117 results about "Water capacity" patented technology

The invention discloses a cold region hydrological process simulation method based on a dynamic soil water storage capacity parameter. A static soil water storage capacity parameter Smax in an RCC-WBM model is replaced with a dynamic soil water storage capacity parameter DSmaxi related to temperature. The cold region hydrological process simulation method based on the dynamic soil water storage capacity parameters is provided on the basis of an RCCC-WBM model and a physical mechanism that air temperature changes affect the cold region soil water storage capacity parameters, and the cold region runoff process under frozen soil changes can be simulated more objectively and accurately; by utilizing the method, the change of the soil water storage capacity under the frozen soil change can be quantified, and the environmental influence evaluation work of climate change is effectively supported; by means of the method, the runoff trend of the cold region can be well simulated, and drainage basin water resource evaluation and planning management work is effectively supported.

The invention relates to the technical field of water conservancy monitoring, and provides an intelligent water conservancy monitoring method for an irrigation area and related equipment thereof. Water body boundary extraction is carried out on remote sensing image data to obtain an initial water body boundary data set, time sequence interpolation processing is carried out on the initial water body boundary data set to obtain a water body change trend data set, and soil moisture content prediction deduction is carried out according to a satellite cloud picture and the water body change trend data set to generate a soil moisture content prediction data set. Performing water level and area fitting on the regional DEM according to the water body change trend data set to construct a water storage capacity model, and performing crop water demand calculation according to regional data and crop data to obtain a crop water demand matrix data set; and performing constrained programming according to the soil moisture content prediction data set, the crop water demand matrix data set and the water storage capacity model to obtain a multi-target irrigation scheduling decision set. According to the application, dynamic balance between irrigation requirements and water resource supply is realized through multi-level and multi-source data fusion and intelligent scheduling.

The invention provides a hydraulic engineering water level monitoring method and system based on artificial intelligence. Meteorological parameters and soil humidity parameters of a cross-basin reservoir group and water level measurement parameters generated by magnetic levitation displacement induction are obtained, dynamic change rules of the parameters are analyzed, and a correlation strength coefficient reflecting the hydraulic interaction between reservoirs is calculated. And the coefficient and a water level measurement parameter are jointly coded, and a cross-reservoir dynamic association map is constructed. And synchronously acquiring real-time water level signals of each reservoir, matching the real-time water level signals with a preset fluctuation feature library, and identifying a water level abnormal interval related to the water flow path node. And in combination with a mapping relationship between the dynamic association map and the abnormal fluctuation interval, determining a water level imbalance risk level, and generating regulation and control instructions including flood discharge path optimization and water storage capacity adjustment according to the water level imbalance risk level. According to the technical scheme, the water level monitoring efficiency and accuracy of the water conservancy project can be improved.

The invention discloses a snow melting liquid water outflow calculation method and device and a storage medium, and the method comprises the steps: obtaining DEM data, satellite rainfall and air temperature data of a drainage basin, taking each grid unit of the DEM as a calculation unit, and calculating the probability that the rainfall form is snowfall and the average density of a snow layer according to the air temperature of a current time period; iteratively calculating the snow depths of each grid unit at the beginning and the end of a time period and the amount of meltable snow in the time period according to the initial snow depth obtained by satellite remote sensing and in combination with the air temperature and rainfall data of the current time period; and determining the water storage capacity of the snow layer reservoir at the beginning of the time period of each grid unit based on iterative operation, and calculating the water storage capacity of the snow layer reservoir at the end of the time period. According to the method, the regulation and storage effect of the snow layer on the snow melting liquid water is reflected by constructing the snow layer reservoir, refined simulation of the outflow process of the snow melting liquid water on the aspects of time and space is achieved, and runoff forecasting of the alpine region is effectively achieved.

An apparatus for humidifying a flow of pressurised, breathable air includes varying a first pressure of the flow of breathable gas to vary a level of thermal engagement between the conductive portion of the reservoir and the heater plate, varying a height of the variable portion varies a level of thermal engagement between the conductive portion of the reservoir and the heater plate, use of a humidifier reservoir base component with a maximum water capacity substantially equal to the predetermined maximum volume of water of the humidifier reservoir or the use of intersecting inlet and outlet axes.

A customized drinking water apparatus according to one preferred embodiment of the present invention is characterized by comprising: a display including a basic mode, providing a user with a water selection interface for selecting the type of water and a water volume selection interface for selecting the amount of water to be dispensed, and a selection mode, providing the user with an interface capable of generating at least one customized button, wherein each of the at least one customized button displays information about the type of water selected by the user and the amount of water to be dispensed selected by the user, and when the user generates the at least one customized button, the generated customized button is displayed; and a control unit for controlling a water dispensing unit to dispense water through the basic mode or the selection mode.

The invention discloses an algae removal control method and system for a cooling water system of a cooling unit, and the method comprises the steps: calculating a reference dosing duration according to the total water capacity of the system, a preset target agent concentration and the dosing rate of dosing equipment; the actual load, the cooling water temperature and the environment temperature of the cooling unit are collected in real time; according to the actual load and the cooling water temperature, whether the dosing condition is met currently is judged; and after it is judged that the dosing conditions are met, based on a pre-constructed calculation model, the corrected dosing duration under the current working condition is obtained through calculation with the reference dosing duration, the actual load rate of the cooling unit, the temperature correction coefficient corresponding to the cooling water temperature degree and the environment correction coefficient corresponding to the environment temperature as calculation parameters. According to the method, a multi-parameter coupling calculation mode is adopted, so that the corrected dosing duration can closely follow the fluctuation of actual working conditions, the stability of the algae removal effect is ensured, and biological slime adhesion and heat exchange efficiency reduction caused by insufficient chemicals are effectively prevented.

A device for cleaning a mop comprises an outer barrel, a water pump, a large cavity, and a small cavity. The large cavity and the small cavity are used to store liquid, and the water capacity of the large cavity is greater than that of the small cavity. The large cavity and the small cavity are connected, and a valve is provided between the large cavity and the small cavity to control the opening / closing of the large cavity and the small cavity. The water pump is connected to the small cavity to draw water from the small cavity. A support body for a mop head that contacts the mop is provided in the outer barrel. When cleaning the mop, the support body supports the mop head, the valve is controlled to close the water flow path between the large cavity and the small cavity, and the water pump draws water from the small cavity and transports it to the mop for cleaning. After the water in the small cavity is used up, the mop rotates centrifugally to dehydrate, and the dehydrated water is stored in the outer barrel.

The utility model relates to an outdoor unit which comprises a water storage device. The case defines an accommodating space for accommodating the water storage device, and at least one corner space is arranged in the accommodating space and on the periphery of the water storage device; the heat recovery heat exchanger extends in the corner space in the axial direction of the water storage device. According to the outdoor unit, at least part of the heat recovery heat exchanger is installed in at least one corner space of the containing space of the machine box and extends in the axial direction of the water storage device, so that the hot water capacity can be improved by selecting the large-size water storage device, or the size of the water storage device is set to be smaller under the condition that the same water volume is guaranteed; on the other hand, corner space is fully utilized, and the size of the outdoor unit can be prevented from being increased.

The utility model relates to the technical field of vertical hinged door, especially a sunken drainage structure of outside opening door, including lower frame, the lower frame includes indoor section bar and outdoor section bar, its characterized in that: the outdoor surface of outdoor section bar is provided with water storage frame, the bottom of water storage frame outdoor surface is provided with water outlet, the indoor surface of outdoor section bar is equipped with the drainage cavity that communicates in water storage frame, the bottom surface of drainage cavity is higher than the bottom surface of water storage frame, the top of outdoor section bar is equipped with the water inlet hole that communicates in drainage cavity, the indoor section bar and outdoor section bar are provided with the waterproof cavity, through setting up water storage frame at outdoor end and expanding water storage capacity, can temporarily store rainwater, and the rainwater collected by lower frame flows into water storage frame through drainage cavity, and is discharged outdoor through the water outlet of water storage frame, prevents rainwater from entering the house.

The utility model relates to the technical field of irrigation and water conservancy diversion, and discloses an irrigation and water conservancy diversion device which comprises a water channel and a plurality of partition plates fixedly installed on the water channel, and under the cooperation of a limiting column, a second U-shaped support, a penetrating rod, a jacking panel, a connecting panel, a limiting column and a baffle, the baffle moves upwards along a water outlet hole. At the moment, gaps are formed between the baffles and the water outlet holes, a water source can flow into the corresponding ploughing field through the gaps, when crops in the corresponding land are irrigated, an operator only needs to find the corresponding baffles and then pull the corresponding limiting columns upwards, the limiting columns drive the connecting panels, meanwhile, the springs are stretched, and the connecting panels are driven to rotate. And after the baffle moves to a proper position, the corresponding inserting rod can be inserted into the corresponding limiting hole, the limiting column can be limited, the gap between the baffle and the water outlet hole can be adjusted at will, the water capacity can be increased according to the requirements of crops in a farmland, and operation is convenient and fast.

The utility model relates to the technical field of scrubber accessories, in particular to an integrated scrubber water tank which comprises a right tank body and a left tank body which are symmetrically arranged, the right tank body and the left tank body are connected through a bolt at the joint, and a diaphragm capable of automatically changing the size of the internal space according to the water capacity is clamped in the joint; the top of the left box body is connected with a sewage pipe, and a filtering assembly inserted into the inner side of the left box body is arranged below the sewage pipe; according to the integrated scrubber water tank, the middle of the water tank is blocked by the polyurethane soft film, when the water tank is full of clean water, the soft film deviates to one side, the volume of the clean water is automatically increased, when the scrubber works, the clean water is less and more, sewage is more and more, the soft film moves towards the clean water under the action of gravity, and the volume of the sewage is automatically increased; the purpose that one water tank can contain clear water and sewage at the same time is achieved, the cost of the water tank is reduced to half of the original cost, the mass is lighter, the overall power consumption is lower, and equipment is more environmentally friendly.

We provide an eye pillow that can be positioned to cover a person's eyes and keep the eye area warm for an extended period of time. [Solution] An eye pillow 1 having a bag-shaped main body 10 containing water inside, positioned to cover a person's eyes, wherein the amount of water relative to the maximum water capacity of the main body 10 is in the range of 40% to 60%, and the thermal conductivity of the constituent material that makes up the part of the main body 10 that comes into contact with the area around the person's eyes is 1.0 × 10 -5 cal / cm s℃~1.0×10 -3 It is within the range of cal / cm s℃.

The invention discloses a composite dimming skylight glass assembly, and relates to the technical field of automobile sunroofs, the composite dimming skylight glass assembly comprises a skylight bottom frame and a driving mechanism body, the skylight bottom frame is internally provided with a track assembly and a plugging assembly, and the top of the track assembly is provided with a glass frame body. When the device is used, along with water rising, the floating strip pushes the top plate to move upwards, the gravity ball is jacked upwards, one side of the rotating plate is jacked upwards, the other side of the rotating plate is forced to rotate downwards, the hook-shaped plate is pushed to move downwards, transverse thrust is generated on the fixed plate, and the sealing block is pulled out of the expansion hole. At the moment, water on the two sides enters the sliding rail body, equivalently, a temporary water storage area is increased, the water capacity of the two sides in the skylight bottom frame is improved, and direct overflow caused by too large instant water is avoided. In addition, water is discharged through the water guide plate and the water outlet pipe, drainage paths are expanded, drainage pressure of a single channel is reduced, drainage speed is increased, and water overflow risk is reduced.

This invention discloses a rotatable three-chamber liquid storage and diversion washbasin device, belonging to the technical field of bathroom water-saving equipment. The device consists of a supporting base column and an upper assembly. The bottom of the supporting base column is hollowed out, allowing for the free installation of expansion components. A buried water pipe is installed in the center, and a cement counterweight can be poured into the outer rotating shaft cavity of the water pipe to achieve stable installation without exposed pipelines. The upper assembly adopts a symmetrical structure, allowing for bidirectional assembly and rotation relative to the base column for switching functions. Internally, it has three independent chambers: a low-temperature water storage chamber, a clean water storage tank, and a wastewater collection tank, enabling circulating water and achieving passive, natural low-temperature water storage. It also features an isolated storage drawer for low-temperature storage. The device is equipped with a triple one-way valve forming an anti-backflow system, effectively preventing water backflow pollution and clean water overflow waste. The wastewater collection tank has a micro-water replenishment port, enabling unattended pipeline moisturizing and automatic liquid replenishment. It also has a dual-mode switching function for conventional water collection and clean water expansion, allowing for flexible adjustment of the water storage capacity. The external inspection port facilitates the maintenance of internal valves and pipelines. The overall structure is compact and has a high space utilization rate. It also features water and energy saving, flexible installation, strong expandability, and simple operation and maintenance. It can be widely used for integrated water-saving renovation of water-use spaces in hotel rooms, home kitchens and bathrooms, and small-sized water-use areas.

The utility model relates to the technical field of scrubbers, in particular to a modular combined large-capacity split scrubber water tank which comprises a main water tank and a branch water tank, a top water pipe is fixedly arranged at the top end of the main water tank, a bottom water pipe is fixedly arranged at the bottom end of the branch water tank, and the bottom water pipe is inserted into the top water pipe. The top ends of the main water tank and the branch water tanks are provided with padlock structures, the padlock structures are used for locking the communication state of the bottom water pipe and the top water pipe, each padlock structure comprises a padlock frame, the branch water tanks can be additionally arranged through the padlock structures, the main water tank and the branch water tanks are communicated through the padlock structures, and therefore water can flow; water in other water tanks can conveniently enter the main water tank for use, so that the water capacity can be enlarged, and the cleaning efficiency is improved.

The utility model provides a multifunctional high-pressure water pump turnover device, and belongs to the technical field of high-pressure water pumps. The shell cover I is arranged at one side end of the shell; the shell cover II is arranged at the other side end of the shell; the inner rotating core rotates in the shell; the circulating cavity and the communicating cavity are formed in the outer side wall in a penetrating mode, and the circulating cavity and the communicating cavity are perpendicularly crossed and communicate with each other; the two supporting rings are arranged on the inner side wall of the circulation cavity; guide columns penetrate through the tops of the two supporting rings. The disc is arranged at one end of the guide post; according to the reciprocating high-pressure pump, the inner rotating core is overturned by 180 degrees in the shell, the moving direction of the disc when the disc is pressed can be changed, overturning in the flowing direction of water flow is achieved, the reciprocating high-pressure pump has the two-way water pumping capacity, back flushing can be conducted in the follow-up using process, and the effects of pipeline unblocking and pipeline emptying are achieved.

This invention discloses a system and method for measuring parameters affecting the drainage capacity of a gas storage facility undergoing aquatic redevelopment, comprising: a core holder for holding experimental cores; a water injection device for saturating the experimental cores with the held formation water; an outlet backpressure and measurement device for gradually reducing the pressure at the core outlet to a specified exhaustion lower limit pressure; a gas injection device for gas-driven operation on the cores whose outlet pressure has reached the exhaustion lower limit pressure; an inlet backpressure and measurement device for first injecting gas into the core inlet and then gradually reducing the pressure at the core inlet to measure the gas production and water production at each pressure point during the pressure reduction process when the inlet pressure drops to the specified exhaustion lower limit pressure; and a data processing device for calculating the dynamic recovery degree and dynamic expansion characteristics based on the water production and gas production at each pressure point.

The utility model discloses a ceramic flowerpot with an anti-overflow function. The ceramic flowerpot comprises a flowerpot body, a bearing pot and a warning mechanism. According to the flowerpot, the bearing pot is arranged at the top end of the outer side of the flowerpot body, the bearing pot can be communicated with the top end in the flowerpot body through the through hole, redundant water in the flowerpot body can be moved into the bearing pot through the through hole, the water capacity of the flowerpot body can be improved, and a user can observe the specific height of the water level conveniently; water overflow caused by excessive watering can be avoided, fallen leaves of plants can be received through the receiving pot, pollution to the surrounding environment is avoided, one end of the outer side of the flowerpot body is connected with the warning mechanism, and the warning mechanism comprises an expansion base, a water inlet pipe, a floating pipe, a floating mechanism and other assemblies. Under mutual cooperation, the watering quantity can be controlled through the height of the floating mechanism in the floating pipe, excessive watering is avoided, and therefore the anti-overflow function is achieved, and high practicability is achieved.

The present invention discloses a method for evaluating the impact of long-term drought on the water storage capacity of a watershed based on an optimal probability combination. The present invention identifies the drought start time and drought duration of a long-term meteorological drought in a watershed, uses hydrological model parameters with certain physical meanings to characterize the water storage capacity of the watershed, proposes to deduce the time point and corresponding probability value at which the water storage capacity of the watershed is most likely to change based on the principle of optimal posterior probability combination, and uses multiple evaluation criteria to evaluate the credibility of the change in water storage capacity of the watershed, the significance of the change and the robustness of the result, identifies the time point at which the water storage capacity of the watershed changes, and thus deduce the response time of the water storage capacity of the watershed to the long-term meteorological drought. The method of the present invention is scientific and reasonable, close to engineering practice, and can provide an important and highly operable reference basis for meteorological drought impact assessment, watershed hydrological forecast, government disaster relief decision-making, etc. under future climate change conditions.

This invention discloses a biomimetic beaver dam structure for efficient flood control and water storage, belonging to the field of water conservancy engineering and disaster prevention technology. The structure mimics the tree-like interweaving and soil-filling mechanism of a beaver dam, achieving adaptive flood control, efficient water storage, and eco-friendliness. This invention achieves precise control of water storage performance through a water storage capacity calculation formula, making it suitable for small reservoirs, river management, flood control projects, and ecological restoration, solving the problems of high cost, ecological damage, and poor adaptability of traditional dams.

The utility model relates to the technical field of ultrapure water machines, in particular to a shunting ultrapure water machine which comprises a base, a machine body is mounted on the surface of the base, a control panel is arranged on one side of the machine body, a water outlet pipe is fixedly connected to the surface of the machine body, and a pipe orifice of the water outlet pipe is connected with two water storage tanks. The water pump in the machine body is opened through the control panel, then ultrapure water is conveyed into the water storage tanks through the water outlet pipe, the volume of the ultrapure water in the water storage tanks can be observed through the water volume line on the visual window, and meanwhile the two water storage tanks are communicated through the communicating pipe, so that the water levels in the two water storage tanks are flush, and the volumes of the ultrapure water in the two water storage tanks are the same. Then the water stop valve is rotated to close the communicating pipe, and then the water outlet faucet is opened, so that two cups of ultrapure water with the same capacity can be obtained through flow division, the tedious step that a worker needs to measure the capacity of the two cups of ultrapure water during working of a traditional ultrapure water machine is avoided, and the working efficiency is improved.

The invention discloses a rainwater collection and treatment device for municipal building water supply and drainage, and particularly relates to the technical field of rainwater collection and treatment, the rainwater collection and treatment device comprises a lower box body embedded in an underground space and flush with the ground, and the lower box body is internally provided with an upper box body which slides in a limiting mode in the vertical direction and adjusts the flow storage capacity in the lower box body. By arranging the treatment box capable of adjusting the water storage capacity and simultaneously driving the corresponding winding ropes through the four winding rods, synchronous winding traction of the four corners of the upper box body is achieved, the upper box body is driven to ascend and descend, during winding, the traction unit is pushed by the abutting piece in a reciprocating mode at the same time, and the abutting plate slides in the side plate after being pushed in an abutting mode; and the convex discs drive the winding rope connected with the convex discs to wind according to the moving path sequence, each convex disc triggers the corresponding abutting and pushing plate to slide once, the winding rope is evenly wound in a beat propelling mode, it is guaranteed that the winding rope is wound on the winding rod in order, posture unbalance, clamping or deviation during lifting is avoided, and the structure response consistency and the operation stability are improved.

The utility model relates to heating and ventilation equipment and a host machine, the host machine comprises a water storage device with a bottom end, and a mounting space is arranged below the bottom end; the sleeve heat exchanger is wound on the periphery of the water storage device; and the water pump is mounted in the mounting space and is connected between the water storage device and the double-pipe heat exchanger. According to the main machine, the double-pipe heat exchanger is arranged on the periphery of the water storage device in a winding mode, the water pump is installed in the installation space at the bottom end of the water storage device and connected between the water storage device and the double-pipe heat exchanger, and therefore occupation of the double-pipe heat exchanger on the bottom space of the water storage device is reduced, and the water storage device with the large size in the vertical direction can be selected; under the condition of high hot water capacity or the same water volume, the size of the water storage device is optimized, the overall layout of the host is optimized, and the miniaturization design of the host is facilitated.

The invention discloses an experimental device for simulating an open flow path of shallow gas, which comprises a reaction kettle, and five flow layers are sequentially arranged in the reaction kettle from top to bottom and respectively comprise a seawater layer, a covering layer, a shallow flow layer and an underlying layer; infrared cameras are arranged on the top and the outer side of the seawater layer; valves are respectively arranged on the side surfaces of the seawater layer, the covering layer and the underlying layer and are used for controlling the seawater capacity; a pressure-controllable closed air bag is arranged in the shallow flow layer and is connected with external air and a pressure gauge; a pilot hole is formed in the pressure-controllable closed air bag, and the condition that gas in the pressure-controllable closed air bag escapes from the pilot hole is observed and recorded through an infrared camera. The device integrating blowout and safety monitoring is formed, and theoretical support and data basis are provided for the design of a deepwater shallow gas active blowout scheme.

The invention discloses a seepage flow detection system, method and equipment for a vertical dam face crack of a dam, and the system comprises a seepage flow detection device which comprises a water collection tank, a water falling container, a water tank tipping bucket, a supporting steel structure and a fixing screw, the water collection tank is laid below the crack in a concave manner, and the water falling container is arranged below the water collection tank; the bottom of the water collecting tank is inclined and connected to the water falling container, one end of the supporting steel structure is fixed to the dam body through the fixing screws, the other end of the supporting steel structure is connected with the water tank tipping bucket, and the water tank tipping bucket is fixed below the water falling container. When the capacity of water collected by the water tank tipping bucket reaches the preset capacity, the water tank tipping bucket automatically turns over and dumps. Under the condition of low cost, an operator can be assisted in detecting the seepage flow of the dam crack, and the capital cost for repairing the crack is reduced.

The utility model discloses a large-capacity water tank fog gun machine, which comprises a water tank, a plurality of groups of spring telescopic rods are arranged at the water tank, the plurality of groups of spring telescopic rods are respectively connected with corresponding plate bodies, a plurality of groups of through holes are arranged at the water tank, the plurality of groups of plate bodies are all attached to the inner wall of the water tank, and the plurality of groups of through holes are respectively connected with the inner wall of the water tank. And a plurality of groups of convex blocks are connected to the plurality of groups of plate bodies. When the water tank is in threaded connection with the through opening, the water tank can drive the convex block to cancel the blocking of the plate body on the through opening, so that the water tank can be communicated with the water tank, the water storage capacity can be expanded, the water tank is placed at the top end of the water tank, only the height is increased, and the floor space is not occupied; in a long-time task to a certain extent, a single group or multiple groups of water tanks are mounted according to the actual task load, so that the water can meet the working requirements, the supply work is not needed, and the dust falling working efficiency can be ensured.

The utility model discloses a pressure control water mixing tank which comprises a base, the middle of the top face of the base is in threaded connection with a water mixing tank body, the upper surface of the water mixing tank body is connected with a quantifying mechanism in a penetrating mode, and an air inlet is formed in the top of the water mixing tank body. According to the pressure control water blending tank, through the arrangement of the quantifying mechanism, when water blending is conducted on the interior of the water blending tank body, materials are fed into the water blending tank body from the feeding opening, then a water pump is started, the water pump conveys a water source in a water tank into the water blending tank body through a circulating pipe, and a flow meter is installed at the tail end of the circulating pipe; the flow meter can detect the capacity of injected water in real time, when the water capacity reaches a preset value, a signal is transmitted to the PLC console on one side, and finally the PLC console controls the water pump to be closed, so that the effect of accurately controlling the capacity of the injected water source is achieved, and the situation that too much or too little water source is injected, and the quality of a final product is affected is avoided.

The utility model discloses a container breeds and ecological species and breeds intelligent combined system of paddy field, contains 1 container fish culture facilities and n piece paddy field, the outlet end of the drainage main pipe of container fish culture facilities is communicated with n piece paddy field respectively through corresponding number of water outlet branch pipe, and container breeds tail water is irrigated n piece paddy field according to need by valve control time. The combined system has coordinated container breeds tail water discharge and the water capacity of paddy field ecological species and breeds system fully, thereby realizes the efficient utilization of water resources and nutrient. Meanwhile, the paddy field ecological system also plays the role of purifying water quality, effectively absorbs and fixes the nitrogen and phosphorus nutrient in breeding tail water, avoids the environmental pollution caused by directly discharging breeding tail water, and realizes efficient, clean container aquaculture and paddy fish comprehensive species and breeds.

The invention provides a drainage control method and system for a hydrogen fuel cell system, a terminal and a medium. The method comprises the following steps: acquiring standard system parameters of the hydrogen fuel cell system; according to a preset water yield algorithm and standard system parameters, obtaining standard water yield generated by the hydrogen fuel cell system; according to a preset evaporation water quantity algorithm and standard system parameters, obtaining the evaporation water quantity of the hydrogen fuel cell system; obtaining standard water capacity according to the standard water yield and the evaporated water yield; and when the current operation water temperature of the hydrogen fuel cell system is lower than the preset standard operation water temperature, selecting a target drainage control strategy from preset selectable drainage control strategies based on the polarity side and the standard water capacity of the hydrogen fuel cell system, thereby performing drainage based on the target drainage control strategy. The drainage requirement of the hydrogen fuel cell system is met through dynamic cooperation, water logging is avoided, and the drainage reliability of the hydrogen fuel cell system is improved.