743results about How to "Effective protection" patented technology

The invention discloses a method and a system, and relates to the technical field of relay protection. The method comprises the following steps of: acquiring electrical data of a synchronous parallel point, inputting two paths of voltage data, setting a setting value, judging the state of the synchronous parallel point based on the input two paths of voltage data, and performing manual intervention on asynchronous protection after asynchronous protection quits. According to the grid-connected asynchronous protection method provided by the invention, the state of a synchronous parallel point can be accurately judged by comparing the output two paths of voltage data with the setting value set in the device, the fault condition and position of a power grid can be more accurately judged, the abnormal state can be quickly detected, a circuit breaker can be timely pulled open, and the safety of the power grid is ensured. The method prevents generation of strong impact current, prevents burning loss of equipment, effectively protects electrical primary equipment, compares timing time with a setting value set by a system, ensures that non-synchronous protection does not continue to work due to misoperation, and enables an electric power system to recover to normal more quickly. According to the invention, better effects are achieved in the aspects of preventing electric appliance burnout and response time.

The utility model relates to the technical field of bucket-wheel reclaimers, and discloses a bucket-wheel reclaimer cantilever slewing mechanism torque protection device which comprises a base, a mounting groove is formed in the base, a motor is fixedly connected to the left side in the mounting groove, and the output end of the motor is fixedly connected with an over-torque coupler. A brake is arranged on the right side of the over-torque coupler, a torque sensor is fixedly connected to the right side of the brake, a speed reducer is fixedly connected to the right side of the torque sensor, the top conveying end of the speed reducer penetrates through the base to be fixedly connected with a rotating shaft, and a rotating disc is fixedly connected to the top of the rotating shaft. According to the utility model, the torque sensor is used for continuously monitoring the torque borne by the connecting part. During walking or rotation, the torque can be monitored in real time, and when the torque is increased abnormally, measures can be taken in time, such as adjusting the output power of a motor or triggering an alarm, so that the brake is prevented from losing efficacy due to overload.

The present application relates to a kind of organic solar cell module and its preparation method.The organic solar cell module, in addition to deposit a conductive layer (1A,1B) on the first electrode layer, etching connection channel (P2) and partition channel (P3) on the conductive layer.Compared with prior art, the significant advantages of the present application are: when laser etching connection channel (P2) and partition channel (P3), it improves the fault tolerance of etching, both protects the first electrode layer, and makes each layer be etched completely, improves the performance of device.

This invention discloses an airtightness testing device for electric actuators, comprising a conveying mechanism, a transfer mechanism, a carrier, and a clamping mechanism respectively disposed on the top of a lower frame; the conveying mechanism carries and transports the electric actuator via a pallet; a lifting component on the conveying mechanism is adapted to control the pallet's movement or stationary position; the transfer mechanism is positioned above the conveying mechanism and is adapted to transfer the electric actuator on the pallet to a receiving slot on the top of the carrier when the pallet is stationary; the carrier is connected to the lower frame via a drive mechanism; the drive mechanism is adapted to transport the carrier to the clamping mechanism or the transfer mechanism; a pressure block on the clamping mechanism is positioned above the carrier; a mating groove is formed at the bottom of the pressure block, adapted to enclose the receiving slot to form a closed test chamber; the mating groove is connected to a detection mechanism installed via a gas pipeline. This invention enables automatic testing of the airtightness of electric actuators, is simple to operate, can achieve automated testing, greatly improves work efficiency, and reduces labor costs.

The utility model provides a transportation device for preserving the integrity of tricholoma matsutake. The transportation device for preserving the integrity of the tricholoma matsutake comprises a box body, two containing boxes are arranged in the box body, and a plurality of containing grooves used for containing the tricholoma matsutake are formed in the two containing boxes; the ventilation opening is formed in one side of the box body, and a protective net is arranged on the ventilation opening; and the protection mechanism is arranged on the box body and is used for protecting the tricholoma matsutake. According to the transport device for preserving the integrity of the tricholoma matsutake, damage caused by vibration and collision in the transport process of the tricholoma matsutake can be effectively reduced, and the integrity and quality of the tricholoma matsutake are guaranteed.

The utility model provides a tempered glass conveying device, relates to the technical field of tempered glass conveying auxiliary devices, and aims to solve the problems that an existing tempered glass conveying device is complex in installation process, needs to wrap the periphery of tempered glass with multiple layers of protective buffer films, and increases the conveying cost, the tempered glass conveying device comprises a base, and universal wheels are evenly distributed at the bottom of the base. A plurality of sets of clamping modules are installed on the base, a working gap is reserved between every two adjacent clamping modules, each clamping module comprises a rectangular plate, a frame is arranged between every two adjacent rectangular plates in a sliding mode, a limiting frame is fixedly connected to each frame, glass is installed on each limiting frame, positioning plates are installed at the left ends of every two adjacent rectangular plates, and the positioning plates are fixedly connected to the left ends of every two adjacent rectangular plates. And the right ends of the adjacent rectangular plates are open ends.

This invention relates to the field of semi-solid-state battery technology, and more particularly to a free radical in-situ polymerization semi-solid-state battery, comprising a protective housing, a top assembly on the top of the protective housing, and a protective cover on the top of the protective cover, with an installation pipe fixedly connected to the top of the protective cover. Through the coordinated use of the protective cover, a fan body, a temperature detector, a relay, a partition plate, and side guards, the fan body, located within the installation pipe, is activated by the relay when the temperature detector detects that the internal temperature exceeds a threshold, accelerating airflow and preventing heat accumulation inside the protective housing. The partition plate more effectively protects the internal batteries and also provides insulation to a certain extent, preventing heat interference between adjacent batteries. The side guards further expand the heat dissipation area, providing strong support for the stable operation of the battery.

The utility model relates to an excavator breaking hammer protective knife structure which comprises a breaking hammer fixing frame (1), a breaking hammer body (2) and a breaking drill bit (3), the breaking hammer body (2) is arranged on the breaking hammer fixing frame (1), and the breaking drill bit (3) is arranged at one end of the breaking hammer body (2). The breaking hammer is characterized in that the breaking hammer fixing frame (1) is provided with a protection piece (4) used for protecting and / or a breaking part (5) used for breaking or smashing objects, the protection piece (4) is matched with the breaking hammer fixing frame (1), and the protection piece (4) and / or the breaking part (5) are / is fixedly connected with or integrally formed with the breaking hammer fixing frame (1). According to the design, on one hand, the breaking hammer can be protected, and on the other hand, the breaking efficiency is improved.

The application discloses a folding method of a side airbag of a car seat, which comprises the following steps: step 1, laying the side airbag; step 2, folding the upper part of the airbag to the passenger side, and then folding the upper part upward to form a Z-fold; step 3, inserting the lower end of the airbag into a fold to form an inner plug structure, at this time, the airbag is folded into a long strip shape; step 4, laying the long strip-shaped airbag, and folding the X-direction front part of the airbag to the passenger side direction; step 5, continuing to fold the X-direction rear part of the airbag to the root of the gas generator in a Z-fold manner; and step 6, wrapping a cloth around the outer periphery of the folded airbag to maintain the shape. The application has a good guiding effect on a large amount of gas generated by the gas generator, can effectively guide the gas to rapidly inflate to the dummy arm direction, makes the airbag unfold to the passenger side of the dummy and be filled with the gas, and realizes the function of rapidly lifting the arm of the dummy.

This utility model discloses an EHC control system, including a power supply, an EHC heating wire, and a controller. The positive terminal of the power supply is connected to one end of the EHC heating wire, and the negative terminal of the power supply and the other end of the EHC heating wire are grounded, forming a power circuit for the EHC heating wire. It also includes a switching component, which is connected in series across the two ends of the EHC heating wire and connected to both the power supply and the controller. The switching component controls the on / off state of the power circuit of the EHC heating wire. This solution, by using a switching component between the power circuit and the controller, effectively avoids short circuits caused by component damage without affecting circuit operation. Furthermore, the structure is simple, requiring no additional modules, and effectively protects the circuit at a very low cost.

This utility model discloses an MPP cable protection tube with good resistance to external impact, including a protection mechanism and a pressure-resistant mechanism. The protection mechanism includes an inner tube, two rings respectively fitted to both ends of the inner tube, and a protective shell connected between the two rings. The pressure-resistant mechanism includes multiple pressure plates connected to the outer wall of the inner tube, an impact plate disposed outside the pressure plates and connected to the inner wall of the protective shell, and a corrugated rod slidably installed between adjacent pressure plates and impact plates. The two ends of the corrugated rod slidably extend into the two rings. In this utility model, when any part of the protective shell is impacted by external force, the impact plate will compress the stress point of the corrugated rod, and then the corrugated rod will be stretched under the limitation of the pressure plates and impact plates, thereby buffering the external force, reducing the damage to the inner tube, effectively protecting the cable inside the inner tube, and ensuring the service life of the product.

The application discloses an automatic compensation type anti-seismic support, which comprises a stand column, a base is arranged at the top end of the stand column, two arc-shaped positioning plates for positioning metal pipes are arranged on the upper surface of the base, arc-shaped embracing ring plates are arranged on the inner walls of the two arc-shaped positioning plates, pressure sensors are fixedly arranged on the inner arc surfaces of the arc-shaped positioning plates, the sensing ends of the pressure sensors are fixedly connected with the outer arc surfaces of the arc-shaped embracing ring plates, and driving mechanisms for driving the two arc-shaped positioning plates to position metal pipes are arranged on the upper surface of the base. The first compensation mechanism and the second compensation mechanism are arranged, so that when the metal pipes are supported by the anti-seismic support, the automatic compensation purpose can be achieved when the position of the metal pipes is deviated due to vibration of the metal pipes or when the thermal expansion and cold contraction phenomenon occurs, and thus the purpose of protecting the surface of the metal pipes is effectively achieved.

The utility model relates to the field of beverage bottle lid discloses a beverage bottle lid with press trigger suction accessory falling function, including the cover, the top of cover is provided with the false touch press assembly, the upper portion of cover is provided with the installation mouth, the top of cover is connected with the limit lug of fixed connection and the number is multiple, the false touch press assembly includes the protection cover, the bottom of protection cover is fixedly connected with the control pipe, the inside movable joint of control pipe has the press bar, the outside of control pipe is provided with the auxiliary pipe, the outside fixed connection of auxiliary pipe has the fixed ring, the fixed ring is fixedly connected with the inner wall of installation mouth. In the utility model, through setting false touch press assembly and setting limit lug and limit recess etc. between the cooperation of parts, the bottle cap can be effectively protected, the false trigger of bottle cap in the process of transportation or selling can be effectively avoided, is more practical.

This utility model discloses a tower door locking mechanism, including a tower body and a tower door rotatably mounted on the tower body. The tower door has an arrangement hole for a locking bolt to pass through. A locking screw hole is provided on the tower body. When the locking bolt is screwed into the corresponding locking screw hole, the tower door locks to the tower body. A limit screw hole is provided on the side of the tower door corresponding to the arrangement hole. An annular groove is provided at the rear of the locking bolt, and a limit bolt is detachably installed at the limit screw hole. When the locking bolt is inserted into the arrangement hole, the annular groove aligns with the limit screw hole. When the limit bolt is in place, it enters the annular groove to prevent the locking bolt from exiting the arrangement hole. This utility model, through a simple structural design, limits the locking bolt to the tower door. When workers unlock the bolt, it will not detach from the tower door, thus preventing bolt loss and ensuring that workers can properly lock the tower door, effectively protecting the tower door and internal components of the tower.

The utility model discloses a high pressure jet formula impact head, including sinking pipe, impact head and support plate, the support plate is two, two the support plate radial setting at sinking pipe bottom end export place, be equipped with rotating shaft between the support plate, the rotating shaft is hinged with first closed door and second closed door, first closed door and second closed door are hinged respectively in rotating shaft both sides, the bottom port of sinking pipe is equipped with two with first closed door and second closed door cooperation's first bevel and second bevel that lean to upwards. The utility model has the beneficial effects that: guarantee the penetration ability to the stratum, have promoted the structural stability and durability of impact head, have improved construction efficiency.

This application relates to the field of battery technology and discloses a battery protection circuit, including a first protection control module, whose input terminal is connected to the positive terminal of the battery cell and whose output terminal is connected to the negative terminal of the battery cell; a second protection control module connected in parallel with the first protection control module; and a metering module, including a fuel gauge chip U3 and a linkage unit. The enable pin CE of the fuel gauge chip U3 is connected to the linkage unit, and the linkage unit is connected to both the first and second protection control modules. This application uses a linkage unit to control the operating state of the fuel gauge chip U3 based on the high or low voltage levels of the first or second protection control module, achieving fuel gauge shutdown during over-discharge protection, significantly reducing the overall power consumption of the protection board, avoiding the continuous depletion of the remaining battery power, effectively protecting the battery, thereby improving battery life and enhancing safety.

The utility model relates to a kind of suspension hub cover, including base;Several first clamping blocks are set on base;Cover body, coaxially arranged with base and rotate with base;The edge inboard of cover body is circumferentially set with several second clamping blocks;Transparent cover is embedded and set in the inboard of cover body, and second sealing ring is set between transparent cover and cover body;Suspension assembly is set in the cavity enclosed by base and transparent cover;Suspension assembly includes inertial suspension seat, bearing and counterweight, inertial suspension seat is rotatably connected with base by bearing, so that inertial suspension seat can be freely rotated relative to hub, and first sealing ring is set between inertial suspension seat and base;Counterweight is eccentrically arranged on inertial suspension seat;The double sealing ring design of the utility model more effectively protects suspension cover from water dust;Clamp spring is fixed in the inboard of cover body by independent support buckle, the risk of support buckle deformation is reduced, so that hub side clamping force remains stable, push-pull force cannot be attenuated, and driving safety is improved.

The application discloses a slow wire cutting equipment, which comprises a machine body, a liquid storage pool arranged on the machine body, a moving frame in sliding connection with the machine body, a plurality of guide wheels arranged on the machine body and the moving frame, and a protection assembly. The protection assembly comprises a communication block, a protection column is inserted into the communication block, a through groove is arranged in the center of the column body of the protection column, the through groove penetrates through the protection column, and a second water guide groove is arranged in the lower end surface of the protection column and located between the outer wall of the protection column and the through groove. The slow wire cutting equipment can effectively protect the thin copper wire, avoid the change of the discharge gap between the thin copper wire and the workpiece caused by the oxide skin and carbon residue generated in the workpiece cutting process, ensure the stable discharge state between the thin copper wire and the workpiece, effectively prevent the thin copper wire from being broken due to the change of the discharge gap during the workpiece cutting, avoid the workpiece from being scrapped, and further help to improve the machining quality and the working efficiency.

The utility model discloses a high-side switch driving control circuit, a battery management system and a control circuit thereof, which comprises a control chip, an analog signal processing chip and a driving control module, and is characterized in that a first control end of the control chip is electrically connected with an input end of the analog signal processing chip; a second control end of the control chip is electrically connected with a first input end of the driving control module, an output end of the analog signal processing chip is electrically connected with a second input end of the driving control module, and an output end of the driving control module is electrically connected with a control end of a high-side driving switch of the battery charging loop; the driving control module is used for jointly controlling the on-off of a high-side driving switch of a battery charging loop by the control chip and the analog signal processing chip according to a first driving signal sent by the control chip and a second driving signal sent by the analog signal processing chip; the on-off of the high-side driving switch can be controlled after the control chip completes self-inspection, the battery cell is protected, and the service life of the battery is prolonged.

This invention relates to the field of polishing machines, specifically disclosing a concrete polishing machine with protective functions. It includes a base with a hand handle, a mounting plate on the base, a polishing assembly on the base, a drive assembly connected to the polishing assembly on the base, a push assembly on the base, a brake assembly between the push assembly and the polishing assembly, and an inflation assembly on the mounting plate. This invention provides primary buffering, secondary buffering, braking, and support functions. When the hand is released, it effectively counteracts the polishing machine's continuous spinning and irregular movements, providing effective protection against abnormal movements from multiple angles. This ensures the polishing machine quickly stops working after an malfunction, reducing collision damage and preventing malfunctions, minimizing threats to surrounding workers, improving work efficiency, and accelerating construction progress.

The invention belongs to the field of pharmaceutical preparations. The invention relates to lipid nanoparticles modified by probiotic coupled galactose and coated with diammonium glycyrrhizinate, L-arginine and copper tannic acid nano enzyme as well as a preparation method and application of the lipid nanoparticles. The lipid nanoparticles prepared by coupling and wrapping the diammonium glycyrrhizinate, the L-arginine and the copper tannic acid nano-enzyme with the probiotics have good biocompatibility, the preparation method is simple, the particle size distribution of the nanoparticles is uniform, the half-life period of a medicine circulating in a body can be prolonged, the inherent beneficial functions of the probiotics are cooperated, and the bioavailability of the medicine is improved. The potential application value is realized in the fields of treating the metabolic dysfunction related steatohepatitis and the like.

This invention discloses a nanoRNA delivery system and its application in the control of Sclerotinia sclerotinia disease, relating to the field of biotechnology. The preparation method of the nanoRNA delivery system includes the following steps: mixing chitosan, sucrose, and aspartic acid uniformly and then subjecting them to a hydrothermal reaction to obtain a quantum dot-chitosan degradation product complex; mixing the quantum dot-chitosan degradation product complex with double-stranded RNA to obtain the nanoRNA delivery system; the double-stranded RNA is used to silence Sclerotinia sclerotinia virulence-related transcription factor genes. The nanoRNA delivery system provided by this invention can effectively protect RNA and exhibits a very high inhibitory effect on Sclerotinia sclerotinia in plants, providing a novel technical solution for the green and precise control of Sclerotinia sclerotinia disease.

The utility model discloses an eye protection cover capable of fixing an electroencephalogram consciousness monitoring connecting line, and belongs to the technical field related to operations. An eye protection cover capable of fixing an electroencephalogram consciousness monitoring connecting line comprises an upper cover plate, two limiting rods are symmetrically and evenly distributed and fixedly connected to the front end of the upper cover plate, elastic hinges are movably installed at the other ends of the limiting rods, and a front protection plate is fixedly connected to the other ends of the two elastic hinges. Window grooves are symmetrically and evenly connected to the rear surface of the front protection plate, and auxiliary plates are arranged on the inner walls of the window grooves. According to the distance between the two eyes of a patient, the limiting button is shifted to transversely move in the sliding groove, the distance between the two auxiliary plates in the window groove is adjusted, the distance between the two eyes is adapted, the patient in an operation is protected, and therefore the distance between the eye pads can be adjusted according to the distance between the two eyes of the patient; and the eyes of a patient in an operation can be effectively protected.

The utility model discloses a label with an anti-scratch function, which relates to the technical field of labels and comprises label card paper, wear-resistant layers are connected to the front side and the rear side of the label card paper in a magnetic attraction manner, fixing plates are integrally arranged on the left side and the right side of the label card paper, and extension plates are integrally arranged on the left side and the right side of each wear-resistant layer. The extension plates are adhered to the surface of the fixing plate through hook-and-loop fasteners, first flexible magnetic strips are integrally connected to the front side and the rear side of the label paperboard, the abrasion-resistant layers comprise PET layers and UV oil mist layers, the UV oil mist layers are surface layers, the PET layers are inner layers, and the PET layers are tightly attached to the surface of the label paperboard. The two wear-resistant layers are matched with the label card paper to form a double-layer sandwich design, the label card paper in the middle can be effectively protected from being scratched, the wear-resistant layers adopt a double fixing mode of magnetic attraction and hook-and-loop fastener bonding, the fixing effect is improved, and meanwhile follow-up disassembly, assembly and replacement are facilitated.

This application discloses a protection apparatus and a protection method for a photovoltaic power generation system and a photovoltaic power generation system, and relates to the field of photovoltaic power generation technologies. The protection apparatus includes an interface, a protection switch, a direct current bus, and a controller. The apparatus is connected to at least two photovoltaic units by using the interface, the at least two photovoltaic units are coupled to the direct current bus inside the apparatus to form at least two branches, and each branch is connected to at least one photovoltaic unit. The protection switch is configured to disconnect all or some of the photovoltaic units from the direct current bus, to enable a maximum of three photovoltaic units to be directly connected in parallel. The controller is configured to: when determining, based on a parameter detection value of the branch or a parameter detection value of the direct current bus, that the photovoltaic power generation system is faulty, control the protection switch to be open. According to the apparatus, a photovoltaic unit and a line can be effectively protected with a low power loss when the photovoltaic power generation system is faulty.

The application discloses a kind of mountainous area highway slope rockfall protection equipment, including supporting mechanism;The supporting mechanism includes protection plate, and further include at least one first linear degree of freedom;At least four The protection plate is hinged between each other and is folded mutually;The technology of the application can flexibly unfold and adjust the position, angle and form of protection plate according to actual situation by the design of supporting mechanism, abutting mechanism and carrying mechanism.This makes the protection device can adapt to different shapes of slope and various rockfall angle, improves the overall adaptability.M type of unfolding mode makes impact force more evenly distributed on each folding layer, thereby reducing the risk of damage caused by excessive local stress.This helps to prolong the service life of protection plate, reduces maintenance cost.M type of unfolding mode makes the side with acute angle face the side of mountainous area slope rockfall, this design can better intercept and block rockfall.

The utility model relates to 3D printing false tooth processing technical field, and disclose a kind of 3D printing false tooth auxiliary device, including lower bottom plate and telescopic link, still including upper bottom plate and lampshade, the upper end of lower bottom plate is fixedly connected with telescopic link, the upper end of upper bottom plate is rotatably arranged with rotating stand, the surface of rotating stand is fixedly installed with the protective lens for protecting worker's vision;The light irradiated by the fluorescent tube passes through glass plate and irradiates at the bottom of oral cavity model, since oral cavity model is the material of light transmittable, the light emitted from fluorescent tube is from the bottom of oral cavity model and transmits to the assembly groove of oral cavity model, so that worker can see the position of oral cavity model assembly groove, while ensuring assembly speed, worker need not give up position for illumination effect, the protective lens equipped on the surface of rotating stand can effectively protect worker's eye, and angle can be adjusted according to need, ensure that worker can comfortably observe assembly condition.

The utility model relates to the technical field of trousers, and discloses a pair of trousers with kneecaps, which comprises a trousers body, kneecap bodies are arranged at the top end of the trousers body, fastening mechanisms are arranged on two sides of the front end of the trousers body, a thermal insulation layer is arranged inside the trousers body, a breathable layer is arranged inside the thermal insulation layer, and the kneecap bodies are arranged at the top end of the trousers body. An elastic supporting layer is arranged in the breathable layer, a comfortable attaching layer is arranged in the elastic supporting layer, a lining layer is arranged in the comfortable attaching layer, the surface of the trousers body is made of nylon, and the heat preservation layer is made of polyester fibers. According to the trousers with the kneecaps, by means of the arrangement, the trousers fit the curve of the human body better when worn, good comfort and heat retention are provided, the kneecap bodies are arranged to effectively protect the knees, impact and abrasion to the knees during exercise or labor are reduced, and the trousers are more comfortable to wear. And the chair is particularly suitable for people who stand, walk or do outdoor activities for a long time.

The utility model discloses an industrial solid waste on-site detection kit which comprises a kit body, the mounting plate is arranged in the kit body; the lifting cylinder is in threaded connection in the threaded hole of the mounting plate; the mounting cylinder is fixedly connected to the mounting plate through a bracket; the test tube is arranged in the mounting cylinder; the sliding rods are connected into the sliding grooves of the mounting cylinder in a sliding mode, and the oblique angle of one end of the lifting cylinder abuts against the inclined faces of the sliding rods in a sliding mode; and the plurality of clamping plates are respectively fixed at one ends of the plurality of sliding rods. By rotating the lifting cylinder, the surface thread of the lifting cylinder moves in the thread groove of the mounting plate, so that the lifting cylinder moves downwards, the inclined plane of the lifting cylinder abuts against the inclined plane of the sliding rod, the sliding rod is pushed to slide when the lifting cylinder moves downwards, the test tube is fixed by the clamping plate, and the test tube is prevented from shaking in the placing groove due to the structural design; the test tube is effectively protected.