1759 results about "Fluid Leak" patented technology

The invention relates to the technical field of liquid cooling, and discloses a server cabinet liquid cooling control method and system based on intelligent liquid cooling distribution, and the method comprises the steps: collecting the temperature, cooling liquid flow, pressure and environmental parameters of each node in a server cabinet in real time through a liquid cooling distribution unit; the load change of the server is predicted based on a dynamic distribution algorithm, and the pump set rotating speed and the valve opening degree of the liquid cooling distribution unit are dynamically adjusted so as to dynamically distribute the cooling liquid flow according to needs; a multi-parameter coupling optimization algorithm is adopted, and the energy efficiency ratio of the liquid cooling system is adjusted according to the temperature, the cooling liquid flow and the pressure; cooling liquid leakage is detected through a multi-mode sensor, a liquid leakage protection mechanism is triggered in a grading mode according to the severity degree of leakage, and the liquid leakage protection mechanism comprises local pipeline isolation and whole system shutdown. The system corresponds to the method. By adopting the method, the energy efficiency improvement and the reliability enhancement of the heat dissipation system of the server cabinet are realized.

The invention provides an intelligent monitoring system of a liquid cooling cabinet and processing equipment thereof, and relates to the technical field of data processing, and the system comprises a cold source self-control module which is used for dynamically adjusting the operation state of a cooling tower of primary side circulation and the flow of a circulating water pump according to cooling water parameters, and achieving the variable flow control of cooling water; the dynamic environment monitoring module is used for monitoring the secondary side pipeline state and the cabinet environment in real time through the cooling capacity distribution unit and the distributed sensor network; and the comprehensive monitoring sub-module is used for realizing leakage positioning through a built-in liquid leakage sensor, a temperature sensor and a pressure sensor, and automatically supplementing liquid by using a liquid storage tank. Through multi-mode sensor fusion, dynamic threshold value self-adaption and multi-parameter collaborative analysis, accurate leakage positioning and graded alarm are achieved, automatic liquid supplementing closed-loop control and variable flow adjustment are combined, the system reliability is improved, and energy consumption is reduced.

The invention discloses a liquid leakage monitoring method and system for a liquid cooling charging pile. The method comprises the following steps that liquid level information of cooling liquid in a liquid cooling pot is detected through a six-section type liquid level sensor; temperature information at the joint of the two charging guns is detected through the two temperature sensors; temperature information of the radiator inlet and outlet is detected through a temperature sensor; detecting pressure information of a water inlet of the water pump through a pressure sensor; opening or closing of the pipeline water inlet is controlled through the flow switch; and the monitoring system monitors the liquid leakage condition of the charging pile through the collected liquid level information, temperature information and pressure information in combination with a liquid leakage detection algorithm, and carries out corresponding liquid level alarm according to the liquid leakage condition. The problems that monitoring is not timely and not intelligent in the prior art are solved, the problem of cooling liquid leakage is found and processed in time through intelligent algorithm control, a high-precision sensor and real-time monitoring, and safe operation of the liquid cooling charging pile is ensured.

The invention provides a liquid cooling leakage detection system and a liquid cooling cabinet, and relates to the technical field of data center cooling. The system comprises a cabinet liquid leakage detection system, a server liquid leakage detection system and a liquid cooling control system, the cabinet liquid leakage detection system comprises a cabinet bottom plate detection sensor array arranged at the bottom of the liquid cooling cabinet and used for monitoring the liquid accumulation state in the liquid cooling cabinet in real time and generating a liquid accumulation signal; the server liquid leakage detection system comprises a cold plate detection unit of a cold plate arranged in the liquid cooling server and used for monitoring the cooling liquid leakage state of the cold plate in real time and generating a leakage signal of the cold plate; and the liquid cooling control system is in communication connection with the cabinet liquid leakage detection system and the server liquid leakage detection system, and is used for receiving and responding to the liquid accumulation signal and the leakage signal of the cold plate, generating alarm information and triggering a control instruction of corresponding control processing. According to the invention, the accuracy of liquid leakage detection is improved, so that the probability of missed detection is reduced.

The invention provides an aluminum alloy cable conductor preparation device and process, the aluminum alloy cable conductor preparation device comprises a bottom plate, and a turntable, a twisting disc, a threading ring and a winding assembly which are arranged on the bottom plate, and a plurality of aluminum alloy wire coils are rotatably mounted on the circumference of the turntable at equal intervals. Through cooperation of the liquid storage cavity, the conical liquid leakage hole and the plugging block in the lubricating cylinder, dynamic adjustment of line-moving liquid supply and line-stopping liquid sealing is achieved, when an aluminum alloy wire penetrates through, the ball is pushed, the plugging block is driven to move, a gap is formed between the plugging block and the liquid leakage hole, and lubricating liquid leaks to the surface of a wire body according to needs; when the wire body is paused, the spring I drives the stop block to reset and is matched with the sealing ring to realize sealing, so that waste of lubricating liquid is avoided; when the twisting disc rotates, the lubricating cylinder is synchronously driven to rotate, the distribution position of lubricating liquid in the liquid storage cavity is changed, the problem that local lubrication is interrupted due to insufficient liquid storage is effectively solved, it is ensured that multiple strands of aluminum alloy wires are evenly lubricated in the whole process, wire body abrasion is reduced, and the surface quality and mechanical strength of a twisted conductor are improved.

The invention provides a liquid leakage detection method and device for a liquid cooling device, and the method comprises the steps: obtaining the fluorescence intensity and magnetic field gradient of a surface detection region of the liquid cooling device; wherein the cooling liquid of the liquid cooling device contains a fluorescent marker and a magnetic marker; based on the fluorescence intensity and the magnetic field gradient, determining whether a liquid leakage risk exists in the detection area; in response to the liquid leakage risk of the detection area, obtaining the liquid leakage probability of each grid position of the detection area based on the fluorescence intensity and the magnetic field gradient; and determining a target grid position where liquid leakage occurs in the detection area based on the liquid leakage probability. According to the technical scheme of the invention, the detection precision and detection efficiency of liquid leakage of the liquid cooling device can be improved.

The utility model relates to the field of aerial work platforms, and discloses a liquid collecting device and an aerial work platform, and the liquid collecting device comprises a steering oil cylinder liquid receiving disc which is provided with a liquid receiving cavity used for receiving leaked liquid of a steering oil cylinder; the steering oil cylinder liquid receiving disc is detachably arranged on the liquid receiving disc mounting seat, the liquid receiving disc mounting seat is provided with a connecting part, and the connecting part is used for being connected with a cylinder body of a steering oil cylinder; and the limiting structure has a locking state and an unlocking state, when the limiting structure is in the locking state, the steering oil cylinder liquid receiving disc can be locked in the liquid receiving disc mounting base, and the steering oil cylinder liquid receiving disc can be taken out of the liquid receiving disc mounting base when the limiting structure is in the unlocking state. According to the liquid collecting device and the aerial work platform, leaked liquid of the steering oil cylinder can be collected, and the liquid leakage problem of the aerial work platform can be solved.

The utility model discloses a cabinet electrical element heat radiation structure and a water and electricity separated electrical cabinet, a cabinet body of the cabinet is provided with a first area and a second area which are separated by a first separator plate, and the first area is in a closed state; the first area is provided with a heat conduction piece, and the electrical element needing heat dissipation is attached to the heat conduction piece. The second area is provided with a radiator for radiating heat through circular flow of a cooling medium; the heat conduction piece extends towards the second area and penetrates through the first partition plate, and the part, extending to the second area, of the heat conduction piece extends into the cooling medium of the radiator. The heat dissipation structure can solve the problem that normal use of electrical elements in the cabinet is affected by liquid leakage when a liquid cooling radiator is adopted.

The invention discloses a liquid leakage detection system, a liquid cooling system and electronic equipment, and is applied to the technical field of liquid cooling, the liquid leakage detection system comprises a liquid leakage identification assembly, a branch comprises a first wire, a second wire and a plurality of liquid leakage conductive parts, and the first wire and / or the second wire are / is provided with a plurality of resistor parts connected in series; the leaked liquid conductive part is used for conducting the first wire and the second wire when absorbing leaked liquid; and the control system is used for determining the position of the node to be detected with liquid leakage. According to the liquid leakage detection system provided by the invention, by virtue of the change of the resistance value of the liquid leakage identification assembly, whether the to-be-detected node in the liquid cooling system leaks or not can be judged, and the liquid leakage position can be quickly judged according to the resistance value, so that the to-be-detected node with liquid leakage can be found; and the safety and reliability of the liquid cooling system are ensured.

The embodiment of the invention provides a liquid leakage detection method and system, a storage medium, an electronic device and a computer program product, and the method comprises the steps: obtaining an infrared image and space mapping information of at least one liquid-cooled cabinet, processing the infrared image through a pre-trained liquid leakage detection model, obtaining a segmentation mask of a leakage region and a non-leakage region, and obtaining the segmentation mask of the leakage region and the non-leakage region; and determining a central physical coordinate of the leakage area according to the segmentation mask, and determining a leakage position according to the space mapping information and the central physical coordinate. According to the technical scheme of the invention, the method can effectively solve the problems in the prior art that the plug-in box level leakage detection of a vertical liquid-cooled cabinet, especially the defects in the aspects of leakage source positioning and the like, achieves the effects of improving the detection precision and response speed under the condition of tiny leakage, and avoids the serious fault of a data center caused by liquid leakage. According to the embodiment of the invention, the leakage reason and the leakage rate can be identified by using deep learning, so that the response speed of operation and maintenance personnel is improved.

The utility model relates to the field of aerial work platforms, and discloses an aerial work platform which comprises a chassis provided with a maintenance opening and a door body capable of sealing the maintenance opening. The power unit is arranged in the chassis; the liquid collecting assembly is arranged in the chassis and located below the power unit, the liquid collecting assembly comprises a power unit liquid receiving disc and a liquid receiving disc mounting piece, the liquid receiving disc mounting piece is provided with a liquid receiving disc sliding groove, and the power unit liquid receiving disc is arranged in the liquid receiving disc sliding groove in a sliding mode and is provided with a liquid receiving cavity used for receiving leaked liquid of the power unit; when the door body is in a closed state, the power unit liquid receiving disc can be locked in the liquid receiving disc sliding groove, and the power unit liquid receiving disc can be pulled out of the liquid receiving disc sliding groove when the door body is in an open state. According to the aerial work platform, leaked liquid of the power unit can be collected, and the liquid leakage problem of the aerial work platform can be solved.

The invention belongs to the technical field of new energy automobile liquid cooling systems and liquid leakage detection methods, and particularly discloses a liquid cooling plate liquid leakage detection system and a liquid leakage detection method.Pressure detection modules are arranged at a liquid inlet and a liquid outlet of a liquid cooling plate, the pressure difference of the liquid inlet and the liquid outlet of the liquid cooling plate is collected in real time, and whether liquid leakage occurs or not is judged through a processing module; meanwhile, more than three acoustic emission signal detection modules are arranged on the liquid cooling plate, acoustic emission signals on the surface of the liquid cooling plate are collected in real time, a processing module calculates the information source position of the acoustic emission signals through a positioning algorithm and stores the information source position, the information source position is further compared with the storage time of the liquid leakage judgment result, and the liquid leakage point position of the liquid cooling plate is determined. The method is implemented through the virtual mirror image model of the liquid cooling plate, so that a vehicle user or a maintainer can quickly and accurately position the liquid leakage position and take corresponding treatment measures, and the maintenance efficiency can be improved. According to the invention, the real-time accurate monitoring of the liquid leakage condition of the liquid cooling plate is realized, and the liquid leakage point positioning and display functions are realized.

The invention relates to the field of computers and auxiliary equipment, and discloses a high-density server-oriented multi-channel parallel liquid cooling cabinet, which comprises a server cabinet body and a multi-channel liquid cooling heat dissipation cabinet, a liquid leakage detection mechanism; the liquid leakage detection mechanism is arranged at the bottom of the multi-channel liquid cooling heat dissipation cabinet, the liquid leakage detection mechanism is used for detecting the liquid leakage condition of the parallel liquid cooling mechanism, and the liquid leakage detection mechanism comprises a liquid leakage detection plate, a flow guide plate, a leaked liquid collection barrel, a liquid level switch, a powder coating, a flow guide opening and a supporting frame. The mode that powder coating mark leaving and liquid level switch alarming are combined is adopted, graded response to the liquid leakage amount is achieved, and when a small amount of liquid is leaked, the powder coating provides early warning; when the liquid leakage amount is increased, the liquid level switch triggers the alarm to give out a sound-light alarm, and the graded alarm mechanism enables a manager to carry out corresponding treatment according to the liquid leakage condition, so that the response efficiency is improved.

The utility model relates to the field of aerial work platforms, and discloses an oil cylinder liquid collecting assembly and an aerial work platform, and the oil cylinder liquid collecting assembly comprises an oil cylinder liquid receiving part, a liquid collecting part and a liquid collecting part, the sliding groove piece is arranged below the oil cylinder and provided with a liquid receiving disc sliding groove, and the oil cylinder liquid receiving piece is arranged in the liquid receiving disc sliding groove in a sliding mode; and the liquid baffle is arranged on a mounting structural part of the oil cylinder and is used for guiding leaked liquid of the oil cylinder into the liquid receiving cavity. The oil cylinder liquid collecting assembly can comprise two liquid baffles which are arranged in a spaced mode, and a liquid guiding flow channel can be defined between the inner side plate faces of the two liquid baffles and the peripheral wall of the installation structural part. The lower plate ends of the two liquid baffles can be bent in the direction close to each other, so that an outlet in the lower end of the liquid guide flow channel is gradually narrowed. According to the oil cylinder liquid collecting assembly and the aerial work platform, leaked liquid of the oil cylinder can be collected, and the liquid leakage problem of the aerial work platform can be solved.

The invention relates to the technical field of high-voltage commutation, and discloses a control method and system for a composite LC filter of a high-voltage converter station, and a storage medium. According to the method, on the basis of staggered solid / liquid-filled dielectric plates and series hollow inductors in a sealed oil tank, by obtaining a capacitance / inductance adjusting instruction, the filling and pumping volume and speed of insulating liquid and magnetic liquid are controlled according to the absolute value of an adjusting value, and continuous and accurate adjustment of the filtering frequency and reactive power is achieved. The method comprises multiple optimization: monitoring high fluctuation of liquid, synchronously filling, pumping and radiating, balancing efficiency and energy consumption according to an adjusting frequency adaptive circulation speed, and performing reverse linkage cooperative adjustment on a dielectric medium pump and a magnetic liquid pump; and magnetic liquid leakage and insulation abnormity are treated in stages, so that operation is guaranteed. The method solves a traditional adjustment dead zone, does not need a power electronic device, is low in cost, is small in loss, is adaptive to outdoors, and improves the electric energy quality and equipment safety of a converter station.

The invention discloses a server mainboard water-cooling cooling device with a liquid leakage detection structure, and relates to the technical field of mainboard cooling, the server mainboard water-cooling cooling device comprises a case, a heat dissipation assembly used for dissipating heat of a mainboard body is arranged in the case, a plurality of heat dissipation fins are arranged in the heat dissipation assembly, and a liquid leakage detection structure is arranged in the case. A cooling assembly used for rapidly reducing the surface temperature of the heat dissipation fins is arranged in the machine box. Compared with the first water cooling pipe, the two ends of the second water cooling pipe are designed in a crossed mode and are finally connected with the first main header pipe and the second main header pipe, so that cooling liquid in the first water cooling pipe flows from the side close to the first main header pipe to the other side; the cooling liquid in the second water cooling pipe flows from one side close to the second main header to the other side, the flowing directions of the cooling liquid in the two water cooling pipes are opposite, and the defect that the heat exchange effect is reduced when the cooling liquid flows to the rear section is mutually compensated, so that the temperature reduction amplitudes of the cooling fins at all positions are roughly the same; and the problem that the local temperature of the mainboard body is relatively high is avoided.

The invention discloses a new energy automobile power supply assembly aluminum alloy radiator, and relates to the technical field of radiators, the new energy automobile power supply assembly aluminum alloy radiator comprises a radiator main body, a lower cover is arranged below the radiator main body, connecting edges are connected to the peripheral edges of the upper surface of the lower cover, a mounting frame is arranged below the connecting edges, and a water bag is connected to the upper surface of the lower cover; a cooling liquid circulation groove distributed in an S-shaped zigzag mode is formed in the radiator body, a second liquid inlet pipe is installed in the portion, on one side of the cooling liquid circulation groove, of the radiator body, and a first liquid outlet pipe is installed in the portion, on the other side of the cooling liquid circulation groove, of the radiator body. Through the arrangement of the connecting edge, the first spring and the water bag, primary buffering of collision can be achieved through compression of the first spring, secondary buffering of collision can be achieved through the water bag, the water bag is filled with cooling liquid, the good anti-impact effect is achieved, and the radiator body can be effectively prevented from being deformed, broken or even leaked due to collision.

The server comprises a bottom shell, the bottom shell is divided into a first installation area and a second installation area, a first functional module is installed in the first installation area, a second functional module is installed in the second installation area, the bottom shell is further provided with a liquid outlet, and the liquid outlet is communicated with the first functional module and the second functional module. The liquid outlet is communicated with the first mounting area; the liquid cooling module is mounted and matched with the first functional module and is used for dissipating heat of the first functional module; the first partition structure is arranged on the bottom shell and separates the first mounting area from the second mounting area; the bottom shell is further provided with a drainage structure, and the drainage structure is used for guiding leaked liquid generated by the liquid cooling module to flow towards the liquid outlet. The leaked liquid is guided by the drainage structure to flow towards the liquid outlet and is finally discharged from the liquid outlet, so that the second functional module is prevented from being damaged by the leaked liquid, potential safety hazards are eliminated, and the safety of the server is protected.

The utility model discloses a structural settlement diagnostor which comprises an intelligent gateway, a liquid storage tank, a static level gauge a, a static level gauge b and a static level gauge c which are respectively connected in series through an air pipe, a liquid pipe and a communication bus. When the static force level gauge a, the static force level gauge b and the static force level gauge c are replaced and maintained, the connecting nut is rotated, the connector a and the connector b are separated, no pressure exists between the ejector rod and the conical round head b, under the action of resilience force of the elastic piece a and the elastic piece b, the inner taper hole round plate a makes contact with the conical round head a, the connector a is sealed, and the static force level gauge c is maintained. And an inner taper hole circular plate b is in contact with a conical round head b to seal a connector b, so that the condition of liquid leakage is avoided after the liquid pipe is detached, and the maintenance difficulty is reduced.

The invention provides a liquid leakage detection circuit, a mainboard and a liquid cooling server, and relates to the technical field of liquid cooling server design. The circuit comprises a differential signal generation module, a signal comparison module and a logic judgment module, the differential signal generation module comprises two liquid leakage detection cables, one liquid leakage detection cable is connected to a power supply voltage through a pull-up resistor, the other liquid leakage detection cable is grounded through a pull-down resistor, the two detection cables form a differential wiring pair in a PCB layout, and the signal comparison module is connected with the logic judgment module. The signal generator is used for generating differential detection signal pairs; the input end of the signal comparison module is connected with the detection cables, and the signal comparison module is used for outputting a differential voltage signal corresponding to the impedance change between the two detection cables based on the signal pair; and the logic judgment module is connected with the output end of the signal comparison module and is used for judging whether liquid leakage occurs or not based on the differential voltage signal and a preset threshold voltage signal. By adopting the differential signal design, noise interference can be reduced, and the problem of liquid leakage false alarm caused by noise interference is remarkably improved.

The utility model belongs to the technical field of medical instruments and equipment, and discloses a cover plate assembly, a minicell and a capsule endoscope, the cover plate assembly comprises a cover plate, a pole structure and a sealing ring, the cover plate is used for sealing an opening and is in sealing fit with the side wall of the opening, so that sealing is formed between the cover plate and a shell; a sealing ring accommodating groove is formed in the peripheral side wall of the pole structure; the sealing ring is arranged on the peripheral side wall of the pole structure, is accommodated in the sealing ring accommodating groove and is in sealing fit with the sealing ring accommodating groove, so that the sealing performance between the sealing ring and the pole structure is enhanced, the position of the sealing ring relative to the pole structure is fixed, the assembly is convenient, and the service life is prolonged. The outer peripheral side wall of the sealing ring is in sealing fit with the inner peripheral side wall of the cover plate, so that the inner side and the outer side of the sealing ring can form good sealing with the pole structure and the cover plate respectively, liquid leakage is avoided, meanwhile, a traditional glass sealing structure is replaced by the sealing ring, and the machining and precision control difficulty can be reduced.

The utility model provides a liquid cooling assembly and a battery pack. The liquid cooling assembly comprises a plurality of liquid cooling plates arranged at intervals and a main pipe, a mounting space for mounting a heating body is formed between every two adjacent liquid cooling plates, and each liquid cooling plate comprises a flow channel part and a pipe nozzle communicated with the flow channel part; the main pipe comprises a plurality of connectors, the connectors are in one-to-one corresponding expanded connection with the pipe nozzles, the connectors are inserted into the pipe nozzles, supporting rings are arranged on the inner walls of the connectors and overlapped with the pipe nozzles, and the elastic modulus of the supporting rings is larger than that of the connectors. The supporting ring is arranged on the inner wall of the connector, the elastic modulus of the supporting ring is larger than that of the connector, the supporting ring is not prone to deformation relative to the connector, liquid leakage caused by the fact that the connector is crushed after insertion is prevented, and therefore the problems that the connection reliability of the connector and the liquid cooling plate is poor, liquid leakage is prone to occurring, and the reliability is poor are solved. And the cooling effect of the liquid cooling assembly is influenced.

The utility model provides a shunting assembly and heating and ventilation equipment, the shunting assembly comprises a shell, a plate body and an inlet pipe, an expansion cavity is defined in the shell, the expansion cavity is provided with an opening, the shell is further provided with an inflow hole communicated with the expansion cavity, and the inflow hole is located at one end, deviating from the opening, of the expansion cavity; the plate body is installed on the shell and seals the opening, the plate body is provided with a plurality of flow dividing holes, and the flow dividing holes are communicated with the expansion cavity; one end of the inlet pipe is connected with the shell and communicated with the inflow hole, and the other end of the inlet pipe is used for introducing fluid; the shell and the inlet pipe are of an integrated metal plate structure. The shell and the inlet pipe are integrally formed by a sheet metal part through a sheet metal machining process, and particularly, the shell and the inlet pipe can be manufactured in a mode of extrusion forming of a cylindrical sheet metal part or coiling forming of a sheet metal part in a prefabricated shape, so that the whole structure is few in connecting points, higher in structural strength, higher in production efficiency and free of leakage points, and parts are reduced. And the hidden danger of liquid leakage during use is reduced.

The utility model relates to the technical field of laser devices, and discloses a laser assembly and a solid laser thereof, and the laser assembly comprises a liquid cooling heat dissipation block which is provided with an installation cavity arranged along the axial direction in a through manner, and is used for introducing a cooling medium; the number of the laser array modules is at least two, each laser array module comprises a strip-shaped heat conduction block and a plurality of bar units arranged in an arrayed mode, the bar units on each heat conduction block are connected in series, the heat conduction blocks are all arranged on the inner wall of the installation cavity and arranged in the circumferential direction, and the heat conduction blocks are used for conducting heat of the bar units to the liquid cooling heat dissipation block; and the heat is taken away by a cooling medium introduced into the liquid cooling heat dissipation block. By means of the mode, on the premise that it is guaranteed that the laser has high power and heat dissipation efficiency, it is guaranteed that no liquid leakage problem occurs after long-term use, the strip-shaped heat conduction blocks and the multiple strip units arranged in the extending direction of the heat conduction blocks can be replaced, and the maintenance cost of the laser is reduced.

The embodiment of the utility model provides a base assembly and a dish-washing machine, the base assembly comprises a base and a water retaining structure, an inner container has a liquid dropping level where leaked liquid drops, an electric appliance is installed through the base, the water retaining structure is arranged above a base body, the water retaining structure is provided with a water receiving groove, and when the inner container is placed on the base, the water receiving groove is located below the liquid dropping level; leaked liquid flowing out of the liquid dropping level is received through the water receiving groove, the probability that splashed water makes contact with an electric appliance in an electric shock mode can be reduced through the side wall forming the water receiving groove, and therefore the probability of electric shock accidents is reduced.

The invention discloses a liquid cooling system leakage detection method and device. The method comprises the steps that direct detection is conducted firstly, whether liquid exists or not is judged through a liquid leakage signal, if yes, whether condensation risk exists or not is judged, if yes, a normal operation judgment result is output, and if not, a leakage judgment result is output. A liquid level characteristic map is searched based on the real-time temperature and the real-time liquid supply pressure to obtain a liquid level calculation value # imgabs0 #, a liquid level measured value # imgabs1 # and a liquid level calculation value # imgabs2 # are compared, if the # imgabs3 # is compared, a leakage judgment result is output, if the # imgabs4 # is output, a normal operation judgment result is output, if the normal operation judgment result is output through direct detection and indirect detection, the liquid cooling system is normal, and if the normal operation judgment result is output through direct detection and indirect detection, the liquid cooling system is normal. Otherwise, the liquid cooling system leaks. Through condensation interference elimination in direct detection and a liquid level dynamic compensation model in indirect detection, in combination with non-leakage, namely normal fusion judgment logic, anti-interference in a high-humidity environment, full-liquid-path leakage coverage and real-time dynamic calibration are realized.

The invention provides a performance failure experiment device for a gapless viscous damper, and relates to the technical field of viscous damper performance failure experiments. A control panel is mounted on the front side of the top of the damper positioning part; a damper supporting part is mounted in the center of the top of the damper positioning part; the right side of the damper positioning part is provided with the performance experiment part. A liquid leakage detection part is mounted on the damper positioning part; an extrusion moving part is mounted on the damper positioning part; two groups of movable limiting parts are mounted at the top of the liquid leakage detection part; the viscous damper is supported, and continuous friction between the outer wall of the viscous damper and the experimental device is avoided; the problems that the service life of the experimental device is affected and the outer wall of the viscous damper is abraded due to continuous friction between the outer wall of the viscous damper and the experimental device when a performance failure experiment is carried out due to lack of a supporting structure generally are solved.

The invention belongs to the technical field of server cabinets, particularly relates to a liquid-cooled server cabinet, and aims to solve the problem that an existing liquid-cooled server cabinet lacks an effective liquid leakage detection measure, and provides the following scheme: the liquid-cooled server cabinet comprises a cabinet body; the upper side of the annular frame is in contact with the bottom of the cabinet body, and the bottom of the annular frame is fixedly connected with a bearing disc; the bottom of the annular rail is fixedly connected with the upper side of the bearing disc, and the annular rail is located below the cabinet body; and the circular track detection module is located outside the circular track. According to the liquid-cooled server cabinet disclosed by the invention, comprehensive cooling liquid leakage points of the cabinet body can be detected and positioned in the use process of the cabinet body, so that the sealing performance of the cabinet body is ensured, and the cooling liquid in the cabinet body can effectively cool a running server; the cooling effect of the cabinet body is improved, and the use performance of the cabinet body is ensured.

The utility model relates to the technical field of reciprocating plunger pumps, and provides a plunger pressing sleeve assembly of a reciprocating plunger pump, which comprises a pressing sleeve, one end of the inner wall of the pressing sleeve is provided with a limiting part, and one side of the limiting part is sleeved with a spring and a sealing filler which are tightly attached to the inner wall of the pressing sleeve; through the wave spring, the sealing performance is improved, and the abrasion loss of a sealing material is compensated; the structure is simple, the dismounting efficiency is high, and the maintenance cost and time are reduced; the leakage flow direction is changed, and emulsification of crankcase lubricating oil is avoided; the device is made of a high-strength material, and is good in compression resistance and corrosion resistance.

The invention discloses a method for predicting a stratum drilling fluid easy-to-leak position by using logging data, which relates to the field of petroleum and natural gas exploration and development, and is characterized in that the stratum drilling fluid easy-to-leak position is predicted through five or more sample adjacent well target stratum rock mineral components, lithology, fracture and pore morphological characteristics and rock mechanics experimental tests; the rock tensile strength performance, the stratum leakage channel and the reservoir space characteristics of the target stratum are revealed, and rock mechanical parameters and ground stress are obtained; on the basis of fine division of small layers of a target stratum, performing thinning or interpolation processing on rock mechanical parameters, ground stress and stratum pressure data of a sample adjacent well, and determining a prediction weight according to a distance between the adjacent well and a prediction well to realize prediction calculation of target stratum data of the prediction well; and calculating and predicting collapse pressure, leakage pressure and fracture pressure of the target stratum of the well, and correcting the collapse pressure, the leakage pressure and the fracture pressure according to the mode so as to predict the stratum drilling fluid leakage-prone position before drilling. According to the method, the drilling fluid easy-to-leak position can be subjected to pre-drilling fine prediction, and quality-improving and efficiency-improving drilling of the complex easy-to-leak stratum is achieved.