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327results about How to "Uniform energy" patented technology
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Method and apparatus to process substrates with megasonic energy
ActiveUS20050003737A1Uniform energyImprove uniformityUltrasonic/sonic/infrasonic diagnosticsLiquid surface applicatorsEngineeringSubstrate surface
A variety of techniques may be employed, alone or in combination, to enhance contact between a processed substrate and applied megasonic energy. In accordance with one embodiment of the new invention, the vibration plate is brought into intimate contact with one surface of the substrate, while cleaning or processing fluid contacts the other. In accordance with an alternative embodiment of the present invention, a reflecting surface may be provided to cause emanated energy to be reflected back into the near field and make it more uniform. In accordance with another alternative embodiment of the present invention, energy may be transferred across a substrate bounded on both sides by liquid with incidence of megasonic energy that is either normal to the substrate surface or within a critical range of incident angles. In yet another embodiment, generated dilatational waves may be converted to surface waves prior to contacting the substrate.
Owner:P C T SYST
Method and apparatus for controlling and protecting pulsed high power fiber amplifier systems
InactiveUS20050225846A1Avoid damageUniform energyLaser using scattering effectsLaser arrangementsHigher PowerElectronic circuit
An electronic circuit for controlling a laser system consisting of a pulse source and high power fiber amplifier is disclosed. The circuit is used to control the gain of the high power fiber amplifier system so that the amplified output pulses have predetermined pulse energy as the pulse width and repetition rate of the oscillator are varied. This includes keeping the pulse energy constant when the pulse train is turned on. The circuitry is also used to control the temperature of the high power fiber amplifier pump diode such that the wavelength of the pump diode is held at the optimum absorption wavelength of the fiber amplifier as the diode current is varied. The circuitry also provides a means of protecting the high power fiber amplifier from damage due to a loss of signal from the pulse source or from a pulse-source signal of insufficient injection energy.
Owner:IMRA AMERICA
Apparatus and method for thermal assisted desorption ionization systems
ActiveUS8754365B2Raise transfer toHigh resolutionSamples introduction/extractionMaterial analysis by electric/magnetic meansGas phaseDesorption
The present invention is directed to a method and device to desorb an analyte using heat to allow desorption of the analyte molecules, where the desorbed analyte molecules are ionized with ambient temperature ionizing species. In various embodiments of the invention a current is passed through a mesh upon which the analyte molecules are present. The current heats the mesh and results in desorption of the analyte molecules which then interact with gas phase metastable neutral molecules or atoms to form analyte ions characteristic of the analyte molecules.
Owner:BRUKER SCI LLC
Charge-discharge battery pack equilibrium management system
InactiveCN101902060AUniform energyIncrease in sizeBatteries circuit arrangementsElectric powerCapacitanceCharge discharge
The invention discloses a charge-discharge battery pack equilibrium management system which comprises N batteries, N-1 lossless equilibrium charge-discharge circuits, a signal acquisition circuit, a master control unit and a drive circuit, wherein each lossless equilibrium charge-discharge circuit comprises an energy storage inductor, an energy storage capacitor, a first semiconductor switch device and a second semiconductor switch device and is characterized in that the energy storage capacitor is connected in series between a switch back end of the first semiconductor switch device and a switch front end of the second semiconductor switch device. The charge-discharge battery pack equilibrium management system has the obvious effects that the capacitor in the equilibrium mode plays a role of energy transfer, which reduces the power consumption, has more advantages in volume and weight, and has stronger mechanical impact resistance. The charge-discharge battery pack equilibrium management system realizes the energy equilibrium of batteries, dispensing with a complicated energy transfer device, and has the advantages of simple structure, easy realization and convenient maintenance and expansion.
Owner:CHONGQING UNIV
Apparatus and method for thermal assisted desorption ionization systems
ActiveUS20120199735A1Easy to analyzeHigh resolutionTime-of-flight spectrometersSamples introduction/extractionPower flowDesorption
The present invention is directed to a method and device to desorb an analyte using heat to allow desorption of the analyte molecules, where the desorbed analyte molecules are ionized with ambient temperature ionizing species. In various embodiments of the invention a current is passed through a mesh upon which the analyte molecules are present. The current heats the mesh and results in desorption of the analyte molecules which then interact with gas phase metastable neutral molecules or atoms to form analyte ions characteristic of the analyte molecules.
Owner:BRUKER SCI LLC
Laser cut intraluminal medical devices
InactiveUS20070142903A1Eliminate the effects ofSimply and readily achievedStentsBlood vesselsMedicineActive agent
Laser cut bioabsorbable intraluminal devices or stents and methods for forming such an intraluminal device or stent. A precursor sheet or tube of bioabsorbable material is laser cut in the presence of an inert gas to form an intraluminal medical device or stent having a desired geometry or pattern. The device or stent may comprise a helical, or other shape, having the laser cut geometry or pattern imparted thereon. The device or stent may further comprise drugs or bio-active agents incorporated into or onto the device or stent in greater percentages than conventional devices or stents. Radiopaque materials may be incorporated into, or coated onto, the intraluminal device or stent. Precise geometries or patterns are simply and readily achievable using the laser cutting methods in the presence of an inert gas while minimizing damage to the precursor materials.
Owner:CORDIS CORP
Crushable armrest assembly
InactiveUS7828388B2Improve crushing effectUniform energyPedestrian/occupant safety arrangementArm restsMobile vehicleEngineering
An armrest for use with a motorized vehicle is provided comprising first and second substantially opposing surfaces elongated longitudinally along the vehicle's interior surface and extending laterally inward therefrom. The armrest also includes a substantially vertical wall portion extending from the inner periphery of the first and second surfaces. The first and second surfaces define a plurality of channels oriented substantially parallel to one another and elongated longitudinally relative to the vehicle, in either a parallel or oblique fashion relative to a longitudinal axis of the vehicle. The plurality of channels is configured to sustain substantial vertical loading and controllably deform under a predetermined threshold lateral crush load. In addition, the plurality of channels preferably includes one or more partitions within each of the channels that are oriented relative to one another to thereby create a load path for lateral loads imparted to the armrest assembly.
Owner:GM GLOBAL TECH OPERATIONS LLC
Modular multilevel converter modulation method based on double queues
The invention discloses a modular multilevel converter modulation method based on double queues. The method includes: grouping submodules according to on-off status, and sequentially storing the same in an input queue or a remove queue from low voltage to high voltage; selecting number of the to-be-input or to-be-removed submodules according to bridge arm level variation, bridge arm current direction and maximum voltage deviation of the submodules, performing corresponding input and remove operations the selected submodules, and adjusting the two queues. By the method, only the on-off status of the submodules with the largest number or the smallest number in the two queues needs to be changed, switching frequency is kept low, voltage ordering is not required by all submodules, the queues can be adjusted by simple comparison, times and time of comparison required by ordering are reduced, system response speed is increased, and huge engineering application value is achieved.
Owner:ZHEJIANG UNIV
Method and apparatus to process substrates with megasonic energy
ActiveUS7238085B2Smooth connectionUniform energyUltrasonic/sonic/infrasonic diagnosticsLiquid surface applicatorsEngineeringSubstrate surface
A variety of techniques may be employed, alone or in combination, to enhance contact between a processed substrate and applied megasonic energy. In accordance with one embodiment of the new invention, the vibration plate is brought into intimate contact with one surface of the substrate, while cleaning or processing fluid contacts the other. In accordance with an alternative embodiment of the present invention, a reflecting surface may be provided to cause emanated energy to be reflected back into the near field and make it more uniform. In accordance with another alternative embodiment of the present invention, energy may be transferred across a substrate bounded on both sides by liquid with incidence of megasonic energy that is either normal to the substrate surface or within a critical range of incident angles. In yet another embodiment, generated dilatational waves may be converted to surface waves prior to contacting the substrate.
Owner:P C T SYST
Hybrid MMC capacitor voltage balance control method
ActiveCN103956925AAvoid problems with higher switching frequenciesReduce switching frequencyAc-dc conversionCapacitor voltageSwitching frequency
The invention discloses a hybrid MMC capacitor voltage balance control method which comprises the following steps that (1) a positive input record library, a negative input record library and a removal record library are built, (2) the maximum voltage deviation value of a sub-module capacitor in a bridge arm is determined, (3) according to the maximum voltage deviation value of the sub-module capacitor in the bridge arm, repeated input operation of the sub-module of the bridge arm is analyzed through judgment logic, and the record libraries are updated, (4) according to the bridge arm level difference before a moment and after the moment, sub-module switching operation is carried out in the bridge arm through a logic judgment and control strategy, and the record libraries are updated. By means of the method, switch frequency of the sub-module is effectively lowered on the situation that capacitor voltage keeps stable, converter loss is reduced, and meanwhile the problem that system operation performance deteriorates due to sequencing problems can be reduced.
Owner:ZHEJIANG UNIV
Power lithium-ion battery pack intelligent management system specially used for electric automobile
InactiveCN102447288AUniform energyAchieve protectionBatteries circuit arrangementsElectric powerMicrocontrollerData display
The invention discloses a power lithium-ion battery pack intelligent management system specially used for an electric automobile. The power lithium-ion battery pack intelligent management system comprises a controller, a charging module, a balancing module, a data acquisition module, an electric quantity calculating module, a data display module and a storage communication module, wherein the charging module, the balancing module, the data acquisition module, the electric quantity calculating module, the data display module and the storage communication module are respectively connected with the controller; and the data acquisition module comprises a voltage acquisition module, a current acquisition module and a temperature acquisition module. The power lithium-ion battery pack intelligent management system disclosed by the invention takes a singlechip as a control core, and energy of each lithium battery is balanced while overcharging, overdischarging, overcurrent and temperature protection and short circuit protection can be realized.
Owner:SANMENXIA SUDA TRANSPORTATION ENERGY SAVING TECH
Manual simulation plant climate box
InactiveCN105075731AFacilitate research workEasy to operateClimate change adaptationGreenhouse cultivationComparative testEngineering
The invention relates to a manual simulation plant climate box, which comprises a box body and an equipment room, wherein the equipment room is located at the back side of the box body; the box body is constituted of a top cover, a base plate and a side plate; an electrical box, a refrigerating unit, a humidifier and a carbon dioxide steel cylinder are set in the equipment room; the box body is also provided with a camera, an ultraviolet ray lamp tube, a sensor unit, a plant cultivation frame and an air processor; an air flow channel is set between a top plate and the top cover and the air flow channel is shaped like a long strip; the top plate is provided with an inserted buckle; an inserted-type light-supplementing lamp bar is mounted in the inserted buckle; and a top plate at the outskirt of the inserted-type light-supplementing lamp bar is provided with a ventilation hole. The advantages are that comprehensive simulation to natural environment or specified environment is performed; each of factor is controlled separately and also coordinated as a whole; specified light strength, temperature, humidity and carbon dioxide concentration can be acquired; the best growth environment of plants in each stage inside the box body can be simulated; and comparative test can be performed by controlling certain environmental factors.
Owner:上海跃进医疗器械有限公司
Normal-pressure low-temperature plasma treater for modifying fiber surface
The present invention relates to one kind of medium-blocked discharge treater producing normal pressure low temperature plasma for fiber material modification. The treater consists of four parts including one pair of cooled planar discharge electrodes; two reaction gas ducts and two gas guide plates. The treater produces homogeneous low temperature plasma at atmosphere while avoiding interpolar arc light and spark discharge. Fiber material set in or passing through the discharge area is treated by the normal pressure and low temperature plasma to obtain effective modification. After the said treatment, the surface moistening performance and dyeing performance are improved obviously.
Owner:DONGHUA UNIV
Energy absorber with lobes providing uniform pedestrian impact
ActiveUS20110109105A1Uniform impact energy absorptionUniform energyPedestrian/occupant safety arrangementBumpersAbsorbed energyEngineering
A bumper system includes an injection molded energy absorber of polymeric material having hollow longitudinally-spaced lobes configured to crush and absorb energy during a pedestrian impact, and straps interconnecting adjacent lobes. The lobes are particularly sized and dimensioned, including potentially external ribs and / or apertures in corners, to provide a relatively uniform impact energy absorption during an impact stroke during crush of the shear walls of the lobes, such as within + / −30% or more preferably within + / −20% of a desired amount regardless of a specific location of impact, along a selected center portion of the energy absorber. A reason for the uniformity is to promote pedestrian safety regardless of the specific location where a pedestrian's leg strikes the energy absorber.
Owner:VOLKSWAGEN AG +1
Layer-based clustering routing protocol method applied to three-dimensional underwater acoustic sensor network
ActiveCN104836730AReduce consumptionGuaranteed connectivityData switching networksNetwork connectionData transmission
The invention relates to a layer-based clustering routing protocol method applied to a three-dimensional underwater acoustic sensor network. Under the conditions of a known monitoring range and a node maximum transmission distance, optimal layer number guaranteeing the network connection and optimal cluster head number under the condition that the layer number is given are determined; in the stage of selection of the cluster head, the position of a node participating in cluster head selection is limited, and the node participating in the selection decides whether to be a cluster head according to a competitive factor; in the stage of formation of an inter-cluster routing, the cluster head selects a cluster head node which is one layer higher and is closest to self as a relay node; in a stable data transmission stage, member nodes transmit the information to corresponding cluster heads, the cluster heads compress the received information and then send the compressed information to the relay node or a base station. The method can effectively balance the energy consumption of the network nodes and save the total energy consumed in the network.
Owner:SOUTHEAST UNIV
Laser cut intraluminal medical devices
InactiveUS20080033532A1Eliminate the effects ofSimply and readily achievedBlood vesselsWelding/soldering/cutting articlesActive agentLaser cutting
Laser cut bioabsorbable intraluminal devices or stents and methods for forming such an intraluminal device or stent. A precursor sheet or tube of bioabsorbable material is laser cut in the presence of an inert gas to form an intraluminal medical device or stent having a desired geometry or pattern. The device or stent may comprise a helical, or other shape, having the laser cut geometry or pattern imparted thereon. The device or stent may further comprise drugs or bio-active agents incorporated into or onto the device or stent in greater percentages than conventional devices or stents. Radiopaque materials may be incorporated into, or coated onto, the intraluminal device or stent. Precise geometries or patterns are simply and readily achievable using the laser cutting methods in the presence of an inert gas while minimizing damage to the precursor materials.
Owner:DAVE VIPUL BHUPENDRA
Multipath routing reliable transmission method based on network coding
InactiveCN102572717AUniform energyExtend the life cycleBroadcast service distributionHigh level techniquesReliable transmissionOriginal data
The invention relates to a multipath routing reliable transmission method based on network coding. The method comprises the steps as follows: a converged node periodically broadcasts routing update information, and each node acquires hop counts from self to the converged node and a neighbor table which contains all neighbor nodes and residual energy thereof; a source node calculates the needed path number; the source node encodes data packets needing to be transmitted, selects the next hop of node and sends the data; after the next hop of node receives the encoded packets, the data packets with the same group of marks are encoded, and the needed path number is recalculated; and the process above is repeated until the last node arrives at the converged node, and then the original data packet is decoded by the converged node. By adopting the method provided by the invention, reliable transmission of the network and the balance of the energy of the network can be guaranteed.
Owner:南京中通电气有限公司
Bus-based battery pack equalizer circuit and control circuit thereof
ActiveCN103944240AImprove energy balance efficiencyFast equalizationBatteries circuit arrangementsElectric powerEngineeringEnergy storage
The invention discloses a bus-based battery pack equalizer circuit. The bus-based battery pack equalizer circuit comprises N batteries; each battery is connected with a corresponding equalizer circuit and the equalizer circuit is connected to a controller; each battery is connected with one equalizer circuit and each equalizer circuit is connected to one controller; the batteries correspond to the equalizer circuits one to one and the equalizer circuits correspond to the controllers one to one; the controllers are used for controlling the equalizer circuits according to the energy information of the battery pack, and thus realizing two-way flow of energy between the battery module and an energy transmission bus and realizing equalized energy storage of the batteries; the N controllers are connected in parallel to a data bus and the N batteries are connected in parallel to an energy transfer bus; N is greater than or equal to 2.
Owner:CHONGQING UNIV
Energy efficiency opportunity routing protocol in wireless sensor network
InactiveCN101594379AReduce consumptionUniform energyEnergy efficient ICTData switching by path configurationWireless mesh networkEnergy balanced
The invention belongs to the technical field of a wireless sensor network protocol, which concretely relates to an energy efficiency opportunity routing protocol in a wireless sensor network. The invention modifies the traditional opportunity routing aiming at the property that the energy of the sensor network can not be regenerated, adjusts the priority level of standby forwarding nodes in the opportunity routing according to the residual energy of the forwarding nodes, reduces the priority level of nodes with lower residual energy, and enhances the priority level of transfer nodes with higher residual energy. By the adjustment of the sequence of the priority level of the forwarding nodes, the probability that the nodes with lower residual energy undertakes an actual forwarding task is reduced, so that the energy consumption of the forwarding nodes is slowed down; contrarily, the nodes with higher residual energy has larger probability to undertake the forwarding task. By applying the mechanism, the data forwarding task carries out dynamic adjustment according to the quantity of the residual energy of the nodes, so that the purpose of energy balance in the whole network is achieved.
Owner:北京循天行信息技术有限公司
Vehicle hood assembly with rippled cushion support
ActiveUS7635157B2Improved and uniform crush characteristicAbility to absorb and attenuateVehicle seatsSteering linkagesUltrasound attenuationEnergy absorption
Owner:GM GLOBAL TECH OPERATIONS LLC
Vehicle Hood Assembly with Rippled Cushion Support
ActiveUS20090065277A1Improved and uniform crush characteristicAbility to absorb and attenuateVehicle seatsPedestrian/occupant safety arrangementUltrasound attenuationEnergy absorption
An energy-absorbing hood assembly for a vehicle includes an inner layer operatively secured to an upper layer having a first interface surface. The inner layer has opposing first and second surfaces defining a sinusoidal profile that is oriented to extend from the forward end of the vehicle towards the rearward end of the vehicle. The sinusoidal profile includes varying amplitudes and wavelengths along different regions of the hood assembly. The amplitudes and wavelengths are individually configured to provide regionally distinct predetermined levels of absorption and attenuation of kinetic energy imparted to the hood assembly by an object upon impact therebetween. Preferably, the hood assembly also includes a lower layer having a second interface surface; wherein the inner layer has a plurality of bonding surfaces attached to the first and second interface surfaces to thereby define a plurality of laterally oriented channels.
Owner:GM GLOBAL TECH OPERATIONS LLC
Crushable Armrest Assembly
InactiveUS20090146480A1Improve crushing effectUniform kinetic energy absorptionPedestrian/occupant safety arrangementArm restsMobile vehicleMotorized vehicle
An armrest for use with a motorized vehicle is provided comprising first and second substantially opposing surfaces elongated longitudinally along the vehicle's interior surface and extending laterally inward therefrom. The armrest also includes a substantially vertical wall portion extending from the inner periphery of the first and second surfaces. The first and second surfaces define a plurality of channels oriented substantially parallel to one another and elongated longitudinally relative to the vehicle, in either a parallel or oblique fashion relative to a longitudinal axis of the vehicle. The plurality of channels is configured to sustain substantial vertical loading and controllably deform under a predetermined threshold lateral crush load. In addition, the plurality of channels preferably includes one or more partitions within each of the channels that are oriented relative to one another to thereby create a load path for lateral loads imparted to the armrest assembly.
Owner:GM GLOBAL TECH OPERATIONS LLC
Zero DC voltage fault ride-through control method of multilevel modular converter (MMC) under asymmetric state of bridge arm parameters
ActiveCN107196539AUniform energyEnergy automatic balanceAc-dc conversionElectric power transfer ac networkPower flowFull bridge
The invention discloses a zero DC voltage fault ride-through control method of a multilevel modular converter (MMC) under an asymmetric state of bridge arm parameters. Sub-modules in the MMC all employ full-bridge sub-modules, an auxiliary loop is added among bridge arms of the same DC bus side to build a new topology, energy equalization of three upper bridge arms and energy equalization of three lower bridge arms are maintained when the auxiliary circuit among the bridge arm works during the zero DC voltage fault ride-through process, all modular voltages are integratedly equalized by adjusting voltage deviation among the upper bridge arms and the lower bridge arms, a fault current is enabled to be eliminated during the zero DC voltage fault ride-through process of the MMC, reactive power support is continued to be provided for an AC system, and the energy equalization of the sub-modules is maintained particularly when the bridge arm parameters of the MMC are asymmetric. By the topology and the control method thereof, the voltage deviation caused by asymmetric bridge arm parameters can be jointly borne by the six bridge arms, the integral energy equalization is maintained, a short-circuit current is limited to a low level, and zero DC voltage fault ride-through is achieved.
Owner:XI AN JIAOTONG UNIV
Recording head and recorder comprising such recording head
A recording head having a plurality of recording elements comprises a plurality of switching elements, each provided in correspondence to each of the plurality of recording elements, constant current sources, each provided in correspondence to each of the plurality of recording elements, for flowing a constant current, and a constant current control circuit for controlling the constant current supplied from the constant current sources, and the recording elements are driven by N constant currents from the constant current sources.
Owner:CANON KK
Method and device for automatically equalizing voltages of power battery groups
InactiveCN102427255AExtended service lifeUniform energyBatteries circuit arrangementsElectric powerPower batteryLow voltage
The invention discloses a method and device for automatically equalizing voltages of power battery groups. Each single battery of the serially connected power battery groups is connected with an electronic switch, the serially connected power battery groups are connected with a charge-discharge circuit through the electronic switches, and the voltages of the serially connected power battery groups are compared by detecting voltages at two ends of each single battery in real time; a first electronic switch connected with the first single battery is switched on when the voltage of the first single battery is larger than that of a second single battery, and the first electronic switch of the first single battery is switched off after the first single battery charges the charge-discharge circuit; and a second electronic switch connected with the second single battery is switched on, and the charge-discharge circuit charges the second single battery, thus the voltages of the first single battery and the second single battery are equalized, and all the processes are sequentially repeated till the voltages of all the single batteries of the serially connected power battery groups are equalized. According to the method and device for automatically equalizing the voltages of the power batter groups, disclosed by the invention, direct equalization between the high-voltage single batteries and the low-voltage single batteries is realized in the serially connected power battery groups in short time.
Owner:DONGFENG MOTOR CORP HUBEI
Back light module and luminaire with direct type light guide plate
InactiveUS20080174999A1Uniform brightnessUniform energyNon-linear opticsReflectorsTotal internal reflectionLight guide
A backlight module including a printed circuit board, multiple light emitting diodes, and a light guide plate is disclosed. The multiple light emitting diodes can be arranged in an array or arbitrarily on the printed circuit board to provide the necessary light source for the back light module. The light guide plate with a light input surface and a light output surface is disposed on the multiple light emitting diodes. The light guide surface of the light guide plate may be flat or curved. A plurality of recesses on the light output surface of the light guide plate are configured to have the light from the light emitting diodes achieve total internal reflection effectively so that the lights are uniformly mixed in the light guide plate prior to emitting from the light guide plate. Therefore, light emitted from the light output surface of the light guide plate has higher brightness and more uniform energy.
Owner:ONION TECH CORP
Method and system for controlling the temperature of components
ActiveUS20130220590A1Significant disadvantageUniform energyFluid heatersTemperature control without auxillary powerTemperature controlControl system
Temperature-control system used for heating or cooling in a method for controlling temperature of a component includes connected temperature-control device, temperature-control arrangement, supply line, and return line. The system additionally has a controller having a valve, an actuator, a supply temperature sensor, and a return temperature sensor. A temperature difference between the supply temperature and the return temperature of a fluid circulating in the system is registered using the supply temperature sensor and the return temperature sensor and also a regulator. Proceeding from this temperature difference, the regulator causes the actuator to set a degree of opening of the valve so the temperature difference is in a selected value range. The valve always has a minimal degree of opening in the open state.
Owner:OBLAMATIK AG
Equalization management system and method for nondestructive lithium battery
InactiveCN102111005AUniform energyRefer to system efficiencyBatteries circuit arrangementsElectric powerHemt circuitsSingle chip
Owner:SHANGHAI UNIV
Distance-based energy balance dynamic geographic routing method in underwater sensor network
InactiveCN109246786AMake up for deficienciesReduce sending dataNetwork topologiesTopology informationUnderwater sensor networks
The invention discloses a distance-based energy balance dynamic geographic routing method in an underwater sensor network, and the method comprises the steps: establishing and maintaining a neighbor node table; selecting neighbor nodes that forward a data packet according to the neighbor node table to form a data packet forwarding area; calculating a forwarding factor; and setting the time for theadjacent sensor nodes in waiting for the forwarding of the data packet according to the forwarding factor. The method performs routing selection through the coordinate position information of the nodes, effectively compensates for some defects of a topology information routing method, dynamically adjusts the size of the forwarding area, reduces excessive redundant nodes for sending data, and enables a routing protocol to have dynamic adaptability. The greater the remaining energy of a node is, the easier it is to forward data, and vice versa. Finally, energy balance can be achieved.
Owner:TIANJIN UNIV
Uniform light spot surface scanning device of laser cleaning machine
A uniform light spot surface scanning device of a laser cleaning machine comprises a laser output module (10), a gauss-flat top system, a gradually-changing rotating polygonal mirror (50), a drive motor (60) and a collimation focusing lens (70). The gauss-flat top system redistributes the energy of a gaussian laser beam emitted by the laser output module (10) and compresses the diameter of the laser beam at the same time, so that a laser beam with uniform energy is formed; the laser beam irradiates the gradually-changing rotating polygonal mirror (50); the gradually-changing rotating polygonal mirror (50) is driven by the drive motor (60) to rotate so as to make the laser beam form a space angle scanning beam; the space angle scanning beam is refracted by the collimation focusing lens (70) and then forms surface light spots on an object (80) to be cleaned.
Owner:BEIJING INST OF AEROSPACE CONTROL DEVICES
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