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29 results about "Liquid height" patented technology

A two-stage slot distributor

ActiveCN224388721UFeed devicesLiquid heightMechanical engineering
The utility model relates to a distributor technical field discloses a two -stage tank type distributor, including bottom plate, install several interval distribution's liquid collecting tank on the bottom plate, and the liquid collecting tank is long strip, and several liquid collecting tanks gradually decrease from the middle part to both sides length, be equipped with the communicating cavity in the liquid collecting tank, the utility model discloses a device is installed in the filler tower, then through the bottom plate collection top liquid, when the liquid height of the bottom plate top is higher than the communicating hole, the liquid of the bottom plate top will enter the communicating cavity of the liquid collecting tank through the communicating hole, and through the liquid distribution hole of the bottom of liquid collecting tank will liquid into the liquid collecting cavity, again through the delivery pipe and transport to the top central of the disc, through the cone of the disc top can separate the liquid of the delivery pipe and transport, make liquid enter several guide vane groove on the even distribution platform, and realize the drainage through the guide hole of the guide vane groove bottom, because several guide holes of the disc bottom are evenly distributed, so that the liquid can be evenly distributed.
Owner:NANTONG JUNYUAN TECH COMPANY

Sensor Arrangements, Sensor Systems, and Methods for Determining Height of Liquids in Tanks

ActiveUS20250369791A1Machines/enginesLevel indicatorsLiquid heightTransducer
A sensor arrangement for measuring liquid height in a tank can include a base, a housing, a transducer, and a biasing device. The housing can contain the transducer and a controller. The controller can transmit an acoustic pulse from the transducer for measuring liquid height within the tank. The biasing device can bias the housing towards sensing engagement with a surface of the tank.
Owner:MOPEKA PRODUCTS LLC

level transmitter

ActiveCN310074732SLiquid heightMechanical engineering
1. The name of the design product: liquid level transmitter. 2. The use of the design product: for measuring and transmitting the volume, liquid height, weight, etc. of liquid. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:郭伟

Liquid level meter and probe thereof

The invention relates to a liquid level instrument and a probe thereof, and the liquid level instrument probe comprises a mounting part which is used for being connected with a mounting port of an oil storage tank; the detection rod is connected with the mounting part and extends into the oil storage tank; and the plurality of first pressure sensors are arranged at different heights of the detection rod along the axis of the detection rod and are used for monitoring pressures at different heights. According to the liquid level instrument probe, the pressures of the oil storage tank at different heights can be detected, the oil liquid height and the water height can be calculated according to the detected pressures at the different heights, the volume of oil liquid in the oil storage tank can be accurately obtained, and metering management of the oil liquid is facilitated.
Owner:VEEDER-ROOT PETROLEUM EQUIP (SHANGHAI) CO LTD

Small portable water transparency detection device and detection method

PendingCN120703039ATransmissivity measurementsLiquid heightWater transparency
The invention provides a water transparency detection method, liquid transparency detection is carried out by using a tubular-column-shaped container, the bottom of the tubular-column-shaped container is provided with a light-emitting sheet, the light-emitting sheet emits detection light, and the side wall of the tubular-column-shaped container is provided with a light shielding plate; pouring liquid to be detected into the tubular-column-shaped container to a specified height; a shading plate and a photosensitive sensor arranged on the shading plate are arranged at the top of the tubular-column-shaped container; the photosensitive sensor sets a basic illumination intensity detection threshold value; after detection is started, the liquid to be detected in the tubular-column-shaped container slowly flows out of the bottom of the tubular-column-shaped container, and when the photosensitive sensor senses the detection light with the illumination intensity being the same as the basic illumination intensity detection threshold value, the liquid to be detected in the tubular-column-shaped container slowly flows out of the bottom of the tubular-column-shaped container; reading the height value of the residual liquid to be detected in the tubular-column-shaped container at the moment, and calculating the transparency of the water body according to the relation between the height value and the transparency of the water body.
Owner:CAPITAL GREINWORTH ENVIRONMENTAL CORP

A displacement testing device utilizing changes in liquid level

ActiveCN114046750BUsing fluid meansLiquid heightStructural engineering
The present invention relates to a displacement testing device that utilizes the change in liquid level elevation, and belongs to the field of civil engineering. A displacement testing device that utilizes the change in liquid level elevation includes a vertical pipe, a U-shaped sleeve, an elevation cavity, and a height change monitoring structure; the vertical pipe includes a vertical pipe A and a vertical pipe B, both of which are fixed to the upper pile and arranged along the length direction of the pile; the U-shaped sleeve is used to connect the vertical pipe A and the vertical pipe B, which is fixed to the lower pile, and its two ends are respectively plugged into the bottom ends of the vertical pipe A and the vertical pipe B, and the length of the plug-in part is greater than the displacement height of the load box; the elevation cavity is connected to the vertical pipe A and the vertical pipe B through a horizontal pipe; the height change monitoring structure is used to monitor the change in liquid level in the elevation cavity, thereby obtaining the displacement change value of the load box. The present invention has the following advantages: 1. It can accurately collect displacement data with high reliability; 2. The vertical pipe is inside the U-shaped sleeve, which can prevent liquid outside the sleeve from seeping into the sleeve, while ensuring that the vertical pipe can move freely up and down.
Owner:HUIZHOU HONGYE POWER CO LTD

A device for treating at least one liquid, comprising at least one vacuum column and a foam collector equipped with a gravity-fed drainage system operating by vacuum.

The invention relates to a device for treating at least one liquid comprising at least one vacuum column and a foam collector equipped with a gravity-fed drainage system operating by vacuum. The invention relates to a device for treating at least one liquid comprising: at least one vacuum column (54), at least one vacuum generator (52) configured to generate in operation a first height of liquid (H54) in the vacuum column (54), at least one foam collector (64), at least one drainage system (72) for the foam collector (64) comprising: at least one drainage conduit (76) connected to a drainage orifice (64.2) of the foam collector (64), at least one system for maintaining (80) a permanent liquid column of a second liquid height (H76) in the drainage conduit (76), the second liquid height (H76) being between the first liquid height (H54) and the first liquid height (H54) + 30% of the first liquid height.Figure 2.
Owner:COLDEP DEVEMENT

A refrigeration system having a refrigerant redundancy adjustment function

The application provides a refrigeration system with a refrigerant redundancy adjustment function, comprising a compressor, a liquid storage tank, a condenser, a first pipeline, a second pipeline and a pressure tapping pipe, one end of the first pipeline is communicated with the condenser, the other end is communicated with the inside of the liquid storage tank, liquid refrigerant in the liquid storage tank can be discharged to the second pipeline, one end of the pressure tapping pipe can introduce gas with the exhaust pressure of the compressor, the other end can introduce the gas into the liquid storage tank, the size of the exhaust pressure introduced through the pressure tapping pipe can control the change of the liquid height of the liquid storage tank, the higher the exhaust pressure of the compressor, the lower the liquid discharge height, the lower the exhaust pressure of the compressor, the higher the liquid discharge height. According to the application, enough refrigerant amount can be ensured to participate in the refrigeration cycle of the system under high frequency operation, less refrigerant amount can enter the system to participate in the cycle under low frequency operation, and the problem of refrigerant redundancy caused by the difference of the required refrigerant filling amount under different operation conditions of the fluorine pump compression refrigeration system is solved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI +1

Method for reducing shaking-shaking coupling of general core-level rocket core auxiliary storage tank

The invention provides a method for reducing oscillation-oscillation coupling of a general core-level rocket core auxiliary storage tank, which comprises the following steps: establishing a liquid oscillation damping characteristic calculation equation according to the structural characteristics of a rocket storage tank; according to the liquid shake damping characteristic calculation equation, the change rule of the liquid shake damping of the rocket core-level and boosting-level storage tanks along with the change of the equivalent liquid height of the storage tanks under the current rigid damping ring arrangement is obtained through calculation; and adjusting the position of a rigid damping ring of the booster liquid storage tank according to the obtained core-level storage tank liquid shake damping change rule, so as to reduce the shake-shake coupling superposition strength between the core level and the booster. By changing arrangement of the liquid rigid damping rings of different storage tanks, shaking peak value superposition caused by small damping area superposition between the damping rings is avoided, the influence of core-assisted storage tank liquid shaking coupling on the flight state of a rocket can be greatly reduced, and design and simulation of a subsequent attitude control system are facilitated.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST

Gas chamber trace leakage detection method

The invention discloses a gas chamber trace leakage detection device and method. The device comprises a multi-connection capillary tube, a gas chamber, a booster pump, a temperature detection structure, a pressure detection structure and a liquid level detection structure. The multi-connection capillary tube is provided with an air chamber tubular column and a pressurizing tubular column which are vertically arranged, and the lower end of the air chamber tubular column is communicated with the lower end of the pressurizing tubular column. And the multi-connection capillary tube is filled with liquid. And an air outlet of the air chamber is communicated with the upper end of the air chamber tubular column in a cuttable manner. And a gas outlet of the booster pump is communicated with the upper ends of the gas chamber tubular column and the booster tubular column in a cuttable manner. The temperature detection structure is used for detecting the gas temperature at the gas outlet. The pressure detection structure is used for detecting gas pressure at the gas outlet. The liquid level detection structure is used for detecting the height of liquid in the gas chamber tubular column. According to the invention, the pressure difference caused by trace gas leakage in the air chamber is linearly released by using the multi-connection capillary tube, so that quantitative monitoring of leakage is carried out, and accurate measurement of trace leakage is realized.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

Method for analyzing corresponding relation between plunger well lifting energy and liquid lifting height

The invention discloses a plunger well lifting energy and liquid lifting height corresponding relation analysis method. The method includes the steps that firstly, variable symbols and feature names are defined; 2, the production state of the plunger well is divided into a well closing critical state and a well opening critical state, and stress analysis is conducted on the plunger in the ascending stage; 3, three wellbore modes are established, three calculation methods between the plunger gas well lifting energy and the liquid lifting height are correspondingly obtained, and selection of the plunger well opening time is guided; according to different working conditions, the three wellbore modes are set as follows: in the first mode, formation gas-liquid supply is not considered, and no liquid is accumulated in an oil sleeve annulus; in the second mode, formation gas-liquid supply is not considered, and liquid exists in an oil sleeve annulus; and in the third mode, gas-liquid supply of the stratum is considered, and liquid exists in an oil sleeve annulus. The invention belongs to the technical field of oil extraction equipment lifting control, and solves the problem that in the prior art, the well opening time of a gas well plunger gas lift is difficult to determine, so that lifting liquid in the large-water-volume gas well plunger gas lift is prone to failure.
Owner:PETROCHINA CO LTD

Rapid mixing device for sealing agent

This utility model discloses a rapid mixing device for plugging agents, including an intake tank, a preparation tank, a liquid height enhancement module, an open-type dosing module, and a self-mixing pipeline. The self-mixing pipeline has an inlet port, an outlet port, and a dosing port. The inlet port is connected to the outlet of the liquid height enhancement module, the outlet port is connected to the preparation tank, and the dosing port is connected to the open-type dosing module. The inlet of the liquid height enhancement module is located inside the intake tank. This utility model can rapidly add plugging materials such as acid-soluble agents, walnut shells, fracture plugging agents, and high-fluid-loss agents. When downhole leakage occurs, it can quickly mix the plugging agent to seal fractures or leaks, prevent the loss of mud and drilling fluid, and ensure the smooth progress of drilling operations.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +1

An extraction centrifuge tube

This invention discloses an extraction centrifuge tube, the key technical features of which include a tube body, a plunger, a cap, and a switching valve. The plunger includes a plunger head and a plunger rod fixed to the top of the plunger head. The plunger is inserted into the tube body and can slide along the tube wall. The cap is detachably sealed at the top opening of the tube body, and a plunger hole is formed in the cap, through which the plunger rod passes. At least one liquid outlet is formed on the side of the tube body, with at least one of the outlets located in the upper half of the tube body. A switching valve is installed at each outlet. A through hole is formed on the bottom surface of the tube body, and when the plunger head is at its lowest position, all outlets are higher than the plunger head. This invention can be used as a centrifuge tube when the cap is sealed at the tube body opening. For stratified liquids, the experimenter can adjust the position of the plunger to change the liquid level in the tube body according to experimental needs, allowing the switching valve to release the desired upper or lower layer of liquid.
Owner:HENAN GUANGDIAN METROLOGY & TESTING CO LTD

Mechanical liquid level device

ActiveCN224004490ULevel indicators by floatsPull forceLiquid height
The utility model discloses a mechanical liquid level device which comprises a storage tank, an installation opening is formed in the storage tank, and a guide cylinder is installed in the installation opening. A guide wheel assembly is arranged at the top of the storage tank and comprises at least one guide wheel; the floater is located in the guide cylinder, and the buoyancy of liquid in the storage tank borne by the floater is larger than or equal to the gravity of the floater. According to the device, the guide wheel assembly is installed on the storage tank, the floater and the weight are placed at the two ends of the guide wheel assembly through the pull rope, when liquid is added, the floater moves up and down along an inner hole of the stainless steel pipe under the communicating vessel principle, and the soft rope moves up and down on the outer wall through rotation of the guide wheel under the pulling force of the weight; the height of the liquid in the tank can be determined through the height of the position indicated by the scale, the accuracy is high, and the floater moves in the guide cylinder and is not prone to turning over.
Owner:SHAANXI ZINC IND CO LTD

Liquid distribution mechanism for falling film evaporator and falling film evaporator

The liquid distribution mechanism comprises an evaporator body, a liquid distribution structure is arranged at the center of the upper end face of the evaporator body, and a falling film evaporator structure is arranged at the center of the lower end face of the evaporator body. The device has the beneficial effects that through the collaborative design of multi-stage flow distribution and sealing, ultrahigh uniform distribution of feed liquid is achieved, the liquid distribution structure is divided into a combined structure of the first liquid distribution frame and the second liquid distribution frame, positioning is achieved through accurate matching of clamping grooves and clamping blocks, and double fixing of limiting blocks and bolts is assisted, so that the liquid distribution structure is more uniform and reliable. The sealing performance of the flowing cavity is guaranteed, rapid disassembly, assembly and maintenance of the liquid distribution assembly are achieved, the liquid distribution height can be adjusted through rotation, the problem that the liquid distribution assembly cannot adapt to feed liquid with different viscosities is solved, gradient pressure adjustment is formed by the flowing pipe, the first liquid flowing pipe, the flowing cavity and the second liquid flowing pipe of the multi-stage flow distribution structure, and the liquid distribution efficiency is improved. And the subsequent liquid film forming uniformity is improved.
Owner:浙江煜洲空调系统有限公司

Liquid level detector system

Systems and methods for detecting a liquid height level within a container include a stationary platform for positioning at a fixed position, a floating platform for floating proximate a surface level of a liquid, and a processor for calculating a height level of the liquid. The floating platform includes at least one pair of light-projecting devices for projecting toward the stationary platform and the stationary platform includes a light-receiving surface for reception of the projected light thereon, a light-sensing element for detection of light incident upon the light-receiving surface, and circuitry for generating light-detection signals based on the detection of light incident upon the light-receiving surface. The processor is configured to determine, based on the light-detection signals, the height level of the liquid.
Owner:CHEM-ENOMICS LLC

Non-contact liquid height detection system, liquid level detection method, device and liquid container

ActiveCN120907635AMachines/enginesLevel indicatorsMulti bandLiquid height
The invention relates to a non-contact liquid height detection system, a liquid level detection method and device and a liquid container. The non-contact liquid height detection system comprises a multi-frequency-band capacitive sensor assembly, a multi-frequency-band signal processing assembly and a data processing assembly. Wherein the multi-frequency-band capacitive sensor assembly is arranged on the outer wall of the liquid container, and the multi-frequency-band capacitive sensor assembly is not in contact with liquid in the liquid container; the multi-frequency-band capacitive sensor assembly is used for collecting capacitance signals of different frequency bands; the multi-band signal processing component is used for performing preset data processing on the capacitance signals of different bands to obtain target digital signals; wherein the preset data processing comprises signal amplification processing, filtering processing and analog-to-digital conversion processing; the data processing assembly is used for obtaining liquid level height information through analysis according to the target digital signal. According to the liquid height detection system not in contact with the liquid level, the service life of the sensor can be effectively prolonged while the high-precision liquid level detection precision is guaranteed.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Liquid level detector system

PCT designated stageWO2026064456A1Machines/enginesLubrication indication devicesLight sensingLiquid height
Systems and methods for detecting a liquid height level within a container include a stationary platform for positioning at a fixed position, a floating platform for floating proximate a surface level of a liquid, and a processor for calculating a height level of the liquid. The floating platform includes at least one pair of light-projecting devices for projecting toward the stationary platform and the stationary platform includes a light-receiving surface for reception of the projected light thereon, a light-sensing element for detection of light incident upon the light-receiving surface, and circuitry for generating light-detection signals based on the detection of light incident upon the light-receiving surface. The processor is configured to determine, based on the light-detection signals, the height level of the liquid.
Owner:CHEM-ENOMICS LLC

Ultrasensitive Liquid Level Sensor

An electronic liquid level sensor configured to verify a height of a liquid in a reservoir between minimum and maximum levels includes at least one reference electrode, a minimum level electrode and a maximum level electrode. Each of the minimum level electrode and the maximum level electrode is configured as a pin having at least one tapered portion with a diameter between 0.010″ and 0.035″ at a widest point of the tapered portion, an angle of taper of the at least one tapered portion with respect to a longitudinal axis of the pin being between 181° and 193°, a total length of the at least one tapered portion being between 0.110″ and 0.150″, and a radius of curvature of a tip of the pin being less than 0.015″.
Owner:SONICS & MATERIALS INC

Device for treating at least one liquid comprising at least one negative pressure column and one foam collector equipped with a gravity drainage system operating by negative pressure

The invention relates to a device for treating at least one liquid, comprising: at least one negative pressure column (54); - at least one vacuum generator (52) configured to generate, during operation, a first liquid height (H54) in the negative pressure column (54); - at least one foam collector (64); - at least one drainage system (72) for the foam collector (64), comprising: o at least one continuous drainage duct (76) connected to a drainage port (64.2) of the foam collector (64); o at least one system (80) for keeping a permanent liquid column at a second liquid height (H76) in the continuous drainage duct (76); o the second liquid height (H76) being between the first liquid height (H54) and the first liquid height (H54) + 30% of the first liquid height.
Owner:COLDEP DEVEMENT

Method for measuring and calculating water level in drill hole based on energy conservation

PendingCN120684191AConstructionsLiquid heightUranium mine
The invention relates to the field of uranium ore, in particular to a method for measuring and calculating the water level in a drill hole based on energy conservation, which is suitable for real-time acquisition of large-scale and long-term water level data in the drill hole. The method mainly comprises the following steps: 1, establishing a drilling water level calculation formula according to the law of conservation of energy; 2, setting a water level measuring and calculating time period; 3, power parameters are collected, and liquid mass and flow velocity are calculated; 4, determining the liquid lifting height of the submersible pump; 5, determining the head loss of the liquid flowing along the pipeline; 6, determining a pressure water head at the tail end of the liquid conveying system; 7, the real-time comprehensive efficiency of the submersible pump is determined; and 8, measuring and calculating related water level data in the drill hole. According to the invention, real-time acquisition of the water level data in the drill hole is realized, the water level measurement error is reduced, the pump stopping operation time of the liquid pumping hole is reduced, the operation risk is reduced, and the project investment cost is saved.
Owner:中核内蒙古矿业有限公司

In-tank liquid volume acquisition method and in-tank volume detection system

The invention belongs to the technical field of automatic detection, and provides an in-tank liquid volume obtaining method and an in-tank volume detection system.The in-tank liquid volume obtaining method comprises the steps that the serial number of a tank body and the height of the in-tank liquid are received, and the height of the in-tank liquid is obtained by detecting the liquid in the tank body in a non-contact mode; extracting a volume query table bound with the tank serial number from a database, wherein the volume query table comprises the slice serial number of each slice, and the height of the slice, the slice accumulated height, the slice accumulated volume and the volume of the slice associated with the slice serial number of each slice; and matching the height of the liquid in the tank with the slice accumulated height in the volume query table to obtain the volume of the liquid in the tank, and outputting the volume of the liquid in the tank. The volume of the liquid in the tank can be quickly and accurately obtained.
Owner:CSIC (CHONGQING) SOUTHWEST EQUIP RES INST CO LTD

Specimen inspection automation system and specimen inspection automation method

PCT designated stageWO2026094383A1Material analysisLiquid heightStructural engineering
The purpose of the present invention is to provide a specimen inspection automation system that can ascertain the error that occurs in the liquid volume of a specimen at dispensation and accurately measure the liquid volume. This specimen inspection automation system measures the liquid volume or liquid height of a specimen in a container, measures the weight of the container as holding the specimen, and, on the basis of the liquid volume or liquid height and the weight, calculates the liquid volume of the specimen in the container (see fig. 6).
Owner:HITACHI HIGH TECH CORP

Adjustable cooling tower water retaining structure

ActiveCN223484978UTrickle coolersCooling towerLiquid height
The utility model is suitable for the field of cooling towers, and provides an adjustable cooling tower water retaining structure which comprises a cooling bin and a recycling bin from top to bottom. An air inlet is formed in the side wall of the cooling bin, a flow guide plate is installed at the air inlet, and a driving part for sensing the liquid height and driving the flow guide plate to conduct angle switching is arranged on one side of the flow guide plate; after the angle is switched, the flow guide plate enters the blocking state of covering the air inlet from the inclined state, so that the flow guide plate can be arranged to be of a movable structure, the flow guide plate is matched with the sensing push plate to be used for sensing the liquid level in the recycling bin, the air inlet is further blocked according to needs, and the liquid storage volume of equipment is increased.
Owner:WEIFANG HAOFENG ELECTROMECHANICAL EQUIP CO LTD

Liquid level detection technology based on pressure difference and ultrasonic distance measurement

The invention discloses a liquid level detection technology based on pressure difference and ultrasonic distance measurement. A liquid measuring cavity, a fluid cavity, a pressure bearing mechanism, a cavity shell, an ultrasonic probe and an ultrasonic probe control module are included. The fluid cavity bears the pressure brought by the height of the liquid level of the measured liquid, and the local position of the liquid changes delta D due to the change delta H of the height H of the measured liquid. The ultrasonic probe is arranged in the fluid cavity, and the distance measurement of the position change delta D is realized under the control of the ultrasonic probe control module. The pressure bearing mechanism bears the pressure brought by the fluid cavity and provides the dependency relationship between delta H and delta D: delta D = f (delta H, T, G) on the premise that the volume V of fluid in the fluid cavity is not changed, T is the environment temperature, and G is the running state of the automobile. The pressure-bearing mechanism is designed around multiple factors of delta D, delta H, T and G and is deconstructed into the following three remarkable characteristics: 1, delta D is remarkably influenced by double factors of delta H and T; 2, the delta D is obviously influenced by double factors of delta H and G; and 3, the delta D is influenced by the combination of delta H, T and G.
Owner:SHENZHEN KEWEI NEO TECH CO LTD

Liquid level triggering type drainage pipeline automatic dredging axial flow pump system

PendingCN120867398ADomestic plumbingMachines/enginesAxial-flow pumpLiquid height
The invention belongs to the technical field of drainage equipment, and discloses a liquid level triggering type drainage pipeline automatic dredging axial flow pump system. The system comprises a trigger pool assembly, a desilting module and a liquid level detection module, the liquid level detection module is used for detecting the liquid height of a liquid level detection groove in the trigger pool assembly, and when the liquid level reaches and / or is larger than the preset trigger liquid level, the desilting module is controlled to discharge waste water at a high speed through the drainage pipe cavity and the pipeline. After the wastewater is completely discharged, the water outlet end of the drainage pipe cavity is automatically closed and sealed to prevent the wastewater from flowing back and peculiar smell gas from escaping. The liquid level triggering type drainage pipeline automatic dredging axial flow pump system can achieve automatic opening and closing control and active dredging of a drainage pipeline, is compact in structure, high in safety and convenient to maintain, can effectively improve the drainage efficiency and the pipeline unblocked rate, and is suitable for occasions needing automatic drainage and dredging such as kitchens, catering services, industrial processing and ships.
Owner:黄罗文

Soapstock acid oil sampling device

The utility model relates to the technical field of acidified oil production, and discloses a soapstock acidified oil sampling device which comprises a sampling pipe, a sampling opening, a control assembly, an extraction assembly and a return assembly, two or more sampling openings are formed in the axial direction of the sampling pipe, and the control assembly is installed on the outer side of the sampling pipe so that the sampling openings can be opened or closed through the control assembly. The oil sampling device has the following advantages and effects that during sampling, the sampling pipe directly extends into oil liquid, then the pressing plate is pushed, so that the baffle moves downwards along the surface of the sampling pipe after being stressed, the oil liquid with different liquid levels flows into the sampling cavity through the sampling opening, and then the baffle is reset through the spring, so that the inner wall of the sampling cavity is sealed; in the process, the moving rod can be drawn to enable the sampling piston to move so as to help the oil to rapidly flow into the sampling cavity, so that the sampling efficiency is improved, and meanwhile, samples with different oil heights can be rapidly obtained to obtain more sampling information.
Owner:HUBEI FUZEXIN OIL ENVIRONMENTAL PROTECTION TECH CO LTD

Tunnel support structure and method of use thereof

The present invention relates to the technical field of tunnel support, specifically to a tunnel support structure, including a steel arch frame, a constant humidity component and a support component. The steel arch frames are provided with multiple groups from front to back and the steel arch frames are fixed by binding reinforcement bars. An outer template is provided on one side of the steel arch frame, and a constant humidity component is installed on the outer wall of the outer template. The present invention absorbs seepage water through a capillary cover plate under capillary action, and at the same time, water flows from a wet area to a dry area in the inner cavity of the capillary cover plate. The liquid in the capillary cover plate in the inner cavity of the dehumidifying shell is heated and evaporated by a heating rod, and an exhaust fan generates an airflow to take away the water vapor in the inner cavity of the dehumidifying shell. After drying, the capillary cover plate can repeatedly perform capillary action to absorb water seeping from the surrounding rock. The humidifying shell can automatically replenish liquid according to the liquid height position in the inner cavity when it is lower than the set liquid level, and at the same time, the liquid is absorbed by the capillary action of the inner capillary plate, thereby evenly keeping the concrete moist.
Owner:ANHUI HIGHWAY BRIDGE ENG CO LTD

A liquid level measuring device, a liquid level measuring method and a household appliance

PendingCN122282061ALiquid heightElectric machine
This application provides a liquid level measuring device, a liquid level measuring method, and a household appliance, including a control module, a drive module, a drive motor, a reflective module, a transmitting module, and a receiving module. The reflective module is located at the bottom of the container, while the control module, drive module, drive motor, transmitting module, and receiving module are located at the top of the container. The transmitting module emits measuring light; the control module sends control commands to the drive module; the drive module drives the drive motor to rotate the transmitting module according to the control commands, so that the measuring light emitted by the transmitting module reaches the reflective module, and after reflection by the reflective module, the reflected light of the measuring light is reflected to the receiving module; the control module is also used to determine the current liquid level in the container to be measured when the reflected light of the measuring light reaches the receiving module, realizing non-contact and stepless measurement of liquid level, and improving the accuracy of measurement.
Owner:BEIJING SMARTMI TECH