Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
37results about How to "Simple and reliable work" 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
Real time measuring method and apparatus for horizontal directional drilling
InactiveCN1603576AReduce volumeAchieve modularitySurveyDirectional drillingMeasurement deviceUnit operation
One kind of horizontal direction detection sneaks in along with drills the measuring technique and the equipment, uses in the horizontal direction detection sneaks in when the fact to survey underground drilling tool inclining, parameter and so on rotation and temperature, and the measurement result will transmit the ground through the transmitting coil by the radio magnetic wave way. The method use underground drilling tool interior along with drills in the metering equipment the inclination angle, the appearance angle and the temperature sensor surveys the corresponding parameter, after signal processing and transmission unit operation, use wireless launch unit to ground receiver real-time transmission. Its metering equipment has two sections of metals shells and center the compartment insulation shell seal becomes. In an end shell is loaded with the power source; The wireless radiating element installs in the insulator shell; Is loaded with electric circuit of board the signal processing and the transfer element, the inclination angle sensor, the appearance angle sensor and the temperature sensor sets in another end shell. The invention volume small, structure simple, cost inexpensive, the antijamming ability is strong, works reliably under the adverse circumstance, can suit the majority direction detection to sneak in the equipment request.
Owner:ZOOMLION HEAVY IND CO LTD
Method and device for cooperatively determining indoor state and outdoor state through ultraviolet ray and illumination intensity
InactiveCN106323464ASolve problems that are prone to deviationReliable time statisticsPhotometry for measuring UV lightUltravioletSunset
The invention is applicable to the data processing and the intelligent wearable field, and provides a method and device for cooperatively determining whether a usage scene of user is indoor or outdoor through ultraviolet ray intensity and illumination intensity. The device and the method comprise: an ultraviolet ray sensor measures a surrounding ultraviolet ray intensity value; an environment light sensor measures an illumination intensity value of the surrounding environment; comparison is performed on a preset ultraviolet intensity value and a light illumination intensity high-low threshold value; and a determination about whether the user is indoor or outdoor is made. The device and method combine with user current time, a user geographic position, a local weather condition and cooperatively inquire information of sunrise and sunset time, ultraviolet intensity and illumination intensity data to perform comprehensive adjustment on the magnitude of the threshold values and further improve identification accuracy.
Owner:刘艺
Crossover type pineapple picking vehicle
The invention relates to the field of fruit picking, in particular to a crossover type pineapple picking vehicle. The crossover type pineapple picking vehicle has the advantages that the translation mechanism of the vehicle regulates a picking mechanism and a lifting mechanism to an appropriate horizontal picking position; a guide mechanism guides a pineapple to the front end of the picking mechanism; the lifting mechanism ascends the picking mechanism to an appropriate picking height through a sprocket to fix the pineapple; the picking mechanism uses the friction force of a belt and the shearing force of a blade to apply backward acting force to the pineapple so as to cut the pineapple off from a stem to achieve pineapple picking. By the crossover type pineapple picking vehicle which is simple in structure, convenient to operate, high in picking efficiency and the like, the problem that existing manual picking or robot picking is low in efficiency and complex in operation is solved.
Owner:HUBEI UNIV OF TECH
Spring-type power failure restoration temperature control switch capable of controlling two kinds of circuits
ActiveCN104217897AImprove efficiencyRapid responseHeating/cooling contact switchesThermal switch detailsLoad circuitTemperature control
Disclosed is a spring-type power failure restoration temperature control switch capable of controlling two kinds of circuits. The temperature control switch comprises a metal shell, two connection terminals and a metal end cap fixed to the metal shell, a ceramic guide frame heating element arranged between the metal end cap and the metal shell, a ceramic push rod movably and penetratingly arranged on the ceramic guide frame heating element, a bimetallic strip in contact with the ceramic push rod, a movable spring provided with a movable contact and a static contact piece provided with a static contact. When the temperature of loads reaches a set value, the bimetallic strip is heated to kick, the movable contact and the static contact are separated to open the circuits, and the ceramic guide frame heating element is energized to emit heat so as to enable the bimetallic strip and the temperature control switch circuit to be kept under the disconnected state. The bimetallic strip can restore only by deenergization so as to enable the temperature control switch circuit to be closed, and the ceramic guide frame heating element circuit is opened. The temperature control switch can control two kinds of load circuits at the same time and has power failure protection and power failure restoration functions.
Owner:南京绍笛电子有限公司
Planar magnetron sputtering target
ActiveCN104404463AIncrease profitReliable coolingVacuum evaporation coatingSputtering coatingNeodymium iron boronEngineering
The invention discloses a planar magnetron sputtering target, which is composed of a flange, a pressing sleeve, a water cylinder, an excitation coil, an electrical pure iron sleeve, an insulating sleeve, a water nozzle, a pressure plate, a set screw, an electrical pure iron pressure rod, a sealing ring, a gasket, an insulating cover, a pressing ring, bolts, an insulating spacer sleeve, a shielding cover, slotted countersunk head screws, a compressing ring, a neodymium iron boron permanent magnet column, and a positioning bracket part. The planar magnetron sputtering target is unique in shielding cover design, structural arrangement of the excitation coil, electrical pure iron sleeve and permanent magnet, magnetic field adjustability of the magnetron sputtering target, cooling structure design and other aspects, solves the common defects of point discharge, low sputtering rate on magnetic materials, complex cooling structure and the like frequently encountered by magnetron sputtering targets, and improves the target material utilization rate. The planar magnetron sputtering target provided by the invention has the characteristics of simple structure, stable and reliable work, large magnetic field adjustable range, high sputtering efficiency, convenient maintenance and low cost, and can be widely applied to vacuum magnetron sputtering coating equipment.
Owner:HOHAI UNIV
Self-contained sound source
InactiveCN109507657ASimplify launch workSimple and reliable workWave based measurement systemsSound sourcesSystem time
The invention discloses a self-contained sound source which comprises a rechargeable battery, a power amplifier, a control module, a watertight cabin, a pressure sensor, an energy converter and an upper computer. The control module is connected with the upper computer through a USB interface, upper computer software realizes functions of system time checking, task table establishing and signal waveform downloading and further realizes function of setting parameters like working depth interval range and depth sampling interval, a depth sensor is connected into the controller to realize real-time recording of depth information and can realize a function of stopping signal emitting to protect the energy converter after equipment emerges from water according to depth value and depth working interval range. The self-contained sound source has the advantages that the self-contained sound source works in a dipping or dragging mode, only a dragging steel cable is needed, and extra power supplyis not needed, so that sound source emitting work is simplified greatly, and a system works more reliably and simply.
Owner:THE FIRST INST OF OCEANOGRAPHY SOA +1
UPS accumulator online testing and display method and device
InactiveCN104333078ASimple and reliable workGuaranteed reliabilityCircuit authenticationCircuit monitoring/indicationComputer hardwareProgrammable logic controller
A UPS accumulator online testing and display method is characterized in that mounting a voltage testing unit at the anode and the cathode of the UPS accumulator respectively; disconnecting the charging circuit when the accumulator is filled with charges, testing voltages at the two ends of the accumulator, and storing the voltages in a storage unit of a programmable logic controller (PLC); connecting the accumulator discharging circuit rapidly, testing the voltages at the two ends of the accumulator immediately, and storing the voltages in the storage unit of the PLC; comparing the measured values of the two times, determining whether the accumulator is good in state, up to standard and damaged according to criteria stored in the PLC, and displaying the result through a displayer. A UPS accumulator online testing and display device comprises a UPS circuit, the voltage testing units, the PLC and a display circuit. The method is simple and reliable, has few effects on the operation of the UPS by the aid of online work and is of great application value for the improvement of the reliability and cost performance of the UPS.
Owner:FUJIAN AGRI & FORESTRY UNIV
Simple and reliable pre-bias load starting circuit
InactiveCN101552553ASimple and reliable workWork reliablyApparatus without intermediate ac conversionElectric variable regulationLoad circuitEngineering
The utility model discloses a simple and reliable pre-bias load starting circuit for a direct current (DC) converter, consisting of a switching tube Q1, a transistor Q2, a resistor R1 and a resistor R2 and a capacitor C1 and a capacitor C2, a diode D1 and a DC power VCC. The circuit utilizes the current control characteristic of the transistor Q2 to detect the voltage difference of the input voltage and the output pre-bias load voltage of the converter, and controls the turnon and turnoff of the switching tube Q1 according to the voltage difference, thus realizing soft start of the pre-bias load circuit. Simultaneously, the optimization of the pre-bias load starting circuit can be realized by selecting the parameters of R1, C1, R2 and C2 reasonably. The pre-bias load starting circuit can effectively solve the problems of output voltage waveform overshooting, restarting and even damaging module and the like occurring in the starting process of the output pre-bias voltage, and can be widely applied to the starting circuit that is used for the DC converter and has the pre-bias load.
Owner:HANGZHOU NORMAL UNIVERSITY
Equipment cabinet
InactiveCN103728999AReduce installation size requirementsSimple and reliable workTemperatue controlCold airTemperature control
The invention provides an equipment cabinet. The equipment cabinet comprises a box body, an environment temperature inductor, a temperature controller and a semiconductor refrigeration system, wherein the environment temperature inductor, the temperature controller and the semiconductor refrigeration system are installed in the box body, and when the temperature detected by the environment temperature inductor reaches or exceeds a temperature value set by the temperature controller, the semiconductor refrigeration system starts to generate cold air in the box body. The working principle of the semiconductor refrigeration system is safe, reliable, simple and easy to achieve.
Owner:SUZHOU IND PRAK NEW HONGBO COMM TECH
Spring-type power failure restoration temperature control switch capable of controlling multiple load circuits
InactiveCN104217895AImprove efficiencyRapid responseThermal switch detailsTemperature controlLoad circuit
Disclosed is a spring-type power failure restoration temperature control switch capable of controlling multiple load circuits. The temperature control switch comprises a metal shell, multiple connection terminals and a metal end cap fixed to the metal shell, a ceramic guide frame heating element arranged between the metal end cap and the metal shell, a ceramic push rod movably and penetratingly arranged on the ceramic guide frame heating element, a bimetallic strip in contact with the ceramic push rod, a movable spring provided with a movable contact, a static contact piece provided with a static contact and a lower contact. When the temperature of loads reaches a set value, the bimetallic strip is heated to kick, and the movable contact and the static contact are separated to open the circuits. The other side of the movable contact is connected with the lower contact in a closed manner, and the ceramic guide frame heating element is energized to emit heat so as to enable the bimetallic strip and the temperature control switch circuit to be kept under the disconnected state. The bimetallic strip can restore only by deenergization so as to enable the temperature control switch circuit to be closed, and the ceramic guide frame heating element circuit is opened.
Owner:DONGGUAN KAIN ELECTRONICS SCI & TECH CO LTD
A mechanical sealing arrangement and a sensor ring for monitoring the operation of a mechanical seal arrangement
PendingCN113423979AImprove reliabilityMonitoring workEngine sealsClassical mechanicsMechanical engineering
The present invention relates to a mechanical sealing arrangement, the mechanical sealing arrangement (10) having a rotary part (12), a non-rotary part (20) and a signal processing arrangement (30), the rotary part (12) comprising at least a rotary slide ring (18) and a rotary slide ring carrier (16), the non-rotary part (20) comprising at least a non-rotary slide ring (24) and a non-rotary slide ring carrier (22), and the signal processing arrangement (30) comprising at least one sensor (38, 48) for monitoring the operation of the mechanical sealing arrangement, wherein a sensor ring (32) is provided on the non-rotary slide ring carrier (22), the sensor ring (32) being provided with the at least one sensor (38, 48) and means (34) for transmitting measurement data from the at least one sensor (38,48) to further processing.
Owner:SULZER MANAGEMENT AG
cabinet
InactiveCN103728999BReduce installation size requirementsSimple and reliable workTemperatue controlCold airInductor
Owner:SUZHOU IND PRAK NEW HONGBO COMM TECH
Silicon micro-gyroscope data acquisition device based on wireless transmission
PendingCN111121742AReduce volumeReduce the impactSpeed measurement using gyroscopic effectsGyroscopes/turn-sensitive devicesWireless transmissionRadio frequency signal
The invention discloses a silicon micro-gyroscope data acquisition device based on wireless transmission. The silicon micro-gyroscope data acquisition device is small in size, simple to operate and precise in output. The disclosed silicon micro-gyroscope data acquisition device based on wireless transmission comprises a temperature acquisition module (1), a data acquisition module (2), a radio frequency transmitting module (3), a radio frequency receiving module (4) and a data processing module (5), wherein an input end of the temperature acquisition module (1) is respectively contacted with asilicon micro gyroscope and a high-low temperature box; an output end of the temperature acquisition module (1) is connected with the data acquisition module (2); an output end of the data acquisition module (2) is connected with an input end of the radio frequency transmitting module (3); the radio frequency transmitting module (3) is connected with the radio frequency receiving module (4) by means of radio frequency signals; and an output end of the radio frequency receiving module (4) is connected with an input end of the data processing module.
Owner:NANJING UNIV OF SCI & TECH
Hose bag machine and method for operating the hose bag machine
ActiveCN103502098BChanges in accommodationEasy to adjustWrapping material feeding apparatusFunction indicatorsPack materialEngineering
The invention relates to a hose bag machine (10) having a hose forming device (15) comprising a forming shoulder (16) and a forming tube (17) for forming at least one packaging material Strip (1) forming packaging material tube (5); vacuum-supported drawer (25) in the region of the forming tube (17) in the form of an endlessly encircling band (26, 27) ; a storage roll (12) for storing the packaging material strip (11), wherein part of the length of the packaging material strip (11) is temporarily stored between the storage roll (12) and the forming tube (17) In the buffer device (38), wherein the buffer device (38) has at least one jumping roller (43, 44) loaded with force by means of a tensioning device (48), the jumping roller gives The packaging material web ( 11 ) is subjected to a traction tension, which acts at least partially in the region of the draw-off device ( 25 ). According to the invention, the force loading of the at least one dancing roller ( 43 , 44 ) by the tensioning device ( 48 ) can be varied as a function of the operating state of the draw-off device ( 25 ).
Owner:星德科包装解决方案私人有限责任公司
Delayed water retaining device for underground garage
The invention discloses a time-delay water retaining device for an underground garage. The time-delay water retaining device comprises a water storage cavity (5) and a water storage cavity cover plate (1). The rear end of the water storage cavity cover plate (1) is hinged to the water storage cavity (5) through a hinge (3), and is matched with the water storage cavity (5) in a closed manner. The time-delay water retaining device also comprises a water inlet hole (5), and when water enters the water storage cavity (5), a floating body (2) upwards opened at the front end of the water storage cavity cover plate (1) can be fixedly arranged on the lower surface of the water storage cavity cover plate (1). The time-delay water retaining device also comprises a time-delay device (7), and the time-delay device (7) enables the water storage cavity cover plate (5) to be opened upwards only when the water quantity at the front end of the water storage cavity (5) reaches a water retaining threshold value. According to the time-delay water retaining device for the underground garage disclosed by the invention, a water retaining plate is opened only when the water quantity is large so as to facilitate vehicle passing. .
Owner:NANJING JUNLI TECH
Personal escape assistance device capable of being embedded into fireproof blanket and application
InactiveCN105749438AImprove performanceSimple and reliable workBuilding rescueComputer moduleEngineering
The invention relates to a personal escape assistance device capable of being embedded into a fireproof blanket. The personal escape assistance device is characterized by comprising a power supply and management module trigged by a manual pull ring, a white light emitting diode escape lighting module, a cross semiconductor laser road condition instruction module, a flame sensing and alarming module, and a micro controller module. Compared with the prior art, the personal escape assistance device has remarkable advantages that compared with a conventional escape assistance device, the personal escape assistance device has the advantages of convenience and quickness in wearing at the head, low power consumption, outstanding escape instruction effect and the like, and personal escape measures can be enriched and enhanced; the personal escape assistance device can be integrated into the fireproof blanket to expand the efficiency of the fireproof blanket. The personal escape assistance device is easy to operate and low in cost, and the escape instruction function can meet the road condition instruction requirements of residents on a road under the condition that the residents escape from a fire.
Owner:DONGHUA UNIV
Simple and reliable pre-bias load starting circuit
InactiveCN101552553BSimple and reliable workWork reliablyApparatus without intermediate ac conversionElectric variable regulationLoad circuitComputer module
The utility model discloses a simple and reliable pre-bias load starting circuit for a direct current (DC) converter, consisting of a switching tube Q1, a transistor Q2, a resistor R1 and a resistor R2 and a capacitor C1 and a capacitor C2, a diode D1 and a DC power VCC. The circuit utilizes the current control characteristic of the transistor Q2 to detect the voltage difference of the input voltage and the output pre-bias load voltage of the converter, and controls the turnon and turnoff of the switching tube Q1 according to the voltage difference, thus realizing soft start of the pre-bias load circuit. Simultaneously, the optimization of the pre-bias load starting circuit can be realized by selecting the parameters of R1, C1, R2 and C2 reasonably. The pre-bias load starting circuit can effectively solve the problems of output voltage waveform overshooting, restarting and even damaging module and the like occurring in the starting process of the output pre-bias voltage, and can be widely applied to the starting circuit that is used for the DC converter and has the pre-bias load.
Owner:HANGZHOU NORMAL UNIVERSITY
A planar magnetron sputtering target
ActiveCN104404463BIncrease profitAvoid corrosionVacuum evaporation coatingSputtering coatingPlanar magnetronMaterials science
The invention discloses a planar magnetron sputtering target, which is composed of a flange, a pressing sleeve, a water cylinder, an excitation coil, an electrical pure iron sleeve, an insulating sleeve, a water nozzle, a pressure plate, a set screw, an electrical pure iron pressure rod, a sealing ring, a gasket, an insulating cover, a pressing ring, bolts, an insulating spacer sleeve, a shielding cover, slotted countersunk head screws, a compressing ring, a neodymium iron boron permanent magnet column, and a positioning bracket part. The planar magnetron sputtering target is unique in shielding cover design, structural arrangement of the excitation coil, electrical pure iron sleeve and permanent magnet, magnetic field adjustability of the magnetron sputtering target, cooling structure design and other aspects, solves the common defects of point discharge, low sputtering rate on magnetic materials, complex cooling structure and the like frequently encountered by magnetron sputtering targets, and improves the target material utilization rate. The planar magnetron sputtering target provided by the invention has the characteristics of simple structure, stable and reliable work, large magnetic field adjustable range, high sputtering efficiency, convenient maintenance and low cost, and can be widely applied to vacuum magnetron sputtering coating equipment.
Owner:HOHAI UNIV
220kv four-circuit cable terminal narrow-base steel tube tower
InactiveCN104847157ASmall footprintSatisfy the technical requirements of layingTowersNatural disasterChinese characters
The invention relates to a 220kV four-circuit cable terminal narrow-base steel tube tower, which comprises a tower head and a tower body, wherein the tower head is composed of a ground wire bracket, wire cross arms and a tower head body, the ground wire bracket is arranged at the top end of the tower head body, two ends of each wire cross arm extend out of two sides of the tower head body respectively, the number of the wire cross arms is at least two, and each wire cross arm is arranged on the tower head body. The 220kV four-circuit cable terminal narrow-base steel tube tower is characterized by further comprising a cable platform and at least one cable leading-down bracket, wherein the cable leading-down bracket is transversely arranged at the periphery of the tower head body, the cable platform is arranged at the middle part of the tower body, and the tower head body, the tower body and each wire cross arm form the shape of a Chinese character 'Gan'. The 220kV four-circuit cable terminal narrow-base steel tube tower is beautiful in shape, reasonable in structure, coordinated in stiffness from top to bottom and clear in force transmission, meets process requirements in cable laying and has a strong ability for resisting natural disasters such as wind, ice coating and the like. The 220kV four-circuit cable terminal narrow-base steel tube tower effectively solves a problem of tower model application in 220kV multi-circuit power transmission line overhead and cable conversion, and is small in occupied area.
Owner:CEEC HUNAN ELECTRIC POWER DESIGN INST
Talkback device and interlayer device and system for building paging
ActiveCN103248968ALow costReduce development difficultyStations for two-party-line systemsExtension setPaging
The invention discloses a talkback device and an interlayer device and system for building paging. The talkback device comprises a command signal generating unit, a data drive output unit and an extension set picking and hanging up detection unit, wherein the command signal generating unit is used for generating a plurality of square signals with different periods; the data drive output unit is connected with the command signal generating unit and is used for sending the square signals; and the extension set picking and hanging up detection unit is respectively connected with the command signal generating unit and the data drive output unit and is used for detecting the working state of the talkback device and controlling the on-off of the data drive output unit according to the current working state. According to the invention, a CPU (central processing unit) component is not needed, the device cost is reduced, the corresponding software cost is reduced, the development difficulty is reduced, and the maintenance cost after sale is reduced as far as possible.
Owner:GUANGDONG ANJUBAO DIGITAL TECH
Harvester equipment of crops and its transmission method
The present invention relates to a harvester equipment for crops and its driving method. It is mainly formed main power mechanism, cutter, conveying mechanism, machine frame, bearing wheels and push bar. Above 80% of pushing force of operator can be centralized to implement two functions of cutting and conveyance. It is light in weight and is applicable to any field land forms.
Owner:长春市吉源农机有限责任公司
Rope arranging speed reducing box on multilayer winding reel gear type rope arranging device
InactiveCN100390044CSolution to short lifeImprove versatilityToothed gearingsWinding mechanismsGear driveConductor Coil
The present invention relates to a winding reduction box on the multi-layer winding reel tooth winder. Said invention includes the following components: input shaft, semigear, first overdrive gear, second overdrive gear, first output large gear, second output large gear, connecting gear, output small gear and output shaft. Said invention also provides connection mode and provides its special driving mode in a closed structure.
Owner:SHANGHAI ZHENHUA HEAVY IND
A piercing gas guiding pressure relief valve for a soft pack power battery
ActiveCN109817864BExtended service lifeSolve the problem of flatulence and fluid leakageCell component detailsPower batteryInterference fit
The invention discloses a puncture gas guide pressure relief valve for a soft pack power battery, which comprises a ring cover, a connecting ring, a ring body, a gas check valve, a waterproof breathable membrane, a ring cover and a puncture part; one end of the connecting ring and One end of the ring cover is fixedly connected, and the other end extends into the ring body and is interference fit with the ring body; the piercing part is fixed at the other end of the ring body; The wall body of the body is fixedly connected, and the end with a larger diameter of the ring cover is fixedly connected with the outer package of the soft pack power battery, and the puncture part is contained in the ring cover; and the ring cover, the connecting ring, the ring body, and the ring cover are coaxially arranged; The waterproof and breathable membrane is arranged in the ring body; the gas one-way valve is arranged in the ring cover to prevent external air from entering the pouch battery. The invention greatly reduces the risk of liquid leakage from the soft pack power battery after the internal pressure of the power battery increases, and improves the use safety of the power battery.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Shrapnel-type power-off reset temperature control switch that can control two circuits
ActiveCN104217897BImprove efficiencyRapid responseHeating/cooling contact switchesThermal switch detailsTemperature controlLoad circuit
Disclosed is a spring-type power failure restoration temperature control switch capable of controlling two kinds of circuits. The temperature control switch comprises a metal shell, two connection terminals and a metal end cap fixed to the metal shell, a ceramic guide frame heating element arranged between the metal end cap and the metal shell, a ceramic push rod movably and penetratingly arranged on the ceramic guide frame heating element, a bimetallic strip in contact with the ceramic push rod, a movable spring provided with a movable contact and a static contact piece provided with a static contact. When the temperature of loads reaches a set value, the bimetallic strip is heated to kick, the movable contact and the static contact are separated to open the circuits, and the ceramic guide frame heating element is energized to emit heat so as to enable the bimetallic strip and the temperature control switch circuit to be kept under the disconnected state. The bimetallic strip can restore only by deenergization so as to enable the temperature control switch circuit to be closed, and the ceramic guide frame heating element circuit is opened. The temperature control switch can control two kinds of load circuits at the same time and has power failure protection and power failure restoration functions.
Owner:南京绍笛电子有限公司
A large-size bearing dismounting device that helps to improve dismounting efficiency
ActiveCN104942568BIncrease the speed of disassemblyImprove installation speedMetal working apparatusStructural engineeringEngineering
Owner:YUXI DAHONGSHAN MINING
Intercom device, inter-floor equipment and system for building paging
ActiveCN103248968BLow costReduce development difficultyStations for two-party-line systemsExtension setInter layer
The invention discloses a talkback device and an interlayer device and system for building paging. The talkback device comprises a command signal generating unit, a data drive output unit and an extension set picking and hanging up detection unit, wherein the command signal generating unit is used for generating a plurality of square signals with different periods; the data drive output unit is connected with the command signal generating unit and is used for sending the square signals; and the extension set picking and hanging up detection unit is respectively connected with the command signal generating unit and the data drive output unit and is used for detecting the working state of the talkback device and controlling the on-off of the data drive output unit according to the current working state. According to the invention, a CPU (central processing unit) component is not needed, the device cost is reduced, the corresponding software cost is reduced, the development difficulty is reduced, and the maintenance cost after sale is reduced as far as possible.
Owner:GUANGDONG ANJUBAO DIGITAL TECH
Crawler crane mast lifting hydraulic control system and method
ActiveCN103130099BReduce in quantityOptimize layoutLoad-engaging elementsAutomatic controlHydraulic pump
The invention discloses a crawler crane mast lifting hydraulic control system and method and belongs to the technical field of crawler cranes. The control system comprises a jacking oil cylinder, a balanced valve, a pump pressure adjusting module, a hydraulic pump, a main amplitude winding control system and a controller, further comprises a main commutation module, a pressure sensor, an angle sensor and a control switch, wherein the main commutation module comprises a first electromagnetic directional valve, a second electromagnetic directional valve and an overflow valve. The system can integrate a secondary pressure adjusting module in the main reversal valve group, the quantity of valve blocks is small, the system structure and pipeline arrangement are simple, an oil source does not need to be controlled separately, and the operation is simple and reliable; low pressure-high pressure-low pressure control method is adopted, the working pressure of the jacking oil cylinder is reduced in the case of a long stroke, and the accident that the oil cylinder is bent is avoided; the phenomena the pressure over control of the jacking oil cylinder is too large and the mast is bent are effectively avoided, meanwhile, the automatic control is adopted, and the working strength is reduced; and a control switch is adopted for operation outside a control room, and the control system is safer and reliable.
Owner:XCMG CONSTR MACHINERY
Electric double-brace structure of electric vehicle
The invention discloses an electric double-brace structure of an electric vehicle. The electric double-brace structure comprises a rear fork (9) and a double-brace rod (1). The upper end of the double-brace rod (1) is hinged to the rear fork (9); the electric double-brace structure further comprises a linkage rod (2) and a clutch mechanism mounted on one side of a motor (13) of a driving wheel ofthe electric vehicle; one end of the linkage rod (2) is hinged to the middle of the double-brace rod (1), and the other end of the linkage rod (2) is hinged to the clutch mechanism; and when the double-brace rod (1) rotates downwards to trigger the clutch mechanism to be engaged, the clutch mechanism can rotate reversely along with the motor (13) together. When the electric vehicle is parked, thedouble-brace rod rotates downwards under the effect of external force to trigger the clutch mechanism to be engaged, at the moment, the motor is started to rotate reversely, and the clutch mechanism rotates reversely along with the motor so that the linkage rod can be pushed to brace the double-brace rod downwards; operation is convenient and easy, and labor saving in operation is achieved; and the double-brace rod can be braced downwards through reverse rotation of the motor even if under the situation that an automobile body bears the load.
Owner:贵州金百能车辆有限公司
A countercurrent solution humidity control air treatment device
ActiveCN104697084BWon't wasteMeet regulatory needsLighting and heating apparatusSpace heating and ventilation detailsAir treatmentMiniaturization
The invention relates to a counter-current solution humidity-conditioning air treatment device. The counter-current solution humidity-conditioning air treatment device comprises a dehumidifying module, a first solution heat exchanger, a first solution pump, a regenerating module, a second solution heat exchanger, a second solution pump and a semiconductor refrigerating unit, wherein the bottom pipeline of the dehumidifying module is connected with one end of the first solution heat exchanger; the other end of the first solution heat exchanger is connected with the top of the regenerating module through the first solution pump; the bottom pipeline of the regenerating module is connected with one end of the second solution heat exchanger; the other end of the second solution heat exchanger is connected with the top of the dehumidifying module, so that the dehumidifying module, the first solution heat exchanger, the regenerating module and the second solution heat exchanger form a loop; the semiconductor refrigerating unit is arranged between the first solution heat exchanger and the second solution heat exchanger; extending fins can be arranged in both the first solution heat exchanger and the second solution heat exchanger. According to the counter-current solution humidity-conditioning air treatment device, the requirement on air humidity treatment can be met; the miniaturization can also be realized.
Owner:TSINGHUA UNIV +1
Intermittent clutch for double-support structure of electric vehicle
The invention discloses an intermittent clutch for a double-support structure of an electric vehicle. The intermittent clutch comprises a clutch sleeve, a clutch cover, a cam, a driving shaft, a shifting rod and two shoe blocks; when the clutch cover rotates, the shifting rod rotates accordingly, when the shifting rod makes contact with a protruding part of the cam, the driving shaft starts to rotate, at the moment, the two shoe blocks are propped open by the flat end of the driving shaft to be tightly attached to the inner wall of the clutch sleeve, the clutch is in an engaged state, and whenthe shifting rod leaves the protruding part of the cam, the two shoe blocks are separated from the clutch sleeve. The clutch has the advantages of being simple and reliable in working, simple in structure and easy to popularize and apply.
Owner:贵州金百能车辆有限公司
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com