23results about How to "Prevent decay" patented technology

The invention discloses a high-cycle-performance aqueous battery, which comprises an aqueous electrolyte, a negative electrode, a first positive electrode and a second positive electrode, wherein the first positive electrode and the second positive electrode are positioned on two sides of the negative electrode, and a first diaphragm and a second diaphragm are respectively arranged between the first positive electrode and the negative electrode and between the second positive electrode and the negative electrode; the battery is provided with an electromagnetic valve, the electromagnetic valve is electrically connected with the first positive electrode and the second positive electrode to control switching of the positive electrodes in the charging and discharging loop, and every time discharging and charging circulation are completed, the electromagnetic valve switches the electrode connection relation, and the first positive electrode and the second positive electrode are alternately connected into the charging and discharging loop. Switching of the two positive electrodes in the aqueous battery is accurately controlled through the electromagnetic valve, a positive-negative battery structure is formed in real time, the double positive electrodes alternately perform lithium removal-lithium intercalation reaction, excessive Li intercalation or insufficient positive electrode reduction caused by long-term charging and discharging of a single positive electrode is avoided, the structural stability of the positive electrode material is improved, and the service life of the battery is prolonged. The cycle life and the electrochemical performance stability of the aqueous battery are obviously improved.

The utility model relates to a luminous floor tile which comprises a tile body, the tile body is provided with an installation groove which is arranged in a penetrating mode in the horizontal direction, and a lamp strip is installed in the installation groove in a penetrating mode. The base is attached to the bottom of the brick body in the vertical direction, a wire passing groove is formed in one side of the base, the wire passing groove is connected with the tail end of the mounting groove, and a lead connected with the lamp strip is mounted in the wire passing groove; the adhesive tape layer wraps and is attached to the periphery of the tile body and the periphery of the base in the vertical direction, the adhesive tape layer is made of an elastic material, and the adhesive tape layer is used for filling a gap between the light-emitting floor tile and the ground after the light-emitting floor tile is installed in the ground. By means of the brick body and the base which are arranged in an attached mode, higher bearing strength is achieved, the adhesive tape layer wraps the periphery of the brick body and the base, the integrating degree of the brick body and the ground is high, and material decay and structure looseness caused by rainwater permeation are avoided.

The utility model discloses an integrated serial spray washing tower, and relates to the technical field of waste gas washing towers. The integrated series-connection spraying washing tower comprises a washing tower body, a bottom plate is fixedly connected to the bottom of the washing tower body, a plurality of access holes are formed in one side of the washing tower body at equal intervals, and dustproof assemblies covering the access holes and preventing dust from being accumulated on the outer walls of the access holes are installed on the side, close to the access holes, of the washing tower body. The dustproof assembly is provided with a ladder stand assembly used for climbing to one side of the access hole for overhauling work, and a driving assembly for driving the dustproof assembly to be opened and closed is installed below the dustproof assembly. By arranging the fixed shell and the cover shell, dust accumulation caused by long-term exposure of the access hole is prevented, normal maintenance work can be better assisted, the possibility that waste gas treatment work is wrong due to a poor maintenance observation visual angle caused by dust accumulation is reduced, and practicability is achieved.

The utility model discloses stepping type vibration draining equipment which comprises a device main body, vibration plates are symmetrically and fixedly connected to the inner wall of the device main body, a cleaning assembly is obliquely installed on the inner wall of the device main body, the device main body comprises an installation box, and the cleaning assembly comprises a motor and two sets of driving belts. And two groups of driving rods are symmetrically and fixedly connected to the outer sides of the two groups of driving belts, and the driving rods continuously drive a plurality of groups of vibration blocks to vibrate up and down. By arranging the vibrating plate, the vibrating position of the draining sieve plate is reversely distributed along the movement of the driving rod, the vibrating draining efficiency is improved, meanwhile, damage to food materials is reduced, meanwhile, when the scraper moving along with the driving belt moves to the bottom of the draining sieve plate, the end, away from the driving belt, of the scraper scrapes away water stains and residues at the bottom of the inner cavity of the mounting box, and the drying effect is improved. And the water stains and the residues are discharged through the sewage discharge end at one end of the mounting box, so that rotting and deterioration caused by long-term storage are avoided.

The utility model discloses an ecological environment protection tree supporting device which comprises two clamping sleeve plates, a supporting plate, a supporting piece, a supporting assembly, a stabilizing mechanism and a liquid drainage pipeline, one end of the supporting plate is fixedly connected to the outer wall of the clamping sleeve plate, the supporting piece is arranged between the supporting assembly and the supporting plate, and the supporting assembly is fixedly connected to the supporting plate through the stabilizing mechanism. The stabilizing mechanism comprises a positioning assembly, a mounting plate and a clamping pad, one end of the positioning assembly is mounted on the inner wall of the clamping sleeve plate, one side of the mounting plate is connected with the other end of the positioning assembly, the clamping pad is mounted on the other side of the mounting plate, and the clamping sleeve plate is of a cavity structure. And one end of the liquid discharging pipeline penetrates through the inner wall of the clamping sleeve plate. Therefore, the tree can be effectively supported under the action of the supporting piece and the supporting assembly, and the supporting piece is not arranged in the soil, so that the supporting piece improves the long-time supporting stability, and the problem that wood or metal materials are corroded or decayed is solved.

The application discloses a kind of full-time hot standby fault zero attenuation air supply system and method, it is related to air supply system technical field, the air supply system includes: main fan blade, vice fan blade, deceleration synchronization unit, switching control module, risk prediction module, air supply pressurization module and emergency backup unit.The deceleration synchronization unit is connected to the deceleration of main fan blade and vice fan blade, when main fan blade is fault-free operation, vice fan blade can follow it and rotate at low speed, when main fan blade appears fault or there is predicted fault risk, vice fan blade does not need to start quickly to promote speed from static, avoid the delay problem that vice fan blade starts to stable air supply when traditional double fan group switches, ensure that the airflow barrier of scene is not destroyed, guarantee target area air supply environment stability, simultaneously, vice fan blade is standby by main fan blade synchronous rotation, so that vice fan blade standby process does not need to be driven separately, realize the energy-saving standby effect of system, reduce the problem of traditional double fan simultaneous start energy consumption.

The utility model relates to dry granulation technical field discloses a kind of sealing mechanism for dry granulator, including granulator, the outer wall side of granulator is equipped with conveying structure, it spirally conveys material to the inside of granulator, the inside one end of conveying structure is equipped with sealing mechanism, it is sealed to conveying structure, the outside of sealing mechanism is also equipped with cooling structure, it is cooled to sealing mechanism;The conveying structure includes conveying pipe, one end of the conveying pipe is connected with granulator, another end of the conveying pipe is fixedly connected with conveying motor.In the utility model, high-strength magnetic field formed in radial gap by magnetic circuit assembly captures magnetic fluid, forming liquid seal ring.The sealing ring can adapt to the rotating conveying shaft, maintain complete sealing interface, eliminate the reverse leakage of powder material, and ensure the pressure stability of the granulation process.Because of the liquid contact between magnetic fluid and conveying shaft, mechanical wear is reduced.

The invention discloses a paddy field weeding machine with a weed collecting function, and relates to the technical field of agricultural weeding, the paddy field weeding machine comprises a transverse plate, a collecting box is assembled above the transverse plate, a box door is installed on the front face of the collecting box, and a ventilation opening grating is formed in the top face of the collecting box. When weeds enter the weed suction pipe, the weeds firstly make contact with the first mudguard, at the moment, soil is further filtered through the first mudguard, the soil can be screened out, meanwhile, sundries and foreign matter are blocked through the first mudguard, and therefore only the weeds can enter the weed suction pipe through the first mudguard; a second mud guard is arranged at the opening of the weed box, the second mud guard is used for filtering the mud again, a second mud screen in the second mud guard can screen the mud, and weeds enter the weed box through the second mud screen.

The utility model discloses a drag type asphalt mixture surface layer temperature information monitoring system belongs to asphalt pavement construction monitoring equipment technical field, including support frame, data acquisition module, lubrication module, wireless transmission module and power module, and the bottom of support frame is equipped with the drag heat insulation bottom plate, and data acquisition module includes data collector and the temperature sensor of being located at the bottom of frame, and lubrication module includes lubricating liquid storage tank and the liquid guide pipe to the bottom surface of bottom plate for preventing asphalt adhesion. The utility model discloses through drag type structure and synchronous movement with paver, realizes continuous temperature monitoring, and integrates wireless transmission and real -time display function, and through high heat -conducting metal bottom plate ensures the temperature measurement accuracy, and combines lubrication and prevents sticking and heat -insulation design, and guarantees the stable operation of system under the high temperature bad environment.

The application relates to the technical field of semiconductor devices, in particular to a high-efficiency SiP power module which comprises a ceramic substrate, a metal frame, a metal cover plate and a plurality of power units; each power unit comprises a MOSFET, a transformer, a high-voltage capacitor and a high-voltage diode, an NTC thermistor, a PTC thermistor, an electrically-controlled variable resistor, a voltage-dividing resistor, a filter capacitor and a micro MCU; the NTC thermistor is connected in series on a source path of the MOSFET and is connected through a voltage-dividing circuit and the micro MCU; the PTC thermistor is connected in parallel with the source and the drain of the MOSFET; the micro MCU outputs a resistance value adjustment amount of the electrically-controlled variable resistor by analyzing voltage and resistance change conditions in the circuit, and adjusts the resistance value of the electrically-controlled variable resistor by using the resistance value adjustment amount. The application improves the heat management capability of the SiP power module and avoids local temperature imbalance.

The utility model relates to the technical field of storage, in particular to an apple layered storage device which comprises a storage rack, baffles are arranged on the left side and the right side of the storage rack, anti-skid blocks are welded to the middles of the inner sides of the baffles, handles are arranged on the outward sides of the baffles, and waterproof plates are connected to the inward sides of the bottom ends of the baffles. A base plate is installed on the upper surface of the waterproof plate, a storage box is placed on the upper surface of the base plate, ventilation holes are formed in the bottom of the storage box, grooves are formed in the two sides of the storage box, storage covers corresponding to the grooves are arranged above the storage box, and bosses matched with the grooves are arranged at the two ends of each storage cover. By arranging the layered structure, the panes of different sizes and the foams in the panes, due to the fact that apples are different in size, the apples are placed in the panes of the corresponding sizes according to needs, the space utilization efficiency is improved, the situation that the apples are damaged due to collision and extrusion in the transportation process can be avoided through the foams, and the integrity of the apples in the transportation process is guaranteed.

The utility model provides a kind of to be processed vegetables temporary stacking box, it is related to food processing technical field, the device includes the round tub with upper opening, the middle part of round tub is vertically provided with round pipe, one end of round pipe passes through the upper opening of round tub, the other end of round pipe passes through the bottom plate of round tub, and the circumferential wall of round pipe is provided with breathable hole at intervals, and the bottom of round tub is provided with pad foot for being separated from ground. This stacking box can effectively optimize ventilation environment, reduce vegetable deterioration.

The utility model relates to friction welding equipment technical field provides a kind of medium-large supporting wheel friction welding device, including friction welding machine, still including two half circle clamping pieces of symmetrical arrangement, two half circle clamping pieces are assembled in chuck dog inner side of friction welding machine, single half circle clamping piece at least includes: inner half ring, its surface is equidistantly opened with multiple radial through-slots along circumference direction;Outer half ring, coaxially sleeve is set in inner half ring outer portion;Magnetic movable element, including magnetic sheet, guide pillar connected to the tail of magnetic sheet, and the compression spring connected between guide pillar and the inner wall of outer half ring, guide pillar can move along inner half ring radial, make magnetic sheet under the action of compression spring and extend into through-slot or under the action of centrifugal force and remove from through-slot.The utility model overcomes the deficiency of prior art, both ensure the positioning accuracy of wheel axle, ensure that half circle clamping piece can be adsorbed in wheel axle end portion when supporting wheel is disassembled, avoid the danger caused by magnetic attenuation and cause its loosening.

The utility model provides an automatic power-off distribution box for charging an electric automobile, which comprises a box body, a circuit breaker, a contactor, an intermediate relay and a current sensing switch, and is characterized in that the circuit breaker, the contactor, the intermediate relay and the current sensing switch are arranged on the inner side surface of the box body; the circuit breaker is electrically connected with the contactor, the contactor is electrically connected with the intermediate relay, and the intermediate relay is electrically connected with the current sensing switch. According to the automatic power-off distribution box for charging the electric automobile, through electrical mutual cooperation of the circuit breaker, the contactor, the intermediate relay, the current induction switch and the like, when the automatic power-off distribution box is used, a charging power supply is automatically cut off after the charging current is detected to be smaller than a set threshold value and lasts for one minute, and the automatic power-off distribution box is safe and reliable. And the battery is effectively prevented from being continuously charged after being fully charged, so that performance degradation and service life shortening caused by overcharge of the battery are prevented.

The utility model provides an under-line construction protection device for a high-voltage line, which relates to the technical field of building construction safety protection and comprises a plurality of mounting seats, the mounting seats are uniformly mounted on the ground according to a construction area, and telescopic rods are mounted at one ends, deviating from the ground, of the mounting seats. A pulley block is arranged at the end, away from the mounting base, of the telescopic rod, a traction rope is inserted into the pulley block, the end, away from the pulley block, of the traction rope is connected with the mounting base, the pulley block is connected with a connecting rope, and the end, away from the pulley block, of the connecting rope is connected with a protective net. According to a construction area, the mounting seats are uniformly mounted, so that the mounting seats are located at the edge of the construction area, and the protective net is lifted to a certain height through the telescopic rods and the pulley blocks arranged on the mounting seats to cover the construction area, so that the construction area is covered by the protective net; the protective net enables various mechanical devices used for construction not to be in direct contact with the high-voltage line, and reduces the damage caused by the contact of constructors with the high-voltage line in the construction process.

This utility model discloses a radio frequency coaxial cable assembly, belonging to the field of coaxial cables. The lower end of the cable head is connected to a tail connector via a threaded connection, and a protective cable is connected to the tail connector. The inner core of the protective cable is connected to the connector via a connector core. The end face of the tail connector has an embedded slot, into which a retractable connecting sleeve is embedded. The tail connector, the retractable connecting mechanism, and the protective cable together constitute a stable and reliable signal transmission system. The tail connector provides a stable connection base, the retractable connecting mechanism adapts to protective cables of different sizes, ensuring connection flexibility and versatility. The snap-fit ​​ring on the protective cable fits tightly with the retractable connecting mechanism, achieving stable signal transmission. This design not only improves the component's service life and performance stability but also reduces maintenance costs, providing users with a more convenient and efficient user experience.

The invention provides a baby incubator and a baby culture transfer imaging system, and relates to the technical field of medical treatment. The infant incubator comprises a base, an infant cabin, an air duct structure, a flow driving device, a heating device and a heat exchange device, two ends of the air duct structure are respectively communicated with an air inlet and an air return port of the baby cabin to form an air flow circulation path; the heating device is at least partially located in an inner cavity of the air duct structure so as to heat fluid in the air duct structure. The flow driving device comprises an airflow driving part and a driving unit, the airflow driving part is located in an inner cavity of the air duct structure, the driving unit is in driving connection with the airflow driving part, and the driving unit comprises a non-magnetic motor; the heat exchange device is thermally coupled with the driving unit and airflow in the air duct structure, and the thermal coupling position of the airflow in the air duct structure and the heat exchange device is located on the upstream of the heating device.

The utility model discloses a novel edible mushroom fresh-keeping box which comprises a box body and a box cover, the box cover is provided with connecting mechanisms matched with the box body, the connecting mechanisms are symmetrically arranged in multiple sets, the box body is movably provided with a containing box, the lower end of the containing box is communicated with a refrigerating box, the two ends of the refrigerating box are movably connected with fixing plates in a buckled mode, and the containing box is provided with a containing groove. The box cover is provided with a pressing spring, the lower end of the pressing spring is provided with a pressing plate, the lower end of the pressing plate is provided with a flexible pad, and the flexible pad and the containing box are correspondingly arranged; compared with the prior art, the edible mushroom storage box has the advantages that a uniform refrigeration effect is provided for edible mushrooms, multi-layer storage of the edible mushrooms is achieved through stacking of multiple layers of storage boxes, the edible mushrooms are prevented from being rotten and deteriorated in the transportation process, and the quality of the edible mushrooms in the storage boxes is guaranteed.

The invention relates to the technical field of wood-plastic profiles, in particular to an anti-static straw wood-plastic profile and a preparation process thereof.The anti-static straw wood-plastic profile is characterized by being prepared from, by weight, 40-60 parts of straw, 10-30 parts of thermoplastic, 10-30 parts of antistatic agent, 5-7 parts of compatilizer, 5-7 parts of coupling agent, 4-6 parts of preservative, 3-5 parts of flame retardant and 6-8 parts of flexibilizer. The antistatic agent, the preservative, the flame retardant and the flexibilizer are added in the preparation of the straw wood-plastic profile, so that the antistatic and flame-retardant effects of the straw wood-plastic profile are improved, and the straw wood-plastic profile does not generate electrostatic sparks or burn; meanwhile, by adding the preservative and the flexibilizer, the corrosion resistance, heat resistance and impact resistance of the straw wood-plastic profile can be improved, the structural strength of the straw wood-plastic profile is improved, and the application range of the straw wood-plastic profile is widened.

The application relates to the technical field of high polymer fiber rope manufacturing, and discloses a preparation process of a double-twisted anti-rotation ultra-high molecular weight polyethylene rope, which comprises the following steps: high-strength high-modulus UHMWPE fibers are selected as main body reinforcing fibers and are subjected to surface activation treatment; the treated UHMWPE fibers are divided into inner layer fiber bundles and outer layer fiber bundles; the blended inner layer fiber bundles are bundled, introduced into a tubular stranding machine through a tension controller, twisted in an "S" direction, and inner layer strands are formed; the twisted inner layer strands are continuously passed through a first heat treatment zone and cooled to form a pre-consolidated inner layer strand core. Through the combination of the double-layer blending functionalization, the inner-outer reverse twisting structure and the heat-induced plasticity integrated technology, the high-performance UHMWPE rope with high interface bonding strength, excellent anti-rotation performance, stable structure and intelligent monitoring potential is prepared, a series of problems such as weak interface bonding, easy rotation, single function and difficult monitoring are effectively solved, and the comprehensive performance and reliability of the UHMWPE rope are remarkably improved.

The utility model provides a building flat composite board which comprises a frame board, a decorative layer is arranged on the front side in the frame board, a wear-resistant layer is arranged in the rear side of the frame board, a high-density fiberboard layer is bonded to the rear side of the decorative layer, an oriented strand board layer is bonded to the rear side of the high-density fiberboard layer, and a left-right mounting mechanism is arranged on the right side of the frame board. The upper and lower ends of the frame plate are respectively provided with upper and lower mounting assemblies. According to the building flat-attached composite board, operation without tools or with few tools can be achieved in a spring-driven rapid assembling mode, installation time is greatly shortened, working efficiency is improved, stress concentration and potential damage caused by direct punching are avoided, integrity of the composite board can be kept, the service life of the composite board can be prolonged, and the building flat-attached composite board is suitable for popularization and application. And the air tightness and the water tightness of the whole structure can be improved.

The invention discloses a passion fruit storage simulation experiment device and an experiment method thereof, comprising a fresh-keeping box, a temperature sensor, an environment heating device and a heating and cooling device, wherein the temperature sensor is installed in the fresh-keeping box, the environment heating device is installed outside the fresh-keeping box, a layered partition for placing passion fruit is arranged in the fresh-keeping box, an infrared pair of tubes for detecting the placement of passion fruit is installed on the side wall of the fresh-keeping box between adjacent layered partitions, and a heating and cooling device is installed on the top of the fresh-keeping box. The invention can realize gradient heating and cooling to store passion fruit, and through gradient heating and cooling, the temperature of the storage room is prevented from dropping or rising suddenly, and the water vapor in the storage room is reduced from condensing into water droplets on the surface of the fruit, effectively preventing the growth and reproduction of microorganisms, and preventing the fruit skin from being rotten and deteriorated as a whole due to contamination, thereby achieving a better storage effect.