340 results about "Structural water" patented technology

The invention discloses an acoustic-optical imaging semantic fusion detection method for underwater defects of a hydraulic structure, and the method comprises the steps: obtaining underwater acoustic and optical images of the hydraulic structure at the same time through underwater acoustic-optical imaging sensing for the underwater defects of the hydraulic structure; and on the basis, acoustic semantic features in the acoustic image are extracted through a semantic feature extraction module, optical image features in the optical image are processed by taking the acoustic semantic features as guidance, and a defect detection result is obtained when an underwater defect target exists in the image, so that underwater defect sound-light imaging semantic fusion detection is realized. The technology is suitable for health monitoring of various dam system hydraulic structures, and operation safety and water safety of hydraulic engineering are guaranteed.

A system is for cooling at least one computing device using water. The system has a body of water defining a first waterline and a structure at least partially submerged in the body of water. An internal volume of water defines a second waterline. At least one outlet drains water from the internal volume of water to the body of water. A container is at least partially submerged in the internal volume of water and has at least one computing device that generates heat in use. An inlet pipe has a pump to move water from the body of water to the internal volume of water. A flow path of water is provided across the container towards the at least one outlet. The second waterline is at a height above the first waterline to drive the flow path to provide cooling of the container and computing device therein.

The invention relates to the technical field of water supply network operation and maintenance detection, in particular to a water supply network multi-pipeline leakage detection and positioning method, which comprises the following steps of: acquiring pressure time sequence data of a monitoring point of a water supply network, processing to generate a standardized pressure fluctuation sequence, and analyzing the data by utilizing a pre-trained leakage reasoning calculation model; leakage suspected degree scores and leakage type classifications are obtained, high-suspected-degree leakage events are screened, and corresponding positions and timestamps are obtained. A transient flow state inversion equation set is built in combination with a pipe network topological structure and a hydraulic model, a standardized pressure sequence is used as a boundary condition, pipe section hydraulic state changes are reversely deduced through a state inversion algorithm, pressure gradient abrupt change points are recognized, corresponding pipe sections are positioned, and leakage types and positioning information are fused to generate a complete detection positioning report. According to the method, leakage types can be accurately distinguished, multi-pipeline concurrent leakage pipe sections can be accurately positioned, non-leakage signal interference is reduced, and the method is adaptive to a complex pipe network leakage detection scene.

The invention relates to the technical field of pipeline temporary plugging devices, and discloses a quick mounting and dismounting device for temporary plugging of a large-diameter pipeline, which comprises a concrete structure pool wall and a central shaft rod, and a supporting and positioning mechanism is arranged on the concrete structure pool wall. A waterproof sleeve is fixedly connected to the inner wall of the concrete structure pool wall body, a shaft rod sleeve is slidably connected to the center shaft rod, and a plurality of first protruding blocks are fixedly connected to the outer wall of the shaft rod sleeve. The supporting and positioning mechanism ensures that the device is stably placed in the pipeline, water flow impact and pipeline vibration are avoided, displacement and shaking are avoided, the installation integrating degree of all parts is higher, the installation quality and efficiency are improved, repeated adjustment caused by installation errors is reduced, meanwhile, internal stress distribution of the device can be optimized, and the service life of the device is prolonged. Abrasion of parts caused by uneven stress is reduced, the overall service life of the device is prolonged, the applicability of the device in a complex pipeline environment is enhanced, and a foundation is built for smooth implementation of plugging operation.

The invention relates to the technical field of hydroelectric generation, in particular to an impulse turbine, a water bucket and a mortise and tenon joint structure for the water bucket and a hub. The water bucket comprises water bucket blades and tenons arranged at the roots of the blades; the shape of the tenon is configured to be movably assembled with a mortise formed in a hub of the water turbine in a fit clearance mode. According to the structure, a movable assembly mode with a fit clearance can be realized, and the water bucket can generate limited displacement in a gradual change clearance under different jet flow impact load conditions, so that the original traditional rigid connection is changed into flexible movable connection. The water bucket can be reliably connected with the hub without depending on welding or bolt fixing, and the common problem that in an original mode, a water head and a hub welding seam are prone to breakage under high-strength water impact force is solved.

The filtering machine comprises a rack, a water conservancy pipeline is arranged at the rear end of the rack, filtering structures are correspondingly arranged at the front end of the rack, a driving structure capable of rotating is arranged at the front end of the rack, the driving structure is located at the upper end of the water conservancy pipeline, and the filtering structures are circumferentially arranged on the driving structure at intervals; a garbage detection structure is elastically and slidably connected in the filtering structure towards the water conservancy pipeline, touch control structures are arranged at the rear end, corresponding to the garbage detection structure, of the water conservancy pipeline at intervals, and the touch control structures are electrically connected to the driving structure; when garbage in the garbage detection structure is increased, the garbage detection structure slides towards one side of the water conservancy pipeline and abuts against the touch control structure. The filter is additionally arranged on the water body and water conservancy equipment support, and the damage of water body impurities to water conservancy equipment is effectively relieved.

The invention discloses a design method, system and equipment of a mass concrete structure water cooling system, and belongs to the technical field of concrete structure design. Aiming at the problems of large calculation amount, long time consumption and multiple trial calculation times in the design of the existing mass concrete structure water cooling system, the method comprises the following steps: establishing a concrete structure surface temperature field model by combining a heat conduction theory, a hydration heat model and a cooling water pipe heat absorption effect; based on the principle of energy conservation, under the boundary condition, an energy time-history change model of the concrete structure at each moment and an internal temperature model of the concrete structure in the temperature rise stage are established, the length of a cooling water pipe is determined, and the cooling water pipe is arranged; and finally determining the cooling rate and the cooling water flow rate of the concrete structure in the cooling stage to complete the design of the concrete structure water cooling system. According to the method, excessive finite element trial calculation can be avoided, the design efficiency is improved, the construction risk is reduced, and the quality and durability of the concrete structure are ensured.

The utility model provides a self-adaptive water floating bridge, and relates to the technical field of water floating bridges, the self-adaptive water floating bridge comprises a water floating bridge structure and a shoreside approach bridge structure, the water floating bridge structure comprises a water floating bridge, a carriage, a slide rail and a pulley; the shoreside approach bridge structure comprises a sliding approach bridge, large roller components are arranged at two corners of one end of the sliding approach bridge, each large roller component comprises a wheel, one side of each of two ends of each wheel is in rolling connection with a connecting arm, the top of each wheel is connected with an erecting seat through a shaft, and a first bearing is in interference fit with the interior of one end of each erecting seat; according to the technical scheme, a connecting arm on a large roller component extends to the inner side of a sliding rail fixed to a concrete ladder stand through an embedded steel part, the sliding rail, a sliding frame and a pulley are arranged at the two ends of the underwater floating bridge and between the two sliding approach bridges, and when the sliding approach bridges and the underwater floating bridge move along with lifting of the water level, the large roller component can move along with the sliding approach bridges. The two sliding approach bridges are controlled to be close to or far away from each other to automatically adapt to the river width without manual operation.

The invention discloses an unmanned ship lake and reservoir vertical stratified sampling and in-situ water quality monitoring device and method. The unmanned ship lake and reservoir vertical stratified sampling and in-situ water quality monitoring device comprises an unmanned ship platform, a reducing guide rod structure and a water sample in-situ collecting and monitoring device. The advantages of light weight, hardening, easy combination and the like of the variable-diameter guide rod are exerted, and the problems that a traditional soft rope is easy to swing, and a drift-diameter hard rod is large in size, insufficient in strength and the like are solved; aiming at the problems of easy breaking of a through rod, deviation of a monitoring point and the like caused by lake flow disturbance and the like in the traditional operation, a determination method of key parameters such as the number of segmented guide rod sections, a diameter critical threshold value and the diameter of the guide rod is determined by combining with the vertical flow velocity of the lake and the reservoir, and a basis is provided for stable and accurate operation; aiming at the problems of easy mixing (mixing with water samples in different layers and mixing with air in a bottle) and the like in traditional lake and reservoir vertical water sample in-situ collection, the invention provides a water sample layering in-situ collection device and method, anaerobic collection is realized through a double-pipe reverse replacement system, a method for determining the length difference delta L of an exhaust pipe and a water inlet pipe is defined, and equipment parameter support is provided for efficient and reliable collection.

The invention provides a method for planting spring corn in a dry sloping field, and belongs to the technical field of agriculture. According to the technical system, through a three-level combination scheme of structural water storage, process regulation and control and systematic rotation, the transformation of dry-farming corn production from passive drought resistance to active water transfer is realized. Compared with a traditional mode, ineffective rainfall is converted into water available for root systems through deep scarification water storage and furrow rainwater collection; the resource waste is reduced by dynamic supplementary irrigation and slow-release fertilization, and a'small-amount and multiple-time 'supply rule of the semi-arid region is met; the crop rotation system remarkably improves the system stability through leguminous crop nitrogen fixation and corn high-light-effect complementation. According to the embodiment of the invention, the technical system provided by the invention realizes the breakthrough of 689.36 kg / mu of spring corn yield and 2.38 kg / m < 3 > of water utilization efficiency in the loess plateau semi-arid region, and provides a reproducible technical normal form for the arid region with annual rainfall of 400-500mm.

The invention discloses a secondary water supply pump station remote operation and maintenance method and system based on the Internet of Things, relates to the technical field of resource management, and realizes accurate identification of'micro water hammer 'implicit disturbance by collecting water supply related data, constructing a disturbance residual factor Dk, judging a water supply state and obtaining a dislocation characteristic index. The problem of missed judgment of short-time and low-amplitude dislocation behaviors in a traditional method is solved, periodic risk fluctuation is quantified through autocorrelation analysis of a time interval sequence, finally, an adjustment strategy is generated in real time in combination with a disturbance countermeasure library and is issued to a main control system, closed-loop control and self-adaptive correction of structural water hammer risks are achieved, and the accuracy of the structural water hammer risk is improved. And the steady-state operation capability of the secondary water supply pump station is effectively improved.

The utility model relates to the technical field of water quality detection equipment, and particularly discloses a portable water quality detection device which comprises a storage structure, a water quality detector and an ultrasonic cleaning instrument, a first groove body, a second groove body, a third groove body and a fourth groove body are formed in the surface of the top of the storage structure, and a bottom groove matched with the bottom end of the water quality detector in an embedded mode is formed in the bottom of the first groove body. A frame groove for using the button function of the water quality detector is formed in the surface of the front end of the storage structure, and the frame groove is communicated with the first groove body. According to the technical scheme, the water quality detector, the detection probe, the ultrasonic cleaning instrument and the water body detection pipe can be contained and placed at the same time by arranging the multiple groove bodies in different shapes, so that the instruments can be conveniently and rapidly transferred, ultrasonic cleaning can be conducted before the detection probe is used for detecting a water body by arranging the ultrasonic cleaning instrument, and the water body detection efficiency is improved. The authenticity of water body detection data is ensured.

The invention relates to the technical field of concrete scabbling, aims to solve the problems of low scabbling efficiency, high labor intensity, difficulty in guaranteeing the scabbling quality, large dust and noise pollution and large construction risk when concrete scabbling is carried out manually or through a mechanical tool in the prior art, and provides a multifunctional intelligent monitoring concrete water-flushing scabbling robot. Comprising a main body, and a walking mechanism is installed at the bottom of the main body and used for driving the main body to advance; a water sump is arranged in the main body and is used for storing water; a first water pump is arranged in the water sump and is connected with a water pumping pipeline; a water-flushing scabbling arm is mounted on the front side of the main body, the water-flushing scabbling arm is of a hollow structure, one end of the water-flushing scabbling arm is communicated with the water pumping pipeline, and the other end of the water-flushing scabbling arm is connected with a pressure spray head; concrete is subjected to water-flushing scabbling through the water-flushing scabbling robot, so that the scabbling efficiency is improved, the labor intensity of workers is reduced, dust and noise pollution is reduced, and the construction risk is reduced.

The invention discloses a water cooling plate with a micro-channel structure. The water cooling plate comprises a cover plate and a channel cavity plate, a cavity is formed in the runner cavity plate; inner partition plates for dividing the cavity into a plurality of heat exchange cavities are arranged in the cavity, and a confluence opening is formed in each inner partition plate; a flow guide block is arranged in each heat exchange cavity; the left side and the right side of the flow guide block in each heat exchange cavity are each provided with a heat exchange mechanism, each heat exchange mechanism comprises two sets of heat exchange fins, a confluence channel is formed between the two sets of heat exchange fins of each heat exchange mechanism, and each set of heat exchange fins are provided with a plurality of flow guide gaps communicating the flow guide channels with the confluence channel. And the cover plates are two plate bodies which are respectively fixed on the upper surface and the lower surface of the runner cavity plate and cover the cavity. Cooling and heat exchange can be carried out on a plurality of power semiconductor devices at the same time, the flow channel structure adopts series-parallel-series-parallel... series, the temperature difference of the power semiconductor devices at the water inlet and the water outlet is prevented from being too large, the hidden danger of uneven flow distribution is reduced, the space utilization rate is high, the cooling efficiency is high, and cooling is rapid.

The invention discloses a wading rigid bridge cofferdam stability real-time monitoring method based on multi-source sensing, and belongs to the technical field of bridge construction safety monitoring. According to the method, a structure-hydrological multi-source sensor is arranged, and displacement, strain, scouring and water flow data are collected in real time through a cofferdam top receiver, a main rib fiber grating sensor, a base osmometer, a multi-beam depth finder and a current meter; and reversely correcting cofferdam material parameters based on a digital twinborn model, dynamically calculating an anti-sliding coefficient and an anti-overturning coefficient, predicting a deformation trend in combination with an LSTM neural network, and setting first-level early warning and second-level early warning. According to the method, the problems of lagging of traditional monitoring data, limitation of single-dimensional analysis and high false alarm rate of an empirical threshold are solved, short-time instability risk identification is realized, and the false alarm rate is reduced at the flow velocity gt; accurate monitoring is kept in a 3m / s torrent environment, and the safety of deepwater construction is remarkably improved.

The utility model discloses a hydrostatic pressure distribution diagram demonstration device, which relates to the field of hydrostatic pressure demonstration and comprises a water tank structure, a demonstration structure is fixedly connected to the outer side of the water tank structure, the water tank structure comprises a water tank main body, the inside of the water tank main body is hollow, and a movable plate is in threaded connection with the top end of the water tank main body and comprises a sealing upper cover. According to the hydrostatic pressure distribution diagram demonstration device provided by the utility model, a water body in the water tank structure can be conducted into the demonstration structure by the demonstration device, and a plurality of groups of floating balls with different heights are arranged in the demonstration structure, so that the demonstration effect of the hydrostatic pressure distribution diagram is improved. The device can clearly demonstrate the distribution condition of the hydrostatic pressure at different water levels, is simple in structure, is easy to operate, facilitates the direct display of the hydrostatic pressure during classroom demonstration, and can directly indicate the increase of the pressure according to a linear rule along with the increase of the depth through the observation of the position of the floating ball.

The invention relates to a wing-shaped structure hydrodynamic noise control device with a heated internal wall surface and a porous medium coated outside, and belongs to the field of ship vibration noise control. The device comprises a wing-shaped structure trailing edge, a heat insulation layer, a heat preservation layer, a first electric heating piece, a first temperature sensor, a second temperature sensor, a second electric heating piece, a third temperature sensor, a fourth temperature sensor, a first outer covering porous medium, a second outer covering porous medium, a third outer covering porous medium, an electric heating piece controller and a first fixing bolt. A second fixing bolt, a third fixing bolt and a fourth fixing bolt. According to the characteristic that the control effect of wall surface heating and the porous medium is mainly influenced by viscosity, a combined control device of internal wall surface heating and outer coating of the porous medium is provided, and hydrodynamic noise generated by flow separation of the trailing edge of the airfoil structure can be remarkably reduced.

The invention provides a faucet and a waterway structure thereof, the waterway structure is suitable for being arranged outside a faucet body, and the waterway structure comprises a valve seat, a water inlet pipe group, a water outlet pipe and an electromagnetic valve; the valve seat comprises a water inlet, a water outlet and an installation opening, the water inlet pipe set comprises a first water inlet pipe, a second water inlet pipe and a water inlet connector, the first water inlet pipe and the second water inlet pipe are connected to the water inlet connector, and the water inlet connector is detachably connected to the water inlet in an inserted mode. One end of the water outlet pipe is detachably inserted into the water outlet, and the electromagnetic valve is connected to the mounting opening; a first water inlet channel and a second water inlet channel are formed among the valve seat, the water inlet connector and the water outlet pipe, the first water inlet channel is sequentially communicated with the first water inlet pipe, the electromagnetic valve and the water outlet pipe, and the second water inlet channel is communicated with the second water inlet pipe and the water outlet pipe. And the electromagnetic valve is used for controlling the on-off of the first water inlet path. By applying the technical scheme, the effect of convenient and fast installation can be achieved.

The invention discloses a fabricated concrete self-stabilization pond dam and a construction method thereof, and belongs to the technical field of water conservancy projects. The pond dam plane is in a biaxial symmetry pattern and is composed of prefabricated reinforced concrete members, inhaul cables and a hydraulic membrane. The prefabricated reinforced concrete member comprises a buttress, a baffle and a raft, the side vertical face of the buttress is a right triangle, and a bolt inserting hole is formed in the hypotenuse of the buttress; the baffles are connected with the buttresses through the plug pins to form an inclined inner dam face, the buttresses are reinforced through the supporting rods and the diagonal bracings, and the raft serves as an expanded foundation of the buttresses. The stay cables are connected with the buttresses at the symmetrical positions to form a mutually-balanced opposite-pull structure. A water conveying pipe, a mud discharging pipe and a water discharging pipe are arranged at the bottom of the water conservancy project film, and a spillway is arranged outside the water conservancy project film. Through modular assembly and self-stabilization design, rapid construction, high anti-sliding and anti-overturning stability and adaptation to complex geological conditions are achieved, earthwork filling engineering is basically omitted, the engineering amount of the hollow dam body structure is reduced by 60%, the comprehensive cost is reduced by 40%-50%, the construction period is shortened by 60% or above, and the detachable and ecological-friendly hollow dam body structure has detachability and ecological friendliness.

In embodiments, the present disclosure is directed to cementitious materials and structures made therefrom. The cementitious materials may comprise precipitated calcium carbonate, such as one derived from an organic source. In embodiments, the present disclosure relates to submerged concrete structures comprising the cementitious material previously described.

The utility model relates to the technical field of air conditioners, in particular to a cold storage water pool for an air conditioning system and the air conditioning system. The cold storage water pool for the air conditioning system comprises a water pool body and two water distribution assemblies, the water pool body is of a hollow closed structure, a containing cavity used for containing liquid is formed in the water pool body, and the two water distribution assemblies are arranged at the inner top and the inner bottom of the water pool body correspondingly; each group of water distribution components comprises a plurality of water distribution points, the maximum circular coverage surface formed by water outlet of any water distribution point is a radiation surface, the radiation surface of any water distribution point has two radiation surfaces which are externally tangent to each other and externally tangent to the radiation surface, and the distances between every two water distribution points corresponding to the three radiation surfaces are equal. By means of the arrangement, the water distribution coverage rate of the water distribution assembly can be increased, the water distribution uniformity is obviously improved, and therefore the cold storage efficiency of the cold storage water pool is improved.

A faucet structure comprises a faucet body, a valve element, a water outlet pipe and a shell. The water outlet pipe comprises a diversion port and a diversion pipe; the diversion port is connected with one end of the diversion pipe in the length direction; the valve core is assembled and connected with the other end of the guide pipe in the length direction; the valve element is used for controlling on-off of water flow of the faucet structure. The faucet body comprises a first limiting part which is located at one end of the faucet body in the length direction, and the valve element is clamped to the first limiting part. The shell comprises at least one cavity, and the faucet body is arranged in the cavity and connected with the shell in a clamped mode. The shell further comprises at least one water outlet, the position of the water outlet in the shell is matched with the length of the flow guide pipe, and the flow guide opening is connected with the water outlet in a clamped mode. By designing the assembly relation, the assembly process of all parts of the faucet structure is simplified, meanwhile, it is guaranteed that the overall structure is compact and reasonable, and the stability of the whole faucet structure is guaranteed; and meanwhile, rigid connection modes such as welding are avoided, and the assembly quality and the maintenance convenience are improved.

The utility model relates to the field of containers, in particular to a dry-cold container with a water curtain wall type heat exchanger. The dry-cold container comprises a container body, which comprises a top beam frame, a bottom beam frame arranged opposite to the top beam frame, and a stand column connected with the top beam frame and the bottom beam frame; the dry cooler installation structure comprises an upper support installed on the top beam frame, a lower support installed on the bottom beam frame and a side support arranged between the top beam frame and the bottom beam frame, and a fan installation structure is further installed on the top beam frame. The water curtain installation structure comprises upper supports installed on the two sides of the top beam frame and lower supports installed on the two sides of the bottom beam frame. According to the dry-cold container with the water curtain wall type heat exchanger, the water curtain installation structures are arranged on the two sides of the container, the length of the container can be prevented from being increased, and the occupied space of the container in the length direction is reduced.

The utility model discloses a photovoltaic power station and a water tank installation structure thereof, the water tank installation structure comprises an installation beam, a water tank vertically crossed with the installation beam and fixed on the installation beam, a photovoltaic assembly installed above the water tank, and an intermediate member connected with the water tank through a fastener. And the middle component is fixed with the frame of the photovoltaic module through a lock catch. The frame and the middle component are locked and fixed in a mode of pressing the frame of the component, the operation surface is arranged above the water tank, and compared with a mode of fixing the component above or below the component by screwing bolts, the construction is more convenient and safer.

The invention provides water conservancy river channel trash holding and flood prevention equipment. A dam is provided with a water retaining structure, the water retaining structure is provided with a trash holding structure, the side face of the dam is provided with a driving structure, the side face of the water retaining structure is provided with a locking structure, the driving structure corresponds to the water retaining structure, and the locking structure corresponds to the dam; the cleaning structure corresponds to the trash holding structure, a sliding structure is arranged on the water retaining structure, the sliding structure corresponds to the cleaning structure, a collecting structure is arranged on the side face of the dam, and the collecting structure corresponds to the cleaning structure. According to the water conservancy river channel trash holding and flood prevention equipment, the trash holding structure is installed on the water retaining structure, water retaining can be conducted through the water retaining structure in the flood season, trash can be intercepted, the height of the water retaining structure can be adjusted up and down, and therefore adjustment can be conducted according to the flood situation, and the water level height can be adjusted according to needs; and the effect of intercepting garbage at different water levels is ensured.

The utility model discloses a permanent underground water drainage plugging anti-seepage structure which comprises a drainage pipe, a drainage pipe, a first sealing plate, a first water stop ring and a water pump. The bottom of the drainage pipe is in sealed connection with the first sealing plate, the drainage pipe is pre-buried in the bottom plate and the permeable layer below the bottom plate, the top surface of the drainage pipe is flush with the top surface of the bottom plate, and the bottom surface of the drainage pipe is flush with the bottom surface of the permeable layer; one end of each drainage pipe is communicated with the drainage pipe, and the drainage pipes are all arranged in the permeable layer, so that the permeable layer is communicated with the drainage pipe through the drainage pipes; the first water stop ring is circumferentially arranged on the outer wall of the drainage pipe in a surrounding mode and located above the drainage pipe, so that the drainage pipe and the bottom plate are connected into a permanent integrated structure in a sealed mode through the first water stop ring, and the water pump is arranged in the drainage pipe. The utility model relates to the technical field of underground engineering, and can solve the problems of long construction time, more working procedures and high cost of a drainage mode in underground structure construction in the prior art.

The post-pressing multi-gear self-locking type water gun comprises a gun body and a water spraying head, a main channel is formed in the gun body, the gun body is slidably connected with a pull rod, the rear end of the pull rod is movably connected with a pressing handle, and a flow adjusting valve structure is arranged on the pull rod; the water gun further comprises a multi-gear self-locking structure for selectively locking the pull rod at any one of a plurality of different preset axial positions, the multi-gear self-locking structure comprises a guide seat, the pull rod is connected with a guide piece, and the guide seat is provided with a guide path groove for the guide piece to move; the guide path groove comprises at least two axial sections and spiral sections which are arranged at intervals and are sequentially connected end to end; the spiral section is provided with a plurality of locking teeth used for locking the guiding piece at a preset axial position. And the guide piece moves along the guide path groove and is matched with the locking teeth, so that switching and self-locking of the pull rod among a plurality of preset axial positions are realized. The multi-gear self-locking valve has the advantages of being convenient to operate, simple in appearance, capable of achieving multi-gear water outlet flow adjustment and reliable in self-locking.

The utility model discloses a water tray base assembly of an air handling unit, which is characterized in that a sealing plate is arranged in a base frame, a water tray is arranged above a base, and an inserting section is arranged at the upper part of the water tray; a connecting piece is arranged on the periphery of the water disc, a heat preservation and insulation bin is arranged on the connecting piece, and an inserting groove and a water disc cushion block are arranged below the heat preservation and insulation bin. The plug-in groove is used for being matched with the plug-in section in a plug-in manner; a heat insulation layer is filled between the water disc and the sealing plate. The base frame and the sealing plate serve as an outer side enclosure structure, the water pond serves as an inner side enclosure structure, an interlayer is formed through the connecting pieces and filled with the polyurethane foaming material heat preservation material, the heat preservation effect of the water pond is achieved, and the water pond and the base frame are filled into an integral assembly through expansion of the foaming material. The existence of each corner gap is avoided; the supporting piece is pressed on the turnup of the water disc, fixing holes are formed in the two ends to be fixed with the connecting piece, and components such as a heat exchanger and a fan of the unit can be fixed on the supporting piece, prevented from being soaked in water and more durable.

The invention discloses a surface cleaning equipment base station and a surface cleaning system.The base station comprises a stopping position used for supporting and being in butt joint with surface cleaning equipment, a water storage groove, a first water supplementing port, a second water supplementing port and a water supplementing pipeline, one end of the water supplementing pipeline communicates with the first water supplementing port, and the other end of the water supplementing pipeline communicates with the second water supplementing port; when the surface cleaning equipment is located at the stopping position, a host clear water tank of the surface cleaning equipment is communicated with a second water supplementing port of the base station; the main machine clear water tank, the water supplementing pipeline and the water storage groove can communicate with one another to form a communicating vessel structure, and a water source can supplement water to the main machine clear water tank sequentially through the first water supplementing port, the water supplementing pipeline and the second water supplementing port. According to the base station, the water storage groove is formed in the base station, the water storage groove and the host clear water tank located at the stop position can form a communicating vessel structure, under the action of gravity, water of the water source can automatically flow to the host clear water tank, and unpowered water supplementing is achieved.

The utility model discloses a water purifying device and a water pressure slowing structure thereof, the water pressure slowing structure comprises a shell and a buffering piece, an installation cavity is arranged in the shell, the shell is provided with a water inlet and a water outlet, and the installation cavity is respectively communicated with the water inlet and the water outlet; the buffer part is movably arranged in the mounting cavity and is used for buffering water pressure; wherein in the axial direction of the shell, the buffer piece and the shell are oppositely arranged in a spaced mode, and in the radial direction of the shell, the buffer piece and the shell are oppositely arranged in a spaced mode. Compared with the prior art, the buffer piece and the shell are arranged in a spaced mode, so that the space for the buffer piece to move is provided, and when water flow enters the installation cavity, the buffer piece has a blocking effect on the water flow, so that the water flow with the too high flow speed is relieved, and the water pressure and impact force of the water flow are reduced. According to the water purifying device adopting the device, noise generated during working can be reduced, vibration caused by water pressure is reduced, and the stability of the connecting position of the water outlet structure is maintained.