16results about How to "Improve system security" patented technology

This invention provides a regulating device for a butterfly valve orifice plate for mixed gas in a coke oven basement, comprising a valve body, a continuous regulating mechanism for the butterfly valve, and a fixed throttling mechanism for the orifice plate. The inner cavity of the valve body serves as a gas flow channel, and the continuous regulating mechanism for the butterfly valve is installed within the channel perpendicular to the gas delivery direction. The continuous regulating mechanism for the butterfly valve is a structure that continuously and steplessly adjusts the opening and closing of the butterfly plate through a pneumatic actuator to achieve different gas flow rates. The fixed throttling mechanism for the orifice plate is an integrated throttling structure arranged within the channel along the gas delivery direction, and is sealed by a self-tightening lever clamping mechanism. The invention also provides a method for controlling gas flow using this device, which solves the problems of coarse regulation, the need to replace the orifice plate, and operational hazards associated with traditional orifice plate valves. It achieves continuous and precise regulation of gas flow without the need to replace the orifice plate, significantly improving the coke oven heating control level and system safety. It is particularly suitable for coke oven basement gas pipeline systems where space is limited and safety requirements are extremely high.

The invention discloses a ring network system for a well drilling site and an implementation method thereof, the ring network system comprises a redundant PLC system, at least two switch slave stations and at least two types of network lines, each switch slave station is connected with different types of well drilling equipment control systems, and the network lines are connected with the redundant PLC system. All the switch slave stations and the redundant PLC system are connected through each type of network lines to form a corresponding type of looped network, and the redundant PLC system is used for controlling the looped network system to be switched from the current looped network to the other type of looped network when it is detected that a node communication fault occurs in the connected looped network. The network stability and the system safety of a drilling site are improved, and stable operation of site construction is guaranteed.

This application relates to a nitrogen humidifier, comprising a first housing, a connecting member, an air inlet pipe, a liquid inlet pipe, a second housing, a flow restrictor, and a connector. The connecting member is disposed at a first opening of the first housing and has a first air passage, an air inlet passage, and a liquid inlet passage, which are respectively connected to an external controlled air source and a liquid source. The air inlet pipe and the liquid inlet pipe respectively introduce gas and liquid into a first accommodating space for premixing. The first air passage connects to a second accommodating space of the second housing, where the flow restrictor is disposed. The flow restrictor agitates the ejected mixed airflow to achieve secondary mixing. The connector is disposed at a third opening of the second housing to exhaust the mixed gas. This nitrogen humidifier, through independent gas and liquid supply and a two-stage mixing design, effectively improves humidification efficiency and humidity stability, solving the problems of low mixing efficiency and poor humidity control in existing technologies, and is suitable for high-precision process requirements.

The invention discloses a multi-person shared health detection device capable of accurately recognizing user identity based on sound. The device comprises a microphone array, a physiological parameter sensor, a processor and a memory. The method comprises the following steps of: performing front-end processing on a collected voice signal to obtain an effective voice segment; extracting a voiceprint embedding vector by using a deep neural network; comparing the vector with a local voiceprint template library to obtain a highest score and candidate identities; carrying out living body and playback attack authenticity discrimination by analyzing multi-dimensional acoustic features and utilizing a classification model; and binding and associating the identity label with the health data collected by the sensor when the identity label is judged to be a real living body and the similarity score meets a judgment condition. The method has the advantages of high noise resistance, attack resistance and end-side low delay, supports offline work and model increment self-adaption, is suitable for families, communities, medical institutions and other scenes, and effectively improves the use convenience and data security of shared health equipment.

This invention discloses a method and system for credibility analysis of home-based elderly care health summaries based on electronic photo frames, relating to the field of multi-source data fusion technology. This invention retrieves health records and knowledge bases based on event objects to generate display requirement objects; generates health summary text and a set of interactive controls according to the display requirements, forming a display payload; generates a display queue based on device status and determines the content to be pushed; loads and renders a template to complete the display; collects touch and voice behaviors within the interactive window, generates a unified interaction record, and reports any non-response; extracts features from touch, voice, and physiological signals, calculates signal quality scores, and generates a comprehensive confirmation confidence level; summarizes the signal quality scores, calculates the global mean, compares it with a threshold, and determines whether to execute a correction process, significantly improving the security, reliability, and user experience of the home-based elderly care health summary system.

The invention discloses an electric excavator cable management system and a control method, and belongs to the technical field of engineering machinery electronization. The system comprises an excavator controller, a left-right walking encoder, a tension detection device, an insulation detection module and a horizontally-installed cable drum, and the drum is of a three-fulcrum installation and conical shield structure and is matched with the narrow space of the small excavator. According to the control method, speed fusion of the double encoders is executed in a fixed period, an equivalent translation speed and a rotation angular speed are obtained, and a feed-forward torque is generated in combination with dynamic feed-forward compensation; self-adaptive synchronous control is achieved through tension closed loop and walking speed prediction, and protection action is executed preferentially when tension exceeds the limit; and meanwhile, data such as insulation, tension, length and the like are fused to realize cable health diagnosis and multi-stage early warning. The problems that a tracked vehicle is inaccurate in speed reference and poor in dynamic response, cables are prone to being snapped and rolled and the like are solved, all-working-condition unmanned take-up and pay-off are achieved, and the reliability and safety of a system are improved.

The application discloses a peripheral expansion method and system for a Hongmeng system and a storage medium, relates to the technical field of operating systems, and the method calls a peripheral manager to perform physical connection detection when a peripheral is accessed, and completes protocol identification according to interface attributes to form a peripheral interaction data group; a peripheral recognition reliability index Rpr is constructed to perform stability evaluation on peripheral access, stable peripheral information is written into a virtual bus abstract layer to generate a logical peripheral object, a driver manager is called to load a driver, and a peripheral call data group is recorded to construct a loading efficiency coefficient Elo; after the driver is loaded, an application layer performs abstract calling through a standardized API interface and records calling delay; and finally, a peripheral expansion performance index Pal is constructed to comprehensively evaluate peripheral expansion performance. The application realizes a unified expansion mechanism for cross-protocol peripheral access and function on-demand loading, and improves the stability of peripheral expansion and system performance.

The invention provides a game operation system access method and device, equipment and a medium. The method comprises the following steps: receiving an access request of a user to a target system, wherein the access request is forwarded by an intelligent platform management interface IPMI connection framework; wherein the access request comprises a public network address, a source IP address and a request user agent UA of the target system; determining a survival transit server in the same network environment with the target system based on the public network address, and controlling the transit server to deploy proxy service; creating or calling a target container based on the triple data; wherein a virtual network computing VNC service and a proxy client are deployed in the target container, and the proxy client is used for being connected with a proxy service port of the transit server; and returning the VNC link of the target container to the IPMI connection framework, so that a user accesses the target container through the VNC link, and accesses the target system through the proxy client and the proxy service of the transit server. By adopting the method, the cost can be reduced, and the operation and maintenance efficiency and safety are improved.

A harmless treatment tank for livestock and poultry died of illness belongs to the technical field of anaerobic treatment, and aims to solve the problems that the sealing performance is continuously reduced and fermentation gas leakage is aggravated due to long-time use of a flange connection part, the harmless treatment tank comprises a treatment tank body and a first flange pipe arranged at the top of the treatment tank body, a second flange pipe is installed at one end of the first flange pipe, a gas collecting piece is arranged at one end of the second flange pipe, a pressure difference sensor is installed in the first flange pipe, a fixing disc is fixedly installed on the surface of the second flange pipe, and a threaded pipe is rotationally connected to the surface of the second flange pipe. The leakage state of the joint of the first flange pipe and the second flange pipe can be monitored in real time, once gas leakage occurs, the driving piece, the threaded pipe and the sealing piece act rapidly, the joint of the first flange pipe and the second flange pipe is wrapped and sealed, fermentation gas leakage is inhibited from the source, and the fermentation gas collection rate and the system safety are remarkably improved.

The utility model relates to the technical field of steel plant sludge drying, and discloses a waste heat recycling sludge drying device suitable for a steel plant, which comprises a support, the top of the support is fixedly connected with a storage box, the top of the support is provided with a drying assembly, and the drying assembly comprises a conveying pipe. The bottom of the conveying pipe is fixedly connected to the top of the support, a low-temperature belt type drying machine is arranged on the outer wall of the support, a spiral pipe is rotationally connected into the conveying pipe, and a discharging opening is formed in the bottom of the conveying pipe. In the utility model, sludge is put into the buffer storage bin through a loading vehicle and is conveyed to the low-temperature belt type drying machine through a screw and a scraper blade, hot air of 150 DEG C generated by tail gas of an air cooling section of the annealing furnace is utilized to heat air supplied by a mesh belt to 80 DEG C to dry the sludge, wet and hot air is discharged after being dedusted by the spray tower, and the dried sludge is conveyed through a multi-stage screw; the problems of waste heat waste and high sludge treatment cost are solved, and the energy utilization efficiency and the environmental protection property are improved.

The invention discloses CT power taking equipment, an electric quantity management and upgrading method and device thereof and a medium, and relates to the technical field of battery management. The electric quantity management and upgrading method comprises the following steps: S1, in response to a remote upgrading trigger request, collecting key hardware state data; and S2, based on the collected parameters, calculating the total available energy of the equipment. The total available energy is the sum of the available energy of the battery, the available energy of the super capacitor and the predicted available energy based on the CT parameters. And S3, calculating the required energy for completing at least one upgrade data unit. And S4, the total available energy is compared with the required energy, a corresponding upgrading strategy is executed according to a comparison result, and the upgrading strategy comprises a complete upgrading mode, a breakpoint resume mode or a delayed upgrading mode. And S5, in the breakpoint resume mode, downloading, writing and checking data by taking a fixed upgrade data unit as a unit, and updating breakpoint information after each unit is completed.

The application relates to the field of operation and maintenance service management, and discloses a data center asset management method and system based on an out-of-band network and a server. In the application, at least two types of devices are imported into a data center based on an out-of-band network according to a multi-protocol adaptation template and / or a collection plug-in, and configuration information and hardware information of the at least two types of devices are acquired; the acquired hardware information is preprocessed, and the preprocessed hardware information is predicted and abnormally judged; alarm data is generated according to a prediction result and an abnormal judgment result, and an association between the generated alarm data and historical alarm data is extracted to perform alarm analysis and fault prediction; and in response to a device configuration instruction, the configuration information of the at least two types of devices is set through the out-of-band network, and a control script is generated to control the at least two types of devices to perform corresponding operations.

The invention relates to the technical field of oilfield chemical additives, and discloses a high-temperature slow-release oilfield acidifier and a preparation method thereof. The acidifying agent comprises the following components in parts by weight: 10-20 parts of modified polyaryletherketone, 20-35 parts of an organic coated acid source, 2-8 parts of a high-temperature stable cross-linking agent, 1-5 parts of a nonionic surfactant, 5-10 parts of a solubilizer and 30-60 parts of a water phase system. The modified polyaryletherketone is sulfonated, grafted with polyether amine and cross-linked with triethoxy borate to form a microporous network shell layer, so that core-shell coating of an acid source is realized. The preparation method sequentially comprises three steps of sulfonating polyaryletherketone, grafting polyether amine and crosslinking boric acid ester, and then emulsifying an acid source, a surfactant, a solubilizer and a water phase. The acidifying agent can be continuously controlled within 180-250 min in an environment of 150 DEG C or above, has the advantages of being large in penetration depth, low in metal corrosion rate and good in dispersion stability, and is suitable for acidification yield increase operation of deep high-temperature carbonate reservoirs.

The utility model discloses an embedded cable arrangement device of a fire-fighting distribution box, which belongs to the technical field of fire-fighting distribution boxes and comprises a fixed seat, the fixed seat comprises a base, one side of the base is provided with an embedded plate, and a plurality of groups of first clamping grooves for fixing cable bodies are arranged between the base and the embedded plate; the fixing seat is matched with the embedded block, the structure is simple, convenience and practicability are achieved, the cable body can be separately stored through the first clamping groove and the second clamping groove, when a certain cable is overhauled, the unlocking piece corresponding to the embedded block is operated to pull out the embedded block, other cables are not affected, the working difficulty is reduced, and the maintenance efficiency is improved. Meanwhile, multiple groups of first clamping grooves and second clamping grooves enable the cables to be arranged in order, clamping blocks and springs are matched to enhance the fixing effect, limiting strips and limiting grooves assist in mounting, and mounting plates and holes facilitate overall mounting and separate storage, so that heat dissipation of the cables is facilitated, the fault risk is reduced, the service life of the cables is prolonged, and the system safety is improved.

The application discloses a method for evaluating the comprehensive performance of an oil-gas mixed conveying pump based on multi-source information fusion, which comprises the following steps: obtaining performance data of the oil-gas mixed conveying pump under different gas contents and multiple working conditions; selecting evaluation indexes from the aspects of performance, gas-liquid uniformity and stability based on the performance data; determining the importance order of the indexes by using the analytic hierarchy process, constructing a judgment matrix and calculating the weight coefficients of the indexes; establishing a decision matrix by using the technique for order preference by similarity to ideal solution (TOPSIS), and determining the positive and negative ideal solutions of each working condition of the oil-gas mixed conveying pump in combination with the weight coefficients; calculating the relative closeness based on the positive and negative ideal solutions; quantitatively evaluating the overall quality of the mixed conveying pump under different working conditions according to the relative closeness, and analyzing the comprehensive influence trend of the performance, gas-liquid uniformity and stability caused by the import gas content and flow rate. The method solves the problem of poor accuracy and objectivity of the overall performance evaluation of the mixed conveying pump caused by single performance parameter analysis in the prior art, and provides technical support for the optimized design and performance improvement of the oil-gas mixed conveying pump.

The utility model relates to the technical field of pulverized coal system valves, and discloses a pressure relief mechanism of a pulverized coal system valve, which comprises a coal conveying pipe and a mechanical pressure relief valve, the bottom of the mechanical pressure relief valve is provided with a feed port, the feed port is fixedly connected to one side of the top of the coal conveying pipe, the middle of the mechanical pressure relief valve is provided with a pressure relief port, and the pressure relief port is fixedly connected to one side of the top of the coal conveying pipe. A circulating pipe is fixedly connected to the interior of the pressure relief opening, an anti-blocking assembly is arranged in the circulating pipe, and a secondary pressure relief assembly is installed on the other side of the top of the coal conveying pipe; the secondary pressure relief assembly comprises a main valve cylinder and a secondary valve cylinder, and one end of the secondary valve cylinder is obliquely installed on the side wall of the main valve cylinder. According to the multi-stage pressure relief device, firstly, the mechanical pressure relief valve is used for quickly reducing the pressure, and then the secondary pressure relief valve is used for stably releasing the pressure, so that the system safety is improved. The pressure relief opening is connected with the circulating pipe to recycle pulverized coal, loss is reduced, blockage is prevented through the ultrasonic vibration rod, pipeline smoothness is guaranteed, and the energy utilization efficiency is improved.