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54results about How to "Effective volume control" patented technology

Damping and tensile support with double curved surface

The invention relates to a damping and tensile support with double curved surface, belonging to the technical field of civil engineering and particularly relates to a damping and tensile support used for civil engineering structure. A support body is provided with a damping mechanism comprising an inner arc surface on the upper part of the inner side of a circular cavity; the inner arc surface is covered with a first spherical surface metal plate layer; a spherical surface slide block is arranged below the first spherical surface metal plate layer; a first engineering plastic slide plate covers on the spherical surface slide block; a second spherical surface metal plate layer covers below the spherical surface slide block; a hyperbolic spherical plate of which the upper surface and the lower surface are spherical surfaces is arranged below the second spherical surface metal plate layer, the upper spherical surface of the hyperbolic spherical plate is covered with a second engineering plastic slide plate, and the lower spherical surface of the hyperbolic spherical plate is covered with a third spherical surface metal plate layer; a spherical surface support plate is arranged below the third spherical surface metal plate layer; a third engineering plastic slide plate covers the top of the spherical surface support plate; and the lower part of the spherical surface support plate is fixedly connected with the lower part of the inner side of the circular cavity. The invention has the advantages of simple construction, favourable damping effect, high bearing capability, favourable durability and the like.
Owner:SHANGHAI EAGLE BRIDGE TECH

Stretchy type solar photovoltaic assembly and photovoltaic system

The invention discloses a stretchy type solar photovoltaic assembly and a photovoltaic system. The stretchy type solar photovoltaic assembly comprises a fixed support and a plurality of layers of solar cell panels, wherein the fixed support is fixed on a supporting face. The fixed support comprises track support bodies. Each track support body comprises a plurality of layers of tracks. The solar cell panels are installed on the tracks. At least one solar cell panel can be stretched out and drawn back in the stretching direction of the track where the solar cell panel is located. The photovoltaic system comprises a carrier and the stretchy type solar photovoltaic assembly which is installed on the top face of the carrier. According to the stretchy type solar photovoltaic assembly, when the solar cell panels are drawn back, the size of the stretchy type solar photovoltaic assembly is effectively controlled, and convenience is brought to carry; when the solar cell panels are stretched out, large-area solar cell panel installation is achieved in a limited supporting face area, the insolation area of the stretchy type solar photovoltaic assembly is effectively improved, and therefore the generated energy of the stretchy type solar photovoltaic assembly is improved.
Owner:DU PONT APOLLO

Degradable antifouling thermoplastic micro-airbag polymer elastomer material and preparation thereof

The invention relates to a degradable antifouling thermoplastic micro-airbag polymer elastomer material which is prepared from the following ingredients in percentage by weight: 88 to 98% of polymer raw material, 0.05 to 0.5% of nucleating agent, 0.4 to 2% of foaming agent and 0.1 to 10% of environment-friendly degradable organic perfluorosebacamidine material. A preparation method specifically comprises the steps: (1) feeding the polymer raw material, the nucleating agent and the environment-friendly degradable organic perfluorosebacamidine material from a feeding opening in the front end of a twin-screw extruder, feeding the foaming agent from a feeding opening in a middle section of the twin-screw extruder, hot melting and fully mixing all the raw materials, then sending into a static mixer to be further homogenized and then controlling pressure and quantitatively conveying by a melt pump; (2) sending hot melt sent out by the melt pump into an underwater pelletizing chamber to be pelletized, bringing out by technological water to be separated and screening and drying the particles to obtain a target product. Compared with the prior art, the degradable antifouling thermoplastic micro-airbag polymer elastomer material disclosed by the invention effectively achieves performance of antifouling, soiling-resistant, oil-resistant, contamination-resistant, attractive and good touch and is especially suitable for being applied to the fields of shoe materials, food package and the like.
Owner:NANTONG DE NEW MATERIAL CO LTD

Watch capable of continuously monitoring heart rate and preventing sleepiness

The invention relates to a watch capable of continuously monitoring heart rate and preventing sleepiness. The watch comprises a watch band, a shell with a display screen, a bottom cover, buttons and a clock mechanism mounted in the shell, wherein the clock mechanism comprises a photoelectric detection module, a low-frequency electric pulse module, a Bluetooth module, a central processing unit, a periphery management circuit, a rechargeable battery, a power supply management circuit and a vibration prompt device; the inner side of the shell is provided with a detection window, the photoelectric detection module comprises an LED light source capable of emitting light with the wavelengths of 630 nanometers and 940 nanometers, a photosensitive device and a trans-resistance amplifier, and the pulse oximeter signal which is reflected by a human body and received by the photosensitive device is amplified by the trans-resistance amplifier and output to the central processing unit. The watch has the advantages that the parameters of the human body are set through an intelligent terminal or a smart phone, whether a driver is in a fatigue state or not is detected by the pulse oximeter signal reflected by the human body, the vibration prompt device is driven to provide vibration prompt, and the low-frequency electric pulse module can be driven at the same time to generate low-frequency pulses to stimulate the human body.
Owner:TAIZHOU HUAAN TECH CO LTD

Engine comprehensive controller based on VNX architecture

The invention belongs to the field of engine control systems, and discloses an engine comprehensive controller based on a VNX architecture. The engine comprehensive controller comprises a comprehensive processing module, a signal acquisition module, an execution control module and a power supply module which are connected with one another, wherein the signal acquisition module is used for acquiring a measurement signal of an engine internal sensor, obtaining the acquisition signal and sending the acquisition signal to the comprehensive processing module; the comprehensive processing module isused for acquiring an engine state instruction, calculating an engine control rule according to the engine state instruction and the acquisition signal, generating an engine control instruction, and sending the engine control instruction to the execution control module and further used for uploading the acquisition signal; the execution control module is used for controlling an engine internal switch valve and a flow valve according to the engine control instruction and a preset control return-to-zero instruction; and the power supply module is used for supplying power to corresponding modulesaccording to power supply voltage. Miniaturization, serialization and standardization of the engine comprehensive controller are achieved, the development and application cost of a user can be remarkably reduced, and the application prospect is wide.
Owner:XIAN MICROELECTRONICS TECH INST

Greenhouse LED lighting device based on PLC controlling

The invention discloses a greenhouse LED lighting device based on PLC controlling. The greenhouse LED lighting device comprises a bridge, a PLC and a plurality of LED lighting boxes. The bridge comprises a plurality of levels of sub-units vertically arranged, each sub-unit comprises a supporting frame arranged on the ground and a cross beam horizontally arranged at the top end of the supporting frame, the supporting frames are provided with the PLC, LED red light sensors, LED blue light sensors and LED far-red light sensors, and the two ends of each cross beam are provided with the LED lighting boxes; each LED lighting box comprises a telescopic hanging rod, a top plate, a heat dissipating plate and a light plate, the lower surface of each light plate is provided with a plurality of LED red lights, LED blue lights and LED far-red lights, the upper surface of each light plate is closely attached to the lower surface of the corresponding heat dissipating plate, and the upper surface of each heat dissipating plate is provided with corresponding LED red light drivers, LED blue light drivers and LED far-red light drivers. The greenhouse LED lighting device is simple and ingenious in structure and low in heat of the LED lamps and can be widely applied to all growing stages of plants.
Owner:YANCHENG INST OF TECH

Integrated oil-gas separator

The invention relates to an integrated oil-gas separator which comprises a base, a barrel body, a spiral-flow barrel, a filter element and a blade separation element, wherein the barrel body is fixedly arranged at the upper end of the base; a barrel cover is detachably arranged at the upper end of the barrel body; an upper cavity and a lower cavity are formed in the upper part and the lower part of the inner side of the barrel body respectively; a partition is arranged between the upper cavity and the lower cavity; a first liquid receiving pipe extending into the lower cavity is arranged at the bottom of the upper cavity; the upper cavity is provided with a gas inlet tangent with the wall of the barrel body and used for introducing an oil-gas mixture; the spiral-flow barrel is detachably arranged in the upper cavity; a vent hole is formed in the lower end of the spiral-flow barrel; the blade separation element is arranged at the vent hole in the inner side of the spiral-flow barrel; a second liquid receiving pipe extending into the lower cavity is arranged at the bottom of the spiral-flow barrel; the filter element is detachably arranged in the spiral-flow barrel and clung to the top of the inner side of the spiral-flow barrel; a gas outlet communicated with the interior of the filter element is arranged on the barrel cover. Compared with the prior art, the integrated oil-gas separator is compact in structure, high in oil-gas separation efficiency and controllable in separation precision, and oil-gas separation is carried out for three times.
Owner:JEREH OIL & GAS ENG

A kind of preparation method of thermoplastic polyurethane micro-airbag elastomer material

The invention relates to a preparation method of a thermoplastic polyurethane micro-airbag elastomer material, which comprises the following steps: (1) feeding liquid raw materials such as diisocyanate molecules and solid additives into a twin-screw reactor to carry out polymerization chain extension reaction to obtain high molecular weight (2) Push the high molecular weight hot melt into the mixing extruder to continue the reaction to generate a high molecular thermoplastic polyurethane melt; (3) continue to combine the obtained high molecular thermoplastic polyurethane melt with the polymer Pellets, etc. are added to the foaming extruder, and then extruded from the die head to the underwater pelletizing chamber in the form of high-pressure hot melt; (4) The pellets are carried by the process water and sent to the separation process through the multi-stage pressure release and expansion process water pipeline. Machine place, after separation, screening and drying, the target product will be formed. Compared with the prior art, the present invention can directly produce thermoplastic polyurethane elastomer materials from liquid raw materials such as MDI, which greatly reduces energy consumption and material consumption, and improves product yield and production efficiency.
Owner:NANTONG DE NEW MATERIAL CO LTD

Intelligent motor driven type electric control handcuffs

The invention relates to intelligent motor driven type electric control handcuffs. An existing handcuff structure is improved, an intelligent motor driven type locking mechanism is introduced, and the hidden design is adopted. An electric control motor telescopic rod (10) is designed and introduced in a butt joint base (1). On the basis of detection of a fingerprint recognition module (8) designed on the surface of the butt joint base (1), a specifically-designed motor drive circuit (11) is combined, intelligent control is conducted on the electric control motor telescopic rod (10), and the electric control motor telescopic rod (10) is inserted in a sawtooth clamping opening area (4) of a through hole in the side face of the butt joint base (1) through a second semicircular lock ring (3) to achieve locking. Accordingly, handcuff locking and unlocking are achieved on the basis of the fingerprint recognition manner; due to the designed double-storage structure, the standard fingerprint storage and locking and unlocking record storage are achieved, the mode that the records can be inquired is achieved, and the defect of a traditional mechanical locking structure is overcome; and safety is greatly improved, and accordingly the police service safety is effectively improved.
Owner:无锡卓信信息科技股份有限公司

Image pickup lens system, image pickup device and electronic device

ActiveCN106324799BFix peripheral focus positionPeripheral focus position facilitates correctionOptical elementsCamera lensControl system
The invention provides an image sampling lens system, an image sampling device and an electronic device. The image sampling lens system sequentially comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from the object side to the image side. The first lens has a positive refractive power, and the object-side surface of the first lens is a convex surface. The second lens has a negative refractive power. The third lens has a refractive power, and both the object-side surface and image-side surface of the third lens are aspheric surfaces. The fourth lens has a negative refractive power, and both the object-side surface and image-side surface of the fourth lens are aspheric surfaces. The fifth lens has a refractive power, and both the object-side surface and image-side surface of the fifth lens are aspheric surfaces. The sixth lens has a refractive power, and the object-side surface of the sixth lens is a concave surface. The image-side surface of the sixth lens is a convex surface. Both the object-side surface and image-side surface of the sixth lens are aspheric surfaces. In the foregoing configuration condition, the converging ability of the whole system is focused on the object-side end of the lens, and the volume of the system can be effectively controlled. Therefore, the carrying convenience is improved. In addition, the chromatic aberration of the system and the peripheral focusing positions of an image are corrected. At the same time, the bending of peripheral images is avoided.
Owner:LARGAN PRECISION

Line length positioning method and device for feedback control of variable cross-section flexible arm and medium

The invention discloses a line length positioning method and device for feedback control of a variable cross-section flexible arm and a medium. The method comprises the following steps of: S1, takinga measured actual line length as an initial value of an equivalent line length of a current variable cross-section air bag section; S2, obtaining a bending angle theta and a bending degree according to the initial value; S3, respectively obtaining a displacement angle beta i according to the bending angle theta and the bending degree; S4, obtaining a calculation value of the equivalent line lengthaccording to the beta i, d0 and d1; S5, taking the calculation value of the equivalent line length as an initial value of three equivalent line lengths of the current variable cross-section air bag section, and then repeating the steps S1-S4 for iteration to obtain final theta and beta i; S6, repeating the steps S1-S5 to obtain relative coordinates of the tail ends of the variable cross-section air bag sections; and S7, converting the relative coordinates of each variable cross-section air bag section into an absolute coordinate system for accumulation to obtain accurate coordinate positionsof each variable cross-section air bag section and the tail end of the variable cross-section flexible arm in the absolute coordinate system. The device is simple in structure, high in precision and high in adaptability.
Owner:NAT INNOVATION INST OF DEFENSE TECH PLA ACAD OF MILITARY SCI

Recovery device

PendingCN114180237AIncrease storage densityIncrease space storageRefuse receptaclesPackagingGarbage collectionMaterial storage
The invention relates to the technical field of garbage recycling, and discloses recycling equipment which comprises a case, a pushing structure, a compression structure and a storage mechanism, the pushing structure and the compression structure are arranged in a first containing cavity of the case, and the storage mechanism is arranged in a second containing cavity of the case. The case is provided with a feeding port and a first opening communicating with the first containing cavity and the second containing cavity, the compression structure compresses and packs materials from the feeding port in the first direction, the storage density of the materials is increased, the occupied size of the materials is reduced, and the size of the recycling equipment is effectively controlled. The material pushing structure is located on the side, away from the second containing cavity, of the compression structure, the compressed and packaged materials are pushed into the second containing cavity through the first opening in the second direction, the materials are lifted in the first direction through the material storage mechanism so that the packaged materials can be stored in a stacked mode, the space storage amount is increased, and the clearing and transporting frequency and the clearing and transporting cost are reduced; according to the layout, the space utilization rate is optimized, and the technical problems that the storage and/or clearing cost of recycling equipment is increased and the space utilization rate is low are effectively solved.
Owner:深圳市迈睿迈特环境科技有限公司

Imaging lens system, imaging device and electronic device

ActiveCN106199931BMeet the remote shooting functionEasy to carryOptical elementsNegative refractionManufacturing cost reduction
The invention provides an imaging lens system, an image capturing apparatus and an electronic apparatus. The imaging lens system sequentially comprises the following parts from an object side to an image side; a first lens with positive refraction power, wherein its object-side surface is provided with a convex surface nearby an optical axis; a second lens with negative refraction power; a third lens with refraction power whose object-side surface and image-side surface are both aspheric surfaces; a fourth lens with refraction power, wherein its object-side surface and image-side surface are both aspheric surfaces; and a fifth lens with negative refraction power, wherein its object-side surface is provided with a concave surface nearby the optical axis, its image-side surface is provided with a convex surface nearby the optical axis, and the object-side surface and the image-side surface are both aspheric surfaces. The imaging lens system is additionally provided with an aperture, and there are no lenses with refraction power between the aperture and the first lens. Under aforementioned system configuration, while a distant-view shooting function is satisfied, thin type optical design facilitates carrying, also substantially decreases the manufacturing cost and facilitates market application.
Owner:LARGAN PRECISION
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