79results about How to "Monitor pressure" patented technology

The invention discloses a supercritical carbon dioxide fracture-creepage-seepage test device for high-temperature high-pressure coal petrography. The device comprises a triaxial cell, a supercriticalcarbon dioxide generator system, an axle load and confining pressure loading system, an acoustic emission monitoring system, a temperature rise control system, a deformation-pressure monitoring systemand a permeability measuring system. The device is capable of realizing the supercritical carbon dioxide fluid fracture test of coal petrography under high temperature and high pressure, monitoring and recording the temperature and pressure changes of supercritical carbon dioxide and characteristics of fracture cracking and extension in the supercritical carbon dioxide fracture process in real time, monitoring and recording the axial and radial deformations of coal petrography samples in real time, directly and effectively measuring the DH4 permeability of the coal petrography before and after the fracture without unloading the coal petrography sample stress, and measuring the CH4 permeability of the coal petrography after the fracture under the action of creepage. The measurement methodis high in precision, intuitional and high in automation degree, and the device is simple in structure.

The invention relates to a diesel, in particular to an explosion-proof diesel, which is applicable to anti-explosion power devices on various fixed and mobile equipment underground coal mine, solving the problems that no explosion-proof diesel product exists in domestic market, while the imported explosion-proof diesel has complicated structure, high price, long lead time of components and parts, untimely service, high maintenance costs and the like. The invention comprises a diesel body, a cooling system, a fuel supply system, an exhaust system and an air intake system, wherein, the cooling system, the fuel supply system, the exhaust system and the air intake system are connected with the diesel body assortatively; an exhaust manifold and an exhaust pipe in the exhaust system are all provided with water jackets; an outlet of the exhaust pipe is connected with a waste gas processing box; the air intake pipeline of the air intake system is provided with an air intake barrier; the invention is further provided with an air starter and protection system. The invention solves the problems of difficult assortment, difficult maintenance and long period of vulnerable components of imported machine types; the air starter and protection system adopts a compressed air starter to start and has the advantages of safety and reliability, convenient maintenance under the mine; the air exhaust is safer and the discharging is effectively reduced.

The invention discloses a high temperature and high pressure coal rock supercritical carbon dioxide fracturing-creep deformation-seepage experimental method. A supercritical carbon dioxide fluid fracturing-creep deformation-seepage experiment of coal rock is executed under high temperature and high pressure, change of temperature and pressure of the supercritical carbon dioxide and fracture crackinitiation and expansion features in a supercritical carbon dioxide fluid fracturing process are monitored and recorded in real time, and axial deformation and radial deformation of a coal rock sampleare monitored and recorded in real time, moreover, CH4 permeability of the coal rock before and after fracturing can be measured directly and effectively under a condition where coal rock sample stress is not cancelled, and measurement of the permeability of the CH4 of the coal rock under the creep deformation function after fracturing can be realized. The measurement method provided by the invention is high precise, visual and highly automatic, and devices used in the method are simple in structure.

The invention discloses a high-heat-dissipation multifunctional auxiliary plant growth lamp, and aims at achieves the purposes of heat dissipation and heat energy reutilization of a plant growth lamp. The high-heat-dissipation multifunctional auxiliary plant growth lamp is characterized by comprising a lamp body made from metal sectional materials, a light source substrate, a waterproof power supply, a water tube butt-joint head, a hoisting hanging buckle, and a pair of plugging heads, wherein an embedding groove is arranged in at least one side surface of the lamp body and used for installing the light source substrate, and a tube cavity penetrating through the two end surfaces of the lamp body is provided; the light source substrate is strip-shaped, a plurality of light-emitting units are bonded on the light source substrate, and a power supply line is welded on an end part of the light source substrate; the waterproof power supply is provided with a first plug connected with a mains supply, and at least one second plug connected with the power supply line of the light source substrate, and the waterproof power supply is installed on the lamp body; one end of the water tube butt-joint head is in butt-joint with an opening of the tube cavity, and the other end of the water tube butt-joint head is connected with a water supply pipeline; the hoisting hanging buckle is embedded on the lamp body, and provided with a hoisting component matched with an external mechanism; and the plugging heads are arranged on the two end surfaces of the lamp body in a sealing manner, and a plurality of open holes for penetration of the water tube butt-joint head, and the power supply line of the light source substrate are formed in the plugging heads.

The invention relates to a system and method for monitoring the fouling coefficient of a plate heat exchanger in real time. The system comprises a sensor module, a processor, a server, an alarm and astorage unit, wherein the sensor module is used for acquiring the temperature and pressure of inlets and outlets on a cold side and a hot side of the plate heat exchanger and acquiring mass flow ratedata of the hot side and the cold side, and the processor is used for acquiring the fouling coefficient according to the sensor data and data in the storage unit. In the method based on the system, the data of the sensor module and the storage unit is processed, the fouling coefficient is acquired finally according to a heat transfer coefficient formula, whether cleaning is needed or not is judgedaccording to the fouling coefficient, and an alarm is given. Compared with the prior art, the system and method for monitoring the fouling coefficient of the plate heat exchanger in real time can accurately acquire the fouling coefficient of the plate heat exchanger and give an alarm, the safety of the system is improved, and manpower and financial resources are saved; and initial judgement is performed based on a differential pressure ratio, then, the fouling coefficient is confirmed in combination with the temperature, the pressure and the mass flow rate, and dual protection and judgment ensure the accuracy and safety of the system.

The invention discloses a porous medium penetration slip-casting multi-parameter monitoring device and a test method thereof. The monitoring device comprises a slip-casting apparatus, which his connected to an inlet cabin. The inlet cabin is connected to one end of a connection steel pipe through connecting pieces, and the other end of the steel pipe is connected to an outlet cabin through connecting pieces. A joint position of the inlet cabin and the steel pipe and a joint position of the outlet cabin and the steel pipe are both provided with filter plates. The steel pipe is provided with a press measuring device. Slurry discharge pipes are connected at the bottom of the steel pipe, and a volume measuring apparatus is disposed below each slurry discharge pipe and positioned above a weighing apparatus. The filter plate of the outlet cabin is connected with a screw, and the screw is provided with a lower packing box. The outlet cabin is equipped with a flow measuring apparatus. The monitoring device helps to solve the problem of monitoring key parameters during porous medium penetration slip-casting. Compared with conventional research, the monitoring device has the advantages that various parameters can be monitored, the monitoring precision is high, the boundary effect of the device can be eliminated, and the device is adjustable in dimension and simple to operate.

The invention provides a defoaming device of single-component liquid resin. The defoaming device comprises a feeding channel, a heating system, a defoaming device, a vacuum system and a discharging channel, wherein the heating system is provided with a heating runner; the feeding channel is connected with the heating runner of the heating system, the heating runner of the heating system is connected with the defoaming device, the defoaming device is connected with the discharging channel, and the vacuum system provides a vacuum environment for the defoaming device. The invention further provides a defoaming method utilizing the device. Operation time spent on filling liquid resin is prolonged, and curing risks are avoided.

The invention discloses an intelligent monitoring system for a dilute oil lubrication device. The intelligent monitoring system comprises the dilute oil lubrication device, a control cabinet, a cloudserver and terminal equipment; a PLC, a power module, an exchanger and a wireless communication module are arranged in the control cabinet; a touch screen, an indicating lamp, a buzzer and an emergency stop button are arranged on a cabinet door of the control cabinet; the PLC integrates an Ethernet communication interface; the Ethernet communication interface is connected with the touch screen andthe wireless communication module through the exchanger to conduct data exchange; and the wireless communication module transmits a collected signal of the dilute oil lubrication device to the cloudserver, and the dilute oil lubrication device can be monitored in real time through the terminal equipment. The intelligent monitoring system is simple in principle, and scientific and reasonable in design, the temperature and pressure of a dilute oil lubrication system can be monitored in real time, meanwhile, remote parameter setting and operation are conducted, operation is reliable, and good operation of the dilute oil lubrication system can be guaranteed.

The invention discloses an evaluation device for damage of a hydrate-containing reservoir. The device comprises a sample synthesis chamber for synthesizing the hydrate-containing reservoir, a stress-strain system for providing overlying stress and pore pressure for the sample synthesis chamber and measuring pressure and strain of the reservoir, a temperature system for controlling temperature of the sample synthesis chamber, a gas-liquid-solid separation system for performing gas-liquid separation or gas-liquid-solid separation on products of the sample synthesis chamber and measuring the products as well as a data acquisition and monitoring system for acquiring real-time data and acquiring images of the gas-liquid-solid separation system in real time. The device can synthesize a specifichydrate sample under the overlying stress condition, monitor temperature, pressure and strain in the synthesis process of the hydrate sample, conduct sensitivity tests on the specific hydrate-containing sample and evaluate the sensitivity of the sample and damage degree of the reservoir by a working solution.

The invention discloses a surrounding rock-arch frame contact relationship monitoring device and a use method thereof. The device is composed of a surrounding rock, an arch frame, a force monitoring module and a displacement monitoring module. The force monitoring module is composed of a short anchor rod, a carrier plate, a nut and a pressure box. The displacement monitoring module is composed oftwo wire-type displacement sensors and a positioning hole. According to the invention, the pressure box is arranged to monitor the surrounding rock pressure; by monitoring the data of the displacementsensors before and after deformation, radial relative displacement and circumferential relative displacement are calculated, and thus relative deformation state between the arch frame and the surrounding rock is quantified; and the device can monitor the pressure of the surrounding rock at any position of the arch frame and can monitor the relative displacement of the surrounding rock and the arch frame.

The invention discloses a system device for liquid deoxidization and an application. The system device comprises a liquid supply module, a deoxidization module, an auxiliary module and an intelligentcontrol module, wherein the deoxidization module comprises supergravity equipment and a liquid storage tank which are integrated together; the auxiliary module comprises a gas supply device and a vacuum device, and the gas supply device and the vacuum device can be used independently or simultaneously; the intelligent control module is used for adjusting flow, rotating speed, temperature and pressure of each module and performing matching and coordination on parameters of the modules. The device has the characteristics that the gas stripping deoxidization method and the vacuum deoxidization method can be either used independently or used in parallel, free switching of the two deoxidization modes is realized according to the actual conditions, and effective utilization of resources and timely treatment of equipment failure can be realized; the whole system is compact in structure, and efficient, flexible and controllable optimized operation of the deoxidization can be realized.

The invention provides an air conditioner high-temperature sterilization control method and device, a storage medium and an air conditioner, and relates to the technical field of air conditioners. Themethod comprises the steps that after an instruction for starting a sterilization mode is received, inner disc pressure of an evaporator is obtained; pressure change rate is determined according to the inner disc pressure, and compressor frequency is adjusted according to the inner disc pressure and the pressure change rate, so that the inner disc pressure is kept within a preset range; and whena condition of exiting the sterilization mode is met, the sterilization mode is exited. By directly obtaining the inner disc pressure of the evaporator and the pressure change rate, the inner disc pressure and the pressure change rate can be monitored in real time, so that the problem of poor real-time performance caused by hysteresis of inner disc temperature detection is effectively avoided, theprobability that pressure in an evaporator copper pipe is too large is reduced, and then the probability that the copper pipe is broken is reduced.

The invention provides a stamping die capable of monitoring stamping acceleration and pressure, comprising an upper mold base, a lower mold base, a guide post and a guide sleeve, the guide sleeve is arranged on The sliding sleeve of the column is set in the guide sleeve, the lower end of the upper die seat is provided with a punch, the upper end of the lower die seat is provided with a die corresponding to the punch, the punch is provided with an acceleration sensor and a pressure sensor, and the die is only provided with a pressure sensor. The sensors, the acceleration sensor and the pressure sensor are connected to a wireless communication unit, the power supply ports of the acceleration sensor, the pressure sensor and the wireless communication unit are connected to a power supply, and the wireless communication unit is connected to the user terminal through a wireless signal. The beneficial effect is that the pressure and acceleration during stamping of the upper mold base and the lower mold base can be monitored, and the stamping process can be monitored in real time, which helps to better control the processing effect of the stamped parts and saves manpower and material resources.

The invention relates to a protection system of a turbine compressor, and belongs to the technical field of electromechanical equipment control. According to the protection system, a monitoring device, a cooling device, a filtering device and a lubricating device are arranged, so that a turbine compressor body is protected in a targeted mode, and the turbine compressor body stably works by the temperature, the flow and the pressure monitoring; and meanwhile, impurities in lubricating oil and air are effectively prevented from being worn by a compressor unit, so that the purpose of protecting the turbine compressor is achieved, and the requirements of actual electromechanical equipment are met. The protection system is simple in structure, convenient to operate and high in controllability.

The invention belongs to the technical field of underground pipe gallery control systems, in particular to an intelligent auxiliary control system based on the Internet of Things and the three-dimensional visualization technology. The system comprises an upper computer, a controller, a pipe gallery environment monitoring system, a pipeline state monitoring system, an alarm, a three-dimensional visualization system and mobile receiving equipment, and the output end of the upper computer is electrically connected with the input end of the controller. According to the invention, the pipe galleryenvironment monitoring system and the pipeline state monitoring system are arranged; the operation conditions of the pipe gallery and the pipeline can be monitored more comprehensively; therefore, various parameter information of the pipe gallery and the pipeline can be understood; when the operation condition is abnormal, management personnel can timely receive alarm information, take measures, check problems and hidden dangers, and can complete inspection work on line by arranging a three-dimensional visual system and mobile receiving equipment, so that monitoring dead angles are greatly reduced, regular manual inspection is not needed, and the labor intensity of workers is reduced.

The invention discloses an intelligent gas controller. The controller comprises a controller body and a remote controller, the controller comprises a shell and a valve body. The shell comprises an upper shell body and a lower shell body. The upper shell comprises a panel display; the lower shell comprises a battery bin, a control circuit and a motor valve body; the remote controller comprises a second DC power supply, a second central processing unit, a second clock module, a memory, a second power supply monitoring module, a second display driver, a dot matrix LCD display module, a remote control key, a second sound alarm module and a second wireless communication module. The beneficial effects of the invention are that the gas intelligent controller works according to the principle of atimer, automatically times after a user opens a valve according to the time set by the user, automatically closes the valve when the time is up, can realize gas timing use, automatically opens and closes a control valve, reduces potential safety hazards, simultaneously monitors the pressure and temperature in a gas pipeline, timely eliminates abnormal potential hazards, and improves the safety ofthe gas user.

The invention discloses an intermediate medium type heat transfer test platform. The test platform is composed of a liquid nitrogen-intermediate medium heat exchange assembly, a water-intermediate medium heat exchange assembly and an intermediate medium circulation assembly. Each heat exchange assembly is composed of an inlet pipeline, an outlet pipeline and a heat exchange pipe, and the intermediate medium circulation assembly is composed of a columnar shell, a liquid phase space pipeline and a gas phase space pipeline. And fluid monitoring equipment is arranged outside the inlet and outlet pipelines and the circulating assembly shell and is used for measuring the pressure and temperature of fluid in real time and adjusting the flow of the pipelines. When the test platform works, the gaseous intermediate medium exchanges heat with liquid nitrogen, and the liquid intermediate medium exchanges heat with water, so that cyclic utilization of the intermediate media is realized. The device can be used for test simulation of an intermediate medium type heat transfer platform and performance testing of a novel intermediate medium, has the advantages of being compact in structure, reliable in simulation and the like, and has a great application prospect.

The invention provides a large deformation pallet for tunnel surrounding rock deformation monitoring. The large deformation pallet comprises a pallet box, a spring group and a sliding cover plate. The spring group is arranged in the pallet box, and the spring of the spring gorup are the same. The lower ends of the springs are fixed to the bottom surface of the pallet box. The opening of the pallet box is arranged at a sliding cover plate which can move up and down in the pallet box. The upper ends of the springs are fixedly connected to the sliding cover plate. The side wall of the pallet box is provided with a monitoring port for monitoring the displacement of the sliding cover plate. The middle part of the cover plate is provided with a cover plate positioning hole. The bottom surface middle part of the pallet box is provided with a pallet box positioning hole. A positioning component orderly goes through the cover plate positioning hole and the pallet box positioning hole and is fixed in a tunnel surrounding rock to be monitored. The invention provides the large deformation pallet for tunnel surrounding rock deformation monitoring, the cost is reduced, and tunnel full section deformation can be realized.

The invention belongs to the technical field of engineering machinery, and relates to a basket disk weighing system and an aerial work platform with the same. The basket disk weighing system comprisesa weighing sensor and a basket assembly arranged on the weighing sensor in a pressing mode. The basket assembly comprises a basket and a basket bracket which are fixedly connected. The weighing sensor comprises a sensor outer ring and a sensor inner ring which are fixedly connected. The basket bracket is arranged on the weighting sensor in a pressing mode and fixedly connected with the sensor outer ring, and the sensor inner ring is connected to a driving arm assembly. The aerial work platform is provided with the weighting system to monitor the pressure borne by the basket in real time, overload is prevented, and safety of working high above the ground is improved; and the weighting system can solve the measurement problem of the real time load of the basket by using only one sensor, andhigh measuring veracity is achieved.

The invention discloses a cleaning device for a control cabinet, comprising a cleaning head, a connecting rod, a sliding block and a driving motor, wherein two ends of the cleaning head are connectedto the front and rear sides of a top cover by a linear bearing, the outer side of one end is fixedly connected to the sliding block by the connecting rod, a screw rod and screw nut pair for driving the sliding block to move is arranged on the sliding block, the screw rod and screw nut pair is connected with a driving motor, and the driving motor is fixedly connected to the side face of the top cover. According to the invention, the cleaning device formed by the cleaning head, the connecting rod, the sliding block and the driving motor is adopted, and is electrically driven, thus saving time and labor, being sanitary and convenient to clean, avoiding damage of electrical apparatus elements in an electric control cabinet caused by inflow of snow water into the electrical apparatus elements,and being safer to use.

The embodiment of the invention discloses a multifunctional airplane brake cooling control device, which comprises a brake cooling fan, a tire pressure sensor, an airplane wheel speed sensor and a brake cooling motor, wherein a central shaft hole of the airplane wheel speed sensor penetrates through a long shaft of the brake cooling motor and is fixedly arranged at one end of the brake cooling motor; the airplane wheel speed sensor is used for monitoring the speed of an airplane tire; a central shaft hole of the tire pressure sensor penetrates through the long shaft of the brake cooling motorand is fixedly arranged at one end of the airplane wheel speed sensor; a pressure sensor connected with the airplane tire is arranged in the tire pressure sensor and is used for synchronously rotatingwith the airplane tire so as to monitor the pressure of the airplane tire; the brake cooling fan is installed at the end of the long shaft of the brake cooling motor and used for being driven by thelong shaft of the brake cooling motor to rotate to generate air flow for conducting heat dissipation and cooling on the airplane tire. According to the embodiment of the invention, the integration ofairplane tire pressure detection, airplane wheel rotating speed detection and brake cooling functions is realized.

The invention discloses a neurological clinical percussion hammer for testing a knee-jerk response. The neurological clinical percussion hammer includes a hammer body and an adjustable handle. The upper end face of the hammer body is provided with a first clamping groove. The first clamping groove is internally provided with a large hammer head, the lower end surface of the hammer body is providedwith a second clamping groove, a small hammer head is arranged in the second clamping groove, and pressure measuring devices are arranged in the middle of the upper end surface of the large hammer head and the middle of the lower end surface of the small hammer head. The middle part of the front side of the hammer body is provided with a pin hole, and a positioning pin is arranged in the pin hole. The neurological clinical percussion hammer is simple in structure and convenient to use, and non-slip measures are taken, thereby effectively preventing the percussion hammer from falling off and ensuring a patient's safety. A counterweight is replaced by adjusting the length of a hammer handle, scratch that may be caused to medical workers by a thread on the outer surface of a hammer rod is avoided, the safety of the medical workers is ensured, pressure borne by the patient can be effectively monitored, and physical damage to the patient caused by too much pressure received by the patientis avoided.

The invention belongs to the technical field of monitoring, and specifically discloses a monitoring device used for drug preparation. The device comprises a sensor module, a CPU information processing module, a display module, an output module and an input module. The sensor module, the display module, the output module and the input module are respectively connected with the CPU information processing module. The monitoring device used for drug preparation solves problems exist in the prior art, and monitors temperature and pressure of processing equipment in real time, thereby improving product qualified rate, and reducing energy consumption and production cost investment. Fault problems are output by a printer, and the problems are concretely analyzed, so the problems are convenient to solve. The device is simple in operation, convenient in maintenance, low in production cost, and easy in popularization.

The invention discloses a remote safety monitoring system based on natural gas. The remote safety monitoring system comprises a gas valve pit, wherein a valve and a hydraulic drive device are connected in the gas valve pit through a pipeline. The remote safety monitoring system further comprises a valve detector, a remote control valve end, a remote control device, a processor, a database and an upper computer, wherein the valve detector is connected with the valve and acquires and sends real-time state information of the valve to the processor, the processor receives the state information of the valve detector, retrieves database comparison, sends adjustment information to the remote control valve end and the remote control device and simultaneously sends the state information to the upper computer. The database stores reserved standard data. The remote control valve end wirelessly controls valve turning on and off, and the remote control device wirelessly controls the hydraulic drive device. The remote safety monitoring system further comprises a pipe network pressure detector for detecting pressure state information of the pipeline and sending the information to the processor in real time.

The invention discloses an indwelling pressure measuring and urethral catheterization device, a system applying the urethral catheterization device and an application method. The indwelling pressure measuring and urethral catheterization device comprises a first urethral catheterization mechanism and a first pressure measuring film, wherein three channels of an integrated structure are arranged on the side, matched with the human bladder, of the first urethral catheterization mechanism, so that a first urethral catheterization cavity, a pressure measuring cavity and a water injection cavity which communicate are defined inside the first urethral catheterization mechanism, and the side, away from the human bladder, of the first urethral catheterization mechanism is of a split structure, so that a first urethral catheter, a pressure measuring pipe and a water injection pipe which are matched with the first urethral catheterization cavity, the pressure measuring cavity and the first air injection cavity are obtained; the first pressure measuring film is arranged on the pressure measuring pipe; a pressure measuring bubble and a water bag which are matched are arranged at the front end of the first urethral catheterization mechanism; and first notches are formed in the positions, matched with the pressure measuring bubble and the water bag, of the pressure measuring pipe and the water injection pipe. According to the indwelling pressure measuring and urethral catheterization device, the system applying the urethral catheterization device and the application method, complications caused by a traditional indwelling urethral catheterization technology to the bladder of a patient can be effectively avoided or relieved.