27results about How to "Switch in time" patented technology

The invention relates to the technical field of sewage treatment, and provides a black and odorous water body combined treatment device which comprises a filtering kettle, a regulating tank, an anaerobic tank, an aerobic tank, a sedimentation tank and a disinfection tank which are sequentially arranged, a first partition plate is arranged in the filtering kettle, and the interior of the filtering kettle is divided into a first chamber and a second chamber by the first partition plate; the filtering kettle is connected with a water inlet pipe and a drain pipe; a second partition plate is arranged in the second cavity, the second partition plate divides the second cavity into two filtering areas, a filtering plate is arranged in each filtering area, and a communicating opening communicating with the first cavity is formed in the top wall of each filtering area; the first chamber is provided with a switching assembly, and the switching assembly is used for switching the flow direction of the sewage, so that the sewage flows into the corresponding filtering areas through different communication ports. According to the combined treatment device for the black and odorous water body, the possibility of blockage of pipelines and equipment can be reduced. The invention further relates to a combined treatment process for the black and odorous water body.

The invention provides an operation control system and method for an urban rail train. The operation control system comprises a main operation control system and a standby operation control system. The standby operation control system comprises a central train management server, a vehicle-mounted integrated control unit, a vehicle-mounted integrated BTM, a vehicle-mounted secondary radar antenna and a trackside secondary radar base station. The central train management server is in communication connection with the vehicle-mounted integrated control unit; the vehicle-mounted integrated control unit is in communication connection with a CI in the main operation control system, a vehicle-mounted integrated BTM and a vehicle-mounted secondary radar antenna; and the vehicle-mounted integrated control unit is used for performing authorization calculation according to the position information of the front train and the rear train sent by the central train management server and the state information of the front signal machine obtained from the CI so as to realize speed protection. The problems that in the prior art, after a CBTC system breaks down, a standby train operation control system is lacked, and speed protection cannot continue to be carried out are solved.

The invention provides a path determination method and device and a storage medium, and relates to the field of network management. First traffic of a main path and first traffic of each backup path in the future time are predicted, then the first traffic of the main path in the future time is superposed on the basis of second traffic of each backup path in the future time, and third traffic of each backup path in the future time is obtained. And determining a target backup path according to the congestion condition of the third flow of each backup path in the future time. Therefore, the congestion problem caused by the backup path is avoided. Not only can the traffic of the main path be timely switched, but also the performance of the backup path after the traffic is switched can be effectively guaranteed.

The utility model provides a cooling device and a glass preparation system. The cooling device comprises a controller, a frequency converter and a change-over switch, the frequency converter comprises a first starting port, a second starting port and a first receiving port; the controller comprises a first sending port, a second sending port and a third sending port; a first starting port of the frequency converter is respectively connected with a first sending port of the controller and a first port of the change-over switch, and a second starting port of the frequency converter is respectively connected with a second sending port of the controller and a second port of the change-over switch; a third port of the change-over switch is connected with a third sending port of the controller; a fourth port of the change-over switch is connected with a first receiving port of the frequency converter; when the controller does not work, the third port and the fourth port of the change-over switch are connected, the first port and the second port are disconnected, and the frequency converter operates at a preset frequency. Therefore, normal operation of the frequency converter can be ensured when the controller cannot be used.

The utility model discloses a simple three-phase dual power supply switching device for different-phase monitoring, which comprises a three-phase main power supply and a three-phase standby power supply, the three-phase main power supply is sequentially connected with normally closed contacts of a circuit breaker K1 and a contactor J1, the three-phase standby power supply is sequentially connected with normally closed contacts of a circuit breaker K2 and a contactor J2, and the three-phase main power supply and the three-phase standby power supply are both connected with a machine room power supply. A coil of a contactor J1 and a normally open contact of a contactor J2, and a coil of the contactor J2 and a normally open contact of the contactor J1 are respectively connected between the B phase and the C phase of the three-phase main power supply and the standby power supply. A resistor RA1, an indicating lamp LA and a resistor RA2 are sequentially connected between the A phases of the main power supply and the standby power supply at the upstream of the circuit breakers K1 and K2, a resistor RB1, an indicating lamp LB and a resistor RB2 are sequentially connected between the B phases, and a resistor RC1, an indicating lamp LC and a resistor RC2 are sequentially connected between the C phases.

The invention relates to the technical field of pipe gallery safety monitoring, and provides a pipe gallery safety inspection method, a pipe gallery safety monitoring system, an inspection robot and electronic equipment. The method comprises the following steps: when an edge service module receives inspection data, sending a first detection instruction to each data acquisition terminal so as to determine a first transmission delay corresponding to each data acquisition terminal; acquiring a moving direction of the inspection robot, determining a first target data acquisition terminal from the data acquisition terminals according to the first transmission time delay and the moving direction, and sending a transmission control instruction to the first target data acquisition terminals to instruct the first target data acquisition terminals to select a target line from respective alternative lines, and the real-time collected data is reported to the edge service module through the target line, and the edge service module analyzes the safety condition in the pipe gallery based on the inspection data and the collected data, so that stable uploading of the collected data is ensured, and the abnormal condition in the pipe gallery can be known in time.

The present invention provides a fully self-service fundus camera and a method for setting a photographing mode, belonging to the technical field of medical equipment, and specifically comprising: obtaining abnormal movement images of a user during a use period of the fundus camera, and determining, in combination with user change types corresponding to different abnormal movement images, whether the user's position change can meet the requirements, obtaining historical fundus images of the user using different photographing modes, determining the image qualification rate of the historical fundus images, and determining a recommended photographing mode for the user in combination with historical shooting times of different photographing modes, obtaining the user's fundus image using the recommended photographing mode, and determining whether the photographing mode needs to be switched based on the analysis results of the fundus image and the user's position change, thereby ensuring the acquisition and processing efficiency and clarity of the fundus image.

This invention relates to the field of smart gateway technology, specifically disclosing an artificial intelligence-based smart gateway optimization method. The method involves initializing channel quality estimation parameters and setting an uncertainty threshold; sending probe frames to candidate channels during idle periods of service data, and receiving response results as quality samples; extracting received signal strength indication values ​​from the samples and assigning a probe confidence coefficient; updating the quality estimation parameters with weighted probe results using Bayesian inference; calculating the expected performance value of each channel based on the updated parameters; generating a switching command when the cumulative number of times the current channel is continuously inferior to the best candidate channel reaches a threshold and the performance difference exceeds an uncertainty threshold; executing channel switching and resetting the cumulative count; and dynamically adjusting the subsequent probe frequency according to the service load. This invention enables adaptive channel optimization while ensuring service continuity, improving the communication reliability of smart gateways in complex environments.

The utility model discloses a mica powder discharging hopper structure, and relates to the technical field of mica powder production, in particular to the mica powder discharging hopper structure which comprises a discharging hopper, a feeding port is formed in the top of the discharging hopper, and conveying rollers for discharging are assembled in the discharging hopper. A vibrating eccentric ring is assembled on the outer side of the top end of the discharging hopper, a first motor is fixedly connected to the interior of the discharging hopper, the eccentric ring and the conveying rollers are driven by the first motor, a discharging base is fixed to the bottom of the discharging hopper, and a discharging channel is formed in the discharging base. According to the mica powder discharging hopper structure, under driving of an output shaft of a first motor, a second gear can rotate, then an inner gear ring can drive an eccentric ring to rotate, and then under the rotation effect of the eccentric ring, a discharging hopper can generate vibration; and mica powder in the discharging hopper can timely fall to the bottom of the interior of the discharging hopper.

The utility model discloses a 3D printer head convenient to replace, which comprises a switching mechanism and a switching motor mounted on one side of the top of the switching mechanism, a plurality of quick mounting mechanisms are arranged on one side of the bottom of the switching mechanism, a printer head body is arranged at the bottom of each quick mounting mechanism, and the switching mechanism comprises a switching rotating shaft. The bottom of the switching rotating shaft is rotationally connected with a switching rotating disc, first connecting holes are formed in the periphery of the interior of the switching rotating disc, a lifting material injection rod is arranged at the top of the first connecting hole in the left side, arc-shaped grooves are formed in the periphery of the outer side of the switching rotating disc, and a limiting sliding groove is formed in the position, close to the position between the two arc-shaped grooves, of the switching rotating disc. By arranging the switching mechanism, the switching motor can be used for achieving rotation of the switching rotary disc so as to switch the printer head body at the bottom of the switching rotary disc, and by arranging the rapid installation mechanism, rapid installation and replacement of the printer head body can be achieved by means of the characteristic that an installation clamping block is connected with an installation groove in a clamped mode.

The present invention relates to the field of data management technology, and in particular to an intelligent diagnosis and treatment data management system, including a data acquisition module, a data processing module, a path selection module, and a feedback adjustment module. The present invention ensures the accuracy and timeliness of data transmission by real-time monitoring of the priority, delay duration, packet loss rate, and network bandwidth utilization of diagnosis and treatment data. The system intelligently adjusts the transmission path according to dynamic feedback, reducing the risk of transmission delay and data loss caused by network fluctuations. The system selects the path in combination with the comprehensive transmission score to ensure that the data is transmitted through the optimal path, thereby improving the efficiency of diagnosis and treatment data transmission. In addition, the automatic early warning mechanism can detect packet loss anomalies in a timely manner, ensure the integrity of data in the diagnosis and treatment process, optimize the diagnosis and treatment process and the patient's medical experience, and effectively solve the problems of low early warning accuracy and decision delay caused by insufficient comprehensive analysis of data processing.

The invention relates to the technical field of communication, and particularly provides a data transmission method and device, electronic equipment and an FTTR network system. The method is applied to an FTTR network system comprising a master device and a slave device, the master device is used for being connected with an uplink network based on an optical fiber, the slave device is used for providing access service for a terminal device, and a master link and a standby link which are used for optical fiber communication exist between the master device and the slave device. When the master link is normal, the master device communicates with the slave device through the master link; and when the master link is abnormal, the master device communicates with the slave device through the standby link. Therefore, when the main link is abnormal, the main link can be switched to the standby link in time, the time delay of link switching is reduced, and the problem of service interruption is further reduced.

The invention belongs to the technical field of Internet of Things, and provides an Internet of Things repeater backup method and system, and the method comprises the steps: setting a plurality of operation backup repeaters for a main repeater; the method comprises the following steps: monitoring and analyzing a signal intensity value of a signal sent by a main repeater in a working period in real time, judging whether data backup needs to be started or not, if so, generating a backup starting signal, marking data received by the main repeater as a plurality of time sequence backup blocks according to a time sequence, and distributing the time sequence backup blocks to different running backup repeaters for backup storage, acquiring fault monitoring data of the main repeater, analyzing the fault monitoring data to obtain an equipment fault value of the main repeater, judging whether the main repeater has a fault or not based on the equipment fault value, and if the main repeater has the fault, generating a fault switching signal and triggering a switching mechanism of the backup repeater; and the backup repeater can be switched to run in time when a fault occurs, so that the continuity and stability of data transmission are ensured.

The invention provides a special service protection method and device for an SPTN network. The method comprises the following steps: setting and / or converting a path protection working mode of a target service; the working modes comprise a static mode, a preset path mode and a dynamic path mode; the static mode is configured to directly switch to a preset protection path without performing calculation processing again after determining that the current working path has a fault; the preset path mode is configured to switch the path to a shortest and effective preset path under the condition that the current working path or the preset protection path is determined to have a fault; and the dynamic path mode is configured to recalculate the service path under the condition that the preset paths in the preset path set are determined to be invalid until an effective service path is calculated to serve as a final dynamic path. According to the invention, the reliability and recovery speed of the service are improved, the loss of the service flow is reduced, and the user experience is improved.

This invention provides an ultrasonic therapy device and its handle extraction sensing device. The handle extraction sensing device includes a storage bracket and a handle. The storage bracket has a storage limiting cavity extending through the height of the storage bracket. The handle is detachably inserted into the storage limiting cavity. A magnet assembly is mounted on the storage bracket, arranged circumferentially around the storage limiting cavity. The central angle of the magnet assembly around the storage limiting cavity is between 170° and 360°. The handle contains a control module and two magnetic sensing elements, located on opposite sides of the handle. The magnetic sensing elements are electrically connected to the control module. When the handle is placed in the storage limiting cavity, the magnet assembly surrounds at least one magnetic sensing element. The ultrasonic therapy device equipped with this handle extraction sensing device eliminates the need for user adjustment of the handle's position and offers high detection accuracy.

The utility model discloses an ecological energy-saving and environment-friendly device for adjusting indoor and outdoor environments, and relates to the technical field of air conditioning. The device comprises a bottom plate, the top surface of the bottom plate is fixedly connected with a treatment box, an air inlet pipe is fixedly inserted into the front surface of the treatment box, the inner wall of the treatment box is slidably connected with a filter assembly, and the surface of the treatment box is provided with a switching assembly used for controlling the filter assembly to move transversely. A connecting pipe is fixedly connected to the back face of the treatment box in an inserted mode, an air suction pump is fixedly installed on the rear side of the top face of the bottom plate, the air inlet end of the air suction pump is fixedly connected with the connecting pipe, and the air outlet end of the air suction pump is fixedly connected with an air conveying pipe. According to the device, whether the filtering structure is blocked or not can be automatically monitored, the filtering structure can be switched, it is guaranteed that the device can conduct continuous filtering, a user can be prompted to conduct replacement in time, and manual inspection on the filtering structure is not needed.

The application discloses an adjustable warehouse-dividing conveying and opening production line for water-jet non-woven fabric, which comprises two weighing machines, two mixing warehouses, and an adjustable conveying pipeline connecting the weighing machine group and the mixing warehouses; one end of a first conveying pipeline and a second conveying pipeline is respectively connected with different weighing machines, and the other end is respectively connected with different mixing warehouses; a reversing device is arranged on the second conveying pipeline; one end of a third conveying pipeline is connected with the weighing machine, and the other end is connected with the reversing device; the second conveying pipeline and the third conveying pipeline can be replaced with each other through the reversing device; the first conveying pipeline and the second conveying pipeline are combined to be used for fiber conveying, so that an AA surface double-layer structure can be formed; the first conveying pipeline and the third conveying pipeline are combined, so that an AB surface structure is formed; the reversing device is cut back to the second conveying pipeline, so that the AA surface double-layer structure can be quickly switched, the production line is convenient and fast, the addition of other auxiliary equipment is reduced, the cost and labor are reduced, the flexibility is high, and product diversification is achieved.

The invention discloses a control system of emergency lighting equipment. The control system comprises a main control module, a parameter configuration module, a test management module, an equipment state monitoring module, a signal interaction and arbitration module, a wireless communication adaptation module and a state display control module, wherein the main control module is respectively in communication connection with the parameter configuration module, the test management module, the equipment state monitoring module, the signal interaction and arbitration module, the wireless communication adaptation module and the state display control module; the signal interaction and arbitration module is respectively in communication connection with the parameter configuration module, the test management module, the equipment state monitoring module, the wireless communication adaptation module and the state display control module; according to the method, a plurality of core software function modules are divided, inter-module signal interaction specifications are defined, staged control logic is designed, and the pain point in the prior art is accurately solved.

The present application relates to an LNA switch switching method, device, computer equipment and storage medium. The method includes: obtaining the power value of the currently received radio frequency signal and the LNA switch threshold pair; judging whether the power value is within the interval formed by the current LNA switch threshold pair, and maintaining the original path when it is within the interval; when the original path is a Bypass path, obtaining the detection result of the LNA next-level circuit on the radio frequency signal, if the result does not meet the preset condition, updating the LNA path conduction threshold according to the preset step to obtain a new LNA switch threshold pair, and when the power value is outside the interval formed by the new LNA switch threshold pair, switching to the LNA path. The method dynamically adjusts the LNA path conduction threshold in combination with the actual received radio frequency signal and its detection result to avoid the failure to open the LNA path in time due to the signal power being too small.

This invention discloses a method, apparatus, electronic device, and storage medium for database node switching. The method includes: when a first node experiences a connection failure, determining the type of the failure; the failure type is determined based on the parameter status of the first node; if the failure type is a first failure type, performing a rollback operation; the first failure type describes that the first node has incomplete operations; if the failure type is a second failure type, controlling the database driver to generate a native object associated with the second node, generating a target proxy object based on the native object associated with the second node, and returning the target proxy object to the business end so that the business end can connect to the second node based on the target proxy object; the target proxy object is an object encapsulated from the native object. This invention solves the problem of numerous errors in business operations caused by node failures, greatly reducing business interruptions caused by database switching.

The utility model discloses a kind of high-pressure plunger pumps of continuous operation under high-temperature environment, belong to fluid conveying machinery technical field, including pump body, first cooling mechanism, water delivery pipeline assembly and second cooling mechanism, pump body is provided with power end and hydraulic end, water delivery pipeline assembly is installed on the outer wall of pump body, water delivery pipeline assembly water inlet end is connected with the hydraulic end of pump body, water delivery pipeline assembly is provided with two water outlet ends, first cooling mechanism is installed on the outer wall of pump body power end, first cooling mechanism water inlet end is connected with the water outlet end of water delivery pipeline assembly, second cooling mechanism is arranged in pump body, second cooling mechanism water inlet end is connected with the other water outlet end of water delivery pipeline assembly. The problem that the plunger pump lubrication temperature is too high, viscosity decreases, moving parts wear intensifies and thus cannot run stably under the conventional cooling mode of prior art is solved. It has the advantages of compact structure, high cooling efficiency, reliable operation and long service life.

The utility model relates to kitchen appliance accessories technical field discloses humidity detection device and cooking equipment, humidity detection device includes casing, humidity transducer and filter assembly, casing cover is established in the ventilation hole outside the cooking cavity of cooking equipment, be equipped with air outlet on the casing, humidity transducer installs in the casing, is used for detecting the humidity information of the gas that is discharged from the ventilation hole, filter assembly rotatably sets up at air outlet, has the closing position of the air outlet is shielded, and the exhaust position that opens the air outlet, the utility model filter assembly is in the closing position, slows down the circulation of the inside and outside air of casing, makes the humidity of the inside of casing improve, enhances the accuracy of humidity measurement of humidity transducer, when not needing carrying out humidity measurement, filter assembly rotates to the exhaust position, and the air outlet can be fully opened, can discharge the oil fume rapidly smoothly, improves the exhaust efficiency, effectively gives consideration to the double needs of humidity measurement and oil fume discharge.

The invention discloses an automatic filling device for phosphorus trifluoride, comprising a conveying pipe, an outer covering pipe, an outer shell, a feed end, a discharge end, an infusion pipe, a filling structure, a filter element shell, and further comprising: a reversing guide structure, comprising a first flip guide plate, a second flip plate, and a flip member, each of which is provided with a movable conductive member, and a relay pipe is connected between the two movable conductive members; a leakage point detection structure, comprising a first leakage point detector and a second leakage point detector; a reciprocating recoil component, comprising a swing member and a guide seat; a multi-baffle filter element structure, comprising a first feed filter cartridge, a first closing plate, a first filter ring plate, a second feed filter cartridge, an outer ring baffle, a second closing plate, a second filter ring plate, a retention rack, and a discharge slide pipe; an outer bottom extraction structure, comprising a fixed seat, an elastic tube, and a quick connector. The invention improves the filtering steps at the front end of the transmission pipeline and the filling stage, thereby improving the safety and quality of the filling.

The invention provides a robot indoor and outdoor fixed-point inspection method based on a GNSS and a 2D laser radar, and relates to the technical field of positioning navigation. The method comprises the following steps that S1, indoor and outdoor environment information is collected, a map is established, key nodes are selected indoors and outdoors, and key node information is collected; s2, constructing a topological map; s3, the robot receives all the specified inspection sites transmitted by the client, plans an inspection route passing through all the specified inspection sites, and starts to operate; s4, the robot arrives at the first designated inspection site, obtains key node information, receives the next inspection site as a new target site, judges whether the new target site is indoor or outdoor, adjusts the robot positioning method and goes to the new target site until the robot passes through all the designated inspection sites in sequence; and S5, determining whether the robot inspects again or not according to requirements. According to the invention, the robot can be accurately positioned in different indoor and outdoor environments, and positioning and navigation methods can be timely and accurately switched according to the environment.

The application provides a CPC ticket card recycling device, which comprises a mounting rack, at least two ticket card recycling structures and a bill recycling structure, and an operation panel. The mounting rack is provided with a moving platform. The ticket card recycling structures are installed on the moving platform, and each ticket card recycling structure is provided with at least one ticket tube. The bill recycling structure is arranged on the moving platform. The operation panel is arranged in front of the ticket card recycling structure and the bill recycling structure, and is provided with a ticket card recycling port corresponding to the ticket card recycling structure and a bill port corresponding to the bill recycling structure. The CPC card can be received simultaneously by arranging at least two ticket card recycling structures on the mounting rack, so that the traffic efficiency is improved. In addition, when a ticket card recycling structure fails, another ticket card recycling structure can still work, so that the use of the ticket card recycling device is not affected, and the efficiency of ticket card recycling is avoided.

The present invention provides a method and device for protecting a special service of an SPTN network, the method comprising: setting and / or converting the working mode of the path protection of the target service; the working modes comprising: static mode, preset path mode and dynamic path mode; the static mode is configured to switch directly to the preset protection path without recalculating after determining that the current working path fails; the preset path mode is configured to switch the path to the shortest and effective preset path when determining that the current working path or the preset protection path fails; the dynamic path mode is configured to recalculate the service path when determining that all preset paths in the preset path set are invalid, until a valid service path is calculated as the final dynamic path. The present invention not only improves the reliability and recovery speed of the service, but also reduces the loss of service traffic and improves the user experience.