57results about How to "Avoid flooding" patented technology

The invention discloses a vehicular ad hoc network routing method based on road side units (RSUs), and belongs to the technical field of traffic intelligence. The vehicular ad hoc network routing method based on the RSUs includes the following steps: step one, the RSUs are placed on a crossroad in a city, all the RSUs are connected to a location server in a wired mode, the RSUs are responsible for collecting geographical location information of vehicles and sending the geographical location information to the location server for recording, and the location server manages all the location information of all the vehicles and traffic condition information of roads; step two, a vehicle A queries a routing path of a vehicle B to the location server, and the location server calculates a routing path for the vehicle A according to a weighted Dijkstra algorithm; and step three, after the vehicle A obtains the routing path, data are sent to the vehicle B through geographical forwarding along the routing path. The RSUs and the location server are utilized for collecting the geographical location information of the vehicles and providing the routing path, routing overhead and transmission delay are greatly reduced, the bandwidth usage efficiency of a vehicular ad hoc network is improved, and data grouping transmissibility is improved.

An embodiment of the invention relates to the technical field of internet and discloses a social interaction method and related equipment. The method includes that service equipment acquires a comment instruction specific to any released image and sent by any online image social client, and the released image is pushed to the image social clients in a specific range in advance by the service equipment; the comment instruction includes an identifier of the released image, the initial comment position and comment text; the service equipment judges whether or not comment user accounts of the image social clients belong to attention accounts of a release user account that the released image belongs to, and if yes, the service equipment superposes the comment text to the released image according to the initial comment position so as to acquire a comment image; the service equipment pushes the comment image to the image social clients in the specific range. By implementation of the method and equipment, stranger users can be effectively prevented from adding comments to the image, and flooding spread of the comments is avoided.

The invention relates to a dishware washer. Wherein, it uses water pump to adsorb the water stored in the water tank, to be fed to the washing chamber; while the water pump can be used to adsorb the water of water tank when there is no left; in the water pump (24) at the back of water tank (22), the motor axle (24) of motor (240) is vertical downward, whose bottom is mounted with blade wheel (242), around which a flat pump room (245) is arranged; said pump room (245) is all under the lowest part of the bottom (220a) of water tank (22); the adsorb inlet (246) at the bottom of pump room (245) is through to the adsorb tube (248) connected to the water tank (22) via the adsorb tube (247). In said invention, the water is filled into the pump room (245) fully, until there is no water left in the water tank (22).

The invention provides a drainage device for door and window frames. The drainage device mainbody is a hollow structure with an opening at the bottom; the side surface of the mainbody is provided witha drainage ditch that is provided with an opening and a drainage passage that face upwards; and the drainage passage of the drainage trough is communicated with the hollow interior of the drainage device mainbody. The mainbody hollow interior of the drainage device is also provided with a partition plate which is vertically hung on the top of the drainage device; and one surface of the bottom part of the partition plate, back to the drainage ditch, is an inclined surface that inclines towards the drainage ditch. Furthermore, the side surface of the mainbody of the drainage device also can beprovided with a buckling structure that is made of elastic material such as plastics or nylon PA66; during the installation process, the drainage device can be clamped at the corresponding opening ofthe window frame. The drainage device not only can effectively drain the accumulated water in a concave trough of the window frame, but also can prevent the problems of reverse pouring of accumulatedwater, splashing water, generating flute noise and the like caused by outdoor wind power; furthermore, the drainage device is extremely convenient to be installed on the door and window frames.

The invention discloses an MAC address keep-alive device and an MAC address keep-alive method for a convergence port. In an MAC address aging period, a subsystem which receives message sends MAC keep-alive message to a global convergence port MAC address management module; and the global convergence port MAC address management module sends the received MAC keep-alive message to all subsystems to keep the MAC address alive. The device and the method can keep the MAC address of the convergence port alive in the MAC address aging period, effectively avoid flooding of destination message on two-layer network equipment due to error deletion of the MAC address of the convergence port, and effectively save the occupancy rate of a network bandwidth.

The invention provides a control method for an air-conditioning system, and the air-conditioning system. The method comprises the following steps of after a closing instruction for an expansion valveof an indoor unit is received, controlling the expansion valve to run to reach a closed state; judging whether a heat exchanger of the indoor unit is in a running state or not; and when the heat exchanger is in the running state, judging that the closed state of the expansion valve is invalid, wherein the expansion valve has an opening degree which is not zero in the closed state. According to thecontrol method for the air-conditioning system, and the air-conditioning system, by judging the current state of the heat exchanger after the expansion valve runs to reach the closed state, whether the expansion valve is closed or not can be rapidly and effectively detected, and then the undesirable phenomena of liquid backflow, noise, frosting and water dripping, and the like caused due to thatthe expansion valve is not effectively closed are avoided, so that the reliability of the air-conditioning system is ensured.

The invention provides a flooding restraining method and apparatus. The flooding restraining method comprises the steps of receiving a VXLAN (Virtual Extensible Local Area Network) multicast message having a free ARP (Address Resolution Protocol) message identifier and carrying a free message; and generating public network ARP flooding restraining information based on the VXLAN multicast message, wherein a VXLAN identifier of the public network ARP flooding restraining information, an address of a source tunnel end point, an IP address of a terminal and an MAC address of the terminal correspond to a VXLAN identifier of the VXLAN multicast message, an outer layer IP address of the VXLAN multicast message, a transmitting end IP address of the free ARP message, and a transmitting end MAC address of the free ARP message respectively. Based on the method and the apparatus, an exchanger serving as a gathering point in a VXLAN generates the public network ARP flooding restraining information so as to restrain ARP message flooding in the VXLAN.

The invention provides a steam generator control method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining the current water amount in the steam generator in the current period and the evaporation rate corresponding to a current cooking menu; according to the current water amount and the evaporation rate, determining the evaporation duration needingto be replenished with water; controlling a water pump to replenish water for the steam generator according to the fact that the heating duration of the steam generator from the starting moment of thecurrent period to the current moment is larger than or equal to the evaporation duration. According to the method, the evaporation duration needing water replenishing is determined according to the current evaporation rate and water amount of the steam generator, the residual water amount in the steam generator during water replenishing can be mastered more accurately, the situation that the residual water quantity is too small, and consequently quick drying is caused is avoided, and it is guaranteed that the phenomenon of intermittent steam does not occur. In addition, the water replenishingduration of water replenishing of the water pump is dynamically adjusted, and on the premise that it is ensured that steam is relatively continuous and the phenomenon that steam is interrupted is avoided, the situation of water overflowing caused by excessive water pumping can be prevented.

The invention provides an ecological ornamental fish tank which is simple in structure and simple to operate, and solves the problem that an existing ecological ornamental fish tank is complex in water exchange and cleaning. The fish tank comprises a water box, a supporting bottom cabinet, auxiliary functional parts and a controller, wherein a filtering device is arranged in the bottom cabinet, the side portion of the water box is provided with three overflow pipes which include a water outlet pipe, a water inlet pipe and an anti-overflow pipe from inside to outside, the anti-overflow pipe is attached to the side wall of a tank body in an adhesive mode through a fixing edge vertical to the outer edge of the anti-overflow pipe, a spiral flow guide piece is disposed between the water outlet pipe and the water inlet pipe, the outer edge of the water outlet pipe is sleeved with the spiral flow guide piece, a submersible pump is arranged in the filtering device, the submersible pump is connected with the tail end of the water inlet pipe, the auxiliary functional parts comprise an illumination lamp, a temperature sensor, a control panel, an electric heating bar and an ultraviolet sterilization lamp, the control panel is provided with a temperature displayer and a parameter control key, control parameter data of the control panel are integrated on the controller, and the auxiliary functional parts are connected with functional modules corresponding to the controller through wires.

The invention discloses a data packet flooding suppression method, device and equipment, and a computer storage medium, and relates to the technical field of computers. Flooding of a data packet is suppressed, and the stability of a network is improved. The method is applied to physical nodes included in a virtual local area network. The virtual local area network comprises a plurality of physical nodes, and at least one virtual machine runs on each physical node. The method comprises the steps of intercepting a target data packet when the target data packet of a set type sent by a virtual machine running on a self physical node is monitored; if the target data packet is the data packet meeting a flooding suppression condition, determining whether the real-time rate of the intercepted data packet, meeting the flooding suppression condition, of the target virtual machine is greater than a set rate upper limit value or not, wherein the target virtual machine is a virtual machine corresponding to the target data packet; and if the real-time rate is greater than the rate upper limit value, discarding the target data packet.

The invention relates to an integrated oil-gas-water three-phase online flow measurement system which comprises an integrated three-phase flow meter, a site secondary instrument and an industrial control computer. The three-phase integrated flow meter includes a main pipe, a venturi device which is arranged on the main pipe and used for measuring the flow of the fluids in the main pipe, a conductivity measuring sensor which is arranged in the main pipe and used for calculating the gas phase fraction of the small gas bubble, the gas phase fractions of oil, gas and water, and the flow rate of the gas and liquid, a capacitance measuring sensor which is arranged in the main pipe and used for calculating the gas phase fractions of the big and small bubbles, the gas phase fractions of oil, gas and water, and the flow rate of gas and liquid and a Gamma densimeter which is arranged in the main pipe and used for calculating the density of the fluids. The integrated oil-gas-water three-phase online flow measurement system has the advantages of accurately measuring the water content of the condensate oil of the high-pressure condensate gas well, realizing the online monitoring of the oil gaswell and becoming more practical.

An evaporating dish assembly for refrigerator comprises an evaporating dish which is opened on the top and a heating pipe which is arranged in the evaporating dish, wherein the evaporating dish comprises a bottom wall and a lateral wall which extends upwards from the bottom wall, the heating pipe comprises a heating pipe main body which bends and extends and then forms a flat plate shape, and the heating pipe main body inclines upwards from the part near to the bottom wall. No matter how much water remains in the evaporating dish, at least one segment of the heating pipe is just on the liquid surface, so that the accumulated water in the evaporating dish can be more effectively heated and evaporated, and water overflow is prevented.

The invention discloses a control method of a washing machine and the washing machine. A water inlet pipeline of the washing machine is provided with a water inlet flow detection device for metering the water inlet amount. According to the control method, the washing machine controls the water inlet amount of rinsing according to the water inlet amount of washing or the amount of residual water inclothes after washing. In the case of rinsing, under the condition of the low water level, the clothes can be rinsed to be clean by increasing the water inlet amount; at the middle water level, the situation that water is splashed is prevented by reducing the water inlet amount; and at the high water level, the water inlet amount is reduced to prevent the situation of water overflow.

The invention relates to a steel socket reinforced concrete pipe with a pipe base. The steel socket reinforced concrete pipe comprises a socket, an insertion opening, a reinforced framework and a concrete pipe core, wherein the socket and the insertion opening are respectively and fixedly arranged at two ends of the concrete pipe core, the reinforced framework is embedded and arranged in the concrete pipe core, in addition, two ends of the reinforced framework are respectively and fixedly arranged on the socket and the insertion opening, and the pipe base is integrally made at the lower part of the concrete pipe core. The steel socket reinforced concrete pipe has the advantages that the structure is simple, the design is scientific and reasonable, the foundation settlement can be effectively resisted, the integral sealing performance is good, the manufacture is simple, the cost is lower, and the steel socket reinforced concrete pipe belongs to a safe and reliable steel socket reinforced concrete pipe with the pipe base.

The invention discloses a cleaning equipment anti-overflow method, cleaning equipment and a computer readable storage medium, and the cleaning equipment anti-overflow method comprises the following steps: after a water injection signal is received, an electromagnetic valve is controlled to be opened, so that an external water source flows into a water tank through a water path and a water inlet; detecting whether the floating ball valve closes the water inlet or not through the first water level detection piece; if not, closing the electromagnetic valve to end the water injection operation; and / or executing water injection abnormity prompting operation. According to the technical scheme, three-level anti-overflow protection of the water tank is achieved through the electromagnetic valve, the floating ball valve and the first water level detection piece, the water overflow condition of the water tank can be effectively avoided, and the reliability of the anti-overflow function of the cleaning equipment can be greatly improved.

The invention discloses track-based vegetable harvesting apparatus. The vegetable harvesting apparatus comprises operation tracks, a hanging beam and a harvesting device; each operation track comprises a mounting base, a guide rail, a close mechanism and a cleaning mechanism, the lower part of the mounting base is embedded under the ground, the guide rail is laid on the mounting base, the close mechanism is used to close the guide rail, and the cleaning mechanism is used for washing the guide rail by spraying water; the hanging beam is erected between the two operation tracks, supporting pieces are arranged below the hanging beam, and the lower ends of the supporting pieces are provided with track wheels; the harvesting device is suspended at the bottom of the hanging beam, and the harvesting device comprises left and right rollers, left and right blades, gas suction modules and shoveling modules; and the left and right rollers are parallel to each other and have a certain distance, aninvolving space is formed during rotating, the left and right blades cut vegetables in the involving space, at least half of cutting edges of the left and right blades are arranged as a saw tooth structure, the gas suction modules are used for adsorbing the cut vegetables on the surfaces, and the shoveling modules shovel the vegetables adsorbed on the surfaces of the left and right rollers.

The invention provides a monitoring management system of an urban underground pipe network. The monitoring management system comprises a data processing server, an inspection terminal system, a pipe network terminal system and a monitoring terminal system, wherein the inspection terminal system, the pipe network terminal system and the monitoring terminal system are electrically connected with thedata processing server, the inspection terminal system comprises a GPS locator, an inspection record uploading module, a warning information feedback module and an inspection person registration module, and the GPS locator is applied to positioning function of an inspector. Underground pipelines are monitored in a classification way, the safety of each pipeline is ensured, and the monitoring efficiency is improved; an infrared sensor is arranged in a maintenance well, the access of a maintainer is monitored, the safety of the maintainer is ensured, positioning operation is performed by the GPS locator, the inspection track and the inspection information of the inspector are registered and recorded, the flow quantity and liquid level change of sewerage and rainwater are monitored, and therunning safety is ensured.

The invention relates to a reinforced concrete pipe provided with a prestressed pipe base. The reinforced concrete pipe comprises a bell mouth, a faucet, a steel reinforcement framework and a concrete pipe core. The bell mouth and the faucet are respectively fixedly mounted at two ends of the concrete pipe core; the steel reinforcement framework is embedded in the concrete pipe core, with the two ends respectively fixedly being mounted on the bell mouth and the faucet; the pipe base is integrally fabricated at the lower part of the concrete pipe core; and prestressed longitudinal reinforcement bars are embedded in the pipe base. The reinforced concrete pipe can effectively resist ground settlement and is simple in structure, scientific and reasonable in design, good in overall sealing performance, simple in manufacturing process, low in cost, and is safe and reliable.

The invention discloses a water dispenser which comprises a shell, an inner container and a gravity sensor. A cavity is defined in the shell. The inner container is arranged in the cavity, and the inner container can move in the up-down direction according to the different water amounts in the inner container. The gravity sensor is provided with a fixed end and a free end. The fixed end is fixedly connected with the shell, and the free end is arranged below the inner container and bears the weight of the inner container. The free end is used for determining the water amount in the inner container according to the load bearing of the free end. According to the water dispenser, the free end of the gravity sensor can be used for determining the water amount in the inner container according to the load bearing of the free end, so that a user learn the condition of the water level in the inner container, and the phenomenon of inner container water overflowing due to the fact that water is continuously added when water exists in a pot is avoided. The water dispenser achieves a novel structure of inner container water level detection through a gravity sensing principle, and has the advantages that the structure is feasible and simple, the cost of the gravity sensor is low, and industrialization is likely to be realized.

The invention discloses vegetable harvesting apparatus. The vegetable harvesting apparatus comprises operation tracks, a hanging beam and a harvesting device; each operation track comprises a mountingbase, a guide rail, a close mechanism and a cleaning mechanism, the lower part of the mounting base is embedded under the ground, the guide rail is laid on the mounting base, the close mechanism is used to close the guide rail, the cleaning mechanism is used for washing the guide rail by spraying water, the inner side of a close plate is provided with a support block, an end of the support blockis fixed with the inner side of the close plate, and the other end of the support block supports against the guide rail when the close plate is closed; the hanging beam is erected between the two operation tracks, supporting pieces are arranged below the hanging beam, and the lower ends of the supporting pieces are provided with track wheels; the harvesting device is suspended at the bottom of thehanging beam, and the harvesting device comprises left and right rollers, left and right blades, gas suction modules and shoveling modules; and the left and right rollers are parallel to each other and have a certain distance, an involving space is formed during rotating, the left and right blades cut vegetables in the involving space, the gas suction modules are used for adsorbing the cut vegetables on the surfaces, and the shoveling modules shovel the vegetables adsorbed on the surfaces of the rollers.

The invention discloses a preassembled plate, an assembled mechanism and an outdoor preassembled transformer substation. According to the preassembled plate, sliding plates are arranged on two sides of a preassembled shell; the preassembled shell can vertically ascend and descend between the sliding plates on the two sides; when the preassembled shell ascends, the preassembled shell is separated from the ground so as to realize water resistance, so a traditional waterproof mode in a mode is replaced and the preassembled plate is simple and practical; and a transformer substation can be prevented from suffering from large flood disasters through ascending of the preassembled shell, and the sliding plates are arranged above the transformer substation and do not occupy ground space. The assembled mechanism provided by the invention comprises clamping plates which are fixedly welded at the bottom of a bottom plate, have elastic tensile property and can clamp the bottom plate on side platesmore stably, and guiding plates which are attached to the two sides of overflow degree receiving units and conducting guiding when a top plate moves relative to the preassembled shell, wherein the top plate moves in guiding grooves through the guiding plate at the lower end during lifting, so the top plate is more stable during lifting. The outdoor prefabricated substation provided by the invention comprises the preassembled plate or the assembling mechanism.

The invention discloses a method for refreshing a media access control address. The method comprises the following steps of: acquiring a target media access control (MAC) address to be refreshed according to a port corresponding to a fault link between nodes; and selecting the MAC address matched with a source MAC address and the target MAC address to perform refreshing by matching the source MAC address of other nodes and the target MAC address. The invention also discloses a system for refreshing the media access control address, which comprises an acquisition unit, a matching unit and a refreshing unit, wherein the acquisition unit is used for acquiring the target MAC address to be refreshed according to the port corresponding to the fault link between the nodes; the matching unit is used for matching the source MAC address of other nodes and the target MAC address; and the refreshing unit is used for selecting the MAC address matched with the source MAC address and the target MAC address to perform refreshing. The method and the system of the invention can realize selective refreshing of the MAC address.

The invention discloses a fire protection arrangement method which comprises the following steps: dividing a fire protection zone into a plurality of segmented areas, setting an overlapping area between every two adjacent segmented areas as a transition area, setting fire detection devices in each segmented area and each transition area, and setting a fire extinguishing device and a drainage device in each segmented area, when the fire detection device in any segmented area detects that a fire occurs in the segmented area, the fire extinguishing device in the segmented area is turned on to extinguish fire, and fire-fighting drainage generated during fire extinguishing is discharged through the drainage device in the segmented area; or when the fire detection device in any transition area detects that a fire occurs in the transition area, the fire extinguishing devices in the two adjacent segmented areas of the transition area are turned on to extinguish fire, and fire-fighting drainage generated during fire extinguishing is discharged through the drainage devices in the two segmented areas. The invention further discloses a fire extinguishing system. The fire extinguishing device can be prevented from being started in a large area, accurate control is achieved, and discharge of fire fighting water is reduced.

The invention discloses a control method and device of an air conditioner. The method comprises the steps that the water level of a water pan of the air conditioner is detected, and the water pan is used for bearing condensation water generated by refrigeration of the air conditioner; whether the water level of the water pan is higher than the preset water level or not is judged; and if the waterlevel of the water pan is higher than the preset water level, a refrigeration control device of the air conditioner is controlled, so that the temperature of a heat exchange device of the air conditioner is higher than the dew point temperature of air. By means of the control method and device, the technical problems that in the prior art, when a water drainage device of the air conditioner breaksdown, the air conditioner is controlled to stop refrigeration in order to avoid water overflowing is solved.

A biological self-healing deep profile control slug combination comprises biological slugs, a biopolymer cross-linking system slug, a chemical polymer cross-linking system slug and isolation slugs.The biological slugs comprise microorganism living bodies, a biopolymer and a fermentation nutritional agent.A using method of the biological self-healing deep profile control slug combination comprises the steps that injection is carried out at the low injection speed lower than the water injection amount, and front-end slugs, middle slugs and a tail slug are injected in sequence; the front-end slugs include the corresponding biological slug and the corresponding isolation slug; the middle slugs include the biopolymer cross-linking system slug, the corresponding isolation slug, the corresponding biological slug and the corresponding isolation slug in sequence; the tail slug is the chemical polymer cross-linking system slug, and plugging near a wellbore is carried out.According to the biological self-healing deep profile control slug combination and the using method thereof, the oil deposit shearing resistance is good, the glue forming quality is high, and the profile control effect is good; the deep profile control radius is large, and water injection winding streaming is effectively avoided; all the slugs are reasonably combined, and can carry out biological regeneration self-repairing in a staged mode, the service life of a total slug is effectively prolonged, and the validity period is long.

The invention discloses a rectification purification device for 9-bromoanthracene. The rectification purification device for 9-bromoanthracene comprises a rectification tower, and a first communicating pipe and a second communicating pipe which communicate with the rectification tower, a feeding pipe and a rotating mechanism; one end of the first communicating pipe is fixedly provided with a condenser, and one end of the second communicating pipe is fixedly provided with a reboiler; the feeding pipe is fixedly mounted on one side of the rectification tower, and a mounting block is connected to one side of the feeding pipe in a clamped mode; and the rotating mechanism comprises a rotating shaft vertically arranged in the rectification tower, a mounting plate used for mounting the rotating shaft is fixedly arranged in the rectification tower, and a plurality of blades are fixedly mounted on the rotating shaft. According to the invention, the phenomenon of flooding caused by overhigh flow rate of gas in the rectification process is avoided, so that the rectification operation can be normally carried out, the extracted purity is sufficient, and the quality after rectification and purification is improved.

The invention discloses a vegetable harvesting machine which comprises running rails, a hanging beam and a harvesting device. The running rail comprises mounting foundations, guide rails, closing mechanisms and cleaning mechanisms, the lower portions of the mounting foundations are embedded underground, the guide rails are laid on the mounting foundations and closed by the closing mechanisms, thecleaning mechanisms spray water towards the guide rails and clean the guide rails, the hanging beam is erected between the running rails, a supporting part is arranged below the hanging beam, rail wheels are arranged at the bottom end of the supporting part, the harvesting device is hanged at the bottom of the hanging beam and comprises a left roller, a right roller, a left blade, a right blade, an air-sucking module and a shoveling module, the left roller and the right roller are mutually parallel and have a certain distance to form an involving interval in the rotating process, the vegetables involved into the interval are cut by the left blade and the right blade, the cut vegetables are adsorbed onto the surface by the air-sucking module, and vegetables adsorbed on the surfaces of the left roller and the right roller are shoveled by the shoveling module.

The invention relates to a lined cylinder type concrete pipe provided with a pipe base. The lined cylinder type concrete pipe comprises a bell mouth, a faucet, a steel reinforcement framework and a concrete pipe core. The bell mouth and the faucet are respectively fixedly mounted at two ends of the concrete pipe core; the steel reinforcement framework is embedded in the concrete pipe core, with the two ends respectively fixedly being mounted on the bell mouth and the faucet; the pipe base is integrally fabricated at the lower part of the concrete pipe core; a hard plastic lining cylinder is coaxially embedded in the concrete pipe core; and two ends of the plastic lining cylinder are respectively fixedly mounted on the bell mouth and the faucet. The lined cylinder type concrete pipe can effectively resist ground settlement, and is simple in structure, scientific and reasonable in design, good in overall sealing performance, good in corrosion resistance and durability, simple in manufacturing process, low in cost, and safe and reliable.

The invention discloses an automatic valve closing device for solar water heater overflow. The automatic valve closing device for solar water heater overflow comprises a water tank, an overflow pipe and a water feeding pipe, wherein the water tank, the overflow pipe and the water feeding pipe are fixed to the wall, a rotating shaft is rotatably installed in the water tank, the water feeding pipe extends into the water tank and is rotatably provided with water valve pipe, the water valve pipe extends to the outside of the water tank and is provided with a water valve knob, a driven adjustment wheel is fixedly installed on the water valve pipe, a water wheel is fixedly installed at one end of the rotating shaft, the water wheel is located under the overflow pipe, a driving adjustment wheelis rotatably installed at the other end of the rotating shaft. The gravitational potential energy of water in the overflow pipe is converted into rotating mechanical energy through the water wheel andthe rotating shaft, and the driven adjustment wheel is driven by the driving adjustment wheel and an adjustment chain to rotate the water valve pipe to close the water feeding pipe to stop water feeding, the speed of water closing and the reliability of the device are improved, and the device remind the user to check the water closing effect again through a water feeding circuit and remind the user to drain through a water storage circuit, iand the convenience and safety of the device are improved.