13results about How to "Avoid heavy" patented technology

The invention provides an intelligent drinking water distribution path optimization method based on a mobile terminal, and the method comprises the steps: calculating an order regularity coefficient and a recovery rate, classifying users into four types, and determining the order basic priority according to the four types; and calculating a time urgency degree weight in combination with the expected order delivery time so as to determine a comprehensive priority value of the order. According to the method, real-time road conditions and deliveryman position information of a delivery area are collected, an order density thermodynamic diagram is generated, distribution area grids are adaptively divided based on the thermodynamic diagram, and a high-density area is covered with a smaller grid size. And a multi-objective optimization model is established by combining the vehicle-mounted capacity state of the deliveryman, and optimization objectives comprise weighted delivery time minimization, vehicle-mounted capacity utilization rate maximization, container recovery efficiency maximization and workload balancing. And solving the optimization model by using an ant colony algorithm, adjusting a distribution path in real time, and dynamically updating path planning according to vehicle-mounted capacity change data so as to realize efficient and flexible intelligent distribution management.

The utility model discloses an air blower supporting wallboard structure which comprises an air blower, a fixing seat, an oil tank and a supporting wallboard, and is characterized in that the air blower is fixedly connected with a machine shell, one end of the machine shell is fixedly connected with a first supporting wallboard, and the first supporting wallboard is fixedly connected with an auxiliary oil tank; the first supporting wall plate is fixedly connected with two first fixing seats through bolts, one first fixing seat is internally and fixedly connected with a first bearing outer ring, and a first bearing inner ring is fixedly connected with a driving rotor; the utility model has the beneficial effects that the air blower wallboard and the bearing seat are cast and processed separately and are connected and fixed by bolts, so that the problems that the wallboard is heavy and the casting process is complicated are solved, the processing precision is easy to control, and the processing efficiency is improved.

The invention discloses a full-automatic filling and rolling all-in-one machine which comprises a conveying part, a filling part, a capping part and a capping part, and the filling part, the capping part and the capping part are sequentially arranged on the side edge of the conveying part in the conveying direction. Weighing parts mounted on the conveying part are arranged under the filling part and between the cover feeding part and the cover rolling part correspondingly, the two weighing parts are used for filling weighing and filling reinspection correspondingly, and the cover feeding part comprises an obliquely-arranged cover bin part and a cover conveying part arranged at the lower end of the cover bin part; the cover bin part is used for containing stacked barrel covers and conveying the barrel covers to the lower end of the cover bin part one by one, the cover conveying part transfers the barrel covers at the lower end of the cover bin part to the tops of conveyed filling barrels through overturning action, and the cover rolling part is suitable for pressing the barrel covers downwards so that the barrel covers can be buckled on the filling barrels. The automatic filling, capping and capping all-in-one machine integrates the functions of automatic filling, capping and capping, is more reasonable in layout, realizes miniaturization of the whole machine, improves the filling production efficiency, and can adapt to production workshops with more scales.

The invention discloses a self-heating material and a preparation method and application thereof, and relates to the field of self-heating products. The self-heating material comprises the following raw materials in parts by weight: 38-41 parts of iron powder, 9-11 parts of activated carbon, 12-15 parts of silane modified diatomite, 3-4 parts of super absorbent resin, 1.0-1.5 parts of sodium chloride and 30-35 parts of water. The super absorbent resin is prepared from the following raw materials: acrylic acid, acrylamide, a cross-linking agent, diatomite, white carbon black and an initiator. The self-heating material has the heating effects of quick start and long-term endurance, the material is prevented from being thick and heavy, and the wearing comfort of the product is improved.

This invention discloses a radar-infrared compatible stealth composite material with infrared camouflage function, belonging to the field of multi-spectrum compatible stealth technology. The radar-infrared compatible stealth composite material comprises, from top to bottom, a top coding layer, a first dielectric layer, a second dielectric layer, a conductive reflective layer, and a third dielectric layer along the electromagnetic wave propagation direction. The top coding layer includes several zero-patch large units and one-patch large units. Along the electromagnetic wave propagation direction, the zero-patch large units and one-patch large units, together with the dielectric layer and reflective layer below them, constitute zero-coding units and one-coding units, respectively. These units are arranged in an array structure according to coding patterns generated by a multi-objective optimization algorithm. This invention utilizes the arrangement of zero-coding units and one-coding units to construct an infrared camouflage pattern matching the complex background thermal radiation characteristics in the infrared band, and utilizes the reflection phase difference between the two coding units in the microwave band to achieve radar cross-section reduction, thus completing radar-infrared compatible stealth.

A water leakage detection device comprises a water collecting tray, a water immersion sensor is fixedly installed at the water collecting bottom of the water collecting tray, the water immersion sensor is electrically connected with a controller, the controller is electrically connected with a buzzer, a drainage pipe is further installed at the water collecting bottom of the water collecting tray and communicated with a collecting cylinder through a hose, and a connecting assembly is further arranged on the water collecting tray. The device is fixedly connected with a to-be-detected device through a connecting assembly. The water immersion sensor is a contact type water immersion detector; the controller is a single chip microcomputer controller; according to the utility model, the sensor of the contact type water immersion detector is arranged, and the buzzer is connected through the single-chip microcomputer controller, so that when leaked water is collected in the water collecting tray, the buzzer gives an alarm in time; according to the water collecting tray, the connecting assemblies of different structures and installation modes are arranged, the water collecting tray and the to-be-detected device are fixedly installed together, therefore, installation and use of the water collecting tray at complex water leakage points are achieved, the installation modes are diversified and flexible, and the water collecting tray is simple and reliable in structure, sensitive in detection, high in practicability and high in popularization value.

The utility model relates to PVC electric power pipe technical field especially light weight PVC electric power pipe, including pipe body, the pipe body is composed of inner tube, outer tube and spiral reinforcing rib, the inner side of a plurality of spiral reinforcing rib is fixedly connected with the outer wall of inner tube, the outer side of a plurality of spiral reinforcing rib is fixedly connected with the inner wall of outer tube. Through the cooperation between pipe body, inner tube, outer tube, spiral reinforcing rib and annular reinforcing rib, the three-layer structure is formed by material function differentiation+structure mechanics optimization system advantage, the three-grade design of inner tube filler weight reduction, hollow reinforcing rib layer structure enhancement, outer tube protection makes pipe material weight to reduce 30% 40% compared with traditional product, and the compression strength is improved, effectively avoid the problem that traditional PVC electric power pipe exists weight is big, this not only increases the transportation cost, also brings the problem of the inconvenience of construction installation.

The invention relates to the technical field of integration of perovskite solar cells and flexible electronic equipment, in particular to a perovskite / perovskite / crystalline silicon three-junction laminated solar power supply electronic paper book which comprises an electronic paper book body, a three-junction laminated solar cell module and an integrated fixing structure. The electronic paper book body comprises a flexible electronic ink display screen, a low-power-consumption master control module, an energy storage module and a light sensing module. According to the invention, the photoelectric conversion efficiency is improved through the three-junction band gap complementary design so as to meet the rapid power supplement requirement, weak light response is optimized through full-spectrum absorption and illumination adaptive regulation and control so as to adapt to multiple scenes, and the flexible conductive layer and the stress buffer structure are utilized to solve flexible adaptation and realize lightening and thinning. Perovskite modification and crystalline silicon passivation are utilized to enhance stability matching and long-term use, intelligent charging regulation and control are realized through linkage of light sensation and a main control module, safety and service life are guaranteed, and the use requirements of efficient power supply, flexibility, portability, stability and reliability of the electronic paper book are met in all directions.

The utility model relates to the technical field of mobile phone shell, concretely relates to a high strength mobile phone shell, the mobile phone shell includes the casing for containing mobile phone, the casing includes the frame and the coating that fits in the frame openwork department, the coating includes the wear -resisting layer, first fiber layer, second fiber layer and third fiber layer that set up in order from top to bottom laminated, the wear -resisting layer is used for wear -resisting scratch, first fiber layer and third fiber layer are used for promoting the strength of coating, second fiber layer is used for absorbing impact energy. The utility model aims at providing a kind of high strength mobile phone shell, through the laminated structure design of uniqueness, the combination of wear -resisting layer and multilayer fiber layer, not only promote the strength and wear resistance of mobile phone shell, but also effectively absorb impact energy, thereby in the protection mobile phone, prolong the service life of mobile phone shell.

The utility model particularly relates to an electric purification and dust collection device which is arranged to be of a window frame structure and comprises a frame, an electric purification and dust collection device, a dust collection device and an electric purification and dust collection device, and the frame is arranged to be of a hollow structure defined by peripheral frame plates; the discharge electrode is arranged on the first side of the peripheral frame plate; the grounding electrode is arranged on the second side, opposite to the first side, of the peripheral frame plate, and an ionization area is formed at the hollow structure between the discharge electrode and the grounding electrode; and the dust collection layer is arranged on the peripheral frame plate and located in the ionization area, and the dust collection layer is arranged to collect dust in the ionization area. According to the electric purification and dust collection device, the discharge electrode and the grounding electrode are integrated on the frame of the electric purification and dust collection device, so that an ionization area can be formed in the frame, dust in the frame is absorbed by the dust collection layer under the condition that the dust is fully ionized, and the technical effects of lightness, thinness and high efficiency of the electric purification and dust collection device are achieved.

The utility model discloses a cable well cover plate with a protection function, and relates to the technical field of cable well cover plates, the cable well cover plate comprises a well cover plate body and an observation port arranged in the well cover plate body in a penetrating manner, the interior of the well cover plate body is provided with two groups of storage grooves and two groups of transparent glass plates, and the transparent glass plates are arranged in the storage grooves. The interior of the storage groove is fixedly connected with a first protection layer and slidably connected with protection plates, groove openings are formed in the tops of the two protection plates, and a containing groove is formed in one side of each protection plate. Through the arrangement of the containing groove, the protection plate, the first protection layer and the clamping layer, the effect that the interior of the cable well can be observed without opening the whole device is achieved, the using effect is improved, and the problems that an existing well cover plate is generally thick and heavy, the cable running condition in the cable well needs to be known, and the cable well cover plate is inconvenient to use are solved. And observation can be carried out only by opening the device with a tool and a proper amount of manpower, so that the daily inspection work is influenced.

The invention discloses a radar and infrared compatible stealth composite material with an infrared camouflage function, and belongs to the technical field of multi-spectrum compatible stealth. The radar infrared compatible stealth composite material sequentially comprises a top coding layer, a first dielectric layer, a second dielectric layer, a conductive reflecting layer and a third dielectric layer from top to bottom in the electromagnetic wave propagation direction. The top coding layer comprises a plurality of zero patch large units and one patch large unit; the zero patch large unit and the first patch large unit from top to bottom respectively form a zero coding unit and a first coding unit together with the dielectric layer and the reflecting layer below the zero patch large unit and the first patch large unit from top to bottom along the electromagnetic wave propagation direction; and array structures are formed according to coding patterns generated by a multi-objective optimization algorithm. The zero coding unit and the one coding unit are arranged, an infrared camouflage pattern matched with complex background thermal radiation characteristics is constructed in an infrared band, and the reflection phase difference between the two coding units is utilized in a microwave band, so that the radar cross section is reduced, and radar infrared compatible stealth is completed.

The invention belongs to the technical field of robots, and discloses a pneumatic soft mechanical arm based on a multi-layer composite film and a machining method, and the pneumatic soft mechanical arm comprises a bending unit assembly and a pneumatic control assembly; the bending unit assembly comprises a center air strip, a first bending unit and a second bending unit, wherein the first bending unit and the second bending unit are orthogonally connected. The bending unit comprises four layers of composite films which are connected in sequence, and three layers of cavities are formed among the four layers of composite films; the central air strip penetrates through the first bending unit and the second bending unit; the pneumatic control assembly comprises an air inflation unit and an air exhaust unit. The air inflation unit and the air exhaust unit are connected with the cavities and the central air strip and used for controlling the air inflation state of the cavities and the central air strip. Four-degree-of-freedom bending angle adjustment can be achieved, the flexibility is far better than that of a rigid mechanical arm and a traditional soft robot, the problem that traditional multi-layer stacking is thick and heavy is avoided, and the size of the mechanical arm is effectively reduced; and variable stiffness supporting can be achieved, and the stiffness adaptation requirements under different operation scenes are considered.