1363 results about "Pressure balance" patented technology

The invention discloses a pneumatic-biological signal feedback cooperative control method based on an anti-gravity rehabilitation treadmill, and the method comprises the steps: synchronously collecting sEMG, IMU and plantar pressure signals, and completing the time-space registration through clock synchronization, time warping and extended Kalman filtering; muscle activation degree, pressure center offset and joint angular velocity are extracted to construct multidimensional features, and gait phase switching is predicted through LSTM-CNN; the TS fuzzy system generates a preliminary control instruction according to expert rules, and Q-learning takes pressure balance and motion smoothing as reward functions to optimize the weight reduction proportion and the treadmill speed online; a waist annular air cavity is driven to be inflated to form a pressure supporting field so as to lift a pelvis and guide a lower limb gait mechanical mode, so that the muscle activation degree, the joint angular motion trail and the pressure center migration characteristic are dynamically influenced, a servo motor tracks phase nodes in a feedforward-feedback mode, and risk early warning and training parameter self-adaptive closed-loop rehabilitation are achieved.

The invention provides an air tightness detection device of a pressure balance type plug valve, and relates to the technical field of valve air tightness detection. An air tightness detection device of a pressure balance type plug valve comprises a water pool, an adjusting mechanism, two clamping mechanisms and an end sealing mechanism, the end sealing mechanism comprises two groups of positioning assemblies and two groups of sealing assemblies, and the positioning assemblies and the sealing assemblies are communicated and used for enabling the sealing assemblies to generate axial displacement. The sealing assembly is coaxially arranged in multiple layers, the structures of all the layers of the sealing assembly are the same, the sealing assembly is used for being inserted into an inlet and an outlet of a plug valve to be detected, and by means of the multi-layer design of the sealing assembly and the design that the positioning assembly enables each layer of the sealing assembly to generate independent axial displacement, the plug valve to be detected can be detected. The sealing assembly is adapted to plug valves to be detected with different calibers; the sealing assembly has the action of expansion under the action of air source pressure, so that the part inserted into the plug valve to be detected is in sealed connection with the plug valve, and the sealing performance is ensured.

The invention provides a liquid cooling CDU system with an intelligent pressure balance tank, and relates to the technical field of electronic equipment heat dissipation, and the system comprises a main circulation loop, the intelligent pressure balance tank, a liquid supplementing loop, a control system and a monitoring module. The intelligent pressure balance tank is provided with a liquid level sensor set, an exhaust valve installed on the non-top portion and a mechanical pressure release valve. The installation height of the exhaust valve is preset so that a buffer air layer can be reserved. The control system responds to signals of the liquid level sensor and controls opening and closing of the liquid supplementing loop and the exhaust valve. Through the design of a buffer air layer and a non-top valve group of the intelligent pressure balance tank, automatic liquid supplementing and graded pressure protection logic are combined, the problems of manual liquid supplementing lag, large pressure fluctuation, high safety risk and the like of a traditional liquid cooling CDU system are solved, and the liquid cooling CDU system is suitable for efficient heat dissipation of a data center and high-power electronic equipment.

The invention relates to the technical field of intelligent control of heavy equipment, in particular to a hydraulic synchronous intelligent control system for segmented turnover of an overweight steel structure, and discloses the hydraulic synchronous intelligent control system for segmented turnover of the overweight steel structure. According to the system, full-field strain data of a structure surface is acquired by deploying a flexible grid sensor array, and a deformation gradient topological graph is constructed to identify an instability risk area. And a dynamic fluid network model of the hydraulic system is established, fluid-solid coupling simulation is carried out in combination with deformation characteristics, and pressure pulsation transmission paths under different control instructions are predicted. And the system dynamically optimizes a data sampling strategy and network model parameters according to a prediction path, generates a hydraulic cylinder coordination action instruction subjected to pressure balance verification, and finally drives an execution mechanism to complete turnover operation. According to the scheme, full-field real-time sensing of structural deformation and dynamic coupling prediction control of hydraulic fluid are achieved, and the safety and control precision of the overweight component in the turnover process are improved.

The invention discloses a polyurethane foaming material with a gradient density skin-core structure and a preparation method thereof, and the preparation method comprises the following steps: step 1, injecting a mixed polyurethane foaming raw material into a preheated foaming mold, and closing the mold; step 2, synchronously starting a mold rapid cooling system and an air pressure balance system for foaming and curing when the reaction raw materials are injected; and step 3, taking out the product after curing, standing at room temperature, and curing to obtain the polyurethane foam material. The surface temperature of the mold is suddenly reduced through quenching temperature control so as to form a compact skin layer, and an in-mold pressure curve is controlled by using an air pressure balance program so as to accurately regulate and control foaming of a core layer. The prepared material has a continuous gradient density structure, the skin layer density is high, the core layer density is low, a transition interface with strong binding force is arranged between the skin layer and the core layer, and the extreme performance combination of'hard outside and soft inside 'is successfully realized.

The invention discloses a double-push-plate type nitrogen protection resistance furnace and an atmosphere circulation purification control assembly, relates to the technical field of resistance furnaces, and aims at solving the problems that when cavities of the double-push-plate type nitrogen protection resistance furnace are communicated, temperatures interfere with one another, and the temperature of a furnace chamber is influenced by supplementing a protective atmosphere. The furnace body assembly is formed by connecting a plurality of independent cavities in series, the adjacent cavities are provided with openable isolation doors, and each cavity is provided with a nitrogen inlet / outlet, a temperature and pressure sensor and a heating assembly; the inert gas circulation structure achieves circulation supply and purification of protective gas, the gas supply amount of a single cavity can be adjusted, the atmosphere temperature and pressure cooperative control system integrates a parameter collection module, a temperature and pressure reference setting module, a temperature recovery compensation module, a pressure balance adjustment module and a closed-loop control module, and a gas purity monitoring module is additionally arranged. And a temperature and pressure cooperative control closed loop is formed through secondary feedback control, so that accurate regulation and control of the temperature and pressure of each cavity, recycling and reusing of waste heat of protective gas and dynamic maintenance of purity are realized.

The invention belongs to the technical field of petroleum and natural gas exploration and development, and particularly relates to a coiled tubing bottom seal dragging pressure testing and leakage finding packer and a using method thereof, and the pressure testing and leakage finding packer comprises an upper centralizer, a pressure balancing mechanism, a setting packing mechanism and a lower centralizer which are coaxially and sequentially connected in a threaded mode. The pressure balance mechanism comprises a sleeve shell assembly and a pressure relief assembly. A pressure relief opening is formed in the side face of the sleeve shell assembly, and the pressure relief assembly is arranged in the sleeve shell assembly. The setting packing mechanism comprises a central pipe; a rubber sleeve assembly, a slip assembly and a centralizing assembly are sequentially installed on the basis of the center pipe from top to bottom, the rubber sleeve assembly is movably connected with the center pipe in an axial limiting mode, the slip assembly is fixedly connected with the centralizing assembly, and the centralizing assembly is movably connected with the center pipe based on the track pipe groove. According to the technical scheme, pressure bearing reasons and leakage point positions which cannot be found out by dragging pressure testing for multiple times in one-time well entering can be achieved, and it is guaranteed that follow-up fracturing construction operation of the shale gas well is safely and efficiently carried out.

The invention relates to the technical field of coal mine underground drilling equipment, in particular to a gyrator for a coal mine directional drilling machine and a using method.The gyrator comprises a shell, an input shaft and an output shaft, the shaft extension end of the output shaft is provided with a pressure balance type multiple dynamic sealing system, and the sealing system comprises a main sealing unit, a pressure balance unit and a dustproof sealing unit; the pressure balance unit comprises a sealing cavity, a lubricating grease injection channel and a grease injection nozzle; pressure lubricating grease is injected into the sealing cavity through the grease injection nozzle, so that a dynamic positive pressure barrier higher than the internal medium pressure of the gyrator and the external pressure of the environment is formed in the sealing cavity; through a triple sealing structure formed by combining the spring seal main seal, the pressurization balance cavity and the V-shaped dustproof ring and by combining an active injection and dynamic balance using method, passive blocking of traditional sealing is converted into active defense, the problem of invasion of high-pressure slurry and pulverized coal is effectively solved, and the service life of the sealing device is prolonged. And the working reliability and the service life of the equipment are obviously improved.

The present disclosure relates to the technical field of petroleum extraction, and disclosed are a forward and reverse circulation combined cementing tool and method, aiming to solve the problem of poor adaptability when using forward or reverse circulation cementing alone. The forward and reverse circulation combined cementing tool comprises a cross-circulation sub (2) and a reverse circulation cementing choke float shoe (3) which are arranged from top to bottom; the reverse circulation cementing choke float shoe (3) comprises a choke assembly (33) and a one-way valve (32), and the choke assembly (33) comprises a control module (332) and a choke module (333). The forward and reverse circulation combined cementing tool and method make full use of the advantages of forward and reverse circulation cementing processes, achieving pressure balance and cement slurry delivery, solving the problems of ultra-long cementing sections and complex formation cementing, greatly improving cementing quality and construction efficiency, and the cementing tool and method are suitable for cementing operations in oil and gas wells under complex geological conditions.

A thermostatic pressure balance valve assembly, comprising a manifold; a thermostatic valve; and pressure balancing device, wherein the manifold comprises a hot water inlet configured to receive hot water from a hot water source, a cold water inlet configured to receive cold water from a cold water source, a central chamber, and a pressure balancing cavity, the thermostatic valve is positioned in the manifold central chamber, and the pressure balancing device is positioned in the pressure balancing cavity.

The invention discloses a cooperative detection method and system for an intelligent industrial visual detection robot, and relates to the technical field of industrial visual detection. According to the method, detection items are divided into basic items, recheck items and recheck items, so that a multi-level item architecture of'basic guarantee + suspected verification + pressure balance 'is formed; judging suspected defect generation according to a preorder link basic result in a reinspection item, preferentially transmitting a whole item and secondarily preferentially transmitting a defect area, and triggering manual reinspection if the defect cannot be transmitted; reinspection items depend on a detection item library, are sequenced according to a preset detection link, quantify the detection pressure in combination with the number of items in a to-be-inspected link, and are dynamically allocated to a target link; in the multi-level project system, the basic project ensures that the core item is not missing, the re-inspection project focuses on the suspected risk point, and the re-inspection project supplements the cross-link detection blind area, so that the full-life-cycle detection requirement of the workpiece can be covered by cooperation of the basic project, the re-inspection project and the cross-link detection blind area

The invention discloses a cooling system pressure regulation and control method and device based on multi-source data fusion, and the method comprises the steps: collecting multi-source data from a cooling system through a sensor, carrying out the fusion processing, and generating a standardized sensor data set. And calculating a comprehensive system pressure value by adopting a data fusion technology according to the standardized sensor data set to obtain a fused pressure data set. And determining a system pressure state through threshold comparison based on the fused pressure data set. And obtaining channel flow data based on the system pressure state, and adjusting the opening degree of a valve to obtain an optimized regulation and control result. And transmitting the optimized regulation and control result to a pressure maintaining system, controlling the valve flow by adopting a pressure stabilization regulation algorithm, and determining a pressure balance index. Therefore, according to the cooling system pressure regulation and control method based on multi-source data fusion, the pressure change can be dynamically responded, the system pressure can be stably maintained, and the air resistance phenomenon can be effectively eradicated.

The invention belongs to the technical field of conductive connecting devices, and particularly discloses an underwater connector which comprises a plug with a conductive assembly and a socket with a conductive assembly, and the plug and / or the socket are / is provided with a pressure balance adjusting mechanism used for adjusting the pressure balance inside and outside the connector. The socket comprises a socket shell, and the plug comprises a plug shell assembly; and a detachable sealing and locking mechanism is arranged between the socket shell and the plug shell assembly. According to the novel mechanical locking mechanism designed by the invention, the design of the spring and the sliding block is combined, so that automatic locking can be ensured after plugging and unplugging are completed, and meanwhile, the mechanical locking mechanism can be easily released when separation is needed. According to the designed adjustable pressure balance system, a combined structure of the oil bag and the sleeve is adopted, so that the internal pressure can be effectively balanced in the plugging and unplugging process, and the risk of sealing failure is reduced.

The invention relates to a high-pressure hydrogen nano-pore permeability testing device and method based on double-chamber pressure balance, and belongs to the technical field of unconventional oil gas. The device comprises a high-pressure gas source, a pressurization module, a double-layer nested core reaction kettle module and a high-frequency data acquisition and safety monitoring module; by constructing a double-layer nested structure that inner cavity hydrogen is actively wrapped by outer cavity nitrogen and cooperating with an all-metal knife edge hard sealing device and a different flow pattern permeability calculation method, accurate measurement of the Ndarcy grade permeability of the compact cover rock is successfully achieved, the industrial pain point that a traditional device is inaccurate in measurement, unstable in measurement and unsafe is thoroughly solved, and the method is suitable for large-scale popularization and application. And key experimental technology guarantee and scientific data support are provided for closure evaluation of underground hydrogen storage engineering and exploration and development of natural hydrogen resources.

A method is for operating a compressed air system in a vehicle. The compressed air system has pneumatically operated actuators, switchable pneumatic valves and devices for supplying and preparing compressed air, which are connected to one another via a pneumatic line system. The devices for supplying compressed air include a compressed air source and a compressed air store, and in the line system a pressure sensor is provided for measuring the pressure. An algorithm is programmed such that depending on the difference between the pressure in the compressed air store and the pressure in the line system, pneumatic valves are actuated to connect the compressed air store to the line system only after pressure equalization between the pressure in the compressed air store and the pressure in the line system. During pressure equalization, compressed air from the source and / or the actuators or devices is introduced into the line system.

The invention discloses an oil pressure compensation method and a corresponding device for a deep-sea sound wave signal receiving and transmitting device, and relates to the field of underwater detection.The method comprises the steps that the deep-sea sound wave signal receiving and transmitting device is assembled on a downward detection mechanism, and an oil pressure compensator injects a preset amount of silicone oil into a sealing shell through an oil injection valve; after injection is completed, a downward probing mechanism is started to enable the deep sea sound wave signal receiving and transmitting device to sink in water; in water, the oil pressure compensator carries out compensation calculation on the volume of the silicone oil in the sealing shell based on an integrated PID control-based self-adaptive oil pressure compensation algorithm, and drives the oil injection valve to feed and discharge the silicone oil to the sealing shell, so that the pressure balance inside and outside the sound wave signal transmitting and receiving device for deep sea is kept. Through an oil pressure compensation mode, the sound wave signal transmitting and receiving device for deep sea is protected, and the problems that an existing sound wave signal transmitting and receiving device is prone to deformation and internal elements are damaged in a deep sea high-pressure environment are solved.

The utility model discloses a cable-stayed truss side bottom water pressure balanced opposite-tie-bar-free easy-to-clean water tank, and relates to the technical field of water tanks, the cable-stayed truss side bottom water pressure balanced opposite-tie-bar-free easy-to-clean water tank comprises a bottom plate, a top plate module and side plate modules, and a plurality of bottom side pressure self-balancing truss combined components are evenly distributed on the inner side of each side plate module; the bottom side pressure self-balancing truss combined member comprises a first bottom side pressure self-balancing truss combined member and a second bottom side pressure self-balancing truss combined member. According to the bottom side pressure self-balancing truss combined component, factory assembling and welding are adopted in advance, standard and unified welding and splicing modules are formed, so that a welding component is combined, the influence caused by external factors and welding operation is reduced to a great extent, the bending resistance and the tension resistance of the bottom side pressure self-balancing truss combined component are utilized, and the welding efficiency is improved. The bottom side pressure self-balancing truss combined component can safely and reliably transfer water pressure borne by the side plates to the upper top plate and the lower bottom plate to form a stable water tank structure system, so that opposite-pulling through ribs on the two sides are omitted, the internal moving space is large, and follow-up water tank welding, manual cleaning and construction maintenance are greatly facilitated.

The invention relates to the technical field of non-electrical variable control or regulation systems, and discloses an exhaust gas aftertreatment flow channel back pressure dynamic regulation method, which comprises the following steps: acquiring a supply source phase reference signal and establishing cyclic mapping; a fluid channel pressure signal pulse range change rate is extracted to determine a feed-forward factor; determining a pressure signal trough interval as an action window; determining a reference amplitude based on the feedback deviation and using a feed-forward factor for compensation to determine a target adjustment instruction; the adjusting mechanism is driven to move in the action window, so that the response peak value is locked in the trough interval, the adjusting action is locked in the low-energy phase, kinetic energy intervention of fluid pulses on the adjusting mechanism is avoided, and mechanical abrasion is reduced; pulse characteristic feed-forward compensation is utilized to enable an adjusting instruction to sense the trend of a flow field, the response speed is increased while a signal is smoothed, and pressure balance under the transient working condition is maintained.

A door seal for an elevator car includes a first tube and a second tube made of an elastically deformable sealing material; the door seal adapted to be mounted on a car wall and / or car door of the elevator car such that the first and second tubes, when the door closes a door opening in the car wall, lie opposite one another within a door gap in a bridging direction and run at least partially around the door opening. The first tube has a pressure connection and can be deformed, by applying fluid pressure, between an initial shape and a final shape that is enlarged in the bridging direction compared to the initial shape. The second tube has at least one pressure equalization opening that enables pressure equalization between an interior and an environment of the second tube when the second tube is compressed.

The invention discloses a dioptric scleroderma cataract dynamic intraocular pressure stable control ultrasonic emulsification system adaptive to a dual-channel operation, which comprises a host control unit, an ultrasonic emulsification handle, a perfusion and suction system, an intraocular pressure monitoring unit, a pressure balance module and a scleroderma fragmentation module, through cooperation of the intraocular pressure control module and the two-way operation type adaptive control module, a high-precision filling valve and a closed-loop suction pump are synchronously adjusted in real time according to anterior chamber built-in and external monitoring fusion data, and intraoperative intraocular pressure fluctuation is controlled within + / -2 mmHg; through pulse modulation and a self-adaptive negative pressure curve of the hardcore fragmentation enhancement module, the stability of the anterior chamber is ensured while the hardcore fragmentation efficiency is improved; fluid dynamics and energy parameters can be automatically optimized according to conventional incisions or micro incisions; according to the system, the anterior chamber stability problem in the high-difficulty cataract surgery is solved.

The invention discloses a pluggable lock device. The pluggable lock device comprises a supporting frame, an electric actuator, an annular ring, a sleeve and a plurality of clamping jaws hinged to the periphery of the sleeve. A wedge-shaped face, a transition claw and an end claw are sequentially arranged on the inner side of the clamping claw. The annular ring is connected with the spring bolt through a linear reset structure and abuts against the wedge-shaped face to drive the clamping jaw to rotate during movement, and locking and unlocking are achieved. The device adopts a torsion spring to enable the clamping jaw to keep a normally closed trend, a pressure balance channel is arranged to adapt to the underwater environment, and a key kinematic pair is provided with a rust-proof bushing and is made of a corrosion-resistant material. The lock is compact in structure, reliable locking and quick unlocking are achieved through mechanical linkage, and the lock is suitable for efficient laying and recycling of underwater equipment.

The invention relates to the technical field of PE lamination production control, and discloses a distributed control system for a high-speed PE lamination production line. A base material state monitoring module of the system collects surface tension parameters and thickness distribution data of a base material in real time, and a dynamic base material state matrix is generated in combination with the operation speed of the base material; the temperature field coordination module is used for matching a preset melt temperature gradient curve according to thickness distribution data in the dynamic base material state matrix and generating a partition temperature regulation and control instruction set; the extrusion pressure balance module analyzes the pressure fluctuation historical record of each extrusion section based on the partition temperature regulation and control instruction set, calculates the pressure compensation amount of adjacent sections and generates a pressure balance parameter table; the film layer fusion control module receives the compensation amount data, adjusts the rotating speed difference of the double-screw extruder and the opening degree parameter of a die head in combination with the real-time melt casting speed, and outputs a film layer fusion quality index; and the distributed execution module decomposes the film fusion quality index into independent control instructions and synchronously issues the independent control instructions to each execution unit.

The invention relates to a full-sea-depth oil-filled pressure balance type underwater cable connecting device which comprises a plug connector and a socket connector which can be in butt joint with each other, and the plug connector and the socket connector are each internally provided with a sealed oil-filled cavity. After the plug connector and the socket connector are in butt joint, internal oil ways which are communicated with each other are formed. The socket connector is provided with an oil filling interface, and the oil filling interface is communicated with the internal cavity of the plug connector through the internal oil path; a pressure balance valve set is arranged in the internal oil way and used for responding to external water pressure changes and guiding insulating oil liquid to flow between the internal oil way and the external environment so as to dynamically balance the internal pressure and the external pressure of the connector. The invention has the advantages that: through a dynamic pressure balance mechanism and a multi-sealing insulation structure, the defect that the prior art is difficult to work stably in a full-sea-depth environment is overcome, and a deepwater cable connection solution which is firm in structure, reliable in connection, simple and convenient to maintain and long in service life is provided.

An oil-immersed transformer includes an oil tank, an oil conservator located above the oil tank, a pressure balancing system, and a cooling system. The cooling system includes a heat dissipation plate assembly, two positioning tubes, a first connecting tube, and a second connecting tube. The inner space of the oil conservator and the inner channels of the two positioning tubes are connected through the first and second connecting tubes. The heat dissipation plate assembly includes a first heat dissipation seat, a second heat dissipation seat, two guide rods, and several sealing rings. The second heat dissipation seat slides on the first heat dissipation seat. The guide rods are installed on the second heat dissipation seat and inserted into the positioning tubes. The sealing rings are installed on the guide rods and sandwiched between the guide rods and the positioning tubes. The guide rods can be moved and adjusted on the positioning tubes. During operation, the pressure balancing system adjusts its state according to the oil level in the oil conservator, thereby using the air pressure in the oil conservator to adjust the position of the second heat dissipation seat. This invention effectively extends the transformer's lifespan, has strong practicality, and has significant potential for widespread application.

The invention relates to the technical field of automatic control, and discloses a pressure-sensing precision mechanical part polishing brush system and method.The system comprises a multi-mode pressure sensing module, an elastic feedback execution module, a self-adaptive trajectory planning module and a closed-loop quality control module; establishing a contact pressure distribution model and analyzing pressure balance, and generating local and global pressure compensation instructions according to the pressure balance; an elastic feedback mechanism is driven to dynamically adjust the axial pressure of the brush, and meanwhile, a self-adaptive polishing path containing a pressure compensation weight is planned by combining the morphology data; the feeding speed and the rotating angle are cooperatively adjusted in the polishing process, and precise machining of the complex curved surface is achieved; and finally, the surface roughness is detected through an optical sensor, and technological parameters are optimized in a closed-loop mode. The problems of surface scratches and contour distortion caused by uneven pressure distribution are solved, and the machining quality and consistency of precision parts are improved.

The invention discloses an automobile lamp sealing routing integrated forming method, relates to the technical field of precise injection molding and intelligent control, and aims to solve the problems that routing is easy to soften and shift under the impact of a high-temperature melt, and the airtightness of an automobile lamp is easy to damage by traditional mechanical clamping and positioning. A pressure evolution prediction model is constructed; in the injection molding process, the system collects mold cavity data at high frequency to deduce the pressure change trend in advance; when judging that the flow field is about to be unbalanced, asymmetrically adjusting the glue inlet phase difference of each pouring gate, and forcibly remolding a melt flow frontal surface, so that a dynamic constraint state based on pressure balance is formed on two sides of a routing line; according to the invention, on the premise of no mechanical contact, the space stable positioning of wiring is realized, structural pores are avoided, and the air tightness of the product is obviously improved.

The invention relates to the technical field of injection control, and particularly discloses a pressure optimization control method and system for a multi-nozzle steam injector. Basic structure parameters and operation parameters of all nozzles of the multi-nozzle steam ejector are obtained firstly, then the critical ejection ratio is calculated according to the basic structure parameters, the steam margin coefficient is obtained according to the operation parameters and the preset critical pressure, then the turbulence intensity factor and the pressure fluctuation coefficient are obtained by combining the critical ejection ratio and the steam margin coefficient, and the fluctuation coefficient is compared with the preset threshold value; if the comparison exceeds the threshold value, the opening degree is calculated and adjusted according to the real-time flow deviation and the pressure balance degree, the opening degree of each nozzle is adjusted after the back pressure change sensitivity coefficient is corrected, the flow and the pressure are balanced, and coupling interference is reduced.

The invention belongs to the technical field of ocean engineering. According to the seabed data intelligent calculation center structure and the working method, a plurality of stand columns and a tubular structure are connected to form a frame used for bearing a tank body, a supporting seat is fixed in the frame, and the tank body is arranged on the supporting seat; grating plates are arranged at the two ends and the top of the frame, a plurality of suction foundations are fixed to the bottom of the frame, and data intelligent calculation equipment is arranged in the tank body; a temperature and humidity real-time monitoring sensor and a pressure balance adjusting module are integrated in the tank body, the temperature and humidity real-time monitoring sensor communicates with a cooling system outside the tank body, the heat dissipation efficiency in the tank body is adjusted in a linkage mode according to real-time temperature and humidity data, and the pressure balance adjusting module is used for automatically compensating air pressure in the cabin according to water pressure differences of different depths of the seabed; according to the invention, the structural stability of the seabed is ensured, natural cooling is carried out through low-temperature seawater, the problem of high heat dissipation energy consumption of a traditional data center is solved, and a stable working temperature environment is provided for data intelligent calculation equipment.

The invention relates to the technical field of underground water control and intelligent construction of deep foundation pit engineering, and discloses an underground water recharge control system and method. Comprising a water level real-time monitoring module, a central intelligent control module, a recharge well group regulation and control module, a flow dynamic regulation module, a pressure balance compensation module, a servo support linkage module, a risk early warning module and a data visualization module. A cloud-edge cooperative computing architecture is established, intelligent control is realized, and the system has the advantages that firstly, an artificial intelligence algorithm is introduced into the field of hydrogeological regulation and control, and self-adaptive optimization of a recharge strategy is realized; secondly, a coupling control mechanism of recharge pressure and supporting axial force is established, and foundation pit deformation is restrained from the source; and thirdly, through deep fusion of a robot system and a recharge system, a full-process digital construction system is constructed, so that the efficiency, precision and safety of super high-rise building construction are greatly improved.

The invention relates to the field of optical transmission, and provides a pressure-resistant branch cabin, an underwater cable assembly and an underwater observation system. The pressure-resistant branch cabin comprises an end cover; the top end of the cavity is connected with the end cover in a sealed mode, the bottom end of the cavity is connected with at least two connecting ports, and the interior of the cavity is used for being filled with insulating oil liquid for achieving pressure balance and heat dissipation; the circuit board is arranged in the cavity; the fiber coiling structure is arranged in the cavity and is used for coiling an optical fiber; and the connecting pipe is connected to the connecting port and is used for connecting and sealing the cable. The pressure-resistant branch cabin is small in size, light in weight, low in cost and convenient to construct; the device can be applied to deep-sea cavities and is prevented from being corroded; the structure is simple and reliability is high.