52results about How to "Optimize quantity" patented technology

The invention relates to the technical field of water conservancy and municipal administration, in particular to a reinforcement calculation method for a non-rod system reinforced concrete structure, which comprises the following steps: replacing long and thin pile and rod structures with one-dimensional units, replacing pier, wall, plate and beam structures with two-dimensional units, and carrying out coupling connection on a whole hydraulic structure model; original three-dimensional entity unit finite element calculation is equivalently converted into one-dimensional line unit, two-dimensional plate unit and three-dimensional entity unit coupling structure finite element calculation; displacement, internal force and stress of all parts of the hydraulic structure are obtained, and structural reinforcement is conducted through the internal force according to a structural mechanics method adopted by the rod system reinforced concrete structure. Compared with the prior art, the method has the advantages that the internal force of each part of the building can be directly obtained, the structure stress can be truly reflected, the structure reinforcement mode and number can be optimized, and the original complicated non-rod-system reinforced concrete structure can be subjected to structure reinforcement according to a structural mechanics method adopted by the rod-system reinforced concrete structure.

The embodiment of the invention provides an ionization layer electron density inversion method, device, system and equipment and a medium. The method specifically comprises the following steps: determining a target area of electron density inversion; obtaining observation data corresponding to the signal link in the target area; the signal links comprise a first signal link from a GNSS satellite to a ground station, a second signal link from the GNSS satellite to a low earth orbit satellite, and a third signal link from the low earth orbit satellite to the ground station; determining the slant total electron content corresponding to the signal link according to the observation data corresponding to the signal link; solving an ionized layer chromatography function according to the oblique total electron content corresponding to the signal link so as to obtain an electron density value of a grid in the target area; the ionized layer chromatography function is used for representing a mapping relation between the oblique total electron content and the electron density value of the grid. According to the embodiment of the invention, the inversion precision of the ionosphere electron density can be improved.

The invention discloses a ternary sand-fixing water-retaining seepage-proofing fertility-increasing vegetation restoration and reconstruction method, and relates to the technical field of operation methods of sand ecological restoration, and the method comprises the following steps: S1, laying a layer of seepage-proofing material on the surface layer of a target planting area to reduce water seepage and enhance soil water-retaining capacity; s2, mixing a water-retaining agent with local sandy soil to form a water storage layer, and paving the water storage layer on the surface of the impermeable material to ensure that the plant root system can obtain water for a long time; s3, applying an organic fertility intensifier to the water storage layer to improve the organic matter content and nutrient supply capacity of the soil; s4, appropriate plants are selected for planting, after planting, the vegetation growth condition and the soil humidity are checked regularly, a water-retaining agent and an organic fertility increasing agent are supplemented in time according to needs, and it is ensured that the vegetation can grow healthily. The planting method provided by the invention has a remarkable yield increasing effect, the survival rate of plants can be effectively improved, and the effect of fixing sand for a long time is achieved.

The invention discloses a high-efficiency converter for adjusting the voltage of a power grid, and belongs to the technical field of power electronics. The converter comprises a first voltage regulation circuit, a second voltage regulation circuit, a filter circuit, a detection circuit and a control circuit. By detecting the amplitude difference between the power grid voltage and the load voltage, the control circuit automatically switches the Buck working mode or the Boost working mode, and stable alternating current output in a wide input voltage range is achieved. The invention has the advantages of compact structure, high efficiency, fast response, small harmonic wave and the like, and is suitable for industrial and civil occasions with large-range fluctuation and frequent power grid voltage.

The invention discloses a matrix type temperature detection system and method based on temperature-sensitive diodes, the problems of complex wiring and large temperature drift of a traditional multi-node temperature measurement system are solved through M * N matrix layout, row and column time-sharing gating and constant current driving technologies, the system adopts an independent column constant current source to ensure the measurement consistency, and a high-precision ADC and a dynamic calibration algorithm are combined, so that the measurement accuracy is improved. And the precision of + / -0.2 DEG C is realized within the range of 50-150 DEG C. The method is particularly suitable for high-density temperature measurement scenes such as battery thermal management, electronic equipment overheating monitoring and the like.

The invention discloses a preparation method of oversized cubic calcium carbonate with controllable particle size, which comprises the following steps: adding a saccharide additive into a CaCl2 solution, and uniformly mixing to obtain a CaCl2 mixed solution; then placing the CaCl2 mixed solution in a carbonization tower, slowly adding Ca (OH) 2 as a pH regulator into the CaCl2 mixed solution, and preparing large cubic calcium carbonate at 25 DEG C by a carbonization method; by monitoring the reaction pH value, stopping introducing CO2 when the pH value is about 7, separating a product through suction filtration, and then drying to obtain the large cubic calcium carbonate. Large cubic calcium carbonate is prepared through a carbonization method, the large cubic calcium carbonate with different sizes is obtained by controlling the pH value of a reaction system, the maximum particle size can reach about 30 microns, and the monodispersity is good.

The utility model relates to the technical field of nitriding furnaces, in particular to an inlet air cooling device of an ultra-deep well type nitriding furnace, which comprises a fan connected to the nitriding furnace and used for cooling inlet air, a butterfly valve for adjusting the inlet air rate is additionally arranged on the fan, and the pipeline joints of the butterfly valve, the nitriding furnace and the fan are all arranged to be of flange structures. A plurality of arc-shaped rings which can stretch out and draw back in the arc direction are installed on the connecting face through bolts, the arc-shaped rings form a closed ring body structure after being stretched, and the outer portion of the ring body structure is sleeved with a sealing ring used for sealing and isolation. The number of parts required for assembly is reduced, and meanwhile, a stable supporting effect on the sealing ring is achieved, so that all joint surfaces of the nitriding furnace are tighter, and air cooling is smooth and free of leakage; by additionally arranging the rotatable L-shaped limiting plate, additional locking and supporting effects are provided for the joint face, and the sealing performance of the flange joint is enhanced.

The utility model provides an efficient hot water type lithium bromide absorption unit arranged in a left-right structure, an evaporator, an absorber and a generator all adopt two-stage heat exchange, a condenser adopts single-stage heat exchange, and the unit mainly comprises two independent solution circulation loops and a refrigerant pipeline, the first-stage generator and the second-stage generator, the second-stage evaporator and the first-stage evaporator, and the second-stage absorber and the first-stage absorber and the condenser are connected in series through pipelines; the unit is arranged in a left-right structure, the first-stage generator and the second-stage generator and the condenser are arranged in a left-right mode, the first-stage absorber and the first-stage evaporator are arranged in a left-right mode, and the second-stage absorber and the second-stage evaporator are arranged in a left-right mode. According to the unit, the consumption of high-grade heat energy is reduced or replaced by recovering medium-low-temperature waste heat water in a factory, so that the comprehensive utilization efficiency of energy is improved, meanwhile, the left-right structural arrangement is beneficial to the compactness of the overall structure of the unit, and the occupied area is reduced.

The present invention discloses a flexible pressure sensor based on a liquid metal composite material, which comprises: a liquid metal composite material layer, a liquid metal electrode layer and a flexible packaging layer arranged in sequence from the inside to the outside; the liquid metal electrode layer is arranged on the upper and lower sides of the liquid metal composite material layer, and the flexible packaging layer is used to encapsulate the liquid metal electrode layer; wherein the liquid metal composite material layer comprises a flexible polymer substrate and a plurality of liquid metal marbles arranged in the flexible polymer substrate, the liquid metal marbles are composed of internal liquid metal droplets and an external wrapping layer, and the external wrapping layer is metal nickel powder. Correspondingly, the present invention also discloses a preparation method, which is used to prepare the above-mentioned flexible pressure sensor of the present invention. The flexible pressure sensor designed by the present invention has the characteristics of good flexibility, strong conductivity, high piezoresistive sensitivity, etc., and has good promotion prospects and application value.

The invention relates to the field of non-motor vehicle management systems, in particular to a non-motor vehicle integrated management system based on an ultrahigh frequency RFID (Radio Frequency Identification Device) technology, which comprises a radio frequency identification module, an intelligent prediction module, a block chain module and an anti-theft alarm module which are in wireless communication connection, life cycle management, real-time positioning and dynamic trajectory tracking of non-motor vehicles are realized; the intelligent prediction module is used for intelligently analyzing and predicting the use frequency, the moving path and the parking position of the non-motor vehicle, and optimizing urban traffic planning and parking resource configuration; the block chain module is used for guaranteeing the safety and non-tampering of the vehicle data through a block chain layer; and the anti-theft alarm module is used for automatically triggering an alarm for the non-motor vehicle which illegally moves or is forbidden to enter an area, and sending a real-time notification to a management department and a vehicle owner. Traffic planning and parking resource configuration can be optimized, safety management is enhanced, and management transparency and user credibility are improved.

The utility model relates to the technical field of fishing tackles, and discloses a fishing rod convenient to splice and extend, which comprises a mounting grip, an assembling upright post arranged at the front end of the mounting grip, an additional fishing rod arranged at the front end of the assembling upright post, and a connecting stud fixedly mounted at one end, close to the mounting grip, of the assembling upright post, according to the assembling structure, by arranging the assembling stand columns of the assembling structure, when the equipment is assembled, a certain number of assembling stand columns are selected according to the needed extending length, the multiple assembling stand columns are spliced end to end and then inserted into the front end of the mounting grip, and the assembling stand columns are connected through the connecting inserting grooves. The tail portion of the fishing rod is inserted into the connecting inserting groove formed in the front end of the assembling stand column, the assembling stand column is rotated and locked, then assembling is completed, and the fishing rod can be used in the follow-up process. The multiple assembling stand columns serve as extending components, and the extending length of the installed fishing rod is increased after the multiple assembling stand columns are assembled; the number of freely combined and assembled stand columns is more convenient to use.

The invention discloses a cigarette delivery identification code marking system which comprises a sorting system, a code spraying control system, a detection probe and a code spraying machine. The sorting system is used for sending a user switching signal to the code spraying control system; the code spraying control system is used for sending an identification code to the code spraying machine; the detection probe is used for detecting cigarette cartons on the sorting line; the code spraying machine is used for spraying identification codes to the side ends of the cigarette cartons when the detection probe detects that the cigarette cartons pass through; before the sorting system does not send out the user cutting signal, the code spraying machine sprays the identification code of the same user at the side end of each cigarette carton, when the code spraying control system receives the user cutting signal of the sorting system, the code spraying control system sends the identification code of the next user to the code spraying machine, and the code spraying machine sprays the identification code of the next user at the side end of the subsequent cigarette carton. In the automatic sorting process, the side ends of the cigarette cartons can be subjected to jet printing, and merchant identification codes can be switched, so that even if the cigarette cartons of multiple households are loaded into one turnover box, the cigarette cartons can be quickly identified during delivery.

The application provides a vehicle path optimization method based on a dynamic constraint evaluation strategy multi-objective ant colony algorithm, and aims at a multi-constraint multi-objective vehicle path optimization problem. The application takes the number of vehicle uses and total driving distance as optimization targets, adopts a dynamic constraint evaluation strategy, divides a population into two sub-populations, uses a sub-population with evolution advantages to guide an ant colony to search, improves the convergence of a solution set, designs an evolution strategy based on Gaussian variation to search for a sub-population with strong constraint violation degrees, improves the diversity of optimal solutions, obtains an optimal vehicle path optimization scheme, reduces enterprise transportation costs, and increases logistics distribution benefits.

The invention relates to a traditional Chinese medicine composition, a pharmaceutical composition as well as a preparation method and application thereof, and the traditional Chinese medicine composition comprises the following raw materials in parts by mass: 3-15 parts of glossy privet fruit, 5-15 parts of semen cuscutae, 5-20 parts of semen cassiae, 3-13 parts of pipewort, 2-12 parts of scouring rush, 5-20 parts of radix paeoniae alba, 5-20 parts of radix puerariae and 5-15 parts of dendrobe. The pharmaceutical composition comprises the traditional Chinese medicine composition and nutrients, wherein the nutrients comprise one or more of a grape seed extract, fish oil powder and beta-carotene. After the components in the composition are reasonably combined, the composition has the advantages of being obvious in effect, lasting and stable in action and high in safety when being used for treating xerophthalmia; the traditional Chinese medicine composition can nourish liver and kidney, nourish blood and improve eyesight, clear heat and promote salivation, and regulate the functions of the body on the whole, and also can directly provide nutrient substances for eyes, improve the quality and quantity of tears, relieve eye inflammatory response, significantly relieve the symptom of xerophthalmia, and improve the living quality of patients.

The invention provides a traditional Chinese medicine composition for polycystic ovarian syndrome lipid metabolism disorder and application. The traditional Chinese medicine composition is prepared from the following raw material medicines in parts by weight: 125 to 500 parts of rhizoma atractylodis macrocephalae, 75 to 300 parts of radix bupleuri, 150 to 600 parts of herba artemisiae scopariae, 75 to 300 parts of fructus gardeniae, 125 to 500 parts of fructus citri sarcodactylis, 50 to 200 parts of fried semen ziziphi spinosae, 50 to 200 parts of fructus schizandrae, 75 to 300 parts of herba sedi and 75 to 300 parts of raw liquorice root. The traditional Chinese medicine composition disclosed by the invention is reasonable in proportion, can improve the reproductive function and lipid metabolism disorder of a mouse model with polycystic ovarian syndrome, and can improve the levels of triglyceride, cholesterol, free fatty acid and the like in HepG2 cell supernatant induced by DHT (docosahexaenoic acid). The traditional Chinese medicine composition disclosed by the invention is supported by a solid traditional Chinese medicine gynecologic classic theory and clinical and laboratory data, is definite in clinical curative effect, free of toxic and side effects and safe to take, and can be applied to preparation of medicines for treating polycystic ovarian syndrome lipid metabolism disorder.

The utility model relates to the technical field of biomimetic robots, in particular to a tensegrity biomimetic robot which comprises a first pressing rod, a second pressing rod, a third pressing rod, a fourth pressing rod, a fifth pressing rod, a sixth pressing rod, a plurality of drivers and a controller, the controller is located in the middle of a geometry formed by the pressing rods and electrically connected with the drivers, and inhaul cable assemblies are further installed between the drivers. According to the bionic robot, various forms can be changed, and the adaptability of the bionic robot is improved.

The invention discloses a multi-base-station deformation monitoring data processing method, and relates to the technical field of deformation monitoring, and the method specifically comprises the steps: 1, analyzing a deformation monitoring object, determining a deformation state, and dividing data types according to the deformation monitoring content; 2, noise reduction processing is carried out on the data of multi-base-station deformation monitoring in combination with different noise reduction methods; 3, determining standard state data of the deformation monitoring object based on the structure and material state of the deformation monitoring object; 4, based on the standard state data, analyzing deformation data of multi-base-station deformation monitoring in a current time period, and judging whether a deformation monitoring trend is controllable or not; noise reduction processing is carried out by combining a local mean decomposition method and an empirical mode decomposition method, the influence degree of noise signals on deformation monitoring data is further reduced, layout and number optimization of multiple base stations are achieved through comprehensive analysis of the deformation trend, and comprehensive coverage of a monitoring area and data accuracy are ensured.

The invention discloses an infrared touch point positioning scheme, comprising the following steps: setting the number of scanning directions k and the specific angle of each direction, setting a threshold value t1 of the number of unilaterally blocked light paths, a threshold value t2 of the number of different directions, and a threshold value t3 of the angle of light paths in different directions, performing a frame of scanning, counting the blocked light paths, and if both the X side and the Y side are blocked light paths at the moment, jumping to step S4, otherwise, if only the X side or the Y side is blocked light paths at the moment, the beneficial effects achieved by the invention include: the invention proposes a scheme idea of ​​performing point positioning only according to the X or Y unilateral light paths, and proposes a scheme idea of ​​judging whether to perform point positioning operation according to conditions such as the number of unilaterally blocked light paths and the angle between light paths with different slopes, thereby ensuring the accuracy of the final output point contour and point position, thereby reducing the probability of line breakage in fine pen writing, and at the same time being conducive to reducing the cost of the touch scheme (it can support reducing the number of lamp tubes), thereby achieving the purpose of improving the writing experience.

The utility model provides a battery cell shell and a shell processing device, the battery cell shell comprises a shell body with an opening at one end, the peripheral wall of the shell body is provided with two side wall parts which are oppositely arranged along the thickness direction of a battery cell, and a bulge which is arched outwards is formed on at least one side wall part of the shell body. According to the battery cell shell disclosed by the utility model, the bulge which is arched outwards is formed on at least one side wall part of the battery cell shell, so that limiting and supporting between two adjacent battery cell shells are facilitated, a gap can be formed between two adjacent battery cells, and the contact area between the two adjacent battery cells is reduced, so that heat transfer between the two battery cells is reduced, and the service life of the battery cell shell is prolonged. According to the invention, the thermal runaway influence can be reduced, the heat dissipation effect of the battery cell can be improved, and the bulges are directly formed on the side wall part, so that the number of parts can be reduced, and the assembly efficiency can be improved.

The invention belongs to the technical field of biology, and relates to a pharmaceutical composition containing mesenchymal stem cells and application. By controlling the using time, the medication mode and the dosage of the mesenchymal stem cells and the vitamin D, the synergistic effect of the mesenchymal stem cells and the vitamin D is achieved, the cortical bone mineral density can be effectively improved, meanwhile, the bone trabecula density and the bone trabecula cell density can be improved, and the bone quality is improved. In addition, during formation and distribution of the bone trabecula, the thickness of the bone trabecula, the distance between the bone trabecula and the number of the bone trabecula can be improved, and the biological performance of thighbone and lumbar vertebra bones is effectively improved. According to the technical scheme that the MSC and the RANKL inhibitor are combined for use, the MSC and the RANKL inhibitor have a synergistic effect, various functional indexes of osteoporosis can be comprehensively improved, obviously, the MSC and the RANKL inhibitor are combined for use, the thickness of bone trabecula, the distance between the bone trabecula and the number of the bone trabecula can be effectively improved, the biomechanical property of tibia is effectively improved, and a good reference basis is provided for clinical application.

The invention relates to the technical field of bearing fault diagnosis, in particular to a variable-speed bearing fault diagnosis method based on an improved crown porcupine optimized random forest, and the method comprises the steps: collecting a bearing vibration signal; converting the vibration signal from a time domain signal to an angle domain signal by using COT; searching a modal component and a penalty factor of the VMD by using OCSSA, obtaining an optimal IMF component by using a criterion of minimum envelope entropy, and extracting a fault feature vector; cPO is improved by using Logistic chaotic mapping and a cyclic population reduction technology; the number of decision trees and the depth of the trees of the RF are searched using the improved CPO. The problems that fault features of the variable-speed rolling bearing are not easy to extract, faults are difficult to recognize, and fault diagnosis and classification accuracy of the variable-speed rolling bearing is not high are solved.

The invention discloses a wild termitomyces albuminosus tending method, which belongs to the technical field of fungus cultivation, and comprises the following steps: (1) searching a point location where wild termitomyces albuminosus grows or a region where termites for cultivation move in a region where the altitude does not exceed 2500m and the termites for cultivation live, determining a wild termitomyces albuminosus unearthed point within a range of 0.5-3m from the center or a termite cultivation activity area as a tending point; (2) punching a plurality of pits in the tending points according to the soil thickness condition; putting materials which are fond of the termites for cultivation into the pits; and covering the distribution range of the pits with agricultural and forestry wastes, stacking into a food pile, covering, and managing the food pile and the soil around the tending point. The method solves the problems that existing wild termitomyces albuminosus propagation promotion cannot completely cover all habitats of termitomyces albuminosus, water and soil loss is easily caused, inoculation procedures are complex and the like, and water and soil conservation can be promoted while the yield of the wild termitomyces albuminosus is remarkably increased.

The application discloses a contact type regenerative combustor based on pure ammonia catalysis and a thermoelectric conversion system thereof, and the device comprises a body surrounded by an upper wall surface, a lower wall surface and a side wall surface, and the body is provided with a plurality of splitter plates and a tail gas baffle; the inner surfaces of the upper wall surface and the lower wall surface are coated with a perovskite catalyst layer; the outer sides of the upper wall surface and the lower wall surface are directly attached with thermoelectric modules, and the outer sides of the thermoelectric modules are provided with cooling plates. The application optimizes the flow field and enhances the disturbance through the splitter plates, guides the tail gas to preheat the mixed gas by using the baffle, and reduces the reaction activation energy by using the catalyst to assist combustion; the high-temperature tail gas directly heats the hot end of the thermoelectric module, and the liquid cooling plate maintains the low temperature of the cold end, thereby forming efficient thermoelectric conversion. The application has the advantages of compact structure, high thermal efficiency, effectively widened stable working range of ammonia combustion, and solved problems of small temperature difference, low efficiency and poor combustion stability of ammonia fuel of the existing combustor thermoelectric system.

The utility model belongs to the field of automobile manufacturing, and particularly relates to an integrated new energy air conditioner pipeline. The system comprises an air conditioner high-pressure pipeline, a liquid storage drying tank stop valve assembly, a battery pack high-pressure pipe and an air conditioner host high-pressure pipe, the air conditioner high-pressure pipeline is connected with an automobile compressor and the liquid storage drying tank stop valve assembly, the liquid storage drying tank stop valve assembly is provided with two pipelines, one pipeline is connected to the battery pack high-pressure pipe, and the other pipeline is connected to the battery pack high-pressure pipe. The other pipeline is connected to an air conditioner host high-pressure pipe; stop valves are arranged at two pipeline outlets of the liquid storage drying tank, and the two stop valves are arranged and fixed to the top of the liquid storage drying tank side by side to form an integrated structure with the liquid storage drying tank. Through the integrated design, the number of pipelines is optimized, the number of supports is reduced, the weight is reduced, the cost is reduced, and the assembly complexity and the manufacturing cost are reduced.

The invention relates to the technical field of neurology, in particular to a composition for treating brain injury and neurodegenerative lesion and application thereof, the composition is composed of an antioxidant and an anti-inflammatory drug, the antioxidant comprises vitamins, flavonoids, polysaccharides, saponins and active peptides according to the mass ratio of 4: 3: 1: 4: 2, and the content of the antioxidant is 60-80 parts; the anti-inflammatory drug comprises a non-steroidal anti-inflammatory drug NSAIDs, and the number of the components of the anti-inflammatory drug is 20-40 parts. By utilizing the synergistic effect of various active ingredients, the traditional Chinese medicine composition can comprehensively improve the symptoms of a patient, relieve pain, improve sleep and improve the cognitive function, thereby delaying neurodegenerative diseases and being beneficial to improving the functional state of neurons.

The present invention deals with the composition of Betaglucans and Silymarin - Silybum marianum and one or more Bifidogenic Prebiotics, for use as a nutritional supplement, or nutraceutical, or as a prebiotic, aiming to modulate the neuro-immune-endocrine axis, via protection and preservation of the intestinal epithelium and liver. Having as main objective to provide better quality of sleep. The composition according to the invention comprises the following components: - 1,3 and 1,6 beta-glucans; - Silymarin (Silybum marianum), or its natural or synthetic flavonolignans or flavonoids; and - one or more Bifidogenic Prebiotics.

The invention discloses a valve core structure of an electronic expansion valve, and relates to the technical field of electronic expansion valves, the valve core structure comprises a valve sleeve and a screw rod, a valve needle sleeve is slidably sleeved in the valve sleeve, a top plate is fixedly connected to the top of the valve needle sleeve, the screw rod is arranged on the upper surface of the top plate, a buffer spring is placed in the valve needle sleeve, and the buffer spring is fixedly connected to the top of the valve needle sleeve. The bottom of the valve needle sleeve is fixedly sleeved with a sealing cover, a sleeving hole is formed in the middle of the sealing cover, the sealing cover is slidably sleeved with a valve needle through the sleeving hole, a reset mechanism is arranged on the outer side of the lead screw, and when the lead screw moves up and down, the reset mechanism drives the valve needle sleeve to move up and down along with the lead screw. On the premise of ensuring the functions, not only are the welding steps reduced, but also the number of parts is optimized, the cost is saved, and meanwhile the production efficiency is improved.

The present invention discloses a construction equipment and method for a pier structure wharf project, and relates to the pier structure and its construction technology field; the pier structure comprises: a pier body and a steel frame, the steel frame is located inside the pier body, and the pier body is formed based on concrete pouring; the steel frame comprises: vertical steel bars, a plurality of vertical steel bars are arranged in parallel, horizontal steel bars are welded on the vertical steel bars at equal intervals, the vertical steel bars and the horizontal steel bars are arranged vertically, and a plurality of vertical steel bars and a plurality of horizontal steel bars cooperate to form a skeleton structure. The present invention ensures the strength of the pier body by setting the pier structure, the steel cage and other structures, and when performing the pouring operation, the end of the pouring pipe can be lowered into the steel cage for pouring based on the retracting mechanism, and because the side arm structure and the guide roller are set, the guide roller can be used for guidance during the retracting process, and the end of the pouring pipe can be stably maintained in the middle of the steel cage, thereby improving the reliability of pouring.

The invention relates to an array sensor-based stress field intelligent monitoring device and method, the device comprises a strain gauge, the strain gauge is connected with a detection box, the detection box comprises a box body, and a communication module, a power supply module, a processing module, a storage module and a data acquisition module which are arranged at the bottom of the box body, and the box body is also internally provided with a storage module; the communication module is used for being wirelessly connected with a mobile phone and a computer mobile terminal to realize wireless data transmission; the power supply module is used for supplying power to the detection device; the control module is used for receiving data of the strain gauges and performing real-time alarm when the damage level exceeds a threshold value through data processing; the storage module is used for realizing data storage; the data acquisition module is used for acquiring strain data and converting the strain data into stress data. The stress detection device is simple in structure, comprehensive in function and capable of working independently, and real-time monitoring, intelligent data processing, data storage, remote transmission and danger early warning of a local dangerous area are achieved through a single monitoring device.

The invention relates to a display apparatus and a near-to-eye display device. The device comprises a processing control chip used for sending a control instruction; the display sensing chip comprises a display area and a sensing area which are alternately arranged, and the display area is used for displaying virtual reality / augmented reality content; the invisible light emitter is installed on the peripheral side of the display sensing chip and used for emitting invisible light according to the control instruction; the sensing area is used for receiving reflected invisible reflected light and capturing an eye image of an operation body; the processing control chip is also used for analyzing the received invisible reflected light and the received eye image, and determining an adjustment behavior and a target position of the display area corresponding to the adjustment behavior; the display area is further used for displaying the virtual reality / augmented reality content at the target position according to the adjustment behavior. The size of the near-to-eye display device is reduced, and the portability of the near-to-eye display device is improved.