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39results about How to "Can't solve the problem" patented technology
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Slag-free production process using bauxite or red mud
InactiveCN102732662ASolve the problem of land occupationSolve the pollution of the environmentRotary drum furnacesProcess efficiency improvementMolten stateResource utilization
The invention provides a slag-free production process using bauxite or red mud. The method comprises the following steps: a) preparing a mixed raw material from bauxite or red mud, lime and coal in proportion; b) adding the mixed raw material into a rotary kiln for drying and pre-reduction so as to obtain a reduced material in a semi-melting state; c) adding the reduced material into a melting-separation furnace for melting and separation of slag and iron, wherein high-alumina clinker at an upper layer is discharged from a high-alumina clinker outlet, and hot molten iron at a lower layer flows out from a hot molten iron outlet; and d) allowing the high-alumina clinker discharged from the high-alumina clinker outlet to enter into an alkali dissolution tank containing a proper amount of alkali liquor and carrying out stirring and solid-liquid separation so as to obtain a sodium aluminate solution and solid light metal oxides of silicon, calcium, magnesium and titanium. The process provided in the invention has the following advantages: production cost is reduced, resource utilization of red mud is realized, alumina and iron in alumogoethite can be separated and extracted, and pollution to environment caused by generation of red mud is eradicated; separation and utilization of all the elements in bauxite and red mud are realized, operation cost is low, economic benefits are high, and the slag-free production process is green and environment friendly and has recyclicity.
Owner:胡长春 +1
Frosted hardened film for in-mold decoration
ActiveCN102501421AFix color errorsCan't solve the problemSynthetic resin layered productsUltravioletSolvent
The invention provides a frosted hardened film for in-mold decoration, comprising a support body and a transparent hardened layer, wherein convex-concave veins are stamped on the transparent hardened layer through stamping and secondary ultraviolet curing; the thickness of the transparent hardened layer is 10-20 microns; and the transparent hardened layer comprises the following components in parts by weight: 35-50 parts of polyurethane acrylic prepolymer, 1-10 parts of grafted modified acrylic monomer, 0.5-7 parts of light initiator, 0.05-2 parts of flatting agent and 30-60 parts of solvent. According to the product provided by the invention, a frosting effect is generated, and the problems that printed patterns of the existing product do not have right colors and are not transparent are solved; and furthermore, the requirements on molding and tensile performances of the IMD (In-mold Decoration) can be met. The frosted hardened film for the in-mold decoration can be widely applied to surface decoration of the products.
Owner:HEFEI LUCKY SCI & TECH IND
Intelligent display storage rack and working method thereof
InactiveCN107114959AReduce workloadReduce in quantityShow shelvesShow hangersComputer hardwareWorking set
The invention discloses an intelligent display storage rack which comprises a display rack body. The display rack body is internally provided with a base, a support frame, a containing rack, a voice playing device, a detection device and a control device; the support frame is fixed to the base, the containing rack is transversely arranged on the support rod, the voice playing device is arranged at the placing position of an object on the storage rack, the detection device is arranged on the display rack body, the control device is arranged the a base, a control key is arranged on the containing rack, and the voice playing device and the control key are both connected with the control device; a camera shooting mechanism and an infrared detector are arranged in the detection device. Accordingly, by arranging the voice playing device on the display storage rack, price broadcasting is conducted through the voice playing device, more conveniences are provided for clients, and meanwhile the workload of workers is reduced; the detection device is arranged on the display storage rack, voice reminding is conducted on the workers through the voice playing device according to the detection results, and the workload of the workers is greatly reduced.
Owner:TAICANG WEIGUAN ELECTROMECHANICAL
Wastewater treatment method for preventing and treating inhabitant point-surface source pollution in villages and towns
InactiveCN103896459AEasy to handleLow infrastructure costMultistage water/sewage treatmentWater qualityPollution
The invention discloses a wastewater treatment method for preventing and treating inhabitant point-surface source pollution in villages and towns. The method comprises the following steps: by taking an ecological anaerobic regulation and storage pond (biological pond) as pretreatment, specially designing a biological regulation and storage pond to serve as a front-end treating main body, precipitating suspended matters in the wastewater, hydrolyzing and degrading part of organic pollutants under anoxic and anaerobic conditions, and then entering a middle BIOLAK biochemical treatment system; deeply treating at the tail end through an efficiency biological precipitation pond, taking a vertical flow precipitation pond free of energy consumption as a treatment structure and enabling water quality to reach relative water quality standards stably. The wastewater treatment method is few in process devices, simple and convenient to maintain, simple in wastewater treatment schemes, low in operation cost and low in requirement on technical skills of maintainers; the treated wastewater can reach recycling standards such as an agricultural irrigation standard and the like; the set of treatment process is relatively adaptive to wastewater treatment and management modes of villages and towns and capable of effectively improving the utilization rate of the water and reducing water supply pressure and drought resisting pressure.
Owner:KUNMING LANXING ENVIRONMENTAL TECHN ENG
Method and device for expanding address resolution protocol table
InactiveCN105323175AIncrease capacityCan't solve the problemData switching networksAddress Resolution ProtocolRouting table
The invention discloses a method for expanding an address resolution protocol (ARP) table. The method comprises the steps that: a CPU obtains the ARP table, and sets an IP address of the ARP table in a mainframe routing table of a switch chip; and in the case of hash (hash) conflict of the mainframe routing table, the IP address of the ARP table suffering the hash conflict is set in a subnet routing table of the switch chip. The invention further discloses a device for expanding the address resolution protocol table.
Owner:ZTE CORP
Fault processing method and device
ActiveCN106059824ACan't solve the problemImprove protectionData switching networksEngineeringInterconnection
The invention provides a fault processing method and device. The method comprises the following steps that interconnection nodes judge whether a multipoint fault exists on a primary ring when a public link on the primary ring where interconnection ports on the interconnection nodes are located has a fault, wherein the interconnection ports are ports on a public link of the primary loop and subrings, where the interconnection nodes are located; if the primary ring has the multipoint fault, the interconnection nodes determine the number of hops between the fault interconnection node and the interconnection node according to a signal fail SF message received from non-interconnection ports, wherein the non-interconnection ports are ports except for the interconnection ports on the primary loop; and if the number of hops is smaller than the reference number of hops between the interconnection nodes and master nodes, the interconnection nodes send an MS (Manual Switch) message on the ports of the subrings of the interconnection nodes and block the ports of the subrings on the interconnection nodes, so that the nodes of the subrings receiving the MS message open a blocked ring protection link RPL. According to the method and the device, a problem of blocked traffic of the subrings can be effectively solved.
Owner:NEW H3C TECH CO LTD
Sparse surface feature classification and labeling method based on visible light and laser radar images
ActiveCN105046264AAccurate and fast classificationAccurate and quick markingCharacter and pattern recognitionRadarSlide window
The present invention relates to a sparse surface feature classification and labeling method based on visible light and laser radar images. According to the method, the height information of the laser radar image is used to extract corresponding surface feature image areas in the visible light image and coordinate positions, then the surface feature image areas are subjected to classification judgment by using a classifier, and labeling is carried out on the corresponding coordination positions. According to the method, the problems of difficult extraction of a target area and time consumption and low accuracy brought by a sliding window strategy are solved, surface features can be accurately and rapidly classified and labeled, the classification speed and labeling accuracy of the surface features are improved, the accuracy of classification and labeling is ensured, and the classification time is reduced.
Owner:XIDIAN UNIV
Novel sealing bolt for machine tool protective cover and assembly structure of sealing bolt
ActiveCN105972013APrevent leakageSolve the problem of leakage and penetrationWashersNutsMachine toolAssembly structure
The invention provides a novel sealing bolt for a machine tool protective cover and an assembly structure of the sealing bolt. The bolt comprises sheet metal A and sheet metal B, a through hole is formed in the center of the sheet metal B, a welding nut matched with the through hole is arranged on one side of the sheet metal B, the sheet metal A is arranged on the other side of the sheet metal B, and a kidney-shaped hole connected with the through hole is formed in the sheet metal A. The sealing bolt comprises a bolt rod and a bolt head, a gasket clamping groove is arranged at the large end of the bolt head, one end of the bolt rod is connected to the center of the gasket clamping groove, the other end of the bolt rod sequentially penetrates through the sheet metal A and the sheet metal B and is fixedly meshed with the welding nut, an elastic washer is sleeved with the gasket clamping groove, and the bolt rod on the outer side of the elastic washer is sleeved with a flat washer. According to the scheme, the problem that connection hole liquid on the machine tool protective cover leaks and permeates is effectively solved under the action of the bolt rod, the elastic washer and the flat washer, and meanwhile the problem that connection holes in the machine tool protective cover are not aligned is solved.
Owner:NINGXIA KOCEL MACHINE TOOL ACCESSORIES
PCR (polymerase chain reaction) method for quickly and efficiently detecting DNA (deoxyribonucleic acid) methylation modification after sulfite treatment
InactiveCN102888461ALow costImprove experimental efficiencyMicrobiological testing/measurementGenomeDNA
The invention relates to a PCR (polymerase chain reaction) method for quickly and efficiently detecting DNA (deoxyribonucleic acid) methylation modification after sulfite treatment. The technical scheme is as follows: 1) a pair of inner primers A1 and A2 and a pair of outer primers B1 and B2 are designed; 2) PCR amplification: the PCR amplification comprises two PCR processes: the first PCR process is touchdown PCR, and uses the primers A1 and A2, or A1 and B2, or B1 and A2; the second PCR amplification process is common PCR, and uses the primers B1 and B2, the template is the first PCR process product 1-2ul, and the enzyme is Extaq or common rTaq; and 3) the amplification product is less than 700bp. The invention has the characteristics of high amplification efficiency, low experimental cost, short experimental period, quick and manageable detection and high experimental result stability, can be easily completed in the laboratory, and can be widely used in methylation modification detection of genome specific genes of humans, mammals and plants.
Owner:LIAONING UNIVERSITY
Host scanning method and device, storage medium and electronic equipment
PendingCN112637119ACan't solve the problemImprove scanning efficiencyTransmissionSecurity domainEmbedded system
The invention discloses a host scanning method and device, a storage medium and electronic equipment, and belongs to the technical field of communication. The host scanning method comprises the following steps: a task set server receives a task acquisition request from a scanning host cluster, acquires a corresponding target scanning task from a pre-configured task set according to a security domain identifier, and issues the target scanning task to the scanning host cluster, and a scanning result which is sent by the scanning host cluster and generated by security domain scanning is received; and the scanning host receives a sub-scanning task issued by the task set server, scans the security domain based on the sub-scanning task to obtain a sub-scanning result, and uploads the sub-scanning result to the task set server. Therefore, the task set server allocates the scanning tasks to the scanning hosts in the scanning host cluster by configuring the task set, the scanning efficiency can be improved, and the problem of network obstruction across clouds, machine rooms and the like is solved.
Owner:BEIJING DA MI TECH CO LTD
Method and system for establishing Dynamic Host Configuration Protocol snooping binding table
ActiveCN102739814ASolve traffic problemsCan't solve the problemData switching networksClient-sideIp address
The invention relates to a method and a system for establishing a Dynamic Host Configuration Protocol snooping binding table, and the method and the system are used in a process of migration of a virtual machine across switches, the virtual machine using a Dynamic Host Configuration Protocol (DHCP) mode to obtain IP addresses. The method comprises that after being informed a work process of an original virtual machine being suspended, and before a target virtual machine performing a normal business process, a host to which the original virtual machine immigrates initiates a DHCP protocol interactive process as a DHCP client. In the interactive process, after receiving a DHCP protocol message with the IP address to be distributed to the target virtual machine replied by a DHCP server, the switches belonged to the host establishes the DHCP snooping binding table of the target virtual machine. With the method and the system, the host to which the original virtual machine immigrates can actively initiate the DHCP protocol interactive process, and the switches belonged to the host can spontaneously form the DHCP snooping binding table relating to the target virtual machine.
Owner:ZTE CORP
Diesel engine and seawater pump thereof
InactiveCN102182539ANormal coolingSolve stressMachines/enginesEngine cooling apparatusPore water pressureMechanical engineering
The invention discloses a diesel engine seawater pump which comprises a pump body with a water inlet cavity and a water outlet cavity, and a bypass valve is arranged between the water inlet cavity and the water outlet cavity. A water inlet of the bypass valve is communicated with the water outlet cavity, and a water outlet of the bypass valve is communicated with the water inlet cavity. The bypass valve comprises a valve body, a valve core and a spring, wherein the valve core and the spring are arranged in a cavity of the valve body, the water inlet is located at one end of the valve body, the water outlet is located on the side wall of the valve body, and the valve core shuts off the water inlet of the valve body under the support of the spring. The seawater pump can always supply sufficient cooling water when a diesel engine operates at various rotating speeds, so as to maintain normal water pressure and ensure the normal cooling of the diesel engine. The invention also discloses a diesel engine with the seawater pump.
Owner:WEICHAI POWER CO LTD
Shunting gateway link switching method, device, computer storage medium and apparatus
ActiveCN109120745ACan't solve the problemGuaranteed continuityTransmissionIp addressComputer terminal
The invention provides a shunting gateway link switching method, a shunting gateway link switching device, a computer storage medium and an apparatus. The method includes the following steps that: a non-DNS message from a terminal is received; whether the target IP of the non-DNS message is matched with a current link is judged; if the target IP is not matched with the current link, a redirected IP that is matched with the current link is obtained; and the target IP of the non-DNS message is replaced with the redirected IP, and the non-DNS message is forwarded to a network side on the basis ofthe redirected IP. With the shunting gateway link switching method, the shunting gateway link switching device, the computer storage medium and the apparatus of the invention adopted, the problem ofthe unavailability of terminal service due to the short-term misalignment of an IP address and a new link can be solved; links can be switched without being sensed; and therefore, the continuity of network service access is ensured, and terminal customer switching experience can be improved.
Owner:COMBA TELECOM SYST CHINA LTD
Device for slag-free production using bauxite or red mud
InactiveCN102758045AImprove efficiencyReduce manufacturing costEnergy inputAluminium oxides/hydroxidesZero emissionRotary furnace
The invention discloses a device for a slag-free production using bauxite or red mud, comprising a rotary furnace and a melting furnace, wherein a smoke outlet is formed in the tail of the rotary furnace, and the tail of the melting furnace is communicated with the head of the rotary furnace; a hot molten iron outlet is formed in the lower side of the head of the melting furnace, and an aluminous clinker outlet is formed in the upper side of the head of the melting furnace; and an alkali dissolving tank is arranged below the head of the melting furnace and the aluminous clinker outlet respectively. The device for the slag-free production using bauxite or red mud has the advantages that: the problem that deslagging cannot be implemented by a blast furnace process in the prior art is solved; alkali and sodium salt are obtained in a gravitational dust collection chamber at the bottom of a waste heat boiler so as to greatly improve the efficiency and reduce the production cost; the red mud is recycled to obtain iron, so that the problems of land occupation and environment pollution are solved; aluminium oxide and iron can be separated and extracted from acicular alferric mineral by the method, so that the problem that aluminium oxide and iron cannot be separated and extracted from acicular alferric mineral by a bayer process, a sintering process and a combination process is solved; and the whole production process achieves zero emission of solid, liquid and gas, real low carbon emission, and environment protection.
Owner:胡长春 +1
Rotary retractable claw-type raft frame seedling rope harvesting and transferring device and system
ActiveCN110337896ACan't solve the problemSolve the falling puzzleHarvestersVessel partsEngineeringCam
The invention relates to a rotary retractable claw-type raft frame seedling rope harvesting and transferring device. An output shaft of a rotation driving device is connected with the coaxial end of arotating shaft; a rotation disc is fixed to the other end of the rotating shaft; a plurality of claw bases are uniformly installed on the circumference of the end surface of the rotation disc, and the two ends of each claw base are provided with sliding bearings; a reciprocating mechanism is formed by retractable claws and the sliding bearings in the claw bases; the tail ends of the retractable claws are connected with a swing rod through pin shafts, and the other end of the swing rod is in rolling contact with an end surface cam or groove wheel fixed to a rack through a rolling wheel; the claws are lifted by the cam or groove wheel when stretching out, and when the claws draw back, the rolling wheel of the swing rod tightly fits the lowering edge of the cam or groove wheel under the function of a spring; when the rotation disc rotates, the rolling wheel of the swing rod moves up and down along the cam or groove wheel according to a set stroke profile, the swing rod swings around a support base pin shaft, and the retractable claws are pushed to reciprocate in the axis direction of claw base holes; meanwhile, the retractable claws follow the rotation disc to make circular motion.
Owner:FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI
Full-band high-tone-quality thin loudspeaker with sound beam and sound tunnels
PendingCN111954134APlay the role of gatheringCan't solve the problem,Non-planar diaphragms/conesDiaphragm mounting/tensioningLoudspeakerEngineering
The invention discloses a full-band high-tone-quality thin loudspeaker with a sound beam and sound tunnels. The loudspeaker comprises a voice coil and a vibrating diaphragm; the diaphragm is dish-shaped, the outer edge of the diaphragm is combined with the loudspeaker outer frame, and the inner edge is combined with the upper end of the voice coil; a bridge type sound beam is erected on at least one side surface of the vibrating diaphragm, is annular and is positioned on the outer side of the upper end of the voice coil; the surface of the vibrating diaphragm is provided with at least two grooves, and the grooves are arranged in a radial manner, and equally divide the surface of the vibrating diaphragm at the outer side of the bridge type sound beam into a plurality of resonance regions; each groove transversely penetrates through the bridge type sound beam, and the length direction of the grooves is perpendicular to the bridge type sound beam; and the grooves are concavely arranged onthe surface of the vibrating diaphragm to form sound tunnels. According to the invention, the vibrating diaphragm is changed from the original free vibration mode to the current standard vibration mode, and the problems that the high-pitch area of the loudspeaker cannot be lighted and the low-pitch area is thick and round are solved from the angles of vibration, resonance and sound production. The practice proves that: the improved design scheme has outstanding substantive features and remarkable technical progress, and is suitable for popularization and application. and an obvious technicaleffect is achieved.
Owner:SUZHOU LI YUE MUSICAL INSTR CO LTD
Double-sound-beam liuqin
Owner:SUZHOU LI YUE MUSICAL INSTR CO LTD
Dual-mode communication multifunctional mobile phone back clip
InactiveCN108684081AAdd application methodCan't solve the problemTelephone set constructionsWireless communicationDual modePrivate network
A dual-mode communication multifunctional mobile phone back clip includes a casing, a main board, a battery, and an antenna, and is characterized in that: a dual-mode communication module is further included, the dual-mode communication module includes a system-on-chip chip, and the system-on-chip chip includes a CPU inner core, a GPU inner core, a DSP inner core, and an algorithm accelerator inner core. The functions of the private network LTE and the ad hoc network are integrated into the system-on-chip chip, wherein the functions of the private network LTE are deployed in the CPU inner coreand the algorithm accelerator inner core, and the functions of the ad hoc network are deployed in the CPU inner core and the DSP inner core. The dual-mode communication multifunctional mobile phone back clip realizes dual-mode communication in the form of back clips, so that the mobile phone back clip can realize the functions of the private network LTE and the ad hoc network without greatly increasing the volume power consumption, and greatly expands the application mode of the daily universal mobile phone under special conditions.
Owner:湖南智领通信科技有限公司
Frame type bank revetment protection slope prefabricated block body and using method thereof
PendingCN111074847AReduce weightWon't be lostCoastlines protectionReceptacle cultivationArchitectural engineeringBank
The invention discloses a frame type bank revetment protection slope prefabricated block body and a using method thereof. The block body is of a frame-shaped structure composed of a face plate, a backplate, a first outer frame and a second outer frame, wherein the first outer frame and the second outer frame are arranged on the two sides of the block body, a plurality of inner frames are arrangedbetween the face plate and the back plate at equal intervals, and holes penetrate through the first outer frame, the second outer frame and the inner frames; the face plate is provided with a plurality of layers of hollowed-out groups, wherein each hollowed-out group comprises a plurality of communication holes, and each communication hole is in the shape of one of a Z shape formed by four identical square holes, a mirror image Z shape and a pattern formed after the Z shape rotates by 0-180 degrees, and the side length of each square hole is not greater than the diameter of gravels filling the interior of the block body; a plurality of block bodies are sequentially connected together to form an assembly body; and a revetment is constructed by a plurality of layers of assembling bodies arranged up and down. According to the frame type bank revetment protection slope prefabricated block body and using method thereof, basic functions of soil retaining and water and soil conservation areachieved, and the problem that a riverway does not communicate with an underground water way due to a soil retaining wall can be solved.
Owner:CCCC FIRST HARBOR ENG
Pressing device of dynamic biomass granulator
The invention discloses a pressing device of a dynamic biomass granulator. The pressing device of the dynamic biomass granulator is composed of a pressure displayer, a height adjustment device, a support, a pressure measurement device, a pressing assembly and a gradienter. The pressing assembly is composed of a pressing wheel, a roller shaft, a roller base and a pressing wheel locking nut. One end of the roller shaft is mounted in a center hole of the roller base through a bearing, and the pressing wheel is arranged at the other end of the roller shaft. The pressing wheel is fixed to the roller shaft through the pressing wheel lock nut. The roller base is fixed above the support. The height adjustment device and the pressure measurement device are arranged between the upper surface of the support and the lower surface of the roller base. The gradienter is arranged right in the center of the top of the roller base. The pressure displayer is electrically connected with the pressure measurement device. The pressing device of the dynamic biomass granulator can solve the problems that due to improper adjustment of pressing force, discharging cannot be achieved, energy consumption is increased, a template is sharply abraded, the service life of the bearing is short and the pressing wheel is prone to breakage, and can also solve the problem that due to the fact that the pressing force is unbalanced, fatigue overloads and breakage of the main shaft are caused.
Owner:ZHANGJIAGANG LUMING BIOMASS ENERGY EQUIP
Network condition self-adaptive monitoring method for electric hanging basket data acquisition system
ActiveCN110311807ADetection speedCan't solve the problemData switching networksSelf adaptiveData acquisition
The invention discloses a network condition self-adaptive monitoring method for an electric hanging basket data acquisition system, which comprises the following steps of: 1, creating a file for marking that a network is not initialized, and prompting that an external program network link is not initialized; step 2, running a network dialing program, and initializing a network; step 3, monitoringthe abnormal state of the network; step 4, deleting files used for marking network condition abnormity and marking network non-initialization; and step 5, carrying out real-time network state testing:step 6, creating a file for marking network condition abnormity, closing the dialing program, restarting the dialing program, and entering the step 3 to continuously monitor the network state. According to the method, the network state is detected through the system command of the embedded Linux system, and when a fault is found, the network dialing program is restarted to recover the network. Ifthe network is disconnected for a long time, the abnormal state of the network can be reported, so that the network program can timely process the abnormal state of the network.
Owner:SOUTHEAST UNIV
Double-sound-beam violin without sound post
A double-sound-beam violin without a sound post comprises a resonance box which is formed by splicing a panel, a bottom plate and side plates, and is characterized in that two upper sound beams are fixedly arranged on the inner wall of the panel in parallel; two lower sound beams are fixedly arranged on the inner wall of the bottom plate in parallel; an upper cross-shaped groove is formed in the inner wall of the panel, and the upper cross-shaped groove forms an upper cross-shaped sound tunnel on the inner wall of the panel; a lower cross-shaped groove is formed in the inner wall of the bottomplate, and the lower cross-shaped groove forms a lower cross-shaped sound tunnel on the inner wall of the bottom plate. According to the double-sound-beam violin, the constraint of the traditional bass beam and column loudspeaker design in the violin resonator in the past is broken through, the column loudspeaker in the violin resonator is canceled, a new improved design scheme is boldly proposed, and the problems that the high-pitch area of the violin cannot be lighted and the bass area is thick and round enough are solved; therefore, the existing violin resonator can have good timbre in high, middle and low pitch areas.
Owner:SUZHOU LI YUE MUSICAL INSTR CO LTD
Double-sound-beam gamma instrument
A double-sound-beam gamma instrument comprises a resonance box, a box body of the resonance box is formed by splicing a panel, a bottom plate and side plates, a resonance cavity is arranged in the boxbody, and the double-sound-beam gamma instrument is characterized in that two upper sound beams are fixedly arranged on the inner wall of the panel in parallel; two lower sound beams are fixedly arranged on the inner wall of the bottom plate in parallel; an upper groove shaped like a Chinese character 'feng' is formed in the inner wall of the panel to form an upper sound tunnel shaped like a Chinese character 'feng'; a lower groove shaped like a Chinese character 'feng' is formed in the inner wall of the bottom plate to form a lower sound tunnel shaped like a Chinese character 'feng'; a transverse sound beam is transversely arranged in the resonance cavity, and the transverse sound beam is arranged at the groove body positions of the left half portion and the right half portion of the groove shaped like the Chinese character 'feng'. According to the double-sound-beam gamma instrument, the constraint of the traditional design of the internal structure of the conventional gamma instrument resonator is broken through, a new improved design scheme is boldly provided, and the problems of poor timbre, low volume and low piano sound penetrating power of a high-pitch area, a middle-pitcharea and a low-pitch area during the playing of the conventional gamma instrument are solved.
Owner:SUZHOU LI YUE MUSICAL INSTR CO LTD
Closed-loop voice coil motor based on capacitance ranging principle and driving method thereof
PendingCN114531005ACan't solve the problemSolve the problem of limited thrustMountingsPropulsion systemsPhysicsCapacitance
The invention relates to a closed-loop voice coil motor based on a capacitance ranging principle and a driving method thereof.The closed-loop voice coil motor comprises a protective shell, a base, a lens carrier, an elastic piece assembly, a driving assembly, a metal material belt set and a closed-loop control assembly, the driving assembly comprises a coil and a magnet, and the elastic piece assembly comprises an upper elastic piece and a lower elastic piece; the technical key points are that the closed-loop control assembly comprises a detection metal terminal I arranged on the lower elastic sheet and a detection metal terminal II corresponding to the detection metal terminal I. The detection metal terminal II is fixed on an independent metal material belt I in the metal material belt group. The detection metal terminal I and the detection metal terminal II are arranged at intervals along the optical axis direction of the lens and have projection overlapping surfaces. According to the invention, the problem that the thrust of a carrier is restricted due to the adoption of a matching structure of a Hall sensing element, a magnet and a coil in the existing voice coil motor is solved, the internal space is saved, and compared with the existing voice coil motor, the thrust is increased under the same volume, and the focusing and focusing compensation effects are enhanced at the same time.
Owner:辽宁中蓝光电科技有限公司
Double-sound-beam lute
A double-sound-beam lute comprises a resonance box, a box body of the resonance box is formed by splicing a panel and a bottom plate, and the double-sound-beam lute is characterized in that two uppersound beams are fixedly arranged on the inner wall of the panel in parallel; a transverse groove and a longitudinal groove are arranged on the inner wall of the panel, wherein the transverse groove and the longitudinal groove are communicated with each other to form a transverse sound tunnel and a longitudinal sound tunnel; a transverse sound beam is fixedly arranged between the panel and the bottom plate, and the transverse sound beam and the two upper sound beams are combined to divide a space corresponding to the inner wall of the panel into six resonance areas. The double-sound-beam lute breaks through the constraint of the traditional design of the internal structure of the traditional Chinese lute resonator, boldly proposes a new improved design scheme, solves the problem that the traditional Chinese lute cannot simultaneously have good resonance timbre and penetrating power in high, medium and low pitch areas, greatly enhances the penetrating power (low attenuation and long transmission) of the Chinese lute sound, and has a bright and rigid high pitch area and a good sound effect. And the alto area is soft and moist, and the bass area is more mellow in tone quality.
Owner:SUZHOU LI YUE MUSICAL INSTR CO LTD
A method and apparatus for route calculation
ActiveCN109005121ACan't solve the problemOptimizing route calculation resultsData switching networksRouting tableTelecommunications
The invention provides a method and apparatus for route calculation, which can enable a first routing device to receive an LSP sent by a second routing device, and the second routing device and the first routing device are IS-IS neighbors; if it is determined that the routing information carried by the LSP is a filter route, a filter mark is added to the routing information; the local routing table entries are updated according to the routing information with no filter identifier added locally; the LSP is then broadcast so that the IS-IS neighbor routing device updates its own routing table entry according to the routing information carried by the LSP so that other routing devices also filter the routing information. Therefore, the present disclosure can solve the problem of traffic impassability caused by routing calculation of the filtered routing information, and optimizes the routing calculation result.
Owner:XINHUASAN INFORMATION TECH CO LTD
A self-adaptive monitoring method for network status of electric hanging basket data acquisition system
Owner:SOUTHEAST UNIV
Distribution gateway link switching method, device, computer storage medium and equipment
Owner:COMBA TELECOM SYST CHINA LTD
A compacting device of a dynamic mode biomass pellet machine
Owner:ZHANGJIAGANG LUMING BIOMASS ENERGY EQUIP
Expansion processing method under international telecommunication union telecommunication standardization sector (ITU-T) G.8032/Y.1344 multi-point fault
ActiveCN102510353BAvoid issues with incorrect transfers between ring nodesImprove reliabilityData switching networksRing networkEngineering
The invention discloses an extended processing method under ITU-T G.8032 / Y.1344 multi-point fault, the main content of the method is: define a protocol extension frame with a specific target address, and ensure that the frame is blocked at the ring port It can also be forwarded to the CPU port; the ring network node sends the protocol frame, and at the same time sends the extended frame and sets the initial value of the forwarding hop; For an extended frame exceeding the forwarding hop count threshold, the forwarding hop count in the extended frame is incremented or decremented, and then forwarded through another ring port, and then the extended frame is processed according to the process defined by the protocol. The present invention completely solves the problem that the recovery of multiple breakpoints in ITU-T G.8032 / Y.1344 may lead to loop failure under the premise of no modification to the protocol state machine and no influence on the convergence speed of the ring network. Applications requiring high reliability such as data communication in harsh industrial environments.
Owner:BEIJING INHAND NETWORKS TECH
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