualityLiving organism packagingPump controlFrequency conversionInteraction interface
The patent refers to the field of 'pumps for elastic fluids'. The invention discloses an intelligent variable ventilation system. The intelligent variable ventilation system comprises a control module, a frequency conversion module, a fan, a human-computer interaction interface and a signal acquisition module, wherein the human-computer interaction interface, the control module, the frequency conversion module and the fan are connected with one another sequentially; and the signal acquisition module is connected with the control module and the human-computer interaction interface respectively. The invention also discloses a method for realizing the intelligent variable ventilation system. In the method, the control module performs intelligent variable control on the rotating speed of the fan by a fuzzy control method according to signals acquired by the signal acquisition module, so that different ventilation rates are obtained. The invention also discloses a novel fruit and vegetable transport case. The novel fruit and vegetable transport case comprises the fan, a case shell and an internal case structure, wherein the case shell consists of an upper panel, a lower panel, a left panel, a right panel, a front panel and a rear panel; and the internal case structure comprises an air return duct, a fan mounting plate and an open pore partition board. The invention has the advantages of simple structure, convenience of processing, high intellectualization and the like, and contributes to improving the freshness-retaining quality of fruits and vegetables.
Owner:SOUTH CHINA AGRI UNIV
Range hood intelligent control system and one-key type range hood
InactiveCN103868119ASimple operation and controlGood practicalityDomestic stoves or rangesLighting and heating apparatusIntelligent control systemControl function
The present invention relates to the technical field of control of fume exhaust parts in household kitchen, and especially relates to a range hood intelligent control system. The system includes a one-key type touch control device, a main control module, a rotating speed control module, a PWM control module and a time setting module. The main control module is in signal connection with the one-key type touch control device, and is used for receiving operation command from the one-key type touch control device; the main control module is in control connection with the rotating speed control module, the PWM control module and the time setting module; and the rotating speed control module and the PWM control module are respectively electrically connected to a DC motor and a lighting lamp. The one-key type touch control device is provided with a switch button, a time setting button, a illumination brightness touch button, a touch sliding control strip and a display screen. Compared with the prior art, the invention has the advantages of simple structure, convenient operation, various control functions and good appearance. The invention also provides a one-key type range hood with the intelligent control system.
Owner:GUANGDONG MACRO GAS APPLIANCE
Range hood and lampblack detection method and method and wind speed regulating method of range hood
ActiveCN105318383AControl wind speedIntelligent control workDomestic stoves or rangesLighting and heating apparatusOptoelectronicsContamination
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Electronic device used for fan and intelligent fan with electronic device
InactiveCN106286356ALower purchase costRich and flexible operationPump controlNon-positive displacement fluid enginesRemote controlControl system
The invention relates to the field of electric fans, in particular to an electronic device used for a fan and the intelligent fan. The problems that when a common fan uses an infrared remote control, the remote control angle and the remote control distance are limited, and a timer is inaccurate and low in precision are solved. The fan has the problems that no stepless speed regulation exists / a user feels uncomfortable when the natural air is used / the wind speed is too large for infants / the sleeping needs cannot be met / the different use occasions cannot be met / remote operation cannot be achieved through the internet. The electronic device is mounted between an original fan circuit control system and a fan core component, by detecting whether voltage exists in the original fan circuit control system or not and through detection of the change condition of the voltage, the manual operation of the user for the fan is identified, meanwhile, the WIFI / Bluetooth / Zigbee / 2G / 3G / 4G wireless manner is used for replacing the traditional infrared manner, and the user can carry out remote control through an intelligent terminal; through the manner, fan new mold making / circuit board design / development and production investment for replacement of a direct-current motor can be avoided, and the production cost of the intelligent fan can be greatly reduced.
Owner:徐冠军
Range hood capable of regulating wind speed automatically
InactiveCN105318386AControl wind speedIntelligent control workDomestic stoves or rangesLighting and heating apparatusContaminationWind speed
The invention discloses a range hood capable of regulating the wind speed automatically. A light emitter and a light receiver are arranged on the side wall of the range hood. The light emitter can emit pulse light towards a lampblack collection cavity of the range hood. The light receiver can receive the light which is emitted by the light emitter and penetrates through a lampblack area or is reflected by the lampblack area. According to the range hood capable of regulating the wind speed automatically, the wind speed of a draught fan can be regulated automatically, operation is convenient, and energy saving is achieved while contamination caused by kitchen lampblack is fully prevented.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Air circulation system and air circulation method of FPSO
PendingCN111846186AAchieve positive pressureAvoid enteringAuxillariesVessel ventillation/heating/coolingAir volumeCollection system
The invention discloses an air circulation system and an air circulation method of FPSO, which are used in a living building of the FPSO. The air circulation system comprises an air collection system,an air return system, an air supply system, an exhaust system and a system control device, wherein the air collection system is used for pumping fresh air from the outside; the air return system is used for carrying out mixed circulation on air in a cabin; the air supply system is used for supplying air to all positions in the cabin; the exhaust system is used for exhausting the air in the cabinto the outside; and the system control device is electrically connected with the above systems. Air pipes of all the systems are the same; an air volume value is equal to a product of the unit time, an air speed value and an air pipe section area; the system control device can continuously detect and adjust the wind speed of each system; and a sum of a fresh air volume of the air collection systemand an air return volume of the air return system is equal to an air supply volume of the air supply system, and the sum of the air supply volume of the air supply system and the air return volume ofthe air return system is smaller than the air supply volume of the air supply system so that positive pressure is formed between the cabin and the outside, outside air difficultly enters the cabin, and safety of living areas is improved.
Owner:SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD
Smoke exhauster as well as smoke detection method and wind speed adjusting method thereof
InactiveCN105299719AControl wind speedIntelligent control workDomestic stoves or rangesLighting and heating apparatusEngineeringPollution
The invention discloses smoke concentration detection method for a smoke exhauster. The method comprises the steps that the intensity of light which comes from a determined light source and passes through an oil smoke area is detected, and the smoke concentration at the oil smoke area and / or the smoke concentration change trend are / is determined. The invention further discloses a wind speed automatic adjusting method for the smoke exhauster. The method comprises the step that the intensity / or the intensity change trend of the light which comes from the determined light source and passes through the oil smoke area of the smoke exhauster is detected. The invention also discloses the smoke exhauster which is capable of automatically adjusting the wind speed. A light emitter and a light receiver are correspondingly arranged on two opposite side walls of the smoke exhauster, so that the light which is emitted by the light emitter and passes through the oil smoke area of the smoke exhauster can be received by the light receiver. According to the smoke exhauster which is capable of automatically adjusting the wind speed, the wind speed of a fan can be automatically adjusted; the operation is convenient; and while the smoke pollution in a kitchen is fully avoided, an energy-saving effect can also be realized.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Cutting chipping gas-solid separation and dust collection treatment system
InactiveCN104338404AEasy to separateReduce the impact of settlementCombination devicesBaghouseMachine tool
The invention discloses a cutting chipping gas-solid separation and dust collection treatment system. The cutting chipping gas-solid separation and dust collection treatment system structurally comprises an induced air dust collection cover device arranged on a machine tool in a sliding manner; two settling bins are arranged in parallel under the induced air dust collection cover device; electric unloaders are arranged at the bottoms of the two settling chambers; an air outlet pipeline is arranged at one sides of the settling chambers; a scraper conveyor is arranged under the electric unloaders; an elevator is arranged at the discharge end of the scraper conveyor and connected with a storage bin; the air outlet pipeline is connected with a pulsing bag-type dust remover; a screw discharger is arranged under the pulsing bag-type dust remover; an air outlet of the pulsing bag-type dust remover is connected with an induced draft fan which is connected with a chimney. The cutting chipping gas-solid separation and dust collection treatment system is capable of overcoming the shortcomings in the prior art; as a result, the air pressure and air speed requirements of the system are reduced, the abrasion of particle recovering to the pipeline is reduced and the dust removal effect is good; besides, the labor intensity is reduced and the production efficiency is improved.
Owner:河北顺天电极有限公司
Multifunctional stage effect making device
The invention belongs to the field of stage equipment, and particularly relates to a multifunctional stage effect making device. The multifunctional stage effect making device comprises a box, wherein an air blowing system is arranged in the front of the box; a smoke sprayer, a bubble maker and a snowflake maker are arranged at the rear of the box; the smoke sprayer is arranged on the left side of the rear of the box and is connected with the air blowing system; the smoke sprayer comprises a smoke oil tank, a smoke oil pump and a heater which are connected successively; the bubble maker is arranged in the middle of the rear of the box and is connected with the air blowing system; the bubble maker comprises a bubble oil tank, a bubble oil pump and a groove which are connected successively; the groove is formed in the air blowing system; the snowflake maker is arranged on the right side of the rear of the box and is connected with the air blowing system; and the snowflake maker comprises a snowflake oil tank, a snowflake oil pump and a condenser which are connected successively. The multifunctional stage effect making device has the advantages of integrating smoke making, bubble making and snowflake making; the use space and use cost can be saved effectively; and meanwhile, the stage effect making efficiency can be greatly improved.
Owner:BEIJING RANGL AUDIO
Range hood and wind speed regulating system and method thereof
InactiveCN105318384AControl wind speedIntelligent control workDomestic stoves or rangesLighting and heating apparatusContaminationWind speed
The invention discloses a range hood. The range hood comprises a key for starting manual regulation of the wind speed, a key for starting automatic regulation of the wind speed, a light emitter and a light receiver. The light emitter can emit light towards a lampblack collection cavity of the range hood. The light receiver can receive the light which is emitted by the light emitter and penetrates through the lampblack collection cavity or reflected by lampblack in the lampblack collection cavity. After a wind speed regulating command is emitted by the key for manual regulation of the wind speed, the wind speed of the range hood is regulated by according to the wind speed regulation command. After an automatic wind speed regulating command is emitted by the key for starting automatic regulation of the wind speed, the wind speed of the range hood is regulated according to the information of the light which is received by the light receiver and emitted by the light emitter and penetrates through the lampblack in the lampblack collection cavity or is reflected by the lampblack in the lampblack collection cavity. According to the range hood capable of regulating the wind speed automatically, the wind speed of a draught fan can be regulated automatically, operation is convenient, and energy saving is achieved while contamination caused by kitchen lampblack is fully prevented.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Automatic walnut shell and kernel mixture airflow sorting machine
PendingCN112845079AControl flowControl wind speedGas current separationVortex flow apparatusWalnut NutAir velocity
The invention discloses an automatic movable walnut shell and kernel mixture airflow sorting machine. The sorting machine comprises a vibratory feeding machine, an automatic material limiting and air adjusting device, a negative pressure fan, a diaphragma juglandis settling box, a cyclone dust collector, a walnut kernel discharging port automatic height adjusting device, a control cabinet and a walnut shell collecting device. The sorting machine is characterized in that a frequency converter controls the amplitude and frequency of a vibrating motor so as to control the material flow of walnut shell and kernel mixtures of different grades, the automatic material limiting and air adjusting device mounted at a feeding port controls the size and the air speed of inlets of materials of different grades, the materials flow into a shell and kernel separation cavity through an impurity removing system and a slide carriage and pass through the negative pressure fan, and walnut kernels are collected from the lower end of the discharging port, and walnut shells pass through the separation cavity and enter an unloading box to be collected. According to the sorting machine, automatic control over the material flow of the shell and kernel mixtures of different grades and the required air speed and air quantity is realized, and the sorting machine is suitable for separation and collection of the shells, the kernels and diaphragma juglandis of different grades generated after mechanical walnut shell breaking.
Owner:XINJIANG UNIVERSITY
Cooling fin and electric power conversion device comprising same
ActiveCN104105382AGuaranteed CompatibilityControl wind speedAc-dc conversionCooling/ventilation/heating modificationsFresh airHeat sink
The present invention provides a cooling fin which is not only provided with an air suction port at a right side of the cooling fin, but also additionally provided with a plurality of air suction ports on any side surface in the middle from the right side of the cooling fin to a back side of the cooling fin, and additionally provided with air suction ports on any bottom surface in the middle from the right side of the cooling fin to the back side of the cooling fin, so as to obtain the air newly sucked from the air suction ports between an upstream side and a downstream side of the cooling fin. Air can be sucked from the plurality of air suction ports provided at any side surface or bottom surface in the middle from the right side of the cooling fin to the back side of the cooling fin, therefore, external fresh air is sucked from any position inside the cooling fin, turbulent flow may occur due to collision of two air flow vectors formed by the air from the air suction port at one side towards the back side and the air sucked from the other plurality of air suction ports in the direction perpendicular to the direction of the above-mentioned air.
Owner:FUJI ELECTRIC CO LTD
Flue gas device for a hazardous waste incineration system
InactiveCN109340780AControl wind speedExtended stayEmission preventionAir/fuel supply for combustionLiquid wasteCombustion chamber
The invention discloses a flue gas device for a hazardous waste incineration system. The flue gas device comprises a main combustion chamber, a secondary combustion chamber and a fan assembly, the upper end and the lower end of a hollow sealing piece are fixedly connected with an outer cylinder and a shell respectively, the hollow sealing piece is provided with through holes, the bottom of the shell is provided with a first air inlet hole, a second air inlet hole is formed in a fire blocking portion, a radial air distribution layer and a tangential air distribution layer are arranged on the side wall of an upper cavity, a third opening is formed in the upper wall of the upper cavity, the radial air distribution layer is provided with a radial air inlet hole, a tangential air inlet hole isformed in the tangential air distribution layer, a secondary combustion chamber waste liquid combustion-supporting machine is in communication with the radial air inlet hole, a cooling fan is in communication with the tangential air inlet hole, one end of a flue gas heater is in communication with the third opening, and the other end of the flue gas heater is in communication with an induced draftfan. The flue gas device has the advantages that the air speed of the flue gas can be effectively controlled, and the residence time of the flue gas can be improved.
Owner:XINZHONGTIAN ENVIRONMENTAL PROTECTION
Wind speed regulating system and method for range hood
InactiveCN105318385AControl wind speedIntelligent control workDomestic stoves or rangesLighting and heating apparatusEngineeringContamination
The invention discloses an automatic wind speed regulating system for a range hood. The automatic wind speed regulating system for the range hood comprises a lampblack detecting module and a draught fan regulating module. The lampblack detecting module is used for detecting the result of the effect of a lampblack area on light and sending the detection result to the draught fan regulating module or is used for speculating the lampblack concentration information of the lampblack area by means of the detection result and sending a speculation result to the draught fan regulating module. The draught fan regulating module is used for giving out a regulation command to a draught fan according to the detection result or the speculation result sent from the lampblack detecting module. The invention further discloses an automatic wind speed regulating method for the range hood. According the automatic wind speed regulating system for the range hood, the wind speed of the draught fan of the range hood can be regulated automatically, operation is convenient, and energy saving is achieved while contamination caused by kitchen lampblack is fully prevented.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Preparation method and preparation system of vanadium-titanium pellets
The invention discloses a preparation method and a preparation system of vanadium-titanium pellets. The system comprises a chain grate, a rotary kiln and a cooling fan which are communicated, the chain grate comprises a blow-drying section, an air draft section, a first preheating section and a second preheating section which are communicated in sequence, the preheating section II is communicatedwith the rotary kiln, the cooling fan comprises a first annular cooler section, a second annular cooler section and a third annular cooler section which are sequentially communicated, and the first annular cooler section is communicated with the rotary kiln. According to the preparation method and the preparation system of the vanadium-titanium pellets, a cold air valve is arranged, the air temperature and the air speed of each section can be controlled, and the original phenomenon that the air speed cannot be continuously increased due to high air temperature is improved, so that the temperature of each section is better controlled, the pellet drying, preheating, roasting and cooling effects are guaranteed, and high-yield and high-quality pellets are generated.
Owner:攀枝花钢企米易白马球团有限公司
Intelligent exhausting system capable of isolating back-stage interference
InactiveCN107806438AIntelligent coolingSimple structureEngine controlPump controlOvervoltageEngineering
The invention discloses an intelligent exhausting system capable of isolating back-stage interference. The intelligent exhausting system is characterized by comprising a power supply module, a temperature sensor U1, a fan M, a processing chip U2, a resistor R11 which is connected between a pin 2 and a pin 4 of the processing chip U2 in series, a resistor R10 which is connected between a VOUT pin of the temperature sensor U1 and a pin 1 of the processing chip U2 in series, and a capacitor C7 with one end connected with the VOUT pin of the temperature sensor U1 and the other end connected with aGND pin of the temperature sensor U1 and the like. According to the intelligent exhausting system disclosed by the invention, a wind speed of the fan can be automatically adjusted according the temperature in a workshop, so that the temperature in the workshop is intelligently reduced; the intelligent exhausting system is simple in structure and high in intelligent degree and is suitable for being widely used. The intelligent exhausting system has an over-voltage protection function, and damages caused by high voltage on the system are avoided.
Owner:四川新驱科为科技有限公司
Low-energy-consumption environment control all-in-one machine for residence and control method thereof
ActiveCN113483395AHigh degree of integrationReduce energy consumptionMechanical apparatusSpace heating and ventilation safety systemsProcess engineeringFresh air
The invention provides a low-energy-consumption environment control all-in-one machine for residence. The low-energy-consumption environment control all-in-one machine comprises an indoor unit and an outdoor unit, wherein a first air filter screen, an indoor first heat exchanger, an indoor second heat exchanger, an air feeder, a refrigerant inlet pipe, an indoor unit electronic expansion valve, an indoor unit electromagnetic valve, an electronic air valve, a heat exchange core, an exhaust fan, an indoor unit fresh air bypass valve and a humidifier are arranged in the indoor unit; and a compressor, a gas-liquid separator, a four-way valve, a condenser, an axial flow fan, an outdoor unit electronic expansion valve and an outdoor unit bypass valve are arranged in the outdoor unit. According to the environment control all-in-one machine, the internal structure of the indoor unit is ingeniously designed, the functions of refrigerating, heating, dehumidifying, fresh air heat recovery, fresh air bypass, humidifying and the like are achieved at the same time, the integration and intelligence degree is high, and the energy consumption is low. The invention further provides a control method of the low-energy-consumption environment control all-in-one machine for residence. According to the control method, intelligent automatic adjustment can be realized, and the target air environment can be obtained with the minimum energy consumption.
Owner:广州丹特怡家科技有限公司
Pulse width modulation closed loop control circuit for speed regulation module
ActiveCN106224276AControl wind speedStable controlPump controlNon-positive displacement fluid enginesLoop controlLow-pass filter
The invention provides a pulse width modulation closed loop control circuit for a speed regulation module. The pulse width modulation closed loop control circuit for the speed regulation module comprises a load, a control circuit, a low-pass filter circuit, a difference amplifier, a comparison circuit, an oscillator and a speed regulation circuit, wherein the first end of the load is connected to a power supply VBAT; the second end of the load is grounded through the speed regulation circuit; the control circuit outputs a PWM (pulse width modulation) signal; the low-pass filter circuit is connected with the output end of the control circuit and is used for converting the PWM (pulse width modulation) signal to a direct-current signal and outputting the direct-current signal; the difference amplifier carries out sampling and amplifying on voltages at the two ends of the load and outputs an amplifying signal; the comparison circuit compares the amplifying signal to the direct-current signal and outputs a difference signal; the duty ratio of the PWM signal output by the output end of the oscillator is regulated according to the difference signal; and the output end of the speed regulation circuit is connected with the second end of the load. According to the pulse width modulation closed loop control circuit for the speed regulation module, pulse width modulation control is carried out on the speed regulation module, so that the voltages at the two ends of a fan are still stable when the voltage of the power supply varies, and the wind speed is stably controlled.
Owner:BEIJING ELECTRIC VEHICLE
Range hood and lampblack detection method and wind speed regulating method of range hood
ActiveCN105318379AControl wind speedIntelligent control workDomestic stoves or rangesLighting and heating apparatusOptoelectronicsContamination
The invention discloses a method for detecting the lampblack concentration of a range hood. The method comprises the steps that the intensity of light penetrating through a lampblack area and the intensity of light, from the same light source as the light penetrating through the lampblack area, reflected by the lampblack area are detected through two light receivers respectively, and the lampblack concentration of the lampblack area or the variation tendency of the lampblack concentration of the lampblack area is judged through the difference value between the light intensities received by the two light receivers. The invention further discloses an automatic wind speed regulating method of the range hood. The automatic wind speed regulating method of the range hood is characterized by comprising the steps that the intensity of the light penetrating through the lampblack area and the intensity, from the same light source as the light penetrating through the lampblack area, of the light reflected by the lampblack area are detected through the two light receivers respectively, and the difference value between the light intensities received by the two light receivers is calculated. The invention further discloses the range hood capable of regulating the wind speed automatically. According to the range hood capable of regulating the wind speed automatically, the wind speed of a draught fan can be regulated automatically, operation is easy, and energy saving is achieved while contamination caused by kitchen lampblack is fully prevented.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Self-checking system and self-checking method for range hood capable of regulating wind speed automatically
ActiveCN105318381AControl wind speedIntelligent control workDomestic stoves or rangesLighting and heating apparatusOptoelectronicsDevice failure
The invention discloses a self-checking system for a range hood capable of regulating the wind speed automatically. The self-checking system for the range hood capable of regulating the wind speed automatically comprises a light emitting module, a light receiving module and a judgment module. The light emitting module can emit working light towards a lampblack collection cavity of the range hood. The light receiving module can receive the working light which is emitted by the light emitting module, penetrates through a lampblack area and reflected by the lampblack area. The judgment module obtains the signal value of the working light emitted by the light emitting module and the signal value of the working light received by the light receiving module and conducts equipment fault judgment according to the obtained signal values. The invention further discloses a self-checking method for the range hood capable of regulating the wind speed automatically. According to the range hood capable of regulating the wind speed automatically, it can be guaranteed that the range hood is in a good working state through self-checking, the wind speed of a draught fan can be adjusted automatically, operation is convenient, and energy saving is achieved while contamination caused by kitchen lampblack is fully prevented.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Crushing and drying all-in-one machine
ActiveCN114082489AIncrease the heating areaImprove heat transfer performanceDrying gas arrangementsGrain treatmentsElectric machineSlag
The invention belongs to the technical field of steel slag treatment and relates to a crushing and drying all-in-one machine. The crushing and drying all-in-one machine comprises a shell, a spiral crushing cutter, an air heater and a motor; one end of the shell is communicated with the air heater; the shell is in meshed connection with a motor gear on the motor through a shell gear ring; the shell comprises a crushing cavity shell; a high-temperature-resistant thermal pipe is wrapped with the crushing cavity shell; a crushing cavity is formed between the crushing cavity shell and the high-temperature-resistant thermal pipe; the spiral crushing cutter is installed in the crushing cavity; the high-temperature-resistant thermal pipe is wrapped, so that a high-temperature air cavity can be formed; one end of the high-temperature air cavity is communicated with an air outlet of the air heater; and the shell is movably installed on a rack. The crushing cavity shell sleeves the high-temperature air cavity;steel slag is dried while being crushed; the heating area of the steel slag is increased through stirring of crushing, so that a drying effect is better; the high-temperature-resistant thermal pipe is high in heat conductivity and not prone to high-temperature deformation.
Owner:山东永鑫环保科技有限公司
Range hood capable of regulating wind speed automatically
InactiveCN105318382AControl wind speedIntelligent control workDomestic stoves or rangesLighting and heating apparatusContaminationWind speed
The invention discloses a range hood capable of regulating the wind speed automatically. A light emitter and a light receiver are correspondingly arranged on the side wall of the range hood. The light emitter can emit light towards a lampblack collection cavity of the range hood. The light receiver comprises a light receiver probe which faces the lampblack collection cavity of the range hood. A light shield device extends forwards from at least part of the periphery of the light receiver probe. According to the range hood capable of regulating the wind speed automatically, the wind speed of a draught fan can be adjusted automatically, operation is convenient, and energy saving is achieved while contamination caused by kitchen lampblack is fully prevented.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Blast device for random marking apparatus
InactiveCN106379046AControl wind speedControl wind directionOther printing apparatusPrinting press partsCold airEngineering
The invention relates to a blast device for a random marking apparatus. The blast apparatus comprises one to N draught fans, one to N air channels, one to N air outlets and one to N valves. The blasting air is normal temperature air, hot air and cold air; the valve can be a single-way valve and a proportion valve; and wind speed and directions of the air outlet can be controlled by a controller and a sensor. The blast device can be applied to an anti-fake label marking stage and / or a drying stage; oil ink can be blasted; a position of the oil ink falling on medium and a shape of the oil ink falling on the medium can be effected; and meanwhile, the oil ink can be quickly dried.
Owner:石立公
The method of increasing tomato yield in spring solar greenhouse by regulating ventilation mode
ActiveCN110574642BIncrease productionImprove ecological indicatorsFruit crop cultivationFruit setAgricultural engineering
The invention belongs to the technical field of greenhouse tomato cultivation, and in particular relates to a method for increasing the yield of greenhouse tomatoes in spring by regulating and controlling the ventilation mode. The method measures multiple indexes of greenhouse tomatoes with different ventilation modes, and obtains: Seedling stage: After the tomato seedlings are transplanted slowly, the solar greenhouse adopts the south-north ventilation mode, and closes the top window vents; during the flowering and fruit-setting period: when the daily average cumulative temperature in the solar greenhouse is ≤850-900°C, the top-north ventilation mode is adopted. Close the south window vent; when the daily average cumulative temperature in the solar greenhouse is >850-900°C, adopt the south-north-top ventilation mode; mature picking period: adopt the combined ventilation mode of the south-north-top ventilation mode; The greenhouse microenvironment provides a theoretical basis for improving the quality and yield of tomatoes.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
An energy-saving control method for air conditioners in cooling mode based on user comfort
ActiveCN106895541BControl operating frequencyControl wind speedMechanical apparatusSpace heating and ventilation safety systemsEngineeringTemperature difference
The invention provides a user comfort-based energy-saving control method in a refrigerating mode of an air conditioner. Through monitoring of indoor and outdoor temperature and based on the temperature difference between indoor temperature and set temperature of an energy-saving control mode, the method can control the operation frequency of an inverter compressor, the opening degree of an electronic expansion valve and the wind speed of indoor and outdoor fans more accurately, so that the operation power of a whole air conditioner can be reduced as much as possible on the premise that the user comfort is guaranteed.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD
Plasma gas purifier capable of simultaneously sterilizing, killing viruses and deodorizing
PendingCN113058394AReduce volumeSave installation spaceGas treatmentDispersed particle separationProcess engineeringPlasma Gases
The invention discloses a plasma gas purifier capable of simultaneously sterilizing, killing viruses and deodorizing, and relates to a waste gas purification treatment technology. The plasma gas purifier is characterized by comprising a gas guide pipeline, a plurality of staggered baffle plates and a plurality of plasma generators, wherein the baffle plates are arranged in the gas guide pipeline and are used for prolonging the gas flowing distance and reducing the sectional area of gas passing through, the plasma generators are arranged in the gas guide pipeline along the gas flowing path, and a fan is arranged at an inlet of the gas guide pipeline. Compared with the prior art, the plasma gas purifier has the advantages of being small in size, convenient to use, free of replacement of filter materials and low in use cost.
Owner:佛山市己阿已磁电设备有限公司
Horizontal axis draught fan with small blades capable of periodically swinging
PendingCN110145434AImprove conversion efficiencyControl wind speedWind motor controlMachines/enginesGear wheelHorizontal axis
The invention discloses a horizontal axis draught fan with small blades capable of periodically swinging. A tower frame, a hub, big blades, the small blades, a screw shaft, a chain, an upper chain wheel, a lower chain wheel, a hand wheel, long cylinder pin rods, connecting rods, sliding rods, sliding sleeves, L-shaped crank rods, movable gears, a fixed gear, a sliding sleeve supporting ring and abracket are included. Under the action of wind, the big blades drive the hub to do the rotation movement, the three movable gears can be driven to do the planet movement around the fixed gear throughrotation of the hub, and accordingly a crank and rocker mechanism is composed of the big blades, the L-shaped crank rods, the connecting rods and the small blades. The small blades are driven to periodically swing through the plane movement of the connecting rods, accordingly, the airflow speed can be effectively controlled, and the wind energy conversion efficiency is improved. On the other hand,through changing of the positions of sliding blocks on L-shaped cranks, the small blade swinging angle can be adjusted, the structure is scientific, operation is convenient, and the horizontal axis draught fan is worthy of popularization.
Owner:JINLING INST OF TECH
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