2177 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.

Embodiments include a choke system that passes enlarged debris despite having a relatively small diameter for an input port of the choke system. Embodiments also include systems to prevent dislodging of a choke seat when backpressure is supplied to the choke system. Embodiments also include sealing systems to prevent fluid leaks around the choke seat of the choke system.

The invention discloses a liquid cooling module, a server and a control method of the server, and relates to the technical field of servers. The liquid cooling module comprises a liquid cooling plate, a connecting pipe, a detection assembly, a control valve and a controller, the liquid cooling plate is connected with a preset part of the server, the connecting pipe is connected with the liquid cooling plate to enable cooling liquid to keep flowing, the preset part is cooled, the heat dissipation effect and the heat dissipation utilization rate of the cooling liquid are improved, and the heat dissipation efficiency is improved under the condition that the heat dissipation requirement is met. The running power consumption of the server and the performance of the server are improved through flowing of the cooling liquid. The control valve and the pressure detector are arranged on the connecting pipe, and the liquid leakage detector is arranged on the liquid cooling plate so as to monitor the cooling liquid and reduce the liquid leakage probability of the liquid cooling module. And the detection assembly and the control valve are electrically connected with the controller, so that self-adaptive operation of the server is realized, the server is kept in a stable operation state, the temperature of the preset part is prevented from being too high, and the influence of temperature rise of the preset part on the operation power consumption and the operation performance of the server is reduced.

The invention discloses a temperature control ball valve self-adaptive to temperature difference change, and relates to the technical field of valves, the temperature control ball valve comprises a valve seat, a buckling valve piece, a collaboration piece and a valve rod; the valve seat is fixedly connected with the buckling valve piece through a bolt, the valve seat and the buckling valve piece are buckled to form a circulation pipeline, the cooperation piece is arranged above the buckling valve piece, and the valve rod is vertically arranged in the valve seat and the buckling valve piece; by means of the design of the deformability detection assembly, safe and stable operation of the system can be guaranteed for the valve body with the valve rod deformability detection function, faults can be early warned in advance, the deformation condition of the valve rod can be monitored in real time, early warning can be given out in time when tiny deformation of the valve rod begins, and the safety of the valve rod is guaranteed. Workers can take measures in advance, and the serious problems that the ball valve cannot be normally opened and closed and fluid leaks due to further aggravation of deformation of the valve rod are solved, so that safe and stable operation of a whole pipeline system is guaranteed.

The invention relates to the technical field of new energy storage, and discloses a liquid leakage detection and collection method for a galvanic pile of a flow battery energy storage system, which comprises the following steps of: arranging a humidity sensor, a gas sensor, a temperature sensor, a visual sensor and a pressure sensor in a key area of the galvanic pile to form a high-density detection network of multi-source data; sensor data are collected and transmitted to a control center in real time, multi-source data are fused through Kalman filtering, Bayesian estimation and a deep learning model, and feature information of liquid leakage is obtained; and based on feature information of multi-source data fusion, a multi-point interpolation method and three-dimensional space modeling are used to realize positioning of a liquid leakage area. The intelligent grading response and control technical scheme is adopted, and factors such as leakage diffusion and environmental conditions are dynamically analyzed, so that grading self-adaptive response of operations such as isolation, cooling, load shedding and shutdown is realized, and compared with the scheme that only single isolation or shutdown is adopted to cope with a leakage event in the prior art.

The utility model relates to the technical field of coal mine paste filling, in particular to an end plugging support for coal mine paste filling, which comprises a base, a lower baffle and an upper baffle, the lower baffle is arranged on the side face of the base, the upper baffle is arranged at the upper end of the lower baffle, and a connecting structure is arranged on the side face of the lower baffle. Firstly, the multiple supports are attached together side by side, then the connecting bolts are inserted into the connecting blocks on the side edges of the two supports, then the nuts are screwed to the surfaces of the connecting bolts to connect and fix the supports, then the limiting rods are placed on the surfaces of the fixing blocks, and then the fixing covers are placed above the fixing blocks. The fixing cover and the limiting rod are attached, and the fixing bolt is screwed into the fixing block to fix the fixing cover, so that the limiting rod limits the supports, and the situation that the supports are misplaced, consequently, gaps exist between the supports, liquid leakage occurs, and the blocking efficiency is reduced is prevented.

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 utility model provides an auxiliary installation device and a server, relates to the technical field of servers, and is used for solving the problems that a stress point of a PCIE liquid cooling card is not fixed and is difficult to insert in place at a time, and the auxiliary installation device comprises a pressing plate, a supporting seat, an elastic supporting piece and a wrench; the supporting seat is provided with a containing groove, and the elastic supporting piece and the pressing plate are arranged in the containing groove. The elastic supporting piece is arranged below the pressing plate and used for supporting the pressing plate. The wrench abuts against the pressing plate, and the wrench can rotate relative to the supporting base so that the pressing plate can be driven by the wrench to slide to the first position or the second position. When the pressing plate slides to the first position, the edge, in the length direction, of the pressing plate protrudes out of the corresponding edge of the supporting base. When the pressing plate slides to the second position, the edge, in the length direction, of the pressing plate is flush with the corresponding edge of the supporting base. According to the auxiliary installation device and the server provided by the invention, the stress point is fixed, the PCIE liquid cooling card can be inserted in place at one time, and the liquid leakage risk at the blind plug position is reduced.

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 present application belongs to the technical field of batteries. Disclosed are a thermal management system and a battery pack. The thermal management system comprises connecting pipes and a plurality of liquid cooling plates, wherein the plurality of liquid cooling plates are spaced apart in a first direction, and the liquid cooling plates are provided with pipe joints; each connecting pipe is arranged between every two adjacent liquid cooling plates, with two axial ends of the connecting pipe being respectively inserted into the interior of the pipe joints of the two adjacent liquid cooling plates, so as to bring the two adjacent liquid cooling plates into communication; and the stiffness of the pipe joints is greater than the stiffness of the connecting pipes. In the present application, the assembly between the connecting pipes and the pipe joints can be realized, and the reliability and stability of the assembly between the connecting pipes and the pipe joints are improved, and thus the reliability of the connection between adjacent liquid cooling plates can be improved, thereby avoiding liquid leakage between the adjacent liquid cooling plates.

The utility model relates to the technical field of batteries, in particular to a battery cell cover plate and a blade battery cell, the battery cell cover plate comprises a cover plate body, a lower plastic part and an anti-explosion valve, a liquid injection through hole is formed in the cover plate body, the anti-explosion valve is installed on the cover plate body and located on the outer side of the liquid injection through hole, and the anti-explosion valve can communicate with the inner side of the cover plate body through the liquid injection through hole; the lower plastic part is installed on the inner side of the cover plate body, and an exhaust hole communicated with the liquid injection through hole is formed in the lower plastic part. Therefore, the anti-explosion valve welding hole and the liquid injection hole are combined into a whole, that is, the liquid injection through hole is designed in the same cover plate body, the anti-explosion valve and the sealing nail are designed into a whole, and after secondary liquid injection is completed, the anti-explosion valve is placed in the corresponding liquid injection through hole to be welded and sealed such as laser welding; and the explosion-proof valve can be used as a sealing nail for sealing and preventing liquid leakage, and also can realize explosion-proof and exhaust functions, so that a welding procedure is saved, the scrap probability of the blade battery cell is reduced, and the yield is favorably improved.

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 vacuum bottle comprises an outer bottle body and the inner bottle body, an opening is formed in the bottom of the outer bottle body, a rotating sleeve is arranged in the outer bottle body, an M-shaped sliding groove is formed in the side wall of the rotating sleeve, and a plurality of sliding groove inlets and sliding groove outlets are formed in the lower edge of the sliding groove; a protrusion is arranged on the side wall of a bottle opening of the inner bottle and can enter the sliding groove from the sliding groove inlet. According to the vacuum bottle with the replaceable inner bottle, the inner bottle can be rapidly and conveniently replaced, environmental protection is facilitated, and the customer experience is improved. In addition, according to the vacuum bottle with the replaceable inner bottle, locking of the head cap and the inner bottle can be achieved, leakage of the cosmetics in the transportation process after the cosmetics are loaded or in the travel process of a user is prevented, and the cleanliness of cosmetic packages is improved.

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 invention discloses methylamine rectification equipment, a separation and purification assembly and a purification process, and relates to the technical field of methylamine processing.The methylamine rectification equipment comprises a tower body, a skirt is arranged at the bottom of the tower body, a manhole is formed in the side face of the skirt, a drain pipe is arranged at the bottom of the tower body, a ventilation hole is formed in the side face of the skirt, and a steam ingress pipe is arranged at the bottom of the side face of the tower body; a liquid inlet pipe is arranged on the side face of the tower body, a backflow pipe and a tower body top hanging column are arranged on the two sides of the top of the side face of the tower body respectively, a steam guide-out pipe is arranged at the top end of the tower body, a gas-liquid separator is arranged on the top side of the interior of the tower body, and tower plate assemblies are vertically arranged in the tower body in a staggered mode. Moreover, when the tower plate leaks liquid, monitoring is carried out in time, process parameters are adjusted in time, in addition, the flow speed of liquid on the tower plate can be adjusted conveniently according to production requirements, and blockage clearing can be intervened in time conveniently when the tower plate is blocked.

The invention provides a liquid sampling bottle sealing structure for a radioactive environment and a use method, and belongs to the technical field of sampling and sample sending in a radioactive environment factory building, and the liquid sampling bottle sealing structure is characterized in that a bottle plug main body is embedded into a bottle opening and is tightly attached to the inner side wall of the bottle opening to form a first layer of sealing; after the bottle plug main body is embedded into the bottle opening, the first sealing part is tightly attached to the end face of the bottle opening to form a second layer of sealing; the second sealing part is tightly attached to the inner wall surface of the bottle opening to form a third layer of sealing; through the triple extrusion sealing structure design of different positions of the sealing plug and the bottle opening, and three-stage sealing does not interfere with each other, good sealing inclusiveness between the sealing plug and the bottle opening is guaranteed, and it is guaranteed that sampling liquid in the bottle does not leak in the sampling and sample sending process; after sample liquid enters the sampling bottle, the sampling bottle does not need to be opened, and the second sealing part which protrudes outwards is embedded into the bottle opening and is clamped and locked with the bottle opening, so that the stability and the reliability of sealing connection between the sealing plug and the bottle opening are ensured, and the conditions that the state in the bottle is damaged and liquid leaks are prevented.

The invention provides a water conservancy pipeline flow control valve which comprises a valve element and a valve seat, the valve element comprises a first valve element body, and a plurality of sealing contact faces are arranged on the first valve element body. An elastic sealing ring is fixedly arranged on the valve seat, and when the valve is in a closed state, the elastic sealing ring makes contact with the multiple sealing contact faces. The valve element comprises a second valve element, the second valve element is coaxially arranged in the first valve element, the first valve element and the second valve element form a moving channel, and the moving channel enables the elastic sealing ring to accurately make contact with the multiple sealing contact faces in the valve closing state. The multiple sealing contact surfaces arranged on the valve element make contact with the elastic sealing ring, resistance needing to be overcome when fluid leaks through the sealing surfaces is increased, and therefore the sealing effect is enhanced, and the problem that leakage points are prone to occurring due to the fact that a traditional water conservancy pipeline flow control valve is single in sealing surface and insufficient in contact area is effectively solved.

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 relates to the technical field of liquid chromatographs, and discloses a liquid chromatograph for ademetionine detection, which comprises a tray, a controller, an on-line degasser, a first pump machine, a second pump machine, a detector, an automatic sampler I, an automatic sampler II and a column oven, and is characterized in that the on-line degasser is arranged on the tray; the tray, the controller, the online degasser, the first pump and the second pump are sequentially distributed from top to bottom, the detector, the first automatic sampler and the second automatic sampler are sequentially distributed from top to bottom, the second pump, the second automatic sampler and the column oven are sequentially distributed from left to right, and four solvent bottles are placed in the tray. The solvent bottle is stabilized by arranging the fixing assembly, the suction filtration assembly adopts a replaceable filter element structure to avoid blockage, a T-shaped block and a tension spring are designed below the sample rack to ensure resetting, a cleaning assembly and an exhaust fan are arranged in the column oven to quickly clean leaked liquid and accelerate drying, and the stability, the maintenance convenience and the working efficiency of the equipment are improved.

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.