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133results about How to "Optimize usage efficiency" patented technology

Charging power supply system

The invention discloses a charging power supply system. The charging power supply system comprises a power acquisition device group, a power output device group and transmission cables, wherein the power acquisition device group consists of power acquisition devices; the power output device group consists of power output devices; the transmission cables are used for transmitting high-voltage direct-current power output from the power acquisition devices to the power output devices; the input ends of each of the power acquisition devices are respectively connected with a secondary side of a transformer or a power bus; the direct-current voltages output from the power acquisition devices are equal to each other; the output ends of each of the power acquisition devices are connected in parallel through the transmission cables to form a direct-current power network of which the electric potentials at each point are the same; the input ends of each of the power output devices are connected with any node A in the direct-current power network (300) through the transmission cables; and the output ends of the power output devices provide direct-current power for various charging loads. Power is dynamically acquired from low-ebb users by the power acquisition devices according to a tidal electricity utilization state and the frequency, the pulse width and the conduction interval of power switching devices are dynamically modulated, so that the power supply quality is improved, reactive power, harmonic waves or a negative sequence current are utilized, the no-load power of the transformer and the low-ebb electricity of a power grid are called, and an important base support system is provided for the development of new energy vehicles.
Owner:丰汇新能源有限公司

Air cooling-wet cooling combined type water-saving fog-dispersing cooling tower

The invention provides an air cooling-wet cooling combined type water-saving fog-dispersing cooling tower, which belongs to the field of cooling equipment. The objective of the invention is to overcome the problems of a clumsy overall structure, waste of water resources and a short operation cycle of conventional industrial circulating water cooling towers. According to the invention, one to a plurality of air coolers are arranged on the main body frame of the cooling tower; the air coolers comprise 1 to 10 open circulating water gas-liquid orthogonal membrane plate type air coolers, and the upper parts of the open circulating water gas-liquid orthogonal membrane plate type air coolers correspond to nozzles of a primary water distribution and spray system; a mixed gas chamber is arranged in the cavity of the main body of the cooling tower and between the pedestal of the open circulating water gas-liquid orthogonal membrane plate type air coolers and a top air duct and a bottom tower body base located at two sides; adjustable louvers are arranged on the air inlets of the main body of the cooling tower and on the air inlets of the air coolers; and the air outlets of the open circulating water gas-liquid orthogonal membrane plate type air coolers are communicated with the mixed gas chamber in the main body of the cooling tower. The air cooling-wet cooling combined type water-saving fog-dispersing cooling tower has a simple and practical overall structure and is applicable to cooling of industrial circulating water through combined usage of an air cooling section and a wet cooling section.
Owner:CNCEC CANGZHOU COOLING TECH

Tank type container

The invention relates to a tank-shaped container, comprising a tank body, a reinforcing ring arranged on the outer side of the tank body and a bottom discharging valve arranged below one end of the tank body. A manhole, a safety valve, an air-phase valve, a top discharging hole and an overflowing box are arranged on the top of the tank body. An overflowing tube used for guiding liquid in the overflowing box to the outside of the tank-shaped container is arranged at the bottom of the overflowing box. The two ends of the tank body are respectively welded onto the end frames of the two ends by apron rings, and the end frames of the two ends are respectively connected with a vertical bottom beam and a reinforcing inclined support. A stair fixedly arranged on the end frame of one end is led to a path board fixedly arranged on the top of the tank-shaped container. An angle part, an angle column, a top beam, a bottom beam, the reinforcing inclined support and a top angle board are connected to form the end frame. A reinforcing plate is welded on the internal surface of the lower wall of a rectangular tube of the bottom beam. The tank-shaped container has the main advantages that the distance between the lower surface of the end part of the bottom beam of the end frame and the lower surface of the angle part of the end frame is enlarged, therefore, the stressing condition of the bottom beam of the end frame during conveying is enhanced and the service efficiency of the tank-shaped container is improved.
Owner:NANTONG TANK CONTAINER CO LTD

Automatic cooling device for transformer

InactiveCN109859934ASpeed ​​up cooling and heat dissipationEnergy savingTransformers/inductances coolingWater pipeEngineering
The invention discloses an automatic cooling device for a transformer. A partition plate is horizontally arranged in a device shell body, and the device shell body is divided into a transformer installing bin on the upper part and a cooling bin on the lower part; an air inlet and a plurality of heat dissipation holes are formed in the device shell body; the air inlet is formed in the lower part ofthe partition plate; the transformer is arranged on the partition plate and is located in the transformer installing bin; a recycling water box is arranged in the cooling bin; one end of a water inlet pipe is connected with an exterior water source, and the other end of the water inlet pipe extends into the device shell body and is connected with the upper part of the recycling water box; a waterinlet control valve is arranged on the pipeline, on the outer side of the device shell body, of the water inlet pipe; one end of a water discharging pipe is connected with the lower part of the recycling water box, and the other end of the water discharging pipe extends out of the device shell body and is connected with a water discharging system; and a water discharging control valve is arrangedon the pipeline, on the outer side of the device shell body, of the water discharging pipe. According to the automatic cooling device for the transformer, cooling and heat dissipation can be automatically conducted according to the temperature of the transformer, the cooling efficiency is high, the temperature cooling effect is great, heat dissipation is ensured and at the same time energy is saved due to intelligent heat dissipation and recycling of cooling water, and the application range is wider.
Owner:中科电力装备集团变压器有限公司

Formula for preventing wrinkle, removing beverage and retarding skin aging

The invention discloses a formula for preventing wrinkle, removing beverage and retarding skin aging, and relates to the technical field of medicines. The formula comprises the following components: 30g of polygonum multiflorum, 30g of radix astragali, 30g of pseudo-ginseng, 15g of rhodiola rosea, 15g of gynostemma pentaphyllum, 10g of American ginseng, 50g of radix angelicae, 50g of atractylodes macrocephala, 30g of bletilla striata, 30g of rhizoma typhonii, 30g of poria cocos, 30g of stiff silkworms, 15g of honeysuckle, 30g of radix scrophulariae, 30g of leonurus artemisia, 30g of radix ophiopogonis, 30g of chrysanthemum, 0-30g of abrus cantoniensis hance, 0-30g of selfheal, 30g of loranthus parasiticus, 0-30g of caulis spatholobi, 0-30g of angelica sinensis, 30g of lycium barbarum, 30g of carthamus tinctorius, 30g of rehmannia glutinosa, 15g of lithospermum, 0-20g of acacia catechu, 20g of rheum officinale, 30g of white paeony roots, 30g of ligusticum wallichii, 0-30g of gastrodia elata, 0-20g of acanthopanax roots, 0-30g of crocus sativus, 30g of witch hazel, 0-30g of arbutin, 0-30g of salvia japonica, 0-30g of ginseng, 0-30g of aloe, 30g of calendula, 0-10g of pearl powder and 0-10g of fructus cannabis. The formula is capable of preventing wrinkle, removing beverage and retarding skin aging and is free of side effects, good in use effect and low in cost.
Owner:叶松

Chromium alloy large profile steel finishing roller and manufacturing method thereof

The invention discloses a chromium alloy large profile steel finishing roller and a manufacturing method thereof. The manufacturing method comprises the following specific manufacturing steps that theroller is prepared from the following raw material of, in percentage by weight, 0.35-%0.65% of carbon, 0.45%-0.75% of silicon, 0.60%-0.80% of manganese, 0.60%-1.00% of nickel and 4.00%-6.00% of chromium, 0.50%-0.80% of vanadium, furnace charge is added into a power frequency electric furnace, current low-power operation is carried out, rapidly heating at high power is carried out when the furnacecharge enters a critical temperature, alloy is added into the furnace charge supplemented after the furnace charge is completely molten, slagging, removing residual impurity elements and gas elementsare sequentially carried out by using a slagging agent after several minutes, other alloy elements are activated by using active elements, and organically fusing is carried out, wherein a top pouringprocess is adopted for pouring, and the hot box opening process is adopted for rolling. The prepared roller has the advantages of refined microstructure grains, high hardness, small fall, good wear resistance, excellent toughness and strength, strong hot crack resistance and excellent rolled material surface quality.
Owner:常州市瑞宏轧辊有限公司

Multi-parameter sensing cutting tool wear monitoring method

InactiveCN111618659ARealize intelligencePromotes tool life and cutting productivityMeasurement/indication equipmentsProcess engineeringCutting tool wear
The invention belongs to the technical field of metal cutting machining, and relates to a multi-parameter sensing cutting tool wear monitoring method. The cutting tool wear monitoring method providedby the invention is real-time online monitoring of a cutting process, and the cutting tool wear monitoring method comprises the following steps of measuring signals such as cutting power, cutting force, cutting vibration and cutting temperature in the cutting process on line through a plurality of sensors; fitting a multi-parameter sensing equation of the wear amount of the rear tool surface of atool with respect to the measurement signals and cutting parameters; and establishing a software system integrating sensing equation solutions, and realizing real-time monitoring of the wear of the cutting tool through the solutions to the sensing equation. The multi-signal measurement can realize the monitoring precision guarantee of the tool wear; and the fitting and solving of the sensing equation can realize intelligent monitoring of the tool wear. The multi-parameter sensing cutting tool wear monitoring method provided by the invention can be widely applied to tool wear monitoring in a metal material cutting process, realizes the intelligence of a cutting unit, and promotes comprehensive improvement of the service life of the tool and the cutting production efficiency.
Owner:SOUTHEAST UNIV

Standing type medical sterilizing device

The invention discloses a standing type medical sterilizing device. The standing type medical sterilizing device comprises a first long flat plate, a first short flat plate, a second short flat plate,a second long flat plate, an elastic stretching and retracting part, a spring group, an upper main shaft, a lower main shaft, a side main body wall, ultraviolet light posts and a temperature measurement sensor, wherein the upper main shaft and the lower main shaft drive the four flat plates to rotate; in a rotating process, the elastic stretching and retracting part and the spring group drive thefour flat plates to move reciprocally in the longitudinal direction; the ultraviolet light posts are arranged in a manner of directly facing a plurality of lens parts arranged on the side main body wall; the temperature measurement sensor is in temperature sensing contact with an outer main body through a temperature sensing cabin; the temperature measurement sensor, a signal emitter and a powersupply are positioned in the same circuit loop; moreover, the temperature measurement sensor comprises a metal casing, a left power line, a right power line, a left electricity conducting piece, a right electricity conducting piece, a left electricity conducting folded strip, a right electricity conducting folded strip, a left wax strip, a right wax strip and a middle electricity conducting part.According to the design, the sterilizing effect is relatively good, the sterilizing efficiency is relatively high, moreover, the buffering effect is relatively good, and the control efficiency is relatively high.
Owner:SUZHOU CRABCHINA E COMMERCE CO LTD

Diesel engine part surface multilayer wear-resisting anti-friction thin film and preparing method thereof

The invention relates to a diesel engine part surface multilayer wear-resisting anti-friction thin film. The surface of a diesel engine part sequentially comprises a Cr layer, a Cr / MeC transition layer, an MeC-DLC layer, an a-C:H soft and hard alternative layer and an MoS2 layer from inside to outside, wherein Me is a transition metal element. Firstly, the Cr layer is deposited on the surface of the diesel engine part through magnetron sputtering; secondly, the Cr / MeC transition layer is deposited through magnetron sputtering; thirdly, the MeC-DLC layer is deposited through a magnetron sputtering / plasma assisting chemical vapor phase composite deposition method; fourthly, the a-C:H soft and hard alternative layer is deposited through a plasma assisting chemical vapor phase composite deposition method; fifthly, a microtexture is etched on the a-C:H soft and hard alternative layer through a laser etching method; and finally the MoS2 layer is deposited through magnetron sputtering. By means of the thin film, the surface performance of the diesel engine part can be obviously improved, the service life of the diesel engine part surface multilayer wear-resisting anti-friction thin film is prolonged, and the energy using rate and reliability of the diesel engine part surface multilayer wear-resisting anti-friction thin film are improved.
Owner:LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH

Short-wavelength efficient stable high-reflectivity metal laser welding system

PendingCN107971631AReduce lossLaser output power is stableLaser beam welding apparatusBeam splittingPrism
The invention belongs to a laser welding system, and particularly relates to a short-wavelength efficient stable high-reflectivity metal laser welding system. The short-wavelength efficient stable high-reflectivity metal laser welding system is sequentially provided with a laser device, a polygon prism, a light attenuation device, a laser transmission mirror assembly, a light beam shaping mirror assembly and a laser focusing lens assembly. A laser collector is further included; the light attenuation device comprises 1/2 wave plate and polarization beam splitting cube, the polygon prism rotatesthrough a high-speed motor, and laser sent out by the laser device irradiates the polygon prism to form a scanning laser beam. Compared with an existing laser welding device (an infrared wave band ismainly used, and green light is used little), on one hand, when the system is within the short wavelength range (100 nm to 400 nm), the laser absorbing rate is high, the laser energy utilization rateis high, welding efficiency is high, energy consumption is low, on the other hand, the polygon prism is used in combination with light attenuation devices in all component light paths, all componentlight paths can be used for different welding parts for welding, and the equipment use efficiency and the welding quality can be improved.
Owner:CHANGZHOU INNO MACHINING +1

Connecting rod balance wheel sorting machine and sorting method thereof

The invention discloses a connecting rod balance wheel sorting machine and a sorting method thereof. Correspondingly, a swing driving mechanism is improved to be in a tiled transmission mode, namely rotation driving force is converted into balance wheel synchronous swing through single-layer linear transmission of the swing driving mechanism. The purposes of effectively reducing transmission forceloss and transmission noise, improving the synchronous performance of swing control, simplifying the structure and reducing the workload of later maintenance are achieved. The connecting rod balancewheel sorting machine comprises a shell module, a rack module, balance wheel modules, a swing power unit and a conveying power unit, wherein the balance wheel modules, the swing power unit and the conveying power unit are installed on the rack module. A plurality of groups of balance wheel modules are distributed in rows and columns. The swing power unit comprises a plurality of groups of reversing rods positioned below each row or each column of balance wheel modules, and a steering rod is connected between each reversing rod and a balance wheel bracket shaft of each balance wheel module. Theend parts of the same sides of the plurality of groups of reversing rods are connected with a steering block driven by an output shaft of a servo motor.
Owner:QINGDAO KENGIC AUTOMATION EQUIP CO LTD
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