858results about How to "Stable flow" patented technology

The invention discloses a road traffic signal control system and method, and the method comprises the steps: collecting real-time data through a sensor, a camera and a geomagnetic device, combining historical data with emergency analysis, and predicting a flow mode and a change trend; green light time distribution is dynamically optimized, a fixed timing, inductive and adaptive control strategy is adopted, and traffic light duration and priority adjustment is achieved; through regional cooperation and linkage control, green wave bands and branch intersection red light optimization are set, and peak period traffic signals are intelligently dispatched. A machine learning model is used to predict a flow peak value, environment and accident detection data are combined, a signal lamp period is dynamically adjusted, vehicle waiting time, traffic efficiency, carbon emission and traffic satisfaction are evaluated, and a traffic control strategy is comprehensively optimized. According to the road traffic signal control system and method, the traffic flow in different time periods is predicted by adopting the flow prediction model based on big data analysis and machine learning, and the signal period is adjusted in advance.

The invention relates to a pavement structure damage detection method and device, a storage medium and electronic equipment. The method comprises the following steps: acquiring image detection data, radar detection data and sound wave detection data of a to-be-detected road surface; performing structural damage dual-channel identification on the image detection data, the radar detection data and the sound wave detection data to obtain initial structural damage detection data of the to-be-detected road surface; according to the preliminary structural damage detection data, determining physical model use guide information and physical model setting parameters corresponding to the to-be-detected road surface; and according to the physical model use guide information and the physical model setting parameters, performing mechanical analysis and fluctuation propagation analysis on the to-be-detected pavement by using each physical analysis model to obtain pavement structure damage detection data of the to-be-detected pavement. By adopting the method, the accuracy and reliability in pavement structure damage detection can be effectively improved.

The invention discloses a high-precision industrial quality control system based on an AI large model and an application method, which are characterized by being applied to detection and measurement of industrial products. Comprising a product data acquisition module in an industrial production process, a data preprocessing module, an AI large model suitable for industrial quality control, a quality detection module, a result feedback and decision support module, a control module and a system management module, the application of the AI large model suitable for industrial quality control comprises the steps of constructing the AI large model suitable for industrial quality control, calling the AI large model suitable for industrial quality control, executing the control system, carrying out multi-modal data fusion, and carrying out multi-modal data fusion. The product data acquisition module in the industrial production process acquires data of multiple modes for quality detection and measurement, the AI large model suitable for industrial quality control adopts a data fusion algorithm, and the feedback module provides a visual detection result. And visually displaying the detected quality problem to a user in the form of an image and a chart.

The invention discloses a roughness optimization method and system for ultrasonic vibration assisted magneto-rheological deterministic polishing, and the method comprises the steps: placing an ultrasonic vibration table on a workpiece rotating shaft of a magneto-rheological machine tool, and connecting and fixing a workpiece to be machined with a clamp of the ultrasonic vibration table; the position posture of the workpiece to be machined is adjusted through a leveling mechanism and a center adjusting mechanism of the magneto-rheological machine tool, and it is ensured that the press-in position and the press-in depth of a magneto-rheological polishing ribbon formed on a polishing wheel in the magneto-rheological machining process are consistent; the viscosity and the flow of the magnetorheological polishing liquid are kept stable; detecting surface shape error data of the workpiece to be processed by the wave surface interferometer and generating a processing code; and the obtained machining code is input into a magneto-rheological machine tool, so that the magneto-rheological polishing ribbon conducts deterministic polishing on the detected workpiece to be machined based on the fixed press-in position and the press-in depth. The ultrasonic vibration assisted magneto-rheological deterministic polishing roughness optimization method aims at achieving ultrasonic vibration assisted magneto-rheological deterministic polishing roughness optimization, material removal uniformity is promoted, and the roughness of a workpiece is effectively reduced.

The invention discloses a communication method for an enterprise network and remote router equipment of a DCS (Distributed Control System). A communication adaptation module is arranged at an enterprise network end and comprises a protocol conversion unit, a data encryption unit, a flow regulation and control unit and a timestamp embedding unit; the far-end router equipment end is provided with a corresponding reverse communication adaptation module. Two-way interaction of data and control instructions is realized through a two-way communication link, and a dynamic link detection and repair sub-module is configured to guarantee stability of the link. According to the method, the problems of protocol compatibility, data security, flow regulation and control, time management, link maintenance and the like are solved, the communication efficiency and quality are improved, efficient, safe and stable operation of remote communication and control functions of the DCS in industrial production is ensured, and the method has a good application prospect.

The invention provides a welding device for ship repair, and belongs to the technical field of welding. Comprising a base, a supporting plate is fixedly arranged on the surface of the base, a sliding plate is arranged on the inner wall of the supporting plate in a sliding mode, a welding gun for welding the ship welding position is installed on the surface of the sliding plate, and a cleaning part for cleaning welding slag generated during welding of the welding gun is installed on the surface of the sliding plate; by arranging the cleaning part, welding can be carried out while the whole equipment is moved, welding slag generated by welding at the welding position can be adsorbed during welding, splashing of the welding slag is prevented, a pipeline can be knocked through cooperative work of a motor, a rotating rod, a round wheel, a connecting rod, a sliding block, a downward pressing rod, a torsion spring, a rotating strip, a spring hammer and other components, and therefore the pipeline can be conveniently welded. Welding slag in the pipeline is knocked off due to vibration and sucked away by the fan, cleaning of the welding slag adsorbed to the inner wall of the pipeline is achieved, smoothness of the pipeline is guaranteed, and attachment of the welding slag to the inner wall of the pipeline is effectively reduced.

The invention provides an elastic traffic control method considering road accumulated water distribution. The method comprises the steps of collecting road surface point cloud data and obtaining a road three-dimensional model; utilizing computational fluid mechanics simulation software to construct a road ponding simulation model under the rainfall condition; according to the simulation result, calculating the critical water skiing speed corresponding to the accumulated water depth, and comparing the critical water skiing speed with the lane speed limit to judge the water skiing risk; the sections with the water skiing risk are divided into risk sections; reducing the maximum limit driving speed of the risk section; dividing a high-risk section by comparing the maximum speed limit with a preset threshold value, and performing bypassing adjustment; by comparing the proportion of the risk section with a preset safety threshold value, a channel sealing measure is taken; and real-time weather and road conditions are continuously monitored and timely adjusted. By means of the method, the lane speed limit and the traffic flow direction are dynamically adjusted, tackle and traffic accidents caused by accumulated water on the road surface are effectively prevented, the water skiing risk of vehicles under the rainfall condition is reduced, and the road traffic safety is ensured.

The invention provides swimming pool cleaning equipment, and relates to the technical field of swimming pool cleaning. The swimming pool cleaning equipment comprises a base body which comprises a bottom face and a containing cavity, and a liquid inlet communicated with the containing cavity is formed in the bottom face. And the rolling brush is rotationally connected with the base body, and the rolling brush and the liquid inlet are arranged in a spaced mode in the advancing direction of the swimming pool cleaning equipment. And the turbidity detection device is arranged on the bottom surface of the base body, is positioned between the liquid inlet and the rolling brush, and is used for detecting the turbidity of the liquid. In the advancing direction of the swimming pool cleaning equipment, the distance between the turbidity detection device and the central axis of the liquid inlet is a first distance, the minimum distance between the turbidity detection device and the rotating central axis of the rolling brush is a second distance, and the first distance is larger than the second distance. According to the swimming pool cleaning equipment provided by the embodiment of the invention, the turbidity of the liquid can be accurately measured, so that the swimming pool cleaning equipment can more intelligently plan a cleaning path, key areas are ensured to be fully cleaned, unnecessary repeated cleaning is reduced, and then the cleaning efficiency is improved.

The invention discloses a flue gas emission continuous monitoring device and a monitoring method, and relates to the technical field of flue gas emission, the device realizes gas inlet detection and multidirectional gas inlet and gas exhaust of cleaning pipelines and parts through a U-shaped gas inlet pipe, a preheating pipe, a first gas return pipe, a first gas inlet pipe, a gas collection chamber, a condensation pipe, a liquid collection chamber and a second gas return pipe; preheating and heat preservation are achieved through air inlet and air outlet, heat preservation measurement is achieved in the heat preservation shell, pipelines and parts, interference of temperature, oil and particulate matter is effectively reduced, and the monitoring precision is improved; the laser scattering sensor is used for measuring the concentration and the particle size of particulate matters, the optical fiber measuring unit is used for monitoring other components in flue gas, and real-time monitoring and emission component analysis of the flue gas are realized by collecting released liquid and measuring substances dissolved in the liquid; the problems that smoke monitoring is easy to interfere, detection data are easy to fluctuate, and a multi-operation-mode switching technology of a detection device is lacked, so that the smoke monitoring precision is low are solved.

The utility model belongs to the technical field of coating testing, and discloses a super-hydrophobic coating water impact resistance testing device which comprises a sample table, a water storage pond, a peristaltic pump, a buffer cup and a support, a sample is placed on a supporting seat of the sample table, the supporting seat is obliquely arranged and adjustable in angle, the sample table is placed in the water storage pond, the sample is located above the water storage pond, and the peristaltic pump is arranged on the supporting seat. The peristaltic pump is respectively connected with a water inlet pipe and a water outlet pipe, the peristaltic pump can pump water in the water storage tank into the water outlet pipe through the water inlet pipe, the buffer cup is arranged perpendicular to the sample table, the water outlet pipe is connected to the top of the buffer cup, the buffer cup can flow water to the top of a sample, and the buffer cup is arranged on the support in a position adjustable mode. The angle between the sample and the test water flow can be changed through the supporting seat, the water is recycled through the water storage tank, and the problem of water flow pulse generated by directly using the peristaltic pump is solved through the buffer cup.

The invention provides a water rotation flow adjusting valve element with a pressing switch. A pressing operation piece is used for driving a center rod and a first sealing part to move between a first position and a second position. When the center rod and the first sealing part are located at the first position, the first sealing part seals the communication position of the first flow channel and the water inlet, and the center rod is matched with the second sealing part to close the second flow channel; when the center rod and the first sealing part are located at the second position, the first sealing part opens the communication position of the first flow channel and the water inlet, and the center rod and the second sealing part are disengaged to open the second flow channel; the rotary adjusting piece is used for controlling the first sealing part to move between the second position and the third position through the linkage control mechanism to adjust the flow of the first flow channel when the center rod is located at the second position. The invention further provides a shower, a shower controller and a faucet which are provided with the pressing switch water rotation flow adjusting valve element.

The utility model discloses a squat silo multipoint discharging device, which relates to the technical field of bin discharging and comprises a distributing bin arranged at a feeding port above a squat silo, a central blanking pipe is arranged at the bottom of the distributing bin and communicated with a cavity of the distributing bin, and the distributing bin is provided with a discharging port. A discharging port of the center discharging pipe right faces the middle position in the squat silo, the center discharging pipe is used for laying the bottom of the squat silo, a plurality of side elephants are further arranged on the side wall of the material distribution bin in a downward inclined mode around a shaft and communicated with a cavity of the material distribution bin, the free ends of the side elephants extend towards the side wall of the squat silo, and the center discharging pipe is arranged on the side wall of the material distribution bin. A plurality of blanking openings are formed in the side articulated chutes in the length direction, a first pneumatic valve and a second pneumatic valve are arranged at the positions where the center blanking pipe and the side articulated chutes communicate with the distributing bins correspondingly, and the center blanking pipe and the side articulated chutes are used for blanking in a matched mode, so that materials are evenly stacked; and the problems of serious material grading and unbalance loading of the silo wall existing in the original single blanking point are reduced.

The invention discloses a natural gas supply device for an industrial furnace, which relates to the technical field of gas supply systems for industrial furnaces, and comprises an annular guide rail which is arranged at the side end of a gas inlet flow regulation and control valve pipe in a sleeving manner and is used for driving an adjusting shaft and an ultrasonic generator to be positioned at the side end of a gas inlet pipeline to carry out ultrasonic frequency emission regulation and control, under the cooperation of the oxygen-containing regulation and control assembly, the oxygen content proportion in the natural gas in the oxygen-containing conveying pipe is rapidly corrected, the precise oxygen content needed by combustion of the industrial furnace is guaranteed, super-uniform mixing of natural gas and oxygen is integrally achieved, the incomplete combustion phenomenon caused by fluctuation of the oxygen content is reduced, and the heating effect and the product quality are improved; and under the cooperation of the ultrasonic adjusting assembly, more complex pipeline impurity conditions can be treated, so that emission parameters and reflection angles of self-adaptive automatic adjustment ultrasonic waves are formed, natural gas conveying is smoother, and therefore the combustion stability and heat efficiency of the industrial furnace are improved.

The invention relates to the field of valve control, in particular to a valve control method insensitive to temperature fluctuation, a controller and a vaporization device. The valve is arranged on a liquid inlet flow path of the vaporization part. The method comprises the steps that a current flow signal fed back by a flow sensor of the liquid inlet flow path is received; deriving the current flow signal, and gaining to obtain a current derivative compensation signal; pID control is carried out based on the flow set value and the flow measurement value corresponding to the current flow signal, and a current valve control basic signal is obtained; estimating a current temperature control disturbance signal caused by temperature fluctuation of the heating vaporization cavity based on the current flow signal and the valve control signal at the previous moment; and superposing the current valve control basic signal, the current derivative compensation signal and the current temperature control disturbance signal to obtain a current valve control signal. The multi-level control strategy combining PID control, derivative compensation and disturbance compensation is adopted to control the valve so as to cope with periodic disturbance of a heating system, and stability and control precision of liquid flow can be ensured.

The invention relates to the technical field of heat exchangers, in particular to a plate heat exchanger cleaning system, a plate heat exchanger and a cleaning method. The fluid monitoring devices are installed at an inlet and an outlet of the plate heat exchanger respectively, connected with the control device and used for monitoring fluid data of the inlet and the outlet of the plate heat exchanger and transmitting the data to the control device. The high-pressure cleaning device is arranged between plate channels of the plate heat exchanger, is connected with the control device and is used for acquiring an instruction of the control device and cleaning the plate channels of the plate heat exchanger; the control device is used for receiving the fluid data of the fluid monitoring device and generating a cleaning instruction to the high-pressure cleaning device. Real-time monitoring and a response mechanism are combined, the fluid monitoring device, the high-pressure cleaning device and the control device are combined for control, the self-cleaning function of the plate heat exchanger is achieved, and the problems that an existing plate heat exchanger is difficult to clean and low in efficiency are solved.

The utility model relates to the technical field of semiconductor production, in particular to a pre-passing device and a vapor deposition system.The pre-passing device comprises a packaging container, a carrier gas inlet pipe, a mixed flow pipe, a buffer assembly and a tail gas treatment system, and the packaging container is provided with a packaging inlet and a packaging outlet which are communicated with an inner containing cavity; the gas outlet end of the carrier gas inlet pipe is communicated with the packaging inlet; the gas inlet end of the mixed flow pipe is communicated with the packaging outlet, and carrier gas carrying a precursor flows in the mixed flow pipe; the buffer assembly is used for collecting the precursor carried in the carrier gas, the gas inlet end of the buffer assembly is communicated with the gas outlet end of the mixed flow pipe, and the gas outlet end of the buffer assembly is communicated with the tail gas treatment system. On the premise that the flow of the precursor is stable, waste of the precursor in the pre-passing process is reduced, the utilization rate of the precursor is increased, and the production cost is reduced.

The invention relates to the technical field of electrified railway contact networks, and particularly discloses an anti-icing and ice-melting control method and device for an alternating-current electrified railway contact network. According to the method, various targeted anti-icing or ice-melting current schemes are determined according to the specific icing conditions of the contact net and the steel rails and the locomotive running state in the power supply arm section, so that different anti-icing and ice-melting requirements are met, and the safety and smoothness of railway transportation are ensured. According to the invention, through intelligent monitoring and control means, the operation reliability and safety of the railway under severe weather conditions are improved.

The invention discloses a health quarantine space module system and a construction method. The health quarantine space module system comprises a front-end conventional inspection area and a rear-end troubleshooting disposal area, the front-end conventional inspection area comprises a health declaration verification module, a medical inspection module and a body temperature monitoring module; and the rear-end troubleshooting treatment area comprises a medical troubleshooting module and a subsequent treatment module. The health quarantine space construction method matched with the method comprises the following processes of health declaration verification, medical inspection, body temperature monitoring, medical investigation and subsequent treatment. According to the module system, efficient connection between a traditional port building and a new-period health quarantine module is established, and the inspection process of customs clearance personnel is more convenient and efficient through more scientific streamline system setting, functional structure and air pressure control; the field operation is more scientific and orderly; the risk of cross infection caused by mixed flow of personnel is avoided, and indoor space environment pollution caused by gas flow is avoided.

The utility model discloses semiconductor cleaning equipment and a liquid supplementing device thereof, and belongs to the technical field of semiconductor cleaning. The liquid supplementing device comprises a liquid storage device, a liquid supplementing pipeline, a gas supply pipeline, a control device and a pressure detection element, the liquid storage device is provided with a liquid outlet and a gas inlet, the first end of the liquid supplementing pipeline is communicated with the liquid outlet, the second end of the liquid supplementing pipeline is used for being communicated with the process tank, the gas supply pipeline is communicated with the gas inlet, and the pressure detection element is arranged on the liquid storage device. The pressure detection element is electrically connected with the control device to detect the pressure in the liquid storage device, the control device is used for controlling the flow of the gas supply pipeline, the pressure detection element is electrically connected with the control device, and the control device controls the flow of the gas supply pipeline to be reduced under the condition that the pressure detection element detects that the pressure value in the liquid storage device is larger than a first pressure value; and under the condition that the pressure detection element detects that the pressure in the liquid storage device is smaller than a first pressure value, the control device controls the flow of the gas supply pipeline to be increased. The semiconductor cleaning equipment comprises the liquid supplementing device.

The present invention belongs to the technical field of operation monitoring and control of sewage treatment coarse screen equipment, and relates to an operation monitoring and control system for sewage treatment coarse screen equipment. The present invention helps to timely discover and solve abnormal or inefficient problems in the operation of sewage treatment coarse screen equipment by analyzing the operation feedback index of sewage treatment coarse screen equipment, ensuring that the sewage treatment coarse screen equipment is always in the best working state, and helps to timely discover and remove debris on the sewage treatment coarse screen equipment by analyzing the cleaning feedback index of the sewage treatment coarse screen equipment, reducing the impact and wear of the debris on the sewage treatment coarse screen equipment, which is conducive to extending the service life of the equipment, and by analyzing the cleaning effect of the front and rear water bodies of the sewage treatment coarse screen equipment, it is conducive to targeted equipment maintenance and adjustment of equipment with unqualified cleaning effects, ensuring that the cleaning effect of the front and rear water bodies of the coarse screen equipment meets the standards, and reducing the degree of pollution to the environment.

The utility model provides a high-precision diaphragm pump flow detection device which is characterized by comprising a shell, a pneumatic electromagnetic valve, a diaphragm pump, an air cavity, a throttle valve, a flow velocity sensor, a carbon dioxide sensor module, a temperature sensor module and a humidity sensor module which are connected in sequence through hoses, after a patient blows air into an air bag, an operator starts sampling, and the air bag is filled with air. At the moment, the diaphragm pump is started, the pneumatic electromagnetic valve is opened, and air in the air bag enters the equipment host; by controlling the rotating speed of a motor of the diaphragm pump, airflow in the sampling process is kept at a stable value, and sampling is automatically stopped according to set time; the storage device is used for recording and tracking, and the flow stabilizing device and the flow sensor are arranged, so that the sampling quality is high; the air bag is externally connected for collecting air during use, so that the waiting time of a patient is short.

The present invention relates to the technical field of advertising design display, and in particular to an audio-visual combined advertising design display device, comprising: a protective device, the protective device is used to support the overall structure of the device; a curtain wall, the curtain wall is fixedly installed on the outer side of the protective device, a projector is fixedly connected to the inner side of the curtain wall, speakers are fixedly connected to the two sides of the curtain wall, and the curtain wall is used to project images displayed by the projector; a cleaning device, the cleaning device is slidably connected to the outer side of the protective device. The present invention arranges the protective device and the cleaning device to cooperate with each other. In the process of pulling the cleaning device downward, the sliding plate slides downward along the inner wall of the protective frame and forces the spiral rod to rotate. At this time, the fan blades at the bottom of the spiral rod rotate and blow the air in the base into the diversion jet pipe through the air guide pipe. Finally, the air is blown out from the diversion jet pipe to blow off the dust attached to the inner wall of the curtain wall, thereby cleaning the curtain wall while cleaning the light-transmitting plate.

The utility model relates to the technical field of balance valves, in particular to a waste gas flow adjusting balance valve which can achieve balance of a flashboard, enables flow of a waste gas conveying channel to be adjusted and kept stable, and is good in practicability. Comprising a valve body, rotating shafts and flashboards, the valve body is in a square cylinder shape, the two gate plates are rotationally installed in the valve body through two rotating shafts, the edges of the two gate plates make sliding contact with the inner wall of the valve body, the piston cylinder is installed on the outer wall of the valve body and is close to the input end of the valve body, the left end of the piston cylinder is communicated with the input end of the valve body, and the right end of the piston cylinder is communicated with the output end of the valve body. The piston plate is installed in the piston cylinder in a sliding mode, the double-face rack is installed on the outer wall of the valve body in a sliding mode and connected with the piston plate, the two gears are concentrically installed on the two rotating shafts respectively and meshed with the double-face rack of the double-face rack respectively, one end of the spring is connected with the double-face rack, and the other end of the spring is connected with the outer wall of the valve body.

The invention relates to the technical field of data centers, and discloses a secondary side circulation pipe network and a data center liquid cooling system, the secondary side circulation pipe network comprises a circulation pipeline structure, a water quality monitoring system, a water quality purification system and a control system; the circulation pipeline structure is suitable for forming a circulation loop between the cooling capacity distribution unit and the liquid cooling cabinet; the water quality monitoring system is arranged on the circulating pipeline structure; the water quality purification system is arranged in parallel with the circulating pipeline structure and is used for diluting and purifying water in the circulating pipeline structure; the control system is connected with the water quality monitoring system and the water quality purification system and used for receiving water quality data transmitted by the water quality monitoring system and controlling connection and disconnection between the water quality purification system and the circulation pipeline structure according to the water quality data. According to the invention, real-time monitoring and data feedback of the water quality of the secondary side circulating pipe network are realized, and the ability of re-purifying and utilizing the deteriorated water quality and recovering good water quality is realized under the condition of no shutdown.

The invention relates to the technical field of medicine production, discloses a blocky raw material grinding device for triacetyl ganciclovir production, and solves the problems that an existing blocky raw material grinding device for triacetyl ganciclovir production is low in efficiency and high in energy consumption. Directional feeding is achieved through a special structure of a rotating pipe, the feeding accuracy is improved, low efficiency caused by uneven feeding is reduced, the pressure intensity is increased through eccentric rotation of a coarse grinding table and a convex ring, the crushing efficiency is improved, the coarse grinding time is shortened, and the energy consumption is reduced. According to linkage driving of a servo motor, the number of power sources is reduced, the structure is simplified, cost and maintenance difficulty are reduced, powder blanking is promoted through arc-shaped design of a drum plate, smooth material circulation is guaranteed, staying and blocking are reduced, small blocky raw materials are extruded in a linkage mode through an extrusion net, the suitability of fine grinding materials is improved, and the material blocking problem is reduced. The fine grinding quality and efficiency are guaranteed, and the overall energy consumption is reduced.

The utility model discloses a high-salt high-COD (Chemical Oxygen Demand) wastewater treatment device, which belongs to the technical field of wastewater treatment and comprises a sedimentation tank, a water inlet pipe is fixedly mounted on one side of the sedimentation tank, a movable frame is connected in the sedimentation tank in a sliding manner, a plurality of groups of filter plates for filtering wastewater are fixedly mounted in the movable frame, and collecting tanks are mounted on two sides of each filter plate. A cleaning structure used for scraping impurities on the filter plate is installed at the top of the filter plate, shielding structures used for preventing sewage from infiltrating are installed on the two sides, close to the collecting tank, of the movable frame, and through rotation of a threaded rod, a movable block drives a pushing rod to rotate and pushes a scraping plate and a scraping piece to push the impurities on the filter plate into the collecting tank; impurities adhered to the filter plate are scraped, so that the filter plate is cleaned, the cleanliness and the filtering effect of the filter plate are ensured, the smoothness of the filter plate is ensured, blockage is avoided, the working efficiency of the device is improved, and normal use of the device is maintained.

The invention relates to a refrigerant circulation system and a control method and device thereof, electronic equipment and a storage medium, the system comprises a refrigerant circulation subsystem and a liquid storage module, the refrigerant circulation subsystem comprises a first pressure pipeline and a second pressure pipeline, and the pressure of the first pressure pipeline is larger than that of the second pressure pipeline; the liquid storage module is connected with the first pressure pipeline through a first pipeline, and a liquid inlet valve is mounted on the first pipeline; the liquid storage module is connected with the second pressure pipeline through a second pipeline, a gas balance valve is installed on the second pipeline, and the gas balance valve is used for adjusting the flow speed of a refrigerant in the liquid storage module; the liquid storage module is connected with the second pressure pipeline through a third pipeline, and a liquid discharge valve is installed on the third pipeline. Therefore, the refrigerant amount in the refrigerant circulation system can be adjusted more accurately, and the energy efficiency of the refrigerant circulation system is improved.

The invention provides a wafer scale packaging structure and a forming method thereof, the wafer scale packaging structure comprises a first packaging structure, a second packaging structure and a heat dissipation plate, the heat dissipation plate comprises an upper surface and a lower surface which are opposite to each other, the first packaging structure is mounted on the upper surface, and the second packaging structure is mounted on the lower surface. The first chip module in the first packaging structure and the second chip module in the second packaging structure operate independently so as to meet different packaging requirements, the first packaging structure is attached to the upper surface of the heat dissipation plate, the second packaging structure is attached to the lower surface of the heat dissipation plate, and therefore the heat dissipation efficiency is improved. Therefore, heat generated by the first chip module and the second chip module can be quickly dissipated or released, so that the heat dissipation problem of the wafer scale packaging structure is improved, the size of the wafer scale packaging structure can be reduced, and the electrical performance of the wafer scale packaging structure is further improved.

The invention discloses aluminum profile discharging equipment capable of recycling heat, and relates to the technical field of aluminum profile discharging equipment.The aluminum profile discharging equipment comprises a heat exchange pool, a partition plate is fixedly connected to the inner wall of the middle of the heat exchange pool, an extrusion die is installed on the outer surface of one side of the heat exchange pool, and a booster pump is installed on the portion, close to the lower portion of the extrusion die, of the heat exchange pool; the transmission shafts are evenly arranged on the portion, close to the upper portion of the partition plate, of the middle of the heat exchange pool, the height of the transmission shafts can be adjusted in the heat exchange pool by manually rotating the adjusting disc through an operator by adjusting the height of the transmission shafts, and adjustment can be flexibly conducted according to the height of an aluminum profile extruded by a mold or the height of the liquid level of cooling liquid; the aluminum profile conveying system has the advantages that the aluminum profile conveying system is simple in structure and convenient to use, appropriate gaps between the aluminum profile and a cooling bed or other parts in the conveying process are guaranteed, unnecessary collision and friction are avoided, the soaking depth of the aluminum profile in cooling liquid can be optimized by adjusting the height of the cooling bed conveying system, the aluminum profile can be cooled at different positions, and therefore the cooling effect is improved.

The invention discloses a rainwater collecting and recycling treatment device, and relates to the technical field of rainwater treatment.The rainwater collecting and recycling treatment device comprises a plurality of splicing mechanisms used for building a rainwater collecting pool, the splicing mechanisms are internally provided with joining mechanisms for improving the supporting strength of the splicing mechanisms, and the splicing mechanisms are internally provided with joining openings. The first mounting pipe and the first taper pipe are connected in an inserted mode, tight butt joint between two parts is ensured, the first mounting pipe is inserted into the first taper pipe, the contact area is increased, the stability of the joint is improved, and the connecting block is clamped with the clamping pipe and the second clamping groove, so that the clamping effect is improved through the clamping mechanism. According to the connecting structure, the connecting blocks can be firmly spliced together to form a supporting net rack with high integrity, and when a plurality of cross-shaped connecting blocks are spliced together, the supporting capacity of the butt joint position of the first taper pipe is greatly enhanced, and deformation or breakage caused by water pressure or external loads is prevented.