1187 results about "Fluid Leak" patented technology

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 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 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 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 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 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 an equipment liquid leakage joint prevention control method and electronic equipment, and relates to the technical field of liquid leakage detection, the method depends on a collaborative architecture of a management controller, an interface module and a computing module, and the liquid leakage joint prevention control is realized through a first logic device of the interface module by the management controller. Reading liquid leakage detection data which is transmitted by a second logic device of each node of the calculation module and is subjected to transmission verification; the key information is extracted from the liquid leakage detection data to confirm whether an effective liquid leakage event occurs or not and the corresponding liquid leakage node, so that early warning and accurate positioning of liquid leakage hidden dangers are realized. After an effective liquid leakage event is confirmed, risk grading is carried out on the nodes by combining a pre-configured grading rule based on a three-dimensional space topological relation between the liquid leakage nodes and other nodes; different processing strategies are executed on nodes of different risk levels, an active joint defense and joint control mechanism is formed, the risk of serial hardware damage caused by single-node liquid leakage can be effectively reduced, and the overall reliability and maintainability of equipment are improved.

The embodiment of the invention provides a liquid leakage detection method and device for a liquid cooling system of a server and a liquid leakage detection system. The method comprises the steps that air indexes of at least one first air sensor are sequentially obtained at a preset first time interval; wherein each first air sensor is deployed at a preset point position in the server and is used for measuring an air index in the server; an air index of the first air sensor represents the severity of air pollution caused by leakage of cooling liquid of the liquid cooling system in the server; if it is determined that the air index of the first air sensor is larger than or equal to a preset normal threshold value, early warning information is generated and sent to a substrate controller of the server; wherein the early warning information represents that a cooling liquid leakage phenomenon exists in the liquid cooling system of the server. The method is used for detecting the liquid leakage phenomenon of the liquid cooling system in time, and the real-time performance of liquid leakage phenomenon detection is improved.

The invention relates to the field of valve sealing tests, in particular to a valve sealing test device which comprises a test board, a moving frame is arranged on the upper portion of the test board, a placing plate is arranged on the moving frame, a fixing mechanism used for fixing a plurality of exhaust valves is arranged on the placing plate, and a water tank is arranged on the upper portion of the test board. When the exhaust valve is subjected to a sealing test, the test environment conforms to the working conditions of pressure, temperature, vibration, mounting angle and the like during actual use of the exhaust valve by utilizing the cooperation of the variable frequency water pump, the heating pipe and the rotating cylinder, the problem that a traditional static test result deviates from real performance is solved, and the accuracy of the test result is greatly improved; meanwhile, the exhaust valve is inverted to measure the liquid leakage amount, the blank of quantitative detection of the liquid leakage amount in a special scene is filled up, the potential safety hazard that the liquid leakage amount exceeds the standard in practical application when the test is qualified is avoided, and the device can meet the high-precision test requirement.

The dish washing machine comprises an inner container, a base and a liquid leakage detection device, the base is connected with the inner container and located below the inner container, the base comprises a bottom plate and a side plate connected to the periphery of the bottom plate, a detection cavity is formed in the bottom plate, and a mounting platform is arranged at the top of the side plate; the installation platform and the outer side wall of the inner container are at least partially overlapped in the vertical direction, the installation platform is provided with an electric appliance installation part and a diversion trench, the electric appliance installation part is located on the inner side of the bottom of the inner container, and the diversion trench is communicated with the detection cavity and used for draining leaked liquid seeping out of the inner container so as to avoid the electric appliance installation part and guide the leaked liquid to the detection cavity; the liquid leakage detection device is installed in the detection cavity of the bottom plate. The flow guide groove quickly guides the leaked liquid to the detection cavity, and the liquid leakage detection device gives an alarm after detecting the leaked liquid, so that water leakage of the inner container of the dish washing machine is quickly and effectively found. Meanwhile, leaked liquid is collected in a specific flow channel through the flow guide groove so as to avoid an electric appliance installation part, and safety is improved.

The invention discloses a liquid leakage monitoring method and system for a liquid cooling server. The method comprises the following steps: arranging a humidity sensor array on a server cold plate; the humidity increment of each humidity sensor is monitored in real time, and when the humidity increment exceeds a threshold value, the current humidity sensor is verified through the heating pulse; after heating, if the temperature still exceeds the threshold value, starting space consistency detection and humidity increment change rate detection, and giving an alarm according to a detection result. The distributed humidity sensors are arranged at the key positions of the liquid cooling board card, and distributed real-time monitoring and data analysis are performed on the internal environment of the server in combination with three algorithms of dynamic baseline filtering, space consistency and time trend analysis, so that accurate and rapid detection and early warning of local liquid leakage of the board card can be realized.

The utility model provides a heat exchange assembly, a battery pack and a vehicle, and relates to the technical field of power batteries. The heat exchange assembly comprises a connecting piece, a connecting base and a cold plate. The connecting piece is arranged on the connecting seat, a first flow channel and a second flow channel are arranged in the connecting piece, and the first flow channel and the second flow channel are respectively communicated with the expansion valve; a liquid inlet through pipe and a liquid outlet through pipe are arranged on the cold plate, the liquid inlet through pipe is inserted into the connecting base and communicates with the first flow channel, and the liquid outlet through pipe is inserted into the connecting base and communicates with the second flow channel; the first flow channel of the connecting piece is communicated with the liquid inlet through pipe, and the second flow channel of the connecting piece is communicated with the liquid outlet through pipe so that the expansion valve and the cold plate can be directly integrated together, the overall structure is more compact, and installation with the expansion valve is facilitated. The connecting piece is arranged on the connecting base, the liquid inlet through pipe and the liquid outlet through pipe are both inserted into the connecting base, it can be guaranteed that connection between the connecting piece and the liquid inlet through pipe and connection between the connecting piece and the liquid outlet through pipe are more stable, and the problems of looseness or liquid leakage and the like caused by bumping of a vehicle are solved.

The evaporator comprises a container main body, a cover body and a sealing piece, the container main body comprises a containing part and a first convex edge part which are connected, the first convex edge part is arranged in a protruding mode relative to the outer periphery of the containing part, the containing part is provided with a containing cavity, and the containing cavity is used for containing refrigerating fluid; the cover body comprises a cover main body and a second convex edge part, the second convex edge part is connected with the first convex edge part, the cover main body is provided with at least one profiling bulge which is convexly arranged towards the cavity bottom of the accommodating cavity, each profiling bulge is provided with a concave cavity with one closed end, and the concave cavities are used for accommodating parts to be cooled; the sealing piece is arranged between the first protruding edge part and the second protruding edge part and surrounds the containing part. By the adoption of the structure, refrigerating fluid in the evaporator is isolated from the outside, the risk that the refrigerating fluid leaks and makes contact with ice-lolly liquid is reduced under the action of the sealing piece, safety performance is improved, and user experience is improved.

The invention discloses a liquid leakage control system and device of cooling liquid, a control method, a medium and a product, and relates to the technical field of liquid cooling equipment, the liquid leakage control system of the cooling liquid comprises at least one sensor configured in different preset areas of electronic equipment and a controller connected with the sensor, the sensor is used for detecting the conductivity and / or humidity and / or temperature of the preset area. By detecting the conductivity and / or humidity and / or temperature of the preset area, complementary verification of detection data is realized, the risk of false alarm caused by environmental factors is greatly reduced, and the reliability and accuracy of liquid leakage detection are improved. In order to solve the problems that manual maintenance is needed after liquid leakage and intelligence is low in the prior art, after the controller judges liquid leakage, the access equipment can be controlled to be powered off and can also be controlled to be ejected out of the electronic equipment to complete physical isolation, manual intervention is not needed, and the intelligent level of liquid leakage treatment is remarkably improved.

The invention provides an intelligent liquid leakage monitoring and early warning device and method for a mining heavy dump truck. The intelligent liquid leakage monitoring and early warning device comprises a multi-dimensional sensor fusion monitoring module, an intelligent data analysis and diagnosis module, a multi-element early warning and remote monitoring module, a self-calibration and fault diagnosis module and an energy collection and standby power supply module. The multi-dimensional sensor collects data such as flow, pressure and heat radiation at key parts of a liquid pipeline; the intelligent module analyzes data through a deep learning algorithm, judges the liquid leakage position and degree and predicts the risk; the early warning module is linked with sound-light alarm and wireless communication and transmits liquid leakage information to a monitoring center in real time; the self-calibration module guarantees the measurement precision, and the energy collection and standby power supply guarantees the continuous operation of the device. According to the invention, real-time accurate monitoring and efficient early warning of liquid leakage are realized, the maintenance efficiency is improved, the mine production safety is guaranteed, and the operation cost is reduced.

The application provides a photoetching machine liquid leakage alarm system, which comprises a liquid leakage controller, a liquid leakage detection line arranged around a base of the photoetching machine and a liquid leakage alarm device. The liquid leakage detection line is arranged around the base below a main body of the photoetching machine, the liquid leakage alarm device is arranged at a side of a display screen of an operation table of the photoetching machine, the liquid leakage alarm device is connected with a telephone alarm system, a liquid leakage collecting device is arranged below the liquid leakage detection line, and after liquid leakage occurs in a core moving part of the photoetching machine, timely alarm and telephone notification of the on-duty personnel can be realized, and meanwhile, the liquid leakage can flow into a drainage pipeline through the liquid leakage collecting device, so that harm is avoided.

The application discloses an atomizer and an atomizing device, comprising a housing assembly, an atomizing assembly, a gating member and a blocking member. The housing assembly comprises a first liquid tank, a second liquid tank and a liquid guide hole connecting the first liquid tank and the second liquid tank, and the first liquid tank is used for storing an atomizing substrate. The atomizing assembly is arranged in the second liquid tank and is used for atomizing the atomizing substrate into aerosol. The gating member is arranged in the housing assembly, and the blocking member abuts and seals the liquid guide hole. The gating member is configured to move the blocking member to expose the liquid guide hole and form a liquid path connecting the first liquid tank and the second liquid tank in response to an electrical signal generated by user suction. The gating member is located outside the liquid path, and the blocking member is located in the liquid path. When the atomizer is used, the blocking member can be moved by the gating member to open the liquid guide hole to supplement the second liquid tank. When the atomizer is not used, the blocking member can abut and seal the liquid guide hole to avoid liquid leakage.

The utility model discloses a crucible forming die convenient to disassemble and assemble, which belongs to the technical field of crucible processing, and comprises two clamping mechanisms, the two clamping mechanisms are arranged on two sides of an upper die, each clamping mechanism comprises two limiting grooves, two clamping grooves are arranged on two sides of the upper die, and the limiting grooves are arranged on two sides of the lower die. The two limiting grooves are formed in the lower surface of the upper mold and the upper surface of the lower mold; the number of the clamping blocks is two, and the upper surfaces of the two clamping blocks are attached to the lower surface of the lower mold; the springback assembly is arranged on the surface of the clamping block; the stroke assembly is arranged on the rear surface of the clamping block, and the clamping mechanism is arranged, so that the problems that a mold assembly mode adopts bolt installation, the installation mode needs to use external tools and is tedious, and if a bolt is lost accidentally during assembly, liquid leakage of the mold occurs are solved.

The utility model relates to tower plate technical field discloses a kind of tower plate anti-impact liquid leakage devices, including tower body and the tower plate being installed in tower body;Anti-impact head is slidably arranged in the tower body, the top of the anti-impact head is provided with liquid collection cavity, the bottom of anti-impact head is provided with multiple interval distribution and the curved liquid discharge channel being communicated with liquid collection cavity;The utility model is collected by the anti-impact head setting to the liquid falling in tower body, and withstands the impact force of falling liquid, and impact force of liquid falling to anti-impact head can be slowed down with buffer component cooperation, and the liquid collected by anti-impact head will gather in liquid collection cavity, and is discharged to tower plate by curved liquid discharge channel, since the setting of curved liquid discharge channel can greatly slow down the speed of liquid falling, so as to avoid liquid impacting tower plate, i.

The utility model discloses an aluminum profile alloy drilling device which comprises a drilling machine and a linear sliding table module for driving the drilling machine to move up and down, and further comprises a bedplate, a left lateral limiting device and a right lateral limiting device are arranged at the top of the bedplate, a through groove is drilled in the middle of the top of the bedplate, the drilling machine corresponds to the through groove, and the linear sliding table module is used for driving the drilling machine to move up and down. A lower support is welded to the bottom of the table plate, vertically-penetrating liquid leakage grooves are formed in the positions, close to the two ends, of the top of the table plate, an upper support is welded to the top of the table plate, and the linear sliding table module and the lateral limiting device are installed through the upper support. The device can guide the position of the aluminum profile, so that drilling is more stable.

The utility model discloses a self-adaptive structure of a valve sealing surface, which comprises a motor output shaft, a plane thrust ball bearing, a spring, a rotating shaft, a base plate, a valve moving plate, a valve fixed plate and a valve fixing seat, and an arc-shaped structure is arranged at the center of the rotating shaft; an output shaft of the motor is matched and connected with the rotating shaft; a plane thrust ball bearing, a spring and a rotating shaft are sequentially mounted on the motor output shaft from bottom to top; the rotating shaft is connected with the base plate and the valve moving plate in a matched mode. And the valve fixed plate is attached and fixed to the valve moving plate attaching surface through the valve fixing seat. The utility model discloses can carry out the self-adaptation to the two fitting plane of valve stator plate and valve rotor plate, guarantee two fitting plane complete fit, prevent liquid leakage, also have pressure resistance simultaneously, the pressure can reach 0.8 Mpa.

The utility model discloses a sterilization device for beverage processing, which relates to the technical field of beverage production and comprises a tank body (1), a support frame (2) is arranged at the bottom end of the tank body (1), a sterilization mechanism (4) is arranged at the top end of the tank body (1), a feeding pipe (6) is arranged on the tank body (1), one end of the feeding pipe (6) is communicated with the inside of the tank body (1), a liquid leakage layer (10) is arranged inside the tank body (1), and a liquid outlet (7) is arranged on the liquid leakage layer (10). The liquid leakage layer (10) is arranged below the feeding pipe (6), a slope (5) inclining from outside to inside is arranged in the tank body (1), a discharging pipe (8) is arranged in the center of the slope (5), and a water valve (9) is arranged on the discharging pipe (8). The problems that in the using process of existing ultraviolet sterilization, an ultraviolet lamp tube is arranged in a sterilization container and is not easy to detach and replace, long-time shutdown maintenance is needed, and the production efficiency is affected are solved.

This application discloses a redundancy anti-overflow device for a stirred tank, relating to the field of stirred tank technology. The application includes a discharge pipe with a valve installed on it. A fixing seat is bolted to the discharge pipe, and a connecting rod is fixed to the fixing seat. A mounting seat is fixed to the end of the connecting rod. A stainless steel corrugated pipe is inserted into the end of the discharge pipe, and a support rod is fixed to the stainless steel corrugated pipe. The support rod is fixedly connected to the connecting rod. An external pipe is inserted into the end of the stainless steel corrugated pipe away from the discharge pipe. Both ends of the stainless steel corrugated pipe are equipped with sealing structures, and a locking structure is provided between the stainless steel corrugated pipe and the mounting seat. This application improves the sealing effect between pipes through the sealing structure, reducing the risk of leakage. During the replacement of the external pipe, the retractable stainless steel corrugated pipe combined with the sealing structure reduces leakage and also reduces the need for replacing the sealing ring.

The utility model relates to the technical field of tree whitewashing equipment, in particular to a whitewashing device for garden tree maintenance. The structure is more scientific and reasonable, the whitewashing mechanism can be conveniently connected with the tree, a closed pipeline is adopted for supplying a whitewashing agent, the liquid leakage risk is effectively reduced, the whitewashing area is further increased, and the tree whitewashing efficiency is improved; comprising an opening ring frame, a plurality of limiting wheels rotationally installed on the opening ring frame, an opening ring body and a whitewashing mechanism installed on the opening ring body, and a driving assembly used for driving the opening ring body to rotate is installed on the opening ring frame; the driving assembly comprises two first driving wheels, a transmission belt arranged on the two first driving wheels in a sleeving mode and a driving motor providing power for rotation of the first driving wheels. The whitewashing mechanism comprises a frame body fixedly connected with the opening ring body, a U-shaped frame installed on the frame body, a hollow vertical roller rotationally installed on the U-shaped frame, a second driving wheel fixedly installed on the hollow vertical roller, a material barrel installed on the top of the frame body and a communicating pipe.

The invention relates to the technical field of liquid cooling equipment, and discloses a server negative pressure liquid cooling system and a control method thereof, and the system comprises a waterway circulation assembly which forms a closed circulation cavity and carries out heat exchange on a server; the negative pressure maintaining assembly is used for establishing and maintaining a negative pressure environment in the closed circulating cavity; the system control assembly controls the operation modes of the negative pressure maintaining assembly and the water path circulating assembly based on the detection signals so as to maintain pressure balance in the closed circulating cavity and achieve heat dissipation. Wherein the negative pressure maintaining assembly enables gas at a leakage point to flow inwards through a negative pressure environment under the condition that the leakage point appears in the closed circulating cavity, so that liquid leakage is avoided. According to the server liquid cooling system, the negative pressure environment is established and maintained in the closed circulation cavity through the negative pressure maintaining assembly, so that gas flows inwards at the leakage point instead of liquid leakage, the problem of liquid leakage of the server liquid cooling system in the related technology is solved, and server short circuit, corrosion and equipment damage caused by liquid leakage are avoided.

The application discloses a kind of semiconductor equipment liquid leakage diagnostic system and method, it belongs to semiconductor equipment technical field, the semiconductor equipment liquid leakage diagnostic system includes cooling machine, equipment to be cooled and controller, cooling machine with the equipment to be cooled between being equipped with liquid supply pipeline and back liquid pipeline, both ends in the liquid supply pipeline and the back liquid pipeline are equipped with liquid leakage detection device, the liquid leakage detection device with the controller electric connection, the controller with the cooling machine electric connection, the application is by adopting the combination architecture of cooling machine, equipment to be cooled and controller, both ends of liquid supply pipeline and back liquid pipeline are provided with liquid leakage detection device, and make liquid leakage detection device and controller electric connection, controller and cooling machine electric connection, realized to cooling liquid circulation loop Full-coverage liquid leakage monitoring, completely eliminates the monitoring blind area existing in single detection point, substantially improves the safety and reliability of semiconductor equipment cooling system operation.

The invention discloses a wafer surface low-damage efficient repair method based on grinding wheel optimization, and relates to the technical field of wafer regeneration processing, and the method comprises the following steps: S1, wafer placement; s2, multi-stage grinding is conducted; and S3, stability verification. The multi-mesh grinding wheels are arranged in series, the design of coarse-to-fine gradient grinding is adopted, the tedious processes of single-grinding-wheel reciprocating grinding and frequent mesh number switching in the prior art are omitted, seamless connection of procedures is achieved, and the machining efficiency is greatly improved. And meanwhile, real-time water injection cooling of the grinding wheel in the polishing process is achieved through cooperation of the liquid storage cavity and the liquid leakage opening, the machining temperature is effectively controlled, and wafer thermal deformation and subsurface damage caused by local overheating in the prior art are avoided.