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317results about How to "Not affected by the weather" patented technology

Resistivity monitoring method and apparatus for sea floor erosion/deposition dynamic process

The invention relates to a specific resistance monitoring device used in a seabed erosion-deposition dynamic process, which comprises a detecting sensing device, an automatic control recording device and an outer shell thereof, and is characterized in that a plurality of electrodes fixed on an outer wall of a PVC pipe in an equidistant manner are arranged on the detecting sensing device; in the PVC pipe, a lead penetrates through the wall of the PVC pipe and leads the electrodes into the automatic control recording device; a force bearing shaft passes through the outer shell of the automatic control recording device and an axle wire of the PVC pipe, is connected with a conical head on the bottom of the PVC pipe, and is fixed on the top of the outer shell of the automatic control recording device through a shim block and a nut in a sealing manner; and the automatic control recording device comprises an electrode switch control module, a data acquisition module, a microprocessor, a USB mass storage, a battery and a clock module. The real-time, long-term and continuous monitoring on the seabed erosion-deposition dynamic changing process can be realized; and the specific resistance monitoring device is especially suitable for the monitoring on the seabed erosion-deposition dynamic process in common oceanic conditions and extreme oceanic conditions.
Owner:OCEAN UNIV OF CHINA

Ultrahigh voltage transmission lines hardware corona test method based on ultraviolet imagery technology

An extra high voltage transmission line hardware corona test method based on the ultraviolet imaging technology is characterized in that: an ultraviolet imaging apparatus working in a wave band from 240nm to 280nm is adopted to shoot at a horizontal distance of 10-20 meters from a tested object; the voltage is applied according to GB / T2317.2-2000 Corona and RIV tests for electric power fittings, and the voltage applied on a sample is gradually increased during the test until the sample corona is produced and kept for 4-6 minutes, and the voltage is recorded as a corona starting voltage; then the voltage applied on the sample is gradually reduced until the corona on the sample disappears, the state is kept for 4-6 minutes, and the voltage is recorded as a corona extinction voltage; the steps are repeated for a plurality of times, and the average values are respectively taken as the corona starting voltage and the corona extinction voltage of the tested object. The extra high voltage line hardware corona test method which can effectively observe the corona of the extra high voltage transmission line and hardware with the results capable of guiding the pattern selection and design of extra high voltage hardware has great engineering application significance and economic value.
Owner:STATE GRID ELECTRIC POWER RES INST

Composting reactor

The invention relates to a composting reactor for organic solid waste composting production, which comprises a reactor frame, a closed reaction chamber, a charging device, an aeration and stirring system and a biological filter tank, wherein the closed reaction chamber is installed on the reactor frame and provided with a feed port; the charging device is positioned on one side of the closed reaction chamber, arranged relative to the feed port, and used for delivering an organic solid waste raw material into the closed reaction chamber; the aeration and stirring system is partially installed in the closed reaction chamber, and comprises a stirring device and an aerator which are connected with each other; the stirring device is used for slowly and intermittently stirring the organic solid waste raw material which is delivered into the closed reaction chamber; the aerator is used for delivering fresh air to the inside of the organic solid waste to accelerate the aerobic fermentation; and the biological filter tank is communicated with the closed reaction chamber through an induced draft fan, and used for further treating tail gas generated in the organic solid waste aerobic fermentation process. The composting reactor has the advantages of compact structure, high efficiency, energy saving, no odor pollution in the treatment process, and high automation degree.
Owner:MAE WELLFUL IND

Vehicle-mounted vehicle driving deviation detection apparatus and detection method

The invention discloses a vehicle-mounted vehicle driving deviation detection apparatus and detection method. The vehicle-mounted vehicle driving deviation detection apparatus includes a magnetic attraction seat, a vehicle terminal, and a wireless laser bar code scanner. The vehicle terminal is composed of a GPS positioning module, a single-chip microcomputer main control module, a data transmission and display module, an interface module, an alarm module and a power module. The host of a mobile station acquires the vehicle trajectory information in real time and sends the information to a reference station via a radio station in the host, a differential algorithm is formed in the system to obtain the high-precision mobile station coordinate, the deviation amount of the vehicle to be measured is processed and calculated through the main control chip of the single-chip microcomputer main control module, the result of the deviation amount is displayed on a four-bit digital display screen after the testing is finished, and the vehicle speed is displayed in the testing process in real time. The apparatus is simple in structure and convenient to detach, and can realize the display of the deviation amount and the vehicle speed, is suitable for automobile manufacture enterprises to do streamline test, and has wide market potential and application prospect.
Owner:WUHAN UNIV OF SCI & TECH

System for warming methane tank by ground source/air source heat pump and control method

The invention belongs to the field of energy conservation and in particular relates to a system for warming a methane tank by a ground source / air source heat pump and a control method. The system consists of an underground loop, air cooling equipment, a ground source / air source heat pump public unit and a control system. The control method comprises that: when the outdoor average temperature is below 20 DEG C for ten days successively, a ground source heat pump unit is started for heat exchange; when the outdoor temperature is higher than 20 DEG C for ten days successively, an air source heat pump unit is started for heat exchange; when the temperature in the methane tank is reduced to below 35 DEG C, the ground source / air source heat pump unit is automatically started and transfers the heat of the underground water into hot water in a heating coil in the methane tank by consuming electric energy; and when the water inlet and outlet temperature difference of the ground source / air source heat pump unit is 7.5 DEG C and the temperature of the methane tank is 35 DEG C, the ground source / air source heat pump unit automatically stops working. Medium-scale fermentation engineering is taken as an object, and a novel warming system for improving the utilization rate of the energy and reducing construction cost on the premise of ensuring methane yield, and a control method are explored; and the method has high energy-saving benefit and good environmental-protection effect.
Owner:TONGJI UNIV

Multi-stage slurry separation method for construction of slurry shield machine in fine particle stratum

The invention discloses a multi-stage slurry separation method for construction of a slurry shield machine in fine particle stratum. An independent slurry treatment system is used in the multi-stage slurry separation method and comprises a pre-sieving assembly, a primary cyclone assembly, a secondary cyclone assembly, a residue storage yard, two slurry tank assemblies, a centrifugal machine assembly and a press filter assembly, wherein the two slurry tank assemblies are divided into a use group and a standby group and can be mutually switched for use; when slurry which meets demands and carries residue soil is discharged from the slurry shield machine, fine particles with the diameter being 20 mu m or larger are separated and enter the residue storage yard after being treated by the pre-sieving assembly, the primary cyclone assembly and the secondary cyclone assembly, residual slurry enters a slurry tank of the use group to be recycled, the slurry tank of the use group is stopped and a slurry tank of the standby group is started when the specific gravity or viscosity of the slurry of the use group does not meet the construction demands, at the moment, solid particles with the diameter being 20 mu m or smaller and clear water are separated from the slurry of the use group via the centrifugal machine assembly and the press filter assembly, and the clear water is stored for recycling.
Owner:ERCHU CO LTD OF CHINA RAILWAY TUNNEL GRP

Processing method of adult turtle floating puffed compound feed

The invention discloses a processing method of an adult turtle floating puffed compound feed which sequentially comprises the following steps of: uniformly mixing raw materials for the first time; performing superfine grinding; adding trace additives, uniformly mixing the raw materials for the second time; regulating the quantity; extruding and granulating; baking; spraying grease; and cooling. The adult turtle floating puffed compound feed processed by the method has low requirement on raw materials, has the advantages of wide raw material sources, low price, comprehensive and balanced nutrition, high digestive absorption rate, high stability in water, low waste, light water pollution, good disease prevention effect and low incidence of diseases, and the effects of convenience in management, time saving and labor saving are achieved. The adult turtle floating puffed compound feed has good compliance; compared with compound powdery feed, the adult turtle floating puffed compound feed has the same effect in terms of feed intake and growing speed, has the advantages of better uniformity in growth specification, lower feed coefficient, higher breeding survival rate, so the feed can completely replace the conventional powdery compound feed, and can be used for breeding adult turtle in an outdoor pond.
Owner:ZHEJIANG JINDADI FEED

Lightning arrestor online monitoring device with shielding function

The invention discloses a lightning arrestor online monitoring device with a shielding function. A signal acquisition device adopts a straight-through current transformer to measure a total current signal which flows through a grounding wire of a zinc oxide lightning arrestor, and uses a voltage acquisition module to obtain system operating voltage at the position of a secondary terminal of a voltage transformer which is connected in parallel with the zinc oxide lightning arrestor. The lightning arrestor online monitoring device with the shielding function is characterized in that a lightning arrestor surface leakage current shielding coil is arranged, the lightning arrestor surface leakage current shielding coil is wound and fixed on the upper surface of a cluster parachute at the bottommost layer of the zinc oxide lightning arrestor, the lower end of the lightning arrestor surface leakage current shielding coil and the grounding wire of the zinc oxide lightning arrestor at the lower part of the straight-through current transformer are jointly grounded. The lightning arrestor online monitoring device with the shielding function can guarantee that the leakage current and the resistive current of the lightning arrestor can be accurately measured under various weather conditions.
Owner:STATE GRID CORP OF CHINA +2

Compound type decorating thermal insulation panel with cement polymer at double surfaces and preparation method thereof

The invention relates to a compound type decorating thermal insulation panel with cement polymer at double surfaces and a preparation method thereof. The thermal insulation panel comprises a surface layer, a cover surface layer coated on the surface layer surface, a bottom layer connected with the surface layer through a connecting post, and a thermal insulating layer clamped between the surface layer and bottom panel layer. The surface layer is made of cement polymer composed of special cement, surface layer padding and acrylic elastic emulsion or epoxy resin emulsion, and the bottom layer is made of cement polymer composed of cement and bottom layer padding. The compound type decorating thermal insulation panel with the cement polymer at double surfaces is mechanically produced in a factory, the labor cost is saved, the appearance is beautiful, the size is uniform, and the quality is guaranteed; the construction is not influenced by weather; the surface of the thermal insulation panel bonded with the wall surface is cement polymer, and the problem of thermal insulation panel detachment from the wall surface due to the fact that the surface of the thermal insulation panel bonded with the wall surface is inconsistent with the interface of the wall surface in coefficients is avoided; crack is avoided, the outer surface is smooth and clean, and the service life is long.
Owner:四川安美达节能科技有限公司

Photovoltaic assembly state information monitoring device based on power line communication and monitoring method thereof

The invention discloses a photovoltaic assembly state information monitoring device based on power line communication. The photovoltaic assembly state information monitoring device comprises management equipment, an inverter, a plurality of forwarding devices, a plurality of header boxes, a plurality of sets of photovoltaic assemblies and a plurality of sets of assembly state sensors. The plurality of sets of assembly state sensors are connected with the anodes and cathodes of the plurality of sets of photovoltaic assemblies in parallel. The plurality of forwarding devices are connected with the anodes and the cathodes of the plurality of header boxes. The management equipment is connected between the anode and the cathode of the inverter. The inverter is connected with the plurality of sets of photovoltaic assemblies through the plurality of header boxes so that the management equipment is connected with the plurality of sets of assembly state sensors through the plurality of forwarding devices or the management equipment is directly connected with the plurality of sets of state sensors. The photovoltaic assembly state information monitoring device is composed of three grades of equipment in a pyramid structure. Long communication distance can be realized. Direct communication from the assembly to the inverter management module is realized.
Owner:吕海峰

Efficient buffering and protection unloading and conveying device for warehousing

InactiveCN105292890ARealize natural unloadingQuick dropStorage devicesEngineeringCylindrical tube
The invention discloses an efficient buffering and protection unloading and conveying device for warehousing, and mainly relates to the field of warehousing unloading devices. The efficient buffering and protection unloading and conveying device comprises an unloading roller line and a supporting bottom frame. A low-position hydraulic lifting column is arranged at one end of the supporting bottom frame, and a high-position hydraulic lifting column is arranged at the other end of the supporting bottom frame. The unloading roller line is arranged on the supporting bottom frame and comprises a machine frame and a plurality of unpowered rollers arranged on the machine frame. Side baffles are arranged on the two sides of the machine frame respectively. Rubber air cushions are arranged on the middle lower portions of the inner sides of the side baffles. A cylindrical tube is arranged between the two side baffles. A rainproof cover is wound in the cylindrical tube. A buffering baffle is hinged to one ends of the side baffles. A buffering platform is hinged to the tail end of the unloading roller line. Horizontal conveying mechanisms with guardrails are arranged on the two sides of the buffering platform respectively. The efficient buffering and protection unloading and conveying device for warehousing has the beneficial effects that the unloading efficiency can be improved, all-dimensional protection of goods is achieved in the unloading link, and the unloading level is improved.
Owner:国网山东省电力公司聊城供电公司

Multifunctional independent power plant capable of realizing all-weather stable power supply by comprehensively utilizing various kinds of natural energy

The invention relates to a multifunctional independent power plant capable of realizing all-weather stable power supply by comprehensively utilizing various kinds of natural energy, aiming to solve the problem of power shortage of sea islands. The multifunctional independent power plant comprises a high-level reservoir constructed at a higher position, and a water turbine generator set connected with the high-level reservoir through a down pipe, wherein a wave power device for converting the fluctuating wave energy into reciprocating or rotating mechanical energy drives a water pump to supply water to the high-level reservoir; or a wind energy power device for converting the wind energy into the rotating mechanical energy drives the water pump to supply water to the high-level reservoir; or a wave power device for converting the fluctuating wave energy of waters around islands, or waters of the mainland coastal area, or inland waters into the reciprocating or rotating mechanical energy is cooperated with the wind energy power device for converting the wind energy into the rotating mechanical energy to drive the water pump to supply water to the high-level reservoir. The multifunctional independent power plant provided by the invention has the advantages of low operation cost and long service, can continuously and stably supply power without being affected by the weather, and can not only supply low-cost natural energy grid power but also co-produce various kinds of island scarce resources, such as fresh water, hydrogen gas, oxygen gas, thereby providing powerful basic resource support for marine protection and development. In addition, the multifunctional independent power plant can also be popularized in other inland surface water source area besides sea islands and mainland coastal area.
Owner:LIAOYUAN POWER SUPPLY COMPANY STATE GRID JILIN ELECTRIC POWER +1

Industrialized fry breeding method for marine oncorhynchus mykiss

The invention discloses an industrialized fry breeding method for marine oncorhynchus mykiss. The method comprises steps as follows: (1), hatching: eyed eggs are hatched in an indoor fresh water flowing manner, and a hatching room keeps dark; (2), breeding of fish larvae and juveniles: the fish larvae and juveniles are bred in the indoor fresh water flowing manner, the water temperature is kept in a range from 10 DEG C to 14 DEG C, the new water addition amount of a single pool is 10-15 L / min / 10,000 fish larvae and juveniles, and the breeding density in the water flowing mode does not exceed 15 kg / m<3>; (3), fry breeding: the marine oncorhynchus mykiss fries are bred by adopting indoor closed circulating fresh water, the water temperature is kept in a range from 14 DEG C to 18 DEG C, the water circulating amount of a circulating water breeding pool is 15-25 times / day / pool, the illumination intensity is kept in 800-1,000 lux, and the 24 hours of illumination intensity is kept. The fry breeding process of the marine oncorhynchus mykiss is performed indoors and is not influenced by weather, year-round production can be realized, the water quality condition is stable and controllable, the survival rate of the bred fries is high, and high-density large-scale breeding can be realized.
Owner:国信东方(烟台)循环水养殖科技有限公司
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