52results about How to "Real-time recording" patented technology

The invention discloses a bridge steel structure deflection detection device and detection method, and relates to the technical field of deflection detection. Comprising the following steps: selecting a plurality of specified points on a bridge steel structure, and measuring and recording inclination angle values of the points by using an inclinometer; based on the collected multiple dip angle values, a least square method is adopted to fit a dip angle function f (x), and x is the transverse or longitudinal position of the bridge; according to a direct integration algorithm, integration is carried out on the inclination angle function f (x) in the interval (a, b) where the to-be-measured point is located, and a deflection value I of the to-be-measured point is obtained. By using the inclinometer and the least square fitting, the deflection of the bridge structure can be accurately calculated, the data can be recorded and analyzed in real time, potential structure problems can be timely found, the deflection condition of each point can be comprehensively considered through the integration algorithm, more comprehensive structure health assessment is provided, analysis is performed by using the inclinometer data, and the accuracy of the structure health assessment is improved. Dependence on traditional physical measurement is reduced, and reliability and efficiency of detection are improved.

The invention discloses a network behavior analysis method based on big data, and relates to the technical field of big data processing. The method comprises the following steps: acquiring user behavior data by using a server, identifying a user, and generating a useful track segment according to user access; performing frequent sequence mining to obtain a user frequent behavior sequence, taking the frequent behavior sequence as a user feature, distinguishing an abnormal behavior and a normal behavior of a user, abstracting obtained abnormal behavior data into a label, constructing a user portrait model, and establishing an abnormal behavior mode feature library; and matching the to-be-detected user behavior sequence with the abnormal behavior pattern feature library, judging whether the to-be-detected user is an abnormal user according to whether the matching is successful, and extracting user behavior data abnormal features according to the judgment result. According to the method, judgment and extraction of abnormal characteristics of the user behavior data are completed, the accuracy of user behavior data anomaly detection is improved, and the detection accuracy is graded.

The invention discloses a natural gas hydrate formation evolution simulation device and a control method thereof, and relates to the technical field of geophysics. The simulation device comprises a disconnection control anticlinal stratum simulation system, a variable-capacity low-temperature water bath circulation system, a hydrate evolution dynamic monitoring system, a data transmission control system, a hydraulic pressure water tank module and a gas source supply module. By means of the simulation device, accurate simulation and real-time monitoring and recording of the dynamic evolution process of the hydrate under the control of structural factors, especially under different space-time configuration combinations of the trap overflow point position and the stability domain are achieved; according to the invention, the limitation of the existing simulation technology on structural design and function realization is effectively overcome, and a simulation device and technical support are provided for deepening reservoir forming characteristics and enrichment rules of the structure control type hydrate.

The invention relates to a test method and device, a debugger, equipment, a storage medium and a program product, and relates to the technical field of OTA. The method is applied to a test system, and the test system comprises a test device and a debugger. The method comprises the steps that the testing device sends a debugging instruction to the debugger; in response to the debugging instruction, the debugger adjusts internal variables of the OTA upgrading data packet to obtain an OTA upgrading program packet corresponding to the at least one simulation test scene, and sends the OTA upgrading program packet corresponding to the at least one simulation test scene to the test device; for each simulation test scene, the test device executes OTA upgrade operation on the target controller based on the OTA upgrade data packet corresponding to the simulation test scene to obtain a test result corresponding to the simulation test scene; the test result is used for reflecting whether the OTA upgrading operation of the target controller in the simulation test scene is abnormal or not. Therefore, the OTA upgrading test can be carried out by simulating different use scenes and conditions, and the accuracy of the OTA test is improved.

The invention provides a filter stick detecting and removing device and method. A workbench is provided with an installation part, a detection roller is arranged on the installation part, a plurality of detection material grooves are evenly formed in the circumferential direction of the detection roller, a negative pressure adsorption mechanism is arranged on the workbench, the output end of the negative pressure adsorption mechanism is communicated with the detection material grooves, and a positive pressure removing mechanism is arranged on the workbench. The visual detection mechanism is arranged at one end of the detection roller, the timing mechanism is connected with the detection roller, and the control box is electrically connected with the positive pressure removing mechanism, the visual detection mechanism and the timing mechanism. According to the invention, through the arrangement of the detection roller and the negative pressure adsorption mechanism, a to-be-detected material can be fixed on the detection roller and sequentially passes through the visual detection mechanism along with the rotation of the detection roller, so that the detection of the visual detection mechanism is facilitated; according to the filter stick detecting and removing device, the positions of unqualified filter sticks can be recorded in real time, when the unqualified filter sticks reach the removing station, the unqualified filter sticks are removed immediately, and the production efficiency is greatly improved.

The invention discloses a bird bathtub which comprises a bathtub body, an inserting sleeve is arranged on the edge of the bathtub body, a shooting assembly is detachably connected into the inserting sleeve, and the shooting end of the shooting assembly faces the bathtub body; an accessory groove is formed in the center of the basin body, a standing plate is arranged in the basin body, and the standing plate is arranged around the accessory groove. The bird bath has the advantages of being simple in structure, diversified in function and convenient to disassemble and assemble, action pictures of birds in the bird bath can be observed and recorded in real time, and vivid and interesting picture experience is provided for users.

The utility model relates to electronic lock field discloses a novel theftproof electronic lock, including rotary knob, transmission part, lock tongue, electric push rod, micro -switch, torsional spring and battery group, rotary knob connects and drives transmission part rotation, transmission part includes first push part and second push part, first push part and lock tongue rotation connection and push lock tongue movement and unlock, second push part is suitable for and micro -switch rotation and contacts, to trigger micro -switch passes out to outside terminal equipment delivery has opened the lock signal, realizes remote monitoring, increases security, battery group connects micro -switch to power supply, torsional spring one end torsional arm is suitable for and contacts first push part to provide the reset force, and electric push rod is used for pushing transmission part rotation and unlocking. Rotary knob and first push part are responsible for mechanical unlocking action, and second push part is responsible for signal triggering. Electric push rod is wirelessly connected or limitedly connected with the smart home system through the control device, so that the user can control the locking or unlocking through the terminal system such as mobile phone.

The utility model provides a waste gas sampling device, which belongs to the technical field of waste gas sampling, and comprises a workbench, a dual detection mechanism is arranged on the surface of the workbench, the dual detection mechanism comprises a detection box, a waste gas sensor and a purification effect sensor, the detection box is fixedly arranged on the surface of the workbench, and the waste gas sensor is arranged on the detection box. The waste gas sensor is fixedly mounted at the upper part of the interior of the detection box, and the purification effect sensor is fixedly mounted at the lower part of the interior of the detection box. According to the waste gas sampling device, by arranging the dual detection mechanisms, the function of detecting waste gas before and after purification in the using process of the device can be effectively achieved, the effect of the purification mechanism can be visually evaluated by comparing the change of the components and the concentration of the waste gas before and after purification, the environmental protection requirement is met, and the components and the concentration of the waste gas are continuously monitored; purification equipment or purification parameters can be conveniently found and adjusted in time, so that the optimal treatment effect is achieved, and waste gas data before and after purification are recorded in real time.

The present invention discloses a welding processing device for battery module processing and an operation method thereof, which relates to the technical field of battery module welding, and solves the problem that the position of the battery module pole and bus is difficult to calibrate when welding, and it is easy to deviate and shake during the welding process, which affects the conductive performance of the battery module after welding. At the same time, it solves the problem that the contact part between the pole and the bus is easy to produce empty packs when welding the battery module. The welding processing device for battery module processing includes an equipment box group, a battery conveying and lifting assembly, a laser cleaning welding mechanism and a control panel. In the present invention, the telescopic movement of the down-pressing part and the annular body can squeeze the bus on the one hand, and on the other hand, the hollow part inside the annular body is located on the outside of the pole and fits the edge of the pole, ensuring that the laser beam is more concentrated during the laser welding process, avoiding the generation of empty packs in the laser welding parts of the two, and further improving the conductive performance of the battery module.

The utility model provides a kind of 8-way CAN data recorder, including male head, CAN circuit, secondary MCU circuit, main MCU circuit, TF card storage circuit, data transmission circuit, 4G module and power supply voltage stabilizing circuit.Power supply voltage stabilizing circuit is used to power supply CAN circuit, secondary MCU circuit, main MCU circuit, TF card storage circuit, data transmission circuit and 4G module.The utility model is connected by setting secondary MCU circuit and main MCU circuit, the output end of two MCU chips of the secondary MCU circuit with 6-way CAN circuit, the output end of one MCU chip of the main MCU circuit with 2-way CAN circuit is connected;And the pin of the corresponding MCU chip STM32G473CBT6 of secondary MCU circuit is connected with the pin of the corresponding MCU chip STM32H723VGT60 of main MCU circuit;Therefore, the utility model uses the interconnection of 3 lower-priced MCU chips to realize the real-time recording of 8-way CAN bus data.

This invention discloses a device and method for evaluating the proppant-carrying performance of fracturing fluid with continuously adjustable proppant concentration, relating to the field of oil and gas field production enhancement. The device includes a reactor body. The reactor body is equipped with a stirring assembly, a proppant-adding assembly, a heating assembly, and a visualization window. The proppant-adding assembly achieves quantitative and batch-wise addition of proppant within the high-pressure reactor through a series of upper valves, a proppant-to-be-added section, and a lower valve. The method includes: applying experimental temperature and pressure conditions, initiating stirring to simulate dynamic flow, continuously adding proppant in batches through the proppant-adding assembly, monitoring the proppant status in real time using a vision system, and recording and analyzing data to obtain a continuous proppant-carrying performance curve and a limit proppant-carrying value. This invention solves the problem of existing technologies being unable to conduct continuous gradient testing of proppant concentration under high-temperature and high-pressure dynamic conditions, and can obtain complete proppant-carrying performance data of fracturing fluid from low concentration to limit concentration in one go, with evaluation results closer to actual downhole operating conditions.

The present invention discloses a geological survey method for tunnel excavation using an open TBM method, and relates to the technical field of tunnel and underground engineering geological survey. The survey area on the step is determined, and an on-site survey is conducted to obtain the characteristics of the exposed surrounding rock; the damaged part of the exposed surrounding rock is photographed and recorded and named; as the open TBM is excavated, the area on the step is converted into the area under the step, the survey area under the step is determined, and an on-site survey is conducted to obtain the characteristics of the exposed surrounding rock; a geological sketch is drawn, and the characteristics of the exposed surrounding rock surveyed are recorded in the geological sketch; the damaged part of the exposed surrounding rock is photographed and recorded by video; and a geological distribution map is drawn and archived on a computer according to the geological sketch. The present invention can quickly survey the geological conditions of the excavated tunnel, and systematically count and record the characteristics of the exposed surrounding rock within the survey range, and has the advantages of timely recording and low operation risk.

The invention discloses an automatic timing and flow measuring barrel. Comprising a barrel body, an automatic timing device and a water level sensor, the automatic timing device is arranged on the outer side wall of the upper portion of the barrel body and comprises an infrared emitter, a reflecting plate and a timer, the infrared emitter is arranged on the outer side wall of one side of the upper portion of the barrel body, and the reflecting plate is arranged on the side wall of the other side of the upper portion of the barrel body in the mode of directly facing the infrared emitter; the water level sensor is arranged on the inner side wall of the lower part of the barrel and is in contact connection with the inner bottom surface of the barrel. Timing and liquid measuring functions are combined, convenience of measuring liquid flow by a single person is realized, working efficiency is improved, personal errors are reduced, reliability and accuracy of data are improved, a data storage function is provided, and subsequent data analysis is facilitated.

The invention discloses a learning method, a cake making machine, a storage medium and a computer program product, and relates to the technical field of food processing.The cake making learning method comprises the steps that water with the preset weight and flour with the preset weight are made into dough; obtaining the humidity of the dough; when the humidity of the dough is smaller than / larger than a preset humidity range, reducing / increasing flour with fixed weight on the basis of flour with original weight, making dough with water with preset weight, and detecting the humidity of the dough again; when the humidity of the dough is within a preset humidity range, determining a corresponding water distribution ratio according to the weight of the flour and the weight of the water required for preparing the dough, and recording the water distribution ratio and the type of the flour in the same formula; the invention aims to solve the technical problem that the production experience is difficult to inherit due to the lack of detailed data records when the dough with proper humidity is manually made.

The present application provides a brown soil planting management method driven by climate data, which relates to the field of agricultural information technology. By sampling and detecting the distribution area of ​​brown soil, information on the proportion of brown soil components, brown soil pH value, soil particle ratio and soil type sub-class ratio are obtained; the interactive user end receives crop variety information and crop growth stage; through the climate data association component, target climate data is configured for the crop variety information and crop growth stage based on the sampling and detection information; climate monitoring data is collected and compared with the target climate data to obtain the climate data deviation index; when the climate data deviation index is greater than or equal to the deviation index threshold, a climate data interference signal is generated and sent to the user end. The present application solves the technical problem that the traditional method lacks quantitative climate environment assessment standards, resulting in the inability to achieve precise and batch brown soil planting management, and improves the scientificity, accuracy and universality of brown soil planting management.

The utility model discloses a die cooler with an intermittent cooling function, which comprises a die, a water pump, a cooling water tank and a heat exchanger, the cooling water tank is connected with the heat exchanger through a cooling water outlet pipe, the heat exchanger is connected with the die through a cooling water inlet pipe, the die is connected with the cooling water tank through a cooling water return pipe, and the water pump is arranged on the cooling water outlet pipe; a plurality of runners are arranged in the mold, and water inlets and water outlets of the runners are provided with water inlet branch pipes and water outlet branch pipes respectively; a flow switch module composed of multiple flow switches connected in parallel is arranged between the mold and the heat exchanger, water inlets of the multiple flow switches are connected with a cooling water inlet pipe, water outlets of the multiple flow switches are connected with water inlet branch pipes, and the end, close to the mold, of a cooling water return pipe is connected with a water outlet branch pipe. According to the utility model, the cooling water flow of the corresponding flow channel can be automatically adjusted according to the set temperature range value of each flow channel so as to effectively maintain the heat balance of the mold temperature, and the data (flow and temperature) of each mold can be recorded, stored and called in real time.

The utility model discloses an anti-pulling wire safety device with a locking device, which comprises a cotton cloth bandage, a magic tape hook surface is fixed on the outer side of the front end of the cotton cloth bandage, and a magic tape rough surface is fixed on the inner side of the rear end of the cotton cloth bandage; elastic rings are arranged on the outer sides of the hook surfaces of the magic tapes and the outer sides of the cotton cloth bandages. According to the anti-pull-out safety device provided with the lock catch device, an adjustable binding lock catch structure is adopted, the whole device can be connected with a patient and an accompanying person, real-time linkage is carried out through trigger conduction during seizure of the patient, a connecting device is driven by the action during seizure of the patient, and the anti-pull-out safety device with the lock catch device is achieved. The accompanying family members beside are automatically and timely triggered, so that the video system can timely and accurately record a series of important symptomatic processes such as symptom sources, symptom groups and occurrence and progress of the symptoms during attack; the method has important significance in the aspects of determining epileptic seizure types, discharge parts and forms, determining epileptic lesions, determining diagnosis, guiding medication, performing preoperative evaluation and the like.

The invention discloses a vitreous body sample intraoperative sampler which comprises a storage tube, two axial ends of the storage tube are respectively connected with a first connecting hose and a second connecting hose, the end part of the first connecting hose is provided with a first joint, and the end part of the second connecting hose is provided with a second joint. When a sample stored in the storage tube needs to be transferred, the first connector and the second connector are in sealed butt joint, and the first connector and the second connector can be matched with an existing vitreous body cutting device when the vitreous body sample is collected. The sampler is convenient for a surgeon to quickly complete the connection and disassembly operation of the sampler in a nervous operation process, and the vitreous body sample can be ensured not to be polluted in the transportation process because the first joint and the second joint are in sealed butt joint in the transportation process.

The utility model relates to water body sampling device technical field discloses a sampling device for water ecological monitoring, including positioning stand, the top end fixedly connected with connecting plate respectively of positioning stand, utilize connecting plate and unmanned plane connection, the bottom end all around fixedly connected with the supporting leg of outward bending of positioning stand, the top end middle part symmetry fixedly connected with motor and positioning plate of positioning stand, and the motor output end place is connected with winding mechanism, and the other end of winding mechanism is connected with positioning plate, and the bottom of winding mechanism is connected with sampling cylinder. The utility model discloses through unmanned plane transportation, can easily reach the core water area such as lake heart, reservoir heart far from the shore, breaks through the traditional manual sampling in the space limit. Sampling device obtains water sample through the way of silent sinking and remote control trigger closing, effectively avoids the disturbance of bottom mud and water body caused by personnel, ship approach or equipment operation, greatly guarantees the authenticity and representativeness of water sample, solves the problem that sample is easy turbid distortion.

The invention relates to the technical field of data processing, in particular to a coating laboratory detection data measurement method and system based on voice recognition, and the method comprises the steps: obtaining laboratory voice data, inputting the laboratory voice data into a preset language recognition model, and obtaining a voice recognition result; obtaining text data; performing text cleaning processing on the text data to obtain cleaned text data, and extracting text entity features based on the cleaned text data; obtaining a corresponding specific experiment value according to the text entity feature, and obtaining a coating experiment result based on the specific experiment value; and inputting the text entity characteristics, the specific experiment numerical value and the coating experiment result into a preset experiment report template to obtain a coating experiment record report. The device has the effects of facilitating real-time recording of the paint experiment data and improving the integrity and accuracy of the paint experiment data.

The invention relates to an aging integrated circuit thermal analysis method, an aging test system and device, a storage medium and a program product. The method comprises the following steps: controlling a special test board to load an aging test program to a target aging integrated circuit sample to be tested; starting the target aging integrated circuit sample loaded with the program, and enabling the target aging integrated circuit sample to work in an aging environment; controlling an infrared thermal imager to perform infrared image acquisition on the surface of the target aging integrated circuit sample in the aging environment to obtain a surface heat distribution image of the target aging integrated circuit sample; and performing thermal analysis on the surface thermal distribution image to obtain a thermal analysis result. According to the method, the temperature change of the integrated circuit in the aging process is recorded in real time, so that the accuracy of monitoring the temperature of the integrated circuit is improved.

The invention discloses a pantograph overhauling assembly line and an overhauling method. The pantograph overhauling assembly line comprises a storage area, a disassembling and overhauling area and a paint repairing area which are arranged on one side of a transfer channel, and a cleaning and paint removing area, an assembling and disassembling area and a testing and flaw detecting area which are arranged on the other side of the transfer channel. The AGV transfer trolley runs in the transfer channel; a butt joint table is arranged on the transfer channel; a first mechanical arm, a second mechanical arm, a small part overhaul stand and a small part rotary warehouse separated warehouse are arranged in the disassembly and overhaul area; a third mechanical arm, a large component overhaul stand and a large component rotary warehouse position are arranged in the assembling and disassembling area; the first mechanical arm, the second mechanical arm and the third mechanical arm work cooperatively to decompose the pantograph; an intelligent paint removal cleaning machine is arranged in the cleaning paint removal area; an intelligent paint make-up machine is arranged in the paint make-up area; carrying out magnetic powder inspection operation and performance test in the test and inspection area; the system further comprises a master controller. The assembly line is compact in station layout and high in operation automation degree.

The application belongs to the field of integrated debugging of intelligent glasses, and relates to an integrated debugging method and system of intelligent glasses. The method aims to solve the problems of scattered tools, low efficiency and difficult multi-model adaptation of the existing debugging mode. The method adapts multiple machine models by loading configuration files, displays the digital input (sensor signal) and output (solenoid valve control) states in a unified graphical interface in real time, and simultaneously establishes a communication link with the test station control board and an ADB communication link with the glasses body. The tool has a built-in standardized diagnosis process, which automatically determines the IO initial state, IO working state, motor, program-controlled power supply, temperature and ADB communication in sequence, and prompts repair information when an exception occurs. The method supports multi-station free switching and custom layout of function buttons, realizes integrated integration of hardware IO control, serial port and ADB communication, significantly improves the production line debugging efficiency, realizes "one machine for multiple purposes", and effectively reduces the skill threshold and misjudgment probability of the operator.

The present application relates to the technical field of agricultural product supply chain, and specifically relates to a kind of agricultural product visual traceability method based on batch number and vehicle-mounted image recognition linkage, comprising the following steps: S1, batch loading and data binding: after loading, generate a unique batch number, generate a data package;S2, dynamic transport image association: image and environmental data are collected in transport, identify abnormalities and associate batch number, form transport data chain;S3, distribution link batch code activation: generate a two-dimensional code containing image entry and paste it on the vehicle or container;S4, visual traceability data integration: call image and timeline data by scanning code, generate loading and transport process atlas;S5, consumer image verification: generate heat map and judge consistency level by comparing with historical image.The present application realizes image visual traceability and consistency intelligent verification of agricultural products from loading to consumption whole process, and improves the transparency of the process and the credibility of terminal identification.

The invention relates to the technical field of industrial automation, in particular to a wood floor production process tracing method, which comprises the steps that a manufacturing execution system generates a process two-dimensional code for each work order based on a production order and a corresponding work order sent by an enterprise resource planning system, the two-dimensional code stores a production order, a work order identifier and a preset process parameter in the form of an encrypted character string; the manufacturing execution system receives the process two-dimensional code scanned by the terminal equipment and verifies the process two-dimensional code successfully, issues an instruction to control the production equipment to execute the process according to a preset process, receives production data after the process is completed, and stores the production data in association with a work order; and after the final process data of the production order is received, the manufacturing execution system controls the code spraying equipment to set a board back spraying code for each wood floor, and binds the board back spraying code with the corresponding process two-dimensional code and the production data, so that the access terminal scans the board back spraying code and obtains the production data of each process after secret key verification.

The utility model provides an animal sneezing stress urination dynamic detection device and system.The animal sneezing stress urination dynamic detection device comprises a binding assembly, filter paper and a camera shooting and recording assembly, the binding assembly is used for fixing and limiting an experimental mouse, the filter paper is laid at the bottom of the binding assembly and used for collecting urine spots of the experimental mouse, and the camera shooting and recording assembly is arranged on the binding assembly; the camera shooting and recording assembly is arranged on one side of the binding assembly and used for recording the experimental reaction of the experimental mouse. The whole process of sneezing and urine leakage of the laboratory mouse can be dynamically recorded in real time, the occurrence time of urine leakage and the process of capturing urine spots received by the filter paper are accurately recorded, the operation process is simple and rapid, the precision, efficiency and reliability of sneezing stress urination detection are remarkably improved, and the application prospect is wide. And more accurate and efficient technical support is provided for related biomedical research.

The present invention relates to an RFID fixed asset inventory system and method based on the Internet of Things, and relates to the technical field of asset inventory. The system comprises: an RFID module, comprising a plurality of RFID readers and a plurality of RFID tags arranged in a fixed asset inventory area, wherein each fixed asset is provided with an RFID tag, and the RFID tag is used to upload a heartbeat data packet to an RFID reader corresponding to a reading sub-area where the fixed asset is located; a status acquisition module, comprising a plurality of sound monitoring devices and a plurality of status acquisition devices; a status determination module, comprising a plurality of edge determination devices, wherein the plurality of edge determination devices are used to determine the real-time status of the fixed assets based on the sound information collected by the plurality of sound monitoring devices and the status information of the fixed assets collected by the plurality of status acquisition devices; and a digital twin module, which is used to establish a digital twin model of a fixed asset inventory area, and based on the real-time status of the fixed assets, update the digital twin model in real time, and has the advantage of improving the inventory quality of the fixed assets.

The invention discloses a static pressure penetration and horizontal loading integrated test device, and relates to the technical field of mechanical test equipment, the static pressure penetration and horizontal loading integrated test device comprises an experiment table, a transmission mechanism is arranged in the experiment table, the transmission mechanism comprises a first servo motor arranged in the experiment table, and the output end of the first servo motor is provided with a threaded rod; the side, away from the first servo motor, of the threaded rod is in threaded connection with a moving block, a model box is fixedly connected to the upper portion of the moving block, the transmission mechanism operates to enable the model box to be converted into a moving state from a static state, and a static pressure penetration mechanism is arranged above the experiment table and comprises a first frame arranged above the experiment table. The static pressure penetration mechanism and the horizontal loading mechanism are integrated on the same experiment table, and the transmission mechanism is arranged to realize automatic movement of the model box, so that the test efficiency is remarkably improved, and a worker does not need to manually move the model box, so that the waiting time is shortened, and the test process is smoother and more efficient.

The present application relates to a tool device, a recording system, a surgical robot system and a data recording method. The tool device includes a tool component and a storage component. The tool component is configured to have an interface. The storage component is arranged on the tool component. When the tool component is connected to a target device, the storage component is electrically connected to the target device through the interface. The storage component is configured to record the usage information of the tool component. The tool device of the present application records the usage information of the tool component by arranging a storage component on the tool component, thereby improving the accuracy and efficiency of the usage information recording.

The utility model discloses an engine intake manifold flow test bench, and belongs to the technical field of engine test equipment. The frequency converter is electrically connected with the fan, the fan is communicated with the pressure stabilizing box, the pressure stabilizing box is provided with a butterfly valve, the pressure stabilizing box is communicated with the pressure stabilizing barrel through an air inlet channel, the air inlet channel is provided with an air inlet flow meter and an air inlet flow differential pressure sensor, the pressure stabilizing barrel is communicated with the momentum meter, and the momentum meter penetrates through the test bed table to be communicated with the simulation cylinder sleeve. The test bed table is connected with the simulation cylinder sleeve and provided with a valve lift adjusting mechanism, the valve lift adjusting mechanism is provided with a push rod, and the push rod is provided with a displacement sensor and driven by a stepping motor. Through technical innovation and system integration, a full-process solution from test design, data acquisition to performance evaluation is constructed, powerful technical support is provided for research and development, optimization and quality control of the engine intake manifold, and the engine intake manifold test system has profound significance in promoting technical progress and product upgrading of the engine industry.