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39results about How to "Increase the level of modularity" patented technology
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Vacuum load switch and combined electrical equipment
ActiveCN101000836AAvoid pollutionSmall form factorHigh-tension/heavy-dress switchesAir-break switchesEngineeringHigh pressure
A vacuum load switch is prepared as series-connecting isolation blade switch to vacuum arc distinguishing chamber, drive-connecting insulation drawing rod of isolation blade switch and insulation drawing rod of arc distinguishing chamber to operation mechanism, firm-sealing isolation blade seat and vacuum arc distinguishing chamber as well as bottom wire outgoing seat together, series-connecting fuse between bottom wire outgoing seat and cable outgoing plate.
Owner:江苏德春电力科技股份有限公司
Underwater large-field-of-view continuous zooming optical system
ActiveCN110109237AImprove image qualityRealize continuous zoom functionOptical elementsOptical axisOptoelectronics
The invention provides an underwater large-field-of-view continuous zooming optical system, thereby solving problems of small field of view angle, small zoom ratio, small system size, and complicatedsystem structure of the existing underwater continuous zooming optical systems. The provided underwater large-field-of-view continuous zooming optical system comprises a window, a front fixed mirror group, a zooming mirror group, a diaphragm, an intermediate fixed mirror group, a compensation mirror group, an aberration stabilizing mirror group, a rear fixed mirror group, and a filter that are arranged successively and coaxially in an optical axis direction. The front fixed mirror group includes a first glue mirror group having the positive focal power and a second positive lens. The zooming mirror group includes a second negative lens and a second glue lens group having the negative focal power. The intermediate fixed lens group includes a fourth positive lens group a third glue lens group having the positive focal power. The compensation mirror group includes a fifth negative lens and a sixth negative lens. The aberration stabilizing mirror group includes a sixth positive lens. And the rear fixed mirror group includes a seventh positive lens, a seventh negative lens, and an eighth positive lens. The zooming mirror group, the compensation mirror group, and the aberration stabilizing mirror group can move linearly back and forth in an optical axis direction.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
DC input low voltage DC output self excitation auxiliary power supply circuit of DC/DC topology
InactiveCN106533160ASatisfies wide-range input self-excited start-up requirementsAchieving Wide Range Input Self-Excited Startup RequirementsApparatus without intermediate ac conversionLow voltageHigh-voltage direct current
The invention provides a DC input low voltage DC output self excitation auxiliary power supply circuit of the DC / DC topology. The power supply circuit comprises an auxiliary power supply main circuit and an auxiliary power supply control circuit, wherein the auxiliary power supply main circuit comprises a start circuit, a front-stage buck converter and a back-stage converter which are sequentially electrically connected, a high voltage dc voltage input start circuit through the front-stage buck converter and the back-stage converter outputs a low voltage dc voltage, the back-stage converter comprises a small-power power supply module and a large-power power supply module which are respectively connected in parallel with an output end of the front-stage buck converter, an output voltage of the small-power power supply module is a control power supply of the auxiliary power supply control circuit, and an output voltage of the large-power power supply module is taken as auxiliary power supply output. The power supply circuit is advantaged in that middle and high voltage high-capacity electric power electronic system control or driving circuit auxiliary power supply can be realized.
Owner:NAVAL UNIV OF ENG PLA
Vacuum loading switch
ActiveCN101030500AAvoid pollutionSmall form factorHigh-tension/heavy-dress switchesAir-break switchesEngineeringSwitchgear
The invention is concerned with a kind of vacuum load switch for high voltage fixed type switchboard, relating to upside wire of switch, insulated switch, insulated knife frame, vacuum interrupter, downside move contactor, downside wire frame, united terminal, cable leading line plank, insulated knife insulated perch assemblage, interrupter insulated perch assemblage, operation frame and grounding equipment. The insulated switch connects with vacuum interrupter, the insulated knife insulated perch assemblage and interrupter insulated perch assemblage connect with operation frame, and the insulated knife frame, vacuum interrupter and downside wire frame are closed together. The hinge end of insulated switch has contact spring that connects with insulated switch and insulated knife frame. The move end of vacuum interrupter has contact spring that connects with downside move contactor and downside wire frame. This invention has large insulated strength and modularization level, and the simple using is fit for production on scaled.
Owner:江苏德春电力科技股份有限公司
Non-tray case type cassette optical disk box and automated driving device thereof
ActiveCN103811035ASave space utilizationImprove space utilizationMagazine/cassette containersRecord information storageOptical disk storageEngineering
The invention discloses a non-tray case type cassette optical disk box and an automated driving device thereof. The optical disk box comprises an inner box, an upper cover and a lower cover, the inner wall of the inner box is smooth, the upper cover and the lower cover are fixed together to form an optical disk box shell, projecting inner box sliding strips are arranged on two side walls of the inner box, recessed optical disk box shell inner grooves are formed in two sides of the inner wall of the optical disk box shell and jogged with the inner box sliding strips, the inner box can be smoothly drawn in the optical disk box shell, and the automated driving device is developed for the optical disk box. The optical disk box is high in storage density and convenient in optical disk storage and exchange, one optical disk can be optionally taken out of the optical disk box and placed into a standard optical disk driver for read-write operation, and the optical disk in the optical disk driver can be automatically placed back into the optical disk box, so that a core technical base is provided for forming modular optical disk libraries and off-line libraries with various sizes.
Owner:SUZHOU NETZON INFORMATION STORAGE TECH
Wireless communication integrated system and realization method thereof
ActiveCN106533457AImprove work efficiencySimple compositionTransmissionWireless communicationRadio frequencySystem structure
The invention discloses a realization method for a wireless communication integrated system. The method comprises a task management layer, a function software layer and a physical resource layer. The task management layer is used for finishing task mode management of the system, generating task templates and issuing the task templates to the function software layer and the physical resource layer, thereby realizing software call and physical resource management. The function software layer is used for managing different function software and components preset in the system, calling the corresponding components for loading the function software according to the task templates issued by the task management layer and operating the function software in different hardware environments. The physical resource layer is used for providing physical hardware resources for realization of the system, associating different function software with physical resources according to the task templates issued by the task management layer and providing a physical platform for operation of the function software layer. According to the system, a layered system structure is employed, and the capabilities of hardware platform generalization from radio frequency processing to baseband processing, software parameter reconfiguration and system function reconfiguration can be realized.
Owner:CHINA ACAD OF LAUNCH VEHICLE TECH
Compact continuous zooming optical system
The invention belongs to the photoelectric technical field, relates to a photographic object lens optical system, and specifically relates to a compact continuous zooming optical system. The optical system comprises a front fixed lens group, a zooming lens group, a compensation lens group, a diaphragm and a rear fixed lens group which are coaxially disposed in turn from an object plane to a focal plane. In the full zooming section range, the optical system can achieve high-definition imaging and a continuous zooming function for more than 20 times. All focal-length center view fields and edge view fields have good imaging quality in a continuous change process of a focal length. A zooming core composed of the zooming lens group and the compensation lens group moves continuously according to a movement rule given in design, and always moves back and forth on the optical axis during internal zooming; the aperture F number is constant while zooming, the total length is fixed, and the mass center has a small change; and the system is small in size, and the structure is compact.
Owner:西安中科飞图光电科技有限公司
Solid-sealed polar pole
ActiveCN112185752AImprove impactImprove the effect of partial dischargeHigh-tension/heavy-dress switchesAir-break switchesCurrent transducerSignal on
The present invention discloses a solid-sealed polar pole. The solid-sealed polar pole comprises a shell, a vacuum arc-extinguishing chamber, an outgoing line conducting rod, a current sensor / currenttransformer, a first voltage sensor, a second voltage sensor, an insulating pull rod assembly, an electric connection assembly and a shielding assembly, the current sensor / current transformer is coaxial with the outgoing line conducting rod so as to monitor a current signal; the first voltage sensor and the second voltage sensor are respectively arranged at the movable end and the static end of the vacuum arc-extinguishing chamber and are used for monitoring voltage signals on two sides of a fracture of the vacuum arc-extinguishing chamber; and the shielding assembly is arranged on the periphery of the vacuum arc-extinguishing chamber and / or the wire outlet conducting rod so as to shield signal interference on the first voltage sensor, the second voltage sensor and / or the current sensor / current transformer. By arranging the shielding assembly, the influence of the current sensor / current transformer on the electric field of the conductive part at the upper part of the insulating pull rod is reduced, the influence of the large electric field of the voltage sensor in the opening state of the vacuum arc-extinguishing chamber on the partial discharge of the solid-sealed polar pole is also reduced, and the insulating strength is improved.
Owner:XUJI GRP +2
Continuous zooming optical system with heat elimination and wide pressure adaptability
The invention provides a continuous zooming optical system with heat elimination and wide pressure adaptability, and solves the problem that an existing optical system cannot realize passive compensation of temperature and air pressure changes at the same time. The system comprises a front fixed lens group, a zoom lens group, a diaphragm, a middle fixed lens group, a compensation lens group, a rear fixed lens group and an optical filter which are sequentially and coaxially arranged along the light propagation direction; the front fixed lens group comprises a first positive lens, a first negative lens, a second positive lens, a third positive lens, a second negative lens and a fourth positive lens which are sequentially arranged; the zoom lens group comprises a first glued lens group with negative focal power and a fourth negative lens which are arranged in sequence; the middle fixed lens group comprises a sixth positive lens, a seventh positive lens and a fifth negative lens which arearranged in sequence; the compensation lens group comprises a second glued lens group with negative focal power; the rear fixed lens group comprises a seventh negative lens and a ninth positive lens which are sequentially arranged from left to right; and the zoom lens group and the compensation lens group can synchronously move back and forth along the optical axis direction to realize continuouszooming.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
Clock recovery circuit and receiving chip
ActiveCN113162643AAvoid the risk of losing the lockIncrease the level of modularityEnergy efficient computingSynchronising arrangementPhase detectorControl signal
The invention discloses a clock recovery circuit and a receiving chip. A first phase shifter performs phase shifting on a reference sampling clock so as to output n data sampling clocks and n phase sampling clocks; a sampling circuit samples data signals to output n data sampling signals and n phase sampling signals; a phase discriminator compares the n data sampling signals with the n phase sampling signals, and generates n decision signals according to comparison results; a charge pump integrates the n decision signals to output an adjustment level; a counting circuit is used for counting according to the adjusting level and converting a counting result into a selection signal and an interpolation control signal; an interpolation circuit selects two reference clocks from the n data sampling clocks and the n phase sampling clocks according to the selection signal, and performs phase interpolation on the two reference clocks according to the interpolation control signal to obtain an updated reference sampling clock so as to trigger the first phase shifter to work; therefore, the design difficulty is reduced, and the risk of circuit lock loss is avoided.
Owner:SHENZHEN STATE MICROELECTRONICS CO LTD
Projection objective lens and exposure system
ActiveCN111142337AImprove compatibilityLarge diameterPhotomechanical exposure apparatusMicrolithography exposure apparatusOphthalmologyOptical axis
The invention discloses a projection objective lens and an exposure system. The projection objective lens comprises a first lens group with positive focal power, a second lens group with negative focal power, a third lens group with positive focal power, an aperture diaphragm, a fourth lens group with positive focal power, a fifth lens group with negative focal power and a sixth lens group with positive focal power which are sequentially arranged from object plane along optical axis, wherein the first lens group and the sixth lens group are symmetrical based on the aperture diaphragm, the second lens group and the fifth lens group are symmetrical based on the aperture diaphragm, the third lens group and the fourth lens group are symmetrical based on the aperture diaphragm, and the following relational expressions are satisfied that f1 / f2 is more than -0.7 and less than -0.3, f2 / f3 is more than -1.1 and less than -0.6, f5 / f4 is more than -1.1 and less than -0.6, f6 / f5 is more than -0.7and less than -0.3, wherein f1, f2, f3, f4, f5, and f6 are the focal lengths of the first lens group, the second lens group, the third lens group, the fourth lens group, the fifth lens group, and thesixth lens group respectively. According to the technical scheme provided by the embodiment of the invention, the compatibility of the projection objective lens is improved, and the modularization level of an exposure system is improved.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD
Cell lamination, lithium air secondary battery unit and assembly method thereof
ActiveCN105514530AImprove reliabilityImprove structural stabilityFuel and primary cellsHybrid cell detailsElectrical batteryLithium metal
The invention discloses a cell lamination, a lithium air secondary battery unit and an assembly method thereof and belongs to the technical field of batteries. The cell lamination comprises an upper sealing gasket, an upper air anode, an upper membrane, a lithium metal electrode, a lower membrane, a lower air anode, a lower sealing gasket and a cathode lug. The lithium air secondary battery unit is realized on the basis of the cell lamination. With the assembly method, the lithium air secondary battery unit can be assembled. The lithium air secondary battery unit can charge and discharge normally, and the capacity of the lithium air secondary battery unit is far larger than that of a conventional button cell and a Swaglok type battery.
Owner:CHINA AUTOMOTIVE BATTERY RES INST CO LTD
Solid-sealed polar pole for primary and secondary deep fusion
ActiveCN111986953ARealize monitoringRealize the loopNuclear energy generationHigh-tension/heavy-dress switchesCapacitanceElectrical connection
The invention discloses a solid-sealed polar pole for primary and secondary deep fusion, which comprises an insulating shell, and is characterized in that the insulating shell is internally provided with a vacuum arc-extinguishing chamber, an electricity taking device, a current detection device, a first voltage sensor, a second voltage sensor, a metal shielding net, a first conductive insert, a second conductive insert, a third conductive insert and a fourth conductive insert; the insulating shell is provided with an inlet wire electric connecting piece and an outlet wire electric connectingpiece. According to the invention, the power taking device, the current sensor and the voltage sensor can be integrated in the pole; a capacitor electricity taking function can be achieved, the current condition can be monitored in real time, the two voltage sensors poured in the pole can monitor the voltage on the two sides of the fracture of the vacuum arc-extinguishing chamber, monitored voltage and current signals can be used for estimating the equipment state and supporting feeder automation, and the purpose that primary equipment and secondary equipment are deeply fused in one step is achieved.
Owner:XUJI GRP +1
Coloring language machine code generation method and device of abstract target code architecture
ActiveCN111091612AIncrease the level of modularityReduce difficultyEnergy efficient computing3D-image renderingPattern matchingObject code
The invention discloses a coloring language machine code generation method and device of an abstract target code architecture. The method comprises the steps of defining a set of universal shader abstract target instruction according to a specific type of a GPU shader; converting the intermediate representation code of the coloring language program into an abstract target instruction; designing aninstruction mapping table according to a mapping relationship between the abstract target instruction and an actual GPU target machine instruction; and performing mode matching on the abstract targetinstruction and the instruction mapping table, and converting the abstract target instruction into a target machine instruction executable by a GPU shader. The abstract target code introduced by themethod can decouple the generation part of the compiler rear-end target code from the specific GPU shader machine code, the modularization level of a coloring language compiler rear-end program can begreatly improved, and the difficulty of compiler rear-end development is reduced.
Owner:武汉凌久微电子有限公司
A vehicle radio system based on software radio and its implementation method
ActiveCN106656218BGood continuity and inheritanceGood flexibilityTransmissionEmbedded systemIn vehicle
The invention provides a vehicle station system based on software radio and an implementation method thereof. Object-oriented system design and analysis method is adopted, a vehicle station system structure based on software radio is designed and implemented, the system structure can ensure the transportability and configurability of software and hardware, but new and old systems have good continuity and succession, and the products can connect, communicate and operate each other.
Owner:GUANGZHOU HAIGE COMM GRP INC
Cell stack, lithium-air secondary battery unit and assembly method thereof
ActiveCN105514530BImprove reliabilityImprove structural stabilityFuel and primary cellsHybrid cell detailsLithium metalEngineering
The invention discloses a cell lamination, a lithium air secondary battery unit and an assembly method thereof and belongs to the technical field of batteries. The cell lamination comprises an upper sealing gasket, an upper air anode, an upper membrane, a lithium metal electrode, a lower membrane, a lower air anode, a lower sealing gasket and a cathode lug. The lithium air secondary battery unit is realized on the basis of the cell lamination. With the assembly method, the lithium air secondary battery unit can be assembled. The lithium air secondary battery unit can charge and discharge normally, and the capacity of the lithium air secondary battery unit is far larger than that of a conventional button cell and a Swaglok type battery.
Owner:CHINA AUTOMOTIVE BATTERY RES INST CO LTD
A continuous zoom optical system with fast image motion compensation capability
ActiveCN111897114BImprove image qualityRealize fast image motion compensation functionOptical elementsOphthalmologyOptical axis
The present invention provides a continuous zoom optical system capable of fast image motion compensation, which solves the problems in the prior art that the resolution of the imaging system is low, it is difficult to take into account the search functions of large and small fields of view, and it is impossible to realize effective compensation for high-speed image motion. The system includes a front fixed mirror group, a variable power mirror group, a compensation mirror group, a diaphragm, a fifth negative lens, a first folding mirror, a relay mirror group, and a second folding mirror arranged in sequence from the object plane to the focal plane. , rear fixed lens group and filter; the front fixed lens group includes the first negative lens, the first positive lens and the second positive lens; the zoom lens group includes the second negative lens and the first cemented lens group; the compensation lens group includes The fourth positive lens, the second cemented lens group and the sixth positive lens; the relay lens group includes the sixth negative lens, the seventh positive lens, the seventh negative lens, the eighth positive lens and the third cemented lens group; the rear fixed mirror The group includes the ninth negative lens and the tenth positive lens; the zoom lens group and the compensation lens group can move linearly back and forth along the optical axis to realize continuous zooming.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
Clock recovery circuit and receiver chip
ActiveCN113162643BAvoid the risk of losing the lockIncrease the level of modularityEnergy efficient computingSynchronising arrangementPhase detectorControl signal
A clock recovery circuit and a receiving chip, the reference sampling clock is phase-shifted by a first phase shifter to output n data sampling clocks and n phase sampling clocks; the sampling circuit samples data signals to output n data sampling signals and n phase sampling signals; the phase detector compares the n data sampling signals and n phase sampling signals respectively, and generates n judgment signals according to the comparison results; the charge pump integrates the n judgment signals to output adjustment level; the counting circuit counts according to the adjustment level, and converts the counting result into a selection signal and an interpolation control signal; the interpolation circuit selects two reference clocks from n data sampling clocks and n phase sampling clocks according to the selection signal, and Phase interpolation is performed on the two reference clocks according to the interpolation control signal to obtain an updated reference sampling clock to trigger the operation of the first phase shifter; therefore, the design difficulty is reduced and the risk of circuit loss is avoided.
Owner:SHENZHEN STATE MICROELECTRONICS CO LTD
Vacuum loading switch
ActiveCN100536053CAvoid pollutionSmall form factorHigh-tension/heavy-dress switchesAir-break switchesBusbarEngineering
The invention discloses a vacuum load switch for a high-voltage fixed switchgear, which includes an upper outgoing line of a knife switch, an isolation knife switch, an isolation knife seat, a vacuum interrupter, a lower moving contact, a lower outlet seat, and a connecting busbar , cable outlet plate, isolation knife insulation pull rod assembly, arc extinguishing chamber insulation pull rod assembly, operating mechanism and grounding device, isolation knife switch is connected in series with vacuum interrupter, isolation knife insulation pull rod assembly and arc extinguishing chamber insulation pull rod assembly are all connected with the operating mechanism Transmission connection, isolation knife seat, vacuum interrupter and lower outlet seat are solidly sealed together, the hinge end of the isolation knife switch is provided with a second contact finger spring, and the second contact finger spring is in contact with the isolation knife switch and the isolation knife seat respectively , There is a first contact finger spring at the moving end of the vacuum interrupter, and the first contact finger spring is respectively in contact with the lower moving contact and the lower outlet seat. The invention has high insulation strength, meets environmental protection requirements, is convenient to assemble and use, has high modularization level, and is suitable for standardized and large-scale production.
Owner:江苏德春电力科技股份有限公司
A detection air duct of indoor air environment monitoring equipment
ActiveCN105806417BRealize detectionAvoid mutual interferenceMeasurement apparatus componentsEngineeringMonitor equipment
The invention relates to a detection air duct of indoor air environment monitoring equipment.The vertically-extending detection air duct is arranged in a shell of the indoor air environment monitoring equipment.An air inlet is formed in the lower end of the detection air duct, and an air outlet is formed in the upper end of the detection air duct.A fan for providing power for detection airflow flowing from bottom to top is installed in the detection air duct.A sensor set for detecting detection airflow is also arranged in the detection air duct.According to the arrangement, the sensor set composed of six sensors comprising a temperature and humidity sensor, a CO sensor, a CO2 sensor, a formaldehyde sensor, a PM2.5 sensor and the like is installed in the detection air duct in an integration mode, detection of the sensors is not affected, and comprehensive detection of indoor airflow is achieved; meanwhile, the detection air duct is simple in structure, remarkable in effect and suitable for being used and popularized.
Owner:中科同德(北京)生态科技有限公司
Experimental device for coordinating building spaces and sizes of built-in components
ActiveCN111047964AImprove standardizationImprove manufacturing standardizationEducational modelsStructural engineeringMechanical engineering
The invention relates to an experimental device for coordinating building spaces and sizes of built-in components, the experimental device is a space body defined by a top plate, a side coaming and abottom plate, intersected rails are arranged on the bottom plate, and sliding rails corresponding to the rails on the bottom plate are arranged on the top plate; the side coaming is defined by a firstside coaming, a second side coaming, a third side coaming and a fourth side coaming which abut against one another in sequence, the first side coaming and the second side coaming are fixedly connected with the bottom plate and the top plate, and the third side coaming and the fourth side coaming are connected with the bottom plate and the top plate in a sliding mode. The third side coaming and the fourth side coaming are each composed of a plurality of side coaming units which are vertically arranged side by side, and matching pieces which are matched with each other to enable the adjacent side coaming units to be fixed with each other are arranged between the adjacent side coaming units. The device is used for testing the mutual coordination size relation between the sizes of all functional spaces of the residence and the specifications of the built-in components, and data support is provided for forming a universal size series of the built-in components of the residence in China.
Owner:BEIJING UNIV OF TECH
An underwater large field of view continuous zoom optical system
ActiveCN110109237BImprove image qualityRealize continuous zoom functionOptical elementsOptical axisOptic system
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
A Transmission Line Isolated Linear Transformer Driving Source
ActiveCN110212755BImprove breakdown performanceImprove maintainabilityApparatus without intermediate ac conversionCapacitanceTransformer
The invention relates to a transmission line isolation type linear transformer drive source. The drive source comprises a switched capacitor primary energy module, an isolated transmission line and an induced voltage superposition module; the switched capacitor primary energy module comprises M-level primary energy boxes arranged in parallel, each level of primary energy N switch capacitor modules are connected in parallel in the box; all high-voltage gas switches in the N switch capacitor modules are triggered in parallel by one trigger signal synchronously; the induced voltage superposition module includes an M-level annular induction cavity, and the M-level annular induction cavity is arranged in series; each There are magnetic cores and N radial transmission lines evenly distributed along the circumference in the ring-shaped induction cavity; the invention solves the problem that the switch is placed in the existing LTD technology by isolating the switched capacitor primary energy module and the induced voltage superposition module. The problem of reduced breakdown performance and high maintenance work caused in the induction cavity also solves the problem of the inability to achieve voltage superposition in Thor-type devices.
Owner:NAT INNOVATION INST OF DEFENSE TECH PLA ACAD OF MILITARY SCI
A kind of projection objective lens and exposure system
ActiveCN111142337BImprove compatibilityLarge diameterPhotomechanical exposure apparatusMicrolithography exposure apparatusOphthalmologyOptical axis
The invention discloses a projection objective lens and an exposure system. The projection objective lens comprises a first lens group with positive focal power, a second lens group with negative focal power, a third lens group with positive focal power, an aperture diaphragm, a fourth lens group with positive focal power, a fifth lens group with negative focal power and a sixth lens group with positive focal power which are sequentially arranged from object plane along optical axis, wherein the first lens group and the sixth lens group are symmetrical based on the aperture diaphragm, the second lens group and the fifth lens group are symmetrical based on the aperture diaphragm, the third lens group and the fourth lens group are symmetrical based on the aperture diaphragm, and the following relational expressions are satisfied that f1 / f2 is more than -0.7 and less than -0.3, f2 / f3 is more than -1.1 and less than -0.6, f5 / f4 is more than -1.1 and less than -0.6, f6 / f5 is more than -0.7and less than -0.3, wherein f1, f2, f3, f4, f5, and f6 are the focal lengths of the first lens group, the second lens group, the third lens group, the fourth lens group, the fifth lens group, and thesixth lens group respectively. According to the technical scheme provided by the embodiment of the invention, the compatibility of the projection objective lens is improved, and the modularization level of an exposure system is improved.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD
Vacuum load switch
ActiveCN100527305CAvoid pollutionSmall form factorHigh-tension/heavy-dress switchesAir-break switchesLightning strikeOvercurrent
Owner:江苏德春电力科技股份有限公司
Integrated power system with steering function, power assembly and vehicle
ActiveCN112977609ASave chassis spaceIncrease the level of modularityElectric propulsion mountingElectrical steeringSprung massElectric machinery
The invention provides an integrated power system with the steering function, a power assembly and a vehicle. The power system comprises a frame, a power assembly, a wheel assembly and a retainer. The power assembly is respectively connected with the frame and the retainer and provides power for the action of the wheel assembly; the wheel assembly is connected with the retainer; wherein the power assembly realizes the steering adjustment of the wheel assembly by adjusting the orientation of the retainer. According to the integrated power system with the steering function, the power assembly and the vehicle, the hub motor and the suspension system are integrated, the mass of the hub motor and the suspension system is completely converted into sprung mass, the unsprung mass brought by the motor and a transmission system is effectively reduced, the chassis space is saved. Meanwhile, driving, braking and steering are combined into a whole, and the power system is convenient to use. The modular level of the chassis walking system can be effectively improved, the chassis space is saved, and the chassis walking system has great advantages when being applied to buses and logistics vehicles with low chassis height requirements.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
An experimental device for size coordination between architectural space and interior parts
ActiveCN111047964BImprove standardizationImprove manufacturing standardizationEducational modelsArchitectural engineeringStructural engineering
Owner:BEIJING UNIV OF TECH
Modular structure of open-frame gasifier system
PendingCN112253996ALess investmentImprove functionalityVessel mounting detailsContainer filling methodsThermodynamicsEngineering
The invention provides a modular structure of an open-frame gasifier system. The modular structure is provided with a heat exchange plate module and a seawater pipeline adjustment platform module; theheat exchange plate module is provided with a steel structure frame body; the interior of the steel structure frame body is divided into a plurality of heat exchange spaces by a steel structure retaining wall; the bottom end of each heat exchange space is provided with an LNG tube bundle connected with an LNG main tube, and the top end is provided with an NG tube bundle connected with an NG maintube; the LNG tube bundles are connected with the NG tube bundles through heat exchange tube bundles or heat exchange tube plates; each heat exchange space is provided with a water tank correspondingto each heat exchange tube bundle or heat exchange tube plate; the seawater pipeline adjustment platform module is arranged on one side of the heat exchange plate module, and includes a seawater mainpipe and seawater branch pipes respectively connected with the seawater main pipe; each seawater branch pipe is provided with a regulating valve; and the seawater branch pipes are connected with the water tanks in the heat exchange spaces.
Owner:CHINA HUANQIU CONTRACTING & ENG CO LTD
Switching-on structure of modular circuit breaker
PendingCN110491697AReduce couplingIncrease the level of modularityContact driving mechanismsSwitch power arrangementsCouplingModularity
The invention discloses a switching-on structure of a modular circuit breaker, which comprises a support body, an energy storage assembly, an input assembly, a clutch device, a switching-on assembly and an output assembly, and the energy storage assembly comprises an energy storage shaft, a first crank arm and a first spring, the energy storage shaft is rotatably connected with the support body, and the first crank arm is fixedly connected with the energy storage shaft; the input assembly comprises a motor and a transmission device, and the motor is connected with the transmission device and can drive the transmission device to move; the clutch device is fixedly connected with the energy storage shaft and can be connected with or separated from the transmission device; the switching-on assembly is fixedly connected with the supporting body, and the switching-on assembly can abut against or be separated from the clutch device; the switching-on structure has the advantages that all components of the switching-on structure are arranged relatively independently, so that the coupling of the switching-on structure is reduced, and the modular level of the circuit breaker is improved.
Owner:武汉倍诺德开关有限公司
Trayless Cassette Cassette Cassette and Its Automatic Driving Device
ActiveCN103811035BSave space utilizationImprove space utilizationMagazine/cassette containersRecord information storageCompact discHigh density
Provided are a tray-free cassette caddy (1) and an automatic drive device thereof. The caddy (1) comprises an internal caddy (2) of which an inner wall is smooth, an upper cover (51) and a lower cover (52), wherein a caddy shell (5) is formed by the upper cover (51) and the lower cover (52) which are fixed together, protruding internal caddy sliders (21) are provided on the two side walls of the internal caddy (2), depressed caddy shell internal grooves (53) are provided at the two sides of the internal wall of the caddy shell (5), and the caddy shell internal grooves (53) and the internal caddy sliders (21) are tabled with one another, so that the internal caddy (2) can be smoothly pulled and pushed in the caddy shell (5), and an automatic drive device for the caddy (1) is developed. The caddy (1) in the present invention is used for storing high-density compact discs (24) which are easy to preserve and exchange, so that the automatic operation process of randomly taking out a compact disc (24) from the caddy (1) and putting same into a standard compact disc driver for reading and writing operations, and putting back the compact disc (24) in the compact disc driver into the caddy can be realized, thereby providing a core technology basis for forming modular compact disc jukeboxes and offline jukeboxes of various sizes.
Owner:SUZHOU NETZON INFORMATION STORAGE TECH
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