14 results about "Level measurement" patented technology

The invention discloses an underwater leveling measurement control method and system and a leveling ship with the underwater leveling measurement control system. The method comprises the steps that S100, a tide gauge station is arranged near an engineering project point, and pressure sensors are arranged on the tide gauge station, oil cylinder supporting legs and a leveling hopper respectively; s200, the pressure of a pressure sensor in the tide station is measured, the water depth of a pressure measuring point is calculated, and the water depth is converted into the elevation; s300, the pressure of pressure sensors on oil cylinder supporting legs and the leveling hopper is measured, and smooth filtering processing is conducted on data; s400, the depth of an oil cylinder supporting leg is calculated, the stroke of the oil cylinder supporting leg is adjusted, and the leveling frame is leveled; s500, the depth of the leveling hopper is calculated, and the elevation of the leveling hopper is calculated according to the elevation calibrated in the tide station; and S600, the elevation of the leveling hopper is compared with the designed elevation, and the stroke of the leveling hopper is adjusted to the designed elevation. The gravel leveling elevation error does not exceed the design requirement, and the elevation of the leveling hopper opening of the underwater bottom-supported leveling frame is accurately measured.

Computing Apparatus for Real-Time Groundwater Level Measurement and Analysis

The invention relates to a measuring system for determining a filling volume of a filling material (4) in a container (3). To this end, the measuring system comprises a 3D camera (2) and a radar-based level measurement device (1). The 3D camera (2) is used to first capture at least one 3D image ([pi,j]) of at least one portion of the interior of an empty container. On the basis of this 3D image ([pi,j]), a data set or digital space model is created which represents the geometry of at least this portion of the interior of the empty container. In order to create the desired three-dimensional surface or level profile (L(a, #)), the level measurement device (1) is based on the digital beamforming principle, such as the MIMO principle. Thus, on the basis of the data set which reflects the geometry in the interior of the container and on the basis of the level profile (L(a, #)), the filling volume in the container (3) can be determined.

The invention relates to a method for level measurement, wherein a transmitter (3) emits measurement signals (6) in the form of electromagnetic radiation to measure the level in a container (2), a receiver (4) receives received signals (7), at least part of which is based on reflections of the measurement signals (6), the level in the container (2) is determined by evaluating the received signals (7), and an electromagnetic field generated by the transmitter (3) during the transmission of the measurement signals (6) forms a main lobe (8) directed towards the container (2), the opening angle (9) of which is less than 40°. According to a further aspect of the invention, a measuring device (1) suitable for carrying out this method is proposed. Furthermore, a measuring arrangement is proposed that is configured to carry out the method described above.

The invention discloses an underwater dynamic mud level measuring device and method based on a rotary encoder, and belongs to the technical field of water treatment equipment detection. The device integrates an initialization module, an angle acquisition module, a signal processing module, a mud level calculation module, a position adjustment module and a circulation self-inspection module. According to the method, reference parameter recording and threshold setting are completed through system initialization, the deflection angle of a baffle is collected and signals are transmitted when a sludge suction joist barrow moves, an effective angle is obtained through variable window filtering and abnormity elimination, the real-time sludge position is calculated in combination with geometric operation and a sludge density compensation algorithm, and then the measurement position is dynamically adjusted according to the sludge position. And cyclic measurement and abnormity monitoring are realized through regular recheck and report generation. According to the method, the defects that traditional measurement is prone to interference, low in precision and large in blind area are overcome, the stability and the automation degree of mud level measurement are improved, the method adapts to different operation working conditions of the sedimentation tank, and reliable data support is provided for refined mud suction control.

The utility model discloses a servo liquid level meter transmitter, and belongs to the field of liquid level measuring equipment. Dynamic data of liquid in a liquid container are measured through a measuring unit, and the dynamic data comprise floater change data and liquid change trend data; acquiring temperature data and pressure data of liquid in the liquid container by using an acquisition unit; performing temperature compensation based on the temperature data by adopting a processing unit, performing pressure compensation based on the pressure data, and generating a control instruction according to the dynamic data; and executing corresponding operation through an execution unit according to the control instruction. The temperature and pressure data are compensated through the processing unit, so that the influence of thermal expansion and cold contraction of liquid and density change on the measurement precision is solved, and the long-term stability is improved; according to dynamic data detected by the measuring unit, the processing unit is utilized to generate a control instruction based on the dynamic data, so that accurate multiple judgment on liquid level change is realized, and the accuracy and the reliability of measurement are improved.

The utility model relates to the technical field of groundwater survey, in particular to a groundwater level measuring and sampling device which comprises a leading-in cylinder, a tip is arranged at the bottom of the leading-in cylinder, a lower probe rod is arranged at the top of the leading-in cylinder, a water inlet unit is arranged on the cylinder wall of the leading-in cylinder, and the water inlet unit comprises a flow guide pipe and a V-shaped flow distribution plate. One end of the flow guide pipe arranged outside the guide-in cylinder is a closed opening; a strip-shaped water inlet hole is formed in the top of the outer end of the flow guide pipe; the interior of the guide-in cylinder is connected with a liquid sensor through a supporting plate. The device is simple in structure, the number of the lower probing rods can be freely matched according to actual needs, soil is shunted through the V-shaped shunting plate in the downward probing process, when the water level probe reaches the water level, a large amount of water enters the guide-in cylinder through the flow guide pipe, information is transmitted to the monitor after the water is sensed by the liquid sensor, misjudgment is prevented, and the water level detection efficiency is improved. Meanwhile, a certain amount of water sample can be retained in the guide-in cylinder.

A guided-wave level measurement system (10) for hygienic applications is provided. The system includes an electronics housing (16, 102) and system electronics (200) disposed within the electronics housing (16, 102) and configured to generate a radar signal. A probe (104) is coupled to the electronics (200) and includes a waveguide (144) configured to extend into a process vessel (14). A sheath (210) is configured to receive the probe (104) and extend into the process vessel (14).

The invention discloses a mechanical production well working fluid level prediction method. The method comprises the following steps that oil well static data, working fluid level measurement data and oil well real-time collection data are obtained; the oil well static data, the working fluid level measurement data and the oil well real-time collection data are preprocessed; electric parameter characteristic parameters and indicator diagram characteristic parameters are obtained through calculation based on the preprocessed oil well static data and the preprocessed oil well real-time collected data; performing dimensionless processing on the electrical parameter characteristic parameters and the indicator diagram characteristic parameters to obtain dimensionless characteristic parameters; calculating a Pearson's correlation coefficient and a Spearman correlation coefficient of each dimensionless characteristic parameter, and screening through the Pearson's correlation coefficient and the Spearman correlation coefficient to obtain a working fluid level correlation characteristic parameter; and processing the working fluid level related characteristic parameters through the working fluid level online prediction model to obtain a working fluid level prediction value of the mechanical production well. According to the method for predicting the working fluid level of the mechanical production well, the working fluid level prediction precision is improved, and subtle changes of the production process can be sensed in an all-weather, all-parameter and whole-process mode.

1. Name of the product in this design: Drill Level. 2. Purpose of this design: For level measurement when drilling with water drills and electric drills. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This utility model relates to the technical field of water level measurement devices, specifically a groundwater level measurement device, including a fixed frame, a rotatable reel on the fixed frame, a graduated rope connected to the reel, a fixed rod connected to the other end of the graduated rope, an installation cylinder fixedly mounted at the bottom of the fixed rod, a detection chamber inside the installation cylinder, a detection probe fixedly mounted inside the detection chamber, a float mounted on the fixed rod, a sleeve fixedly mounted at the bottom of the float, the sleeve being fitted onto the installation cylinder with a height equal to the height of the installation cylinder, a locking block fixedly mounted above the float on the fixed rod, and the installation cylinder being lowered along the detection hole. The sleeve and installation cylinder protect the detection probe, preventing collision between the hole wall and the detection probe, and also preventing residual water from the hole wall from seeping into the detection chamber and contacting the detection probe, thus improving measurement accuracy.

1. The name of the design product: level. 2. The use of the design product: the rotating structure can ensure multi-angle measurement, and the design product is used for multi-angle measurement and level measurement. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: the A part enlarged view is a partial enlarged view in the perspective view 1, and the B part enlarged view is a partial enlarged view in the perspective view 2.

The present invention relates to a monitoring system (10) for a liquid circuit (C), preferably a water circuit, equipping an installation (T), designed to monitor the dose of a treatment product mixed with a treated liquid. This monitoring system (10) comprises, in particular: - consumption determination means (20), configured to determine a quantity of treated liquid, - a container (30), intended to contain said treatment product and equipped with level measurement means (40) configured to measure the level of said treatment product present in said container (30), and - analysis means (60), configured to estimate the dose of said treatment product mixed in said treated liquid, from the data obtained from said consumption determination means (20) and said level measurement means (40). Figure for the abstract: 1