32results about How to "Real-time monitoring of air pressure" patented technology

The invention provides a deep-sea observing buoy system based on inductive coupling and satellite communication techniques and belongs to the technical field of an ocean buoy platform. The deep-sea observing buoy system comprises a data collecting control satellite communication subsystem, a shore-station satellite communication subsystem, a power supply subsystem, a buoy subsystem and a mooring subsystem. A principle of a transformer is adopted by the deep-sea observing buoy system; an underwater plastic coated steel cable is taken as an iron core of the transformer, an inductive coupling connector is taken as a primary coil, the coils in various data sensors under the water are taken as secondary coils, an inductive coupling module is taken as a modulator-demodulator, and a half-duplex communication mode is established by a data-acquiring control satellite communicator in a broadcast mode through various sensors under the water, so that the real-time collection for underwater data is realized. Meanwhile, a mature satellite communication system is selected, a dial-up service supplied by the satellite communication system is utilized to establish a real-time, large-data-volume and stable communication link between a deep-sea buoy and a user data center, and the real-time transmission for deep-sea observed data is realized.

The invention discloses a device for detecting the leak rate of a sealing ring. The device for detecting the leak rate of the sealing ring comprises a ring flange, a flange which is connected with the ring flange in a sealing way, and an inner sealing groove and an outer sealing groove which are arranged between the ring flange and a flange cover, wherein a sealing ring to be detected is arranged in the inner sealing groove, and a standard sealing ring is arranged in the outer sealing groove; an annular leak detection groove and a gas cavity are arranged at a contact part of the ring flange and the flange cover, and the annular leak detection groove is arranged between the outer sealing groove and the inner sealing groove and is communicated with an external leak detection pipe without leakage; and the gas cavity is arranged at the center of the flange and is communicated with a cylinder arranged outside the flange without leakage. The device has the advantages of compact structure, small volume, and convenience and quickness in heating, and the problem that the traditional detection device is difficultly applied to the detection of the leak rate of the sealing ring in high-pressure and high-temperature environments can be solved.

The invention discloses a whole-process all-weather electromagnetic environment monitoring system and a whole-process all-weather electromagnetic environment monitoring method. The monitoring system comprises a metal fixed bracket of which one end is grounded and the other end is connected with a 3D ground reference electric field sensor probe, a 3D magnetic field sensor and an electret condenser microphone. The 3D ground reference electric field sensor probe is used for transmitting a detected electric field strength signal to a microcontroller through a signal conditioning circuit and an A/D conversion circuit in sequence. The 3D magnetic field sensor is used for converting a detected magnetic field strength signal into a voltage signal and then transmitting the voltage signal to the microcontroller through the signal conditioning circuit and the A/D conversion circuit in sequence. The electret condenser microphone is used for converting collected noise into a voltage signal and transmitting the voltage signal to the microcontroller through the signal conditioning circuit and the A/D conversion circuit in sequence. The microcontroller is connected with a data sending and receiving module. The whole-process all-weather electromagnetic environment monitoring system further comprises a power module which is a mains supply or a battery.

The invention discloses a transformer on-load tap changer oil chamber pressure online monitoring system, comprising a detection module used for detecting the pressure of the oil chamber, a data collection module used for collecting detection data, a data transmission module used for transmitting the collected data, a data analysis module used for analyzing the collected data, a display module usedfor displaying the detection result, and an alarm used for issuing an alarm for abnormal values. The transformer on-load tap changer oil chamber pressure online monitoring system has the advantages of reasonable structure, convenient operation and easy monitoring, and has high promotion and application values.

The invention provides a high-safety device capable of achieving automatic inflation. The high-safety device capable of achieving the automatic inflation comprises an automatic inflating mechanism anda tire pressure monitoring mechanism, wherein the automatic inflating mechanism comprises a gas storage tank, a gas conveying pipe, a rotary connecting device and a tire nozzle; the gas conveying pipe and the gas storage tank are mutually connected; the rotary connecting device is fixed to the outer side of a wheel hub; the gas conveying pipe is connected with the tire nozzle through a connectinghole formed in the end part thereof; the gas conveying pipe is formed by connecting a plurality of gas conveying branch pipes through pipe connectors; the tire pressure monitoring mechanism comprisesa shell; an adjusting cavity is formed in the shell; an adjusting mechanism is arranged inside the adjusting cavity. The high-safety device capable of achieving the automatic inflation is good in safety performance and long in service life.

The invention discloses an experimental device and experimental method for testing the vibration of the completion string of a high-yield gas well. The device includes an air compressor (1), a buffertank (2), a pressure regulating valve (3), a pressure gauge (4), a string (5), a packer (6), a fixing device (7), a camera (8), a computer (9), a strain gauge (10), a tail pipe model (11), a cable (12), and a screw clamp (13). The airflow generated by the air compressor (1) is regulated by the buffer tank (2) and pressure regulating valve (3) and then passes through the string (5). The flow rate is adjusted to simulate the same deformation effect of the high-yield gas state. The strain gauge (10) is installed on the string (5) to acquire the micro-strain of the string (5). In cooperation withthe high-speed camera (8), the vibration frequency and the deformation of the string is obtained by modal analysis. The experimental device is simple, restores the working state of the string in the high-yield gas well, and accurately measures the vibration frequency and the deformation degree of the string at different flow rates.

The invention discloses an automobile tire pressure safety monitoring mechanism. The automobile tire pressure safety monitoring mechanism comprises a shell; an adjusting chamber is formed in the shell; an air inlet passage and an air outlet passage are formed in the shell; an adjusting mechanism is arranged in the adjusting chamber; the adjusting mechanism comprises a piston plate, a first adjusting plate and a second adjusting plate; the piston plate can be movably arranged in the adjusting chamber; a plurality of vent holes are formed in the piston plate; a first inserting block is arrangedat one end of the piston plate; a second inserting block is arranged at the other end of the piston plate; a first plugging block and a second plugging block are arranged at the end part of the firstinserting block; the first plugging block fits a third air inlet passage; the second plugging block penetrates through a second air inlet passage to fit a first air inlet passage; a third plugging block is arranged at the terminal of the second inserting block; and a spring is arranged between the piston plate and the second adjusting plate. According to the automobile tire pressure safety monitoring mechanism, the pressure in a tire can be monitored in real time and the tire can be deflated under a situation that the pressure is too high; therefore, the safety performance is greatly improved.

The invention discloses a vehicle explosion-proof battery scheme and system. The scheme comprises the following steps: S10, judging whether a battery management system is in a wake-up state, if yes, carrying out S20, and if not, carrying out S30; S20, judging whether the information, such as the single battery pack voltage, the temperature and the battery pack air pressure sent by a slave board reaches a safety threshold value point or not through the battery management system mainboard, if so, carrying out S21, and if not, returning to the S10; S30, detecting whether the air pressure in the battery pack reaches a safety threshold point or not through an air pressure sensor, if so, executing S40, and if not, returning to the S10; and S40, opening a fire hydrant, and performing rapid fire extinguishing and cooling work on the on-fire battery pack. Key parameters such as air pressure, insulation resistance, temperature and current are monitored in real time through the battery management system in the control strategy level, fault processing is carried out when a power battery system is abnormal, and a fire hydrant can be actively opened to prevent thermal runaway spreading of a battery pack when thermal runaway happens to the battery system.

The invention belongs to the technical field of marine-product processing, and relates to a marine-product cooking device.A disc-shaped top cover is arranged at the top end of a cooking barrel to which base supports are welded; a vertical rod is welded to the middle of the top cover through a fixing ring in an embedded mode, the other end of the vertical rod is fixedly welded to a transverse rod with a bracelet hung to the tail, and a connecting shaft is arranged in the middle of the transverse rod and used for connecting the transverse rod and the extending ends of the base supports; an air pressure thermometer, a poroid-structure partition plate and a water containing cavity are arranged in the cooking barrel, an electric heating device electrically connected with a controller with a power switch is arranged at the bottom end of the water containing cavity, and a water inlet with a switch valve is formed in one side of the water containing cavity; a timer and a stopping cover with a handle are arranged on the outer surface of the cooking barrel, the timer is electrically connected with the electric heating device and the controller, and a discharging opening is formed in the covering position of the stopping cover.The marine-product cooking device is simple in structure, novel in design, reliable in principle, easy and convenient to operate, low in cost, mature in preparing technology, high in cooking efficiency, good in cooking effect, friendly in environment, safe and reliable.

The invention provides a pneumoperitoneum machine calibration device and method with a constant pressure stabilizing mechanism. The pneumoperitoneum machine calibration device comprises an abdominal cavity simulation box, a barometer is fixedly connected to one side of the top end of the abdominal cavity simulation box, two fixed columns are fixedly connected to the top end of the abdominal cavity simulation box, and a control panel is jointly and fixedly connected to the top ends of the two fixed columns. A power line is fixedly connected to one side of the control panel, a plug is fixedly connected to one end of the power line, an air inlet mechanism is arranged on one side of the abdominal cavity simulation box, an air outlet mechanism is arranged on the other side of the abdominal cavity simulation box, an adjusting mechanism is arranged at the inner bottom of the abdominal cavity simulation box, and a temperature sensor is fixedly connected to the inner top of the abdominal cavity simulation box. The pneumoperitoneum machine calibration device has the beneficial effects that various real-time detections can be carried out during gas input and output, relevant data during simulation can be found in time, the loading capacity of the simulated abdominal cavity can be conveniently adjusted, calibration simulation can be carried out on patients with different loading capacities of the abdominal cavity, and centralized control and observation can be carried out on the device.

The invention provides an integrated device for biological protection, which comprises an integrated device body for protecting a biological bin, and the integrated device body comprises a detection and control assembly, a control assembly, a processing assembly, a shell and an external assembly. The invention also relates to an integrated control circuit for biological protection. A differentialpressure transmitter is used for detecting the pressure of the gas circuit in real time and feeding back a detected signal to the control assembly, the control assembly sends an instruction to the electromagnetic valve, the gas circuit is closed through the electromagnetic valve, the gas pressure of the gas circuit can be monitored in real time, and danger caused by abnormal failure of the gas circuit is avoided. A filter is also integrated in the device, and the filter can be directly calibrated through a dust particle counter, so that the detection is convenient; the electromagnetic valve isconnected with the filters, the filtering effects of the filters can be monitored in real time, and when the filters are abnormal, the electromagnetic valve closes a gas circuit and calibration is simpler and more convenient.

The invention discloses an embedded intelligent steaming and baking oven. The steaming and baking oven comprises a case, an inner cavity, a controller and a control panel, wherein the controller is connected with the control panel, the control panel is mounted at the upper end part of the case, and the intelligent steaming and baking oven is characterized in that the controller is a PLC, the PLC comprises a data acquisition module, an alignment execution module and a preset module, the data acquisition module is connected with a temperature sensor, a humidity sensor and an air pressure sensor,and the three sensors are all arranged in an inner cavity; a preset key is arranged on the control panel and is connected with a preset module; and the alignment execution module controls a humidifier, a heater and a micro sucking pump which are all mounted in the case. The humidity, the temperature and the air pressure of the steaming and baking oven are monitored in real time, and the humidity,the temperature and the air pressure of the steaming and baking oven are adjusted in real time according to the detection parameters and the preset parameters, so that the humidity, the temperature and the air pressure meet the preset requirements in the whole steaming and baking process, and the steaming and baking effect is improved; and one-key control is achieved, and great convenience is achieved.

The invention discloses a reaction kettle for polymerized ferric sulfate production. The structure of the reaction kettle comprises a kettle body, support feet, an upper sealing head, a pressure monitoring device, a connection protection rod and a motor, wherein the support feet are welded and connected on the outer surface of the bottom portion of the kettle body, the upper sealing head and the kettle body present an integrated molding structure, the upper sealing head is connected above the kettle body, the bottom portion of the pressure monitoring device is embedded and connected at the internal-upper portion of the upper sealing head, the pressure monitoring device and the upper sealing head form interference fit connection, the connection protection rod is vertically welded at the top end of the upper sealing head, the pressure monitoring device is arranged on the outer side of the connection protection rod through the upper sealing head, the motor is connected at the top end of the connection protection rod, the kettle body is provided with a support seat, an inner coil pipe and a base, the support seat is welded and connected at the outer surface of the kettle body, and the inner coil pipe is inserted into the interior of the kettle body in a connected manner. According to the present invention, the reaction kettle can accurately, effectively and real-timely monitor the air pressure condition in the reaction kettle, can grasp the dynamic air pressure in the reaction kettle, can avoid the damage caused by the too high air pressure difference, and can easily achieve the protection on the reaction kettle.

The invention discloses an RTO waste gas treatment device, and belongs to the technical field of environment protection equipment. The RTO waste gas treatment device is novel in structure and reasonable in design. Natural gas obtained after sulfur impurities are moved is adopted as fuel, it is guaranteed that the situation that the sulfur impurities enter an incinerator, and therefore equipment and pipeline corrosion is caused is avoided, and safety of the whole device is improved. The sulfur impurities in the natural gas cannot be discharged into the atmosphere along with treated waste gas, no pollution can be caused to the atmosphere, and the environment protection performance of RTO equipment is improved. Pressure sensors are arranged on a gas inlet and a gas outlet of a heat storage chamber of the incinerator, the gas pressure in the gas inlet pipe and the gas pressure in the gas outlet pipe can be conveniently monitored in real time, and whether the conditions of blocking, breaking and the like happen to a heat storage body in the heat storage chamber or not is judged through whether the gas pressure is within the normal range or not, so that maintenance measures are taken toguarantee normal work of heat storage furnaces. An automatic cleaning tool is arranged on the heat storage body, and the heat storage body can be cleaned periodically.

The invention discloses a quick treatment device for acute ruminal tympany, belonging to the technical field of a veterinary treatment instrument. The quick treatment device is capable of injecting medicine and exhausting air; when the medicine is injected, air bubbles in a rumen can be effectively and mechanically broken, thus chime stuck on air bubbles is prevented from blocking an air exhaust channel; when the medicine is injected, rotating speed of a medicine injection part can be manually controlled; meanwhile, large-area and comprehensive injection of medicine into the rumen can be realized; an air pressure sensor and a cardiac rhythm tester are further arranged so as to real-timely monitor air pressure in the rumen and heart conditions of an animal with diseases during operation, thus occurrence of complication during operation is prevented and rhythm and speed of intermittent air exhausting can be guided. The quick treatment device is further capable of presetting an insert depth of a needle body; moreover, a massage device is arranged so as to assist air exhausting during operation and postoperative recovery.

The invention discloses a comprehensive ruminal tympany treatment device, belonging to the technical field of medical apparatuses and instruments for veterinary medicines. A puncture deflation needle comprises a deflation part and a medicine injection part, medicines with effects of stopping fermentation and helping digestion or strengthening the heart and invigorating stomach can be filled into the rumen, and deflation is performed simultaneously. In addition, the medicine injection part can be developed in the ruminant's rumen, rotary medicine injection is realized, mechanical beat defoaming is performed, and the condition that the vent holes are blocked by bubble chime is avoided. Meanwhile, the filled medicines can be subjected to multi-point, wide-range and all-around application in the rumen, so that the deflating, defoaming and medicine filling effects are greatly improved. Moreover, the rotating speed of the medicine injection part can be manually controlled, rapid rotation can be performed at first, the operation of mechanically crushing the air bubbles in the rumen is taken as the main aim, the rotating speed is reduced, the drug is delivered to the rumen during medicine spraying and bubble crushing, the air pressure in the rumen and the heart conditions of diseased animals can be monitored in real time during operation, and intra-operative complications are avoided.

The invention discloses a QIC anaerobic reaction sewage treatment system and a remote control system of the QIC anaerobic reaction sewage treatment system, and relates to environmental protection equipment and remote control systems. The remote control system of the QIC anaerobic reaction sewage treatment system comprises upper PLC and terminal PLC, a signal amplifier, a display unit, a key-press unit and a storage unit, wherein the upper PLC and the terminal PLC are in communication connection through ZigBee wireless transmission modules arranged at two ends, the upper PLC is electrically connected with a first solenoid valve, a second solenoid valve, a third solenoid valve, a fourth solenoid valve, a fifth solenoid valve and a feeding machine; the signal amplifier is electrically connected with a first pressure sensor, a second pressure sensor and a third pressure sensor; the display unit is electrically connected with the terminal PLC; the key-press unit is electrically connected with the terminal PLC; the storage unit is electrically connected with the terminal PLC. The remote control system of the QIC anaerobic reaction sewage treatment system disclosed by the invention can monitor air pressure situations of a fluidized bed reaction chamber, a deep purification reaction chamber and a swirling flow gas-liquid shunt chamber in real time and control water inflow, the fluidized bed reaction chamber, the deep purification reaction chamber, water discharge, biogas outlet and feeding in the anaerobic sewage treatment system in real time.

The invention discloses a screwing device. The screwing device comprises a working platform, wherein the working platform is provided with a screw rack for supporting a screw machine (10); the screw machine (10) is connected to an air source by a connecting air pipe; an air storage drum (12) for controlling the detecting pressure is arranged between the screw machine and the air source; the inlet end of the air storage drum (12) is connected to the air source, and the outlet end of the air storage drum (12) is connected to the screw machine (10) by the connecting air pipe, a digital displaying meter (13) for displaying the level of the air pressure is arranged on the air storage drum (12); the digital displaying meter (13) outputs air-pressure information to an electric controller (14); an air valve (11) is arranged on the connecting air pipe between the output end and the screw machine (10); and the electric controller (14) controls the opening or closing of the air valve (11) according to the level of the detected air pressure. The screwing machine disclosed by the invention has the advantages that the level of the air pressure can be monitored in time, missed screwing and unqualified installation can be prevented, and the installation efficiency and quality of installed parts are improved, so that the application prospect is better.

The invention relates to the field of industrial equipment, and discloses a stable cement sampling device and method. The sampling device comprises a sampling execution system, a sampling control system and a distributed control system. The sampling execution system is responsible for completing specific blanking or sampling actions. The control parameters of blanking and sampling processes can be set in the sampling control system. The air pressure in the sampling process and the weight of the taken sample are monitored, and then a specific control instruction is sent to the sampling execution system; the distributed control system supports remote setting of blanking and sampling parameters and monitoring of blanking and sampling processes, and through the sampling method, operators can set and adjust the blanking parameters on site or in a central control room, monitor the blanking and sampling processes in real time and automatically execute blanking and sampling actions, so that the labor intensity of the operators is reduced.

A test method applied to hard clay jet flow scouring mainly comprises the following steps that clay slurry is loaded into a clay consolidation assembly, and the clay consolidation assembly is sealed; the negative pressure drainage assembly is started to dehydrate and consolidate clay slurry in the clay consolidation assembly; the dewatered and solidified clay is subjected to jet washing through a movable jet washing assembly; all the assemblies are disassembled, and the jet flow scouring test under one set of working conditions is completed. The method can greatly shorten the long-time consolidation drainage process of silt, carries out submerged jet flow on the remolded hard clay, can be used for researching the underwater scouring characteristics and the starting and diffusion rules of the hard clay, reveals the jet flow scouring mechanism of the hard clay, provides an evaluation method for the scouring capacity and the scouring efficiency, and has a good application prospect. And the dredging construction operation can be more scientifically and normatively carried out, and great help is also provided for the optimal design of the jet type flushing equipment.