1427results about "Service pipe systems" patented technology

The invention provides a robust control automatic setting method for a constant-pressure water supply system, and the method comprises the steps: obtaining a system working condition in real time, and extracting multi-dimensional state parameters including real-time flow, pressure deviation, current deviation and power deviation; the current load working condition is judged according to the pressure deviation, disturbance characteristics are analyzed by integrating all parameters, and the disturbance grade and type are determined. On the basis, robust control parameters are automatically set in combination with real-time working conditions, load conditions and disturbance characteristics of the system. And finally, performing multi-stage cooperative control on the system by using the set parameters, so that the constant-pressure water supply system is automatically set. According to the robust control automatic setting method for the constant-pressure water supply system, load working conditions and disturbance characteristics are recognized based on multi-dimensional state parameters, robust control parameters are self-set in a targeted mode, and automatic setting of the constant-pressure water supply system is achieved through multi-stage cooperative control. Therefore, the intelligent level of the constant-pressure water supply system and the adaptability in different operation environments are effectively improved.

Methods and systems for automatically mitigating risks of water damage to a property caused by insurance-related events are provided. A smart home controller and / or insurance provider remote processor may analyze data received from a smart device disposed on, within, or proximate to a property associated with monitoring water flow, as well as data received from an insurance provider. If it is determined that an actual or potential risk of water leakage exists, the smart home controller or remote processor may automatically issue commands to the smart device to take actions that mitigate the risk of water damage. The smart home controller may transmit information about the actual or potential water leakage risks and any mitigative actions to an insurance provider. The insurance provider remote processor may interpret the transmitted data and perform insurance activities, such as providing a discount or premium, and / or adjusting an insurance policy associated with the property.

The invention relates to the technical field of intelligent scheduling of water supply resources, in particular to an intelligent scheduling system and method for water supply resources in extreme weather, in which a time sequence coupling analysis unit collects pipe network pressure, turbidity and meteorological early warning data in real time, identifies the peak time period of the turbidity abrupt change rate through dual-channel verification, and sends the peak time period of the turbidity abrupt change rate to a cloud server; the dynamic strategy generation unit divides scenes according to the coefficients, starts staged pressure relief in a high-contact-ratio scene, controls total duration and single-stage pressure drop, integrates real-time compensation of flow velocity, generates a pre-pressure-relief instruction in a low-contact-ratio scene, and generates a pre-pressure-relief instruction according to the pre-pressure-relief instruction, and the dynamic strategy generation unit generates a pre-pressure-relief instruction according to the pre-pressure-relief instruction and the single-stage pressure drop in the high-contact-ratio scene. And the pipe network topology compensation correction triggering time is fused, and the execution intensity of two types of instructions is dynamically allocated in a mixed scene, so that the pipe network pressure and water quality collaborative guarantee in extreme weather is realized, and the safety and stability of a water supply system are maintained.

The invention discloses a water supply pipe network dynamic pressure control method and system based on multi-parameter fusion, and relates to the technical field of water supply pipe network control, and the method comprises the steps: carrying out the standardization processing and topological optimization of pipe network geographic information system data, and constructing an urban pipe network topological graph; identifying a pressure sensitive node and a distance sensitive node based on a hydraulic calculation result of the mechanism calculation model; performing association coding on historical monitoring data of the key nodes and a topological connection relationship, and training a machine learning model fusing pipe network topological constraints; collecting real-time monitoring data, inputting the real-time monitoring data into the mechanism calculation model and the machine learning model, and respectively obtaining offline adjustment parameters and online adjustment parameters; and determining a final adjusting instruction through consistency verification to control water supply pump set equipment. According to the method, the calculation precision of the mechanism model and the response speed of the machine learning model are fused, organic unification of accuracy and real-time performance is achieved, and the control stability and reliability under the abnormal working condition are improved.

The utility model discloses a cleaning machine, which relates to the technical field of electric appliances and comprises a shell component, a water storage container, a water mixing valve and a water storage component. The shell assembly is used for being installed on a wall face and provided with an upper end, a lower end and a containing cavity limited between the upper end and the lower end. The water storage container is installed in the containing cavity and provided with a first water cavity and a second water cavity, the first water cavity is used for being communicated with an external hot water source, and the second water cavity is used for being communicated with an external normal-temperature water source; the water mixing valve is respectively communicated with the first water cavity and the second water cavity; the water outlet assembly is provided with a water inlet end and a water outlet end, the water inlet end of the water outlet assembly is communicated with the water mixing valve, and the water outlet end of the water outlet assembly is arranged at the upper end of the shell assembly and used for being communicated with the water using end. The cleaning machine can be directly matched with a water supply system to supply normal-temperature water and hot water, and the applicability of the cleaning machine is improved.

A pressure monitoring system for a wet barrel hydrant includes an outer housing comprising a substantially cylindrical sidewall shell and a cap coupled to the substantially cylindrical sidewall shell, a center axis extending centrally through the pressure monitoring system; a pressure sensor configured to measure a pressure of a fluid received in the wet barrel hydrant; and an antenna assembly comprising an antenna, the antenna configured to send signals representative of pressure data measured by the pressure sensor, wherein the antenna assembly is circumferentially surrounded by the cap and is axially spaced from the substantially cylindrical sidewall shell.

The invention relates to the technical field of water supply system monitoring and control, and discloses an urban and rural water supply intelligent scheduling and monitoring system based on the Internet of Things. The system multiplexes transient pressure waves generated in the system into detection signals, and performs propagation damping and reflection echo analysis on the same pressure signal sequence from a pressure sensor in parallel, so as to obtain a pressure signal sequence; according to the method, the system can be controlled to obtain physical state information of the pipe network on line, and the information is utilized to update a hydraulic model used for guiding dispatching; through a non-disturbance detection process, information about a pipe network distributed health state and a discrete abnormal point position is obtained at the same time, a basis is provided for a scheduling decision, and thus the operation state of a system is influenced.

The invention discloses a timed and quantitative full-automatic intelligent water replenishing method and system, and relates to the technical field of intelligent water replenishment, and the method comprises the steps: generating a dynamic water replenishing control signal based on municipal pipe network pressure data, water tank liquid level height and water replenishing flow data which are monitored in real time; dividing and defining a water supplementing flow threshold range of a corresponding time period according to a preset time period, adjusting the opening degree of an electric adjusting valve based on the dynamic water supplementing control signal, supplementing water, and when it is monitored that the pressure of the municipal pipe network is lower than a preset protection threshold value, attenuating the water supplementing flow through a dynamic pressure compensation mechanism, and maintaining the stability of the pressure of the pipe network; predicting the water demand in the future time period, updating the target liquid level, and when the liquid level of the water tank reaches the target liquid level, triggering a redundancy protection mechanism to forcibly stop water replenishing. By introducing a dynamic pressure compensation mechanism, flow regulation and chaos disturbance factor feedback, the pipe network pressure stability, the water replenishing flow regulation precision and the response speed are optimized, the actual water use requirement is met, and the safety and the energy efficiency are improved.

The invention relates to the technical field of mine water treatment and utilization, and discloses a mine water resource comprehensive utilization system and method based on multi-target coupling, and the system comprises a multi-source mine water collection module which collects mine water in different underground areas; the hierarchical storage and adjustment module is used for performing hierarchical storage and adjustment on the mine water; the target guiding purification module is used for carrying out targeted purification treatment on the adjusted mine water to generate standard industrial water to be used or irrigation water to be used; the multi-scene utilization module is used for conveying the industrial to-be-used water or the irrigation to-be-used water which reaches the standard to a corresponding water utilization scene and carrying out industrial or agricultural scene water supply utilization; the intelligent coupling regulation and control center module is used for establishing a dual-objective function for maximizing the water resource utilization rate and minimizing the system energy consumption according to the monitoring state data of all the modules and the initial system control instruction and constraint conditions, and performing iterative solution by adopting a multi-objective particle swarm optimization method to generate an optimal control instruction; the utilization rate of mine water resources is greatly increased.

The invention relates to the technical field of industrial PLC control, and discloses a device control method and system based on an industrial PLC, and the method comprises the steps: constructing a device time index table and a parameter index table of a plurality of water supply devices through a main PLC; in the first function block, in combination with the parameter index table, executing load prediction, and creating an equipment load distribution scheme; inputting the equipment load distribution scheme into a second function block for encryption authentication processing to obtain a security control instruction packet; and transmitting the safety control instruction packet to an edge PLC controller, and generating a pressure abnormity judgment result and equipment fault early warning information by using the equipment time index table. The intelligent level, the operation efficiency and the safety reliability of the water supply control system are improved.

The utility model relates to the technical field of water supply equipment, and discloses non-negative-pressure water supply equipment which comprises a base plate, a vibration reduction assembly is installed at the bottom of the base plate, and a non-negative-pressure water supply assembly and a PLC control assembly are installed at the top of the base plate. According to the non-negative-pressure water supply equipment, optimization design and linkage control are integrated, the water supply stability and the anti-interference capacity are remarkably improved, specifically, the vibration reduction assembly at the bottom of the base plate gives consideration to low-frequency vibration reduction and high-frequency energy absorption, equipment operation vibration and displacement are effectively restrained, in the non-negative-pressure water supply assembly, a water pump sucks a municipal water source through a water inlet pipe, and the water supply efficiency is improved. The electromagnetic regulating valve and the pressure sensor are linked with the bypass pipeline and the one-way valve, bypass emergency pressure supplementation can be automatically switched when the pressure of a main pipeline fluctuates, the negative pressure risk is eliminated, the steady flow tank is matched with a floating valve element and an air pressure balance cavity in the vacuum suppressor, dynamic balance of water pressure is maintained, the cavitation phenomenon is avoided, the PLC control assembly can regulate and control all electrical elements in a centralized mode, and the control efficiency is improved. And intelligent start-stop and fault early warning are realized.

A pressure relief valve that is spring-activated or utilizes a burst disk is described for preventing pipe bursts in a building plumbing system. A control valve system and method for preventing pipe bursts utilizing the pressure relief valve are also described. Also described are spring-activated control valve cartridges and control valve systems utilizing spring-activated control valve cartridges that prevent pipe bursts when installed building plumbing systems. Further described are methods for preventing pipe bursts in building plumbing systems comprising the step of disposing a relief valve or spring-activated cartridge according to the disclosure in a building plumbing system.

The apparatus comprises a water tank 12 containing a volume of water, an inlet 28 to the water tank for connection to the mains water supply, a mains supply valve 14, an outlet 30 connected to the wat

The utility model discloses self-cleaning filtering equipment for a water supply and drainage system. The self-cleaning filtering equipment comprises a filtering cylinder, a conical cylinder, a blow-off pipe, a top cover, a vertical pipe, a horizontal pipe, a plurality of uniformly-distributed pipes, a water inlet pipe, a water outlet pipe, a filtering net and a plurality of high-pressure flushing nozzles, the plurality of high-pressure washing nozzles are respectively mounted below the plurality of uniformly distributed pipes; the water inlet pipe is mounted on the side wall of the conical barrel; the water outlet pipe is mounted on the side wall of the filter cartridge; second valves are mounted on the water inlet pipe and the water outlet pipe; the filter screen is horizontally installed at the bottom in the filter cartridge, and the water outlet pipe is arranged above the filter screen and located below the high-pressure washing nozzle. The top cover can be detached, the vertical pipe is installed on the top cover and can be taken down along with the top cover, in addition, the fixing ring and the supporting ring are fixedly connected through the fastening bolts, the filter screen can be detached, and the effect that the filter screen can be detached, cleaned and replaced is achieved.

The utility model provides a water supply overhaul well which comprises an overhaul well body, the overhaul well body comprises a well chamber and a well lid, a well lid support is arranged above the well chamber, and the well lid is connected with the well lid support in a sealed mode. A sump is arranged at the bottom of the well chamber, the height of the bottom wall of the well chamber is gradually increased from the end close to the sump to the end away from the sump, a water suction pump is arranged in the sump, and a water level sensor is arranged on the edge of the top of the sump. A water supply pipeline is arranged in the well chamber, and a first electric on-off valve and a flow sensor are arranged on the water supply pipeline; an information transmission module and a power supply module are arranged at the end, away from the sump, in the well chamber. The information transmission module is in communication connection with the flow sensor. The water level sensor, the water suction pump, the first electric on-off valve and the information transmission module are all in communication connection with a control unit. The power supply module is used for supplying power to the water suction pump, the first electric on-off valve, the information transmission module and the control unit. The problems that in the prior art, a municipal water supply pipe network overhaul well is large in operation and maintenance workload and high in labor cost are solved.

The application relates to the field of slope protection, and discloses a supporting structure convenient to disassemble for slope treatment, which comprises a protection seat, one side of the protection seat being connected with a storage seat, one side of the storage seat being provided with a connecting unit; a positioning mechanism fixedly connected on a slope, the positioning mechanism being provided with multiple, and the positioning mechanism being connected with the connecting unit; and an intercepting mechanism installed on the positioning mechanism, the multiple intercepting mechanisms being connected with each other, the supporting structure can be conveniently installed and disassembled, forms an integral whole, and is convenient for the installation of the integral whole; the supporting structure can also be disassembled at corresponding points in the subsequent process, the influence on the environment is reduced, the stability of the slope is ensured through cooperation with multiple-point limitation, and the possibility of landslide is reduced.

A system for adjusting a timing of at least one flush valve is provided. A plurality of flush valves each comprise a solenoid configured to open and close a respective flush vale based on a flush time. A network device is arranged in or proximate to an area associated with the at least one restroom, the network device configured to receive wireless signals. At least one processor in communication with the network device and the plurality of flush valves. The at least one process programmed to: (i) detect, based on wireless signals received by the network device, a number of mobile devices in the area; (ii) determine whether the number of mobile devices in the area meets or exceeds at least one predetermined threshold; and (iii) in response to determining that the number of mobile devices in the area meets or exceeds the at least one predetermined threshold, adjusting the flush time of each of the plurality of flush valves to an adjusted flush time, such that the adjusted flush time reduces an amount of water used by each of the plurality of flush valves for a flush.

To provide a water meter unit control system capable of detecting water leaks with high accuracy.SOLUTION: A water meter unit 10, a waterworks department side information terminal 20 and / or a user side information terminal 30 are connected in a communicable state through a network. The water meter unit 10 includes a water meter 1 for measuring the flow rate of water flowing in plumbing, a valve 2 provided on an upstream side or a downstream side of the water meter 1 in the plumbing, and a control unit 3 for controlling the water meter 1 and the valve 2. The control unit 3 detects a water leak in the case of determining that water is caused to flow after the elapse of a prescribed continuous usable time on the basis of a measurement result of the water rate of water by the water meter 1, and notifies the waterworks department side information terminal 20 and / or the user side information terminal 30 of the water leak of the plumbing through the network.SELECTED DRAWING: Figure 1

The utility model provides a water resource recycling device based on agriculture and light complementation. The water resource recycling device comprises a water resource recycling box, an agriculture irrigator, a water resource collecting tank and a photovoltaic module flusher, at least one water resource recycling box is arranged close to the photovoltaic module, a photovoltaic module flusher is arranged at the top of the photovoltaic module, and the water inlet end of the photovoltaic module flusher is communicated with a water conveying pipeline of the water resource recycling box; and a water resource collecting tank is arranged at the bottom of the photovoltaic module, and the bottom of the water resource collecting tank is communicated to the water resource recycling box through a collecting pipeline. According to the utility model, the water resource collecting tank is arranged to collect water for the cleaning assembly and natural rainfall, and the water resource is recycled for daily use of an agricultural-light complementary project through the water resource recycling box, the photovoltaic assembly flusher and the agricultural irrigator, so that the recycling of the water resource of the agricultural-light complementary photovoltaic power station area is realized, and the utilization rate of the agricultural-light complementary photovoltaic power station area is improved. The utilization rate of water resources is increased, and the growth environment of crops under the plate is improved.

The application discloses a basement cold storage pool construction method and relates to the technical field of pool construction, which comprises the following steps: S1, installation and connection of water distribution pipelines in the water storage pool; S2, suspension of the water distributor on the top floor in the water storage pool through a lead screw and support of the water distributor through support angle steels; S3, laying of drainage plates on the original concrete ground of the water storage pool and laying of a reinforced concrete layer on the drainage plates; S4, cleaning of the reinforced concrete layer in the water storage pool, brushing of waterproof paint on the reinforced concrete layer and construction of an adhesive layer; and S5, construction of a heat insulation layer on the top of the water storage pool. The application has the effect of reducing power use during peak periods.

The fire-fighting water intake comprises a protective well, a well lid covering a well mouth of the protective well and a straight pipe connected with a water outlet of the semi-underground fire-fighting water pool, the end, away from the semi-underground fire-fighting water pool, of the straight pipe is connected with a vertical pipe, and a top port of the vertical pipe extends into the protective well and is detachably connected with a sealing plate. A through hole is formed in the sealing plate and connected with a connector pipe, and a pipe opening of the connector pipe is provided with an inner buckling type water suction pipe connector used for being connected with a water taking pipe of a fire fighting truck. According to the fire-fighting water intake for the semi-underground fire-fighting pool, safe and rapid water intake of a fire-fighting truck is ensured, and the fire-fighting truck is ensured to fully utilize the water quantity of the fire-fighting pool in a fire disaster period.

The utility model discloses a building water supply and drainage pipeline anti-blocking device which comprises a water supply and drainage pipe, internal threads are arranged on the inner wall of the water supply and drainage pipe, the inner wall of the water supply and drainage pipe is in threaded connection with a filter cartridge, and the inner wall of the filter cartridge is connected with a coarse filter screen. Through the arrangement of a coarse filter screen, a fine filter screen, a graphene coating, an internal thread and a filter cartridge, coarse and fine impurities entering the water supply and drainage pipe can be filtered through the coarse filter screen and the fine filter screen, a large number of impurities effectively enter the water supply and drainage pipe, and the water supply and drainage pipe is prevented from being blocked; through arrangement of an annular water pipe, a backwashing spray head, a high-pressure water supply pipe, a control water valve and a pressure regulating valve, the control water valve can be opened to realize water supply of the annular water pipe, and water is sprayed out through the backwashing spray head, so that backwashing of the filter cartridge can be realized, impurities adhered to the filter cartridge are effectively removed, and water impurities are effectively filtered; the blockage phenomenon in the water supply and drainage pipe is effectively avoided.

The utility model relates to the technical field of box type water supply, in particular to a box type non-negative pressure water supply device for municipal building water supply, which comprises an I-shaped chute plate A, an I-shaped chute plate B, a positioning mechanism and a damping mechanism, the positioning mechanism comprises a circular ring, a fixed rod and a spring, and the fixed rod is sleeved with the spring. Through the arrangement of the damping mechanism, eight dampers arranged at the corners of the bottom of the box-type water supply device body play a damping role, the situation that the service life of equipment is shortened due to vibration generated by working of electrical elements in the box-type water supply device body is avoided, and meanwhile the stability performance of the box-type water supply device body is improved; through the arrangement of the positioning mechanism, the insertion holes formed in the I-shaped sliding groove plate A and the I-shaped sliding groove plate B correspond to scale values, and the box type water supply device bodies with different lengths and widths can be matched by sliding the I-shaped sliding block and the positioning mechanism.

A water diverter device for use with a faucet including an electrically operable valve assembly and a control module for controlling the flow of cold water to a water filter.

The utility model discloses a submerged body intelligent balancing device for a water pipe, and relates to the technical field of water supply pipeline equipment. In order to solve the problem that stability of postures and positions cannot be guaranteed when existing submerged detection equipment faces changes of water pressure and water flow speed, the technical scheme includes that the underwater detection equipment comprises a steering engine body, a rudder wing and a steering engine support, a connecting port is formed in the top of the steering engine body, the rudder wing is connected with the connecting port, and the steering engine support is arranged at the bottom of the steering engine body. The steering engine body is provided with a microcontroller and a posture detection sensor, and the microcontroller is in communication connection with the posture detection sensor. The utility model has the beneficial effects of accurately controlling the posture of the water pipe, improving the underwater stability and reliability, flexibly adapting to different application scenes, realizing intelligent control, real-time monitoring and feedback adjustment, being easy to maintain and upgrade and the like. Efficient and stable operation of the device in an underwater environment is ensured, and powerful technical support is provided for underwater operation.

The application relates to a full-mechanical automatic tracking self-balancing variable current voltage stabilizing device and a use method thereof, which comprises a main pipe and two gear connecting rod combined mechanisms arranged on the two sides of the main pipe respectively; the gear connecting rod combined mechanism comprises a bellows, a pressing plate pressed on one end of the bellows far from a water inlet pipe, and a pressing rod pressed on the hose; one end of the bellows is sealingly connected with the pipe wall of the water inlet pipe, the other end is sealingly fixedly connected with the pressing plate, a supporting rod extending away from the bellows is fixed on the pressing plate, a spring is connected with one end of the supporting rod far from the pressing plate, and the other end of the spring far from the supporting rod is fixedly arranged; the gear connecting rod combined mechanism further comprises a driving gear and a driven gear which are mutually meshed. The application changes the flow area of the hose through the gear transmission mechanism of each connecting rod and the expansion and contraction of the bellows when the water pressure changes, so that the flow is stored and the pressure is increased when the pressure is low, the municipal end water pressure is prevented from being lower than the minimum allowable value due to excessive secondary water supply and water taking, no external power is needed, and the automatic tracking and self-balancing functions are achieved.

A branch pipe installation for branching from a vertical pipe comprises a branch connection attached to the vertical pipe having a vertical portion with a reduced cross section forming a nozzle configured to increase the velocity head of water passing through the nozzle, an expansion chamber located directly below the nozzle and having a cross-sectional area larger than the cross-sectional area of ​​the vertical pipe, a branch protruding from the expansion chamber, a floor outlet, and a branch pipe connecting the branch to the floor outlet.

The utility model relates to the technical field of water supply and drainage pipeline cleaning, and discloses municipal water supply and drainage pipeline inner wall cleaning equipment which comprises a shell and a movable cylinder. A communicating pipe is adaptively arranged in the shell, one end of the communicating pipe penetrates through one end of the shell, and the other end of the communicating pipe is provided with a high-pressure rotating spray head located outside the other end of the shell; one end of the movable barrel is movably connected with the side wall of one end of the shell, the side wall of the other end of the movable barrel is connected with the outer side wall of the other end of the shell through an electric cylinder, and a roller is further arranged at the end, connected with the electric cylinder, of the movable barrel. According to the water supply and drainage pipeline cleaning device, the device can be used for stably and effectively cleaning water supply and drainage pipelines with different diameters, the adaptability is improved, the high-pressure rotating spray head at one end of the shell can be always in the center state, the inner side walls of the water supply and drainage pipelines can be better cleaned, and the cleaning effect is improved.

A drinking and domestic water system with a transfer point (22) from the public water supply network, a line (2, 4) from which at least one ring main (10; 38, 40) branches off, wherein the ring main (10) branches off from the line (2, 4) via an outlet opening (14) and is led back into the line (2, 4) via an inlet opening (16), wherein a flow resistance element (36) is arranged in the line (2, 4) between the outlet opening (14) and the inlet opening (16), or wherein the ring main (38, 40) is led back into a circulation line (6) via the inlet opening (16). The present invention aims to provide such drinking and domestic water system, which is intended to simplify the shutting off of the ring main for functional tests, cleaning measures or maintenance purposes.