625results about "Drawing-off water installations" patented technology

A smart fluid system includes a fire hydrant that includes a nozzle and a nozzle cap assembly. The nozzle cap assembly includes a nut mounted on the nozzle and positioned at a first end of the nozzle cap assembly; a base positioned at a second end of the nozzle cap assembly opposite the first end, the nozzle received by the base to secure the nozzle cap assembly to the fire hydrant; an enclosure coupled to the nut and positioned between the nut and the base, the enclosure defining a cavity; and an antenna, a modem, and a power source positioned within the cavity, the modem connected in electrical communication with the antenna and the power source.

A nozzle cap assembly includes a nut positioned at a first end of the nozzle cap assembly; a base positioned at a second end of the nozzle cap assembly, the base configured to mount on a nozzle of a fire hydrant; an enclosure positioned between the nut and the base, the enclosure defining a cavity; and an antenna, a modem, and a power source positioned within the cavity, the modem connected in electrical communication with the antenna and the power source.

The invention discloses an outdoor fire hydrant water pressure real-time monitoring system, and relates to the technical field of fire fighting. When the system operates, a data acquisition and preprocessing module performs efficient fusion of multi-source data, and provides accurate water pressure data Px (t); the correlation analysis module evaluates the relationship between adjacent fire hydrants by using the geographic position data and the correlation coefficient, and can discover potential risks in time and generate an early warning identifier; the anomaly detection and evaluation module dynamically analyzes the water pressure data and the early warning identifier to provide an accurate fire hydrant anomaly risk evaluation strategy scheme; the path analysis module accurately judges an abnormal propagation path by analyzing the abnormal index gradient Gxy (t) of the adjacent fire hydrants, and reveals a potential regional problem; according to the method, the effective regional exception handling strategy is generated and executed immediately, the response speed and the decision-making ability are enhanced, and particularly, when regional or systematic problems are handled, early warning can be performed in advance, and optimal countermeasures can be taken.

A modular fence system is disposable into a freestanding enclosure on a supporting surface without the use of any tools and includes a fence panel assembly having a plurality of fence panels each having a frame with a plurality of fence slats mounted therein. A plurality of fence support units each have a frame interface and a frame support. Each frame interface is disposable between adjacent fence panels and each frame support is positionable into a freestanding relation with the supporting surface. A plurality of toggle clamps are disposable between a disengaged configuration for positioning around portions of adjacent fence panels and / or interfaces disposed thereinbetween, and a releasably secure engaged configuration to maintain the frames of adjacent ones of the plurality of fence panels and the frame interface operably disposed thereinbetween in an interconnected freestanding configuration.

A portable water dispensing station includes: a housing; internal water supply pipework plumbed to supply water from an externally accessible water inlet coupling at the housing to one or more water dispensing outlets arranged at different points about the housing; two coaxially spaced apart transport wheels mounted near a bottom face of the housing to protrude from the bottom face such that the unit can be wheeled towards / away from a stand surface on which the unit is to be deployed in use; and a base for supporting the housing on the stand surface, with at least two base flaps permanently hinged on opposite sides of the housing for deployment between a stored position in which the base flaps extend about parallel to the respective housing sides and a self-arrestable fully deployed position extending substantially perpendicular to the respective housing sides and abutting on the stand surface.

A method for manufacturing a nozzle cap, the method including attaching an antenna printed circuit board (“PCB”) strip to an inner cover surface of an antenna cover; and inserting the antenna cover into a scallop defined by a circumferential wall of a cap body to position the antenna PCB strip between the antenna cover and the circumferential wall, the circumferential wall defining an outer wall surface, the antenna cover covering the scallop, the scallop extending radially inward into the circumferential wall relative to a first portion and a second portion of the outer wall surface, the scallop circumferentially positioned between the first portion and the second portion of the outer wall surface.

A silt and debris catching apparatus comprises a housing component and a catchment component. The housing component is adapted to fit within a valve box assembly at a depth below a freeze line. The housing component has a field-installable second handle. The catchment component is coupled to the housing component and includes a filter. The filter retains material that enters the valve box assembly.

The utility model discloses a pressure-adjustable fire hydrant which comprises a hydrant body, a plurality of outflow pipes are arranged on the outer side of the hydrant body, sealing covers are arranged at the ends of the outflow pipes, a first circulation hole and a second circulation hole are formed in the inner side of the hydrant body, an installation table is arranged in the first circulation hole, and a connecting rod is arranged on the installation table in a sliding mode. A first circulation hole is formed in the arc-shaped sliding guide face, a second circulation hole is formed in the second circulation hole, a sealing piece used for controlling the communication state of the first circulation hole and the second circulation hole is arranged in the second circulation hole, and the sealing piece is fixed to the connecting rod. The bolt body, the connecting rod, the sealing piece and the adjusting piece are arranged, and the abutting position of the connecting rod and the arc-shaped sliding guide face is changed by rotating the rotating piece; and the elastic force of the first spring on the connecting rod can control the relative position of the sealing piece in the hydrant body so as to control the circulation amount of fluid between the second circulation hole and the first circulation hole, so that the pressure of the fluid flowing out of the pipe is adjusted.

The invention relates to the technical field of fire fighting equipment, and aims to solve the technical problem that conditions such as water stealing, water stealing, collision or damage cannot be recognized. In order to solve the technical problem, the invention provides an intelligent monitoring system, a fire hydrant and an intelligent monitoring method. The device comprises an intelligent blank cap; the intelligent assembly comprises a PCB (Printed Circuit Board), a positioning system for acquiring the geographic position of the fire hydrant and a battery for providing a power supply; the positioning system is electrically connected to the top of the PCB; the vibration monitoring assembly comprises two middle connecting parts and a vibration sensor; the end part of the middle connecting part is connected with the fire hydrant; a pressure sensor of the valve core assembly is used for monitoring a pipe network water pressure signal of underground water of the fire hydrant; the working condition of the fire hydrant is judged to be normal, water outlet, collision or water stealing through the water pressure signal and the vibration signal. According to the water pressure signal and the vibration signal, whether the pipe network water pressure of underground water of the fire hydrant is normal or not and the working condition of the fire hydrant can be monitored.

Disclosed is a tape measure which includes a first housing module including a first housing providing a spring space on one side, a rotational shaft mounted rotatably on the first housing, a spring located in the spring space, the spring coupled to the first housing by one end and coupled to the rotational shaft by the other end, and a first cover covering the spring space, an installable bobbin rotatably mounted around the rotational shaft while being in close contact with the rotational shaft or the first cover of the first housing module is wound, and a second housing module including a second housing assembled with the first housing and a power transmission part for transmitting the rotation of the rotational shaft to the bobbin, wherein the first housing, the spring, the rotational shaft, the power transmission part, and the bobbin are mechanically connected when the bobbin is installed onto the first housing module and the second hosing module is assembled to the first housing module.

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.

A water valve manipulation device includes a socket wrench that has a shaft which is elongated to a length of at least 2.0 meters. The socket wrench can be extended down an access conduit to engage a test whip on a buried water line to facilitate a worker standing on the ground to manipulate the test whip. A gear box is attached to the socket wrench and the gear box has an output shaft that is oriented perpendicular to the socket wrench to engage a corporation valve on the water main. An input shaft is attached to the gear box such that the input shaft drives the gear box when the input shaft is rotated. The input shaft has a length sufficient to expose the engaging knob when the socket wrench is extended down the access conduit thereby facilitating the worker standing on the ground to close the corporation valve.

The utility model discloses a buried fire hydrant. The buried fire hydrant comprises a buried shell and a pop-up mechanism, an auxiliary shell is arranged on the right side of the buried shell, the bottom wall of the buried shell is rotationally connected with a stud through a bearing, the lower end of the stud is in threaded connection with a lifting seat, and a fire-fighting pipe is arranged at the left end of the lifting seat; the pop-up mechanism comprises a hollow rod, a sliding rod, circular rings and a spring, the hollow rod is rotationally connected to the bottom wall of the auxiliary shell through a bearing, the sliding rod is slidably connected into the hollow rod, the circular rings are arranged on the outer sides of the hollow rod and the sliding rod, the spring is arranged between the circular rings, and the spring is movably connected with the outer sides of the hollow rod and the sliding rod in a sleeving mode; the front end and the rear end of the upper side of the buried shell are hinged to a first top cover through evenly-distributed hinges. According to the buried fire hydrant, the hand wheel can be popped up to the position above the ground by a certain height through the elastic element, the hand wheel can apply rotating torsion conveniently, and firefighters can move the buried fire hydrant to the position above the earth surface without needing to conduct operation on the ground.

The utility model belongs to the technical field of fire hydrants, and particularly relates to a fire hydrant with a detection mechanism, which comprises a fire hydrant body and a detection device, and the fire hydrant body comprises a hydrant body, a valve seat, a valve rod, a valve clack, a water receiving channel and a pressure release valve. The hydrant body is connected with the water receiving channel, the valve seat is arranged in the hydrant body, one end of the valve rod is connected with the valve clack and used for driving the valve clack to be close to or away from the valve seat, and the pressure release valve is arranged on one side of the hydrant body and located above the valve seat. The detection device is arranged on one side of the fire hydrant body, one end of the detection device is connected to the water receiving channel, the other end of the detection device is connected to the hydrant body, and the valve seat and the pressure release valve are located between the two connecting points. In the detection process, no water flow is left on the ground, the water flow is prevented from splashing to detection personnel or affecting roads, meanwhile, the specific water flow condition in the detection device can be observed, the situation that a water receiving channel is only filled with gas is avoided, and the situation that the rescue progress is affected due to detection errors of a traditional pressure gauge is avoided.

A water valve manipulation device includes a socket wrench that has a shaft which is elongated to a length of at least 2.0 meters. The socket wrench can be extended down an access conduit to engage a test whip on a buried water line to facilitate a worker standing on the ground to manipulate the test whip. A gear box is attached to the socket wrench and the gear box has an output shaft that is oriented perpendicular to the socket wrench to engage a corporation valve on the water main. An input shaft is attached to the gear box such that the input shaft drives the gear box when the input shaft is rotated. The input shaft has a length sufficient to expose the engaging knob when the socket wrench is extended down the access conduit thereby facilitating the worker standing on the ground to close the corporation valve.

The invention discloses a temperature control anti-freezing device for a fire hydrant. The temperature control anti-freezing device comprises a temperature acquisition module, a control module, a heating module, a power supply module and an alarm module. The temperature acquisition module adopts three PT1000 platinum resistor temperature sensors which are respectively arranged at the water inlet end, the middle section and the fire hydrant interface section of a pipeline, monitors the temperature of each area in real time and transmits the temperature to the control module through a shielding signal line. The control module is based on an STM32F407 microcontroller, dynamically adjusts PWM output through a PID algorithm, and controls the flexible silica gel heating belts arranged in the heating module in a partitioned mode to work. The power supply module adopts a mains supply and a lithium battery to supply power, and when the voltage of the mains supply is lower than 198V, automatic switching is realized. And the alarm module triggers sound-light alarm when the temperature is abnormal and wirelessly transmits an alarm signal through LoRa. According to the device, through distributed temperature monitoring, partitioned precise heating and an intelligent temperature control algorithm, freezing of fire fighting water is effectively prevented, and pipeline damage caused by local overheating in a traditional scheme is avoided.

An actuation mechanism for a water dispenser having a housing includes a push bar exposed through an opening of the housing and configured for user engagement, and a hinge mechanism pivotably mounting the push bar on the housing to be pivotable between a rest position and an activation position, where the push bar is pivoted to engage an activation member of the dispenser, and a service position, where the push bar permits access to an internal component of the dispenser through the opening. The hinge mechanism includes hinge arms connected to the push bar and a hinge connection configured for connecting the hinge arms to the housing to permit pivoting of the hinge mechanism and the push bar. The push bar may include a face piece for user engagement and a reinforcing piece behind the face piece that has greater strength and / or stiffness than the face piece.

The present invention discloses a valve assembly comprising a seat ring, a valve plate assembly movable between a sealed position within the seat ring and an open position outside the seat ring. A fitting can pass through the valve plate, and / or a sensor assembly can extend through the fitting with a sensor mounted below the valve plate assembly. The sensor assembly provides enhanced monitoring capabilities by being positioned in the incompressible fluid column below the valve plate assembly, ensuring accurate sensing of relevant parameters. This configuration allows for efficient and reliable operation of the valve assembly, enhancing its performance and functionality in various applications.

The invention provides a vertical shaft type water inlet and outlet gate system of a pumped storage power station, and belongs to the technical field of water conservancy safety control. Comprising a cylindrical gate, a closed shaft, a trash rack section, a diffusion section, a straight pipe section, a bent pipe section and a tunnel section which are sequentially arranged on the cylindrical gate vertical shaft type water inlet and outlet in the power generation water flow direction. One end of the trash rack section is a horn mouth section, the trash rack section is provided with a cover plate, a diversion pier and a trash rack, and the lower portion of the cover plate of the trash rack section is connected with the diversion pier; digging a hole in the center of the cover plate; the trash rack is provided with an orifice serving as a water inlet / outlet orifice; a diversion tunnel is connected behind the bent pipe section; the gate is a cylindrical gate and arranged above the water inlet and outlet, the gate is vertically communicated, the bottom of the gate is fixed to the inner surface of the horn mouth section concrete, the top of the gate is fixed to a cover plate of the trash rack section, and the periphery of the gate is fixedly connected with a closed shaft through a diversion pier wall. The construction difficulty can be reduced, and the maintenance convenience degree can be improved.

The invention relates to the technical field of water making machines, and particularly discloses an air water making machine and a water making method.The air water making machine comprises a machine body, an air moisture absorption and dehydration unit is installed in the machine body and comprises a rotatable dehumidification rotating wheel, and the two sides of the dehumidification rotating wheel are each provided with a first partition plate and a second partition plate; the first partition plate and the second partition plate are both provided with corresponding air dehumidification openings, the first partition plate is further provided with a dry and hot air inlet, and the second partition plate is further provided with a wet air outlet communicated with the dry and hot air inlet. A heating and condensate water producing unit is arranged at the lower end of the air moisture absorption and dehydration unit, and a water tank is arranged at the lower end of the heating and condensate water producing unit; a water purification unit communicated with the water tank is arranged on one side of the machine body; according to the air water maker and the water making method, it can be guaranteed that air keeps high humidity during water taking through condensation, the water taking efficiency is improved, and meanwhile under the effect of the heating and condensate water making unit, the air water maker is more energy-saving compared with a traditional water maker.

An infrastructure monitoring assembly includes a nozzle cap defining an internal cavity; an antenna positioned at least partially external to the internal cavity; and the antenna covered with a non-metallic material. An infrastructure monitoring assembly includes a nozzle cap defining a first end and a second end, the first end defining a threaded bore configured to mount on a nozzle of a fire hydrant; a cover coupled to the nozzle cap opposite from the first end; an enclosure positioned at least partially between the cover and the first end, the enclosure at least partially defining a cavity; a monitoring device positioned within the cavity; and an antenna positioned between the cover and the first end of the nozzle cap, the antenna connected in electrical communication with the monitoring device, the antenna covered by a non-metallic material.

This invention relates to the technical field of fire hydrants and discloses an intelligent fire hydrant with water consumption monitoring function, comprising: a hydrant end cap at the upper end of the hydrant body assembly, and an equipment assembly installed inside the hydrant end cap; a transparent detection window on the hydrant body assembly, a rod inside the transparent detection window, a central rotating shaft installed on the inner side of the transparent window assembly, and a rotating scraper on the central rotating shaft; the rod can detect the water level in the hydrant body in real time, and the rotating scraper can clean the dirt on the surface of the transparent window assembly; this invention, through the coordinated linkage structure of the float, rod, and float plate inside the transparent detection window, combined with the visual observation slot design of the transparent window assembly, realizes real-time accurate monitoring and intuitive visual feedback of water consumption in the fire hydrant, effectively solving the technical pain points of traditional fire hydrants lacking convenient monitoring methods and having difficulty in accurately controlling water consumption.

The utility model discloses a quick emptying large-caliber fire hydrant which comprises a hydrant body, a valve rod is arranged in the hydrant body, the top of the valve rod is connected with a top cover, the lower end of the valve rod is connected with a valve element, a valve seat is connected to the inner wall of the lower portion of the hydrant body, a water inlet is formed in the middle of the valve seat, and the circumference of the valve seat is connected with the inner wall of the hydrant body in a sealed mode. The valve element penetrates through the water inlet of the valve seat, is located below the valve seat and is used for being in sealing fit with the water inlet. A water drain pipe is arranged in the hydrant body, one end of the water drain pipe is a conical opening which is gradually enlarged upwards, the other end of the water drain pipe penetrates through the wall face of the hydrant body to be communicated with the outside of the hydrant body, the conical opening is arranged upwards, the upper end of the conical opening is lower than a soil freezing line, and a sealing cone used for being inserted into the conical opening in a sealed mode is connected to the valve rod. When the valve rod moves downwards and the valve element is separated from the water inlet, the sealing cone is inserted into the conical opening downwards. When the valve rod moves upwards and the valve element is in sealing fit with the water inlet, the sealing cone moves upwards to be separated from the conical opening.

The invention relates to the technical field of fire-fighting valves, in particular to a fire-fighting valve and a fire hydrant convenient to use, which comprise a hydrant body and a valve body in flange connection with the upper side of the hydrant body, a water inlet communicated with the hydrant body is formed in the bottom of the valve body, and a valve plate for opening and closing the water inlet is movably arranged in the valve body. A rubber sealing piece in close contact with the upper side of the water inlet is fixedly arranged at the bottom of the valve piece, the valve piece and the rubber sealing piece are controlled to ascend and descend through the first rotating mechanism, and due to the fact that the rubber sealing piece has the elastic deformation effect, the rubber sealing piece and the ball plug can plug the water inlet, and preliminary sealing of the water inlet is achieved. In cooperation with rotation of a third rotating mechanism, on the basis that the rubber sealing piece blocks the water inlet, the four supporting rods continue to downwards push the periphery of the rubber sealing piece to tightly abut against the periphery of the upper side of the water inlet, and the blocking sealing performance of the outer edge of the water inlet is further enhanced; and the water cover can be rotated by rotating the hand lever, so that the water guide port can be quickly switched to the corresponding water outlet valve port for discharging water.

A hydrant (10) comprising an upper part (14) provided with at least one connection (16) and a lower part (22) which has a connection (24) for an inlet pipe (26), a riser pipe casing (42) and a riser pipe (44) guided in the riser pipe casing (42) and supporting the upper part (14), which is movable out of the riser pipe casing (42) and can be positioned at different heights relative to the riser pipe casing (42), characterized in that at least one threaded area (52a, b) extending in a strip shape both in the longitudinal direction (L) and in the circumferential direction (U) of the riser pipe (44) is arranged on its outer circumferential side (50), that at least one threaded engagement (76) held on the riser pipe casing (42) engages in the at least one threaded area (52a, b) to determine a height setting of the riser pipe (44) relative to the riser pipe casing (42), and that a Twisting the riser pipe (44) with the at least one threaded section (52a,b) and the at least one threaded engagement (76) relative to each other enables a height adjustment of the riser pipe (44) relative to the riser pipe shell (42).

A freeze resistant wall hydrant including an outdoor housing joined to the outer end of an outlet tube for securing to a building and a fitting joined to the inner end of the outlet tube for coupling to a water supply. The fitting includes a fluid closure valve having a valve part movable between first and second positions for closing and opening the valve. A stem extends through the outlet tube and has an outer end coupled to a handle of the outdoor housing and an inner end coupled to the valve part. The handle moves the valve part to close and open the valve. The outlet tube and the stem can each be made from a cross-linked polyethylene or flexible plastic to facilitate installation of the wall hydrant. Methods for using or resizing the wall hydrant are provided.

Example aspects of an outer housing for a pressure monitoring system and a pressure monitoring system for a wet barrel hydrant are disclosed. The outer housing for a pressure monitoring system can comprise a sidewall shell defining an axis extending centrally therethrough and comprising an annular inner sidewall projection extending from a top end thereof; and a cap mounted to the sidewall shell, the cap defining an annular cap recess, wherein the annular inner sidewall projection is configured to engage the annular cap recess.

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.

To solve the problem of not being able to supply water to affected areas and to provide victims with fresh water when roads are cut off in the event of a disaster.SOLUTION: A fresh water supply device comprises a device that lifts and pulls a hose from the ground to lay the hose on roads, rivers, or debris, and a device to control directions.SELECTED DRAWING: Figure 1