22results about How to "Reduce hidden dangers" patented technology

The utility model relates to the technical field of power boxes, and discloses a new energy automobile power box which comprises a chassis frame and a fixing part mounting hole, the fixing part mounting hole is formed in the inner wall of the top of the chassis frame, a power module is connected to the outer wall of the bottom of the chassis frame in a clamped mode, and an adjusting mechanism is arranged on the chassis frame. An auxiliary mechanism is arranged on the chassis frame, the adjusting mechanism comprises a ring opening, the ring opening is formed in the inner wall of the left side of the chassis frame, a positioning opening is formed in the inner wall of the bottom of the chassis frame, the inner wall of the right side of the ring opening is in threaded connection with a fixing screw, and a positioning plate is clamped to the inner wall of the bottom of the positioning opening; the outer wall of the left side of the positioning plate is fixedly connected with a power box shell. According to the utility model, the convenient separation of the power box shell and the chassis frame is realized through the adjusting mechanism, so that the cooling module, the inductor module main body and the power module form a modular structure and can be independently disassembled and assembled without overall disassembly, and the maintenance time is greatly reduced.

The present application relates to adjustable support frame, underground support structure and construction method, and relates to the field of support structure, wherein the adjustable support frame comprises a main support assembly and a plurality of detection support assemblies; the main support assembly is arranged in a tunnel or a pipe culvert and comprises a top support frame and a side support frame. By arranging the adjustable support frame composed of the main support assembly and the detection support assembly, the support gap between the main support assembly and the inner wall of the structure with a certain limited space such as a tunnel or a pipe culvert can be detected, and supplementary support can be provided to ensure that the adjustable support frame completely supports the inside of the structure with a certain limited space such as a tunnel or a pipe culvert, and cooperate with the support base assembly to improve the support strength and stability of the adjustable support frame, reduce hidden dangers, and cooperate with corresponding equipment to also provide early warning for the pressure condition of the adjustable support frame, reduce the situation that the staff is trapped due to deformation damage caused by excessive pressure of the adjustable support frame, and the like.

The utility model relates to spray moisturizing technical field discloses a kind of spray moisturizing devices for paperboard pre-brushing machine, including spray assembly, including atomizer, water pipe is inserted in atomizer side, knob is fixed in atomizer top, switch is provided in the knob side, mounting component, setting on water pipe, including mounting piece, the mounting piece includes mounting disc, the mounting disc is sleeved in the water pipe outside side. The utility model has beneficial effect as follows: using atomizing head direct injection mode, spray is uniform, and spray width can be adjusted according to use width, atomization amount size can also be adjusted, avoid the situation that mist amount is uneven, while no backflow water, reduce water resource waste and related hidden danger, humidifier can be adjusted mounting angle and height according to actual situation when installation, without dismounting device reinstallation, improve the flexibility and convenience of installation, make it better adaptation different use scene and equipment layout.

This utility model provides a self-alarming guardrail for broken railings, including a guardrail body; a monitoring box disposed around the periphery of the guardrail body, which can establish a communication connection with a traffic monitoring terminal; and a detection feedback device including an optical fiber and an optical fiber breakage alarm. The optical fiber is continuously laid along the guardrail body, and the optical fiber breakage alarm is connected to the guardrail body to collect optical fiber signals. When the guardrail body breaks, causing the optical fiber to break, the optical fiber breakage alarm generates a breakage feedback signal and sends it to the monitoring box, from which the traffic monitoring terminal can obtain the corresponding alarm information. The beneficial effect of this utility model is that it can promptly provide feedback on guardrail breakage information, reduce the potential for traffic accidents caused by guardrail breakage, and improve road safety.

The invention provides an implicit behavior data security acquisition method and device based on federal learning, and relates to the field of data security. The method comprises the following steps: acquiring implicit behavior data in a user equipment side, and preprocessing the implicit behavior data; performing feature extraction operation on the implicit behavior data after the preprocessing operation, and obtaining target behavior features corresponding to the keyboard data, the mouse data and the eye movement data respectively; obtaining hybrid model training parameters based on the target behavior characteristics; training parameters through a hybrid model, and carrying out local model iterative training based on a federated learning dynamic aggregation algorithm; obtaining model parameters after iterative training, and adding encryption noise for the model parameters according to a double-layer differential privacy integration mechanism; and obtaining model parameters after noise addition to complete data security acquisition. The problem that most of applications of existing federal learning in implicit behavior data still stay on the structural level, and the hidden danger of behavior privacy disclosure exists is solved.

This invention discloses a plant-derived herbicide and its preparation method, specifically relating to the field of biological weed control. The whole plant of *Coriandrum sativum* is dried, pulverized, and sieved. After ultrasonic extraction with an organic solvent, the extract is concentrated to obtain a paste-like extract. This plant-derived herbicide contains the following raw materials in volume fractions: 10 parts *Coriandrum sativum* extract, 2 parts emulsifier, and 88 parts water. The technical solution of this invention solves the problem of environmental pollution and pesticide residues exacerbated by existing chemical herbicides. Furthermore, the plant-derived herbicide of this invention, after being prepared into a stable formulation, can effectively control annual weeds, achieving a control effect of over 75% on weeds in farmland. The application of this plant-derived herbicide can significantly reduce the amount of chemical herbicides used, thus reducing environmental pollution.

The utility model relates to an airport deinsectization device which comprises a top plate 10, a containing box 20, a deinsectization lamp 30 and a deinsectization cage 40, the deinsectization lamp is installed on the top plate 10, the containing box 20 is arranged below the top plate 10, and the deinsectization cage 40 is arranged between the top plate 10 and the containing box 20. The insect killing lamps comprise a black light insect killing lamp with the wavelength of 320 nm to 390 nm, a blue light insect killing lamp with the wavelength of 350 nm to 490 nm, a yellow light insect killing lamp with the wavelength of 625 nm to 670 nm, a green light insect killing lamp with the wavelength of 555 nm to 610 nm and a red light insect killing lamp with the wavelength of 500 nm to 565 nm. The insecticidal lamp can meet the insecticidal requirements in most time periods and attract and kill various insects. A metal structure is adopted, fire risks can be avoided, a stable support and a connecting structure are adopted, and hidden dangers such as FOD are reduced.

The application discloses a modular quick-change module of an OMR vacuum laminating machine and a laminating device, relates to the field of vacuum laminating machines, and comprises a rack, a linear module is mounted on the inner side of the rack, an installation plate is fixedly connected to the top of the linear module, a workpiece is placed on the inner side of the installation plate, a hydraulic cylinder is mounted on the inner side of the rack, and a top seat is fixedly connected to the output end of the hydraulic cylinder; the cooperation of the rectangular plate and other parts enables the second nozzle to start from the sealed end, gradually advance to the middle area and the area close to the other end, and apply uniform pressure; this process not only continuously discharges air to the end, but also assists the close lamination of the film and the workpiece surface through uniform air flow pressure, ensures that the back glue of each area can fully contact the workpiece, reduces the air bubble hidden danger caused by local lamination from the root, and realizes the dead-angle-free air exhaust from one end of the workpiece to the other end, and further reduces the overall air bubble generation rate.

The utility model discloses an electric power dispatching simulation screen which comprises an installation frame, a display screen is arranged in the installation frame, an installation groove is formed in the front surface of the installation frame, a cleaning assembly is arranged in the installation groove, the cleaning assembly is located in the installation groove, the installation groove is sealed by the cleaning assembly, and the display screen is arranged in the installation groove. A sealing plate is arranged at the rear end of the mounting frame, a plurality of lead pipes are fixedly connected to the upper surface of the mounting frame, the lower ends of the lead pipes penetrate through the upper wall of the mounting frame, two rubber strips are arranged in each lead pipe and distributed oppositely in the left-right direction, and the lower ends of the rubber strips are fixedly connected with the lower ends of the lead pipes. The upper end of the rubber strip is fixedly connected with a rubber sleeve, and when the imitation screen is used, the upper end of the rubber sleeve is connected with the lower end of the lead pipe in a clamped mode. Through the structure, the hidden danger that dust enters the mimic screen is reduced, and the convenience of mimic screen maintenance work is improved.

The invention discloses an unmanned aerial vehicle-based airborne pump set type foam fire extinguishing device, and relates to the technical field of fire extinguishing equipment, the unmanned aerial vehicle-based airborne pump set type foam fire extinguishing device comprises an unmanned aerial vehicle main body, a pump set liquid supply mechanism is fixedly arranged in the middle of the unmanned aerial vehicle main body, a support is arranged below the unmanned aerial vehicle main body, and a gas-liquid mixing foaming assembly is placed at the top end of the support; a spraying gun is fixedly arranged on one side of the gas-liquid mixing foaming assembly, two supporting blocks are symmetrically and fixedly arranged on the surface of the support, and pressing plates are rotationally arranged in the supporting blocks. The device has the beneficial effects that an independent electric pump set constant-pressure liquid supply mode is adopted, closed-loop precise regulation and control are achieved in cooperation with an onboard electric control module, constant-pressure and constant-flow conveying of a fire extinguishing agent is kept in the whole process, and the hidden danger of pressure attenuation is thoroughly eliminated; no matter for low-altitude fire extinguishing operation or high-rise precise fire extinguishing operation, the spraying distance and flow are always stable and controllable, the fire point covering precision is greatly improved, and the fire extinguishing stability is fundamentally guaranteed.

The utility model discloses a pneumatic push rod formula agitator in sugar tank of sugar spraying machine relates to food processing equipment technical field, the utility model discloses a sugar tank body, the top of sugar tank body side is equipped with the fixed frame, the inboard of both sides of fixed frame is equipped with pneumatic push rod, the both sides of fixed frame are equipped with slide between, the telescopic axle of two pneumatic push rods is equipped with the moving block of slide cooperation with slide, the side of moving block is equipped with the stirring frame of being located in the sugar tank body and is rotated cooperation, be provided with connecting assembly between stirring frame and moving block. The utility model discloses the telescopic axle of pneumatic push rod drives moving block and moves along the slide repeatedly, and the rotation of rotating rod will be driven to the sliding of moving block to drive stirring frame and carry out the rotary motion, realizes all -round, high -efficient stirring of sugar liquid in sugar tank body, reduces the hidden danger that the iron filings and oil dirt drop in the sugar tank through the screw stirring.

The application relates to the technical field of welding processing equipment, and discloses a component positioning and welding tool of a remote controller, which comprises a base, a supporting base is arranged at the middle of the bottom end of the base, an electrical box for providing control and energy supply for the whole device is arranged in the supporting base; a conveying and discharging mechanism is arranged at the middle of the top end of the base and is used for conveying a printed circuit board in the remote controller and discharging static electricity generated by friction on the printed circuit board. When the printed circuit board on the remote controller is subjected to welding processing of metal springs, ion wind generated by an ion fan in the removing protection mechanism is pressurized through a flat accelerating part and can be concentratedly sprayed to a welding area, so that partial static electricity generated in the welding process can be comprehensively eliminated, hidden damage of integrated circuits caused by static electricity residues can be avoided, the ion wind can also blow the flexible grounding sheet to contact the plate body, a secondary static electricity discharging channel is formed, and double protection is provided for static electricity removal.

The invention discloses a high-voltage box (30), a power battery thereof and an electric vehicle, the high-voltage box (30) is used for being electrically connected between a power battery system and a driving system of the electric vehicle, and the high-voltage box (30) comprises a shell (3), a shell (3) of the high-voltage box (30) is provided with a transfer connector (33) connected with a power battery system, a power transmission connector (32) electrically connected with a driving system and a charging socket (31) matched with a charging gun (50) in an inserted mode, the high-voltage box (30) is directly matched with the charging gun (50) in an inserted mode, adapter cables are saved, the number of connectors is reduced, meanwhile, the part cost and potential quality hazards are reduced, and the service life of the high-voltage box (30) is prolonged. The power battery adopting the high-voltage box has the advantages of being easy to maintain and higher in energy density, and the electric vehicle adopting the power battery has longer endurance mileage.

The invention relates to the technical field of tunnel construction drainage, in particular to an inclined shaft tunnel relay type reverse slope drainage system which comprises an excavation water collection facility, water pumping and drainage equipment and a control system, the excavation water collection facility comprises a water collection ditch and a water collection pump pit, the water collection ditch is used for communicating water in a tunnel, and the water collection pump pit is connected with the water collection ditch; the water collecting pump pit is lower than the water collecting ditch; the water pumping and draining equipment comprises a submerged pump, a connecting pipeline, a buffer water tank and a booster pump, the submerged pump is located in the water collecting pump pit, the buffer water tank is located in the inclined shaft ramp, the submerged pump and the buffer water tank are connected through the connecting pipeline, the booster pump is located on the ground, and the buffer water tank and the booster pump are connected through the connecting pipeline; the control system comprises a drainage management unit, a filtering unit, a blocking unit, an early warning unit, an emergency unit and a console. The problems that in the prior art, an inclined shaft tunnel relay type reverse slope drainage system is low in intelligent degree and poor in collaboration, and backflow cannot be avoided are effectively solved.

A stable step error probe structure comprises a guide pin, a sliding bolt, a spring and an inductor. The guide pin is movably arranged in the first through hole and the second through hole of the upper die and comprises a first section, a second section and a third section which are integrally formed, and the diameter of the first section is larger than that of the second section; the first section is limited through a step between the first through hole and the second through hole, and a spring is arranged above the guide pin in the first through hole; the second section is provided with an annular groove, the two sides of the annular groove are in an arc shape, the sliding type plug pin is movably arranged in the third through hole, one end of the sliding type plug pin is in an arc shape and located in the annular groove of the second section, and the inductor is arranged below the upper die and located at the other end of the sliding type plug pin. According to the utility model, the step error probe structure is arranged in the upper die, so that the stock layout width of a product material belt is reduced, the material utilization rate is improved, and in the structural design process, the die space is saved, and the cost and the die manufacturing difficulty are reduced.

The application discloses a kind of charging pile parameter distributed storage method, belong to charging pile technical field, a kind of charging pile parameter distributed storage method, the specific implementation steps of this kind of method include: the connection between multiple charging piles, the ID configuration of charging pile, the modification and backup of charging pile parameter and the maintenance and repair of charging pile.It can extract valid data in the data of completed backup, avoid the problem of single machine data loss, at the same time, the data of backup can be used as a reference for subsequent maintenance, avoid the situation that parameters need to be reset during after-sales maintenance, reduce the human consumption and time consumption during charging pile maintenance, and reduce the hidden trouble caused by human operation.

The invention discloses a steel structure truss for road bridge engineering and building construction and a construction method, and relates to the technical field of steel structure truss.The steel structure truss comprises a cross beam and a supporting beam, threaded holes are formed in the cross beam and the supporting beam, bolts are in threaded connection with the inner walls of the threaded holes, and the supporting beam and the cross beam are fixedly connected through the bolts; a sliding rail is fixedly connected to the upper side of the outer wall of the cross beam, a cover plate is slidably connected to the outer wall of the sliding rail, the lower surface of the outer wall of the cover plate makes contact with the upper side of the outer wall of the cross beam, the cover plate is located on the upper side of the bolt, a mounting groove is formed in the front side of the cross beam, and a prompting mechanism is arranged in the mounting groove. The prompting mechanism comprises a connecting assembly, an inserting block and a blocking rod, the inserting block and the blocking rod are arranged on the connecting assembly, the blocking rod can move in the inserting block, and the inserting block can move relative to the connecting assembly.

The utility model discloses a kind of inverted reverse osmosis treatment devices, it is related to water treatment device technical field.The utility model includes fixed box, permeation component and mounting bracket, the top of fixed box is set as opening, and the upper portion in fixed box is fixed with inner frame, and permeation component is movably connected in inner frame, permeation component includes support frame, semi-permeable membrane and protection pole, support frame is set in the top of inner frame, several semi-permeable membranes with equal spacing are fixed in support frame, and the both sides of semi-permeable membrane are fixed with protection pole with equal spacing, mounting frame is fixed in the upper edge of the outside of fixed box, mounting frame is fixed with mounting bracket in the top, the top central of mounting bracket is fixed with water delivery bin, and one end of water delivery bin is fixed with output pipe.The utility model is fixed by setting fixed box, permeation component and mounting bracket, solve the effective membrane processing area limited of inverted reverse osmosis treatment device, processing efficiency is not high enough, and the problem that membrane is deformed and broken easily under pressure in production.

This application discloses a battery cell and a battery pack, relating to the field of power battery technology. In the battery cell, an electrode assembly is disposed within a housing; a top cover is connected to the housing along a first direction; an insulating member is disposed within the housing, located on the side of the top cover near the electrode assembly; a connecting piece is disposed within the housing and electrically connected to the electrode assembly; a first end of a resistor is connected to the top cover, and a second end of the resistor passes through the insulating member along the first direction and is connected to the connecting piece; the top cover and the resistor have mutually cooperating mating parts. The resistor can conduct electricity to form a short circuit between the top cover and the connecting piece when the temperature of the battery cell continuously rises, causing the battery to discharge rapidly to a low charge level, thereby reducing the battery's charge level. Even if thermal runaway of the battery cell is triggered, the risk of the discharged battery catching fire or exploding is reduced. This improves battery safety and reduces the risk of thermal runaway propagation.

The coaxial cable comprises a sheath, a cell, an insulating layer and a shielding layer are arranged in the sheath, the side surface of the shielding layer is in contact with the inner wall of the sheath, the insulating layer is located in the shielding layer, the insulating layer is located in the cell, an opening binding sleeve is arranged on the surface of the shielding layer, and the opening binding sleeve is arranged on the surface of the shielding layer. The side surface of the binding sleeve is in contact with the inner wall of the sheath, traction holes are formed in the surface of the binding sleeve and the surface of the shielding layer, and socket rubber strips are arranged in the traction holes. Through the above structure, the convenience of connecting multiple sections of cables is improved, and the stability and the sealing insulativity of the cables after connection are improved.

The utility model discloses a rotating disc type multi-station cleaning device which comprises a feeding rotating assembly and a cleaning assembly. The feeding rotating assembly comprises a machine table, a rotating disc structure arranged on the machine table and a plurality of clamping modules rotationally arranged on the rotating disc structure, the rotating disc structure comprises a driving main body and a main rotating disc connected with the action end of the driving main body, and each clamping module comprises a rotating main body rotationally arranged on the main rotating disc; the fixing unit is arranged on the rotating main body and is used for clamping and fixing a workpiece; the cleaning assembly comprises a driving unit and a laser cleaning module arranged at the action end of the driving unit.

The application relates to a quick connecting node device of a modular assembly type building structure and belongs to the technical field of building connecting pieces. The quick connecting node device of the modular assembly type building structure comprises a steel bracket, both of the two female corner end faces of the steel bracket are provided with through holes, both of the two female corner end faces of the steel bracket are provided with high-strength bolts which are inserted into the through holes, and the male corner end face of the steel bracket is inserted with a quick connecting mechanism which is threadedly connected with the high-strength bolts. The quick connecting mechanism drives both end inserting plates to be synchronously inserted into an inserting frame through single-time pinching of a U-shaped elastic plate, and a plurality of high-strength bolts are locked at one time, so that the problem of low efficiency caused by installing the bolts one by one is solved. Meanwhile, the anti-disengagement groove on the circular block and the anti-disengagement assembly are automatically clamped to form mechanical self-locking, so that the dual effects of quick installation and automatic anti-loosening are realized.