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89results about How to "Timely control" patented technology

Image acquisition device, household appliance and smart home system

The invention relates to the technical field of intelligent household electrical appliances, and discloses an image acquisition device, comprising: a camera module configured to acquire an image of a target area; a first communication module configured to receive detection data; and the information processing module is configured to input the acquired image and the received detection data into a target information processing model, and control the operation of target equipment according to a control instruction output by the target information processing model. According to the device, the target information processing model is localized, and quick response and timely control can be realized in household appliance control. In particular, during cooking, potential risks can be prevented or intervened, the intelligent degree of cooking can be improved, and the cooking time investment of a user is reduced. The invention further discloses a household appliance and a smart home system.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD

Fault limp maneuver enhancement control method and system for distributed driving electric vehicle

The embodiment of the invention provides a distributed driving electric vehicle fault limp maneuvering enhancement control method and system, and relates to the technical field of data processing. The method comprises the steps that current vehicle parameters and hub motor fault information are obtained; calculating the current vehicle parameters based on a preset expected state estimation model to obtain a vehicle state control target; the current vehicle parameters and the vehicle state control target are calculated based on a preset optimization control model, and the direct yawing moment and the active front wheel turning angle are obtained; determining an initial torque adjustment parameter corresponding to the hub motor fault information; torque compensation distribution information is determined based on the hub motor fault information and the direct yawing moment; integrating the initial torque adjustment parameter and the torque compensation distribution information to obtain target torque adjustment information; and determining the target torque adjustment information and the active front wheel rotation angle as current control information of the distributed driving electric vehicle. The driving stability of the vehicle can be improved.
Owner:WUHAN UNIV OF TECH

Fault prediction method for flexible hand for underwater robot operation

The invention discloses a fault prediction method for a flexible hand for underwater robot operation, and belongs to the technical field of fault prediction, and the method comprises the steps: obtaining historical fault data collected by a sensor unit, carrying out the preprocessing, carrying out the feature screening, building a fault prediction model based on a time convolution network-bidirectional gating recursive unit neural network, and carrying out the fault prediction. And introducing a chaos mechanism and a crossover mutation improved samson algorithm to carry out hyper-parameter optimization on the fault prediction model to obtain an optimized fault prediction model, and inputting the online operation data of the flexible hand into the model to carry out fault prediction. The fault diagnosis precision can be improved, the long-term maintenance cost of equipment can be reduced through effective fault prediction and maintenance measures, and the overall economic benefit is improved.
Owner:QINGDAO INNOVATION & DEV CENT OF HARBIN ENG UNIV

Whole-process intelligent management system and method for engineering project

The invention belongs to the technical field of engineering project management, and discloses an engineering project whole-process intelligent management system and method, and the system comprises a planned construction risk analysis module, a construction feasibility judgment module, a site construction risk analysis module, and a construction stop demand judgment module. According to the method, the management risk condition, the material supply risk condition and the objective environment risk condition are analyzed based on the historical records, the plan risk index is further obtained, potential risk factors in the project plan stage can be identified, and the accuracy of risk assessment is improved; according to the invention, through carrying out plan risk pointing identification, a risk source can be accurately found, so that a targeted risk response measure is taken; according to the method, the site construction risk condition is analyzed based on the site behavior risk condition and the site objective environment risk condition, various risks possibly faced by the construction site can be comprehensively identified and evaluated, and safe production of the construction site is ensured.
Owner:WANBANG ENG MANAGEMENT CONSULTING CO LTD

Electric spark discharge pulse state identification and control system and method

The invention relates to the technical field of pulse state recognition, in particular to an electric spark discharge pulse state recognition and control system and method.The electric spark discharge pulse state recognition and control method comprises the following steps that gap voltage is obtained, and whether the gap voltage is rising edge voltage or not is judged; comparing the gap voltage which is judged to be the rising edge voltage with a preset threshold voltage; when the gap voltage is the same as any one of the preset threshold voltages, a trigger state identifier is set to be 1, and counting is started from a preset value A1; when any one of counting stopping conditions is met, counting is stopped, the state identifier is reset, and the counting value is returned to the preset value A1; calculating delay time between two time points of counting starting and counting stopping; judging the delay time and outputting a judgment result; and performing control according to the judgment result. According to the invention, based on the pulse voltage threshold and the time characteristic, the short-circuit arc pulse and the arc discharge pulse are rapidly and accurately identified.
Owner:SUZHOU ELECTROMACHINING MASCH TOOL RES INST CO LTD

High-voltage isolation switch redundant mechanism box of extra-high-voltage direct-current converter station

The invention provides an extra-high voltage direct current converter station high-voltage isolation switch redundant mechanism case, which comprises a frame body, a first driving assembly, a second driving assembly and a transmission assembly, and is characterized in that the first driving assembly and the second driving assembly are detachably connected in the frame body; the transmission assembly comprises a driver, a first input shaft, a first clutch, a second input shaft, a second clutch and an output shaft, the driver is fixedly connected into the frame body, the first input shaft is connected to the driver and connected with the output end of the first driving assembly through the first clutch, and the second input shaft is connected to the driver and connected with the output end of the second driving assembly through the second clutch. The second input shaft is connected with the output end of the second driving assembly through the second clutch, the output shaft is connected to the driver, and the end, away from the driver, of the output shaft extends out of the frame body. When the first driving assembly is stuck, the second driving assembly timely replaces the first driving assembly to work, and it is guaranteed that the disconnecting switch can be smoothly switched on and switched off.
Owner:CHANGGAO ELECTRIC GROUP CO LTD +1

Automobile fire extinguisher cover

The present invention relates to a car fire extinguishing cover, comprising a movable frame capable of moving and arranging a car cover therein, the movable frame being a heat-resistant frame, a length-adjustable frame capable of adjusting the length along the length direction of the car, with one end of the movable frame as the head end and the other end as the tail end, a front driving device for driving the movable frame to move and a rear driving device for driving the movable frame to stretch in length are installed at the head end of the movable frame, a fireproof cloth is arranged on the outer surface of the movable frame, a water spraying pipe arranged along the range of the movable frame is arranged on the movable frame, a plurality of water spraying holes are opened on the water spraying pipe for spraying into the movable frame so that water can be sprayed in the circumference of the car in the movable frame, and a dry powder fire extinguisher with its spraying hole arranged downward is installed in the tail end of the movable frame. Compared with the prior art, the mobile frame can cover the car on fire to extinguish the fire in time and effectively, and quickly prevent the fire from spreading, thereby effectively protecting people's property and personal safety.
Owner:FUJIAN ARES HYDROGEN ENERGY TECH CO LTD

Large-caliber low-pressure-loss molten lead bismuth alloy flow regulating valve

The large-caliber low-pressure-loss molten lead bismuth alloy flow regulating valve comprises a valve body and a cover plate, and an electric control gas pumping component and an elastic pressing structure are arranged on the cover plate; the outer side of the square base is rotationally connected with two rotating arms, and a driving piece is arranged on the square base. A control piece for adjusting the position of the sliding block is arranged in the square base, and elastic lock catch structures are arranged on the cover plate and the sliding arm in a matched mode. According to the flow regulating valve, firstly, electric control or manual control of the valve is freely switched, the requirement for accurate, simple and efficient control of the flow regulating valve is met, meanwhile, emergency use is achieved in a manual control mode, and the use reliability of the flow regulating valve is improved; and finally, the opening degree of the valve can be accurately controlled, and meanwhile efficient opening and closing of the valve can be met.
Owner:FUJIAN SHUANGLUNFURUI SPECIAL VALVE CO LTD +1

Rapid ticket entrance visitor flow rate monitoring control system based on data analysis

ActiveCN119150193AExpress Pass EfficiencyEasy to monitor and controlCharacter and pattern recognitionIndividual entry/exit registersControl systemEngineering
The invention discloses a rapid ticket entrance visitor flow monitoring control system based on data analysis, relates to the technical field of visitor flow monitoring, and solves the technical problem that in the prior art, visitor flow trajectory analysis cannot be performed on a ticket checking area, so that deviation of visitor flow monitoring is easily caused by entering and exiting of a moving target in the real-time ticket checking area. The method specifically comprises the following steps of: uniformly marking people flow which is inconsistent with a region queuing direction in a waiting region in a ticket checking region and people flow which is consistent with a people flow interspersing direction but does not pass through the current ticket checking region in an interspersing region as moving targets, and obtaining target entering track data and target exiting track data; and according to the data analysis, carrying out target trajectory influence analysis and monitoring the pedestrian flow.
Owner:BEIJING YUETU TRAVEL NETWORK TECHNOLOGY CO LTD

Self-protection type fireproof cable

The utility model discloses a self-protection type fireproof cable which comprises a cable outer sleeve, a cable inner core arranged inside the cable outer sleeve, a filling sleeve and a self-protection core, the filling sleeve and the self-protection core are embedded between the cable outer sleeve and the cable inner core, and the self-protection core comprises a core sleeve and a flow guide cabinet fixedly connected to one side of the core sleeve. The utility model specifically relates to the technical field of self-protection protection cables. By arranging the core sleeve filled with the 1211 fire extinguishing material for fire extinguishing, on one hand, the core sleeve is heated to expand when the core sleeve is baked after the cable is on fire, and after the sealing ring is grilled and exploded, the 1211 fire extinguishing material in the core sleeve can penetrate through the sealing ring and flow into the inner core ring along the explosion opening and the flow guide cabinet to extinguish fire; the device not only can extinguish fire by itself under the condition that external force is not applied when a fire occurs, but also can control the fire in time by treading the cable to extrude and burst the sealing ring under the conditions that the flame temperature is not high, the fire is emergency and the burst critical point of the sealing ring is not reached, and the timely loss stopping performance is good.
Owner:CHONGQING TAISHAN CABLE CO LTD

Horizontal low-pressure vibration test moving coil balance control method and device

The invention discloses a horizontal low-pressure vibration test moving coil balance control method and device, and the method comprises the steps: obtaining the speed of a moving coil through detecting the displacement of the moving coil, adjusting the opening degree of a vacuum solenoid valve or an air source solenoid valve according to the speed of the moving coil through employing a corresponding linear control function, and enabling the speed of the moving coil to be zero when the moving coil reaches a balance position. And the moving ring can quickly and stably return to the balance position after exceeding the balance position threshold value. According to the horizontal low-pressure vibration test moving coil balance control method, the problem that the moving coil is difficult to accurately reach the balance position is solved, the moving coil can rapidly and stably return to the balance position after exceeding the balance position threshold value, and the control precision in the moving coil position adjusting process is effectively guaranteed.
Owner:SUZHOU DONGLING VIBRATION TEST INSTR

Method and device for monitoring communication gateway of steam turbine control system

The invention relates to a turbine control system communication gateway monitoring method and device. The method comprises the following steps: S10, outputting an initial monitoring signal to an input end of a communication gateway to be monitored based on a set waveform type; wherein the set waveform types comprise square waves and triangular waves; s20, judging whether a feedback monitoring signal fed back by the output end of the communication gateway is obtained or not based on the waveform type of the initial monitoring signal, if yes, executing S30, and if not, executing S40; s30, analyzing and processing the feedback monitoring signal based on the waveform type of the initial monitoring signal to determine whether the communication gateway is abnormal or not according to the analysis and processing result, if yes, executing S40, and if not, returning to S10; and S40, outputting an authority switching signal capable of switching the steam turbine control authority from the DCS system to the TCS system. According to the invention, unexpected shutdown of the steam turbine due to abnormal communication gateway can be avoided.
Owner:SUZHOU NUCLEAR POWER RES INST CO LTD

Powder adding and dissolving tank

The utility model provides a powder adding and dissolving tank. The powder adding and dissolving tank comprises a dissolving tank, a stirring frame is rotationally arranged in the dissolving tank, a feeding port and a feeding port are formed in the top of the dissolving tank, a heating pipe is arranged at the bottom of the dissolving tank, a plurality of cold water pipes are arranged on the side face of the dissolving tank, a water inlet pipe and a discharging pipe are arranged on one side of the dissolving tank, and a water outlet pipe is arranged on the other side of the dissolving tank. The feeding port and the discharging pipe are located on the upper sides and the lower sides of the multiple cold water pipes correspondingly. The powder adding and dissolving tank provided by the utility model has the advantages of being controllable in temperature, relatively uniform in mixing, relatively high in working stability and relatively high in dissolving efficiency.
Owner:HENAN CANGJING ENVIRONMENTAL PROTECTION TECH CO LTD

Large-curvature steel box girder floating jacking continuous operation device

ActiveCN224243692UAvoid pushing and jamming problemsavoid railBridge erection/assemblyBridge materialsArchitectural engineeringDerailment
The utility model discloses a large-curvature steel box girder floating jacking continuous operation device which comprises a hydraulic jacking assembly, a steel rail, a vertical bearing sliding plate trailer connected to the steel rail in a sliding mode, a front jacking device and a rear jacking device, and the front jacking device and the rear jacking device are connected to the two ends of the vertical bearing sliding plate trailer. The top of the vertical bearing sliding plate trailer is used for supporting one end of a steel box girder, and the front pushing device and the rear pushing device are used for alternately driving the vertical bearing sliding plate trailer to slide along a steel rail. The front pushing device and the rear pushing device of the hydraulic pushing device can be used for achieving alternate pushing of the steel box girder, continuous pushing operation is achieved, and the operation efficiency is effectively improved. By means of the deviation early warning device, the pushing position deviation can be mastered in real time, management and control are conducted in time, and deviation and derailing are avoided; the front pushing device and the rear pushing device are connected with the bearing sliding plate trailer in a hinged mode, and the problem that a large-curvature bridge is pushed to clamp a rail is solved.
Owner:江西省德安县水利水电建筑工程公司

A power system peak load demand assessment system

The present invention discloses a power system peak-shaving demand assessment system, comprising a collection layer, a transmission layer, an edge cloud layer and a management platform; the collection layer is used to collect data; the transmission layer is used to transmit the data collected by the collection layer; the edge cloud layer is used to receive and process data, and the processing of data by the edge cloud layer includes preprocessing and analysis processing; the management platform includes a prediction model, an evaluation model and a visualization module; the present invention quickly processes data through the edge cloud layer to reduce the calculation pressure of the management platform; the management platform includes a prediction model, which predicts power generation through the prediction model, and the management platform includes an evaluation model, which evaluates the peak-shaving process through the evaluation model, and the evaluation and prediction can correspond to each other, so as to facilitate timely regulation when the peak-shaving power is insufficient, and maintain the accurate control of the power in the peak-shaving process.
Owner:TENGXU ENERGY CONSTR GRP CO LTD

Automatic water injection fire extinguishing system for energy storage container

The utility model relates to the technical field of fire extinguishing of energy storage containers, in particular to an automatic water injection fire extinguishing system of an energy storage container, which comprises a controller, an alarm device, the energy storage container, a reservoir embedded in the upper surface of the ground and a water replenishing device arranged on the ground, the energy storage container is arranged in the reservoir, a plurality of water inlet valves are arranged on the energy storage container, and a temperature sensor is arranged in the energy storage container; the reservoir and the water replenishing device are filled with flame-retardant fire water, a drain pipe is arranged on the water replenishing device, and a water outlet of the drain pipe is arranged in the reservoir; the temperature sensor is used for detecting temperature data of the energy storage container and feeding back a temperature detection signal to the controller; and the controller controls the opening and closing of the water inlet valve and the alarm device according to the temperature detection signal. By the adoption of the scheme, when a fire happens to the energy storage container, the energy storage container can be effectively controlled, comburent and explosives are prevented from flying out, and the fire hazard range is reduced.
Owner:SICHUAN XINZHI MFG TECH CO LTD

Intelligent maintenance decision method and system for refining and chemical equipment, electronic device and storage medium

ActiveCN117474515BAvoid alarm fatigueachieve early detection
The application discloses a kind of intelligent maintenance decision methods of refining equipment, comprising the following steps: S110 obtains the real-time monitoring data of each measuring point of refining equipment;S120 input the real-time monitoring data obtained into early warning model, determine whether equipment appears early fault warning, if yes, then enter step S130, if no, then return to step S110;S130 obtains equipment health degree evaluation grade and equipment dynamic risk evaluation grade according to health degree evaluation model and dynamic risk evaluation model respectively;And S140 carries out maintenance decision according to the evaluation grade obtained.The application also discloses a kind of intelligent maintenance decision system of refining equipment, electronic equipment and storage medium.The application combines early warning model of equipment based on real-time monitoring data driving, health degree evaluation model based on failure possibility influence factor and data driving, and dynamic risk evaluation model based on health degree real-time evaluation and fault consequence, so that accurate maintenance decision can be made.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Impact reduction electromagnetic unloading control system for pump and impact reduction control method of impact reduction electromagnetic unloading control system

PendingCN121854396ASmall startup shockchange trafficPump testingPipeline systemsControl systemImpact
The invention relates to an impact-reducing electromagnetic unloading control system for a pump and an impact-reducing control method of the impact-reducing electromagnetic unloading control system for the pump, an outlet of an emulsion pump of the impact-reducing electromagnetic unloading control system for the pump is connected with a load through a one-way valve, and an unloading overflow valve and an unloading main valve are arranged between the outlet of the emulsion pump and an inlet of the one-way valve; hydraulic control pilot control oil ways of the unloading overflow valve and the unloading main valve are connected with an oil tank through a first electromagnetic pilot valve and a second electromagnetic pilot valve respectively, and the hydraulic control pilot control oil ways of the unloading overflow valve and the unloading main valve are connected with an outlet of the emulsion pump at the positions before the hydraulic control pilot control oil ways are connected with the first electromagnetic pilot valve or the second electromagnetic pilot valve. A pressure collector in transmission connection with a controller is arranged at an inlet of the load, the controller is in control connection with a circuit on-off device of the first electromagnetic pilot valve and a circuit on-off device of the second electromagnetic pilot valve, and the flow of the unloading main valve is larger than that of the unloading overflow valve. The flow of the system is adjusted through the overflow unloading valve and the unloading main valve, the flow can be rapidly changed, and the cost is low.
Owner:ZHENGZHOU HENGDA INTELLIGENT CONTROL TECHNOLOGY CO LTD

Abnormal alarm method and device, computer storage medium and electronic equipment

The invention relates to the technical field of computers, and provides an exception warning method, an exception warning device, a computer storage medium and electronic equipment, and the exception warning method comprises the steps: obtaining a cost deviation data sequence according to the cost deviation data corresponding to each moment in a plurality of moments of a service; the multiple moments comprise a current moment and N historical moments before the current moment; the cost deviation data is used for representing the deviation between the actual cost and the standard cost of the business at each moment; n is an integer greater than 0; performing stability analysis on the cost deviation data sequence to determine whether the cost deviation data of the service at the current moment belongs to abnormal fluctuation data; and if the cost deviation data of the service at the current moment belongs to the abnormal fluctuation data, outputting abnormal alarm information. According to the method disclosed by the invention, the business cost can be managed and controlled in time.
Owner:BEIJING JINGDONG QIANSHITECHNOLOGY CO LTD

A size batch measuring device and measuring method for steel wire braided hose

ActiveCN118857199BImplement bulk movementRealize locking positionMeasurement devicesVisual inspectionStructural engineering
The present invention discloses a size batch measuring device for steel wire braided rubber hose and a measuring method thereof, comprising a machine body and a transmission mechanism, a visual inspection mechanism, a pipe diameter measuring mechanism, a roundness measuring mechanism and a PLC controller arranged on the machine body. The transmission mechanism is used to simultaneously convey multiple groups of steel wire braided rubber hoses to be tested, the pipe diameter measuring mechanism is used to clamp and position the steel wire braided rubber hoses and measure the inner and outer diameters, the visual inspection mechanism is used to detect the position of the steel wire braided rubber hoses after positioning, the roundness measuring mechanism is used to measure the roundness of the pipe wall of the steel wire braided rubber hose, and the transmission mechanism, the visual inspection mechanism and the pipe diameter measuring mechanism are all controlled by the PLC controller. The present invention realizes batch and multi-size measurement of steel wire braided rubber hoses through one device, the equipment is integrated, and multiple size measurement quality inspections are carried out successively. The operation during measurement is highly intelligent, which is convenient for the staff to timely control the equipment operation status and product measurement results.
Owner:HUAINAN HUAGONG ENG HOSE CO LTD

Electrical cabinet for electric power engineering

The utility model relates to the technical field of electric power engineering, in particular to an electrical cabinet for electric power engineering, which comprises a fire extinguishing component group arranged at the bottom of an electrical cabinet component group, the fire extinguishing component group comprises a top box body, a rotary cover door is arranged on one side of the top box body, and a grab handle is arranged on the side surface of the rotary cover door. A hanging rod piece is arranged in the top box body, a transverse frame is arranged on one side of the hanging rod piece, and a suspension type dry powder fire extinguisher is arranged on one side of the transverse frame. According to the utility model, when the temperature reaches 70 DEG C, the suspension type dry powder fire extinguisher is triggered to be started, and the suspension type dry powder fire extinguisher sprays dry powder to electronic components in the cabinet body, so that fire behavior on the electronic components can be inhibited in time, the fire behavior can be rapidly controlled, and the situation that the fire spreads to the surrounding area to cause greater economic loss is avoided.
Owner:BAODING CHIMU ELECTRIC POWER TECHNOLOGY CO LTD

Electric two-wheeled vehicle up-down ramp safety pre-warning system based on anti-slip function

The invention relates to the field of electric vehicles, aims to solve the problem of potential safety hazards caused by limited braking and power performance of an electric two-wheeled vehicle, and particularly relates to an electric two-wheeled vehicle up-down ramp safety pre-warning system based on an anti-slip function. According to the invention, collection is carried out according to the current driving speed, the acceleration, the vehicle load and the road slope condition of the electric two-wheeled vehicle, analysis and calculation are carried out through the acceleration and the slope angle, the vehicle load is obtained, the carrying number of vehicle sensor hardware is reduced, and the manufacturing cost of the vehicle is reduced; the driving risk warning of the electric two-wheeled vehicle is generated according to the collected data analysis result, a driver is reminded according to the driving risk warning, the driver is assisted in judging the driving risk of the vehicle, and therefore the vehicle is controlled in time, accidents are avoided, and when the driving risk warning is generated, the driving risk warning of the electric two-wheeled vehicle is avoided. According to different driving risk warnings, automatic intelligent control is carried out through a preset algorithm, and driving safety is guaranteed.
Owner:TAILG SCIENCE AND TECHNOLOGY

Fire extinguishing system for electric bicycle charging shed

The utility model discloses a fire extinguishing system for an electric bicycle charging shed, which belongs to the technical field of fire fighting and comprises a main machine, a liquid storage tank and a spraying device, the main machine is connected with the liquid storage tank and the spraying device and can control the liquid storage tank to be communicated with the spraying device so as to enable a liquid medium stored in the liquid storage tank to be sprayed out of the spraying device. The spraying device is provided with at least one spraying area, each spraying area is provided with a flame detector, and each flame detector comprises an infrared pyroelectric sensor and a solar blind ultraviolet photoelectric sensor. The fire extinguishing system of the electric bicycle charging shed solves the problem that a detector in an outdoor electric bicycle charging shed is influenced by environmental factors and cannot accurately and timely detect fire disasters, flame and interference sources can be accurately distinguished, and the effect of timely prevention and control is achieved.
Owner:谭铭彦

Low-temperature ammoniation kettle for producing glycine

The utility model relates to a low-temperature ammoniation kettle for producing glycine, which is characterized in that the side end of a kettle body is connected with a liquid level meter, an interlayer is arranged in the outer wall, a discharging pipe is arranged at the bottom, and a radar liquid level meter, a liquid ammonia feeding pipe, an on-line component analyzer, an on-line thermometer, an on-line PH meter, an emptying pipe and a chlorination liquid feeding pipe are sequentially arranged at the top; two sides of the interlayer are respectively connected with a cooling water inlet pipe and a cooling water outlet pipe, the lower end of the liquid ammonia feeding pipe is positioned at the bottom of the kettle body and is connected with a uniform distribution disc, and the emptying pipe is externally connected with a tail gas treatment system; the upper end of the stirring shaft is externally connected with a stirring motor, and the lower end of the stirring shaft is connected with a stirring paddle; the cooling coil pipe is spirally arranged inside the kettle body, the liquid inlet end of the cooling coil pipe is connected with a frozen saline water inlet pipe, the liquid outlet end of the cooling coil pipe is connected with a frozen saline water outlet pipe, and the frozen saline water inlet pipe, the cooling water inlet pipe, the liquid ammonia feeding pipe, the discharging pipe and the chlorination liquid feeding pipe are all provided with control valves and flow meters; the device has the advantages of being good in cooling effect and safe and accurate in detection.
Owner:HENAN HDF CHEM CO LTD

Heating and heat preservation device for anaerobic fermentation equipment

The utility model relates to the field of anaerobic fermentation equipment, in particular to a heating and heat preservation device for anaerobic fermentation equipment, which comprises a fermentation tank uniformly divided into a plurality of control areas, a water inlet pipe unit and a water return pipe unit are arranged at the bottom of the fermentation tank; the water inlet pipe unit is connected with a plurality of first water inlet branch pipes; the water inlet pipe unit is connected with a front-section heating electric knife gate valve and a middle-section heating electric knife gate valve in a fourth control area; the water inlet pipe unit is connected with a rear-section heating electric knife gate valve at the eighth control area; the water inlet pipe is connected with a plurality of fifth water inlet branch pipes which are uniformly distributed in the ninth control area and the tenth control area at the tail end of the fermentation tank; the first material level meter and the second material level meter are used for monitoring the liquid level in the fermentation tank; the first level gage and the second level gage are in signal connection with a controller, and the controller is in signal connection with the front-section heating electric knife gate valve, the middle-section heating electric knife gate valve and the rear-section heating electric knife gate valve. According to the utility model, the timeliness of fermentation temperature control can be maintained, and the fermentation effect is improved.
Owner:CHONGQING CHANGZHENG HEAVY IND

Prestress jacking device in foundation pit and prestress applying method

The invention discloses a prestress jacking device in a foundation pit and a prestress applying method. The prestress jacking device comprises a loading base (11) and two diagonal bracing mechanisms (12), each diagonal bracing mechanism is provided with a top bracing output end, the two diagonal bracing mechanisms are respectively an upper diagonal bracing mechanism (128) and a lower diagonal bracing mechanism (129), and the lower diagonal bracing mechanism obliquely downwards extends out of the top bracing output end to be supported at the position, close to the pit bottom, of the enclosure and applies top bracing prestress to the position, close to the pit bottom, of the enclosure; the upper inclined strut mechanism obliquely and upwards extends out of the top support output end to be supported on the upper portion of the enclosure close to the bottom support. The prestress applying method comprises the steps that after construction of the near-pit-bottom horizontal support is completed, the prestress jacking and supporting device (1) is installed on the basis of the near-pit-bottom horizontal support, installation is completed before subsequent digging operation of a lower layer, and then jacking and supporting prestress is applied to the enclosure structure (2) through the prestress jacking and supporting device. And the part, close to the pit bottom, of the enclosure can obtain the top bracing prestress at the first time.
Owner:SHANGHAI GEOTECHN INVESTIGATIONS & DESIGN INST

A performance detection system for hydrophilic aluminum foil used for air conditioner heat dissipation

PendingCN122283079ABreaking through data limitationsComprehensive basic data supportData acquisitionEngineering
This invention relates to the field of aluminum foil performance testing technology, and discloses a performance testing system for hydrophilic aluminum foil used in air conditioning heat dissipation, including a data acquisition module and an intelligent testing module. The system acquires stamping management data, operating condition simulation data, and application testing data of all aluminum foil samples through the data acquisition module, and classifies them into datasets. The intelligent testing module evaluates the distortion degree of each aluminum foil sample after stamping, generates a distortion index, and provides accurate basis for service reliability. The multi-dimensional testing has high accuracy. The intelligent testing module evaluates the performance quality of each aluminum foil sample under simulated operating conditions, generates a performance index, eliminates the limitations of single indicators, and achieves comprehensive characterization of core properties such as hydrophilicity and corrosion resistance. It analyzes the uniformity of application performance of each aluminum foil sample, generates an application index, accurately quantifies the uniformity of coating thickness and roughness, sets fixed thresholds, and outputs corresponding evaluation and management suggestions, demonstrating strong adaptability for hierarchical management.
Owner:JIANGSU ALCHA ALUMINUM CO LTD

Deep displacement monitoring equipment

The utility model belongs to the field of monitoring equipment, particularly relates to deep displacement monitoring equipment, and aims to solve the problems that after a rainproof cover is jacked up, a large exposed space is reserved between the rainproof cover and an equipment body in the prior art, sundries such as fallen leaves cannot be prevented from falling into the rainproof cover, heat dissipation holes are blocked by the sundries after long-term use, and the heat dissipation of the equipment is influenced. According to the technical scheme, the device comprises a device body, the top of the device body is open, a top cover is fixedly arranged at the top end of the device body, two symmetrically-arranged heat dissipation openings are formed in the top of the top cover, filter plates are fixedly arranged in the heat dissipation openings, and two pairs of guide plates are fixedly arranged on the surface of the top cover. The rainproof cover is arranged on the top cover, sundries such as fallen leaves can be prevented from falling between the rainproof cover and the top cover, the filtering plate is cleaned, the heat dissipation effect is ensured, rainwater can be detected, the equipment can control the rainproof cover in time, the inner space can be closed when the rainproof cover is taken back, and water vapor is prevented from entering the equipment.
Owner:MINISTRY OF GEOLOGY & MINERAL RESOURCES CHENGDU INST OF GEOLOGY & MINERAL RESOURCES

Double-block type sleeper demolding table, sleeper demolding system and prefabricated part production line

The utility model discloses a double-block type sleeper demolding table, a demolding system and a prefabricated part production line, the double-block type sleeper demolding table comprises mold bearing devices, a sleeper bearing cross beam, a sleeper detection unit and a control unit, the two mold bearing devices are arranged side by side, and at least one mold bearing device is provided with a vibration motor; the two sleeper bearing cross beams are arranged between the two mold bearing devices side by side; at least one sleeper bearing cross beam is provided with a sleeper detection unit, and the sleeper detection unit is configured to detect whether the sleeper is separated from the sleeper mold or not; the vibration motor is in signal connection with the control unit and is controlled by the control unit; the sleeper detection unit is in signal connection with the control unit; and when the sleeper detection unit detects that the sleeper is separated from the mold, the control unit controls the vibration motor to stop working. According to the double-block type sleeper demolding table, product cracks in the demolding process of the double-block type sleeper can be reduced, and the qualified rate of products is increased.
Owner:BEIJING GOOD FORTUNE INNOVATIVE INTELLIGENCE TECH CO LTD