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39results about How to "Increase the level of modularity" patented technology

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

Wireless communication integrated system and realization method thereof

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

Solid-sealed polar pole

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

ActiveCN111897115AImprove image qualitySmall change in centroidMountingsOphthalmologyOptical axis
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

Projection objective lens and exposure system

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

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

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

Vacuum loading switch

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

Experimental device for coordinating building spaces and sizes of built-in components

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
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

A Transmission Line Isolated Linear Transformer Driving Source

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

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

Integrated power system with steering function, power assembly and vehicle

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

The invention relates to an experimental device for size coordination between building space and interior parts. The experimental device is a space body enclosed by a top plate, a side wall and a bottom plate. Intersecting tracks are arranged on the bottom plate. A slide rail corresponding to the track on the bottom plate is arranged on the top plate; the side wall is enclosed by the first side wall, the second side wall, the third side wall and the fourth side wall that are sequentially abutted against each other As a result, the first side panel and the second side panel are fixedly connected to the bottom panel and the top panel, the third side panel and the fourth side panel are slidingly connected to the bottom panel and the top panel; the third side panel Both the side wall and the fourth side wall are composed of a plurality of side wall units vertically arranged side by side, and adjacent side wall units are provided with fittings that cooperate with each other to fix the adjacent side wall units to each other. The invention is used to test the coordinate size relationship between the dimensions of various functional spaces of a house and the specifications of interior parts, and provides data support for forming a series of general sizes of interior parts of houses in my country.
Owner:BEIJING UNIV OF TECH

Trayless Cassette Cassette Cassette and Its Automatic Driving Device

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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