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98results about How to "High frequency" patented technology

Multi-channel transcranial focused ultrasound regulation and control system and method based on high-frequency precise control SPWM (sinusoidal pulse width modulation)

PendingCN121971812ASimple structureReduce Harmonic DistortionUltrasound therapyMedicineTotal harmonic distortion
The embodiment of the invention provides a multi-channel transcranial focused ultrasound regulation and control system and method based on high-frequency precise-control SPWM (Sinusoidal Pulse Width Modulation). The system is applied to the technical field of ultrasonic treatment and comprises a main control module, an ultrasonic driving module, a frequency tracking module, a power supply module and an ultrasonic transducer, the master control module is used for SPWM signal generation, driving strategy switching and frequency tracking algorithm deployment. The ultrasonic driving module is used for receiving the SPWM signal output by the main control module, amplifying and filtering the SPWM signal and then outputting a target sine driving signal to the ultrasonic transducer; and the frequency tracking module is used for realizing real-time detection and tracking of the actual resonant frequency of the transducer. According to the invention, the hardware cost of multi-channel driving is reduced; the total harmonic distortion of the driving signal is reduced, and the frequency and phase control precision is improved; multi-channel driving is realized through a single MCU, and cortical and deep brain region regulation and control are compatible; the stability of the treatment process is guaranteed while the energy utilization efficiency is improved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Constant current circuit for human electrical stimulation

This invention provides a constant current circuit for human body electrical stimulation, comprising: an MCU having a first port and a second port for selectively outputting digital voltage signals; a first link comprising a first digital-to-analog converter and a first operational amplifier connected in sequence, wherein the first digital-to-analog converter can convert the received digital voltage signal into a positive analog voltage signal and output it externally, and the output terminal of the first operational amplifier is electrically connected to a current output terminal; a second link comprising a second digital-to-analog converter and a second operational amplifier connected in sequence, wherein the second digital-to-analog converter can convert the received digital voltage signal into a negative analog voltage signal and output it externally, and the output terminal of the second operational amplifier is electrically connected to the current output terminal; and a switch selector selectively conducting the electrical connection between the first link and the current output terminal and selectively conducting the electrical connection between the second operational link and the current output terminal.
Owner:BEIJING YIKE MEDICAL TECH CO LTD

Biological control device and pest control system thereof

The utility model relates to pest prevention and control technical field more specifically, relate to a biological control device and pest control system thereof, the biological control device among them includes pipeline, first carry bacteria device, nest board, light shield and tray, is equipped with the mouth on the pipeline, first carry bacteria device is connected in one end of the pipeline, light shield, nest board and tray all are set in the pipeline and are connected with the pipeline, light shield cover is established in the tray and is surrounded into movable cavity between both, nest board is located in movable cavity, the inner chamber of pipeline communicates with movable cavity through the mouth. The utility model overcomes the deficiency that the long-term stable prevention and control effect is difficult to form due to the fact that ants are prone to migrate in the prior art, by providing stable and comfortable habitat and nest building place for ants, ants in nature can be attracted to nest and settle in movable cavity, which is conducive to increasing the frequency and time of contact between ants and the first bacteria carrying device, thereby more effectively carrying and spreading insecticidal microorganisms, forming a long-term stable prevention and control effect.
Owner:GUANGDONG POLYTECHNIC OF ENVIRONMENTAL PROTECTION ENG

Lightweight rendering method for webgl-based digital twin model of pipe network

The present application relates to a kind of WebGL-based pipe network digital twin model light weight rendering method, method includes: resource preconfiguration: the grid data of different three-dimensional model is generated corresponding instance template;Through instance template generation instance is stored in instance pool;In scene graph, create include call data and dynamic data lightweight placeholder, call data is used to extract instance, and dynamic data is used to adjust the dynamic display of instance;Lightweight rendering: set the visibility screening strategy of placeholder, whether current placeholder is visible is judged in turn through the screening condition of level, distance and perspective, view cone intersection;Set instance management strategy, for the placeholder screened as visible, corresponding instance is called from instance pool and is bound, and the binding relationship is recorded, for the placeholder screened as invisible, unbind, and the instance after unbinding is marked as idle;The placeholder of bound instance is rendered and output.Effectively reduce the memory occupation when rendering.
Owner:ZHONGRUIHENG (BEIJING) TECH CO LTD

Radio frequency signal transmission delay adjusting device

PendingCN121906105Acancel discontinuity capacitanceMeet stringent requirements for latency consistencyWaveguidesElectrical conductorRadio frequency signal
The invention provides a radio frequency signal transmission delay adjusting device, which is characterized by comprising a first outer conductor, a second outer conductor, a first inner conductor and a second inner conductor which are coaxially arranged, the first inner conductor comprises a first step section and a second step section in the axial direction, the first step section is arranged in the first outer conductor, and the second step section is arranged in the second outer conductor; the second outer conductor internally comprises a first inner cavity and a second inner cavity along the axial direction, the first outer conductor is inserted in the first inner cavity, and the second inner conductor is arranged in the second inner cavity; one end, close to the first outer conductor, of the second inner conductor comprises a containing cavity extending in the axial direction, and at least part of the second step section is arranged in the containing cavity in a penetrating mode; an adjusting section is arranged between the end, located in the first inner cavity, of the first outer conductor and the end, close to the first inner cavity, of the second inner cavity, the first outer conductor can drive the first inner conductor to move in the axial direction relative to the second outer conductor, the length, penetrating through the containing cavity, of the second step section is changed, and therefore the length of the adjusting section is adjusted.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT

Centrifugal fan

ActiveCN224413947USolve the lack of spaceAvoid affecting aerodynamic performanceBroadband noiseHearing range
The utility model provides a centrifugal fan, including volute still include: impeller, the impeller is provided with at least two groups, and at least two groups impeller follow the axial direction of volute, the middle disc is arranged between two groups of adjacent impeller, two groups of adjacent impeller are separated through the middle disc, and the import of middle disc is linked together with the import of volute, each group impeller is provided with several blades, and several blades are arrayed around the axial direction of volute, and the blade of two groups of adjacent impeller is staggered along the projection direction of blade. Through the mode for increasing the number of blade, increase the times of cutting the airflow that enters the volute, thereby improved the frequency of rotation noise, namely BPF noise, make BPF noise frequency far away from the hearing range of human ear, and then reduce the situation that the user hears the rotation noise. In addition, the blade that interlaces can break the shedding vortex that the blade tail edge produces, reduces the broadband noise of fan.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

A solid-phase thickening reactor for PETG chips

This invention discloses a solid-phase thickening reactor for PETG chips, belonging to the field of polyester chip processing technology. It includes an outer cylinder with an inlet pipe and an outlet pipe installed at its top and bottom, respectively. Support legs are installed on the side of the outer cylinder. Inside the outer cylinder are a supporting cylinder and four movable inner cylinders. Connecting rings connect the supporting cylinder to the movable inner cylinders and between adjacent movable inner cylinders. This invention ensures that each chip can undergo sufficient and uniform heat exchange with the heat medium, eliminating heating "dead zones" and temperature differences in traditional equipment. Based on the synergistic effect of uniform dispersion, controllable feeding, and a three-dimensional thermal field, the raw material can undergo a thickening reaction in the reactor in an optimal state. This ensures the uniformity and thoroughness of the reaction, effectively avoiding quality problems such as chip viscosity differences and yellowing caused by uneven heating or inconsistent reaction times. Therefore, it significantly improves the final product quality, production efficiency, and batch stability of the PETG chips.
Owner:HUBEI GUOXIN JUZHI NEW MATERIAL TECH CO LTD

A vehicle frame front end module, a vehicle frame and a vehicle

This utility model belongs to the field of vehicle underbody structure, specifically providing a front-end module of a chassis, a chassis, and a vehicle. The module includes a driver's area and a rest area. The driver's area includes a front upper main longitudinal beam, a left front lower main longitudinal beam, and a right front lower main longitudinal beam. The left or right front lower main longitudinal beam is located directly below the front upper main longitudinal beam. The rear end of the front upper main longitudinal beam is connected to a main crossbeam. The rest area includes a left rear main longitudinal beam and a right rear main longitudinal beam. The left and right rear main longitudinal beams connect to the front axle module of the chassis. The main crossbeam is connected to a middle crossbeam via a left upper vertical beam and a right upper vertical beam. The left and right upper vertical beams are located in front of the left and right rear main longitudinal beams, respectively. The left front lower main longitudinal beam, right front lower main longitudinal beam, left rear main longitudinal beam, and right rear main longitudinal beam are all connected to the middle crossbeam. The chassis includes the above module. The vehicle includes the above chassis. This utility model, while meeting NVH performance requirements, retains a rest area to meet the driver's rest needs.
Owner:ZHENGZHOU YUTONG BUS CO LTD

Lidar

PendingCN122110057Areduce resolutionreduce signal to noise ratioWave based measurement systemsLidarBeam delivery
The application is suitable for the technical field of laser radar, and provides a laser radar, which comprises a light source, a transmitting module, a receiving module, a transmission module, a detecting module and a signal processing module; the transmission module comprises a first coupler and a plurality of transmission media, wherein the local oscillator beam is transmitted to at least one transmission medium for delay processing through the first coupler, and the delay amount of the at least one transmission medium is different from that of the other transmission media; the detecting module is connected with the transmission module and the receiving module respectively, is used for receiving the echo signal and the delayed local oscillator beam output by the transmission module, performing beat frequency processing on the echo signal and the delayed local oscillator beam to obtain a beat frequency signal, and converting the beat frequency signal into a detecting electric signal; and the signal processing module is electrically connected with the detecting module, is used for determining a to-be-measured object according to the detecting electric signal. The laser radar provided by the application can improve the strength of the detection signal in long-distance measurement.
Owner:北京集光智研科技有限公司

Grinding rotor and vertical nanosand mill having the same

The present application relates to a kind of grinding rotor, including top wall, and with top wall connection side wall, grinding rotor inside is opened with grinding inner cavity, the outer periphery of side wall is provided with multiple grinding bars, the cross-sectional area of grinding bar is along the decreasing trend of grinding rotor radial direction from inside to outside, at least part grinding bar is provided with first inclined plane in the face side along the direction of rotation of grinding rotor, first inclined plane is arranged with horizontal plane angle;Side wall is provided with several heterodirectional variable-diameter channels, each heterodirectional variable-diameter channel is gradually tapered from inside to outside, each heterodirectional variable-diameter channel includes top surface, first side, bottom surface and second side connected in sequence, top surface and bottom surface are arranged with angle between them. Through the design of grinding bar and heterodirectional variable-diameter channel and cooperate with separating wheel assembly, avoid forming grinding dead zone in grinding cavity, and effectively improve the grinding efficiency and grinding uniformity.The present application also relates to vertical nanometer sand mill with the grinding rotor.
Owner:DONGGUAN LONGLY MACHINERY +1

Pulse dust removal system for cleaning equipment and cleaning equipment

The application discloses a kind of pulse dust removal system and cleaning equipment for cleaning equipment, pulse dust removal system for cleaning equipment includes pulse dust removal device, chassis air supply device, upper air supply device and control device, pulse dust removal device is used to interface with filter device, chassis air supply device is connected with pulse dust removal device, upper air supply device is connected with pulse dust removal device, control device is respectively connected with chassis air supply device, upper air supply device and pulse dust removal device communication, and be configured as: in the case where chassis air supply device satisfies brake safety condition, control chassis air supply device and upper air supply device to pulse dust removal device confluence air supply, then in the case where guarantee driving safety, by the confluence air supply of chassis air supply device and upper air supply device, the air supply of pulse dust removal device is obviously effectively increased, the increase of air supply can further improve the frequency and times of pulse dust removal, to reach the purpose of improving pulse dust removal effect.
Owner:ZOOMLION ENVIRONMENTAL IND CO LTD

Secondary flow guide vanes of a turbine and turbines equipped with secondary flow guide vanes

The present invention relates to a secondary flow guide vane (1) for a turbine, comprising a skin (2, 3) having ends (21, 31) defining an opening (5) and a cavity (4) between the ends, the skin branching off from each other in a direction (Y). A filler material (41) is located in the cavity (4) at a distance from the opening (5). A reinforcement (6) having a higher density than the material (41) includes a first reinforcement portion (61) positioned against the material (41) in the cavity (4) and a second reinforcement portion (62) for closing the opening (5) between the portions (21, 31) to form a single piece.
Owner:SAFRAN AIRCRAFT ENGINES SAS

Metal surface plasma detonation treatment device

The application discloses a metal part plasma detonation treatment device, which comprises a capacitive induction power supply, a reaction chamber and a detonation gun. The capacitive induction power supply comprises a ring-shaped cathode electrode, a ring-shaped anode electrode and a center electrode. The center electrode is fixedly connected with the anode electrode. The reaction chamber is a ring-shaped cavity surrounding the anode electrode. The reaction chamber separates the cathode electrode from the anode electrode. The detonation gun is connected with a detonation gun ring chamber and is used for introducing combustible gas and performing periodic detonation. The nozzle is connected with the ring-shaped cavity and is used for introducing alloy elements. The metal part plasma detonation treatment device improves the hardening effect of the device on the metal surface, improves the uniform distribution of the alloy elements, and improves the modification quality and productivity of the workpiece surface.
Owner:浙江巴顿焊接技术研究院 +3

Self-excitation synchronous motor excitation enhancement method based on asymmetric square wave injection

The invention discloses a self-excitation synchronous motor excitation enhancement method based on asymmetric square wave injection, which comprises the following steps of: firstly, injecting a high-frequency square wave voltage signal with an adjustable duty ratio into a stator winding of a motor, and controlling the adjustment range of the duty ratio to be 0-100%; secondly, calculating based on the high-frequency square wave voltage signal to obtain a high-frequency injection phase current under a natural coordinate system; thirdly, exciting current on an exciting winding in the motor is calculated according to the high-frequency injection phase current; and finally, acquiring numerical values of high-frequency injection phase current and exciting current corresponding to the high-frequency square wave voltage signal under different duty ratios, establishing a corresponding relationship among the high-frequency injection phase current, the duty ratio and the exciting current, and adjusting the duty ratio based on the corresponding relationship so as to realize enhanced adjustment of the exciting current. Therefore, by changing the duty ratio of the injected high-frequency square-wave voltage signal, under the condition of the same square-wave voltage, excitation harmonics with higher frequency can be obtained, and the induced electromotive force in the harmonic winding is increased, so that the excitation current is increased.
Owner:QUANZHOU INST OF EQUIP MFG +1

Multistage bromine dehumidification device

The utility model relates to the technical field of bromine production equipment, in particular to a bromine multi-stage dehumidification device which comprises a dehumidification tank, supporting legs which are symmetrically distributed are fixedly installed on the two sides of the bottom of the dehumidification tank, a drying tower is fixedly installed on the top of the dehumidification tank in an embedded mode, and a feeding pipe is fixedly installed on the top of the drying tower in a penetrating and penetrating mode. According to the bromine multi-stage dehumidification device, through cooperative use of the dehumidification tank, the supporting legs, the visual window, the feeding pipe, the drying box, the guide pipe, the inner box, the discharging pipe, the blocking net, the drying tower, the first electric valve, the second electric valve and the liquid discharging pipe, dehumidification modes of different principles are integrated, and multi-stage dehumidification is achieved on bromine. The method comprises the following steps: contacting bromine with concentrated sulfuric acid, removing most of water by using strong water absorption of the concentrated sulfuric acid, and discharging water-containing sulfuric acid in a layered manner through density difference; enabling the preliminarily dried bromine to pass through a drying box filled with anhydrous calcium chloride and a molecular sieve, and deeply adsorbing residual moisture;
Owner:WEIFANGDONGYUAN LIANHAI ENVIRONMENTAL TECH CO LTD

Novel swing type planetary ball mill

ActiveCN224271362UComplicated trajectoryReduce the phenomenon of insufficient grindingGrain treatmentsVertical vibrationClassical mechanics
The utility model discloses a novel swing type planetary ball mill, which relates to the technical field of ball milling equipment and comprises a base, two swing support frames fixed at the top of the base, swing bearing seats fixed at the tops of the swing support frames, a swing frame rotatably connected between the two swing support frames through the swing bearing seats, and a swing arm mechanism arranged on the base. The swing arm mechanism comprises a speed reducer fixed to the base, a motor is installed at the input end of the speed reducer, a rotating wheel is fixed to an output shaft of the speed reducer, a swing arm is fixed to the shaft end of one end of the swing frame, and a connecting rod is rotationally connected between the rotating wheel and the swing frame. Reciprocating swing of the grinding tank can enlarge the coverage range of grinding balls in the tank, the phenomenon that materials on the inner edge or the bottom of the grinding tank are not fully ground in a traditional single rotation mode is reduced, an additional impact direction such as horizontal or vertical vibration can be introduced, energy input in unit time can be improved in combination with original planetary rotation, and the service life of the grinding tank is prolonged. And particularly, the crushing effect on tough materials is better.
Owner:CHANGSHA TIANCHUANG POWDER TECH CO LTD

A PE pipe production mixing device

This utility model relates to the technical field of PE pipe mixing devices, and more particularly to a PE pipe production mixing device, including a mixing box and fixed blocks; the mixing box is equipped with a mixing component for mixing PE pipe raw materials, and support components are installed on both sides of the mixing box. Two sets of fixed blocks are set at both the front and rear ends of the mixing box. The mixing component includes guide plates, which are arranged crosswise on both sides inside the mixing box. The guide plates have guide grooves inside, and a connecting rod is set inside the guide plate on the side of the guide plate near the inner wall of the mixing box. In this utility model, when the raw materials flow through the guide plates, the guide grooves play a guiding role, changing the flow direction of the raw materials. Through the crosswise arrangement of the guide plates, raw materials with different flow directions meet under the guidance of the guide grooves, promoting the circulation of raw materials in the mixing box, increasing the contact frequency and mixing opportunities between raw materials, and enabling different types and properties of raw materials to fully contact and mix, accelerating the production pace, increasing capacity, and reducing production costs.
Owner:XINGJIE PIPELINE TECH CO LTD

Unmanned aerial vehicle vision adaptive control method based on multi-scale spatio-temporal network

PendingCN122592867AHigh precisionHigh frequency
The application provides a kind of unmanned aerial vehicle vision adaptive control method based on multi-scale space-time network. By constructing multi-branch hollow convolution feature extraction and adaptive scale re-labeling network, the cooperative perception of near and far target features and background noise suppression are realized. On this basis, the dynamic multi-head self-attention mechanism with fusion time decay penalty factor is introduced, and the physical evolution law constraint is carried out on the continuous image sequence, effectively filtering out the instantaneous motion blur and target occlusion interference. In the state estimation link, the system constructs a deep coupling residual injection mechanism of vision and dynamics, and uses high-dimensional space-time perception features to correct the prediction deviation of the rigid body model in real time. Finally, combined with the error adaptive model predictive control and nonlinear robust disturbance observer, the optimal closed-loop control command is generated and directly drives the underlying electromechanical actuator. The application fundamentally breaks through the technical barriers of the separation system architecture, significantly improves the high-frequency state perception accuracy, large maneuver trajectory tracking performance and all-weather operation system robustness of the aircraft in the face of nonlinear gust disturbance and satellite navigation limited extreme working conditions.
Owner:SHENYANG LIGONG UNIV

Directional adaptive wave energy generator and method of generating electricity

This invention discloses a directional adaptive wave energy generator and its power generation method. In this invention, raft one and raft two oscillate back and forth with the waves. During oscillation, a magnetic coupling transmission device and a one-way bearing drive the drive shaft of the triboelectric nano-power generation mechanism located in the sealed chamber to rotate unidirectionally. The drive shaft drives the FEP friction layer in the rotor of each power generation component to contact and rub against the MF foam friction layer in the stator, generating triboelectric charge. Furthermore, the relative positions between the FEP friction layer and the copper electrodes A and B in the stator periodically change, creating an alternating potential difference between copper electrodes A and B. Electrons flow back and forth between copper electrodes A and B, forming an alternating current, thus achieving power generation. Raft two is equipped with a tail fin, enabling the device to automatically adjust its attitude according to the wave or current direction. This invention can convert low-frequency wave energy into a stable current output for power generation and exhibits strong adaptability to multi-directional waves and complex sea conditions.
Owner:HANGZHOU DIANZI UNIV

High-performance terminal antenna and mobile terminal equipment

ActiveCN224096969UHigh frequencyImprove radiation efficiencyAntenna arraysAntenna supports/mountingsTerminal equipmentRadiation frequency
The utility model provides a high-performance terminal antenna and a mobile terminal device, the high-performance terminal antenna comprises a first radiation antenna and a second radiation antenna, and the first radiation antenna and the second radiation antenna are mutually coupled and connected to form a coupling gap. The first radiating antenna comprises a first antenna branch knot, a second antenna branch knot, a third antenna branch knot and a feeding point which are connected in sequence, and the feeding point is electrically connected with the first antenna branch knot; the second radiating antenna comprises a grounding point and a fourth antenna branch knot, and the grounding point and the feeding point are arranged on the two sides of the coupling gap respectively. According to the high-performance terminal antenna of the utility model, not only can the main branches extending the radiation area be mutually coupled, but also the overall radiation frequency and radiation efficiency of the antenna can be effectively improved.
Owner:上海睿翔讯通通信技术有限公司

A cell culture dish shaking device

This utility model discloses a cell culture dish shaking device, relating to the field of cell culture equipment technology. The utility model includes a housing with a tray on top. A locking mechanism is movably connected to the top of the tray, and a shaking mechanism is fixedly connected to the inner cavity of the housing. The locking mechanism of this utility model employs a design of magnetic locking blocks engaging with slots and magnetic adsorption. When replacing the expansion plate, the experimenter only needs to align the magnetic locking block of the expansion plate with the slot on the tray, and installation can be quickly completed using magnetic force, without the need for any tools. Disassembly only requires applying an external force slightly greater than the magnetic force to separate the expansion plate from the tray, significantly saving experimental preparation and cleaning time and improving experimental efficiency. Furthermore, by replacing expansion plates of different specifications and shapes, it can adapt to cell culture dishes of different sizes, as well as diverse experimental containers such as flasks and deep-well plates, greatly enhancing the adaptability of the device to different experimental needs.
Owner:JIANGSU KANGHE BIOPHARMACEUTICAL CO LTD

Bio-organic fertilizer pulverizer

ActiveCN224524907Ureduce entanglementImprove crushing efficiency
The utility model discloses a kind of biological organic fertilizer grinders, it is related to agricultural engineering technical field, including box and lid, the top of the lid is equipped with servo motor, the driving end of the servo motor is connected with connecting rod, the outer wall of the connecting rod is fixedly installed with first crushing knife, the cross section of the first crushing knife is set as undulating, the utility model is rotated by servo motor after starting drive connecting rod, drive the first crushing knife fixed on it synchronous rotation, the first crushing knife of undulating is with the cutting angle of continuous change produces multidirectional shear force, cooperate arc-shaped crushing knife sharp edge to high toughness, high moisture content raw material is initially crushed;The arc-shaped structure of arc-shaped crushing knife guides material to gather to smashing chamber center, tear fiber class substance by curve motion trajectory, reduce winding phenomenon;Two form three-dimensional cutting network, from multiple plane impact shear material, improve crushing efficiency and uniformity.
Owner:SHANDONG GUANWEI CHEMICAL CO LTD

An active load response system based on low communication requirements

ActiveCN116093958BEfficient aggregationEffective operational impactAc network load balancingElectric power systemPower usage
The application relates to an active load response system based on low communication demand, wherein a central control module and a plurality of frequency modulation modules are connected through distributed control communication; the frequency modulation module comprises a data receiving and transmitting unit, a data processing and storage unit and an active load response adjusting unit; the data receiving and transmitting unit is used for obtaining operation data of the central control module, other frequency modulation modules and power loads; the data processing and storage unit is used for determining consumed power of the active load response adjusting unit according to the operation data obtained by the data receiving and transmitting unit and the operation state of the active load response adjusting unit; and the active load response adjusting unit is used for adjusting consumed electric energy of the load through a communication mode or a direct adjustment mode of load power voltage and frequency. The application solves the technical problems of a large number of devices, small capacity and wide distribution in the prior art, improves the technical performance of device clusters, and provides frequency support and adjustment for a power system.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL

Data loading apparatus, method and electronic device

The application discloses a data loading device, method and electronic equipment, and belongs to the technical field of computers. The device comprises a first module, a second module and a data loading module. The first module is used for sending a read enable signal according to the frequency of a first clock. The data loading module is used for delaying the read enable signal based on the frequency relationship between the first clock and a second clock, inputting the delayed read enable signal to the second module, and sending a first enable signal to the first module when the n-1th first clock period after the moment when the second module detects the read enable signal arrives, wherein the first enable signal is used for indicating that the first module can send the next read enable signal, the second clock is a clock for driving the second module, the first clock is synchronous with the second clock, and the first frequency of the first clock is n times of the second frequency of the second clock. The second module is used for providing data requested by the first module to read under the condition of detecting the read enable signal.
Owner:SANECHIPS TECH CO LTD

Sediment filtering and washing device for high-purity molybdenum trioxide production

ActiveCN224056853UImprove processing production speedHigh frequencyProcess efficiency improvementCleaning using liquidsSediment FilterCentrifugal force
The utility model discloses a precipitate filtering and washing device for high purity molybdenum trioxide production, which comprises a treatment tank, a fixed shaft is arranged in the center of the lower part of the treatment tank, a rotary drum is arranged at the top of the fixed shaft, a rotary support member is arranged between the upper end edge of the rotary drum and the inner wall of the treatment tank, and a water permeable hole is formed in the side wall of the rotary drum. The utility model relates to the technical field of molybdenum trioxide production, low-temperature pure water for cleaning is injected into the filter screen cylinder through the water injection pipe, under the stirring action, the contact frequency and the contact area between precipitates and the pure water are increased, the water washing working speed is improved, and after cleaning is carried out for a certain period of time, the precipitates are separated from the filter screen cylinder. And a driving control mechanism at the lower part of the treatment tank is started to perform rotation control on the fixed shaft, so that rotation control on the rotary drum and the filter screen drum is realized, liquid in the filter screen drum is thrown out under the action of centrifugal force, and a drain valve is opened to drain water.
Owner:JINZHOU TIANQIAO REFRACTORY METAL

Powder surface modification apparatus

The utility model belongs to powder modification auxiliary equipment technical field relates to a kind of powder surface modification equipment, including the installation of modification cylinder, atomization pressurizer and hot air machine on support ring, and feed tank is hung on support ring, detachable installation has hot flow catalytic device on modification cylinder, hot air machine is connected hot flow catalytic device by air pipe, and modification cylinder bottom surface is equipped with stirring cleaning device, and modification cylinder inner chamber side and hot flow catalytic device are all closely attached stirring cleaning device.The utility model through hot flow catalytic device, not only can provide suitable temperature environment for modification reaction, accelerate the performance of chemical reaction, but also can be synergized stirring with stirring cleaning device, promote the flow of powder and modifier, enhance the contact and collision frequency between them, to speed up the speed of modification reaction, shorten modification cycle;Through stirring cleaning device, stick powder is promptly removed in stirring process, reduce the jam and blockage phenomenon of powder in equipment interior.
Owner:SHANDONG GOLD DIAMOND METAL MATERIALS CO LTD

Zinc oxide grinding machine

The utility model discloses a zinc oxide grinding machine which comprises an outer machine box, an inner barrel body and a discharging barrel, the discharging barrel is installed in the center of the bottom of the outer machine box, a discharging motor is installed at one end of the discharging barrel, and the output end of the discharging motor extends into the discharging barrel and is provided with a spiral stirring paddle. Fine grinding blocks are arranged on the inner wall of the discharging barrel between blades of the spiral stirring paddle; a servo motor is installed on one side of the outer machine box, and the output end of the servo motor extends into the ball milling bin of the outer machine box and is provided with an inner cylinder. Due to the adoption of the design of the double grinding balls, the contact area and the collision frequency of a grinding medium and a zinc oxide material are obviously increased. The protrusions evenly arranged on the outer side of the first grinding ball are matched with the grooves evenly formed in the outer side of the second grinding ball, the interaction between the grinding media is further optimized, the grinding process is more efficient, the zinc oxide can be ground to the finer granularity, and therefore the production capacity is remarkably improved.
Owner:湘潭畅阳环保科技有限公司

Mango juice black spot filtering apparatus and filtering method thereof

This invention relates to the field of food filtration technology and discloses a mango juice black spot filtration device and its filtration method. The device includes a frame, a motor fixedly connected to one side of the top of the frame, an organic housing fitted and fixedly connected to the inner wall of the top of the frame, a rotating shaft fixedly connected to the output end of the motor, and a belt fitted and rotatably connected to the outer wall of the rotating shaft. It also includes a black spot filtration mechanism, comprising a drive shaft rotatably connected to the inner wall of the belt at the end away from the rotating shaft. One end of the drive shaft passes through the housing and extends to the outside of the housing. A feed pipe is connected to the top of one side of the housing. During debugging, the residence time of the material in the nylon filter screen can be increased by adjusting the angle of the brush, thereby increasing the output. Furthermore, appropriately increasing the frequency of the inverter can improve the separation factor, increase the centrifugal force of the material, and increase the throughput of the nylon filter screen, thus further increasing the output. Adjusting the angle of the frame makes it easier to discharge the black spots.
Owner:SHANGHAI BEYOND MACHINERY

Continuous drying and crushing integrated machine for heparin sodium crude product production

PendingCN122321993AFully contactedConducive to linkage and collaborationProcess engineeringHeparin sodium
The application is suitable for the field of heparin sodium crude product production, and provides a continuous drying and smashing integrated machine for heparin sodium crude product production, which comprises a secondary drying and smashing box, a drying and smashing cylinder assembly is arranged in the secondary drying and smashing box, the drying and smashing cylinder assembly is used for receiving heparin sodium wet solid introduced by a primary drying and smashing box; the drying and smashing cylinder assembly comprises a feeding pipe, a power shaft and a drying and smashing cylinder structure; the drying and smashing cylinder structure comprises a drying and smashing outer cylinder and at least two drying and smashing inner cylinders which are sequentially sleeved; the feeding pipe is communicated to the innermost drying and smashing inner cylinder of the at least two drying and smashing inner cylinders through a hose; the power shaft is used for synchronously driving the drying and smashing outer cylinder and the drying and smashing inner cylinders to rotate; the heparin sodium wet solid can be fully guaranteed to be in full contact with the heating body of the cylinder mesh in the sequentially graded smashing process, which is beneficial to linkage and cooperation of the two processes of drying and smashing, and reduces equipment investment cost and maintenance cost.
Owner:TIANMEN RUNCHENG BIOTECHNOLOGY CO LTD

Spliced mirror adjusting method and device based on equal inclination interference

The invention relates to a spliced mirror adjusting method and device based on equal inclination interference, belongs to the technical field of large-aperture optical mirror surfaces, and solves the problems of complex system, environment sensitivity, poor real-time performance and the like of the existing spliced mirror co-phase detection method. The method comprises the following steps: installing an adjusting device at a theoretical curvature center position of a primary mirror of the large-aperture optical system; ideal spherical waves emitted by the point light source are divided into two paths through the optical splitter, wherein one path enters the large-aperture optical system reflector and is reflected back to the optical splitter; the other path of light enters the plane mirror through the lens group and is reflected back to the optical splitter; the two paths of reflected light are subjected to equal inclination interference at the optical splitter; and after the number of the equal-inclination interference fringes is extracted through the detection terminal, the position of each splicing mirror in the primary mirror of the large-aperture optical system is adjusted until the number of the equal-inclination interference fringes is minimum. The device is simple in principle, compact in structure and high in environment robustness, and a reliable means is provided for rapid and high-precision real-time co-phase adjustment of the spliced mirror.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI