29results about "Level indicators by dip members" patented technology

Methods, apparatus, and systems for determining a level of a liquid in a liquid-containing vessel are disclosed. The liquid-containing vessel may be fluidically connected to a displacer cage. The method may include obtaining, with a load measurement device, a weight force of a displacer suspended from the load measurement device and disposed within the displacer cage. The method may also include submerging the displacer into the liquid and obtaining, with the load measurement device, a net force acting on the displacer. The method may further include obtaining, with a liquid density measurement sensor disposed within the displacer cage, a liquid density at a first location of the liquid. The method may still further include determining, using, at least, the net force and the liquid density at the first location of the liquid, the level of the liquid in the vessel.

The utility model relates to a kind of smooth recovery device of electric water level gauge measuring scale, including winding reel, ratchet wrench, support, fixed hole, screw, measuring scale outlet, measuring scale, measuring scale probe, shell.Electric water level gauge in the recovery measuring scale process will occur the condition that measuring scale is stuck in the outside of winding reel, this condition can lead to two problems of instrument abrasion aggravation and operation efficiency reduction;Using this device, it can be conveniently fixed to electric water level gauge, quickly complete electric water level gauge wire winding work, improve hydrological observation work efficiency, it is practical equipment with remarkable effect.

A test dipstick for sealing an engine outlet during an engine oil leak test includes a shaft extending along a central axis and having a first end opposite a second end. A tip engages with the first end and has multiple sealing features configured to seal to the engine when the dipstick is placed inside the outlet. A handle is connected to the second end. The handle has a base and a grip extending from the base, the base abutting against the engine when the dipstick is placed inside the outlet. The test dipstick includes multiple additive layers, each of which is parallel to each other and each of which is angled relative to the central axis.

The utility model discloses a kind of aluminum electrolytic cell comprehensive measurement auxiliary trolley, specifically related to electrolytic cell measurement technical field, including frame, magnetic resistance box and wheel installed below frame, frame includes top frame, four columns, horizontal steel ruler, vertical steel ruler and support piece, four columns are all vertically fixedly connected with top frame, horizontal steel ruler and support piece are all fixedly installed on top frame, measurement iron rod taken out from the aluminum outlet of aluminum electrolytic cell can be placed on support piece, and the data of electrolyte level and aluminum level are obtained by horizontal steel ruler;Vertical steel ruler is fixed on a column, and the data of pole distance of electrolytic cell can be obtained by vertical steel ruler, and measurement iron rod taken out from the aluminum outlet of aluminum electrolytic cell can be placed on support piece;Magnetic resistance box is fixedly arranged on frame, and millivoltmeter is placed in magnetic resistance box. The utility model can simplify measurement procedure, efficiently collect aluminum electrolysis related data, reduce artificial cost, and improve measurement efficiency.

The utility model discloses a kind of electronic water gauge and pressure sensor fusion's waterlogging monitor, waterlogging monitor includes water level sensor, 4G wireless communication circuit, LED light window, first connecting line, second connecting line, battery compartment, PCBA board, 4G SIM card, bluetooth circuit, MCU core circuit, inclination sensor, pressure sensor, power threading hole and circuit board fixing column, wherein, electronic water gauge circuit, GNSS positioning circuit, 4G wireless communication circuit, 4G SIM card, bluetooth circuit, MCU core circuit, inclination sensor and pressure sensor are all built-in on PCBA board, water level sensor is used to measure the water level in real time in measurable range, pressure sensor gathers current water pressure or air pressure, both are combined to be used to judge whether current position water level meets requirements. The waterlogging monitor of this kind of electronic water gauge and pressure sensor fusion realizes the water level data of real-time measurement by the data of current water pressure or air pressure to be corrected and handled to obtain more accurate water level information.

Water level monitoring device, characterized in that the device comprises: a guide rail structure arranged in the water to be measured with a preset inclination, a sliding block support platform slidably attached to the guide rail structure, a pressure sensor fixedly mounted on the sliding block support platform, a servo drive module, a position measuring module and an intelligent control module.wherein the first end of the guide rail structure is positioned above the water body to be measured and the second end of the guide rail structure is fixed at a preset vertical height above the underside of the water body to be measured; wherein the servo drive module serves to move the sliding block support platform along the guide rail structure; wherein the position measurement module serves to measure the first distance between the sliding block support platform and the second end of the guide rail structure; wherein the intelligent control module serves to control the servo drive module on the basis of the real-time pressure data from the pressure sensor so that the pressure sensor in the water body to be measured maintains a preset pressure value, and to calculate the water level of the water body to be measured based on the preset slope, the first distance, the preset vertical height and the preset pressure value.

The utility model relates to water level monitoring technical field, proposes a kind of river and lake water level monitoring device, including measuring plate, still including measuring frame, connecting plate, auxiliary mechanism, connecting piece, transmission rod, transmission roller, protective box, fixed bracket, cleaning roller, first bevel gear and second bevel gear, measuring frame is slidably connected in measuring plate side, four groups of connecting plate are installed in measuring frame outer side, and connecting plate side is provided with auxiliary mechanism, connecting piece is installed in four groups of connecting plate inner side, and connecting piece inside rotationally connected has transmission rod, transmission rod outer surface is installed with transmission roller, connecting piece outer side is installed with protective box, and transmission rod outer surface is penetrated in protective box, and fixed bracket is installed in protective box side. By the above technical scheme, to solve the problem that operator is difficult to clean measuring plate after adhering dirt in the prior art, leads to long time use and is prone to difficult reading condition.

This utility model relates to the technical field of hydrological monitoring equipment and discloses an integrated solar-powered low-power water level measuring instrument, including a measuring rod and a support mechanism. A measuring scale is fixedly connected to the outer side of the measuring rod, and a detection mechanism is fixedly connected to the top of the measuring rod. A sensing mechanism is slidably connected inside the measuring rod. The detection mechanism includes a housing, the bottom of which is fixedly connected to the top of the measuring rod. A protective shell is threaded onto the outer side of the housing. A battery circuit board is fixedly connected to the inside of the housing by screws, and a main control chip is fixedly connected to the inside of the housing by spot welding. A mounting shell is fixedly connected to the bottom of the measuring rod. In this utility model, the pressure sensor of the main control chip is directly connected to the host, avoiding signal attenuation. By eliminating intermediate transmission links, signal attenuation and electromagnetic interference are avoided, ensuring accurate and stable water level data. The circuit structure is also simplified to reduce the risk of failure.

This invention discloses a method for measuring water depth on construction platforms in flowing water areas. The method is rationally designed and effectively solves the problem of water depth measurement (riverbed scour measurement) in construction platform areas of flowing water. It uses a transducer protection mechanism for the depth measurement of the guide pipe monitoring hole, ensuring the safety of instrument operation. The use of a shoulder bag and handcart for transporting the depth sounder saves manpower and reduces labor intensity. The use of a high-precision depth sounder significantly improves measurement accuracy. Water depth measurement can be completed simply by placing the transducer into the water, without direct contact with the underwater riverbed surface, thus improving measurement efficiency compared to traditional manual depth measurement methods. The method is convenient to operate, and the transducer is not easily damaged.

The utility model relates to a kind of quick deployment low-power intelligent luminous water gauge for water conservancy monitoring, including display unit, power supply unit and signal acquisition unit, its technical key points are: display unit includes rectangular water gauge shell, anti-UV acrylic transparent panel, UV printing layer, acrylic laser dotting light guide plate, ESR reflective film, LED lamp strip, power supply unit includes the control module of being built into the rear portion of rectangular water gauge shell, and the electric core and wireless charging receiving module connected with control module, signal acquisition unit includes the non-contact liquid level sensor connected with control module, light sensor and control master switch, the non-contact liquid level sensor includes the upper limit body and lower limit body on the upper and lower ends of rectangular water gauge shell rear portion, light sensor and control master switch are fixed on the top surface of rectangular water gauge shell.This water gauge has the advantages of being able to be installed quickly, self-powered, and clearly and intuitively displayed, and can meet the actual needs of flood prevention emergency monitoring.

This utility model discloses a water level probe with an alarm function, including a measuring rod. A positioning sleeve is slidably connected to the surface of the measuring rod. The positioning sleeve has a height adjustment structure inside and an automatic reading structure on its surface. A water level alarm structure is provided at the bottom of the measuring rod. This utility model provides a water level probe with an alarm function. By setting up an automatic reading structure, when observing data, the distance to the positioning plate is first measured using a laser rangefinder. This is used as the first observation data. By rotating a knob in conjunction with a shaft, a friction wheel is driven to rotate. Simultaneously, the friction wheel rotates, allowing the measuring rod to slide up and down inside the positioning sleeve until the bottom of the probe contacts the water surface. The distance to the positioning plate is then observed using a laser rangefinder. The difference between the two distances is the change in water level. This effectively reduces the workload of operators and increases measurement accuracy.

The application discloses a kind of far distance handheld amphibious clearing and cleaning device for hydrological gauge, including water pump, third water pipe and disc motor, the first water pipe and second water pipe are fixedly connected on the water pump, the battery is electrically connected on the water pump;One end of the second water pipe is detachably connected on third water pipe, the end of the third water pipe close to the second water pipe is fixedly installed with the switch electrically connected with the battery, the end of the third water pipe away from the second water pipe is connected with cleaning cylinder, the cleaning cylinder is provided with water distribution groove, and a plurality of spray heads are fixedly connected on the groove wall of the water distribution groove.The beneficial effects of the present application are: portable, easy to transport, simple operation, amphibious, cleaning and clearing simultaneously, completely solve the problem of reading error caused by traditional hydrological gauge dirt blockage, debris blockage, monitoring failure, and ensure accurate and efficient hydrological monitoring.

This utility model discloses a water level measuring device for water conservancy projects, including a vehicle body, a support frame, a winding assembly, a balancing stabilizer, and a controller. The support frame is fixedly installed at the center of the vehicle body. The winding assembly is installed on the support frame and extends to the right outside the vehicle body. The balancing stabilizer is installed on the left side of the support frame. The controller is installed on the balancing stabilizer to control the energized operation of the winding assembly. This utility model uses a submerged head to contact the riverbed. Upon receiving a bottom-touching signal, the controller stops the servo motor. The water depth is then determined based on the submersion length of the measuring rope, thus achieving measurement. During operation, the balancing stabilizer balances the weight of the winding roller, maintaining vehicle stability. This results in a device with better operational stability, improved operational safety, and a more balanced and stable structure.

The invention relates to a leveling gauge (1) for the creation of a concrete screed made on a substrate, said leveling gauge (1) comprising a rod (2), a base (3), located in the lower part of the rod (2) and intended to come into contact with the substrate, the rod (2) being integral with said base (3) and a level indication member (4), movable along the rod (2) and held on the rod (2) at any height along said rod (2) so as to constitute a visual reference of adjustable height. According to the invention, the rod (2) has a cylindrical shape, one end of which has a thread (2a) engaged by screwing into a tapped hole (6a) provided in the base (3), the level indicator member having at least one retaining clip (5, 16, 12, 14) elastically deformable to allow engagement on the rod (2), sliding and holding in position of the level indicator member (4) on the rod (2).Figure for the abridged version: Fig 1.

The utility model relates to the technical field of soil and groundwater remediation, disclose a kind of production park groundwater level gauge, including base, the top of the base is fixedly connected with support, the inside of the support is provided with detection mechanism, the top of the support is provided with adjusting mechanism;The inside rotationally connected of the support has shaft, the outer wall of the shaft is fixedly connected with wire reel, the outer wall of the wire reel is provided with cable, one end of the cable is fixedly connected with pressure sensor, the outer wall side of the cable is provided with scale line, the right end of the support is rotatably connected with handlebar.In the utility model, the cable is lowered, so that the pressure sensor at the end is completely immersed in water, when the cable is lowered to the target position, the cable length is fixed, the pressure sensor calculates the thickness of the upper water layer, the difference between the cable length and the thickness of the upper water layer of the pressure sensor is used to calculate the groundwater level value in real time.

This utility model discloses a water level measuring device, including a foam floating board, a protective frame, and a motor waterproof cover. The foam floating board has an opening in the middle, and water-blocking plates are fixed at its four corners. Wave-dissipating components are installed on all four sides of the foam floating board. L-shaped support columns are bonded to both sides of the opening in the middle of the foam floating board. A sliding cylinder is fixed between two sets of L-shaped support columns, and a measuring rod is connected to the sliding cylinder. A protective frame is fixed above the L-shaped support columns, and a motor waterproof cover is installed on one side of the protective frame. A transmission component is installed inside the protective frame. This water level measuring device, by using water-blocking plates and wave-dissipating components on all four sides of the foam floating board, can block and reduce water waves generated in rivers and lakes, keeping the water waves at the opening in the middle of the foam floating board calm, thereby improving the accuracy of water level measurement.

The utility model relates to water depth measurement technical field, concretely for water depth measuring device based on telescopic pipe, including support, support one end fixedly arranged with the sleeve pipe no.

This method for measuring the precipitate thickness of a brine pond comprises: a step for installing a pole in the brine pond, wherein the pole is provided in an upper portion with respect to the water surface of the brine pond and has two indicators spaced apart from each other by a predetermined distance in the height direction of the pole; a step for obtaining an image by photographing the pole of the brine pond by using a camera; a step for calculating a first distance from an end of the pole exposed outside the water surface of the brine pond to the water surface of the brine pond and a second distance between the two indicators on the basis of processing the image; a step for calculating the depth of the brine pond on the basis of the first distance, the second distance, the length of the pole, and the preset distance; a step for measuring the water depth of the brine pond by using a water depth measurement sensor; and a step for calculating the precipitate thickness of the brine pond on the basis of the calculated depth of the brine pond and the measured water depth of the brine pond.

The utility model discloses a kind of bearing water observation devices for geotechnical investigation, including rock-soil layer, rock-soil layer includes upper water-resisting layer and bearing water aquifer, and rock-soil layer is equipped with detection hole, and one end of detection hole is in upper water-resisting layer, further including sealing tube, water-resisting component and observation component, one end of sealing tube is connected with the inner bottom wall of detection hole, and there is gap between the outside wall of sealing tube and the inner side wall of detection hole, water-resisting component is arranged on sealing tube and is in upper water-resisting layer, for blocking water source in upper water-resisting layer upper portion, observation component is arranged in sealing tube, for driving water-resisting component to block water source in upper water-resisting layer upper portion, and it is observed water level in bearing water aquifer by being inserted into bearing water aquifer.The bearing water observation devices for geotechnical investigation are used to solve the problem that the water-resisting effect between existing technology drilling and water measuring steel pipe is not good in the background art, leading to the observation failure of bearing water layer.

The utility model discloses a kind of measuring devices for water conservancy and hydropower engineering belongs to measuring device technical field, its technical scheme main points include adjusting structure, the top of adjusting structure is fixedly connected with support structure, the outside of support structure is rotatably connected with water level gauge body, two fixed blocks are respectively arranged at the both sides of support structure bottom, the outside of fixed block is rotatably connected with the inside of support piece, the front side of support piece top is bolted with the bottom of rotating part, the inner wall of rotating part is rotatably connected with the bottom of adjusting rod outer wall, the outer wall of adjusting rod is rotatably connected with the inner wall of fixed block, in the water level measurement operation of existing water conservancy and hydropower engineering, traditional device is generally plane support frame, it is difficult to flexibly adjust inclination angle, when facing different gradient river bank or dam, cannot conform to measuring surface, prone to angle deviation to lead to reading inaccuracy, affect the accuracy of measurement data.

The application discloses a hydrological water gauge cleaning state remote monitoring and operation and maintenance system based on Internet of Things and relates to the technical field of Internet of Things application, which comprises a data acquisition terminal arranged at a hydrological water gauge monitoring site and a remote monitoring and analysis platform in Internet of Things communication with the data acquisition terminal; the data acquisition terminal comprises a visual identification module configured to regularly shoot water gauge images, acquire water level visual readings, reading confidence and calculate image definition attenuation values; an auxiliary water level sensing module configured to acquire auxiliary water level readings not affected by water gauge surface dirt; and an environmental state sensing module configured to collect on-site illumination intensity and rainfall; the application solves the problem of high operation and maintenance cost caused by the inability to distinguish real dirt of the water gauge from environmental disturbances such as strong reflection and water ripples in the prior water gauge monitoring.

The application discloses an irrigation area water demand prediction device and method, relates to the technical field of irrigation area water demand prediction, and comprises a measuring column, a measuring mechanism is installed at the upper end of the measuring column, a marking mechanism is installed on one side of the measuring mechanism, a bottom frame is clamped at the lower end of the measuring column, support frames are fixedly connected to the front and rear parts and the two sides of the bottom frame, and stabilizing mechanisms are installed on the front and rear parts and the two sides of the bottom frame. The first gear plate in the measuring mechanism is used to drive the first adjusting pipe and the first adjusting rod to move, so that the measuring frame can be lowered and float on the water surface, the measuring frame is fixed through the anti-skid block, the water level height can be conveniently measured, the marking block moves together with the measuring frame in the measuring mechanism, the position of the measuring frame can be marked on the measuring column through the marking block, the water level height can be conveniently read and recorded, and errors are reduced.

The utility model discloses a kind of pull-out type stainless steel water gauges, it is related to water gauge technical field, including main ruler, the inside of main ruler is slidably connected with vice ruler, the inside of main ruler is provided with pull-out mechanism, the pull-out mechanism includes elastic steel sheet, telescopic chuck, extrusion camber, stretch card slot, shrink card slot, slide column, sliding slot, pull rod, first pull ring, the surface of elastic steel sheet is slidably connected with main ruler, the side end of telescopic chuck is fixedly connected with elastic steel sheet, the extrusion camber is opened in the side end bottom of telescopic chuck, the stretch card slot is opened in the side end bottom of vice ruler. The utility model is stretched by the top end of vice ruler to outside side, the positioning effect of stretch card slot and shrink card slot is utilized to chuck, so that the size of water gauge can be contracted when carrying, lengthen when using, so that while improving portability, the application range of the water gauge is widened.

This invention relates to an immersion-type gear oil tank level detection system and oil tank for mobile machinery. The detection system acquires the vibration acceleration of the oil tank through a vibration detection module, the tilt angle of the oil tank through a tilt angle detection module, and the distance from the center and the liquid level height through a liquid level detection module that can be set at any position on the surface of the oil tank cover. According to the formula, the oil volume of the gear oil tank at time i is calculated. When the vibration acceleration is greater than the threshold, the average oil volume measured within n vibration main frequency cycles is taken to filter out unnecessary high-frequency components, so as to obtain the actual oil volume. This solves the problem that the accuracy of liquid level detection and the unmeasurable liquid volume are affected by factors such as position changes and vibration impacts during the operation of mobile machinery. It improves the accuracy and effectiveness of liquid level detection and is applicable to the detection of gear oil tank levels in mobile machinery under more complex working conditions.

The application provides a water gauge water level monitoring method and monitoring system, and relates to the technical field of water level monitoring. Through the combination of macro water level information of the water gauge and micro water level information of the monitoring array, accurate monitoring of the water level is realized. The image is pre-processed to weaken the influence of weather on the collected image and improve the recognition accuracy; when the water gauge recognition is affected by the environment and the accuracy is reduced, the multi-point and real-time relative water level data provided by the monitoring array can be effectively supplemented and corrected. Especially when the water level changes sharply, the system can identify and start a more detailed monitoring process in time, and use the distributed data of the monitoring array to capture the details of the water surface fluctuation, so as to calculate a more accurate average water level. This multi-source information fusion and dynamic response mechanism effectively overcomes the limitations of single water gauge image recognition in harsh environments, and significantly improves the accuracy and reliability of water level monitoring.

This invention relates to the field of detection instrument technology, and more particularly to a multifunctional handheld water depth detector and its operating method. It comprises a depth sounding probe, a sounding rope, and a reel signal receiver. Its key features are: the depth sounding probe and the reel signal receiver are fixedly connected at both ends of the sounding rope; the sounding rope is made of hollow, transparent, and non-bending plastic material, with two copper wires on both sides and meter markings on its exterior from bottom to top; the sounding rope wires and outer sheath are fixedly connected to the reel signal receiver's roller, and the wires in the sounding rope are correspondingly connected to the wires in the reel; the sounding rope can be manually wound onto the reel signal receiver's roller; the lower end of the sounding rope is threadedly connected to the depth sounding probe. This invention provides a portable, simple-to-operate, multifunctional handheld water depth detector and its operating method that can accurately determine groundwater level, water depth, and well depth.

A test dipstick for sealing an exit port of an engine during an engine oil leak test includes a shaft extending along a central axis and having a first end portion opposite a second end portion. A tip portion is joined to the first end portion, the tip portion having a plurality of sealing features configured to seal to the engine when the dipstick is disposed within the exit port. A handle portion is connected to the second end portion. The handle portion has a base that abuts the engine when the dipstick is disposed within the exit port and has a grip portion extending from the base. The test dipstick comprises a plurality of additive layers, each of the plurality of additive layers parallel to one another, and each of the plurality of additive layers is disposed at an angle relative to the central axis.