39results about How to "Avoid disorder" patented technology

The invention discloses an ultrathin electronic glass slag box pressure control device and a using method, the ultrathin electronic glass slag box pressure control device comprises a nitrogen pipeline connected with a slag box, the output end of the nitrogen pipeline is sequentially connected with a U-shaped heating pipe and an output pipe, the output pipe is connected with a branch pipe in parallel, and the branch pipe extends to a lower cavity of the slag box through a cylindrical exhaust head; the nitrogen pipeline is provided with an electric butterfly valve, the input end of the heating pipe is provided with a flowmeter, the lower cavity of the slag box is provided with a pressure tapping pipe and a pressure gauge, and the output pipe and the branch pipe are wrapped by composite insulating layers. Through cooperative control of the electric butterfly valve, the flowmeter and the pressure gauge, the micro-positive pressure of the lower cavity of the slag box is maintained so as to block external invasion, nitrogen is heated and heat preservation is performed by means of tin bath waste heat, the process consistency is guaranteed, the quality of the lower surface of glass is remarkably improved, the requirements of TP grade judgment and the like are met, and the device is suitable for ultrathin electronic glass production scenes.

The utility model belongs to the technical field of heating furnaces for preparing and storing hydrogen materials, and particularly discloses a cooling and stirring structure of a heating furnace for preparing and storing hydrogen materials, which comprises a cooling fan arranged outside a heating furnace body and a cooling component positioned in the heating furnace body, and the cooling fan is communicated with the cooling component through an air inlet pipe; a supporting assembly is arranged on the outer side of the air inlet pipe and connected with the cooling assembly, an air cylinder is arranged at the top of the heating furnace body, and the output end of the air cylinder is connected with the supporting assembly and used for driving the cooling assembly to move vertically. The cooling assembly is arranged in the heating furnace body, the cooling assembly is communicated with the external cooling fan to further cool a melt-spinning sheet falling off from the cooling roller in an accelerated mode, the air cylinder is connected with the cooling assembly, ascending and descending of the cooling assembly are achieved, and the melt-spinning sheet is crushed and stirred. The specific surface area of the material is greatly increased, the surface sites of the hydrogen storage material for adsorbing hydrogen are increased, and the hydrogen storage efficiency is effectively improved.

The utility model belongs to the technical field of cooling unit, concretely relates to a double -sided air -intaking circulating cooling unit for nuclear power station, including unit base and unit box, the unit box is barrel -shaped structure, and the opening side of unit box is connected with unit base buckle, and unit base is provided with the through -hole and forms the air outlet, the opposite sides wall of unit box is provided with the air inlet symmetrically, and the air inlet is covered with air -intaking treatment subassembly, the utility model discloses the design of unit box double -sided air -intaking makes filter, cooler two -sided air -intaking, can reduce the cross -sectional dimension of circulating cooling unit under the condition that total air -intaking area is invariable, thereby making circulating cooling unit can be arranged in the annular corridor of inside safety shell.

The present specification provides a rotorcraft capable of suppressing a temperature rise of a fuel cell more effectively than conventionally using an air flow of a rotor. A rotorcraft disclosed in the present specification is provided with: a rotor for generating lift force; a hydrogen source; and a flow path pipe for conveying hydrogen from the hydrogen source to the fuel cell stack. And the flow path pipe passes through the lower part of the rotor. A rotorcraft disclosed in this specification utilizes an airflow generated by a rotor to cool hydrogen prior to entering a fuel cell stack. A rotorcraft disclosed in the present specification can suppress a temperature increase in a fuel cell stack by supplying cooled hydrogen to the fuel cell stack.

The utility model provides a kind of rear spoiler that inhibits the turbulence of airflow around vehicle and reduces the possibility of falling during angle adjustment of the wing part of rear spoiler.The wing part (14) of rear spoiler (12) is supported by supporting part (16) via fixed position support structure (18) and adjustment support structure (20) at its both ends.The fixed position support structure and adjustment support structure are configured inside the vehicle width direction of supporting part.The fixed position support structure includes bonding flange (22) arranged on the wing part, and the adjustment support structure includes support bar (28) as the part of bonding flange extending rearward and support bracket (30) fixed on the inner side of the vehicle width direction of the side of supporting part.Angular adjustment long hole (32) and brace receiving opening (50) receiving support bar are formed on the support bracket.The falling of wing part is prevented by the support bar hooked on the lower edge of brace receiving opening.

A cathode material, its preparation method, a cathode sheet, and a secondary battery are disclosed. The cathode material includes a core and a buffer layer. The core contains a first lithium manganese iron phosphate doped with a metal element. The buffer layer covers the outer surface of the core and contains a second lithium manganese iron phosphate. Along the thickness direction of the buffer layer, the iron-manganese ratio near the core is smaller than that far from the core. This cathode material can solve the problem that existing lithium manganese iron phosphate exhibits a dual-voltage plateau characteristic during charge and discharge, affecting the accuracy of charge state estimation.

A kind of sliding formwork steel bar spacing and concrete cover thickness control device, belong to the technical field of water conservancy and hydropower engineering construction, including positioning angle steel, the positioning angle steel is fixedly connected on jack crossbeam, several positioning blocks evenly arranged are connected on the positioning angle steel along its length direction, positioning hole is opened in the positioning block, the hole wall of the positioning hole is recessed to form recess, several ball bearings are arranged in the recess along its circumferential direction.The positioning angle steel and the positioning hole in the utility model are arranged to accurately control the steel bar spacing and the concrete cover thickness, at the same time, the setting of ball bearing also avoids the steel bar that is inserted into positioning hole from being jammed, to ensure that the quality of sliding formwork construction concrete meets the design standard.

The utility model discloses a framework structure and motor, include: the lead wire side framework and the opposite lead wire side framework of configuration at the both ends of stator core, the lead wire side framework includes: first component, along the axial direction and axial extension, a plurality of second components, and the second component is spaced apart each other and is arranged in the radial inboard of first component and along the circumference direction of first component extension, through the mode of thinning the tooth wall thickness of second component, forms the winding area between first component and second component, and the first reinforcing part is arranged at the connecting place of winding area and second component. Through above -mentioned mode, the utility model can realize to winding slot full rate, and the strength of framework tooth wall is compensated to reinforcing part, guarantees the strength and stability of framework overall structure.

The invention relates to the technical field of microorganisms, in particular to streptomyces noursei for producing multi-fungal element B and a method for increasing the yield of the multi-fungal element B. According to the streptomyces noursei for producing the multi-fungal element B, negative regulation of the multi-fungal element B is relieved or negative regulation is relieved and positive regulation is enhanced through a combined genetic engineering strategy, so that the yield of the multi-fungal element B is remarkably increased, and byproducts are remarkably reduced; in addition, the strain also has relatively high genetic stability. The method for increasing the yield of the polymycotin B of the streptomyces nosella provides an effective transformation target for construction of a polymycotin B production strain, and has a relatively good application prospect in the production of the polymycotin B. The invention further provides a method for improving the yield of the polymycotin B of the streptomyces nosella.

The invention discloses a continuous winding drum type drawing device, and relates to the technical field of copper wire drawing devices, the continuous winding drum type drawing device comprises a rack, the top of the rack is sequentially provided with a pay-off assembly, a multi-mold drawing assembly and a limiting assembly from left to right, and the pay-off assembly, the multi-mold drawing assembly and the limiting assembly are all installed on the upper surface of the rack through bolts; the multi-winding-drum drawing mechanism and the winding device are arranged on the upper surface of the rack; by arranging the adjustable wrap angle guide assembly, a driving motor drives a screw rod to rotate, so that a movable sliding block moves along the screw rod, the relative position between a first guide wheel and a second guide wheel is changed, a wrap angle formed by winding a copper wire around the two guide wheels is changed, and the contact length and friction force between a wire rod and the guide wheels are adjusted accordingly; therefore, accurate control over tension in the drawing process is achieved, and the problem of wire breakage or quality fluctuation caused by too large or too small tension is solved.

The invention relates to the technical field of chip packaging, and provides a chip packaging welding method, which comprises the following steps of: putting a chip workpiece and a jig into a preheating area, vacuumizing and then preheating; infrared heating is started to a first welding temperature after transferring into a welding area, advancing is conducted at a first conveying speed, the vacuum degree and the temperature are monitored in real time, the vacuum degree is not lower than a threshold value, if vacuum continues to decrease and exceeds the threshold value or temperature fluctuation exceeds the threshold value, infrared heating is suspended, and parameters are adjusted and speed is increased according to an actual pumping speed formula of the molecular pump; after welding, entering a cooling area, and maintaining the vacuum degree of 5 * 10 <-4 >-8 * 10 <-4 > Pa for cooling; and finally, closing a main pumping valve of the molecular pump, slowly opening an inflation valve, and inflating dry nitrogen according to an inflation time formula until the pressure in the furnace is balanced with the atmospheric pressure. And the process stability is good, the consistency of batch chip packaging quality can be ensured, and the welding spot defect is low.

The utility model relates to nozzle base technical field discloses a powder spray gun nozzle base, including base body, is equipped with powder anti -accumulation structure on the base body, powder anti -accumulation structure is used for scattering and guiding flow of the powder that enters, can scatter and guide flow of the powder that enters the base through the powder anti -accumulation structure that sets up, avoid the agglomeration accumulation of powder in the base interior, prevent powder delivery channel block, and the installation groove is cooperated with resistance installation channel, and the high -voltage output is realized through the electric connection of the conducting ring and resistance, and the high -voltage electric field needed for electrostatic spraying provides the basis, ensures that powder can effectively charge, the communication design of air inlet, flow guide hole, air mixing hole can guide compressed air accurate blowing to electrode needle, and timely remove the powder that adheres on the surface of electrode needle, avoid the high -voltage electric field disorder caused by powder accumulation, guarantee high -voltage output stability, and then reduce the spraying defect that causes the electric field unevenly.

This utility model discloses a cyclone separator for a biomass circulating fluidized bed boiler, comprising a flue gas inlet section, a gas-solid two-phase separation section connected to the flue gas inlet section, a flue gas outlet section connected to the top and bottom of the gas-solid two-phase separation section respectively, and a solid return section. The solid return section includes multiple coaxially connected and fixedly connected solid return straight sections and multiple solid return conical sections, which are arranged at intervals in the vertical direction. Flue gas flows in from the flue gas inlet section, rotates along the inner wall of the gas-solid two-phase separation section, and achieves gas-solid two-phase separation through centrifugal force. The gas phase flows out through the flue gas outlet section, and the solid phase is returned from top to bottom through the solid return section. Through segmented and optimized solid return path and gas-solid separation flow field, the intermittent blockage problem caused by alkali metal adhesion in traditional cyclone separators is solved, avoiding forced boiler load reduction or shutdown. It is especially suitable for biomass combustion scenarios with complex fuel types and variable ash composition.

The invention relates to the technical field of inverters, in particular to a switching wave control method, system and device of a bidirectional buck-boost circuit and a medium. The method comprises the steps that battery information of a low-voltage battery is obtained, the battery information comprises at least one of battery state information, voltage information and current information, and state combination information of a booster tube and a step-down tube is obtained according to the battery information; acquiring a high-voltage side voltage and a low-voltage side voltage of the bidirectional buck-boost circuit, and acquiring a current feed-forward value according to the high-voltage side voltage and the low-voltage side voltage; operating a voltage loop operation and a current loop operation based on the high-voltage side voltage and / or the low-voltage side voltage; reading set mode parameters of the bidirectional buck-boost circuit, and judging whether the set mode parameters are matched with the state combination information or not; if not, the set mode parameters are modified according to the state combination information, and the voltage loop operation and the current loop operation are carried out again based on the modified set mode parameters. According to the invention, stable and efficient control of the bidirectional buck-boost circuit can be realized.

The present application belongs to the technical field of coating hanging conveying, and discloses a kind of hanging conveying device of coating production line workpiece, including suspension conveyor body, track frame is installed on suspension conveyor body, slidingly connected with idler on track frame, chain body is drivingly connected on suspension conveyor body, and suspension frame is arranged below chain body.The present application constructs the connection interface of non-disengagement between the chain body of suspension conveyor body and suspension frame by hanging connecting piece, and solves the limitation of rigid following of suspension frame by differential fine adjustment assembly, by the meshing of adjusting box inside hanging plate and adjusting port on chain body, cooperates the locking effect of locking ratchet and clamping block, realizes the local accurate retention, lag conveying of workpiece on suspension frame under the premise of constant speed of chain body, without changing the whole line speed, the retention or pitch fine adjustment of single workpiece can be realized, solves the problem of difficult adjustment between spraying station waiting and mixed line production pitch.

The utility model relates to a combined structure of a water-cooling row and a fan. The combined structure comprises the water-cooling row and an axial flow fan set. The water-cooling row comprises a frame shell, a plurality of water-cooling pipes and a plurality of water-cooling fins, wherein the water-cooling pipes and the water-cooling fins are combined in the frame shell. And the plurality of water cooling fins are arranged among the plurality of water cooling pipes at intervals. The axial flow fan group comprises an axial flow impeller and a bearing seat combined with the axial flow impeller, and the bearing seat is positioned in the frame shell and is adjacent to at least one water cooling pipe; therefore, the efficiency of the fan and the heat dissipation efficiency of the water-cooling bar are improved.

The utility model discloses a kind of exhaust device of drying room, including frame body, and electric cylinder;It further includes the support of being fixedly connected to frame body outside;The cylinder body of electric cylinder is fixedly connected on support, the push rod of electric cylinder is perpendicular to frame body surface and is directed to frame body center place;Push rod end is fixedly connected with a sealing plate, and the inside of frame body is provided with stepped groove, and sealing plate is embedded in stepped groove when closing;Sealing plate outside is fixedly connected with a flow guide plate that passes out frame body, and the flow guide plate is used to block the circulating airflow in drying room and export circulating airflow from frame body;Sealing plate outside is provided with guide rod, and the guide rod is guided and is arranged on support.

The utility model discloses a kind of adjustable excavating depth's harrow leveler, it is related to harrow leveler technical field.The utility model includes hull, further include: adjusting part, the adjusting part is installed on hull, for adjusting the excavating depth of harrow leveler;And winding part, the winding part is installed on hull, for adjusting the winding degree of lifting steel wire rope in adjusting part;Wherein, when the excavating depth of harrow leveler is adjusted according to actual demand, winding part is started, and the excavating depth of harrow leveler is controlled by the cooperation of adjusting part.The utility model is adjusted by setting adjusting part, when using, if the excavating depth of harrow leveler needs to be adjusted, motor can be started, motor will be driven winding roller by shaft and release lifting steel wire rope, since lifting steel wire rope is connected with harrow leveler, under the assistance of single-wheel block on A letter frame, harrow leveler can be adjusted to suitable excavating depth, after depth adjustment is completed, because the tow steel wire rope of both sides of hull is fixedly connected with harrow leveler.

This utility model discloses a multi-branch starch slurry conveying pipeline device for clogging prevention, relating to the field of conveying equipment. The utility model includes a conveying pipeline body, which comprises branch pipelines and a main pipeline. A set of guide vane mechanisms is provided inside the connection between the main pipeline and the branch pipelines. The guide vane mechanism includes a base, a transmission rod, and a rotating rod. The base is embedded in the lower part of the pipeline, and guide vanes are provided on the surfaces of the transmission rod and the rotating rod. This utility model achieves automated adjustment of the guide vanes through the linkage design of the guide vanes, the reduction motor, and the flow sensor. This stabilizes the liquid flow state in the branch pipelines while reducing impact pressure on the pipeline, extending pipeline lifespan, and shortening maintenance cycles. Furthermore, the flow guiding function of the guide vanes further realizes basic flow distribution, simplifying the fine adjustment process of the valves.

The invention relates to the technical field of resin viscosity, in particular to a viscous polyester resin viscosity detection device which comprises a detection tank, a heater is arranged in the detection tank, a starting motor is fixedly connected to the outer side wall of the detection tank, and the output end of the starting motor is fixedly connected with a transmission rod. According to the device, after the liquid level of resin entering the detection tank is controlled through the liquid level intelligent sensor, the motor is started to drive the transmission rod and the stirring plate to rotate at a constant torque, and the rotating speed can be adaptively adjusted according to different resin viscosities; the addition operation of a diluent or a thickening agent is automatically triggered by virtue of the change of centrifugal force, so that the resin viscosity detection and blending are synchronously completed, a manual blending mode is abandoned, a trace multi-time blending mode is adopted, the excessive low or abnormal resin viscosity caused by excessive addition of a single auxiliary agent can be avoided, and the production efficiency is improved. And the viscosity regulation and control precision and the operation efficiency are greatly improved.

The invention relates to the technical field of air bearings, and discloses an air bearing device capable of preventing axial movement, the air bearing device comprises an air supply system, a bearing base body and a rotating roller, a permanent magnet pre-tightening structure and an electromagnetic fine tuning structure are embedded on the inner wall of the bearing base body, and the outer surfaces of the permanent magnet pre-tightening structure and the electromagnetic fine tuning structure are coplanar with the inner wall of the bearing base body; the permanent magnet pre-tightening structure at least comprises two sets of permanent magnets arranged at intervals, the electromagnetic fine tuning structure at least comprises two sets of electromagnetic modules, the electromagnetic modules are located on the outer sides of the corresponding permanent magnets and tightly attached to the corresponding permanent magnets, and the magnetic direction of the electromagnetic modules is opposite to that of the permanent magnets. The thrust disc adopts a gas-magnetic division design, prevents axial movement by utilizing magnetic force, adopts a design of taking permanent magnet as a main part and taking electromagnetism as an auxiliary part, is highly integrated, does not need to occupy additional axial space, is more compact in structure, adapts to small and high-speed main shaft scenes, and is controllable in electromagnetic heating defect compared with a traditional thrust disc structure.

A material conveying system includes a conveying device, a hopper ramp, two sensing units, a rotating pusher device, and a control unit. A conveying surface of the conveying device moves a wire product from a front end to a rear end of the conveying device. The hopper ramp is located at one side of the conveying device and is connected to the conveying surface. The sensing units are arranged in sequence to sense the wire product on the conveying surface. The rotating pusher device is located at the side of the conveying device to send the wire product to one of the hopper ramp and the rear end of the conveying device. The control unit operates the rotating pusher device according to the sensing of the sensing units. Through the above structure, the material conveying system can successfully guide the wire product to the rear end of the conveying device, and successfully push the wire product with a bad posture away from the conveying surface when the wire product is stuck, thereby avoiding the disorder of the conveying line and improving the conveying efficiency.

The invention provides a bidirectional DC-AC conversion method and system based on SiC and model prediction control, and relates to the field of industrial big data, and the method comprises the steps: obtaining a current and voltage instantaneous value and on-off state data of a silicon carbide device in a current sampling period, and carrying out the preprocessing; and performing current and voltage correction to generate a current and voltage data sequence, and if the current and voltage data sequence is abnormal, optimizing a future sampling period to determine the high-frequency switching dynamic behavior of the silicon carbide device. The switching action of the silicon carbide device is analyzed by utilizing the device function characteristics of the stable prediction model silicon carbide device to obtain an optimal switching action combination, and the system response track of the optimal switching action combination is simulated; and constructing a control instruction of the silicon carbide device by using the verified response track information to control the silicon carbide device to execute a specified switching action so as to realize accurate control on the switching action of the SiC device.

The invention discloses a high-concurrency message real-time storage method and device and a medium, and relates to the technical field of message storage, and the method comprises the steps: receiving a message sent by a client, and writing the message into a first-level cache; responding to the message, writing the message into the first-level cache, and returning a successful sending response to the client; generating a globally unique sequence identifier for the message, wherein the sequence identifier is used for determining the time sequence of the message; according to a preset fragmentation rule, determining a target storage fragment corresponding to the message; issuing the message carrying the sequence identifier to a secondary message queue bound with the target storage fragment, wherein the secondary message queue is used for buffering the message according to the sequence of the sequence identifier; and monitoring the second-level message queue, and writing the messages into a third-level persistent storage unit corresponding to the target storage fragment in batches according to the sequence of the sequence identifiers. Real-time storage of high-concurrency instant messages can be supported, strict and ordered messages are ensured, and the system is stable, reliable and efficient in storage.

This application discloses a method for preserving the aroma and optimizing the bubbles in prickly pear sparkling wine using mannoprotein. During the secondary fermentation stage of the prickly pear sparkling wine, mannoprotein is added to the fermentation system at an amount of 200-600 mg / L. This application addresses the problems of monotonous aroma and poor bubble quality in existing prickly pear sparkling wines.

This application discloses an oven that prevents wrinkles in thin carriers. The oven includes a body, at least one fan, at least one set of heat generators, and a support plate. The body has a feed end and a discharge end. The body forms an installation cavity between the feed end and the discharge end, and also forms a set of air outlets communicating with the installation cavity between the feed end and the discharge end. The fan is disposed in the installation cavity near the feed end, and the heat generator is also disposed in the installation cavity and located in the flow path of the airflow generated by the fan. The support plate is disposed above the air outlets and forms an arc surface on one side facing the air outlets, and an anti-wrinkle structure is provided on the arc surface.

The utility model discloses a kind of paint spray booth pry installation type air floatation wastewater reuse devices, including air floatation device, the air floatation device includes pool body, coagulation basin, belt pulley set, roll shaft, chain wheel set and support plate;Anti-accumulation component, the anti-accumulation component includes fixed plate, support pipe, spring, support column, aperture, limit block and hard scraper, the fixed plate is fixed in support plate one side both ends, support pipe one end swing joint is in the lower end of fixed plate side, spring one end is fixed in support pipe inboard, support column is inserted in support pipe, and it is fixed in spring other end, aperture is set in support pipe side edge, limit block one end is fixed in support column side edge, other end is inserted in aperture, hard scraper is fixed in support column other end away from spring. The utility model solves the problem that the dirt of the two side walls inside pool body cannot be scraped by scraper, after long-term accumulation, it can lead to flocculation effect deterioration, water flow disorder and the like.

The application belongs to the technical field of voltage regulation, and relates to a power distribution network regional voltage distributed coordination control method and system. The method comprises the following steps: S1, a user side region division step, wherein the user side region is divided, and each user side region unit is connected to a power transmission bus through a transformer; S2, a power supply side region division step, wherein each power supply side region unit is connected to an input bus through an inverter; S3, a data acquisition step, wherein transformer input end voltage information of each user side region unit, position data information of the transformer of each user side region unit, position data information of each power supply side region unit and resistance value data of the input bus are acquired; and S4, a power grid access control step, wherein the inverter of the power supply side region unit is controlled to adjust the output voltage and then access the input bus.

The application relates to an end air supply module, an air conditioner and a data center. The end air supply module comprises a shell, an outer frame, a fan component and a baffle component. The shell has an independent cavity, a mounting port and a track for component operation, the track being formed on at least one opposite side of the shell. The outer frame is mounted on the outer side of the shell and is used for providing support for the shell. The baffle component is slidably assembled with the outer frame. In an initial state, the baffle component is located on both sides of the fan component, and part of the baffle component is rotationally connected with the fan component. In a fan damage state, the baffle component is configured to slide to the mounting port and cover the mounting port, and the fan component is configured to move along with the baffle component and be displaced from a position covering the mounting port to the independent cavity.

The invention discloses a power distribution control center, and relates to the technical field of low-voltage complete power distribution equipment, and the power distribution control center is characterized in that two ends of a drawer structure are installed in a power distribution cabinet through guide rails, one end, close to a contact groove, of the drawer structure is fixedly connected with a plug and is provided with abutting blocks located on two sides of the plug, and the side end of a ventilation table is provided with an air outlet groove. The side end of the ventilation table is provided with an air inlet main channel, the air outlet groove is communicated with a ventilation cavity formed in the ventilation table, the air inlet main channel is communicated with the ventilation cavity through a rotating groove formed in the ventilation table, the two ends of the overturning plate are rotationally connected with the inner wall of the air outlet groove, the bottom of the overturning plate is provided with a partition plate, and the overturning plate and the partition plate are located on the upper side and the lower side of the air outlet groove respectively. The partition plate is fixedly connected with the inner wall of the ventilation cavity. The beneficial effects are that when each drawer structure is installed in the power distribution cabinet, an independent closed channel is formed by the corresponding separator plate and the turnover plate, so that air flow flowing out of the inner cavity of the air inlet main channel is ensured to be in contact with the drawer structure through the closed channel.