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585results about How to "Reduce material costs" patented technology

Smart home energy management optimization method in Internet of Things environment

The invention discloses a smart home energy management optimization method in an Internet of Things environment. According to the method, the Internet of Things technology is utilized, intelligent identification and classified management are carried out on equipment, multiple energy management strategies are preset, and a user can conveniently and autonomously adjust; energy data is monitored in real time through a sensor and an intelligent electric meter, an energy consumption rule is mined by using a big data analysis technology, and a demand trend is predicted; constructing an intelligent energy dispatching center, and formulating a dynamic energy distribution scheme by using an optimization algorithm; a mobile phone application and an intelligent control panel are developed, and a user is supported to check data, control equipment and carry out personalized customization; and meanwhile, equipment firmware upgrading and remote management are realized. According to the invention, energy consumption can be reduced, cost can be controlled, equipment collaboration and energy distribution efficiency can be improved, user experience can be enhanced, system maintenance and upgrading are facilitated, and intelligent household energy management is more efficient, intelligent and flexible so as to adapt to diversified household requirements.
Owner:CHENGDU LANGZE CHUANGZHI TECHNOLOGY CO LTD

Construction method for governing and repairing desertification degraded grassland in arid area

The invention discloses a construction method for governing and repairing desertification degraded grassland in an arid area, and relates to the technical field of sand governing. The method comprises the following steps: evaluating a native vegetation type, vegetation coverage, a soil degradation and desertification degree, a soil type and a water resource condition; performing classified measures according to natural conditions, and determining different types of dune (flowing, fixed or semi-fixed) treatment measures; construction preparation; grid sand barriers are laid on the windward sides of the moving dunes and the semi-fixed dunes, and sand stabilization operation is conducted in a mechanical and manual combined mode; digging pits to plant indigenous shrubs subjected to special treatment, and using rooting water retention bags to improve the survival rate; the granular organic fertilizer and the seeds are mixed and stirred according to a certain proportion and then sown into soil at a time, the operation frequency is reduced, and precise fertilization is achieved. Through effective sand prevention and control measures, the sand wind damage is reduced, the living environment of farmers and herdsmen is protected, and the living quality is improved.
Owner:INNER MONGOLIA TAIWEI ECOLOGICAL TECH CO LTD +1

Wide-temperature high-precision optical acceleration sensitive chip and sensor based on microcavity interferometer principle and manufacturing method of wide-temperature high-precision optical acceleration sensitive chip and sensor

The invention relates to a wide-temperature high-precision optical acceleration sensitive chip and sensor based on a microcavity interferometer principle and a manufacturing method thereof, the wide-temperature high-precision optical acceleration sensitive chip comprises a first substrate, a second substrate and a third substrate, an optical fiber mounting seat and a light through hole are formed on the first substrate, a beam structure and an inertial mass block are processed on the second substrate, and the beam structure is arranged on the third substrate. The first substrate, the second substrate and the third substrate are all made of double-polished super-flat silicon wafers, a single-mode optical fiber assembly is fixed to the optical fiber installation base, the end face of the single-mode optical fiber assembly is subjected to precise grinding and is perpendicular to the axial direction of an optical fiber core, and a first cavity mirror is formed by means of the end face of the side, facing the light through hole, of the inertial mass block. A second cavity mirror is formed on the end face of the single-mode optical fiber assembly, the first cavity mirror and the second cavity mirror form an F-P interference cavity, and the first substrate, the second substrate and the third substrate are connected through the silicon-silicon bonding technology.
Owner:SHANGHAI BAIANTEK SENSING TECH CO LTD +1

Cable with liquid cooling heat dissipation function

The invention discloses a cable with a liquid cooling heat dissipation function. The cable comprises a closed cable section, an input cable section and an output cable section, the closed cable section is a completely-sealed cable section and is mainly used for liquid cooling heat dissipation of the cable; the input cable section is mainly used for transition connection between a power supply end and the closed cable section; and the output cable section is mainly used for transition connection between the closed cable section and a power utilization end. Through the synergistic effect of the insulating liquid cooling oil, the annular cooling fins, the complete through holes, the one-way through holes and the like, heat generated by operation of the cable can be rapidly absorbed and dissipated, local overheating is avoided, stable operation of the cable is ensured, and the heat dissipation efficiency is improved; compared with a mode of additionally arranging a spiral metal tube on the whole cable, the material and transportation cost is reduced, and the flexibility is not sacrificed; the high-quality material selection and the reasonable structural design ensure the electrical insulation performance, reduce the faults caused by the heat dissipation problem, and prolong the service life of the cable.
Owner:JIANGSU GANGTONG CABLE

Dry-type brain electrode and electroencephalogram cap

The utility model relates to the technical field of electroencephalogram acquisition equipment, in particular to a dry type brain electrode and an electroencephalogram cap. The dry type brain electrode comprises an electrode needle and a base used for loading the electrode needle. The base is used for being installed on the wearable device. The base is provided with an assembling end face used for installing the electrode needle. And a conductive circuit is arranged in the base. The conductive circuit is connected with the electrode needle. And the plurality of electrode needles are circularly arranged on the assembly end face along the center line of the base to form a detection unit. The electrode needle comprises a connection section and a detection section which are connected in sequence. The connecting section is connected with the assembling end face of the base. The cross-sectional area of the detection section is smaller than that of the connection section. According to the dry type brain electrode, the multiple electrode needles are loaded on the base, the electrode needles penetrate through the hair of the head of the human body, the end of the detection section is made to make contact with the scalp surface, and therefore the function of collecting electroencephalogram signals is achieved, the reliability of contact between the detection section and the epidermis of the head is improved, and the stability of electroencephalogram signal collection is improved.
Owner:SHANGHAI SHULI INTELLIGENT TECH CO LTD

High-toughness high-temperature-resistant Al-Si-Cu-Mg series aluminum alloy as well as preparation method and application thereof

The invention provides a high-toughness and high-temperature-resistant Al-Si-Cu-Mg series aluminum alloy as well as a preparation method and application thereof. The Al-Si-Cu-Mg series aluminum alloy is prepared from the following components in parts by weight: 6.5 to 9 parts of Si, less than or equal to 0.2 part of Fe, 1.5 to 3.5 parts of Cu, 0.1 to 0.5 part of Mn, 0.2 to 0.8 part of Mg, 0.05 to 0.2 part of Ti, 0 to 0.1 part of Sr, 0 to 0.2 part of Re, 100 parts in total, and the balance of Al. The preparation method comprises the following steps: (1) burdening according to the ratio, preheating and drying the raw materials, sequentially adding the raw materials into smelting equipment, and heating and melting to obtain an alloy melt; (2) refining and modifying the alloy melt; (3) the refined alloy melt is subjected to forming machining, and an aluminum alloy blank product is obtained; and (4) the aluminum alloy blank product is subjected to T6 heat treatment, and the aluminum alloy is obtained. The aluminum alloy material with high mechanical property and high-temperature-resistant stability can be obtained by only adopting an Al-Si-Cu-Mg'vegetarizing 'formula without adding various trace elements and without redesigning and adjusting a production process, and the aluminum alloy material is simple in process, low in cost and particularly suitable for large-scale industrial production.
Owner:GUANGXI YUCHAI MASCH CO LTD

Manufacturing method of photovoltaic module

The embodiment of the invention relates to the technical field of photovoltaic, and provides a manufacturing method of a photovoltaic module, which is at least beneficial to improving the reliability of the photovoltaic module. The manufacturing method comprises the steps that a first adhesive film layer and a second adhesive film layer are laid on a first cover plate, the first adhesive film layer covers the surface of the first cover plate, the second adhesive film layer is located on the first adhesive film layer, the second adhesive film layer is provided with a plurality of hollowed-out parts arranged in the first direction, and the hollowed-out parts and the first adhesive film layer define a containing groove; the thickness of the first adhesive film layer is greater than that of the second adhesive film layer; battery pieces are laid, the multiple battery pieces are in one-to-one correspondence with the containing grooves, and the adjacent battery pieces are sequentially connected through interconnection parts; laying a third adhesive film layer and a second cover plate on the battery piece to form a to-be-laminated piece; and laminating the to-be-laminated piece.
Owner:JINKO SOLAR CO LTD +1

Deep V-shaped ceramic matrix composite component forming device and forming method

The invention provides a deep V-shaped ceramic matrix composite component forming device and method. The forming device comprises a bottom die, an outer die and an inner die. The outer die is connected to the bottom die; the inner mold is connected to the bottom mold, and the bottom mold, the outer mold and the inner mold are encircled to form a cavity for forming the deep V-shaped ceramic matrix composite component; wherein the inner die comprises a V-shaped main body die and a plurality of small-section dies connected to the V-shaped main body die, the plurality of small-section dies are arranged in the narrow opening position and are sequentially connected in the length direction, and the plurality of small-section dies are provided with die drawing angles in the length direction. The deep V-shaped ceramic matrix composite component can be formed and prepared, and demolding is convenient.
Owner:AVIC BEIJING AERONAUTICAL MFG TECH RES INST

Hybrid thermal management system and hybrid tractor

The invention discloses a hybrid thermal management system and a hybrid tractor, and the hybrid thermal management system comprises a cabin air conditioner thermal management loop, an electric drive thermal management loop and an engine thermal management loop, an air conditioner condenser of the air conditioner heat management loop, an electric drive radiator of the electric drive heat management loop and an engine radiator assembly of the engine heat management loop are sequentially arranged side by side on the chassis in the horizontal direction, and the engine radiator assembly is provided with a shared first cooling fan deviating from the electric drive radiator. According to the hybrid power thermal management system, the radiators are arranged in a centralized mode, the structure is more compact, the utilization rate of the space in a vehicle can be increased, the number of cooling fans is reduced, and the material cost of the system is reduced.
Owner:HENAN RICHUANG GENERAL MACHINERY MFR

Unmanned aerial vehicle knocking deicing method and system

The invention provides an unmanned aerial vehicle knocking deicing method and system, and relates to the field of unmanned aerial vehicle deicing, and the method comprises the steps: S1, obtaining the icing state of a power transmission line through a monitoring system, if the icing state is that deicing is needed, entering a step S2, and otherwise, repeating the step S1; s2, acquiring icing data of the power transmission line through the monitoring system, and setting deicing parameters, deicing paths and wiring modes of the deicing unmanned aerial vehicle according to the icing data; s3, the control system controls the deicing unmanned aerial vehicle to conduct deicing operation on the power transmission line according to the deicing parameters, the deicing path and the wiring mode, if the deicing operation is completed, the step S1 is executed again, and if not, the step S3 is repeated. The unmanned aerial vehicle is adopted to suspend the impact rod for deicing, so that the deicing efficiency is greatly improved, the safety risk is remarkably reduced, and the applicability is greatly enhanced.
Owner:STATE GRID HUBEI EXTRA HIGH VOLTAGE CO +1

Electric excavator cabin arrangement structure and electric excavator

The utility model relates to the technical field of electric excavators, and discloses an electric excavator cabin arrangement structure and an electric excavator, and the electric excavator cabin arrangement structure comprises a mounting platform. The installation platform is divided into a first installation area and a second installation area which are adjacent in the length direction of the installation platform, the first installation area and the second installation area extend in the width direction of the installation platform, and the second installation area is divided into an upper layer and a lower layer which are arranged up and down; a hydraulic main valve, a rotary motor and a controller are installed in the first installation area in the width direction of the installation platform, and a storage battery is installed on the side, away from the second installation area, of the first installation area. In the width direction of the mounting platform, a hydraulic main pump, a motor and a heat dissipation mechanism are mounted on the lower layer of the second mounting area, and a hydraulic oil tank and a battery pack are mounted on the upper layer of the second mounting area. The arrangement space of the cabin is optimized, the structure is compact, and the space utilization rate is improved.
Owner:SANY HEAVY MACHINERY

Intelligent regulation and control method and system for resistance welding process parameters of junction box

The invention relates to the technical field of intelligent monitoring, regulation and control of welding process parameters, and particularly discloses an intelligent regulation and control method and system for resistance welding process parameters of a junction box. Abnormal pressure applying links in the welding process are recognized, and the low-risk pressure applying process is extracted for welding; after welding is completed, the strength and size indexes of welding spots are evaluated through welding spot quality detection, the welding spot quality deviation coefficient is calculated, and whether the welding quality reaches the standard or not is judged; and for the welding spots with unqualified welding quality, the system calculates the adjustment direction and range of the pressure parameters through an optimization algorithm, test welding is conducted according to the optimized parameters, and the improvement effect of the pressure applying process is verified in real time till the welding spot quality meets the preset standard.
Owner:SHANDONG OULIS NEW MATERIAL TECH CO LTD

Intelligent graph auditing method and device based on knowledge graph

The invention provides an intelligent graph auditing method and device based on a knowledge graph, and the method comprises the steps: carrying out the analysis of a to-be-audited engineering drawing in the field of rail transit, obtaining to-be-audited information in the engineering drawing, and enabling the to-be-audited information to comprise a graph, a character, and a corresponding relation between the graph and the character; based on the rail transit knowledge graph and the to-be-audited information, performing drawing audit on the engineering drawing to obtain a drawing audit result of the engineering drawing; the rail transit knowledge graph is constructed based on expert drawing checking experience in the field of rail transit and engineering execution standards and / or engineering drawing specifications, the defects that in a traditional scheme, manual drawing checking is long in period and low in efficiency, and a universal drawing checking method is not suitable for drawings in the field of rail transit and is poor in drawing checking effect are overcome, and the drawing checking efficiency is improved. The accuracy and effectiveness of drawing checking are guaranteed, the drawing checking efficiency is greatly improved, and a guarantee is provided for the safety and quality of engineering construction in the field of rail transit.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Back contact battery with multi-layer gradient textured structure and manufacturing method and application thereof

ActiveCN119451314Aincrease the areaReduce compound rateElectrical batteryMechanical engineering
The invention belongs to the technical field of back contact cells, and particularly relates to a back contact cell with a multi-layer gradient textured structure and a manufacturing method and application of the back contact cell. A second semiconductor opening region further comprises a first platform region and a second platform region which are sequentially arranged from the edge to a non-transition region in the width direction; the first slope area is arranged between the first platform area and the second platform area; the second slope area is arranged between the second platform area and the non-transition area; wherein the first platform area is a polished surface, the second platform area is a pyramid suede surface, the heights of the first platform area, the second platform area and the non-transition area are gradually reduced, and the first platform area, the first inclined surface area, the second platform area, the second inclined surface area and the non-transition area continuously form a multi-layer gradient suede surface structure. According to the invention, the situation that the second semiconductor layer in the second semiconductor opening region cannot well coat the surface and the side surface due to a relatively large height difference can be avoided, and the carrier recombination rate at the boundary is reduced, so that the open-circuit voltage and the cell conversion efficiency are improved.
Owner:GOLDEN SOLAR (QUANZHOU) NEW ENERGY TECH CO LTD

Long-chain alkane online analysis method and system based on comprehensive two-dimensional gas chromatography and aerosol thermal desorption analyzer

The invention belongs to the field of long-chain alkane online analysis systems, and discloses a long-chain alkane online analysis method and system based on comprehensive two-dimensional gas chromatography and an aerosol thermal desorption analyzer. The method comprises the following steps: during sampling, sucking ambient air through a cyclone separator with a PM2.5 cutting head, then removing gas-phase organic matters through a multi-channel carbon remover, and then intensively collecting particulate matters to a thermal desorption unit (CTD); the analyte after thermal desorption is re-concentrated into a focusing trap (FT) at 45 DEG C; starting separation and analysis of GC * GC-MS (gas chromatography-mass spectrometry); and the separated compound enters a mass spectrometer for mass spectrometry. According to the method, the total time from pollutant collection to analysis is controlled within two hours, and the change characteristics of long-chain alkane in the generation and elimination process of a pollution event can be effectively captured.
Owner:SHANGHAI UNIV

Auxiliary mounting equipment for assembly type laminated slab

The utility model belongs to the technical field of building construction, and particularly relates to auxiliary mounting equipment for an assembly type laminated slab, which is characterized in that a support frame group is matched with a hydraulic rod, so that when the laminated slab is mounted, the laminated slab can be positioned in an auxiliary manner, and is prevented from shaking; by means of the sliding plate capable of sliding left and right and the sliding block capable of sliding front and back, a worker can better align the laminated plate, meanwhile, the worker can directly control the laminated plate, the operation process is simplified, the use safety is improved, the supporting frame set can be better matched with a proper fixing position at an installation position through the design of the supporting shell and the inner rod, and the working efficiency is improved. The design that handles are installed at the two ends of the long lead screw and the two ends of the short lead screw enables workers to conveniently operate displacement of the laminated plate around equipment, the use convenience is improved, manufacturing materials and manufacturing cost can be effectively reduced due to the arrangement of the hollowed-out grooves, meanwhile, the equipment quality is reduced, and a certain energy-saving effect is achieved.
Owner:CHONGQING KANGSHENG SUPERVISION CONSULTING CO LTD

Waste steel crushing and recycling device and method

The invention relates to the technical field of scrap steel crushing and recycling, and provides a scrap steel crushing and recycling device and method, the scrap steel crushing and recycling device is used for scrap steel crushing, the scrap steel crushing and recycling device comprises a shell, a feeding port, a discharging port and a crushing cavity are formed in the shell, the feeding port and the discharging port are both communicated with the crushing cavity, and a mounting port is further formed in the top of the shell; the crushing hammer is rotationally arranged in the crushing cavity and is used for crushing waste steel; the mounting frame is rotationally arranged on the mounting opening and is provided with a plurality of mounting grooves; the multiple lining plates are arranged in the mounting groove, one ends of the lining plates are located in the crushing cavity, the crushing hammer knocks the waste steel to make the waste steel make contact with the lining plates, and after the mounting frame is overturned, the other ends of the lining plates are located in the crushing cavity. According to the technical scheme, the problem that a lining plate in a hammer crusher in the prior art is continuously hit by scrap steel, is easy to wear and needs to be frequently replaced is solved.
Owner:邯郸弘远再生资源回收股份有限公司

Flexible circuit board based on pure addition method and manufacturing method thereof

The invention discloses a flexible circuit board based on a pure addition method and a manufacturing method thereof. The method comprises the following steps: providing a substrate insulating layer; printing a first conductive layer on one side of the substrate insulating layer according to preset circuit design data to form a semi-finished flexible circuit board; and printing a first protective layer on the first conductive layer of the semi-finished flexible circuit board to obtain a target flexible circuit board. According to the manufacturing method, circuit manufacturing and protective film manufacturing are both achieved through a pure addition method, material reduction of an original base material is avoided, materials such as a dry film or liquid medicine influencing the environment are not applied, damage to the environment can be effectively reduced, and cost can be effectively reduced.
Owner:MFLEX YANCHENG CO LTD

Stator assembly

The invention provides a stator assembly, which comprises a plurality of winding assemblies and a shell, and is characterized in that the plurality of winding assemblies are arranged in an annular array, and each winding assembly comprises stator teeth and a winding coil sleeving the stator teeth; the shell comprises two end plates and a side wall arranged between the two end plates, and the stator teeth are installed between the two end plates; the stator assembly further comprises a first cooling part and a second cooling part, the first cooling part comprises a liquid inlet and a liquid outlet which are formed in the shell, a flowing gap is formed between the adjacent winding assemblies or between the winding assemblies and the shell, and the liquid inlet is communicated with the liquid outlet through the flowing gap; a portion of the second cooling member is proximate to the winding assembly and disposed within the flow gap. On the basis of oil cooling, the second cooling component is additionally arranged, and the part with poor cooling effect or special cooling requirement in the oil cooling channel is subjected to supplementary cooling, so that the cooling effect is more excellent than that in the prior art.
Owner:SHANGHAI PANGOOD POWER TECH CO LTD

Method, device and equipment for monitoring and supervising supplied and unused land in normalized mode

The invention relates to a method, a device and equipment for monitoring and supervising supplied and unused land in a normalized mode, and relates to the technical field of natural resource management, the method comprises the following steps: determining supplied land to be monitored, obtaining supplied land red line vector data, supplied land project business materials and multi-source image data of the supplied land, and according to the multi-source image data, determining the supplied land to be monitored according to the supplied land red line vector data, the supplied land project business materials and the multi-source image data; and performing classification monitoring processing by combining the supply land red line vector data and supply land project business materials to obtain a working condition classification state and associated monitoring data of the supplied land, and performing change monitoring on the working condition classification state and the associated monitoring data by using a preset supply and unused land change monitoring model according to a normalized supervision mechanism. According to the method, the land monitoring result of the supplied land is obtained, and the long-time-sequence tracking and active monitoring of the land development and utilization state are realized through the intelligent identification of the land working condition and the timely monitoring of the land development and utilization change, so that the timeliness and authenticity of the supervision information are improved.
Owner:SURVEYING & MAPPING INST LANDS & RESOURCE DEPT OF GUANGDONG PROVINCE

Solid-liquid composite self-lubricating bearing with supporting frame and preparation method of solid-liquid composite self-lubricating bearing

The invention relates to a solid-liquid composite self-lubricating bearing with a supporting framework and a preparation method thereof.The solid-liquid composite self-lubricating bearing comprises an inner-layer supporting framework, an outer-side supporting layer, a porous-structure oil storage layer and an inner-side structural layer, the outer-side supporting layer is arranged on the outer side of the porous-structure layer in a sleeving mode, and the inner-layer supporting framework and the inner-side structural layer are arranged on the inner side of the porous-structure layer in a sleeving mode; a solid lubricant is arranged on the inner-layer supporting frame, and the inner-side structural layer is a porous structural layer. The solid embedded self-lubricating bearing has the characteristics of oil storage and self-circulation lubrication of the oil-retaining bearing, and also has the characteristics of high bearing capacity, impact resistance and the like of the solid embedded self-lubricating bearing.
Owner:FUZHOU UNIV +1

Online burr detection and ultrasonic dust removal laser die-cutting machine

The invention discloses a laser die-cutting machine with online burr detection and ultrasonic dust removal functions. The device sequentially comprises an unwinding assembly, a flattening roller assembly, a tape connecting platform assembly, a tension detection assembly, a tension swing roller assembly, a reinforcing rib mechanism, a die-cutting front and back CCD defect detection assembly, a die-cutting front advancing deviation correction assembly, a die-cutting front advancing deviation correction detection assembly, a laser length measurement assembly, a laser assembly, a tab air knife dust removal assembly and an A face CCD defect detection assembly from unwinding to winding. The device comprises a main driving assembly, a tab CCD size detection assembly, a before-slitting advancing deviation correction assembly, a before-slitting advancing deviation correction detection assembly, a slitting assembly, a B-face CCD flaw detection assembly, a brush dust removal assembly, an ultrasonic edge washing and dust removal assembly, a burr detection assembly, an ultrasonic face washing and dust removal assembly, an iron removal assembly, a rolling tension detection assembly, a defective labeling assembly and a rolling assembly. A rolling pressing wheel assembly, a kraft paper roll assembly and a rolling pushing assembly. According to the invention, online burr detection and efficient dust removal can be realized.
Owner:HUIZHOU YAKANG PRECISION MACHINERY CO LTD

Electrolytic bath

The invention belongs to the technical field of water electrolysis hydrogen production, and particularly relates to an electrolytic bath. Comprising a sealing piece, an electrode I, a diaphragm, an electrode II and bipolar plates, the two bipolar plates are connected in a sealed mode through the sealing piece, the diaphragm is arranged between the two bipolar plates, two reaction chambers are formed in the two sides of the diaphragm respectively, the electrode I and the electrode II are arranged in the two reaction chambers respectively, and a liquid inlet and a liquid outlet are formed in each bipolar plate; a liquid inlet channel and a liquid outlet channel which are used for communicating the reaction chamber with the liquid inlet and the liquid outlet are formed in the sealing piece. The bipolar plate and the pole frame are combined into one machined part, so that the welding procedure of the pole frame and the polar plate is omitted; and meanwhile, a thick pole frame is not used, so that the material cost and the processing cost of the pole frame are greatly reduced.
Owner:DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

Optimization design method of multi-winding regulation and control transformer for flexible interconnection

The invention relates to an optimization design method of a multi-winding regulation and control transformer for flexible interconnection, which comprises the following steps: 1, according to a single-target optimization design mathematical model, constructing an optimization target function with the purpose of minimizing the sum of the material cost of the multi-winding transformer and the ten-year operation cost; 2, determining required constraint conditions according to basic electrical parameters of the multi-winding regulation and control transformer for flexible interconnection; under the action of the obtained optimization objective function, punishing a trend violating constraints by adopting a punishment function, so that non-constraint optimization is gradually close to a feasible region, a constraint optimization problem of the distribution transformer is adjusted into an unconstraint optimization problem, and an optimization design model of the amplitude-phase adjustment type multi-winding transformer for flexible interconnection is obtained; and 3, solving the optimal design model, obtained in the step 2, of the multi-winding regulation and control transformer for flexible interconnection by using a particle swarm optimization algorithm. According to the method, the local optimal solution and the global optimal solution of the individual can be solved, and higher solution precision can be obtained.
Owner:STATE GRID TIANJIN ELECTRIC POWER COMPANY +1

Production equipment for box-grown hormone-free soybean sprouts

The utility model relates to the technical field of soybean sprout production, in particular to hormone-free boxed soybean sprout production equipment which comprises a box body, independent sprout breeding bins are arranged on the two sides of the box body, two hinged doors are arranged on the outer sides of the sprout breeding bins, and a plurality of groups of shower nozzles are arranged on the outer surfaces of the top ends of the sprout breeding bins. A water tank is arranged at the middle end of the box body, a receipt device is arranged in the water tank, a single door is arranged on the outer side of the water tank, a controller is arranged on the outer surface of the single door, the whole production process of the automatic production device is automatically controlled and managed through the programmed controller, and complex manual operation and technical requirements are not needed. The intelligent and automatic production mode not only improves the production efficiency and accuracy, but also reduces the technical requirements on operators. The operation is simple, the production process is more convenient and efficient, and the influence and interference of human factors on production are reduced.
Owner:GUOYANG DINGHUI FOOD CO LTD

Device and method for measuring actual occurrence and thickness of field stratum

ActiveCN119666063AHigh measurement accuracyincrease operational difficultyIncline measurementAlcoholMechanical engineering
The invention discloses a device and method for measuring the actual occurrence and thickness of a field stratum. The device comprises a direction measuring disc and a transparent ball installed in the direction measuring disc. The angle measuring disc is installed on the disc face of the direction measuring disc through the rotating connecting disc and can freely rotate around the center position of the direction measuring disc, the inclined measuring column is installed on the rotating connecting disc through the measuring column fixing rotating button, and the lower end of the inclined measuring column can rotate around the measuring column fixing rotating button. The inclined measuring column and the angle measuring disc can rotate synchronously; the alcohol-ethyl ether mixed solution is arranged in the inclined measuring column, a horizontal marker line is arranged along the longitudinal center position of the inclined measuring column, a vertical marker line is arranged along the transverse center position of the inclined measuring column, and the compass is arranged at the top end of the inclined measuring column; according to the invention, the measurement precision of stratum attitude parameters is improved, and the operation difficulty of attitude measurement in a complex environment can be obviously improved.
Owner:OIL & GAS SURVEY CGS

Geothermal extraction system based on deep abandoned roadway and construction method thereof

The invention discloses a geothermal extraction system based on a deep abandoned roadway and a construction method of the geothermal extraction system. The geothermal extraction system based on the deep abandoned roadway comprises a plugging material, a high-temperature water pipeline, a heat pump unit, a low-temperature water pipeline and an inclined drill hole, the heat pump unit is located on the ground or in a shallow underground space, the construction area of the heat pump unit is located above the deep abandoned roadway, and a shallow underground water layer is located above the deep abandoned roadway; the construction method of the geothermal extraction system based on the deep abandoned roadway specifically comprises the steps of drilling an inclined drill hole, blocking the deep abandoned roadway and laying a pipeline. According to the scheme, shallow groundwater and deep surrounding rock are thermally combined, the shallow groundwater is used as a medium, and heat exchange is completed between a deep abandoned roadway and the surrounding rock; compared with a traditional geothermal well, according to the scheme, an original deep abandoned roadway is utilized, the working procedures of deep well drilling, hole fixing, drilling and pipe lowering and the like do not need to be conducted, and the construction cost of the deep geothermal well is reduced.
Owner:MCC SHENKAN ENG TECH CO LTD

Crankshaft surface plasma heat treatment method and heat treatment system based on same

The invention discloses a crankshaft surface heat treatment method and a heat treatment system based on the crankshaft surface heat treatment method. The crankshaft surface heat treatment method comprises the steps that a crankshaft is clamped on a rotary positioner; the surface of the crankshaft is sequentially divided into a plurality of stages of annular heat treatment areas from front to back in the axis direction, and each stage of annular heat treatment area is provided with a plurality of heat treatment sites avoiding holes in the surface of the crankshaft at intervals in the circumferential direction of the crankshaft; naturally sequencing the heat treatment sites; planning point position moving tracks of the crankshaft and the anode nozzle; and intermittent pulse voltage is applied between the crankshaft and the anode spray head, and heat cycle treatment is conducted on all the heat treatment sites on the crankshaft in sequence according to the sequence machining numbers of the heat treatment sites. The method has the beneficial effects that an electrolyte plasma surface heat treatment technology is combined with a plasma heat treatment method, heat treatment of a workpiece can be rapidly achieved under the condition of low energy consumption, crankshaft deformation is effectively reduced, secondary machining is avoided, recyclable electrolyte is adopted for cooling, and cost is saved.
Owner:浙江巴顿焊接技术研究院

Assembling structure and fixing method of ALC (autoclaved lightweight concrete) internal partition wall board and concrete wall

The invention provides an assembly structure of an ALC internal partition wall board and a concrete wall. The ALC inner partition wall board is fixed to the concrete wall body through the fixing assembly. A seat body in the fixing assembly is fixed to a concrete wall through a positioning nail, a first wire penetrating hole is formed in a fixing clamping plate, an inclined hole communicated with the middle of the first wire penetrating hole is further formed in the rear side wall of the fixing clamping plate, and a clamping spring and a steel ball are arranged in the inclined hole. In this way, the stability of the ALC inner partition wall board and the concrete wall body can be improved, and vertical cracks at the position are reduced. The invention further provides a fixing method of the ALC internal partition wall board and the concrete wall. The fixing method comprises the following steps that the ALC internal partition wall board is embedded between the two spaced concrete wall bodies; a tensioning steel wire of the fixing assembly sequentially penetrates through a second wire penetrating hole of the movable clamping plate, a third wire penetrating hole corresponding to the ALC inner partition wall board and a first wire penetrating hole of the fixing clamping plate, the tail end of the tensioning steel wire is tensioned, and the connecting stability of the ALC inner partition wall board and a concrete wall is remarkably improved through the fixing clamping base and the multiple positioning nails.
Owner:ANHUI WATER CONSERVANCY DEV CO LTD

Portable noodle maker

ActiveCN222603563Ureduce volumeStructure sheetDough mixing/kneading machinesDough extruding machinesElectric machineryProcess engineering
The utility model discloses a portable noodle maker which comprises a maker body and a die head, a stirring cavity and a noodle extruding cavity are arranged in the maker body, the die head is arranged at an opening above the noodle extruding cavity, a noodle making component driven by a motor is arranged in the stirring cavity and the noodle extruding cavity, and the noodle making component is provided with a stirring part and an extruding part; when the noodle maker is vertically placed in the forward direction or obliquely placed in the forward direction relative to the vertical direction to enable the die head to face upwards, raw materials for making noodles fall into the stirring cavity under the action of gravity and are stirred by the stirring part to form dough; when the noodle maker is reversely and vertically placed or reversely and obliquely placed relative to the vertical direction to enable the die head to face downwards, dough stirred by the stirring part enters the dough extruding cavity under the action of gravity, and the dough is extruded by the extruding part in the dough extruding cavity and is discharged downwards through the die head. The noodle maker has the advantages of being small in size, light, simple in structure, low in material cost and production cost, and convenient to carry and clean.
Owner:FOSHAN FENGLIN ELECTRICAL TECH CO LTD