40results about How to "Delayed failure time" patented technology

The invention relates to a lifting mechanism for an intelligent oxygenation system. The lifting mechanism consists of a rotating device, a control device and a support frame device, wherein the rotating device comprises a motor, an eccentric wheel, a rack and a rotating arm in sequential connection, the control device comprises a control circuit, a first detection circuit and a second detection circuit, the support frame device comprises a waterproof box, a fixing rod and a floating ball. The lifting mechanism for the intelligent oxygenation system provided by the technical scheme of the invention has the advantages that an intermittent collection mode is adopted for an oxygen dissolution sensor, the sensor is ensured to carry out collection at a certain depth under the water during the data collection, and the sensor can be separated from turbid water in a period of not carrying out the collection, so the invalidation time of the sensor is greatly slowed down, in addition, a certain cleaning effect is also realized on the sensor in the rotating process of the mechanism.

The invention relates to the technical field of communication and provides a site selection method for monitoring stations and a device for site selection of the monitoring stations. The site selection method for the monitoring station comprises the steps of obtaining a station list comprising a plurality of relay stations and a connection relationship of optical cables among the relay stations; setting each relay station as a start station in sequence, traversing the relay stations in the station list starting from the start station according to a preset coverage range, and determining a setof the uncovered relay stations corresponding to each start station; and carrying out traversal and intersection on the set of the uncovered relay stations corresponding to each start station according to a preset intersection base number, and determining one or more relay stations corresponding to the sets of which intersection result is a null set as target monitoring stations. According to thesite selection method for the monitoring station provided by the invention, the site selection efficiency and accuracy of the monitoring stations is improved, and the method and the device have relatively wide applicability.

The invention discloses an intelligent substation cluster measurement and control system and a measurement and control method thereof. The system comprises a cluster measurement and control device; the cluster measurement and control device comprises a plurality of virtual measurement and control devices, and each virtual measurement and control device comprises an NPI board used for receiving SVdata and interacting GOOSE data, a communication board used for MMS network communication, an input board used for hard input state acquisition, and a CPU board used for logic calculation; each virtual measurement and control device is corresponding to each real measurement and control device, and is put into operation when the real measurement and control devices fail or are abnormal. According to the invention, hidden troubles of data interruption and remote control failure caused by a single-point fault existing in a measurement and control function after a transformer substation spacer layer measurement and control device fails at present can be solved.

The invention relates to a battery module capable of delaying heat diffusion and a battery pack. The battery module comprises multiple groups of stacked battery cells, a module upper cover and a fireproof heat insulation pad, wherein the fireproof heat insulation pad is arranged between top sealing edges of the multiple groups of battery cells and the module upper cover, multiple heat diffusion openings are formed in the fireproof heat insulation pad, and the heat diffusion opening is connected with a door-shaped structure for opening or closing the heat diffusion opening; multiple heat diffusion holes are formed in the module upper cover, and the multiple heat diffusion holes and the multiple heat diffusion openings are arranged in a one-to-one correspondence manner; and a closed heat diffusion channel is formed between each group of battery cells and the fireproof heat insulation pad through the sealing structure, and the heat diffusion channel at least corresponds to one heat diffusion opening. When a single battery cell is subjected to thermal runaway, the edge sealing position where thermal runaway eruption is not expected to occur is pressed by the fireproof heat insulation pad to prevent the non-target eruption position from being broken and erupted and prevent high-temperature gas or flame from rushing the door-shaped structure to erupt, so that the influence on other groups of battery cells can be reduced, the thermal runaway of other groups of battery cells is delayed, and even other battery cells are not triggered to generate thermal runaway.

The invention provides a paddy field chemical fertilizer burying device. The paddy field chemical fertilizer burying device comprises a paddy field power walking part, a fertilizer discharging part and a slurry stirring part, wherein the slurry stirring part comprises a slurry stirring wheel which rotates in a paddy field in a driving or driven manner so that slurry in a field walking track is stirred; the fertilizer discharging part comprises a fertilizer box for storing fertilizers, and a fertilizer discharging mechanism mounted at the bottom of a box body; the fertilizer discharging mechanism is used for discharging the fertilizers from the fertilizer box into the field along a fertilizer applying pipe; the slurry stirring wheel is located behind an outlet of the fertilizer applying pipe; and the stirring part and the fertilizer discharging part are connected with the power walking part into a whole body by a rack. According to the paddy field chemical fertilizer burying device, after a fertilizer is applied into the paddy field, the slurry in the paddy field is stirred by the stirring wheel and then is mixed with the applied fertilizers, so that the fertilizers are fused into mud and the aim that the effect by using the device is same with the deep application effect is realized.

The invention discloses an anti-flash circuit assembly and an image sensor. Wherein the anti-flash circuit assembly further comprises a plurality of flash detection units, each flash detection unit comprises a first photoelectric detection module, a first triggering generation module and a first port logic module, and the first photoelectric detection module is suitable for monitoring light signals irradiated on the first photoelectric detection modules in real time and outputting corresponding electric signals; the first input end of the first trigger generation module is coupled to the first photoelectric detection module, the first output end of the first trigger generation module is coupled to the first interface logic module, and the first trigger generation module is suitable for generating a first trigger generation signal to the first interface logic module when the electric signal exceeds a set threshold value; the first input end of the first interface logic module is coupled to the first trigger generation module; wherein a second input end of the first interface logic module is coupled with the flash detection control unit through a flash detection refresh signal line,a first output end of the first interface logic module is coupled with the flash detection control unit through a flash detection trigger signal line, and the first interface logic module is suitablefor outputting a trigger state signal when receiving a first trigger generation signal.

The invention discloses a testing device for the reliability for a grating encoder and aims at solving the problems of low reliability, high fault rate, low operation quantity and difficulty in detaching of the grating encoder. The testing device comprises a main body part, a high-low telescopic trolley, a work condition simulating device and a detection control system, wherein the main body partcomprises a rotating device (A), a handling device (B) and a mounting device; the rotating device (A) comprises a rotary supporting bearing (1); the handling device (B) comprises a boss (5); the high-low telescopic trolley comprises a docking table (150) and taper pins (155) mounted on the docking table (150); the work condition simulating device comprises a three-comprehensiveness test chamber (159); a three-comprehensiveness test chamber base plate (162) is arranged in the three-comprehensiveness test chamber (159); the main body part is mounted on the three-comprehensiveness test chamber base plate (162) through the rotary supporting bearing (1); the high-low telescopic trolley is connected with the boss (5) through the taper pin (155); the detection control system is electrically connected with the mounting device and the work condition simulating device.

The invention proposes a manufacturing method for reducing hot carrier injection damage of a semiconductor device, comprising the following steps: forming an n well and a p well in a semiconductor substrate, growing a gate oxide layer above the substrate, and forming a gate oxide layer on the gate oxide layer. Polysilicon gate; after covering the photoresist layer above the n-well region, perform source-drain implantation of lightly doped drain region structure in the p-well region; ash the photoresist layer with a combination gas containing carbon tetrafluoride and source-drain in the p-well region Silicon-fluorine bonds are formed at the end interface; after covering the photoresist layer above the p-well region, the lightly doped drain region structure source-drain implantation is performed on the n-well region; the photoresist layer is ashed with a combination gas containing carbon tetrafluoride and A silicon-fluorine bond is formed at the source-drain interface of the n-well region; gate sidewalls are fabricated and source-drain implants are performed to form source and drain electrodes. The invention provides a manufacturing method of a MOS device capable of reducing the hot carrier injection damage of the semiconductor device, which can not only prevent the hot carrier injection damage of the MOS device, but also suppress the boron punch-through phenomenon.

The invention discloses an operating method of a battery pack of an electric locomotive. A circuit in the method comprises a multi-way high-frequency transformer, a high-frequency rectification loop and additional charging circuits; during charging, charging current is distributed to the additional charging circuits of single batteries; the distributed charging current depends on the magnitude of voltage of each single battery, i.e., the higher the voltage of each single battery is, the lower the obtained charging current is, and the lower the voltage of each single battery is, the higher the obtained charging current is; during discharging, the additional charging circuits distribute additional current to the single batteries; the higher the voltage drop speed of each single battery is, the higher the obtained additional current is, and the lower the voltage drop speed of each single battery is, the lower the obtained additional current is. With the adoption of the method, high-current non-dissipative equalization can be achieved in charging and discharging processes of the battery pack; the consistency of the batteries within a life cycle is ensured to the greatest extent; the whole battery pack can still operate normally when few batteries have faults; and the service life of the battery pack is greatly prolonged.

The invention discloses a semiconductor wafer and a semiconductor sealing structure. The semiconductor wafer comprises a plurality of chips, an insulating layer, a plurality of protrusion block lower metal layers and a plurality of conduction protrusions. Each chip is provided with an active surface and a plurality of connecting pads formed on the active surface. The insulating layer is formed on the active surfaces of chips and provided with a plurality of opening structures exposing the connecting pads in a corresponding mode. Each opening structure comprises a central opening and at least two extending opening grooves. The hole diameter of each central opening is smaller than the diameter of each connecting pad. Each extending opening groove extends outwards from an edge of each central opening in a radiating mode and keeps a certain distance with the edge of the connecting pad. The plurality of protrusion block lower metal layers are respectively formed on the opening structures and electrically connected with the connecting pads. The plurality of conduction protrusions are respectively formed on the protrusion block lower metal layers. The opening structures of the insulation layer is favorable for enhancing stress buffering effect and increasing combined area of the protrusion block lower metal layers and the connecting pads.

The invention discloses a slow-release stress-resistant probiotic crystal ball and a preparation method thereof. The slow-release stress-resistant probiotic crystal ball comprises a probiotic inner core layer, a slow-release layer, a stress-resistant layer and a protective layer which are sequentially arranged from inside to outside, wherein the probiotic inner core layer is of a spherical structure, and the surface of the probiotic inner core layer is sequentially coated with the slow-release layer, the stress-resistant layer and the protective layer. The probiotic inner core layer is wrapped with the material of the slow-release layer, the material of the stress-resistant layer and the material of the protective layer in sequence through a pot coating method to obtain the slow-release stress-resistant probiotic crystal ball. The probiotic crystal ball membrane material with better stress resistance is prepared, and the stress-resistant membrane can better protect the probiotics in the membrane, so that the probiotics are prevented from being damaged and inactivated by gastric acid, cholate, pancreatic juice and the like in the digestive tract during use, and an ideal effect is exerted.

The invention relates to a network management system in a communication network, in particular to a mode for processing warning of the network management system in the communication network, and particularly provides a method for interactively automatically processing warning in a communication network management system. The method automatically generates processing commands in each processing step of warning according to maintenance experience summarized by maintainers by processing steps of system standardized and normalized warning, thus realizing the interactive processing of the warning; and concurrent operation of different maintainers during warning processing process can be avoided by an interactive processing module. Compared with the prior art, the method can realize safe and efficient warning automatic processing, when the warning takes place, the system automatically generates the processing command by the mode of maintainer participation, and is automatically executed to achieve the aim of quickly eliminating warning, shortening warning period, and improving warning processing efficiency of the maintainers.

A command communication network integration system based on an IP comprises network managing device and a managed device. The network managing device is composed of two network control devices, and redundant backup protection is performed between the main network control device and the auxiliary network control device. The managed device comprises a network switching / routing device, a network security device, a wired integration communication device, an IP voice processing device, a command terminal device, a satellite communication navigation device, a microwave radio station device and an ultra-short wave radio station device. Information interaction is performed between the network managing device and the managed device through an IP network to complete device managing and maintain work.

The invention discloses a refractory glass thermal-insulation frame positioning structure. The refractory glass thermal-insulation frame positioning structure comprises a sectional material spliced frame used for positioning the edge of refractory glass, wherein a cavity for containing the edge of the refractory glass is formed in the sectional material spliced frame, and fireproof flame-retardant rubber strips attached to the refractory glass are fixed to the parts, on the two sides of the cavity, of the sectional material spliced frame; a refractory glass edge protecting frame is fixed to the part, at the bottom of the cavity, of the sectional material spliced frame and provided with a positioning clamping groove for clamping the edge of the refractory glass. The refractory glass thermal-insulation frame positioning structure is characterized in that a thermal-expansion graphite band is attached to the sectional material spliced frame, and the cavity is filled with the thermal-expansion graphite band after thermal expansion. The thermal-expansion graphite band is attached to the sectional material spliced frame, the cavity for positioning the refractory glass is filled with the graphite band after thermal expansion, the graphite band is expanded to reinforce the refractory glass and obstruct heat transfer, the fireproof flame-retardant rubber strips are protected, and the refractory glass thermal-insulation frame positioning structure is prevented from separating from the refractory glass; in this way, the positioning stability of the refractory glass is greatly improved through the whole structure, and then the flame-retardant and thermal-insulation performance of the refractory glass is further improved.

The invention discloses a driving circuit, a display panel, a display device and a voltage stabilization control method. The driving circuit comprises an input module, a control module, an output module and a voltage stabilizing module. Wherein the output module is used for outputting a scanning signal through the output end of the output module according to the level signal states at the first node and the second node. The input end of the voltage stabilizing module is connected with the output end of the output module, the first control end of the voltage stabilizing module receives a second clock signal, the second control end of the voltage stabilizing module is connected with the second node, and the output end of the voltage stabilizing module is connected with the first node. And the output end of the output module is communicated with the first node to maintain stable output of the scanning signal. The problem that in the prior art, a voltage stabilizing circuit is prone to circuit failure, and then the performance of a driving circuit is affected can be solved.

The invention provides a display panel and a method for preparing a packaging structure of the display panel. The display panel includes a side packaging structure and a surface packaging structure. The side packaging structure is located in a non-display area of ​​the display panel. The side packaging structure includes a first frame glue and a second The frame glue, the second frame glue is set close to the display area of ​​the display panel, the first frame glue is formed with a raised portion facing the second frame glue side, and the second frame glue is formed with a corresponding concave portion corresponding to the raised portion; and Compared with the existing packaging structure, the present invention designs the main frame glue and the corner frame glue of the first frame glue in the non-display area in different areas, and prevents the intrusion of water and oxygen without increasing the width of the non-display area. The path improves the water resistance of the material, delays the failure time of the device, improves the problem that the four corners of the display panel and the peripheral center of the frame are prone to failure, enhances the packaging effect, prevents water and oxygen from invading into the light-emitting device layer from the four corners, and further improves the display panel. service life.

The invention discloses a power station boiler water-cooled wall temperature online prediction method based on a gating neural network, and belongs to the field of power station boiler equipment water-cooled wall pipeline temperature measurement. According to the method, the problem that long-term real-time accurate prediction of the temperature of the water wall tube is difficult to realize by utilizing the existing updating model is solved. The method comprises the steps that the water wall pipeline temperature and temperature related variables are collected; preprocessing the water wall pipeline temperature and the temperature related variables to obtain preprocessed data, and taking the preprocessed data as a historical training data set; establishing a gating neural network model, and performing offline training on the gating neural network model by using historical training data; performing model parameter online updating on the offline trained gating neural network model to obtain a gating neural network model of which the parameters are updated online; and inputting the water-cooled wall pipeline temperature related variables collected in real time into the online updated gating neural network model, and outputting to obtain the predicted water-cooled wall pipeline temperature. The method is used for predicting the temperature of the boiler water wall pipeline.

The invention relates to a method of optimizing a radio link monitoring window parameter in a user equipment of a radio heterogeneous communication network, the radio heterogeneous communication network including a macro cell and a small cell, the method including the steps of: receiving a first radio link monitoring window parameter and a second radio link monitoring window parameter from an e NB of the macro cell; using the first parameter below the second parameter as the radio link monitoring window parameter; determining whether the user equipment is close to the small cell; and if a determination result is negative, then continuing the use of the first parameter as the radio link monitoring window parameter, or if the determination result is positive, then using the second parameter as the radio link monitoring window parameter. The user equipment uses a third parameter obtained from an e NB of the small cell as the radio link monitoring window parameter after being handed over to the small cell. All these three parameters are related to the motion speed. With the solution of the invention, different time values of radio link invalidation can be set for different scenarios in a heterogeneous network to thereby improve mobility performance.

The invention belongs to the technical field of communication, and particularly relates to a multipath routing protocol method for unmanned aerial vehicle ad hoc network mobility prediction, and the method comprises the steps: building an unmanned aerial vehicle mobile node system model according to the moving path of an unmanned aerial vehicle; according to the constructed unmanned aerial vehicle mobile node system model, adopting a multipath routing algorithm to establish a main backup route, wherein the main backup route comprises a main path and a backup path; acquiring information of a node to be predicted, inputting the node information into the node mobility prediction model to obtain a mobility prediction result of the node, and constructing a routing list according to the prediction result; executing route switching according to the route list node; according to the multipath routing protocol scheme for predicting the mobility of the unmanned aerial vehicle ad hoc network provided by the invention, not only are the high dynamics of the unmanned aerial vehicle nodes, the residual energy of the unmanned aerial vehicle nodes, the signal strength and the link failure time considered, but also the problem of routing reconstruction caused by frequent breakage of the routing is considered, so that the routing reconstruction time is shortened.

The invention relates to the technical field of bridge construction, and discloses an external prestressed tendon fireproof heat insulation device. The device comprises a bridge structure and an external prestressed tendon body connected to the bridge structure by arranging an anchoring part, the external prestressed tendon body is sleeved with a protection assembly, the protection assembly comprises a protection sleeve, a flexible resin sleeve and an expandable graphite inner pipe, the protection sleeve is made of a heat insulation material, and the protection sleeve, the flexible resin sleeve and the expandable graphite inner pipe are sequentially arranged on the external prestressed tendon body in a sleeving mode from outside to inside. The device has the characteristics of fire prevention, heat insulation, capability of ensuring that the bridge is not easy to collapse, and good safety.

The invention discloses an anti-flash circuit assembly and an image sensor. Wherein, the anti-flash circuit assembly includes a plurality of flash detection units, and the flash detection unit includes: a first photoelectric detection module, which is suitable for real-time monitoring of light signals irradiated thereon, and outputs corresponding electrical signals; a first trigger generation module, Its first input end is coupled to the first photodetection module, its first output end is coupled to the first interface logic module, and the first trigger generation module is adapted to generate a first trigger when the electrical signal exceeds a set threshold Generate a signal to the first interface logic module; and the first interface logic module, its first input end is coupled to the first trigger generation module, its second input end is coupled to the flash detection control unit via the flash detection refresh signal line, and its The first output terminal is coupled to the flash detection control unit via the flash detection trigger signal line, and the first interface logic module is adapted to output a trigger state signal when receiving the first trigger generation signal.

The invention provides an application method of an alkali electroless nickel / cobalt-plating solution. By using sodium hydroxide and / or potassium hydroxide as one additive for holding the pH value of an electroless plating solution, concentration of NH4<+> in the solution is not greater than 40g / L. The method can greatly slow down failure time of the alkali electroless plating solution, improve the metal utilization ratio in the electroless plating solution, lower the production cost and reduce the sewage treatment quantity; further, the method can be carried out simply and the production can be implemented practically and easily.

The invention discloses a rock wool filling-based isolation device for a fireproof door. The rock wool filling-based isolation device comprises a wall structure, wherein the wall structure comprises afloor, a ceiling and a door post connected between the floor and the ceiling; the fireproof door which is hollow inside and is provided with an opening in the top is hinged to the door post; the fireproof door is filled with rock wool; a seat plate which is in sliding connection with the top surface of the fireproof door is fixed at the bottom of the ceiling; a through hole which communicates with an inner cavity of the fireproof door is formed in the seat plate; a vacuum groove which is positioned above the seat plate and communicates with the through hole is formed inside the ceiling; the fireproof door is a normally closed door which is opened only when a fire occurs and the fireproof door is maintained; the vacuum groove is filled with supplementary cotton; a simulated vacuum environment is formed in the vacuum groove; and a water outlet mechanism is arranged in the ceiling. According to the fireproof door disclosed by the invention, the failure time of rock wool fillers and a core plate in the fireproof door can be delayed, and the heat insulation and fire resistance of the fireproof door are greatly improved.

The invention provides a display panel and a preparation method of a packaging structure of the display panel. The display panel comprises a side packaging structure and a surface packaging structure. The side packaging structure is located in a non-display area of the display panel. The side packaging structure comprises a first frame adhesive and a second frame adhesive. The second frame adhesive is arranged close to a display area of the display panel. A protruding part is formed on the side, facing the second frame adhesive, of the first frame adhesive, and a recessed part in embedding fit with the protruding part is formed in the position, corresponding to the protruding part, of the second frame adhesive. Compared with an existing packaging structure, the main frame adhesive and the corner frame adhesive of the first frame adhesive of the non-display area are designed in different regions, under the condition that the width of the non-display area is not increased, a water and oxygen invasion path is prevented, the water resistance of materials is improved, the failure time of devices is delayed, the problem that the four corners of the display panel and the peripheral center of the frame are prone to failure is solved, the packaging effect is enhanced, water and oxygen are prevented from invading the light-emitting device layer from the four corners, and the service life of the display panel is further prolonged.