225results about How to "Avoid feeding" patented technology

The invention relates to a shutdown purging system and a purging method for a vehicle-mounted fuel cell power generation system. The system comprises a fuel cell, a vehicle control unit, a fuel cell controller, a power output relay, an air pump, a hydrogen tail exhaust electromagnetic valve, a fuel cell temperature acquisition device and an environmental temperature acquisition device. A control method comprises the step that the fuel cell controller controls the rotating speed of the air pump, the exhaust period of the hydrogen tail exhaust electromagnetic valve and the purging time in the shutdown process according to the temperature of the fuel cell and the environmental temperature. The shutdown purging system and the purging method for the vehicle-mounted fuel cell power generation system have the beneficial effects that the purging process depends on power generated by the fuel cell power generation system and the feed of a storage battery, which is caused by shutdown purging, can be prevented; and the purging is not limited by time, is determined according to the fuel cell and the environment state and is completely carried out by liquid water.

The invention provides a breeding method for intermediate breeding of Anguilla marmorata fries. The breeding method comprises the steps of intermediately breeding the Anguilla marmorata fries in a cement breeding pond in the early stage and breeding the Anguilla marmorata fries in an earthen pond in the later stage. A net box and water flow boosters are arranged in the process of intermediately breeding the Anguilla marmorata fries in the cement breeding pond in the early stage, and the Anguilla marmorata fries are bred in the net box, so that the metabolites of the Anguilla marmorata fries can be conveniently filtered and deposited, the survival environment is optimized, and the breeding survival rate is increased; the four water flow boosters are arranged at the four corners of the cement breeding pond, so that water flow circulates anticlockwise, a flowing water environment is created for the Anguilla marmorata fries, Anguilla marmorata can frequently move in the flowing water environment, the bait intake speed and the growth speed of the Anguilla marmorata are increased, and the survival environment of the Anguilla marmorata is optimized; the Anguilla marmorata fries are bred for 1-2 months in the cement breeding pond and fed with blood worms in the early stage and eel powder 7 days before leaving from the pond, after the Anguilla marmorata fries are fed with the eel powder, the Anguilla marmorata fries reaching 1 g per fry are transferred into a half mu (1 mu is 1 / 6 of acre) of the earthen pond for later breeding of the Anguilla marmorata fries, and the unqualified Anguilla marmorata fries are still concentrated in the cement breeding pond and continue to be fed with the blood worms; and during the process of breeding the Anguilla marmorata fries in the earthen pond, the Anguilla marmorata fries are mainly fed with the eel powder in the early stage and occasionally fed with the blood worms, all the Anguilla marmorata fries reaching 5 g per fry are fed with the eel powder, and the Anguilla marmorata fries reaching 10 g per fry are transferred into an Anguilla marmorata growing pond for breeding.

The invention discloses a vertical automatic wall tiling device for building construction. The vertical automatic wall tiling device for building construction comprises a base, wherein four first hydraulic machines are fixedly arranged at the top end of the base; one ends of first hydraulic rods of the four first hydraulic machines are fixedly connected to four corners at the bottom end of a shell; a groove is formed in the middle of the shell; and a first chute is formed in a bottom plate in the groove. According to the scheme, by arranging a tiling mechanism, a transport plate transports wall tiles into the groove. When the wall tiles are in contact with a contact sensor, a fifth electric telescopic rod stretches to limit and fix the wall tiles; a fourth electric telescopic rod stretchesto push the tiling mechanism out; a sixth electric telescopic rod stretches to push the wall tiles out of the groove; by arranging the first hydraulic machines and the first electric telescopic rod,the height and the transverse position of a slide barrel are adjusted; by arranging parts such as a wall tile placing groove and the transport plate, the wall tiles can move; by arranging a high precision distance sensor, the distance between the slide barrel and the wall can be detected.

The invention provides a DC / DC (DC-DC converter) control method of a hybrid power vehicle. The DC / DC control method comprises: step one, a vehicle controller detects a current signal of a high-voltage DC bus on the terminal of a power battery, a current signal of a low-voltage DC bus on the terminal of a 12V battery, and a voltage signal on the terminal of the 12V battery; step two, the vehicle controller determines the status of charging and discharging of the power battery; step three, the vehicle controller estimates the state of charge of the 12V battery; step four, the vehicle controller makes DC / DC on / off judgment; step five, the vehicle controller calculates the required output voltage of a DC / DC; and step six, the vehicle controller sends DC / DC on / off command signals and required DC / DC output voltage command signals to the DC / DC, and the DC / DC executes the commands from the vehicle controller. The method eliminates the charge / discharge loss of the power battery during the process of converting the high-voltage electrical energy to the low-voltage electric energy. The DC / DC can be timely turned on for charging the battery to prevent feeding of the battery, so that the transmission loss of electric energy is reduced, the conversion efficiency of electric energy from high voltage to low voltage is improved, and the rate of fuel saving is increased.

The invention discloses an iron casting online automatic finishing device and an iron casting online automatic finishing method. The iron casting online automatic finishing device comprises a supplied material conveying line, a safety chamber used for finishing of iron castings, a discharge conveying line used for conveying and storing the iron castings machined through finishing, and a centralized controller used for online automatic finishing control. A first lifting table used for assembling iron casting materials on an empty tray to form a load-bearing tray is arranged between the supplied material conveying line and the safety chamber. A temporary storage table used for temporarily storing the load-bearing tray conveyed to the safety chamber and temporarily storing the empty tray supplied to the first lifting table is arranged between the first lifting table and the safety chamber. A second lifting table used for separating the iron castings where finishing is completed from the load-bearing tray and sending the iron castings to the discharge conveying line is arranged between the safety chamber and the discharge conveying line. It is ensured that finishing of the iron castings is conducted in order, and online automatic finishing of the iron castings is achieved by conducting transferring through the lifting tables.

The invention discloses a dual-header dual-roller high-clearance rice harvesting machine which comprises a walking power system provided with a hydraulic continuously variable transmission and an engine, a high-clearance base disc provided with a walking device, a dual-roller cleaning assembly arranged on the high-clearance base disc, a dual ear collecting header located at the front end of the dual-roller cleaning assembly, two scraper-type straw conveying devices located at left and right straw outlets and installed on a high-clearance base disc rack, a driving cab and a control console located at the upper end of the engine, a pair of grain elevators arranged on the two sides of the driving cab and the control console, and a dual-layer lower cutting tool arranged below a shell of the dual ear collecting header. According to the dual-header dual-roller high-clearance rice harvesting machine, the operation height of the dual-layer lower cutting tool can be adjusted, the harvesting machine is applicable to the crop harvesting operation with the requirement for the stubble height, only ear heads are cut down, the working efficiency can be effectively improved, the threshing and cleaning power consumption are lowered, discharged crushed straw is laid on a caterpillar band to be ground, the phenomenon that straw covers stubble is avoided, and the harvesting machine is applicable to common rice harvesting operation.

The invention discloses a power supply management method of a vehicle security system. The method comprises the following steps of: starting up the system, detecting whether an external power supply exists or not by the system and selecting a corresponding power supply mode; monitoring the state of external equipment by the system and judging the working state of the system; when the system detects the condition that the voltage of the external power supply is lower than a first voltage threshold value, cutting off the power supplied by the external power supply by the system and supplying power by adopting an internal battery; when the voltage of the internal battery is lower than a second voltage threshold value, automatically powering off by a GSM (Global System for Mobile Communications) / GPRS (General Packet Radio Service) module; continuing running by a master controller and closing a GPS (Global Position System); and when the voltage of the batteries is lower than a battery protection voltage, powering off by the system. The invention improves the power supply management of the system through improving the power supply circuit of a vehicle-mounted GPS / GPRS anti-theft apparatus and ensures that the working time of the system can be prolonged under the conditions of reducing the system power consumption under an SLEEP mode, avoiding vehicle feed and only using the internal batteries so as to guarantee the normal running of an anti-theft tracking system.

The invention discloses a feed crushing and classified collection device. A feeding mechanism comprises a feeding channel. One end of the feeding channel is connected with a feeding port, and the other end of the feeding channel is horizontally provided with a feeding baffle. One end of the feeding baffle is hinged to the side wall of a box body, and the other end of the feeding baffle is erected on a primary regulating wheel. A crushing mechanism comprises a crushing box. The crushing box is connected to the eccentric position of a rotary table through connection rods, the axis of the rotary table is rotationally connected to a support plate through a rotating shaft, a crushing drive motor drives a crushing frame inside the crushing box, and the bottom of the crushing box is provided with primary sieve holes. A sieving mechanism comprises a primary sieve net and a secondary sieve net which are horizontally arranged, one end of the primary sieve net is hinged to the side wall of a box body, the other end of the primary sieve net is arranged on a secondary regulating wheel, one end of the secondary sieve net is hinged to the side wall of the box body, the other end of the secondary sieve net is erected on a tertiary regulating wheel, a primary box door is arranged at the hinged position of the primary sieve net, a secondary box door is arranged at the hinged position of the secondary sieve net, the crushing effect is good, and the classification sieving function is achieved.

The invention discloses a method for breeding octopus in a man-made pond, comprising the following steps: using a sea breeding manner in a man-made pond with the seawater depth of the pond being 1.5-2m, and oxygenating for the seawater with an oxygenating device; placing a breeding tank at the bottom of the pond by a polyethylene rope with a number of at least 15 per square meter; placing seedlings that are at least 3 cm long in the pond with a breeding density of 10-15 per square meter; and placing mulluscs lower in living bodies such as quadrangle clams and short necked clams as well as small crabs for one time or many times according to the breeding density and the ingestion intensity. The method improves the pond breeding environment, satisfies the burrow habit and the requirement ofbait nutrition, changes the habit of cannibalism and improves the survival rate, the growth speed and the economical benefit of the octopus.

The invention relates to the field of logistics, in particular to an accurate recognition labeling marking system and a tobacco carton accurate recognition labeling marking system. The system comprises a conveying line, a posture correction mechanism, a kind recognition mechanism, a labeling mechanism and a coding mechanism; the conveying line is used for conveying packaging boxes; the posture correction mechanism carries out posture correction on the packaging boxes entering the conveying line; the kind recognition mechanism is arranged at the rear end of the posture correction mechanism andrecognizes the kind of the packaging boxes conveyed on the conveying line; the labeling mechanism carries out label pasting operation on the packaging boxes, and labels are matched with the kind of the packaging boxes; the coding mechanism carries out laser serial number marking operation on the packaging boxes, and the serial numbers are matched with the kind of the packaging boxes. Each packaging box is subject to digital code precise giving, uniqueness and effective management of the identity of each packaging box can be achieved, finally, through precise labeling and two-dimensional code giving, precise binding, precise association, precise marketing, precise anti-counterfeiting and other functions are achieved.

The invention discloses a cuttage breeding method for quickly establishing an alfalfa clone. The cuttage breeding method comprises the following steps: (1) preparing an alfalfa vegetative propagation seedling bed; (2) preparing and sterilizing soil; (3) performing a specific branch cutting operation method; (4) managing cuttage seedlings; (5) transplanting vegetative propagation seedlings; (6) performing filed management after transplanting. According to the cuttage breeding method disclosed by the invention, the problems of being slow in rooting, low in survival rate and the like of alfalfa cuttage breeding can be solved. The method is suitable for quickly and efficiently establishing the cuttage clone, and has the characteristics of being simple to operate, low in cost, quick and efficient, and capable of remarkably shortening the vegetative propagation breeding time and increasing the cuttage breeding survival rate.

The invention discloses large-seaweed anti-wind wave cultivation apparatus used for adsorbing and purifying arsenic in seawater. The apparatus comprises a floating frame, a sunk frame arranged below the floating frame, floating balls and counterweight blocks, the floating balls are connected with the floating frame through ropes, the counterweight blocks are connected with the sunk frame through ropes, a plurality of supporting rods are fixed between the floating frame and the sunk frame at intervals, the floating frame, a shaping frame and the supporting rods form a cultivation framework, a plurality of upper-lower symmetrical hanging ropes are separately arranged in the floating frame and the sunk frame at intervals, seedling ropes are fixed between upper hanging ropes and lower hangingropes, seedling clamps are arranged on the seedling ropes along a longitudinal direction at intervals, hollow cavities communicating with each other are arranged in the floating frame, the hollow cavities form a buoyancy regulating cavity, the bottom surface of the floating frame is provided with a one-way drainage pipe which communicates with the buoyancy regulating cavity, and the floating frameis provided with a buoyancy control device for controlling floating and sinking of the floating frame. According to the invention, the seawater or air is introduced into the buoyancy regulating cavity in the floating frame through the buoyancy control device to control the sinking and the floating of the floating frame, so that the wind wave resisting capacity is improved, the protection of the cultivation framework is realized, and the stable growth and propagation of large seaweed are facilitated.

The invention belongs to the field of aquaculture and relates to a method for preventing and controlling shrimp infectious diseases. The method comprises the following steps of: throwing 80,000 to 100,000 prawn seeds into per mu of a sea area with high-salinity seawater; and when each prawn is bred to be 0.3 to 0.7 gram, throwing 15 to 20 pieces of the Epinephelus malabaricus into per mu of the sea area with high-salinity seawater, wherein each piece of the Epinephelus malabaricus is 0.10 to 0.15 kilogram. A large number of tests prove that the Epinephelus malabaricus of 0.10 to 0.15 kilogram eats the prawns dying of illness in a prawn culture pond, and the probability of eating the healthy prawns is very small due to the habits of the healthy prawns. The problem of low survival rate of the cultured prawns because the healthy prawns are eaten is solved; and the shrimp infectious diseases are effectively prevented and controlled.

The invention belongs to the technical field of preparation of nano materials and nitrobenzene wastewater treatment, particularly relates to a method and a device for supergravity on-line preparation of nano zero-valent iron and synchronous treatment on nitrobenzene wastewater, and aims to solve the problems that conventional nano zero-valent iron is complex in preparation process, conditions are rigorous, the preparation process is not easy to amplify, nanoparticles are easy to agglomerate, oxidize and deactivate in the processes of drying, storage and use, and the like. The method comprises the following steps: enabling a ferrous salt containing nitrobenzene wastewater solution and a KBH4 or NaBH4 aqueous solution to react in an impinging stream device for collision, feeding into a rotating packed bed for mixing and reacting, and implementing preparation of nano zero-valent iron and treatment on the nitrobenzene wastewater by using the nano zero-valent iron simultaneously. The method and the device have the advantages that the situation that the nano zero-valent iron can be reacted with nitrobenzene only after being completely developed into large particles in a conventional method is avoided, the nano zero-valent iron can be relatively sufficiently utilized, the amount can be remarkably reduced, multiple steps of reaction is reduced to one step, the reaction can be implemented rapidly, the retention time is shortened, continuous operation can be achieved, and the method and the device are applicable to nitrobenzene wastewater treatment which is large in treatment volume and heavy in treatment task.

The invention discloses a standby management method and system of an intelligent vehicle-mounted information entertainment system. A clocked flip-flop and a counter are arranged in the vehicle-mounted information entertainment system, and a base board processor and a core board processor of the vehicle-mounted information entertainment system are matched to form a standby repair mechanism, so that after a vehicle is off, the base board processor on the vehicle-mounted information entertainment system can trigger and monitor the standby state of a core board application processor on time, the power-on and off and the standby state of the core board application processor are controlled, the vehicle-mounted information entertainment system can normally enter the standby or sleep state after the vehicle is off, and system feed can be still prevented after the system is off.

The invention discloses a mobile terminal and a test method therefor. The mobile terminal comprises an antenna unit, a test connection unit and a radio frequency unit. The test connection unit is connected with the antenna unit and the radio frequency unit. The test connection unit is used for connecting the antenna unit with a probe terminal of a test device in a first test mode, and disconnecting the antenna unit from the radio frequency unit, and is also used for connecting the radio frequency unit with the probe terminal of the test device in a second test mode, and disconnecting the antenna unit from the radio frequency unit. Through adoption of the mobile terminal, the strength of coupling noise received by the antenna unit in the mobile terminal and the conduction index of the radio frequency unit in the mobile terminal can be tested accurately.

The invention discloses hydrophobic oleophylic modified synthetic mica and a preparation method thereof. The method comprises the following steps: mixing synthetic mica with water, adding an ammonium ion pretreatment agent and a surface treatment agent, ultrasonically dispersing for enabling the synthetic mica, the pretreatment agent and the surface treatment agent to be in uniform contact with each other, performing solid-liquid separation to obtain a wet solid phase, and finally drying the wet solid phase to obtain the modified synthetic mica. According to the preparation method, the drying and sintering processes of the synthetic mica are simultaneously carried out, so that the process is simplified, the two-time heating energy consumption process required for carrying out the drying and sintering processes respectively is avoided, the heat energy required for the modification process is efficiently utilized, and the production cost is reduced. The obtained synthetic mica powder is excellent in hydrophobic and oleophylic performances, has the water contact angle of 120-130 degrees and the organic solvent contact angle of 0-15 degrees, can be well dispersed in n-hexane, and well meets the requirements of cosmetic, coating, plastic and rubber industries.

The invention discloses a preparation method of sulfur-containing steel for engineering machinery. The preparation method comprises the following steps that (1), converter smelting is carried out, specifically, a molten iron pre-desulfurization procedure is not carried out before the converter smelting process, and in the converter smelting process, the mass percentage content of C at the end point of a converter is controlled to be greater than or equal to 0.06% or the tapping oxygen level is controlled to be less than or equal to 400ppm, and the tapping temperature is controlled to be greater than or equal to 1560 DEG C; and (2), converter tapping is carried out, specifically, converter bottom stirring is started before molten steel tapping, the oxidability and the P content of molten steel are reduced, and deslagging is carried out before converter tapping, a carburant is added for pre-deoxidation in the early stage of tapping, then an alloy, a deoxidizing agent and slag charge aresequentially added for deoxidation alloying, argon blowing is kept in the whole deoxidation alloying process, and a double-gear mode is adopted for tapping in the later stage of tapping. According tothe preparation method, the content of sulfur in the steel can be stably controlled, the preparation process is simple and controllable, and by placing the slagging-off treatment in the converter tapping stage, the situation that after the slagging-off treatment is placed in the LF treatment, part of steel and iron materials are lost is prevented.

A paper feeding apparatus of a printer is provided and includes a double feed prevention unit. The paper feeding apparatus includes a finger unit for generating a curl at a front edge portion of the paper picked up by the pick-up roller. The finger unit presses the front edge portion of the paper that is mounted on the knock-up plate. A ventilation device is also provided to form an air gap under the picked paper by injecting air in the air chamber toward the front edge portion of the paper.

The invention belongs to the field of novel renewable energy technologies and aquaculture devices and particularly relates to a novel fish tank capable of automatically feeding by utilizing tide. The novel fish tank comprises a water storage room, a connecting pipe, a fish breeding room, an anchor chain, a piston, an upper-layer feed bin, a one-way valve and a lower-layer feed bin. The novel fish tank is characterized in that the water storage room is positioned at the upper part, the fish breeding room is positioned at the lower part, and both the water storage room and the fish breeding room are communicated with each other through the connecting pipe; four corers at the lower part of the fish breeding room are fixed at the sea bottom through an anchor chain connecting grip anchor. The novel fish tank has the benefits that fishes in the fish tank can be automatically fed by the utilization of sea water level change and in combination with high and low water head difference in the tidal process; the novel fish tank has the advantages of higher reliability and easy manufacture, mounting and movement.

The invention discloses a biological prevention and control method for controlling prawn diseases through grass carps. In the method disclosed by the invention, grass carps are thrown in prawn culture zones, thereby realizing the prevention of communicable diseases of prawns and improving the survival rate of the prawns. The method disclosed by the invention can avoid propagation and spread of prawn diseases in healthy prawn groups, thereby reducing the workload of artificially clearing diseased prawns and dead prawns, improving the clearing efficiency and culture success rate, and bringing greater economic benefit for culturists.

The invention relates to a punch with a mechanical feeding device. The punch comprises an upper die, a lower die, a rack component, a motor and a moving component, wherein the rack component comprises a bottom plate and a wall plate; the moving component comprises a first cylinder, a second cylinder, a worm gear, a worm, a lead screw and a lift platform; the motor is fixedly connected with the bottom plate; one end of the lead screw is movably connected with the bottom plate; the other end of the lead screw is fixedly connected with the lift platform. The punch has the beneficial effect that manual feeding and downloading operation is avoided by the punch so that the personal safety of an operator is guaranteed, the safety performance of the punch is improved and the degree of automation of the punch is increased.

The invention discloses an intelligent pet caring device based on a technique of Internet of Things. The intelligent pet caring device comprises an electromagnetic valve, a caring device shell and a monitoring camera, wherein a wireless network transceiver is arranged below the left side of the caring device shell, a charging port is formed in the left side of the caring device shell and close to the rear part of the wireless network transceiver, a graphene battery is arranged at the lower left part in the caring device shell, the charging port is electrically connected with the graphene battery, and a discharging hopper is arranged at the upper part close to the graphene battery in the caring device shell. The electromagnetic valve is used for conveniently controlling the discharging amount of feeds; the monitoring camera is used for conveniently observing situations of a pet in a room, and the pet can be reminded by virtue of a loudspeaker while rummaging around, so that the rummaging problem of the pet is avoided; a volume detector can be used for detecting whether the sound of the pet in the room is too loud in real time and timely informing a remote monitoring terminal, so that the problem that the neighbors are bothered about the loud noise of the pet is avoided.

The invention belongs to the field of aquaculture and relates to a method for preventing and controlling prawn communicable diseases by Epinephelus coioids. The method comprises the steps of: releasing young prawns in high-salinity seawater, wherein the releasing amount is 80,000-10,0000 fish per mu (mu refers to a unit of area); when the prawn is cultivated to 0.3-0.7 gram, releasing the Epinephelus coioids into the seawater, wherein the weight of each Epinephelus coioids is 0.10-0.15 kg, and the releasing amount of the Epinephelus coioids is 15-20 fish per mu. Large amount of experiments prove that: the Epinephelus coioids about 0.10-0.15 kg in weight can eat ill and dead prawns in a culture pond, the probability of eating healthy prawns is very little due to the habit of the healthy prawns. According to the characteristic, the problem that the survival rate of the bred prawns is low because the healthy prawns are eaten is solved, and simultaneously, the prawn communicable diseases are effectively prevented and controlled.

The invention discloses a pipe bending device in a pipe bending machine. The pipe bending device comprises a rack, the front end of the rack is movably and vertically provided with a main shaft in a supporting mode, the top of the main shaft is provided with a wheel die, and the main shaft is driven by a first drive mechanism to rotate; the main shaft is movably sleeved with a pipe bending arm which can be driven by a second drive mechanism to rotate relative to the main shaft; the top of the pipe bending arm is provided with a horizontal guide rail, the horizontal guide rail is slidably provided with a sliding block, the sliding block is driven by a third drive mechanism to move along the horizontal guide rail and provided with a clamping die which can be matched with the wheel die to clamp a pipe, and the outer end, opposite to the main shaft, of the sliding block is provided with an insertion key; the main shaft is further fixedly sleeved with a positioning disc, and a key slot for allowing the insertion key to be inserted is formed in the positioning disc. When the pipe bending arm is located on a die clamping station, the third drive mechanism can drive the sliding block to transversely move until the insertion key is inserted into the key slot, so that the pipe bending arm and the main shaft are fixed with each other, and the clamping die can exactly clamp the pipe together with the wheel die. The pipe bending device has the advantages of being high in usage safety and wide in application range.

The invention provides a bending and angle wrapping mold for end heads of a refrigerator door shell. The bending and angle wrapping mold comprises an upper mold, a lower mold and a bending and angle wrapping mechanism which is located between the upper mold and the lower mold, wherein the upper mold comprises an upper mold seat, an upper support plate, a material prepressing plate, a material pressing plate and a telescopic piece; the lower mold comprises a lower mold seat and a bending male mold; the bending male mold is horizontally mounted at the middle part of the lower mold seat; and the bending and angle wrapping mechanism comprises connecting rods, bending female molds, bending female mold connecting seats and angle wrapping blocks. According to the bending and angle wrapping mold disclosed by the invention, a conventional bending mold and a conventional angle wrapping mold are combined, so that the defects of folding, paint peeling, film peeling, unevenness and the like generated at the bending and angle wrapping positions of the refrigerator door shell can be effectively avoided; the machining accuracy is high; and the usage is safe and convenient.

The invention discloses an electric bus double-source power-assisted steering system and a control method to achieve safety of steering of an electric bus. Under the normal condition of a bus, a powerconversion device and a specific control method are adopted, a high-voltage power supply of the bus is preferentially used for supplying power for a steering controller, and the continuous normal operation of the steering system is ensured; and meanwhile, the seamless cut-in of a direct-current converter is carried out under the condition of abnormal power failure of the high-voltage power supply, and a low-voltage power supply can be used for supplying power for the steering controller so as to continuously maintain a power-assisted steering function, so that the steering reliability in therunning process of the bus is ensured, and potential safety hazards caused by sudden failure of steering power after high-voltage abnormal power failure are avoided.

The invention discloses a method for breeding aphidius gifuensis within a short cycle. The method comprises the steps of: host plant cultivation, pest species breeding, and aphidius gifuensis large-scale breeding. A breeding cycle of the whole process is 29-40 days. Each dish of brassica chinensis can breed more than 12000 of aphidius gifuensis, a parasitism rate of the aphidius gifuensis is 95%, a formation rate of stiff aphids is 60%, and stiff aphids of the aphidius gifuensis in each dish can be used for controlling 10-15 mu of aphid-damaged farmland. Brassica chinensis of a vegetable variety is adopted as a host plant with high strong adaptability and fast growth; and the brassica chinensis a host plant variety with a shortest cultivation cycle in current breeding technology of sphidius gifuensis, thereby reducing a breeding cycle of the aphidius gifuensis, and improving breeding efficiency of the aphidius gifuensis. The method adopts a flotation breeding method for cultivating the host plant, is simple in process step and solves the problems such as high breeding energy consumption, a tedious technical process, poor activity of the aphidius gifuensis, and irregular formation of the stiff aphids of the aphidius gifuensis, and can increases a utilization rate of the aphidius gifuensis for wide application in agriculture and forestry industry, thereby enabling the aphidius gifuensis to have better feasibility of production, promotion, and application.

The invention provides a novel battery electric vehicle power supply control mode. The control mode can simplify the operation processes of electrifying and discharging of a battery electric vehicle,improve the user experience, prevent a storage battery from feeding, and prolong the service life of the storage battery. According to the mode, the power supply mode of an existing automobile is simplified into three modes of OFF, ON and Ready from four modes of OFF, ACC, ON and START, due to the fact that a power supply button is not required to be pressed by the Ready, a power supply only has two modes of opening and closing for a user, the power supply mode is reduced, so that a user does not need to pay attention to power supply gears, the power supply can be used by turning on a switch,and the experience effect of the user is improved; and the ON state and the Ready state are redefined, during the ON state, the low-voltage storage battery is charged by a direct-current transformer in real time to prevent the storage battery from feeding, so that the service life of the storage battery is prolonged.

The invention discloses a quantitative feeding device for lotus seed processing equipment. The quantitative feeding device for the lotus seed processing equipment comprises a feeding hopper and a rotation feeding mechanism. The rotation feeding mechanism is arranged on the bottom in the front of the feeding hopper and comprises a main shaft, the two ends of the main shaft are supported by bearing seats, a belt wheel is arranged at one end of the main shaft, at least one material grabbing disc is arranged on the main shaft in the feeding hopper, openings corresponding to the material grabbing disc are formed in a vertical plate of lining plates and the front side wall of the feeding hopper, the material grabbing disc penetrates through the two openings, a discharging chute is formed in the bottom of the outer side of the front side wall of the feeding hopper, and the opening in the front side wall of the feeding hopper is communicated with the discharging chute. At least one groove is formed in the contour of the material grabbing disc, side plates are arranged on the two sides of the groove, and an auxiliary feeding plate is arranged at the inlet end of the groove in the circumferential direction. Circular-arc grooves are formed in the circumferential face of the material grabbing disc. The quantitative feeding device for the lotus seed processing equipment can feed materials evenly and quantitatively to the lotus seed processing equipment, the phenomenon that multiple lotus seeds are fed at one time can be avoided effectively, and the feeding quality and the feeding efficiency of the quantitative feeding device for the lotus seed processing equipment and the quality of the processed lotus seeds are improved.