51results about How to "Avoid submersion" patented technology

The invention discloses a communication network power distribution cabinet convenient for heat dissipation, and relates to the technical field of power distribution cabinets, and the power distribution cabinet comprises a composite mechanism. According to the communication network power distribution cabinet convenient to dissipate heat, through the design of a composite mechanism, the box body shell is used for storing electronic components, after long-time operation, the temperature in the box body shell rises, hot gas rises, and then the hot gas flows to the processing mechanism from the circular groove, so that the heat dissipation effect is achieved, and the internal temperature of equipment is reduced; the ventilation mechanisms are arranged on the two sides of the box body shell, so that the convection effect is achieved, the cold air flowing effect is improved, the cold air is located at the low position with the high density, hot air is squeezed upwards after entering the box body shell, the discharging speed is increased, and the heat dissipation efficiency is improved. The box body shell is supported through the supporting assembly, so that the effect of reducing deformation of the box body is achieved, and internal electronic elements are protected.

The utility model relates to a high-resistance composite fiber floating wetland which comprises a plurality of main bodies which are detachably and mutually spliced on the same plane, and each main body comprises two resistance layers which are symmetrically arranged up and down and a carrier layer which is arranged between the two resistance layers; a first sleeve and a second sleeve which are transversely arranged and vertically distributed are also inserted and fixed in the carrier layer; the height of the first sleeve is different from that of the second sleeve, so that the first sleeve and the second sleeve are staggered up and down without contact; a bonding layer is filled between the carrier layer and each of the two resistant layers; according to the utility model, the service life is longer; the floatability is effectively improved, so that the wind wave resistance is improved; in addition, the cold resistance of the aquatic plants is improved, a three-dimensional space required by breeding is provided for the aquatic plants, the breeding speed of the aquatic plants is greatly increased, the planting density of the aquatic plants is rapidly increased, and the water purification capacity is remarkably improved.

The utility model discloses an ecological wall structure of a green building, and belongs to the field of ecological walls. Comprising an ecological wall body, a containing cavity is formed in the front end of the ecological wall body, a rotating rod is rotationally arranged in the containing cavity, an inserting groove is formed in the rotating rod, an inserting plate is installed at the inserting groove in an inserting mode, a mounting frame is fixed to one side of the inserting plate, a bearing hole for bearing a flowerpot is formed in the mounting frame, and a positioning hole is formed in the center of the top of the inserting plate; a positioning cavity is formed in the middle section of the top, corresponding to the inserting groove, in the rotating rod. A positioning assembly is installed in the positioning cavity. And the positioning assembly comprises a positioning pin slidably arranged in the positioning cavity, a lead screw is installed at the center of the positioning pin in a penetrating mode, an embedded disc is fixed to the top of the lead screw, and the embedded disc is rotatably installed on the rotating rod in an embedded mode. And after the mounting frame is damaged, the mounting frame can be conveniently and rapidly replaced, and the overall replacement efficiency is guaranteed.

The invention relates to a submersible hydroelectric generator device (1) comprising a substantially upright body having an outer chamber (9) and an inner pressure chamber (7). The inner pressure chamber (9) has a pressurizable fluid supply therein, and the outer chamber (9) has a charge inlet (21) adjacent to the top of the upright body, a discharge outlet (11) adjacent to the bottom of the upright body, and a liquid passage having a turbine (25) and a flow regulator (27) mounted therein. An auxiliary pressurized fluid supply is provided to replenish the pressurizable fluid supply. A pressure regulator is provided that is operable to control delivery of the auxiliary pressurized fluid from the auxiliary supply to the inner pressure chamber to maintain the pressure of the pressurizable fluid supply at or above a predetermined pressure level during drainage of water from the apparatus. In this way, water will be discharged from the device in a rapid, repeatable manner.

The invention provides a gas diffusion electrode device for electrochemical lithium-mediated ammonia synthesis and an electrochemical ammonia synthesis method, and belongs to the technical field of electrochemical ammonia synthesis. The gas diffusion electrode device comprises a nitrogen runner, a sealing gasket, a working electrode, a catholyte chamber, a diaphragm, an anolyte chamber, an anode catalyst, a hydrogen runner and an electrolyte, the electrolyte comprises a lithium salt, an organic solvent, a proton shuttling agent and an interface additive. According to the invention, high nitrogen transmission is realized by adopting a circulating type gas diffusion electrode device, and a three-phase interface chemical environment of gas, electrolyte and the gas diffusion electrode is regulated and controlled by an interface additive, so that the ammonia production rate and the Faraday efficiency are remarkably improved, and continuous and efficient nitrogen reduction reaction is realized at normal temperature and normal pressure.

The invention provides a rotating machine fault diagnosis method and system, and the method comprises the steps: collecting monitoring signals of a rotating machine in different fault states in a certain time period through a plurality of different types of sensors, and converting the monitoring signals into time-frequency images through a constant Q conversion method; performing graying, cutting and normalization processing in sequence to obtain a plurality of normalized pixel matrixes, and stacking each pixel matrix along the channel dimension of the tensor to obtain a plurality of third-order tensor samples in each fault state; then obtaining an intuitionistic fuzzy score of each three-order tensor sample by adopting an exponential membership function and an exponential non-membership function, extracting a low-rank feature tensor sample by utilizing a tensor robust principal component analysis method so as to construct a high-dimensional feature matrix, and finally establishing a nonlinear intuitionistic fuzzy twin support tensor machine model to obtain a solution vector; and a decision function is constructed to obtain a prediction label of each test sample in the test set, and fault diagnosis of the rotating machinery is realized.

The invention discloses a converter valve partial discharge voiceprint signal extraction method and system, and the method comprises the steps: collecting a mixed voiceprint signal of a converter valve, carrying out the noise reduction of the mixed voiceprint signal, obtaining a noise reduction voiceprint signal, extracting an initial partial discharge voiceprint signal from the noise reduction voiceprint signal, carrying out the sparse representation of the initial partial discharge voiceprint signal, and obtaining a sparse representation result. A single source point is identified according to a sparse representation result, a hybrid matrix is estimated based on the single source point, a hybrid voiceprint signal is reconstructed by using the hybrid matrix, a final partial discharge voiceprint signal is obtained, and noise reduction processing can effectively improve the quality of the voiceprint signal and ensure the accuracy of subsequent extraction. A series of processing such as initial partial discharge voiceprint signal extraction, sparse representation, single source point recognition and hybrid matrix estimation can effectively prevent partial discharge voiceprint signals from being submerged in noise signals, so that the partial discharge voiceprint signals are extracted quickly and accurately.

The invention discloses an automatic drainage system for water conservancy project construction, and relates to the technical field of water conservancy project drainage, the automatic drainage system comprises a water retaining supporting plate, a water suction pump and a drainage pipe, and further comprises a drainage connecting part, and the drainage connecting part is used for connecting the water retaining supporting plate with the drainage pipe and discharging water in the water retaining supporting plate. The device has the advantages that when the accumulated water amount is higher than the set water level height, the drainage mode can be automatically switched through movement of the floating plate, drainage of the drainage pipe is switched into water pumping of the water suction pump, a large amount of accumulated water is drained in time, and the accumulated water is prevented from overflowing to submerge surrounding roads and farmland; and in the moving process of the floating plate, the outer sleeve can be driven to close the water inlet pipe and then drive the water inlet pipe to rotate together, driving is provided for movement of the moving plate and rotation of the cutting blade, sludge and impurities in the water inlet pipe are automatically cut, smashed and removed, and it is ensured that the water inlet pipe always has good drainage performance.

The invention belongs to the technical field of material ultrasonic detection, and relates to a composite board interface defect classification and identification method and system based on echo feature fusion, and the method comprises the steps: extracting ultrasonic echo multi-dimensional acoustic features; calculating a local acoustic feature aliasing degree; combining the acoustic impedance value, the local acoustic feature aliasing degree and the sample scarcity degree to generate a dynamic acoustic cost weight; reconstructing a random forest model, and constructing a cost-sensitive voting factor by using an information gain index and a cost weight; inputting the multi-dimensional acoustic features of the to-be-detected composite board, and executing weighted summation to obtain a classification result; according to the method, the feature aliasing degree can be evaluated more accurately, the sample scarcity and acoustic characteristics are comprehensively considered, the importance of high-risk defect features in decision making is ensured, the misjudgment problem is effectively solved, and the accuracy and reliability of composite board interface defect classification and recognition are improved.

This application discloses an electronic atomized product and a method for determining its nicotine content. The nicotine content in this electronic atomized product is no higher than 500 ng / g, simulating the action and visual experience of smoking, assisting users in adapting to the transition phase without nicotine dependence, and aiding in smoking cessation. The method for determining the nicotine content in the electronic atomized product includes: ultrasonic extraction of the sample using ultrapure water; liquid chromatography separation using an alkaline aqueous phase (pH 9.22–10.76) and acetonitrile as the mobile phase; positive ion ionization using an electrospray ionization source; and detection of nicotine characteristic ions using a single quadrupole mass spectrometer in selected ion monitoring mode, achieving highly sensitive, highly selective, low-cost, stable, and reliable quantitative analysis of nicotine content.

The utility model relates to the technical field of fire extinguishing of energy storage containers, in particular to an automatic water injection fire extinguishing system of an energy storage container, which comprises a controller, an alarm device, the energy storage container, a reservoir embedded in the upper surface of the ground and a water replenishing device arranged on the ground, the energy storage container is arranged in the reservoir, a plurality of water inlet valves are arranged on the energy storage container, and a temperature sensor is arranged in the energy storage container; the reservoir and the water replenishing device are filled with flame-retardant fire water, a drain pipe is arranged on the water replenishing device, and a water outlet of the drain pipe is arranged in the reservoir; the temperature sensor is used for detecting temperature data of the energy storage container and feeding back a temperature detection signal to the controller; and the controller controls the opening and closing of the water inlet valve and the alarm device according to the temperature detection signal. By the adoption of the scheme, when a fire happens to the energy storage container, the energy storage container can be effectively controlled, comburent and explosives are prevented from flying out, and the fire hazard range is reduced.

The invention discloses a method for realizing second harmonic focusing and curve propagation based on a bilinear nonlinear photonic crystal. On the basis of the bilinear nonlinear photonic crystal, second harmonic enhancement is achieved through certain parameter design, the corresponding relation between the bilinear nonlinear material and the second harmonic phase is obtained by changing parameters of the bilinear nonlinear material, and therefore regulation and control over the second harmonic phase can be achieved. On the basis, parameters of the bilinear nonlinear material are designed to meet corresponding second harmonic phase profile requirements, and second harmonic focusing and curve propagation are achieved.

The invention provides an antenna liquid leakage evaluation and protection method based on a cable sensor, and the method comprises the steps: employing the sensing information of the cable type liquid leakage sensor to evaluate the non-leakage state, the leakage state 1, the leakage state 2 and the leakage state 3 in an antenna, and automatically cutting off the supply of cooling liquid for the leakage state 2 and the leakage state 3. A protective measure of switching off a main power supply signal of the antenna and switching on a drain valve to drain liquid is given out, so that leaked cooling liquid is prevented from accumulating to submerge an antenna functional circuit and damage the antenna functional circuit. According to the method, various conditions of cooling liquid leakage in the antenna are considered: in a leakage state 1, possible risk module positioning is evaluated according to sensing information, and a maintenance suggestion is given; and timely liquid cut-off, power cut-off and liquid drainage measures are taken in the leakage state 2 and the leakage state 3. According to the invention, the maintenance work intensity of workers is effectively reduced, the maintenance work efficiency is improved, the risk of antenna damage caused by liquid cooling leakage is reduced, and the working safety and reliability of the liquid cooling antenna array are improved.

The application relates to the field of semiconductor technology and discloses a microwave reflection photoconductance measurement system for wafer film carrier lifetime, which comprises a reconfigurable differential metasurface probe, which interacts with a wafer film to be measured in a near-field coupling mode; an optical excitation module, which performs pulsed light irradiation on the wafer film below a measurement area to generate non-equilibrium carriers; a dual-channel microwave transceiving module, which feeds microwave signals to the measurement area and a reference area; a closed-loop feedback control module, which receives the differential signal as input before the optical excitation module works; and a data acquisition and processing module, which collects transient changes of the differential signal after the optical excitation module works. The closed-loop feedback control module actively adjusts the microwave response of the reconfigurable probe reference area, the differential signal baseline is locked to zero before measurement, common-mode noise is suppressed, and the signal-to-noise ratio of the transient decay curve and the measurement accuracy are improved.

The application discloses a ship radiation noise line spectrum estimation method based on multi-snapshot sparse Bayesian learning, and belongs to the field of underwater acoustic signal processing; the method utilizes the sparse characteristics of the ship radiation noise line spectrum, that is, the line spectrum is not uniformly distributed in the whole frequency range, but is discrete and sparse, converts the line spectrum estimation problem into a sparse signal recovery problem, so as to solve the problems in the background technology, under the condition that the data sample length is limited and the sparsity is unknown, the Bayesian framework utilizes probability modeling to adaptively adjust the hyperparameters from the global optimization angle, can effectively reduce the sidelobe, realizes high resolution, reduces the background noise fluctuation variance through multiple observation snapshots statistical average, enhances the signal-to-noise ratio of the line spectrum output, and improves the line spectrum feature detection performance.

The invention discloses an intelligent floating type electrochemical water treatment system which comprises electrochemical water treatment equipment, a power supply cabinet, a control cabinet and a remote client, side buoys are arranged on two side plates of the electrochemical water treatment equipment, two wiring electrodes are arranged at the top of the electrochemical water treatment equipment, and a scale depositing bag is arranged at the bottom of the electrochemical water treatment equipment; a negative plate and a positive plate are arranged in a box body of the electrochemical water treatment equipment and are respectively connected with two wiring electrodes; the power supply cabinet is connected with the two wiring electrodes through a control cable; a regulator is arranged on the power supply cabinet; the control cabinet is connected with the power supply cabinet through a signal cable; and the remote client is connected with the control cabinet, receives the current data and the voltage data transmitted by the control cabinet in real time, and adjusts the output current or the output voltage of the power supply cabinet through the control cabinet. According to the invention, the phenomena of equipment submerging and electrode burning loss caused by too high water level of the pool can be avoided, and the running current or voltage of the electrochemical water treatment equipment can be remotely monitored and adjusted to meet the requirement of water treatment.

The invention discloses an overwater operation platform which comprises four supporting anchor piles, two sets of self-adaptive fastening devices and a bearing table, the number of the supporting anchor piles is four, one set of self-adaptive fastening devices is arranged between the two supporting anchor piles, and the bearing table is jointly arranged on the peripheral side faces of the four supporting anchor piles. According to the self-adaptive fastening device, in case of flood tide or heavy rain and the like, a main buoyancy plate floats upwards to drive a fastening upper ring on the same fastening assembly to synchronously move upwards, a connecting rod pulls a limiting claw to be separated from a limiting hole and drives the self-adaptive fastening device to synchronously move upwards to a proper position, and after the buoyancy of water is lost, the limiting claw is inserted into the limiting hole again to fix a bearing table; when the water level drops, the main buoyancy plate fastens the shell to drive the convex block to move downwards along the convex groove under the action of the balancing weight until the limiting claw is ejected open by the movable ring, so that the fastening assembly moves downwards along the supporting anchor pile until the auxiliary buoyancy plate generates buoyancy again and the limiting claw is inserted into the limiting hole again to be fixed, and the situation that the platform is immersed by water due to the rising of the water level is avoided.

The utility model relates to the technical field of charging piles, in particular to a fireproof charging pile, which is characterized in that the left side and the right side of the upper end of a base are fixedly connected with supporting plates, the upper ends of the supporting plates are slidably connected with a fireproof shell, the upper end of the fireproof shell is fixedly connected with a water receiving frame, and the outer side of the lower end surface of the water receiving frame is fixedly connected with a water injection frame; by means of the water collecting tank, water can be supplemented or rainwater can be collected, under the condition that a fire disaster occurs, an alarm is given out through the fire alarm, the water pump can be controlled to be started through the control chip, and therefore the fire disaster can be prevented. The water source in the water collecting tank can be injected into the water injection frame through the water injection pipe, fire sources around the charging pile are extinguished through the spraying head, damage to electronic components in the charging pile caused by external high temperature can be avoided through the fireproof shell and the thermal insulation lining, and the fireproof protection effect on the charging pile is improved.

The present disclosure relates to a method, an apparatus, a computer program product and a system for event identification and notification. The method includes identifying an event based on at least one of a video and audio temporally aligned with the video; allocating event levels for the events based on a preset grading mode; and determining a notification mode for the event based on the event level.

The present invention relates to the field of laser radar technology, and discloses a laser radar scanning head with isolated light receiving and light path, comprising: a transmitting mirror assembly, comprising an output mirror, a receiving mirror surrounding the output mirror, and a first isolation lens barrel and a second isolation lens barrel isolating the output mirror from the receiving mirror and being arranged on both sides of the normal line of the output mirror; the internal spaces of the first isolation lens barrel and the second isolation lens barrel are connected to the surface of the output mirror; a reflector assembly has the same structure as the transmitting mirror assembly; and a window plate assembly, comprising a third isolation lens barrel, an output window plate arranged in the third isolation lens barrel of the reflector assembly, and a receiving window plate arranged outside the third isolation lens barrel, the output window plate forms an acute angle with the central axis of the third isolation lens barrel, the receiving window plate is perpendicular to the central axis of the third isolation lens barrel, the third isolation lens barrel is connected to the first isolation lens barrel of the reflector assembly and is coaxially arranged, so as to prevent the output laser beam from entering the receiving system before exiting the system.

The utility model relates to a distribution box with a mounting rack, which belongs to the technical field of distribution boxes, and comprises a mounting rack body, the bottom of the mounting rack body is in bolted connection with a screw, the top of the mounting rack body is provided with a rain baffle, the mounting rack body is provided with a limiting mechanism and an adjusting assembly, and the adjusting assembly is provided with an adjusting mechanism. And the limiting mechanism comprises a box body arranged in the mounting frame body, the bottom of the box body is rotationally connected with a rotating rod, the top of the rotating rod is fixedly connected with a first bevel gear, and the inner bottom wall of the box body is fixedly connected with two fixing plates. According to the distribution box with the mounting rack, the limiting mechanism is arranged, so that the mounting rack has a limiting function, the effect of limiting and fixing the distribution box body is achieved, distribution box bodies of different sizes can be conveniently mounted on the mounting rack body, the mounting and dismounting efficiency of the distribution box body is improved, and the practicability of the mounting rack is improved.

The invention relates to an automatic compensation power generation device for sea wave energy and wind energy, wherein a plurality of support rods are fixedly connected at equal intervals on the top of a foundation, a same floating layer is fixedly connected to the top of the plurality of support rods, a fixed box is fixedly connected to the top of the floating layer, a plurality of wave energy power generation components with the same structure are arranged in a circular manner at equal intervals in the floating layer, a turntable is rotatably connected to the top of the fixed box, a rotating shaft is rotatably connected to the bottom inner wall of the fixed box, a wind energy power generation component is arranged on the top of the turntable, and a conversion component is arranged in the fixed box to enable the wave energy power generation component to drive the rotating shaft to rotate; the invention solves the problems that wind turbines currently installed on the sea surface have low power generation efficiency, cannot fully utilize wind energy, and are easily submerged by sea waves.

The application claims a micro-expression recognition method based on spatio-temporal feature representation learning, aiming to solve the problems of spatial detail loss, temporal feature ambiguity and small sample overfitting in micro-expression recognition, belonging to the technical field of computer vision and pattern recognition. The method comprises the following steps: step 1. The application proposes an upsampling and position perception module, which restores high-resolution features and performs orthogonal decomposition on them to accurately locate the coordinates of high-frequency action units, so as to alleviate the loss of spatial details. Step 2. The application designs a motion difference fusion module, which highlights weak motion changes through explicit time difference and adaptive gating mechanism, and prevents them from being covered by deep semantic features. Step 3. The application designs a two-stage adaptive prototype contrast learning strategy, which compresses the intra-class variance and expands the inter-class boundary through focal loss preheating and orthogonal prototype alignment based on memory bank, to cope with the problems of small sample and class imbalance.

The invention relates to an upper flange, an air conditioner compressor and an air conditioner, relates to the technical field of air conditioner compressor equipment, and aims to solve the problem of abnormal noise caused by liquid accumulation of the compressor. The upper flange is provided with a liquid drainage channel, and the liquid drainage channel comprises a liquid accumulation groove which is formed in the upper flange of the air conditioner compressor and used for collecting accumulated liquid in the silencing cavity; the liquid drainage groove is formed in the upper flange, and one end of the liquid drainage groove communicates with the liquid accumulation groove; wherein an overflowing hole is formed in the upper flange, the other end of the liquid discharging groove is communicated with the overflowing hole, and accumulated liquid is discharged out of the silencing cavity through the liquid accumulating groove, the liquid discharging groove and the overflowing hole in sequence. According to the silencer, the liquid accumulation groove is formed and used for collecting accumulated liquid in the silencing cavity. And the liquid drainage groove is arranged, and accumulated liquid in the liquid accumulation groove is conveyed to the overflowing hole in time through the liquid drainage groove. Therefore, the accumulated liquid can be discharged out of the silencing cavity from the overflowing hole in time. And therefore, it is ensured that the noise shielding frequency band of the silencer achieves the expected effect.

The invention relates to the technical field of power distribution cabinets, and discloses a moisture-proof power distribution cabinet controlled by intelligent agricultural Internet of Things, which comprises a power distribution cabinet body, and a drying mechanism is arranged in the power distribution cabinet body; the drying mechanism comprises a first sliding groove, a first sliding block, a movable support, a connecting rod, an air suction fan, a first transmission shaft, a half-tooth gear and transmission teeth. The number of the first sliding grooves is two, the two first sliding grooves are formed in the inner wall of the back face of the power distribution cabinet body, the first sliding blocks are connected into the first sliding grooves in a sliding mode, the double-head motor is started to drive the first transmission shaft to rotate, and the first transmission shaft rotates to drive the four air suction fans to move up and down in a reciprocating mode. The air in the power distribution cabinet body is sucked into the power distribution cabinet body in the moving process, and the air is dehumidified through the drying agent in the power distribution cabinet body, so that the heat dissipation uniformity is improved, and the normal work of electrical elements in the power distribution cabinet body can be ensured.

The invention relates to a video prediction model based on operator learning. The video prediction model comprises a coding layer, an operator layer and a decoding layer, the coding layer receives an externally input video, the video is a series of continuous picture sequences, gridding labeling is carried out on the video, and time information and the originally input picture sequences are fused; carrying out downsampling processing on the fused picture sequence, and sending a processing result to an operator layer; the operator layer adopts a self-adaptive Fourier neural operator to carry out Fourier transform on a result processed by the coding layer, and extracts spatial-temporal characteristics; and the decoding layer obtains a predicted picture sequence according to the spatial-temporal characteristics provided by the operator layer. According to the method, the application requirement of space-time flexibility of the prediction task can be met under the conditions of data missing, low input data frame rate and the like, and meanwhile, the precision in the video prediction task is relatively high.

The invention discloses a circulation transmission method and system for sampling signals of an intelligent water station, and relates to the technical field of artificial intelligence, and the method comprises the steps: dividing the sampling signals into slow variables and fast variables according to the change rate of the sampling signals, and dividing the slow variables and the fast variables into signal subsets with different priorities according to the importance indexes of the sampling signals; for the signal subset of each variable category, defining a slow variable depth Q network state space, an action space and a reward function and a fast variable depth Q network state space, an action space and a reward function, and constructing a slow variable depth Q network and a fast variable depth Q network; the edge device receives the variable state of the signal subset, outputs a global sampling decision according to the slow variable depth Q network and the fast variable depth Q network, and executes the global sampling decision and collects sampling signals; and the edge device divides the sampling signals into data packets according to the priority, and performs grading processing on the data packets according to the variable category and the priority sequence.

The utility model discloses a frequency conversion circuit, a frequency conversion signal transmit-receive module and a passive wireless pressure sensor, belonging to the technical field of wireless monitoring, the passive wireless pressure sensor comprises a frequency conversion signal transmit-receive module, a pressure sensing module and a power supply module, the frequency conversion signal transmit-receive module comprises a first antenna, a circulator and a frequency conversion circuit, and the frequency conversion circuit converts the downlink radio-frequency signal into a frequency-converted uplink radio-frequency signal and transmits the frequency-converted uplink radio-frequency signal back. The frequency conversion circuit provided by the utility model has the characteristic of different frequencies of uplink and downlink radio frequency signals, avoids self-interference, improves the receiving sensitivity, expands the wireless communication distance, and improves the communication coverage capability of a reader.

The utility model relates to the technical field of foam discharging devices, and discloses a surfactant foam discharging device which comprises a fixing frame, supporting legs are fixedly installed at the bottom of the fixing frame, a box body is fixedly installed on the inner wall of the fixing frame, and an anti-overflow mechanism is arranged outside the box body. The anti-overflow mechanism comprises a filter screen and a water tank, the filter screen is fixedly installed at the bottom of the box body, water in the water tank is pressurized through a booster pump and then pumped into a water inlet pipe, water flow sequentially enters a communicating pipe and a spray head from the water inlet pipe and then is sprayed to bubbles on the surfactant from the spray head, the bubbles are broken through, and the purpose of bubble discharging is achieved. And the filter screen and the water storage sleeve are arranged at the bottom of the box body to filter water mixed in the active agent, so that the water in the box body enters the water storage sleeve and then enters the water tank from the drainage pipe, and the phenomenon that liquid in the box body overflows due to excessive water in the box body is avoided.

The utility model relates to the technical field of fabricated buildings, in particular to an integral temporary steel bridge which comprises a base assembly arranged at the bottom of a riverbed, a supporting assembly connected with the two sides of the riverbed is arranged on the base assembly, and a bridge deck assembly is arranged on the supporting assembly. According to the integral temporary steel bridge, the clamping design of an original assembly type temporary steel bridge is changed, the bridge body is welded and connected in advance after the structure of the bridge body is simplified, the integrity of the temporary steel bridge is enhanced, and the requirement for large actual use load when the assembly type bridge is built on a temporary passing river channel is met; drainage holes are formed in the bridge floor in advance, the drainage effect of the bridge is improved, and the surface of the bridge body is prevented from being submerged by riverway water level rising; workers can arrange the guardrails on the bridge body according to actual needs, the bridge floor fixing steel is arranged, reinforced connection of the bridge floor is facilitated, the mounting vacancies are reserved in the bridge floor fixing steel to facilitate mounting of the guardrails in the later period, and the situation that the guardrails are welded in advance, and consequently the integral temporary steel bridge is inconvenient to transport is avoided.