Patents
Literature
17results about How to "Avoid loud noise" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Seat heightening driving mechanism
The utility model discloses a seat height adjustment driving mechanism which comprises a speed reduction part and an output part connected with the speed reduction part. The input part is connected with the speed reduction part; the input part comprises a brushless direct current motor, a worm arranged at the output end of the brushless direct current motor and a worm gear matched with the worm. The direct-current brushless motor replaces a direct-current brush motor, so that the direct-current brushless motor is stable in operation, relatively low in vibration noise, high in efficiency, low in energy consumption, environment-friendly, free of friction between a commutator and a carbon brush, capable of prolonging the service life by four times, capable of operating at a constant speed without load change within the working torque range of the motor, small in size, small in size and high in reliability. The motor has the advantages of simple structure, light weight, compact structure, convenience in installation and carrying and high power density.
Owner:JIANGSU MOXUN TECH CO LTD +1
Washing equipment, control method thereof and electronic equipment
PendingCN119491359Aavoid damageavoid loud noiseControl devices for washing apparatusTextiles and paperStructural engineeringVibration detection
The invention provides washing equipment, a control method thereof and electronic equipment. The washing apparatus includes a tub assembly, a tray, a vibration detection module, and a control module. The disc seat is arranged above the barrel assembly, a collision rod is arranged on the disc seat, and the collision rod is used for receiving collision of the barrel assembly; the vibration detection module is arranged on the disc seat, the vibration detection module detects the vibration quantity generated by the disc seat under the action of the collision, and when the detected vibration quantity exceeds a vibration quantity threshold value, a trigger signal for triggering a vibration detection pulse is sent out; the control module is configured to receive the trigger signal and determine a deviation correction instruction according to the pulse width of the trigger signal. The collision rod and the vibration detection module are arranged on the disc seat, when the barrel assembly eccentrically rotates, the barrel assembly firstly collides with the collision rod before colliding with the box body, then vibration of the disc seat is caused, a vibration pulse signal is captured by the vibration sensor, and the purpose of preventing the barrel assembly from colliding with the box body is achieved.
Owner:QINGDAO HAIER WASHING MASCH CO LTD +1
Damping-adjustable noise reduction track fastener
The utility model relates to the technical field of track fasteners, in particular to a damping-adjustable noise reduction track fastener, which comprises a device body, a damping device, a damping device and a damping device, the device body comprises a sleeper, the surface of the sleeper is connected with a fixing piece, and the surface of the fixing piece is connected with a sliding rail; adjusting mechanisms are inserted into the two sides of the bottom of the fixing piece and comprise first screws, and the outer walls of the first screws are sleeved with fixing rings. One end of the first screw rod penetrates through the through hole formed in the fixing ring to be rotationally connected into the threaded groove formed in the fixing piece, the second screw rod is rotated to be separated from the interior of the threaded groove formed in the fixing ring, and then the distance between the fixing ring and the supporting pile is moved; and one end of a second screw rod penetrates through a through groove formed in the supporting pile and is rotationally connected to the interior of a first threaded hole formed in the fixing ring, the fixing ring is limited, the moving position of the fixing ring is only limited to the length of the through groove formed in the supporting pile, and therefore the elasticity adjusting effect is achieved.
Owner:NANJING INST OF RAILWAY TECH
Robot welding gun sand blasting type gun cleaning station
The utility model provides a robot welding gun sand blasting type gun cleaning station which comprises a main box body, a sand blasting system, a pneumatic system, an electromagnetic valve control and recovery system and a wire cutting and oil spraying assembly, and the sand blasting system is located at the top of the main box body and connected with the electromagnetic valve control and recovery system. The wire shearing and oil spraying assembly is arranged on one side of the sand blasting system and connected with the pneumatic system, the electromagnetic valve control and recovery system comprises an electromagnetic valve assembly, a main control system and a recovery system, and the electromagnetic valve assembly and the pneumatic system are both arranged on the outer side of the main box body; the recovery system is arranged in the middle of the main box body and located at the bottom of the sand blasting system. The recovery system comprises a sand storage bin, an aerodynamic filter and a recovery and classification integrated bin. According to the gun cleaning station, the aerodynamic filter is additionally arranged, the size is small, the wire cutting and oil spraying assembly is simple in structure, the wire is driven smoothly, the overall structure is optimized, the failure rate is reduced, and the working rhythm is improved.
Owner:GUANGZHOU TAIBAI TECH CO LTD
Charging pile heat dissipation treatment method, device, electronic equipment and storage medium
The embodiment of the present invention provides a method, device, electronic device and storage medium for heat dissipation of a charging pile. The method includes: releasing a first airflow through an air outlet of a first ventilation duct on a target charging pile to generate a first pressure difference, the air outlet of the first ventilation duct can release airflow toward the inside of the pile body of the target charging pile, the first airflow is an airflow that is pressurized and introduced into the first ventilation duct on the target charging pile, and based on the first pressure difference, the second airflow is driven from the air inlet of the target charging pile to be pressed into the inside of the pile body of the target charging pile to drive the third airflow to flow, and the third airflow includes the airflow inside the pile body of the target charging pile; the third airflow flowing inside the pile body of the target charging pile discharges the heat generated inside the pile body of the target charging pile. The technical solution of the present application can ensure sufficient heat dissipation of the charging pile equipment and reduce equipment noise, and can avoid as much as possible the generation of large noise due to the use of fans and other equipment for blowing and heat dissipation.
Owner:ZHEJIANG UNIVIEW TECH CO LTD
A novel double-buffered hinge
This utility model discloses a novel double-buffered hinge, comprising a hinge cup, a hinge arm, a first buffer assembly disposed within the hinge arm, and a second buffer assembly disposed on the hinge cup. A rocker arm assembly is provided between the hinge cup and the hinge arm to achieve hinged opening and closing. The rocker arm assembly includes an outer rocker arm and an inner rocker arm. The first buffer assembly includes a first damper and a first drive block, the first drive block being convexly connected to the inner rocker arm. The second buffer assembly includes a second damper and a second drive block, the second drive block being convexly connected to the outer rocker arm. When the hinge cup is opened or closed, the outer and inner rocker arms can be oscillated synchronously. The inner rocker arm can drive the first drive block to drive the first damper to achieve buffering, and the outer rocker arm can drive the second drive block to drive the second damper to achieve buffering. Therefore, the hinge of this utility model has a double-buffered function, and its safety, protection, quietness, and durability are all good, making it of great market value.
Owner:FOSHAN TIANSI HARDWARE CO LTD
Aerated concrete blank cutting line cleaning tool and using method thereof
PendingCN121870912Aachieve cleaningachieve regulationLiquid surface applicatorsAuxillary shaping apparatusStructural engineeringCleaning methods
An aerated concrete blank cutting line cleaning tool comprises a cleaning mechanism, the cleaning mechanism is provided with a supporting shaft rotationally arranged in a first inner cavity and permeable cleaning cotton located on the supporting shaft, and the supporting shaft is provided with a through hole assembly for inputting water into the cleaning cotton; the wax dipping mechanism is provided with a heat conducting plate which hermetically slides to divide the second inner cavity into an upper part and a lower part, and a suspension block of which the peripheral side is matched with the inner wall of the upper part of the second inner cavity and the density is smaller than that of the wax liquid; an injection hole connected with a water pressure source is formed in the upper part of the second inner cavity and is sealed through a suspension block; the suspension block is provided with a hole assembly connected with the lower portion of the second inner cavity, and when the suspension block descends by a certain height, one end of the hole assembly is connected with the injection hole. The device is simple and compact in structure, different cleaning modes of disintegrating slag on a cutting line are achieved, excessive water consumption and large noise are avoided, the height of the liquid level of wax liquid is adjusted under the conditions that non-electric equipment is adopted and the detection precision is not affected, and the device is more convenient to use.
Owner:XUZHOU UNIV OF TECH
Seat push rod driving mechanism
The utility model discloses a seat push rod driving mechanism. The seat push rod driving mechanism comprises a box body; the driving part comprises a brushless direct current motor connected with the box body and a driving shaft arranged at the output end of the brushless direct current motor, and a worm is connected to the driving shaft; the moving part comprises a sleeve connected with the box body and a guide rod which is arranged in the sleeve and linearly moves along the sleeve; the transmission part comprises a lead screw matched with the guide rod and a worm wheel arranged on the lead screw in a sleeving mode and matched with the worm. A traditional direct current brush motor is replaced by the brushless direct current motor, so that the brushless direct current motor has the advantages of stable operation, relatively small vibration noise, high efficiency, low energy consumption, environmental friendliness, no friction between a commutator and a carbon brush, four times of service life of a product, and capability of running at a constant speed in a working torque range of the motor without load change; the motor has the advantages of small size, light weight, compact structure, convenience in installation and carrying and high power density.
Owner:JIANGSU MOXUN TECH CO LTD +1
Evaporative cooling fan
ActiveCN111140972Bprevent splashImprove experienceLighting and heating apparatusHeating and ventilation casings/coversCapacitanceEnvironmental engineering
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI
Vehicle-mounted audio processing method based on voice microphone and handheld microphone and vehicle
The invention discloses a vehicle-mounted audio processing method based on a voice microphone and a handheld microphone and a vehicle. The method comprises the following steps: acquiring a first audio signal acquired by a voice microphone in a vehicle and a second audio signal acquired by a handheld microphone in the vehicle; performing optimization processing and logarithmic compression processing on the first audio signal and the second audio signal to obtain a sound mixing human voice signal; and performing sound mixing processing on the sound mixing human voice signal and the accompaniment audio to obtain and play the to-be-played audio, thereby solving the problem of poor in-vehicle karaoke effect, performing optimization and logarithmic compression processing on the first audio signal and the second audio signal to obtain the sound mixing human voice signal with a better sound effect, and improving the user experience. The audio signals collected by the voice microphone and the handheld microphone are subjected to sound mixing processing, the advantages of the two kinds of audio signals are combined, the signals are subjected to sound mixing processing through logarithmic compression, noise is prevented from being too large, the sound effect quality is improved, and then the user experience is improved.
Owner:HUIZHOU DESAY SV AUTOMOTIVE
Heat dissipation assembly and wearable device
PendingCN122180024AImprove cooling effectcontrol thicknessCooling/ventilation/heating modificationsMechanicsComputer fan
The application provides a heat dissipation assembly and a wearable device, wherein the heat dissipation assembly comprises: a main shell configured in a flat shape, the main shell being provided with an air flow channel penetrating along the length direction thereof, an inner wall of the air flow channel being provided with a blowing port for blowing air towards an air outlet end of the air flow channel, and the air flow blown by the blowing port being used for sucking air from an air inlet end of the air flow channel towards the air outlet end of the air flow channel; a heat dissipation fan arranged on one side of the main shell in the width direction thereof, an air outlet end of the heat dissipation fan being communicated with the blowing port to convey air to the blowing port; and a heat dissipation piece arranged at the air outlet end of the air flow channel.
Owner:GOERTEK INC
Elevator air conditioner
This utility model provides an elevator air conditioner, relating to the field of air conditioning technology. The elevator air conditioner includes: a housing with a return air vent; a partition for dividing the internal space of the housing into a first cavity and a second cavity; an evaporator disposed in the first cavity and near the return air vent; a condenser disposed in the second cavity; an axial fan disposed in the second cavity; a water tray defining a water trough located below the evaporator and condenser; a water level detection device for detecting the water level in the water trough; a water pump assembly for drawing condensate from the water trough to the condenser for evaporation; and a water agitator installed on the outer edge of the axial fan, with the bottom of the water agitator not lower than the preset high water level of the water trough. The water agitator of the axial fan serves as a backup and auxiliary means. At a preset low water level, only the water pump draws water; if the water pump is clogged, the water agitator can be used to evaporate the condensate. At a preset high water level, the water pump and water agitator work together to improve the condensate evaporation efficiency.
Owner:HISENSE (SHANDONG) AIR CONDITIONING CO LTD
Tool for surface patch tension test
ActiveCN224189726Uprevent pull upPlays the role of clamping the batteryMaterial strength using tensile/compressive forcesTest batteryElectrical battery
Owner:JIANGSU LEOCH BATTERY
Sound insulation sealing structure for automobile body hole
An embodiment of the utility model provides a sound insulation sealing structure for an automobile body hole, which relates to the technical field of automobile parts and comprises a sound insulation portion and a positioning portion mounted on one side of the sound insulation portion, the positioning portion comprises a first mounting part and a second mounting part which are used for mounting and positioning, and a fastener is movably mounted at the upper end of the second mounting part. When the sound insulation part is installed and fixed, the first installation part can be fixedly installed at the position, to be fixed, of the vehicle body outer shell, then the second installation part is fixed to the sound insulation part, and then the sound insulation part penetrates through the vehicle body inner shell; after the sealing piece is installed in the fastening piece, the fastening piece is rotationally installed in the second installation piece, when the automobile body outer shell, the automobile body inner shell and the sound insulation part are installed, sound insulation sealing is conducted between the automobile body outer shell and the automobile body inner shell, and the situation that noise in an automobile is too large is avoided.
Owner:HUBEI XINFU AUTOMOBILE CO LTD
Range hood control method and device, household appliance and storage medium
PendingCN119532778Aavoid useless workavoid loud noiseDomestic stoves or rangesLighting and heating apparatusProcess engineeringSmoke exhaust ductwork
The invention discloses a range hood control method and device, a household appliance and a storage medium. The range hood control method comprises the steps that the exhaust pressure generated when a range hood operates under the current power is detected; determining the pressure grade to which the exhaust pressure belongs; when the pressure level exceeds a preset pressure level, reducing the current power to first target power; and when the pressure level does not exceed the preset pressure level, increasing the current power to second target power. According to the method and the device, the pressure grade of the exhaust pressure generated when the range hood operates under the current power is detected so as to judge the pressure grade of the current smoke exhaust pipeline, and when the pressure grade of the current smoke exhaust pipeline represents that the smoke exhaust pipeline is blocked, the current power is reduced to the target power, so that idle work of the range hood is avoided, and noise is reduced. And when the pressure grade of the current smoke exhaust pipeline represents that the smoke exhaust pipeline is comfortable or blocked, the current power is increased to the target power, so that the smoke exhaust effect is improved, and excessive noise is avoided.
Owner:QINGDAO HAIER WISDOM KITCHEN APPLIANCE CO LTD +1
Control method for purified drinking equipment and purified drinking equipment
PendingCN119498675AImprove the safety of useImprove user experienceBeverage vesselsThermodynamicsMechanical engineering
Owner:青岛海尔水生态科技有限公司 +1
Calcium carbonate wet grinding equipment
The utility model discloses calcium carbonate wet grinding equipment which comprises a grinding tank, the lower end of the grinding tank is fixedly connected with an installation base, a driving motor is fixedly installed in the middle of the lower end of the installation base, the output end of the driving motor is in transmission connection with a rotating shaft, and one side of the outer side wall of the rotating shaft is fixedly connected with a fixing ring. The outer side wall of the fixing ring is rotationally connected with two rotating rollers, and one end of each rotating roller is fixedly connected with a bevel gear. The driving motor is started to enable the rotating shaft to drive the fixing ring and the two rotating rollers to rotate along the inner wall of the grinding tank, and the bevel gear is meshed with the rack ring to enable the rotating rollers to rotate during rotation, so that the flapping rubber on the rotating rollers flaps the filter frame, the ground large-particle calcium carbonate is prevented from being clamped in the filter frame, and the service life of the filter frame is prolonged. Through the structural design of flapping rubber, a bevel gear and a rack ring, the number of times of cleaning the filtering frame can be reduced, and the production efficiency is improved.
Owner:NANZHAO DINGHENG CALCIUM IND CO LTD