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57results about How to "Improve the speed of use" patented technology

Hybrid power energy management system of trolley car and control method

The invention discloses a hybrid power energy management system of a trolley car and a control method. The system comprises a fuel cell array, a one-way isolation type DC-DC (direct current) converter in cascade connection with the fuel cell array on the basis of a full-bridge no-voltage no-current switch topological structure, a storage battery, a two-way isolation type DC-DC converter in cascade connection with the storage battery on the basis of a full-bridge no-voltage no-current switch topological structure, a supercapacitor, a two-way isolation type DC-DC converter in cascade connection with the supercapacitor on the basis of a full-bridge no-voltage no-current switch topological structure, an energy management unit based on a DSP (digital signal processor) controller, an interface extension unit based on an FPGA (field programmable gate array) controller, a voltage acquisition and conditioning circuit, a current acquisition and conditioning circuit, a weak current supply unit and a brake resistor. The system can supply energy to a load quickly, the response speed of the system to the load is increased, the brake power can be recovered as much as possible, the fuel availability is improved, the purpose of fuel economy is achieved, the service life of the storage battery is prolonged, and the cost is reduced.
Owner:SOUTHWEST JIAOTONG UNIV

Glass-ceramics used as ultrahard material grinding wheel bond and preparation method thereof

The invention relates to a microcrystal glass and preparation method used as super-hard grinding wheel bond, which adopts the method that: quartz, boracic acid, alumina, zinc oxide, lithium carbonate, sodium carbonate, potassium carbonate and magnesium carbonate are used as basic glass materials and sodium fluorosilicate is used as nucleation agent, the materials are smelted to form the glass that is quenched and then smashed to glass powder; the glass powder is pressed, molded, and sintered, and crystallized under certain temperature so as to obtain the microcrystal glass; the main crystal phase of the microcrystal glass is fluorophlogopite, the microcrystal is a hexagonal flake structure, the size of the microcrystal is 1um-2um. The microcrystal glass can be used as super-hard grinding wheel bond in place of ceramic so as to improve the strength of super-hard grinding wheel greatly, thereby improving speed and service life of grinding wheel; the invention also has integrated with excellent performances of glass and porcelain enamel, such as wear-resistant, anti-corrosion, good anti-oxidation, excellent electrical property, adjustable expansion coefficient, and good thermal stability. The invention can widely be applied as structural materials, optical materials, and architecture materials.
Owner:HUNAN UNIV

Steel blank grinding abrasion wheel adopting microcrystal ceramic bonding agents

The invention relates to a steel blank grinding abrasion wheel adopting microcrystal ceramic bonding agents, which is in a structure made of polycrystalline solid materials with the coexistence of glass and crystals and adopts the bonding agents of clay, feldspar, boron-containing microcrystal glass, pyrophyllite and soapstone to be made into high-intensity and low-shrinkage engineering ceramic bonding agents, good performance of the glass and the ceramics such as high mechnical intensity, wear resistance, corrosion resistance and the like are integrated, then, the glass and the ceramics are combined with mixed grinding materials, a molding pressing method is adopted for the high-pressure double-side pressing process forming, the low-temperature firing is adopted, the positive pressure reducing atmosphere heat simulation crystallization is adopted at the 800 DEG C heat insulation section, and the mixed grinding material and micro porous glass phase high-intensity microcrystal engineering ceramic composite structure is formed, so the intensity and the bonding degree of the steel blank grinding abrasion wheel are greatly improved, the use linear speed of the abrasion wheel is accelerated, and the safety factor is high. The steel blank grinding abrasion wheel belongs to the novel efficient special steel blank grinding abrasion wheel with the characteristics that the intensity andthe hardness are high, the tissue density is uniform, the grinding ratio is great under the condition of high-speed grinding, workpieces can not be damaged through firing, and the automation of iron and steel industries is easy to realize.
Owner:江苏华东砂轮有限公司

Fully Automatic Grinding Method for Vertical Internal and External Cylindrical Grinding Machine

The invention relates to a full-automatic grinding method of a vertical internal and external grinding machine. The method comprises the following steps of: setting the final size of a workpiece, a blank size of the workpiece and fine grinding allowance, and calculating rough grinding allowance; setting the rough grinding finish frequency and carrying out grinding wheel finishing after the rough grinding quantity is calculated; defaulting once automatic grinding wheel finishing according to the set fine grinding allowance when the final size of rough grinding is reached, wherein the grinding wheel finishing can be carried out automatically again by an external button according to the actual grinding conditions; and setting grinding parameters, such as the feed amount from top to bottom, the feed amount from bottom to top, Z-axis cutter feeding coordinates, Z-axis cutter stop coordinates, the grinding speed, and the like, carrying out rough grinding, fine grinding and compensating automatically by a numerical control machine, and automatically retracting after reaching the final size. According to the full-automatic grinding method disclosed by the invention, the actual operability, the system application speed is increased, and the working efficiency is improved.
Owner:SHANGHAI MACHINE TOOL WORK

Integrated wall structure

InactiveCN103243840AEliminate protective construction componentsImprove safety and fire performanceWallsReinforced concretePolystyrene
The invention provides an integrated wall structure which comprises a load-bearing layer formed by reinforced concrete and a heat preservation layer formed by an expandable polystyrene (EPS) module, the heat preservation layer is arranged outside the load-bearing layer, and a connecting piece is arranged between the load-bearing layer and the heat preservation layer. The connecting piece comprises a connecting plate, an inserting head arranged at one end of the connecting plate, an end plate arranged at the other end of the connecting plate and a column-shaped end socket arranged outside the inserting head, and a cross-shaped reinforcing steel bar installing groove is arranged on the column-shaped end socket. A protective layer formed by the reinforced concrete is arranged outside the heat preservation layer, the column-shaped end socket is arranged in the protective layer, and reinforcing steel bars in the protective layer are clamped in the cross-shaped reinforcing steel bar installing groove on the column-shaped end socket. The connecting piece is a bridge for connecting the heat preservation layer, the load-bearing layer and the protective layer and can be used as an installing and fixing body of the reinforcing steel bars in the protective layer. The load-bearing layer, the heat preservation layer and the protective layer of a building wall are finished through one time, construction quality of the wall can be improved, construction procedures can be simplified, and construction speed is increased.
Owner:HARBIN HONGSHENG ROOM ENERGY SAVING SYST RES CENT

Self-bacteriostatic forehead thermometer

InactiveCN113375809AEffective control of overflow speedControl overflow speedSensing radiation from moving bodiesMedical applicatorsDisinfectantForehead thermometer
The invention discloses a self-bacteriostatic forehead thermometer, and belongs to the field of forehead thermopistos. The self-bacteriostatic forehead thermometer is characterized in that a double-layer outer seepage ball and a one-way seepage strip are arranged in a disinfection sleeve in a matched mode, and when a large amount of disinfection liquid is used at the beginning, a content liquid change layer makes contact with a positioning end in an extruding mode to squeeze out the disinfectant adsorbed on the one-way seepage strip, so the contamination and disinfection speed on the disinfection sleeve is high, and the use speed of the forehead thermometer is remarkably increased; and after the disinfectant amount is reduced, the plumpness of the shape of the double-layer seepage ball is gradually weakened, workers can conveniently find the situation in time, the disinfectant is supplemented when the disinfection sleeve is replaced, and meanwhile, the disinfectant overflows through the one-way seepage strip instead of directly overflowing from the double-layer seepage ball, so the overflowing speed of the disinfectant can be effectively controlled, the situation that the disinfection sleeve is not prone to being in a wet state is effectively controlled, then bacterial dust in air is effectively prevented from being attached to the disinfection sleeve, and potential safety hazards are further reduced.
Owner:史洪领

Skin conditioning skin-care product prepared from plant extract and preparation method thereof

The invention belongs to the technical field of skin-care products, and specifically discloses a skin conditioning skin-care product prepared from a plant extract and a preparation method thereof. According to the preparation method of the skin conditioning skin-care product prepared from the plant extract, a skin-care bottle consisting of a bottle body, a rotating baffle and an applying block isutilized; the rotating baffle is rotatably connected with the interior of the bottle body; guide holes are formed in an upper surface of the rotating baffle in uniform distribution; the applying blockis arranged on the upper surface of the rotating baffle; and a mouth part of the bottle body is sleeved with a sealing lid. Thus, multi-functional capability of the skin-care bottle can be effectively achieved so that the skin-care bottle not only has storing and sealing functions, but also enables direct applying of the skin-care product on the face; and therefore, directing applying of the skin-care product by hands is not required so that sticking of the skin-care product on the palms of the hands is avoided. Moreover, shaking of the skin-care product caused by bumps during transport can be effectively avoided so as to reduce the problem of sticking of the skin-care product on the surface of the sealing lid.
Owner:刘赛

Split waterproof sealed water meter

The invention relates to the technical field of water meters, and discloses a split waterproof sealed water meter which comprises a meter body mechanism, an electronic mechanism and a reading mechanism, the side face of the meter body mechanism is fixedly connected with the electronic mechanism, the outer surface of the electronic mechanism is connected with the reading mechanism through a wire, and the meter body mechanism comprises a water meter body. A water outlet pipe is fixedly connected to the side face of the water meter body, an instrument panel is fixedly connected to the front faceof the water meter body, the electronic mechanism comprises a protective shell, a water inlet pipe is fixedly connected to the side face of the protective shell, and a circuit board is fixedly connected into the protective shell. According to the split waterproof sealed water meter, a traditional mechanical water meter and an electronic water meter are combined, meanwhile, the connecting flat cable is arranged to be connected with the reading meter, when line connection is inconvenient during installation, reading transmission can be conducted through intercommunication of the wireless transmitter and the wireless receiver, and therefore the using speed of the water meter is improved; and the effect of convenient use is achieved.
Owner:临沂汇泉仪表有限公司

Multifunctional electric shock gun

The invention discloses a multifunctional electric shock gun, and relates to the technical field of law enforcement equipment. The gun mainly comprises a gun body shell, a magazine, a short-range discharge head, a gear switching mechanism, an audio recording system, a rapid bullet withdrawing mechanism, an electronic fence system and the like, The magazine is used for remotely launching a subduingweapon, and the short-range discharge head is used for short-range discharge when bullets are not loaded. The multifunctional electric shock gun is simple and reasonable in structure and diverse in function, the gear switching mechanism is used for switching the remote emission function and the short-range discharge function according to the conflict level, operation is convenient, and the emergency capacity is high; the arranged rapid bullet withdrawing mechanism is simple in structure, and the magazine can be locked and unlocked easily and rapidly; the arranged audio recording system can automatically start recording after a circuit is activated, so that the audio shooting function of the electric shock gun is realized; a gun rope is arranged, so that the electric shock gun can be prevented from being snapped or lost; and the electronic fence system is arranged, the electric shock gun is combined with a positioning and communication system, the function of an electronic fence is achieved, and superior tracking and management are facilitated.
Owner:BEIJING ZHAOYANG SCI TECH CULTURE

Citrus enzyme tank capable of facilitating material clearing

InactiveCN109892649AEasy to place and take outEasy to pick upFood scienceEnzymeEngineering
The invention relates to the technical field of fruit enzyme production equipment, and discloses a citrus enzyme tank capable of facilitating material clearing. The citrus enzyme tank comprises a tankbody, a storage box is movably mounted at the bottom of an inner cavity of the tank body in a sleeving mode, limiting devices are fixedly mounted at the bottom of an inner cavity of the storage box in a sleeving mode, movable rods are movably mounted on the two sides of the top of the storage box in a sleeving mode correspondingly, sliding blocks are movably mounted in the middles of the movablerods in a sleeving mode, hollow plates are fixedly mounted on the side faces of the sliding blocks, and connecting blocks are movably mounted on the side faces of the hollow plates in a sleeving mode.According to the citrus enzyme tank capable of facilitating material clearing, the movable rods drive limiting blocks to inwards extrude compressing springs, thus the limiting blocks are drawn out oflimiting grooves, the storage box is conveniently taken out and placed, the using speed is increased, then residue is taken out through the storage box, thus an enzyme solution is extracted conveniently, the enzyme solution with the higher purity is obtained advantageously, and the production quality is improved.
Owner:江门市新会区高航信息咨询有限公司

Method and device for delimiting boundary of outer dumping site of open pit coal mine

The invention relates to a method and a device for delimiting a boundary of an outer dumping site of an open pit coal mine. The method comprises the following steps: acquiring position information of an open-pit mining boundary and position information of a village-society boundary; acquiring position information of a plurality of candidate areas around the open-pit mining boundary; according to the position information of the candidate area and the boundary of the open-pit mining boundary, determining the local boundary of the outer dumping site; according to the position information of the candidate area and the boundary of the village-society boundary, determining the remaining border boundaries of the outer dumping site; and comparing and selecting the plurality of outer dumping sites, and delimiting an optimal outer dumping site boundary according to a preset constraint condition. According to the scheme, the village-society boundary serves as the outer dumping site boundary, the village-society needing to be expropriated is reduced, the relocation compensation time is shortened, the land expropriation cost is reduced, and the economic benefits of enterprises are improved; by means of the mode that the inner dumping site and the outer dumping site are connected in time and press each other mutually, the capacity of the outer dumping site is increased, and the slope stability is improved.
Owner:BEIFANG WEIJIAMAO COAL POWER CO LTD

Assembled fence and assembling method thereof

PendingCN113482439AFast installation and disassemblyGet rid of the disadvantages of poor recyclingWatering devicesFencingMechanical engineeringWall plate
The invention relates to an assembled fence. The assembled fence comprises a fence wallboard and a base; the fence wallboard comprises a second plate and a first plate; the first plate and the second plate are connected through a hinge connecting piece; the hinge connecting piece comprises a first fixed block and a second fixed block; the first fixed block and the second fixed block are fixedly installed on the second plate and the first plate respectively; the first fixed block and the second fixed block are each provided with a shaft sleeve; the two shaft sleeves are connected through a rotating shaft; the first fixed block and the second fixed block are each provided with a vertically-through connecting hole; the connecting holes in the first fixed block and the second fixed block are connected in an inserted mode through a pin; the base is anchored on the ground; two clamping plates are arranged on the base; and the lower part of the first plate is inserted between the two clamping plates and is fixed through connecting bolts. The base is matched with a folding type fence structure to meet the installation requirement of the assembled fence, and the problems that an existing fence is poor in cyclic utilization, complex in installation and single in function are solved.
Owner:CHINA FIRST METALLURGICAL GROUP
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