117 results about "Communicating vessels" patented technology

The utility model discloses a material storage barrel with a liquid level meter, relates to the technical field of water treatment agent production and processing equipment, and solves the problems that an existing material storage barrel body is generally a single barrel body and is not provided with a liquid level display function, when liquid materials in the material storage barrel are transparent, the appearance of the material storage barrel is also made of transparent plastic, and the amount of the materials in the barrel is difficult to observe. Comprising a barrel body, a bottom pipe body is installed at the bottom of the barrel body, a transparent vertical pipe is fixedly installed at the top of the bottom pipe body, and a connecting pipe is fixedly installed between the top of the transparent vertical pipe and the barrel body. According to the communicating vessel principle, the liquid level in the transparent vertical pipe is the same as the liquid level in the barrel body, the liquid level in the barrel body can be clearly known by observing the liquid level in the transparent vertical pipe and comparing the liquid level with the scale strip, and therefore the amount of liquid in the barrel body can be known conveniently; and the display effect of the liquid level surface in the transparent vertical pipe is improved.

The utility model relates to excimer laser cooling system technical field especially convenient maintenance's excimer laser cooling water valve pipeline, including cooling water valve main part, water inlet, water outlet, communicating vessel and pipeline body, water inlet is connected in the upper end of cooling water valve main part through, water outlet is connected in the side of cooling water valve main part through, water inlet and water outlet even a group of communicating vessel are connected, and one end of communicating vessel is provided with three groups of branch interfaces, and the connection between pipeline body and communicating vessel is carried out through branch interface, and both ends of pipeline body are connected with a group of communicating vessel, the utility model discloses the both ends of pipeline body are provided with communicating vessel and can connect between the pipeline body and other equipment in the cooling system conveniently, and the one end of communicating vessel sets up three groups of branch interfaces and can connect three pipeline bodies, forms the water pipe passage of redundancy, when the failure of certain pipeline body, need not the shutdown to can maintain the failure pipeline body.

The utility model belongs to the technical field of evaporators, and particularly relates to a liquid level self-balancing flooded evaporator which comprises a cylinder, supporting frames are symmetrically arranged on the two sides of the cylinder, a plurality of heat exchange tube mounting frames are arranged in the cylinder, a self-balancing tube assembly is arranged on any side of the cylinder, and the self-balancing tube assembly is arranged on the other side of the cylinder. A pipeline reinforcing structure is arranged at the bottom end of the self-balancing pipe assembly; through cooperative use of the first connecting pipe and the second connecting pipe, the space in the cylinder is divided into a plurality of cavities by the heat exchange pipe mounting frame, and refrigerating fluid in each cavity can be conveyed into the first connecting pipe through the second connecting pipe, so that each cavity can form a communicating vessel structure; therefore, the evaporator can realize the liquid level self-balance of the refrigerant in each chamber under various operation conditions, the heat exchange area of the heat exchange tube is fully used, and the performance of the flooded evaporator is ensured to the greatest extent.

The application discloses a detachable side-in type ultrasonic liquid level monitoring system and method, which comprises a liquid level detection box, an ultrasonic monitoring box and a remote client; the liquid level detection box is used for being connected with a container to be detected to form a communicating vessel structure; the ultrasonic monitoring box is provided with two groups of ultrasonic probes for positioning and height measurement of a monitored liquid level, and is used for monitoring the liquid level in the liquid level detection box to obtain monitoring data; the remote client with built-in software is used for displaying the liquid level monitoring data of the ultrasonic monitoring box in real time, sorting the monitoring data and generating a regular report. The two groups of ultrasonic probes work cooperatively, the strong stability and high precision of the measurement process are ensured, the real-time monitoring function is provided, the two groups of ultrasonic probes emit sound wave signals outward every interval time given by a user, the liquid level position is determined again every interval time when the ultrasonic positioning probe group is positioned to the monitored liquid surface, manual regular inspection of the liquid surface position is not needed, and the manual work amount is greatly reduced.

The utility model provides a liquidometer flushing system, which relates to the technical field of flushing systems and comprises a tank body, a liquidometer body, a first communicating vessel, a blow-off pipe, a second communicating vessel and a third communicating vessel. In the utility model, when the measurement of the liquid level meter body is influenced, the hand valve I and the hand valve II can be quickly closed, and the liquid level meter body is cut off from the material communication of the tank body, so that the liquid level meter body is independent, and then, an external clean water source or treated circulating water of the water storage tank can pass through the T-shaped water inlet pipe under the setting of single-side branch water inlet. The hand valve and a pipeline of the liquid level meter body are accurately scoured, crystals and jelly are forcefully stripped, and scoured impurity sewage is discharged into the water storage tank from the blow-off pipe through the first communicating vessel, so that the problem that measurement is interfered by impurity attachment is fundamentally solved, the liquid level meter body is always stable, and reliable liquid level data are accurately provided for device operation; and the safety and high efficiency of the production process are powerfully guaranteed.

The utility model discloses an extrusion casting machine adopting an electromagnetic pump for low-pressure mold filling. The extrusion casting machine comprises an electromagnetic pump mold filling system, a mold, a sealing and extrusion composite device, a mold locking device, a mold moving device, a guide column, a heat preserving furnace and a lifting mechanism, the lower die is connected with a static template, and the upper die is connected with a movable template; a piston rod of the mold moving device is connected with the movable template; the mold locking device and the sealing and extruding composite oil cylinder are mounted on the movable mold plate; the lower end of the guide pillar is fixed on the static template and penetrates through the center of the mold locking device; the heat preserving furnace is positioned below the static template; the electromagnetic pump mold filling system is fixed on the heat preserving furnace; the electromagnetic pump mold filling system is tightly connected with a lower mold of the mold through a liquid rising pipe; a sealing extrusion composite punch is mounted at the free end of an extrusion piston rod assembly of the sealing extrusion composite oil cylinder; a liquid inlet of the lower mold is communicated with a liquid outlet of the heat preservation furnace through a liquid rising pipe and an electromagnetic pump mold filling system in sequence; the heat preservation furnace comprises a soup adding chamber far away from the liquid outlet, and the soup adding chamber communicates with the liquid outlet through a communicating vessel.

The utility model relates to the technical field of distillation devices, in particular to a distillation device for chemical medicine inspection, which comprises a distillation flask and a condensation bin body, chemicals are contained in the distillation flask, a steam conveying pipe is fixedly connected to a bottle opening of the distillation flask, and a plurality of groups of flow dividing mechanisms are arranged in the condensation bin body. The flow dividing mechanism comprises a flow dividing condensation pipe which is designed in a spiral mode, the two ends of the flow dividing condensation pipe are provided with an input pipe opening and an output pipe opening respectively, and the top and the bottom of the condensation bin body are provided with a first communicating vessel and a second communicating vessel respectively. After heat exchange condensation with condensate in the condensation bin body is achieved, the height of each circle of the spiral flow dividing condensation pipe is gradually reduced, no height difference exists, liquid drops formed by steam can completely flow out through the flow dividing condensation pipe, and the situation that the liquid drops remain in the flow dividing condensation pipe is avoided.

The utility model discloses a fluid distribution valve which comprises a plane rotating switching valve, a rotating flow channel communicating vessel, a connecting pipeline and a transmission device, the plane rotating switching valve comprises a fixed valve disc and a rotating valve disc, and N pairs of fluid channels which are correspondingly arranged and penetrate through a valve disc body are evenly distributed on the fixed valve disc and the rotating valve disc; the rotary flow channel communicating vessel comprises a fixed flow channel disc and a rotary flow channel disc, M pairs of feed ports and discharge ports are formed in the fixed flow channel disc, M pairs of annular flow channels are defined between the fixed flow channel disc and the rotary flow channel disc, and the annular flow channels are in one-to-one correspondence with the feed ports and the discharge ports and are communicated with the feed ports and the discharge ports; m pairs of middle flow channels which are in one-to-one correspondence with the annular flow channels and communicate with the annular flow channels are formed in the rotary flow channel disc, and the middle flow channels are connected with fluid channels in the rotary valve disc through connecting pipelines; the transmission device is used for driving the rotary runner disc and the rotary valve disc to rotate. In addition, the utility model further discloses fluid reaction equipment. The integral structure is simple, the height is low, and the limitation of the height of an installation place is small.

The application discloses an oil-water separation device. The oil-water separation device comprises a separation tube, a liquid inlet tube, a backflow tube and a first oil outlet tube. The separation tube comprises a main body section and a converging section arranged on the upper side of the main body section. The flow area of the converging section is smaller than that of the main body section. The inlet of the liquid inlet tube is arranged on the outer side of the separation tube, and the outlet of the liquid inlet tube is arranged in the main body section and is lower than the inlet of the liquid inlet tube in the height direction. The inlet of the backflow tube is arranged at the bottom of the main body section, and the outlet of the backflow tube is arranged on the outer side of the separation tube, and the separation tube and the backflow tube form a communicating vessel. The outlet of the backflow tube is located between the inlet of the liquid inlet tube and the outlet of the liquid inlet tube in the height direction. The water in the oil-water mixture is discharged from the separation tube through the backflow tube. The inlet of the first oil outlet tube is arranged in the converging section. The outlet of the first oil outlet tube is arranged on the outer side of the separation tube and is lower than the inlet of the first oil outlet tube in the height direction to discharge light oil. The light oil is further converged in the converging section, and is easier to collect and separate.

A kind of mouth of a river backfill drainage pipe network detection device and detection method, detection device includes elbow and shaft;The end of elbow is provided with plugging pipe, the other end is provided with connecting pipe, the shaft is installed on connecting pipe.Detection method includes the following steps: S0: determine suspected well;S1: assemble detection device;S2: detection device is put into water, after plugging pipe is aimed at the mouth of a river, it is inserted and plugged, so that detection device and the pipeline in suspected well form a communicating vessel structure;S3: water is taken from the field surface water body using water taking tool, after adding isotope tracer, mixed water body is poured into detection device from the top of shaft, so that mixed water body enters suspected well;S4: water quality sampling is carried out in suspected well and is detected, when the tracer put in is detected in water sample, then it can be judged that the inspection well is one of the paths of the mouth of a river as surface water invasion;S5: repeat steps S2 to step S4 to detect the water quality of multiple suspected wells.

The invention relates to the technical field of civil engineering, and discloses an open caisson sinking inclination automatic monitoring and adjusting device which comprises an open caisson body, a control assembly is arranged at the bottom of the open caisson body, a ring base and the open caisson body are coaxial, a full-automatic inclination correction system is constructed, and rotating rollers of a second cavity are evenly distributed around the ring base. The bottom of the assembly plate is positioned through a fixing groove and meshed with inner ring teeth of the rotating ring through a connecting gear, and the top of the assembly plate is sleeved with an extrusion plate through external threads; a rotating ring drives a rotating roller to rotate, circular motion is converted into linear power for downward movement of an extrusion plate, an oil cavity of the inner ring wall of a ring base forms a communicating vessel through a communicating window, and oil on the sinking side is automatically gathered when the open caisson inclines; an extrusion plate is provided with a sealing ring for preventing leakage, moves downwards along with the rotating roller to apply pressure oil liquid, and is pressed into a corresponding oil liquid barrel through a communicating hole; the oil pushes the plug seat in the cylinder to ascend, the supporting rod drives the bearing table to abut against the blade foot, the bearing table ascends higher if the oil on the sinking side is large, the sinking trend is offset in a self-adaptive mode, and it is ensured that the sinking posture of the open caisson is stable.

This utility model belongs to the field of metrology technology, and in particular to a hydropower station level gauge calibration device, including a U-shaped barrel. A side-mounted level gauge and / or a standard level transmitter probe are installed on one side of the barrel. The side-mounted level gauge is connected to the bottom of one side of the U-shaped barrel. The probe of the standard level transmitter is installed inside the bottom of one side of the U-shaped barrel. The level gauge to be measured is installed at the top of the other side of the U-shaped barrel. This device changes the traditional single-barrel calibration to a double-barrel U-shaped structure with connected bottoms. Based on the principle of communicating vessels, the influence of the standard level transmitter probe on the water level can be reduced. The U-shaped barrel automatically balances the liquid levels on both sides through the principle of communicating vessels, and the change in liquid volume is evenly distributed on both sides. This allows the level gauge to be measured to be inserted inside the other side of the U-shaped barrel, thereby increasing measurement accuracy and reducing errors.

The present application relates to a kind of ocean energy power generation system, including wave energy power generation device, deep water power generation device and temperature difference energy power generation device, deep water power generation device includes communicating vessel, first water reservoir, contraction waterway, water turbine, generator and second water reservoir, wave energy power generation device includes swing plate array, transmission and speed change mechanism and drainage mechanism, temperature difference energy power generation device includes temperature difference power generation instrument;System utilizes communicating vessel to extract deep sea salt-rich seawater into low first water reservoir, then water is accelerated by contraction waterway, and the water after acceleration passes through water turbine, drives generator to generate electricity, and then flows into lower second water reservoir;Swing plate array arranged on sea surface obtains wave energy, and the water of second water reservoir is pumped to high salt field or discharged to sea by drainage mechanism through transmission and speed change mechanism;The warm end of temperature difference power generation instrument is arranged in sea wave, and cold end is arranged in contraction waterway, to provide temperature difference for thermoelectric material and generate electricity.The system is conducive to improving the stability and efficiency of ocean energy power generation.

This utility model relates to the technical field of egg retrieval devices, specifically disclosing an egg retrieval device including an egg retrieval needle, a connecting tube at one end of the needle, a connecting hose at one end of the connecting tube, a connecting pipe at one end of the connecting hose, a communicating vessel at one end of the connecting hose, a collection container at the bottom of the communicating vessel, a communicating cavity on one side of the communicating vessel, a pressure pipe connected to the middle of the communicating cavity, and limiting components on both sides of the middle of the communicating cavity, which swing along an axis. The communicating vessel in this device allows two connecting hoses to be integrated into one unit, enabling direct connection between the two hoses on a single structure. This avoids the need for separate hoses when using different hoses, preventing entanglement and thus improving egg retrieval efficiency.

The overflow valve comprises a valve body and a valve seat, the valve body is connected to the valve seat in a threaded mode, liquid outlets are formed in the valve body and the valve seat, and when the two liquid outlets directly face each other, the liquid outlet amount is maximum; an overflow opening is further formed in the valve body and located above the liquid outlet. In the production process, due to the fact that more impurities exist in an upper-layer solution in the oil removal tank, an overflow pipeline is often blocked when not monitored by personnel in time, after the overflow pipeline is blocked, the liquid level of the solution in the oil removal tank continues to rise, and when the overflow pipeline reaches a certain height, the redundant solution can overflow from the overflow valve based on the communicating vessel principle, and the occurrence of tank overflowing accidents is eradicated. And safe and normal production is ensured.

The invention discloses a blast furnace water granulated slag filtering and recycling system and a working method thereof, belongs to the technical field of blast furnace water slag flushing, and aims to solve the problem that in the prior art, the liquid level height in a filter tank is difficult to measure, the blast furnace water granulated slag filtering and recycling system comprises the filter tank (1), a drainage pipeline (2) and a water pump (3) which are sequentially connected, the blast furnace granulated slag filtering and recycling system further comprises a water storage tank (4), the water storage tank (4) is connected with the filtering basin (1) or the drainage pipeline (2) through a communicating pipe (5), and water in the filtering basin (1) can enter the water storage tank (4) through the communicating pipe (5). According to the blast furnace water slag filtering and recycling system, the liquid level in the filtering tank is obtained by measuring the liquid level in the water storage tank according to the principle of communicating vessels, the requirement of a blast furnace slag water treatment system for accurate measurement of the liquid level in the filtering tank can be met, air is prevented from entering a filtering pipe and an upper tower pump, and equipment is prevented from being damaged.

This utility model discloses a device for detecting the density of slurry in a pipeline, comprising a main pipeline, a detection pipeline, a cleaning water pipeline, a cleaning steam pipeline, a density meter, and a waste liquid tank. Slurry flows through the main pipeline. The inlet and outlet of the detection pipeline are connected to the side of the main pipeline and the waste liquid tank, respectively. The diameter of the main pipeline is larger than that of the detection pipeline. The inlet and outlet of the detection pipeline are respectively equipped with a feed solenoid valve and a discharge solenoid valve. The cleaning water pipeline and the cleaning steam pipeline are both connected to the detection pipeline. The density meters are located on both sides of the detection pipeline. By connecting the small-diameter detection pipeline to the main pipeline and utilizing the principle of communicating vessels, the density of the slurry in the main pipeline can be obtained by measuring the density of the slurry in the detection pipeline using a low-dose isotope radiation density meter. This reduces the amount of radiation source used, improving economic efficiency and safety.

This invention discloses a deep-ditch slurry sampling tube and sampling method. The sampling tube includes a sampling tube body, a storage chamber, a baffle, a fixing block, a piston, and a rubber gasket. The fixing block is fixed to the bottom of the sampling tube body, and the baffle is symmetrically fixed below the sampling tube body, forming a piston movement chamber between the baffle and the fixing block. The fixing block has a liquid inlet, and one end of the piston passes through the liquid inlet and is installed in a T-shape within the piston movement chamber. A rubber gasket is fitted onto the piston. The sampling method includes a slurry feeding stage, a slurry storage stage, a tube lifting and sealing stage, and a discharge and sampling stage. This invention utilizes the slurry's own liquid pressure to drive the piston for automatic slurry feeding, utilizes the principle of communicating vessels to achieve quantitative sampling, and adopts a self-weight sealing and bottom-contact discharge structure. It solves the technical problems of deep-ditch slurry that cannot be sampled with traditional sampling spoons, poor sample representativeness, and operational safety hazards. It has the advantages of simple structure, convenient operation, uniform sampling, and good representativeness.

The application discloses a kind of gas diffusion coefficient detection devices, including the shell with opening, outer container bin and inner container bin being connected by horizontal conduit in shell and being communicated and the air extraction system being set in the cavity of shell;Wherein, gas pressure monitoring device is equipped in shell;The top of outer container bin is set to open, and temperature monitoring device is equipped in it;The top of inner container bin is equipped with the opening sealed with one-way water film;Movable paraffin small ball is arranged in horizontal conduit.The application improves the core detection component T-shaped pipe in the existing gas diffusion coefficient detection device to two container bins being respectively communicated with atmosphere and being set inside and outside by horizontal conduit by using communicating vessel principle, so that the volatilization of the liquid to be measured in outer container bin can be accurately characterized by the corresponding distance of paraffin small ball movement in horizontal conduit, which facilitates the acquisition of diffusion coefficient, and also significantly improves the measurement accuracy of the device.

The utility model relates to the technical field of dump trucks, in particular to a baffle capable of automatically adjusting tension, a container and a dump truck, and the baffle capable of automatically adjusting tension comprises a baffle arranged at the first end of a support; the supports are arranged on the two sides of the box body. The middles of the supports are hinged to the box body. The box body is hinged with the frame; the rope penetrates through the frame, and the two ends of the rope are connected with the second ends of the supports respectively. A brand-new rope arrangement mode is adopted, a rope penetrates through the interior of the frame, the two ends of the rope are connected with the supports on the two sides respectively, and the turning position of the rope is guided by the fixed pulley. Therefore, the rope forms a principle similar to a communicating vessel, and the left side and the right side of the baffle can be ensured to be equal in tension at any time.

The invention provides an emergency cut-off system of a liquid container and a tank car. The liquid container comprises a storage tank and a conveying pipeline communicated with the storage tank. The emergency cut-off system comprises an air cylinder, an external communicating vessel, an emergency cut-off device and a switching piece. The air reservoir is used for storing air; the external communicating vessel is used for communicating with an external air source; the emergency cut-off device is used for controlling on-off of the conveying pipeline; the switching piece is connected with the air storage cylinder, the external communicating vessel and the emergency cut-off device, and selectively enables the air storage cylinder to be communicated with the emergency cut-off device or enables an external air source to be communicated with the emergency cut-off device. The external air source and the air storage cylinder can be used respectively according to specific application scenes, so that the use frequency of the air storage cylinder is reduced, the loss of the air quantity in the air storage cylinder is reduced, the problem that the emergency cut-off device cannot be stably used due to insufficient air quantity of the air storage cylinder is solved, and the stability and safety of the emergency cut-off device in various application scenes are guaranteed.

This utility model relates to the technical field of filling devices, and discloses a liquid level synchronization conduit device for filling osmanthus rice wine. It includes a distributor, with an inlet pipe fixedly connected to the upper surface of the distributor. A solenoid valve is fixedly connected to the outer side of the inlet pipe, and a connecting hose is fixedly connected to the upper end of the inlet pipe. Several straight pipes are fixedly connected to the bottom surface of the distributor, and a flow control valve is fixedly connected to the bottom end of each straight pipe. A connecting pipe is fixedly connected to the bottom output end of the flow control valve, and an inverted U-shaped outlet pipe is fixedly connected to the front end of the connecting pipe. In this utility model, through the cooperation of the straight pipes, flow control valves, connecting pipes, inverted U-shaped outlet pipes, splash guards, scales, and liquid level monitoring components, the air inside the device can be completely expelled before the initial filling, preventing air from affecting the filling effect and ensuring filling quality. Furthermore, the principle of communicating vessels is used to forcibly synchronize the liquid levels of each filling channel, ensuring consistent filling volume.

The utility model relates to a leveling structure of a numerical control milling machine, which comprises a support component arranged between a base and a workbench, the support component comprises a plurality of groups of support oil cylinders uniformly distributed below the workbench, and an annular pipeline is laid along the distribution path of the support oil cylinders. Each supporting oil cylinder is communicated with the annular pipeline through a branch pipeline to form a communicating vessel structure, and an electromagnetic reversing valve is installed on each branch pipeline. And a gradienter for monitoring levelness is arranged on the workbench and is in communication connection with the electromagnetic directional valve. By controlling the electromagnetic directional valves and the flow control valves at the same time, a plurality of supporting cylinders can work cooperatively, leveling can be completed in a short time, the working efficiency is greatly improved, the downtime of equipment is shortened, and the production benefit is improved; meanwhile, through real-time monitoring of the gradienter and the displacement sensor, the leveling precision can be further improved.

The utility model is suitable for the technical field of atomization, and discloses a liquid storage bin and an atomization device.The liquid storage bin comprises a bin body, a liquid storage space is formed in the bin body, the liquid storage space is used for storing an aerosol generating matrix, the bin body comprises a liquid outlet, the liquid outlet is formed in one end of the bin body, the other end, away from the liquid outlet, of the bin body is a bin bottom, and the liquid outlet communicates with the liquid storage space; the air hole is formed in the bin bottom and communicates with the liquid storage space; the air grooves are formed in the outer wall of the bin body and communicate with the air holes; and the sleeve shell covers the air hole and the air groove, the air groove and the sleeve shell are enclosed to form a capillary channel, the capillary channel is communicated with the outside, and the capillary channel and the liquid storage space form a communicating vessel. Air pressure balance can be kept between the interior of the liquid storage bin and the outside.

This invention discloses a high-precision positioning conveying device for wafer etching, belonging to the field of wafer etching technology. It includes a fixed base with mounting holes on both sides and a guide groove. A sliding rod is pushed by an inclined push groove to lower a protective cover, causing it to cover the storage compartment and prevent dust from entering and contaminating the wafer. A drive motor drives a gear to rotate, and the meshing of the gear and gear ring drives a turntable to rotate, causing the turntable to push a movable rod. The movable rod then pushes a connecting rod, causing the rotating rod to rotate. During this process, the movable rod slides on the turntable, causing the connecting sleeve to rotate on the connecting rod and gradually slide along it. As the turntable rotates, the rotating rod, through a fixed block, drives a communicating vessel and a fan-shaped nozzle to reciprocate, achieving a clean gas coverage and purging of the wafer surface in the storage compartment to prevent dust from adhering to the etched surface.

The application belongs to the technical field of gas flow measurement, and discloses a hydrogenation machine hydrogenation quantity calibration system, a calibration method and a hydrogenation quantity determination method. According to the scheme, the liquid surfaces in the cavities of the communicating vessel are kept in the same horizontal plane, and the buoyancy principle is used. A floating body is fixed with a gas storage container and placed in the containing cavity of the communicating vessel. The floating body floats in the containing cavity and can freely rise and fall in the containing cavity. The gas storage container is below the liquid surface in the containing cavity, and a liquid level detection unit is arranged in the test cavity communicating with the containing cavity to detect the liquid level height of the test cavity. According to the difference between the liquid level height of the liquid in the test cavity detected by the liquid level detection unit before and after the hydrogenation machine fills hydrogen into the gas storage container, the liquid surface cross-sectional area of the communicating vessel and the liquid density in the communicating vessel, the first hydrogen quantity filled into the gas storage container by the hydrogenation machine is determined, and the hydrogenation machine is calibrated according to the first hydrogen quantity and the hydrogen quantity measured by the hydrogenation machine, so that the accurate calibration of the correction coefficient of the hydrogen quantity measured by the hydrogenation machine is realized.

The invention relates to the technical field of biological enzyme extraction equipment, and discloses an extraction preparation method and an extraction device of agricultural composite biological enzyme, the extraction device comprises a liquid injection mechanism and a plurality of groups of test tubes, the liquid injection mechanism comprises a base and a plurality of groups of slots formed in the upper surface of the base, the slots are linearly distributed, and the test tubes are matched with the slots in an inserting manner. Needle tubes are arranged in the centers of the interiors of the inserting grooves, needle tips of the needle tubes face upwards, the lower end of the test tube is open, a rubber sheet is fixedly connected to the inner surface of the bottom of the test tube, a connecting tube is arranged in the base, and the lower ends of the needle tubes communicate with the connecting tube. The base, the multiple sets of test tubes, the liquid injection mechanism and the liquid storage mechanism form a multi-branch communicating vessel system, the principle of the multi-branch communicating vessel system is based on the physical characteristic that when liquid freely flows in a closed pipeline, liquid levels of all branches are kept consistent, synchronous injection and uniform distribution of the liquid in the multiple test tubes are achieved, and preparation operation of centrifugal work is facilitated.

The application relates to a high-precision micro-vibration inclination angle monitoring device based on the principle of a communicating vessel, which comprises at least one group of inclination angle sensing units, each group of the inclination angle sensing units being composed of two groups of liquid level bearing and change sensing devices, two groups of adjustable base fixing devices, a connecting pipe assembly and two laser sensors. In the application, the liquid level change is monitored through high-precision laser sensors, and an inclination angle calculation model is derived in combination with the principle of rigid body translation, so that accurate measurement of the micro-vibration inclination angle can be realized. The adjustable base fixing device can be adjusted to make the end container be located at a horizontal position, so that the installation convenience and data effectiveness of the device under different environmental conditions can be ensured, and a complete technical scheme and implementation basis are provided for high-precision micro-vibration inclination angle monitoring.

An automatic water supplementing structure for a pet water dispenser comprises a water storage tank, a temporary storage bin and a water drinking bowl. A water outlet located in the temporary storage bin is formed in the lower portion of the water storage tank, a water stop plug is installed in the water outlet, a buoy moving up and down along with the water level in the temporary storage bin is arranged in the temporary storage bin, and the buoy is connected with the water stop plug; the drinking bowl is communicated with the temporary storage bin through a water pipe to form a communicating vessel structure, and the upper limit water level of the drinking bowl is consistent with the highest position of the buoy during movement; when the water level in the temporary storage bin drops, the buoy drives the water stop plug to drop, and the water outlet is opened; when the water level in the temporary storage bin rises, the buoy drives the water stop plug to rise, and the water outlet is closed. The water drinking bowl and the temporary storage bin are designed to be of a communicating vessel structure, the buoy moving up and down along with the water level is arranged in the temporary storage bin, the buoy drives the water stop plug to open / close the water outlet of the water storage tank, after the water level of the water drinking bowl rises, the buoy is lifted, the water stop plug blocks the water outlet, and therefore the automatic water supplementing function is achieved.

The invention relates to a double-chamber or multi-chamber combined device convenient to open and use, hereinafter referred to as' this device '. The device is composed of double hollow cavities or multiple hollow cavities and can contain liquid, solid, powder and other substances, and the device can be vacuumized or inflated and pressurized when needed. A communicating vessel which can be conveniently opened to enable the sealed cavities to be communicated is arranged between any two adjacent cavities which are isolated and sealed, and the communicating vessel is controlled to be communicated with the adjacent cavities or sequentially communicated with a plurality of cavities. According to the device, substances such as liquid, solid and powder stored in the sealed chambers are conveniently isolated before use, and are opened and communicated during use, so that the substances in one chamber are transferred into the adjacent chamber for mixing, dissolving, chemical reaction and the like of the substances. The device is applied to the situation that substances stored in all the chambers cannot be premixed or dissolved in advance, or chemical changes can be generated by premixing to influence use or the quality guarantee period after premixing is very short.