119 results about "Tube drain" patented technology

A trench drain includes a trench, a grating seat and a grating hingedly connected to the trench. The trench has a base wall with peripheral side walls extending upwardly therefrom and an outwardly-extending peripheral flange. The grating seat is configured to receive the grating. The peripheral side walls of the trench have a pair of opposing elongated slots formed therein and the grating has a pair of posts on opposing ends thereof. Each of the pair of posts on the grating are received in a respective one of the pair of opposing elongated slots of the trench to establish an axis of rotation.

The invention relates to the field of drainage pipe scale cleaning, and discloses a high-speed tunnel drainage pipe scale cleaning robot device and a method thereof.The high-speed tunnel drainage pipe scale cleaning robot device comprises a chassis, a robot body and a multi-degree-of-freedom mechanical arm, the robot body is arranged on the chassis, and the multi-degree-of-freedom mechanical arm is arranged on the robot body; the grinding device is installed at one end of the multi-degree-of-freedom mechanical arm, the visual detection structure is arranged on the multi-degree-of-freedom mechanical arm and serves as an eye of the robot body, the multi-degree-of-freedom mechanical arm and the angle adjusting structure are matched, the angle can be automatically adjusted, the view field range is larger, and the working distance is longer.

The invention belongs to the technical field of drainage pipeline detection, and particularly relates to a voiceprint recognition detection method for internal defects of a drainage pipeline, and the method comprises the following steps: S1, collecting sound signals in the pipeline through an acoustic sensor array; s2, preprocessing the collected sound signals, wherein the preprocessing comprises noise filtering, signal enhancement and segmentation processing; s3, extracting time domain, frequency domain and time-frequency domain features of the sound signals, and constructing voiceprint fingerprints; s4, establishing a defect classification model based on the deep neural network, and identifying different types of pipeline defects; s5, carrying out confidence evaluation on the detection result, and determining the position of the defect in the pipeline; s6, outputting a detection result and carrying out graded alarm; according to the method, various defect forms of cracks, blockage, damage and the like of different degrees of the drainage pipeline can be recognized, the recognition accuracy of the internal defects of the drainage pipeline can reach 95% or above through multi-dimensional voiceprint feature extraction and a deep learning algorithm, and continuous monitoring and real-time alarming can be achieved.

The invention discloses a vibration type drain pipe crystal removal device, and particularly relates to the technical field of pipeline crystal removal, the vibration type drain pipe crystal removal device comprises a cylindrical main machine and a guide climbing frame, one end of the cylindrical main machine is in bolted connection with a propeller, and one end of the cylindrical main machine is provided with a crystal cleaning assembly used for layering and disintegrating crystals in a pipe; the crystal cleaning assembly comprises a conical guide frame and a driven guide ring frame which are movably connected to one end of the cylindrical main machine; a plurality of driving vibration rods and a plurality of driven vibration rods are respectively arranged outside the conical guide frame and the driven guide ring frame; according to the device, crystals in a pipeline are knocked in advance through the driving vibration rod and the driven vibration rod, the knocking target of the driving vibration rod and the driven vibration rod is a crystallization layer instead of a pipe wall, impact force is absorbed by the crystallization layer and does not directly act on a pipe wall body, and after the crystals are knocked to be loose, planing can be completed by the scraping tooth disc without applying too large force; and the scraping tooth disc further planes the fragments into fine chippings, so that the pipeline crystal removal efficiency is improved.

The invention belongs to the field of drainage pipeline siltation intelligent diagnosis, and particularly discloses a drainage pipeline siltation intelligent diagnosis method fusing an improved IKAN and a Transform network, and the method comprises the steps: collecting a drainage pipeline inlet and outlet flow and flow velocity data sequence, and carrying out the standardization preprocessing; an improved IKAN module based on adaptive learning is constructed; performing local feature extraction by using a one-dimensional convolutional layer; the feature data is mapped to a high-dimensional token space through a Tokenization module; the method comprises the following steps of: constructing a multi-layer Transform network fused with an improved IKAN (Internet Kalman Area Network); and a double-task learning framework is adopted, and regression prediction results of the deposition thickness and the deposition length and a classification result of whether deposition exists are output at the same time. The optimal performance is obtained when the time step is 15 seconds, the RMSE, the MSE and the MAPE reach 0.282, 0.248 and 0.185 respectively when the noise sample proportion is smaller than 50%, and the method has high robustness and prediction accuracy. According to the method, the accuracy and efficiency of drainage pipeline siltation diagnosis are remarkably improved, and a new technical path is provided for intelligent operation and maintenance of an urban drainage pipe network.

The invention relates to the technical field of drainage pipeline detection, and discloses an endoscopic detection device for a drainage pipeline, which comprises a detection assembly and a detection assembly, the detection assembly comprises a walking vehicle, the walking vehicle is provided with a detection head, and the tail part of the walking vehicle is connected with a wire; the positioning assembly is arranged on the wire and comprises a positioning piece, the positioning piece comprises a guide wheel located on the outer side of the wire, a fixing column is fixed in the guide wheel, a connecting plate is rotationally connected to the outer side of the fixing column, a connecting rod is fixed to the top of the connecting plate, and a winding wheel is arranged on the top of the connecting rod. The beneficial effects of the invention are that through the arrangement of the positioning assembly, the cable can be kept in a stable bending state and does not rub with the inner wall of the pipeline, thereby avoiding signal interruption or equipment short circuit caused by wear of an outer sheath of the cable, conductor fracture and cracking of an insulating layer, eliminating the influence of frictional resistance on the connection point of the detection head and the walking mechanism, and improving the detection precision. Detection interruption caused by disconnection of the two is avoided, and the detection process is continuous and stable.

The present invention provides stormwater drain inserts that may include a bib with an adjustable outer frame and an inner support ring for supporting a removable filter bag. An annular seal flap may be provided around a central opening of the bib above the inner support ring. Overflow ports may be provided in the bib between the outer frame and the inner support ring.

The utility model discloses a steam ablation needle structure which comprises an ablation needle tube sheath, a guide head, a steam conveying tube, a flushing and draining tube and a flushing and draining change-over switch, and the flushing and draining change-over switch comprises a switch base and a flushing and draining change-over valve element. The flushing and draining device is compact in structure, small in diameter and capable of smoothly entering and exiting from the lumen tissue of the human body and reducing harm to the human body, water inlet and water drainage can be rapidly switched by shifting the flushing and draining change-over switch, and flushing and draining operation is more convenient. In addition, a miniature lens used for observing the state and the position of the steam conveying needle is further arranged, and the miniature lens is not used as a separating device matched with the ablation needle like a traditional endoscope, but is directly integrated at the front end of the interior of the ablation needle, so that the section of the flushing and discharging pipeline can be minimized; therefore, the cross section of the whole ablation needle is reduced, and the damage of the ablation needle to the lumen tissue of the human body is further reduced.

The invention discloses an optical fiber vibration and temperature measurement diagnosis method and system for drainage pipe leakage, and relates to the field of temperature measurement. Determining a temperature characteristic signal based on the vibration signal and a Raman scattering effect; performing wavelet packet transformation processing on the vibration signal to obtain a plurality of equal-broadband signals; eliminating noise in the plurality of equal-broadband signals, the similarity of which to a preset noise feature library is greater than a preset similarity threshold value, by adopting a minimum mean square algorithm to obtain a denoised vibration feature signal; an LSTM-GRU hybrid neural network model is constructed; splicing the output features of the LSTM layer and the GRU layer to obtain fusion features; and matching the fusion feature with a preset fault mode classification table to obtain a fault type of the drainage pipe, adding the fault type to a preset template, and outputting a diagnosis result of the drainage pipe. According to the method, the identification capability of tiny leakage in a complex environment is improved, the false alarm rate is reduced, and the accuracy of leakage detection of the drainage pipe network is improved.

The utility model provides an integrated water tank convenient to clean, and belongs to the technical field of integrated water tanks. The integrated water tank convenient to clean comprises a seat plate, and a plurality of water tank bodies are installed on the seat plate. A water tank body is mounted on a table body, the bottom of the water tank body is communicated with a drainage pipeline, a filter cartridge is inserted into the drainage pipeline, a screw rotationally penetrates through the bottom of the filter cartridge, a connecting block is mounted at one end of the screw, and an inner scraper is mounted on the outer wall of the connecting block, so that the screw is rotated, and the inner scraper slides on the inner surface of the filter cartridge; in addition, a limiting groove is formed in the screw rod, a limiting block is installed on the inner wall of the lantern ring, the lantern ring is arranged on the screw rod in a sleeving mode, the limiting block is arranged in the limiting groove in a sliding mode, and therefore when the screw rod rotates, the lantern ring can be driven to rotate, the outer scraping plate slides on the outer surface of the filter cylinder, and the purpose of cutting the sundries inside and outside is achieved. And therefore, impurities blocked in the filter cartridge can be conveniently flushed.

The invention discloses a three-way pipe and clothes treatment equipment, and relates to the technical field of clothes treatment, and the three-way pipe comprises a first water inlet branch pipe, a second water inlet branch pipe and a third water inlet branch pipe, a second water inlet branch pipe; the water outlet branch pipe internally comprises a confluence channel, a first channel and a second channel, the first channel and the second channel are communicated with the first water inlet branch pipe and the second water inlet branch pipe respectively, and the first channel and the second channel converge at the confluence channel; and the exhaust branch pipe is communicated with the outside and the second channel. The exhaust branch pipe is arranged on the three-way pipe, the exhaust branch pipe is communicated with the outside and the second channel in the water outlet branch pipe, gas in the three-way pipe can be exhausted, and smooth drainage is guaranteed.

The invention belongs to the technical field of tunnel construction, and discloses a protection device for tunnel construction and a using method of the protection device. A header tank; a drain pipe group; the supporting device is connected with the water collecting tank; a drilling assembly; and a slurry supplementing assembly. The notch set is excavated at the upper end of the to-be-excavated section of the tunnel before the step is excavated, the water collecting tank is embedded into the notch set, seepage water can flow into the water collecting tank through a plurality of water inlets and is drained through the drainage pipe set, the situation that the seepage water directly washes the step when the step is excavated can be avoided, and therefore the phenomena of water accumulation and softening are avoided; when water seepage is slowed down, drilling is conducted on the top in the notch set, then grouting is conducted, the portion, above the notch set, of the rock soil is filled with grout, the solidified grout and the rock soil are anchored into a whole, the firmness of the rock soil on the top can be reinforced, continuous water seepage of the area can be prevented, and the probability of water seepage is greatly reduced.

The invention discloses a coal mine energy-saving unpowered drainage device and method, and relates to the technical field of coal mine energy-saving equipment, the coal mine energy-saving unpowered drainage device is installed in a large-aperture drill hole with the diameter larger than or equal to 350 mm, the coal mine energy-saving unpowered drainage device comprises a large-aperture main pipe connected with the large-aperture drill hole in a sealed mode, and an air chamber is formed between the top wall of the large-aperture main pipe and a water layer of the large-aperture drill hole; the top of the large-aperture main pipe is communicated with an air inlet valve, a pressure release valve and a drainage pipe, the air inlet valve and the pressure release valve are respectively communicated with the air chamber, and the bottom end of the drainage pipe penetrates through the large-aperture main pipe and extends to a position at least 1m below the liquid level of a water layer of the large-aperture drill hole. The drainage system can drain water without power, is more energy-saving, has no electrical equipment intervention, is more reliable in safety, stable and efficient in drainage capacity, longer in service life and simple and convenient to maintain.

The present invention relates to a clog-prevention device for gutter systems configured to maintain continuous water flow while effectively filtering out debris and preventing blockages. The device includes a plate, and a cylindrical portion configured to be installed over a gutter downspout opening. The plate is engineered to be customizable in size and includes a plurality of raised buttons that elevate the device. The perforated body is attached to the plate and includes an upper surface, a lower surface and side surface. The upper front surface is slightly elevated to guide water smoothly into downspout. The lower surface is configured with a series of rectangular cuts to provide structural stability. Along the side surface, a plurality of perforations allows water to enter the device while blocking larger debris. Each perforation is paired with crescent-shaped protrusions that enhance water flow dynamics, prevent debris accumulation, and reduce the likelihood of clogging.

A jet regulator (1) for use in a sanitary outflow fitting. The jet regulator (1) has a housing (2), a jet accelerator device (3), and a jet aeration device (5) which is mounted downstream of the jet accelerator device (3) in a flow direction (4). The stream aerating device (5) has a chamber (6) that has at least one aeration opening (7) through which air can be suctioned into the chamber (6) from the outside. An aperture plate (8) is arranged within the chamber (6), with the aperture plate dividing the chamber (6) into an air inlet part (9) and a mixing part (10), and air is suctioned from the outside in the air inlet part (9) and is mixed with liquid in the mixing part (10).

The present application relates to the field of sewer network monitoring, and particularly relates to a municipal sewer network liquid level data anomaly detection method and device. The present application uses multi-scale feature extraction to ensure feature extraction effect while significantly reducing computational complexity. The multi-class support vector machine is used to finely classify liquid level anomalies, thereby comprehensively and efficiently detecting anomalies. Compared with the single type detection method of the prior art, the detection range is significantly expanded, and various abnormal conditions such as sensor failure, data transmission error and pipe rupture can be effectively identified. Finally, the present application forms a complete anomaly management closed loop from data acquisition, anomaly detection, classification determination to early warning output, and the anomaly log database provides data support for subsequent pipe network health assessment and operation and maintenance decision.

A system for anchoring an underdrain is disclosed. The underdrain having a top surface, a bottom surface positioned opposite the top surface, a first side, and a second side positioned opposite the first side. A base grout layer is on a floor surface of a water filtration system. A reinforcement structure is within the base grout layer, with a protruding portion of the reinforcement structure extending from the base grout layer. A method includes positioning the underdrain on the base grout, with the protruding portion of the reinforcement structure positioned along at least one of the first side and the second side of the underdrain, and installing a fill grout layer onto the base grout layer, with the fill grout layer covering at least a portion of the protruding portion of the reinforcement structure.

The utility model discloses a kind of sewer monitoring sensor fixing devices, the utility model relates to sewer monitoring technical field, including two fixed components, two the fixed component both sides are equipped with positioning assembly, the fixed component includes fixed sleeve, ultrasonic sensor is fixedly installed in the fixed sleeve, first fixed band is fixedly installed in the fixed sleeve one side, and second fixed band is fixedly installed in the fixed sleeve other side, the positioning assembly includes adjusting band and positioning band, the one end of adjusting band and positioning band is equipped with second lock sleeve, third lock sleeve is fixedly installed in the other end of positioning band, adjusting band passes through third lock sleeve, and the surface of adjusting band is equipped with positioning scale;The utility model, can be adjusted according to the diameter of sewer, and can conveniently position and fix the position of two ultrasonic sensors, it is convenient to monitor sewer, with higher practical value.

The application provides a precise positioning method for sewer pipeline leakage based on a concentration gradient color development principle, and comprises the following steps: S1, fixing a color development tape connected with a deployer in a manhole upstream of a pipeline, allowing the deployer to advance spirally along a central axis direction of the pipeline, and continuously releasing the color development tape in the process, so that the color development tape is radially and tightly pressed and fixedly attached to an inner wall detection area of the pipeline, and is arranged along a spiral track in the central axis direction of the pipeline until the deployer reaches a manhole downstream of the pipeline; S2, continuously injecting a tracer upstream of the pipeline; S3, activating a color development reaction of the color development tape under a sewage environment, so as to form a color development intensity gradient corresponding to a pipeline leakage point in a length direction of the color development tape, and the color development intensity gradient is positively correlated with a pipeline leakage flow; and S4, continuously scanning the color development tape by using a colorimetric analyzer method to obtain color development intensity, and determining the pipeline leakage point and leakage intensity according to the color development intensity and color development tape position information.

To provide a substrate processing apparatus and an exhaust pipe cleaning method that can clean exhaust pipes without interrupting substrate processing for a long period of time.SOLUTION: A heat treatment chamber 34 forms a processing space for processing a substrate W. An exhaust pipe 42 for exhausting the atmosphere in the processing space is connected to the heat treatment chamber. An upstream open / close valve 61 and a downstream open / close valve 91 are interposed in the exhaust pipe. A cleaning liquid pipe 62 for introducing a cleaning liquid into the exhaust pipe is connected to a connection point 60 downstream of the upstream open / close valve in the exhaust pipe. A drainage pipe 92 for draining the liquid in the exhaust pipe is connected to a branch point 90 downstream of the connection point in the exhaust pipe. The downstream open / close valve is disposed downstream of the branch point. The exhaust pipe is connected to an ozone detoxifier 94 downstream of the downstream open / close valve.SELECTED DRAWING: Figure 4

The present application relates to the field of sewer scale removal, and discloses a tunnel sewer scale removal robot visual detection device and method thereof, which comprises a robot main body, a mechanical arm and a cleaning head, the robot main body is provided with the mechanical arm, one end of the mechanical arm is installed with the cleaning head, when the front camera or the rear camera is damaged and affects normal visual detection work, the broken front camera or rear camera is pushed out from the visual detection box through the switching structure, and the transmission structure and the driving structure are matched, after the broken front camera or rear camera is pushed out, the standby camera is automatically rotated, so that the broken front camera or rear camera is stored in the visual detection box, normal visual detection work is carried out through the standby camera, and during the scale removal process in the pipeline, the robot main body does not need to be taken out from the pipeline to replace the front camera or the rear camera, so that the scale removal work can be continued, and the work efficiency is greatly improved.

The utility model belongs to the field of drainage pipelines of residential buildings, and particularly relates to a multi-element stacked villa drainage pipeline which is arranged in a building which comprises a first living unit, a second living unit, a third living unit and a fourth living unit. The first living unit, the second living unit, the third living unit and the fourth living unit are each internally provided with a pollution discharge area, and the drainage pipeline comprises a main pipeline, a first drainage stand pipe, a second drainage stand pipe, a third drainage stand pipe and a fourth drainage stand pipe, and the first drainage stand pipe, the second drainage stand pipe, the third drainage stand pipe and the fourth drainage stand pipe are communicated with the main pipeline. The first living unit is communicated with a first drainage vertical pipe, the second living unit is communicated with a second drainage vertical pipe, the third living unit is communicated with a third drainage vertical pipe, the fourth living unit is communicated with a fourth drainage vertical pipe, and independent drainage vertical pipes are provided for all the living units. And each living unit independently drains water to the main pipeline without mutual influence, so that the independence of drainage of the stacked villa is improved.

A siphon jet flush toilet comprises: a bowl; a rim spout port suppling flush water to the bowl; a discharge trap conduit; a jet spout port spouting flush water toward an inlet of the discharge trap conduit; a reservoir tank including a jet spouting discharge valve and storing flush water; a jet water conduit configured to guide the flush water in the reservoir tank to the jet spout port; and a controller being configured to control a rim spouting in which the flush water is spouted from the rim spout port and a jet spouting in which the flush water is spouted from the jet spout port, wherein the jet spouting discharge valve includes a valve body, the valve body being arranged at a position that is lower than an upper surface of the bowl and higher than a seal water level, and before opening the jet spouting discharge valve, the flush water is supplied to the jet water conduit.

A downstream ball valve purge inlet deliberately directs purge fluid onto a downstream portion of the valve ball. The Coanda effect attaches some fluid to the surface of the ball such that it flows around the ball to its opposite side, thereby cleaning the downstream valve cavity more effectively than a design that avoids impacting the ball, and relying on mixing to dispense the cleaning fluid onto the ball. The wash inlet may be downstream of the ball, and directed at an acute angle, near the ball, and perpendicular to the outlet axis, or some combination thereof. The central cavity purge drain may be connected with the purge inlet such that the same fluid purges the valve interior and the downstream cavity. Embodiments include a plurality of downstream purge inlets, which may have equal purge angles and may be equally spaced about an outlet axis.

The invention relates to the technical field of self-priming pumps, and discloses a self-priming pump with an ultrahigh suction height, which comprises a self-priming pump body, the self-priming pump body comprises a water inlet pipe and a water outlet pipe, a self-priming chamber is formed on the inner side of the self-priming pump body, after the self-priming pump body enters an extraction working state, an operator can slowly rotate a rocking wheel, and the self-priming pump body is driven to rotate by the rocking wheel; the moving part is gradually reset to the initial arrangement position; and then, the effective accommodating space in the self-suction chamber is restored, and more media can be continuously filled into the self-suction chamber, so that the negative pressure vacancy formed by the previous displacement of the moving part is filled. By dynamically adjusting the volume of the cavity of the self-suction chamber and under the synergistic effect of the impeller piece, the space of the fixed cavity of the self-suction chamber can be flexibly switched between the two working conditions of'residual liquid filling 'and'formal extraction', the inherent defects of a traditional fixed-volume self-suction chamber are effectively overcome, and the problem that a large-volume self-suction chamber is low in efficiency in the residual liquid filling stage is effectively solved; and the operation stability of the small-volume self-suction chamber in the official extraction stage is insufficient.

The utility model belongs to the technical field of cooling systems, and discloses a low-position exhaust locomotive cooling system which comprises a dry expansion water tank, a radiator, a drainage pipeline and an exhaust pipeline. The dry expansion water tank is arranged below the radiator; the other end of the drainage pipeline is communicated with the bottom of the dry-type expansion water tank; and the other end of the exhaust pipeline is communicated with the top of the dry-type expansion water tank. By means of the arrangement, especially the design of the relative positions of the dry expansion water tank and the radiator, when a locomotive stops running, it is guaranteed that cooling liquid cannot be retained in the radiator, the problems that in the low-temperature environment, the cooling liquid freezes to enable a pipe fin type radiator pipeline to be expanded and broken, and consequently liquid leakage of the radiator is caused are solved, and the system exhaust function is also considered; the reliability and the service life of the cooling device are ensured; the relative position of the dry expansion water tank and the radiator is matched with the design of the built-in flow channel, so that the installation of the dry expansion water tank is more flexible and convenient, and the design space is better utilized.

The invention provides a sampling object storage device, and relates to the field of storage devices, the sampling object storage device comprises a main storage tank body, the upper part of the main storage tank body is rotatably provided with an upper cover body, the inner side of the main storage tank body is provided with a middle stirring blade, the inner side of the main storage tank body is provided with an inner anticorrosion release box, the main storage tank body is internally provided with a floating piece, and the lower part of the main storage tank body is fixedly provided with a drainage hard pipe; an upper water wheel is fixed to the outer side of the upper portion of the upper screw pipe, connecting tooth blocks are arranged in the middle of the upper screw pipe in an annular array mode, the lower portion of the upper screw pipe is rotationally connected with a lower connecting column, the lower connecting column is fixedly connected with the bottom of the main storage tank body, and middle connecting bevel teeth are rotationally arranged on the upper portion of the lower connecting column. Liquid in the middle of the main storage tank body is drained outwards by the hard flow pipe to extract a test sample, so that the sampling is more uniform, and the problem of inaccurate detection result deviation caused by non-uniform urine from the upper layer of the sample storage container is solved.

The utility model provides a pipe fitting surface coupling water removing device suitable for water immersion type ultrasonic flaw detection, which belongs to the field of surface water removing devices and comprises a mounting plate, a lifting component and a water scraping component, a lifting table is arranged at the top of the mounting plate; a fixing frame is mounted at the top of the lifting table; the water scraping sleeve is installed at the top end of the fixing frame, the water blocking rings are installed on the water scraping sleeve through the installation grooves formed in the inner walls of the two ends, and after a steel pipe penetrates through the water scraping sleeve, the water blocking rings scrape coupling water left on the surface of the steel pipe, so that the coupling water is prevented from corroding the surface of the steel pipe, and the service life of the steel pipe is prolonged. And meanwhile, a protective cover is arranged on one side of the water scraping sleeve, the water blocking ring can be conveniently taken down by opening the protective cover, the matched water blocking ring is replaced according to the diameter size of the steel pipe, and the water scraping effect is improved.

To provide an automatic faucet for allowing the assembly of a water discharge port unit and a sensor unit in the pipe internal of a water discharge pipe so as to widely secure an installation space for each of them.SOLUTION: An automatic faucet 1 includes a water discharge pipe 2 through which a water discharge tube is passed, a water discharge port unit 4 inserted into the pipe internal of the water discharge pipe 2 ranging from the pipe front end side to an abutment position, and a sensor unit 5 inserted into the pipe internal ranging from the pipe front end side to an abutment position so as to be arranged in parallel to the water discharge port unit 4 in a pipe radial direction. The water discharge port unit 4 is flow-path connected to the water discharge tube to form a water discharge port 4B in the pipe front end. The sensor unit 5 includes a reflection type photoelectric sensor 5A. The automatic faucet 1 further includes a screw 7 which is inserted from the pipe front end side between adjacent edges where the sensor unit 5 and the water discharge port unit 4 are arranged adjacent to each other and fastened into the pipe internal so as to press these from the pipe front end side.SELECTED DRAWING: Figure 2

The utility model discloses a box body assembly, a battery and a power utilization device, and belongs to the technical field of batteries. The box body assembly comprises a box body and a drainage structure, a containing cavity and a water accumulation groove are formed in the box body, and a water outlet is formed in the groove bottom of the water accumulation groove; the drainage structure comprises a floater and a drainage pipe, the floater is installed at the water outlet in a floating mode and used for selectively blocking the water outlet, and the drainage pipe is connected to the water outlet and at least partially located in the containing cavity. The water accumulation tank, the floater mounted at the water outlet of the water accumulation tank in a floating manner and the drainage pipe connected to the water outlet are arranged in the box body, so that redundant water on the surface of the box body can be automatically drained under the condition that normal use of a battery is not influenced, the box body is kept dry and clean, and potential corrosion and short-circuit risks are reduced; and optimization of space utilization in the box body is facilitated.