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606results about How to "Small space volume" patented technology

A fabric system thermal protection tester

The invention relates to a tester of thermal protection of a fabric system. The tester which comprises a thermal exposure simulation case, a water pump, a skin temperature simulation datum acquisition system and a temperature and humidity datum acquisition system is characterized in that: a basal case with heating tubes provided therein is arranged under the thermal exposure simulation case; the outside of the thermal exposure simulation case is provided with a housing, and the top of the thermal exposure simulation case is provided with a sensor pedestal; a skin simulation sensor which is connected with the skin simulation temperature datum acquisition system is arranged in the sensor pedestal; the lower surface of the skin simulation sensor is provided with a capillary outlet pipe network; the capillary outlet pipe network is connected with the water pump by a water tube, wherein the water pump is connected with a constant temperature water bath; an comfortable layer attached fabricsystem thermal insulation layer, a waterproof ventilating layer, and an outer layer which are sequentially superposed are fixed under the capillary outlet pipe network by fabric clamping devices; a space block is arranged between the fabric clamping devices and the capillary outlet pipe network; a thermal insulation board is arranged under the outer layer; and temperature sensors and humidity sensors which are connected with the temperature and humidity datum acquisition system are arranged at appropriate positions. The tester of the invention allows thermal protection assessment to be carried out in the condition of continuous wetting.
Owner:DONGHUA UNIV

Power generation device by waste heat of gas water heater

The invention discloses a power generation device by waste heat of a gas water heater, comprising a condensing gas water heater and a temperature difference power generation system, wherein the condensing gas water heater comprises a combustor, a combustion chamber, a heat-exchange coil, a high-temperature section heat exchanger and a condensing section heat exchanger; the combustion chamber is positioned below the heat-exchange coil; the combustor is positioned below the combustion chamber; the high-temperature section heat exchanger is positioned below the condensing section heat exchanger; the high-temperature section heat exchanger mainly comprises two corrugated plate bundles, a partition plate, a plate box, a water inlet connecting tube and a water outlet connecting tube arranged in a shell; the corrugated plate bundles comprise two metal plates which are oppositely and longitudinally arranged to form a water channel, convex corrugations and concave corrugations are machined on each metal plate, the convex corrugations are bulges machined on the metal plate towards the outside of the water channel; and the distance between the two corrugated plate bundles is 2-6mm. In the invention, the temperature difference between high-temperature fume and sanitary water is used, and thermoelectric conversion is carried out by a temperature difference chip power generation module, thus realizing efficient utilization of the fume waste heat of the gas water heater, and achieving the purposes of energy conservation and environmental protection.
Owner:SOUTH CHINA UNIV OF TECH

Folding light path laser cooling atom device

ActiveCN104464869AEliminates the effects of polarization instabilitiesReliable monitoringRadiation/particle handlingMagneto-optical trapApplication engineering
The invention provides a folding light path laser cooling atom device which is mainly composed of a vacuum tetrakaidecahedron, cooling light source assemblies, reflecting mirror assemblies, transfer mirror assemblies and anti-helmholtz magnetic field coils. The folding light path laser cooling atom device integrates a laser beam expansion collimation system, a folding light path, a polarization transformation system, the anti-helmholtz magnetic field coils and optical power real-time monitoring, six paths of laser required by a traditional laser cooling magneto optical trap is reduced to two paths of laser, the size and weight of an optical-mechanical system are reduced to the maximum degree, a space topology structure is simplified, and the optical-mechanical system is extremely good in mechanical property and thermal environment adaptability and can be applied to the severe environment of the space level. According to the folding light path laser cooling atom device, samples have passed ring die tests, such as a space level mechanical vibration test, a mechanical impact test, a thermal cycle test and a thermal vacuum test, long-term stable working can be kept, and the device can serve as a core optical-mechanical device of the laser cold atom application engineering.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI

Liquid crystal display device and method of fabricating the same

The present invention discloses a liquid crystal display device and the manufacturing method thereof, which can reduce the used liquid crystal quantity in the liquid crystal device according to the special column wadding forming technique. A liquid crystal display device includes first and second substrates facing each other; gate lines and data lines formed on the first substrate such that the gate lines and the data lines intersect each other to define pixel regions; thin film transistors formed at respective intersections of the gate lines and the data lines; a black matrix layer formed on the second substrate such that the black matrix layer corresponds to a region other than the pixel regions; color filter layers extending in an extension direction of the data lines in respective pixel regions; a liquid crystal layer interposed between the first and second substrates; first column spacers formed on one of the first and second substrates such that each first column spacer corresponds to an associated one of the gate lines or to a channel region of an associated one of the thin film transistors to maintain a cell gap between the first-and second substrate; and spacer patterns formed on one of the first and second substrates such that each spacer pattern corresponds to at least one of an associated one of the gate lines and an associated one of the data lines, thereby forming a first gap between the spacer pattern and the other substrate facing the spacer pattern, and reducing an amount of liquid crystals filled between the first and second substrates.
Owner:LG DISPLAY CO LTD

Plate-fin heat exchanger for gas heater

The invention discloses a plate-fin heat exchanger for a gas heater, comprising a core body, seal heads, an inlet connection pipe and an outlet connection pipe, wherein the core body comprises a plurality of flue gas channels and sanitary water channels which are divided by partition plates in a rectangular cavity and are alternately connected; in the flue gas channel, flue gas side fins are arranged between two metal partition plates and are longitudinally arrayed, and the left and the right sides of each flue gas side fin are sealed by sealing tapes; in the sanitary water channel, water side fins are arranged between two metal partition plates and are transversely arrayed, the upper and the lower sides of each water side fin are sealed by sealing tapes, the left and the right ends of each water side fin are respectively communicated with the two seal heads, the seal heads at both sides are respectively connected with the inlet connection pipe and the outlet connection pipe of sanitary water, and the flue gas side fins and the water side fins are in continuous groove structures. The gas-water exchanger of the gas heater has high heat exchange efficiency, reduces the consumption of gas and achieves the purposes of saving energy, reducing device size and reducing production cost.
Owner:SOUTH CHINA UNIV OF TECH

Active conformal array antenna applied to unmanned aerial vehicle platform

The invention discloses an active conformal array antenna applied to an unmanned aerial vehicle platform, and sequentially comprises an antenna array surface, a body skin, a multifunctional board, anda tile-type TR assembly that are integrated and conformal from the outside to the inside, a patch is adopted as a radiation unit on the antenna array surface and is conformal with the structure of the body skin, wherein the antenna array surface comprises an antenna radiation layer, and a thermal control and support layer which are sequentially arranged from the outside to the inside, the antennaarray surface adopts an SMP blind matching connector to penetrate through the thermal control and support layer and the multifunctional board to be connected with the tile-type TR component. According to the invention, the integrated integration of the active module, the antenna array and the body skin is realized by combining rigid and flexible printed boards, the defects that a traditional design cannot realize the integrated integration of the active module and the body are overcome, and meanwhile, the occupied space is small, the anti-electromagnetic interference resistance is strong, andthe aerodynamic requirements of the aircraft is met.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Linear double-branch azobenzene/graphene composite material and preparation method and application thereof

The invention discloses a linear double-branch azobenzene / graphene composite material and a preparation method and application thereof. The linear double-branch azobenzene / graphene composite material is characterized in that linear double-branch azobenzene is grafted to single-layer graphene. The preparation method includes: performing diazotization on 4-aminobenzoic acid, allowing the processed 4-aminobenzoic acid to have reaction with aniline to generate azobenzene molecules, performing amino protection on the azobenzene molecules, and performing amidation on the azobenzene molecules and para amino azobenzene-4-sulfonic acid to obtain amino protected double-branch azobenzene; removing amino protection, and hybridizing and compositing the prepared double-branch azobenzene and reduced graphene oxide through diazotization to obtain the linear double-branch azobenzene / graphene composite material. The prepared double-branch azobenzene / graphene hybrid material has the advantages that the energy value and half-life period of the material are greatly improved as compared with those of azobenzene small molecules, the energy density of the material is stabilized at 158Wh / Kg, the half-life period of the material is prolonged to above 1000 hours, and the material is good in thermal stability and circulating performance and beneficial to solar heat storage.
Owner:TIANJIN UNIV

Device for correcting parallelism degree of laser emission optical axis and capturing and tracking visual axis

The invention discloses a device for correcting the parallelism degree of a laser emission optical axis and a capturing and tracking visual axis, belongs to a detection device in the technical field of photoelectric detection, and provides the device for correcting the parallelism degree of the laser emission optical axis and the capturing and tracking visual axis. The device comprises a laser device, a two-dimensional swing mirror, a beam splitter, a laser energy collector, a cube-corner prism, a charge coupled device (CCD) camera, a two-dimensional swing mirror controller and a data processing computer, wherein the beam splitter, the two-dimensional swing mirror and the CCD camera are arranged on an optical axis of the cube-corner prism from left to right in sequence; the beam splitter and the optical axis form a 45-degree angle; the two-dimensional swing mirror and the optical axis form a 45-degree angle; the laser device and a normal of the two-dimensional swing mirror form a 45-degree angle; the laser energy collector is arranged in the direction of reflecting laser of the beam splitter; the two-dimensional swing mirror controller is connected with the two-dimensional swing mirror; and the CCD camera and the two-dimensional swing mirror controller are connected with the data processing computer. The device for correcting the parallelism degree of the laser emission optical axis and the capturing and tracking visual axis is simple in structure, reliable and practical.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

System and method for realizing multi-card multi-standby mobile phone function by virtual method

The invention provides a system and method for realizing a multi-card multi-standby mobile phone function by a virtual method. The system comprises a mobile phone body with a single subscriber identity module (SIM) card slot, a software detection module and a memory module, wherein the SIM card slot supports insertion of one or more external SIM cards; the software detection module is used for detecting the system information of the inserted SIM card, and duplicating the system information of the SIM card to the corresponding memory module; and the memory module divides the SIM card to the corresponding memory module on the basis of the system information of the SIM card detected by the software detection module, and is used for storing subsequent communication information generated on the basis of the SIM card. By utilizing he system and method provided by the invention, the technical problem that the requirement of increasing the multi-card function and the requirement of restricting the appearance volume are contradictory; the multi-card multi-standby mobile phone function is realized by the virtual method, the space volume of the mobile phone is saved to assist a mobile phone designer to better complete structure stack and ensure the multi-card multi-standby mobile phone to be thinner and smarter, and mobile phone manufacturers can save hardware cost of multiple card slots.
Owner:SHENZHEN SANG FEI CONSUMER COMM CO LTD

Nut shell breaking machine

The invention relates to a nut shell breaking machine, aiming at providing the shell breaking machine which has the characteristics of simple structure, high production efficiency and convenience in use. The shell breaking machine comprises a rack, a feed hopper and a discharge port, wherein the feed hopper and the discharge port are positioned on the rack. The shell breaking machine is characterized in that a feeding device and an attacking device are also arranged at the shell breaking machine; the feeding device comprises two rotatable feeding rollers, a ratchet-pawl mechanism and a power machine, the two feeding rollers are horizontally and symmetrically arranged at the bottom end of the feed hopper, and the ratchet-pawl mechanism is used for driving the feeding rollers to intermittently rotate; the attacking device comprises fixed attacking plates, movable attacking plates, a transverse push rod and a power machine; the fixed attacking plates are positioned under each feeding roller and are vertically fixed, and the movable attacking plates are arranged correspondingly to the plate faces of the fixed attacking plates and are positioned at the inner side of the rack; the transverse push rod is hinged with the movable attacking plates to drive the movable attacking plates to do a horizontal attacking motion; and the power mechanism is used for driving the transverse push rod.
Owner:杭州虹环电子有限公司

Thermal protection property tester for fabric system

The invention relates to a thermal protection property tester for a fabric system. The thermal protection property tester comprises a heat exposure simulation box, wherein a constant-temperature preheating board is arranged at the lower part inside the heat exposure simulation box, a fabric clamping device is arranged above the constant-temperature preheating board, and clamps a thermal-protective coating attached with a comfort layer, a water-proof ventilation layer, and an outer layer from top to bottom, a reciprocating lifting simulation skin system is arranged above the fabric clamping device, and ascends and descends in a reciprocating way through a speed-governing engine, a simulation skin sensor is connected with a computer through a simulation skin temperature data collecting system, temperature and humidity sensors are respectively arranged between the thermal-protective coating attached with the comfort layer and the water-proof ventilation layer, between the water-proof ventilation layer and the outer layer, above the thermal-protective coating attached with the comfort layer and inside an under-coat air layer, outside the outer layer and inside a static air layer, and are connected with the computer through a temperature and humidity data collecting system. The thermal protection property tester can be used for truly simulating the real using condition of the thermal protection garment and equipment in the fire rescue scene.
Owner:DONGHUA UNIV

Magnetic electrode button

The invention discloses a magnetic electrode button, which comprises a magnetic electrode button male seat and a magnetic electrode button female seat, wherein the magnetic electrode button male seat and the magnetic electrode button female seat comprise magnets; the magnetic electrode button male seat and the magnetic electrode button female seat are connected together through attraction of the magnets and are conducted; and conducting ends of the magnetic electrode button male seat and the magnetic electrode button female seat are butted and conducted through adsorption of the magnets. The magnetic electrode button is fixed on a carrier to serve as a button in use; the magnetic electrode button female seat or the magnetic electrode button male seat is fixed by forming an opening in the carrier; and the magnetic electrode button is connected with the magnetic electrode button male seat and the magnetic electrode button female seat in use for charging and data transmission. The magnetic electrode button disclosed by the invention comprises the magnets, a positive conducting body and a negative conducting body, so that connection and conduction of the magnetic electrode button male seat and the magnetic electrode button female seat are achieved to form the magnetic electrode button; and the magnetic electrode button is simple in structure, easy to install and convenient to carry, is arranged on clothes or a wearable shell and is used for other charging fields.
Owner:SHENZHEN POMAGTOR PRECISION ELECTRONICS CO LTD

Fault positioning and marking method of digital flat-panel type X-ray detection system

The invention relates to a fault positioning and marking method of a digital flat-panel type X-ray detection system. The method comprises the following steps of: (1) connecting a system positioning and marking device with a signal; (2) acquiring a fault signal; (3) geometrically positioning a fault point space; and (4) positioning and marking. Because the fault positioning and marking method adopts space three-dimensional measurement coordinates to position, the positioning precision is greatly improved, and moreover, a linear jet technology is adopted, and the space volume is greatly saved. Compared with a traditional mark punching method which cannot directly position a fault part and needs to carry out manual secondary measurement, positioning and marking due to the limit of the space, the method is not limited by the space and can directly jet a mark to a remote actual fault position. The method has the advantages of compact structure, high measurement accuracy and positioning precision, small marking point, strong applicability, and the like and can be widely applied to the field of marking and positioning of more nondestructive detection systems such as a digital flat-panel type X-ray detection system, and the like.
Owner:DANDONG HUARI SCIENCE ELECTRIC CO LTD

Chain transmission dibble-type pot seedling planting device and method for same

ActiveCN104919953AHigh-speed transplantingEasy and flexible installationTransplantingEngineeringSeedling
The invention discloses a chain transmission dibble-type pot seedling planting device and a method for the same. The device comprises a rack, a power transmission assembly, a rail control assembly and a pot seedling planting assembly, wherein the power transmission assembly and the rail control assembly are arranged on the rack; the pot seedling planting assembly is arranged on the power transmission assembly, and keeps moving cyclically and perpendicularly under the action of the rail control assembly. The overall structure of the device is vertically arranged, so that the space volume in the horizontal direction is reduced, and the planting device can be arranged more flexibly and conveniently; a unique dibble-type structure is adopted for the pot seedling planting assembly, duckbills are opened and closed in a direction perpendicular to the advancing direction of the planting device in a planting process to prevent seedlings from mechanical damage, and the number of dibbles is regulated to transplant seedlings in different varieties and specifications; the pot seedling planting assembly is driven to move in a chain transmission manner, and is controlled to be kept in a perpendicular attitude by the rail control assembly in a roller and annular rail matching manner, so that transmission stability is ensured, and high-speed pot seedling transplantation operation is facilitated.
Owner:ZHEJIANG UNIV

Loudspeaker cabinet

The invention provides a loudspeaker cabinet. The loudspeaker cabinet includes a bottom cover, a top cover, a side plate, a sounding monomer, a cyclic convex wall and a ventilating separator, whereinthe side plate connects the bottom cover and the top cover, so as to form accommodation space through enclosure, together with the bottom cover and the top cover; a front cavity is formed through enclosure of the sounding monomer, the top cover and the side plate together; a back cavity is formed through enclosure of the sounding monomer, the bottom cover and the slide plate together; the convex wall is extended to the direction, far away from the outer wall of the side plate, from the inner wall of the side plate in a convex manner; the ventilating separator is fixedly supported at one side,close to the top cover, of the convex wall, and separates the back cavity into a first back cavity and a second back cavity, together with the convex wall, and the first back cavity and the second back cavity are mutually communicated in air; the sounding monomer is arranged in the first back cavity; acoustic-absorbing particles are filled in the second back cavity; and the ventilating separator packages the acoustic-absorbing particles in the second back cavity. Compared with the related technologies, the loudspeaker cabinet has better low frequency acoustic performance.
Owner:AAC TECH PTE LTD

Broadband multi-frequency monopole antenna

The invention discloses a broadband multi-frequency monopole antenna, mainly aims at solving the problems that the existing monopole antenna is single-frequency and the space occupied by carrying out multi-frequency through a plurality of monopole antennas is large. The antenna comprises a radiating unit (3), a feeder line (4) and a radiant floor (5), wherein the radiant floor is vertically fixedon the centre of the radiant floor; the radiating unit and the feeder line are printed on an upper dielectric material plate (1); the radiant floor is printed on a lower dielectric material plate (2); the feeder line and the radiant floor are respectively connected to an inner core and an outer core which are coaxial to feed, wherein the radiating unit is a trapezoidal structure of which the upper bottom edge is long and the lower bottom edge is short, the radiant floor is of a rectangular shape, the rectangular floor is provided with four sets of circular cross-shaped gaps, and the gaps are evenly and symmetrically distributed around the center of the radiant floor. According to the broadband multi-frequency monopole antenna provided by the invention, the low-frequency working band of 2.01 GHz to 2.59 GHz can be carried out, the high-frequency working band of 4.3 GHz to 5.62 GHz can be carried, the working bands of time division-synchronization code division multiple access (TD-SCDMA), time division-long term evolution (TD-LTE), Bluetooth, and wireless local area network (WLAN) can be covered fully, and the space volume occupied is reduced.
Owner:杭州平治信息技术股份有限公司
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