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62results about How to "Reduce sources of failure" patented technology
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Tower crane safety management system
A tower crane safety management system comprises a tower crane safety management platform and a server. The server is connected to a moment limiter host through a GPS / GPRS communication module; the moment limiter host is provided with an RFID sensing chip and an RFID sensor; and the moment limiter host is respectively connected to a weight sensor, an amplitude sensor, a height sensor, a rotary angle sensor and a wind speed sensor through CAN bus. During working of the tower crane safety management system provided by the invention, each sensor sends collected information to the moment limiter host through the bus; the moment limiter host collects, analyzes and calculates the information, and then sends the information to a display for displaying; alarm information is sent to an alarm for alarming; control information is sent to a controller for control protection; and communication information is sent to the GPRS module, and enters into the tower crane safety management platform through Internet network.
Owner:宜昌市创星电子技术发展有限公司
Cloud platform-based automatic infrastructure management system of data center
InactiveCN106331086AImprove energy efficiencyImprove operation and maintenance levelTransmission systemsAlarmsEfficient energy useIt equipment
The invention discloses a cloud platform-based automatic infrastructure management system of a data center. The system comprises a plurality of cabinets, a cloud platform-based background server and APP client software, wherein the cabinets are all wirelessly connected with the background server; the background server is wirelessly connected with the APP client software; the background server is used for multi-point centralized monitoring control management; the APP client software is used for monitoring a running pre-warning state; and each cabinet internally comprises an intelligent control module, a data acquisition module and a power distribution management module. The system is composed of the plurality of cabinets, the background server and the multiple pieces of APP client software; energy resources, assets and physical links of equipment of the data center are managed, and remote security access and health states are diagnosed; and infrastructures and IT equipment of the data center are monitored and controlled in real time, the performances and states of modification, faults, health, assets and the like of the equipment are dynamically displayed, the data center is assisted to improve the energy efficiency, the operation and maintenance level is improved, fault resources are reduced, and the operation and maintenance cost is reduced.
Owner:杭州蓝代斯克数字技术有限公司
Motor driven worm gear transmission underground sleeve valve
InactiveCN102102500ASimple and fast operationReduce sources of failureWell/borehole valve arrangementsSealing/packingMotor driveSleeve valve
The invention relates to the field of petroleum engineering under-balance drilling, in particular to a motor driven worm gear transmission underground sleeve valve. The outer side of a main body eccentric cylinder (5) of the sleeve valve is provided with two elongated slots, namely an electronic chamber (21) and a driving chamber (55); the inner side of the lower half part of the main body eccentric cylinder (5) is provided with a valve clack switching cylinder (13); an electronic component (22), a printed circuit board (23) and a connecting signal wire (25) are arranged in the electronic chamber (21); the middle section of the electronic chamber (21) is provided with two Hall sensors; the inner upper part of the driving chamber (55) is provided with a rubber corrugated pipe skeleton (42); the rubber corrugated pipe skeleton (42) is connected with a driving assembly shell (50); and a motor winding connector lug (46), a motor (47), a multistage reduction box (48), a worm upper bearing (49) and a mechanical sealing assembly (52) are arranged in the driving assembly shell (50) in a transmission order. The sleeve valve of the invention is simple and convenient for operation, and reduces fault sources.
Owner:CNPC GREATWALL DRILLING ENG
Permanent magnet type vacuum circuit breaker
InactiveCN102522254AImprove reliabilityReduce sources of failureHigh-tension/heavy-dress switchesAir-break switchesDrive shaftEngineering
The invention discloses a permanent magnet type vacuum circuit breaker which comprises a frame, three vacuum switch tubes arranged on the frame, insulation pull rod assemblies connected with movable contacts in the vacuum switch tubes, and a permanent magnet type drive device used for driving the insulation pull rod assemblies, wherein the permanent magnet type drive mechanism comprises two permanent magnet type drive mechanisms respectively provided with a drive shaft, and a linkage rod fixedly connected with the two drive shafts, the linkage rod is also connected with the three insulation pull rod assemblies; and the two permanent magnet type drive mechanisms drive the linkage rod by the drive shafts per se to reciprocate and further drive the insulation pull rod assemblies and the movable contacts for switching on or off through the linkage rod. The permanent magnet type vacuum circuit breaker has a more reasonable structure, and better work reliability and stability.
Owner:ANHUI YUTENG VACUUM ELECTRICAL
Intelligent duplicate power supply conversion switch
InactiveCN101419871ASimple structureReduce sources of failureSwitch power arrangementsHigh-tension/heavy-dress switchesLine shaftPower switching
The invention discloses an intelligent double-power transfer switch which comprises a vacuum breaker body and a double-power switching unit; an operation mechanism is a permanent magnet operation mechanism which comprises the main shaft of the switch, a permanent magnet drive mechanism used for driving the main shaft of the switch to rotate as well as three insulated top rods which can be driven by the main shaft of the switch to move up and down; one end of the insulated top rods is connected with the corresponding movable contacts in a vacuum arc extinguishing mechanism. The intelligent double-power transfer switch has the advantages of simpler structure, less fault sources and higher reliability.
Owner:WENZHOU UNIVERSITY
Manual brake separating mechanism for high voltage switch
InactiveCN101807486ASimple structureFew partsHigh-tension/heavy-dress switchesAir-break switch detailsCamHigh voltage
The invention discloses a manual brake separating mechanism for a high voltage switch, which comprises brake separating crankarm which is fixed on a driving spindle, a brake separating cam which is rotatablely arranged on the shell through a hinge pin, a handle which is used to drive the brake separating cam to rotate, and a torsional spring which is used to provide the brake separating cam with resetting elastic force, the handle drives the brake separating cam to rotate, the brake separating cam pushes the brake separating crankarm to carry out motion during the process of rotation thereof so as to drive the driving spindle to rotate, thereby realizing the manual brake separating operation. The invention has the advantages of simple structure, fewer parts and better reliability.
Owner:HONGXIU ELECTRIC
Hydraulic control system and hydraulic control method
ActiveCN101922485AExpand the range of selectionImprove fretting performanceTelemotorsGearing controlHydraulic motorControl system
Owner:ZOOMLION HEAVY IND CO LTD
Double-cylinder double-acting hydraulic reciprocating pump
PendingCN109854472AReduce in quantitySimple structurePiston pumpsPositive-displacement liquid enginesEngineeringControl valves
The invention discloses a double-cylinder double-acting hydraulic reciprocating pump. The double-cylinder double-acting hydraulic reciprocating pump comprises two material cylinders and a hydraulic oil cylinder; pistons are arranged in the two material cylinders; the hydraulic oil cylinder is coaxial with the two material cylinders; a piston rod of the hydraulic oil cylinder is connected with thepistons in the two material cylinders; working cavities of the two material cylinders positioned on the left sides of the pistons communicate through pipes I; working cavities of the two material cylinders positioned on the right sides of the pistons communicate through pipes II; the pipes I are connected with a feed branch pipe I and a discharge branch pipe I; the pipes II are connected with a feed branch pipe II and a discharge branch pipe II; and one-way valves are arranged on the feed branch pipe I, the feed branch pipe II, the discharge branch pipe I and the discharge branch pipe II. Thedouble-cylinder double-acting hydraulic reciprocating pump reduces the numbers of pipelines and one-way control valves, reduces consumables, reduces the production cost, improves the working efficiency, is simple and reliable in control method, simplifies the system structure, reduces the production cost, and reduces fault sources and the operation and maintenance cost.
Owner:HUNAN CREDO PUMP
Permanent magnet type dual electric power conversion switch
InactiveCN101425404ASimple structureReduce sources of failureSwitch power arrangementsHigh-tension/heavy-dress switchesStandby powerTransfer switch
The invention discloses a permanent-magnet type duplicate-supply transfer switch which comprises a vacuum circuit breaker main body and a duplicate-supply transfer device; the vacuum circuit breaker main body comprises three vacuum arc-extinguishing mechanisms respectively provided with moving contacts and fixed contacts and an operating mechanism used for driving the moving contacts to do closing and opening actions; the duplicate-supply transfer device comprises three main-power incoming posts, three standby-power incoming posts, three isolation knives which can carry out the switchover between the main-power wire-incoming posts and the corresponding standby-power wire-incoming posts and a driving mechanism which provides the power for the isolation knives; each isolation knife is electrically connected with one corresponding fixed contact; the moving contacts in the vacuum arc-extinguishing mechanisms are respectively electrically connected with a wire-outgoing post; and the operating mechanism is a permanent-magnet operating mechanism. The invention has the advantages of simpler structure, less trouble sources and higher reliability.
Owner:HONGXIU ELECTRIC
Drill jumbo test equipment
PendingCN107621379AReduce sources of failureSolve fever problemStructural/machines measurementLinear motionEngineering
The invention discloses drill jumbo test equipment, which comprises a test stand, a rotary load simulation device, a propulsion load simulation device and a sliding guide device, wherein the rotary load simulation device, the propulsion load simulation device and the sliding guide device are arranged on the test stand. The rotary load simulation device comprises a rotary transmission mechanism used for transmitting the drill pipe rotation of a drill jumbo, and a rotary load power mechanism used for providing a simulated rotary load. The propulsion load simulation device comprises a rock simulation block configured to abut against the drill bit of the drill jumbo, a propulsion transmission mechanism used for transmitting the linear motion of the drill bit, and a propulsion load power mechanism used for providing a simulated proportion load. The rock simulation block can synchronously rotate together with the drill bit. The sliding guide device comprises a push block configured to abut against the proportion beam of the drill jumbo, and a supporting and guiding mechanism used for supporting and guiding the movement of the propulsion transmission mechanism. In this way, the heating problem caused by the relative friction motion between the drill bit and the rock simulation block can be avoided. Meanwhile, the abrasion of the equipment, generated when two motions are simultaneouslyprocessed by the equipment, can be avoided.
Owner:CHINA RAILWAY CONSTR HEAVY IND
Hydraulic control directional control valve
InactiveCN103032090AAchieve liftingCompact and reasonable structureMine roof supportsWhole bodyEngineering
The invention discloses a hydraulic control directional control valve which comprises a valve body. Two high-flow main control valves and five intermediate-flow pilot reversing valves with operation mechanisms are arranged in the valve body; the two high-flow main control valves are abutted and are arranged side by side; and the five intermediate-flow pilot reversing valves are abutted and are arranged side by side. According to the invention, two high-flow main control valves and five intermediate-flow pilot reversing valves are integrated into one whole body, so that the hydraulic control directional control valve has a more compact and reasonable structure, more complete functions, a small number of fault sources and stable and reliable performance. When a plurality of products disclosed by the invention are simultaneously used, different control effects can be realized in different pipeline connecting manners, for example, action of a plurality of uprights and jacks can be simultaneously controlled, or actions of balanced extension and retraction of an adjacent frame, extension and retraction of a lateral guard plate, extension and retraction of a protection side and the like are implemented, so that the functional requirements on lifting and descent, displacement, and balanced extension and retraction of a hydraulic bracket, extension and retraction of the lateral guard plate, extension and retraction of the protection side and the like are implemented.
Owner:乐清市东风煤矿设备有限公司
A crucible sampling device
InactiveCN102279277ASolve the displacementSolve the fallMaterial analysisEffective solutionFailure rate
The invention discloses a crucible sampling device, comprising a horizontal movement mechanism and a vertical movement mechanism, the top of the sampling rod (9) on the vertical movement mechanism is provided with a positioning device (21) for clamping the crucible (3) . In the present invention, a positioning device for clamping the crucible is arranged on the top of the sampling rod to position the crucible, the structure is extremely simple, and the displacement and drop of the crucible caused by factors such as shaking during movement are effectively solved. With similar positioning, the crucible is not affected by factors such as manufacturing tolerances. The crucible is not affected by other external forces, which prevents the damage and other influences caused by external forces on the crucible. It avoids the disadvantages of complicated mechanism and bulky size, reduces the difficulty and cost of design, further reduces the source of failure, reduces the failure rate, and improves the reliability and stability of the overall operation.
Owner:CHANGSHA KAIYUAN INSTR
Integrated combined electrical appliance
InactiveCN102055142BSave spaceEasy to useSwitchgear arrangementsSubstation/switching arrangement detailsEpoxyCurrent sensor
Owner:浙江天润电气有限公司
Chip mounting system and chip mounting method
PendingCN112911922AExtended service lifeReduce sources of failureElectrical componentsInformation controlMechanical engineering
The invention discloses a chip mounting system and a chip mounting method. In the invention, the chip mounting system comprises: a frame, a material taking and chip mounting device arranged on the frame and capable of obtaining workpieces, a positioning clamp, a displacement device, a visual device and a main control module, wherein the positioning clamp is arranged on the frame and can clamp a conical radiator and adjust the position of the conical radiator, and the conical radiator is used for pasting the workpieces obtained by the material taking and chip mounting device; the displacement device is arranged on the frame and is used for driving the material taking and chip mounting device to move relative to the conical radiator; the visual device is arranged on the frame and is used for acquiring line point location information of the workpiece to be attached on the conical radiator; the main control module is electrically connected with the material taking and chip mounting device, the positioning clamp, the displacement device and the visual device; and the main control module is used for controlling the material taking and chip mounting device to place the workpieces on the conical radiator according to the received line point location information. Compared with the prior art, by using the system of the invention, the possibility that the LED chip is damaged due to a heat dissipation problem is eliminated, and fault sources are reduced.
Owner:PUJIANG SANSI OPTOELECTRONIC TECH CO LTD
Intelligent duplicate power supply conversion switch
InactiveCN101419870ASimple structureReduce sources of failureSwitch power arrangementsHigh-tension/heavy-dress switchesPower switchingTransfer switch
The invention discloses an intelligent double-power transfer switch which comprises a vacuum breaker body and a double-power switching unit; the vacuum breaker body comprises cushion mechanisms; a cushion crankarm is arrange on the main shaft of the switch; one end of a spring is connected with the shell of the switch and the other end is connected with the cushion crankarm; an arc extinguishing mechanism is vertically arranged; the main shaft of the switch is horizontally arranged; a permanent magnet drive mechanism is arranged at the central lower side or deviated to the right lower side of the main shaft of the switch; when the permanent magnet drive mechanism is arranged at the central lower side of the main shaft of the switch, the number of the cushion mechanisms is two and are respectively arranged at the two side ends of the main shaft of the switch; when the permanent magnet drive mechanism is deviated to the right lower side of the main shaft of the switch, the number of the cushion mechanism is one and is arranged at the left end of the main shaft of the switch; and an operation mechanism is a permanent magnet operation mechanism. The intelligent double-power transfer switch has the advantages of simpler structure, less fault sources and higher reliability.
Owner:WENZHOU UNIVERSITY
Thermoacoustic driven stirling engine
InactiveCN103485931ASimple structureScientific and reasonable structureHot gas positive displacement engine plantsGas cylinderCore component
The invention discloses a thermoacoustic driven stirling engine and belongs to the field of applications of thermomotors. The thermoacoustic driven stirling engine is formed by four core components namely a high pressure air storage bottle, a hot chamber, a power air cylinder and a motor; the power air cylinder is communicated with the hot chamber by arranging an air descending channel; the hot chamber is communicated with the high pressure air storage bottle by arranging an air ascending channel; an air valve is arranged in the middle of the air ascending channel; an integral structure which is formed by the high pressure air storage bottle, the hot chamber and the power air cylinder except the motor is total sealing; the interior of the integral structure is filled with high-pressure working medium gas which can be hydrogen, helium, nitrogen or air and the like. Compared with the traditional stirling engine, the thermoacoustic driven stirling engine does not adopt easy-to-wear moving components such as a distribution piston or an air remover, but moves the air through cold and hot space which is formed by the high pressure air storage bottle and the hot chamber, so that the reliability of the engine is greatly improved. The thermoacoustic driven stirling engine can be applied to a temperature difference and waste heat power generation system and a solar photo-thermal power generation system.
Owner:冯智勇
Grille composite for air openings
ActiveCN107117212ALow stand-alone costReduce weightSuperstructure subunitsRadiatorsClassical mechanicsStructural engineering
Owner:DR ING H C F PORSCHE AG
Semiconductor radiator
InactiveCN104851856AHigh mechanical strengthExcellent dust isolationSemiconductor/solid-state device detailsSolid-state devicesHeat conductingHeat sink
A semiconductor radiator comprises a hollow heat-separation platform (2) and a lower heat-conducting connection base (3) disposed separately on an upper end surface and a lower end surface of a through hole of a hard insulation heat-separation substrate (1). The lower heat-conducting connection base (3) is provided with a boss that penetrates through the through-hole and is fitted to the cavity of the hollow heat-separation platform. The top surface of the boss is attached to the bottom surface of a semiconductor cooling piece (5) disposed on the top portion of the hollow heat-separation platform. An upper heat-conducting connection base (6) is attached to the top surface of the semiconductor cooling piece. The semiconductor radiator has effects of preventing dust and integrally dissipating heat, and improves the heat dissipation efficiency.
Owner:SHANGQIU INST OF TECH
Automotive brush-less motor and control method thereof
InactiveCN107689755ALow costReduce installation man-hoursElectronic commutation motor controlMan-hourVoltage
The invention provides an automotive brush-less motor and a control method thereof. The control method of the automotive brush-less motor comprises the following steps of S1, energizing an A-phase coil and a B-phase coil of the brush-less motor; S2, continuously monitoring an induced electromotive force of a C-phase coil; and S3, when the induced electromotive force of the C-phase coil is lower than the voltage of the center point of a star connection relation, carrying out commutation on the brush-less motor after the same time period, wherein the time period is the time from coil energization to a situation that the induced electromotive force of the C-phase coil islower than the voltage of the center point. The automotive brush-less motor and the control method thereof eliminate rotarytransformers or similar Hall sensor components in a conventional brush-less motor, control the start-up and speed regulation of the brush-less motor by monitoring the induced electromotive force of athird phase, and have the advantages of saving cost and installation man-hour, reducing fault sources and saving arrangement space of a whole automobile.
Owner:HIGER
Air intake integrated device of rotary air compressor
InactiveCN105201854AReduce in quantityLow costRotary/oscillating piston pump componentsLiquid fuel engine componentsAir filterEngineering
The invention provides an air intake integrated device of a rotary air compressor. The air intake integrated device comprises a shell, an annular interlayer, an air filter, an air intake control valve and an electromagnetic valve component, wherein the shell comprises an upper cover and a lower cover clamped with the upper cover; the annular interlayer is positioned between the upper cover and the lower cover; the air filter is accommodated in the space formed by the upper cover and the lower cover, and comprises an air filter core; the air intake control valve is accommodated in an inner cavity formed by the air filter core; the electromagnetic valve component is connected with the air intake control valve; the electromagnetic valve component and compressed air are used for driving the air intake control valve together. Compared with the prior art, the air intake integrated device has the following advantages: the air filter and the air intake control valve are integrated, so that the number of parts of a compressor air intake system is decreased, the cost is reduced, and the assembly efficiency is improved.
Owner:盐城市大丰沃尔泰机械有限公司
Startup water feed pump for nuclear power station
ActiveCN102606485BSimple structureImprove hydraulic performancePump componentsRadial flow pumpsImpellerNuclear power
The invention discloses a startup water feed pump for a nuclear power station, which comprises a stator component, a rotor component, two sets of mechanism seals, a mechanism sealing washing tube and a bearing component. The rotor component comprises a pump body and a balance water pipe, the rotor component comprises a pump shaft, an impeller, a middle sealing shaft sleeve, a rear sealing shaft sleeve and a shaft sleeve nut, and the bearing component comprises a front bearing, a rear bearing, a middle throttling bush and a rear throttling bush. The pump body is of an axial section structure and is divided into a lower pump body at the lower portion and an upper pump cover at the upper portion through a horizontal split, the lower pump body and the upper pimp cover are integrally connected through a plurality of press bolts, and an inner cavity of the pump body comprises a low pressure zone containing a first water pumping chamber, a second water pumping chamber, a third water pumping chamber, a fourth water pumping chamber and a fifth water pumping chamber and a high pressure zone containing a sixth water pumping chamber, a seventh water pumping chamber, an eighth water pumping chamber and a ninth water pumping chamber. The balance water pipe is connected between an inlet and an outlet which are arranged at the front portion and the rear portion of the pump body, the impeller is composed of nine levels of impellers, the two sets of mechanical seals are respectively arranged at the front end and the rear end of the pump body, and the mechanical sealing washing pipe is led out of an outlet of the first water pumping chamber to be respectively connected on the two sets of mechanical seals.
Owner:SHANGHAI APOLLO MACHINERY
Circumferential resistance drive clutch
The invention discloses a circumferential resistance drive clutch. The circumferential resistance drive clutch includes a driving portion, a driving block, a circumferential resistance mechanism, a switching portion, a motion converting mechanism, a returning member and a driven wheel; the circumferential resistance mechanism, the driving portion, the switching portion and the driven wheel rotatearound a spindle center line, the driving portion is controlled by a power source to rotate or be static, the driving block is connected with the driving portion and is controlled by the driven portion to rotate or be static, meanwhile, the driving block can bear the resistance effect of the circumferential resistance mechanism to generate radial displacement or axial displacement, the motion converting mechanism converts the displacement change of the driving block into up-and-down motion or radial movement of the switching portion, then the switching portion and the driven wheel are integrally combined, the driven wheel is controlled by the power source to rotate, and the returning member enables the driven wheel to separate from the switching portion, and the driven wheel is freely rotated. The circumferential resistance drive clutch has the effects of being simple in structure, low in cost, stable in control and capable of achieving high torque transmission.
Owner:邓林萍
Box-type high-speed motor
InactiveCN112242775AGuaranteed uptimeEnsure balanceMagnetic circuit rotating partsMagnetic circuit stationary partsElectric machineClassical mechanics
The invention discloses a box-type high-speed motor which is mainly composed of a box-type motor stator, a bearing installed on a box-type motor stator base and a motor rotor supported by the bearing,a cooler is located at the top of the box-type motor, and the motor rotor is of a solid rotor structure and is provided with balance areas at the two ends of a rotor body. The motor rotor is also provided with a balance area in the center of the rotor body. The box-type high-speed motor is compact in structure and reliable in operation, and is suitable for higher-rotating-speed working conditions.
Owner:WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GRP CO LTD +1
Integrated treatment method for domestic sewage
InactiveCN110963632AAvoid difficultiesSolve processing problemsFatty/oily/floating substances removal devicesMultistage water/sewage treatmentSludgeWater source
The invention provides an integrated treatment method for domestic sewage, belonging to the technical field of environmental protection. According to the invention, intermittent water inlet treatmentis realized by virtue of a tank body structure; external sewage firstly enters a sewage collection chamber for scumming and for adjustment of the quantity and quality of inflow water; when a water inlet valve is opened, the inflow water flows to a water distribution system of an anaerobic zone at the bottom of a middle layer through a vertical pipe; water flow upwards passes through sieve plate holes in the bottom from the water distribution system and then enters an aerobic zone at an upper layer; reflux denitrification is carried out by utilizing steam stripping nitrification liquid througha circulating water chamber; the treated sewage is discharged through a water outlet valve; the aerobic zone adopts a contact oxidation mode, and a sludge film falling off from a filler in the aerobiczone can fall into a filler in the anaerobic zone through the sieve plate holes for degradation, so sludge is reduced. The integrated treatment method of the invention solves problems in treatment ofdomestic sewage in small towns, villages and other areas which are not involved in sewage pipe networks; functions are integrated on equipment, and the equipment is constructed and installed on siteand close to a water source to overcome the problems; and difficulties in long-distance transportation due to insufficient water are avoided.
Owner:BMEI
Connection coupling for the provision of electrical energy, storage system and motor vehicle with connection coupling
ActiveCN110896180AIncrease contactReduce sources of failureVehicle connectorsFinal product manufactureAutomotive engineeringElectrically conductive
The invention relates to a connection coupling (1) for an electrically conductive connection of a storage module (61) for electrical energy in a motor vehicle (50) to an electrical consumer system (51) of the motor vehicle (50) for providing electrical energy, with a first connection coupling half ( 2) and with a second connection coupling half (4), the first connection coupling half (2) being a plug (2a) and the second connection coupling half (4) being a socket (4a) for receiving the plug (2a), wherein the plug (2a) and the socket (4a) is designed to establish an electrically conductive connection to one another, and the socket (4a) has a plurality of movable contact elements (8) on its inner lateral surface (6) for the frictional contacting of the plug (2a). The invention further relates to a storage system (60) with a connection coupling (1) and at least one storage module (61) for electrical energy, and to a motor vehicle (50) with a storage system (60).
Owner:VOLKSWAGEN AG
Method for stabilizing network side voltage of wind power generator unit
ActiveCN102157943BHigh outputLow investment costAc network voltage adjustmentReactive power compensationPower flowPower grid
The invention relates to a method for stabilizing the network side voltage of a wind power generator unit, which comprises the following steps of: (1) constructing a reactive power regulating reactance network which meets the requirement that the network side voltage of the wind power generator unit is regulated to realize stable running of the unit; (2) controlling a main body to detect the network side voltage of the wind power generator unit; and (3) when the network side voltage of the wind power generator unit is deflected from the voltage range for the stable running of the unit, controlling the main body to confirm reactive power current needed by voltage regulation and outputting or inputting the current by a current transformer for adjusting the network side voltage of the unit. The invention realizes network side voltage regulation by utilizing the reactive power ability of the current transformer of the wind power generator unit, has the advantages of low regulating cost, less power grid construction investment, high system reliability, high regulating efficiency, and the like and is easy to realize the unification of effectiveness and economy of voltage regulation.
Owner:SHENZHEN HOPEWIND ELECTRIC CO LTD
Auxiliary power assembly for electric vehicle
InactiveCN107176021AEasy to tightenReduce vibrationElectric devicesElectric propulsion mountingEngineeringElectric vehicle
An electric vehicle auxiliary power combination device belongs to the technical field of electric vehicles. Including high-voltage motors, cooling fans, vacuum pumps or air pumps, generators, compressors, power steering pumps, and cooling water pumps. , cooling water pump, and form a belt drive with cooling fan, vacuum pump or air pump, generator, compressor, power steering pump and cooling water pump respectively. From the design point of view, the present invention concentrates the power source, improves energy conversion rate, improves product quality, improves product safety and reliability, ensures that high-voltage power supply does not enter the interior of the vehicle body, reduces fault sources, reduces vibration, reduces noise, saves energy, and greatly reduces costs , improve safety and reliability.
Owner:周扬
Insulation fixing plate of centrifugal switch device
PendingCN104399602AFew partsReduce sources of failureElectric switchesCentrifugesClassical mechanicsStructural engineering
The invention discloses an insulation fixing plate of a centrifugal switch device. The insulation fixing plate is provided with a first stationary contact and a second stationary contact, is basically U-shaped, and comprises two connecting areas and a base area, wherein the two connecting areas are positioned on two sides of a rotary shaft respectively; the base area is positioned between the two connecting areas and is used for arranging the first stationary contact and the second stationary contact; a gap which is used for being arranged by directly facing the moving contact is formed in the insulating fixing plate; the first stationary contact and the second stationary contact are basically step-shaped and are arranged at the positions, on two sides of the gap, on a plate body of the insulation fixing plate; each of the first stationary contact and the second stationary contact is provided with a stationary contact point. The centrifugal switch is more reasonable and simpler in structure, a conventional spring connecting reset mode is replaced with an elastic sheet connecting reset mode, the parts are less, and fault sources are less accordingly; the working performance is more stable and more reliable.
Owner:SUZHOU BEITENGTE ELECTRONICS TECH
Stirring device with transmission type multi-crucible
ActiveCN102380328BIncrease profitAvoid unstable rotationMixing methodsMixer accessoriesBiochemical engineeringCrucible
Owner:江苏双星特钢有限公司
Automatic change-over switch device
InactiveCN103258685AThe structure is simplified and reasonableFew partsElectric switchesWork performanceEngineering
The invention discloses an automatic change-over switch device which comprises a centrifugal slide block, an elastic part provided with a movable contact and an insulating fixed plate provided with a first static contact and a second static contact. The centrifugal slide block can move in a reciprocation mode in the central axial direction, the movable contact can move between the first static contact and the second static contact along with the centrifugal slide block until abutting against on the first static contact or the second static contact, the insulating fixed plate is basically in a U shaped and comprises two connection areas and a base area arranged between the two connection areas, and the first static contact and the second static contact are arranged in the base area. The elastic part comprises an arc electric connection plate area, installation plate areas fixedly arranged on the connection areas of the insulating fixed plate and U-shaped elastic plate areas for connecting the electric connection plate area and the installation plate areas, wherein the electric connection plate areas are fixedly arranged on the centrifugal slide block and can synchronously move along with the centrifugal slide block. The automatic change-cover switch device is simple and reasonable in structure, few in fault source and stable and reliable in work performance.
Owner:SUZHOU JUNFENGCHEN ELECTRONICS TECH
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