25results about How to "Normal working condition" patented technology

The invention discloses a data fusion method and system for a fire detection sensor, relates to the technical field of data fusion, remarkably improves the reliability and accuracy of the system, and solves the problems of false alarm, missing report, environmental interference, sensor fault and the like. By introducing a detailed anomaly detection module and a multi-level threshold evaluation mechanism, the system can accurately distinguish normal fluctuation and real fire signals, and reduces false alarm and missing alarm; in addition, the environment monitoring module calculates an environment interference coefficient in real time and compares the environment interference coefficient with a threshold value, so that the influence of environment factors on the detection accuracy is effectively dealt with, and the detection reliability is improved. The safety fault-tolerant module monitors the state of the sensor and the data transmission process in real time to ensure that a data compensation mechanism is started when the sensor fails or data is lost, so that the fault-tolerant capability of the system is enhanced; the comprehensive measure ensures the stability and accuracy of the system under various interference and fault conditions.

The invention provides a method for calculating the running stroke frequency of a pumping unit in a constant power mode and a method and device for controlling the pumping unit. The method comprises the following steps: acquiring production data of a sucker-rod pump producing well and basic parameters of a pumping unit; identifying that the working condition of the sucker-rod pump oil extraction system is normal according to the production indicator diagram; drawing a net torque curve in combination with basic parameters of the oil pumping unit; the average output power of the oil pumping unit in one swabbing period of the oil well pump is calculated based on the stroke frequency and the net torque curve; and the stroke frequency corresponding to each crank rotation angle in one swabbing period of the oil well pump is calculated based on the average output power of the oil pumping unit and the net torque curve. According to the invention, real-time dynamic optimization is carried out on the production working condition of the pumping unit, and constant power mode operation of the pumping unit is realized.

The utility model provides a high heat dissipation anti-impact type battery shell structure, which relates to the technical field of batteries and comprises a shell, a battery body is arranged in the shell, the outer wall of the battery body is fixedly connected with a mounting frame I and a mounting frame II respectively, and the mounting frame I is positioned at the top end of the mounting frame II. According to the cooling mechanism, the water pump is started, water in the water tank is pumped by the water pump to enter the water inlet pipe, so that the water in the water inlet pipe flows back into the water tank through the water outlet pipe, and meanwhile, the refrigerator is started to refrigerate the water in the water tank; therefore, the battery body is cooled by circulating cold water in the water inlet pipe and the water outlet pipe, then the fan is started, the air outlet of the fan dissipates heat of the battery body, and hot air is dissipated through the heat dissipation holes, so that the heat dissipation speed of the battery body is increased, and the heat dissipation effect of the lithium battery body is improved; therefore, the normal working state of the battery body is kept.

This utility model relates to the field of yarn feeder technology, and discloses a guide roller assembly and a yarn feeder for a high-speed, multi-path yarn feeder. The guide roller assembly includes a bearing B, a bearing A, a roller, a mandrel, an elastic washer, and fixing screws. Bearing B is a floating bearing. An O-ring is added to the mandrel at the location of the floating bearing B. By changing the depth of the groove of the O-ring and the matching of the O-ring wire diameter, suitable friction can be obtained, stabilizing the static state of the inner ring of the floating bearing B, avoiding wear between the inner ring of bearing B and the mandrel, and ensuring that the bearing is always in a normal working state. This guide roller assembly has a simple structure and stable improvement effect.

The utility model discloses a waste gas treatment device with a protective structure, which comprises a cylinder, the top and the bottom of the cylinder are respectively communicated with a gas inlet pipe and a gas outlet pipe, a fan is mounted on the gas inlet pipe, the inner wall of the cylinder is rotatably connected with a rotating cylinder, the bottom of the cylinder is fixedly connected with a motor, and the motor is fixedly connected with a gas outlet pipe. An output shaft of the motor penetrates through the cylinder body and is fixedly connected with the rotating cylinder, two cavities are formed in the rotating cylinder, the inner walls of the two cavities are both communicated with two guide pipes, the inner walls of the two cavities are both fixedly connected with filter plates, and the inner walls of the two cavities are both provided with two through holes. According to the waste gas treatment device, the condition of high pressure of the barrel body for a long time can be effectively avoided, the condition of damage to the filter plate is reduced, the fan can be kept in a normal working state, the condition of high-load operation of the fan is avoided, the service life of the fan is prolonged, and the effect of effectively protecting the waste gas treatment device is achieved.

The present invention belongs to the field of power machinery, specifically a four-stroke internal combustion engine cylinder. A chamber is formed by arranging a cooling shell in the outer wall of the cylinder body. The heat absorption characteristic of water with large specific heat capacity is utilized. When the internal combustion engine is working, cooling water is injected into the chamber to absorb the heat of the cylinder body. The pressure of the water and the pressure of the piston in the cylinder body can realize the reciprocating motion of the pneumatic piston, and then the cooling water can be switched on and off to enter the chamber through the working process of the internal combustion engine itself and the circulation of the cooling water in the chamber can be promoted. No external power source is required to achieve efficient heat dissipation of a single cylinder, reduce the adverse effects of high temperature on fuel utilization and the structure of the internal combustion engine, and thus ensure that the cylinder body is in a normal working state.

The utility model relates to the technical field of threaded fasteners, and discloses a self-locking threaded fastener with an early warning assembly, which comprises a bolt, the outer wall of the bolt is in threaded connection with a fastening nut, the outer wall of the bolt is in threaded connection with an intelligent early warning nut, the bottom of the fastening nut is provided with a sealing groove, and the sealing groove is provided with a sealing groove. A limiting groove is formed in the bottom of the fastening nut, a protection mechanism used for protecting the intelligent early warning nut is arranged on the bolt, a positioning mechanism is arranged on the protection mechanism, the protection mechanism comprises a base, the base is connected to the outer wall of the bolt in a threaded mode, and a glass cover is fixedly installed at the top of the base. And the base is arranged to be matched with the glass cover, the sealing ring, the sealing groove and the fastening nut, so that the intelligent early warning nut can be protected, rainwater is prevented from directly invading the intelligent early warning nut, and the intelligent early warning nut can be kept in a normal working state.

The application belongs to the technical field of building construction, and particularly relates to a kind of assembled cantilever frame systems, comprising the following steps: a load-bearing cantilever frame, which includes a plurality of horizontal rods and a plurality of inclined struts for supporting the horizontal rods, a pressure sensor is stored on any through-wall bolt to detect the pressure borne by the through-wall bolt; a load relief rope is connected with the pin hole on the horizontal rod of the load-bearing cantilever frame for load relief of the load-bearing cantilever frame, the load relief rope is fixed by a fixing device, and a tension sensor and an adjusting device are stored on the fixing device; a central control module is connected with the pressure sensor, the tension sensor and the adjusting device, and analyzes the real-time data detected by the sensors to determine whether to adjust the assembled cantilever frame structure. The application changes the load-bearing cantilever frame in the assembled cantilever frame system to an assembled structure, making the cantilever frame easy to assemble and disassemble.

The utility model discloses a butterfly valve which comprises a valve body, a valve plate used for opening and closing an opening and closing opening of the valve body and a valve shaft arranged in the valve body and used for turning over the valve plate to open and close the opening and closing opening of the valve body, and an air inlet hole is formed in the portion, outside the valve shaft, of the valve body in a penetrating mode and used for filling pressurized gas into a gap between the inner surface of the valve body and the valve shaft. The air inlet holes are formed in the valve body outside the valve shaft in a penetrating manner, so that pressurized air can be input into a gap between the inner surface of the valve body and the valve shaft and a gap between the inner surface of the valve body and the periphery of the valve plate, powder is prevented from entering the gaps, the butterfly valve is effectively prevented from being stuck and damaged, the service life of the butterfly valve is prolonged, and the service life of the butterfly valve is prolonged. And the sealing performance of the butterfly valve can be improved.

The invention relates to the technical field of drill bit processing, and in particular to a grinder for a semi-polished drill bit and a cutting edge grinding detection method, comprising a machine platform, a grinding assembly is arranged on the top of the machine platform, a displacement assembly is arranged on the top of the machine platform, a clamping member is arranged on the displacement assembly, the clamping member comprises a connecting shaft, a limiting cylinder is arranged at the end of the connecting shaft, a pneumatic clamping claw is arranged at the end of the limiting cylinder, the grinding assembly comprises a driving wheel, the driving wheel is connected to a driving wheel through a driving belt, a rotating shaft is commonly connected between the two driving wheels, a feed regulating member is arranged in the middle of the rotating shaft, and a grinding wheel member is arranged at one end of the rotating shaft; the invention controls the grinding wheel member and the feed regulating member to perform adaptive adjustment according to different conditions of the drill bit by introducing the pressure value when the cutting edge portion contacts the grinding portion and the temperature value during the grinding process, so as to avoid the cutting edge portion and the grinding portion generating a large amount of grinding heat, which causes the cutting edge portion to be burned.

The invention relates to the technical field of heat dissipation equipment, in particular to a data center heat exchange assembly based on a micro cold pool and a using method, the data center heat exchange assembly comprises an extension frame body arranged at an original cabinet door of a cabinet, and reset hinges are arranged on the two sides of the extension frame body; the two sides of the extending frame body are each provided with a set of electromagnetic locking doors through reset hinges, hot air guide pipes are arranged on the surfaces of the electromagnetic locking doors, and the other ends of the hot air conveying pipes communicate with the hot air guide pipes. The electromagnetic locking door is matched with the extending frame body to form a sealed micro-cold pool in the extending frame body, and the hot air guiding pipe, the hot air conveying pipe and the hot air discharging pipe set are matched to form a hot air channel. The hot air completing heat exchange is guided into the hot air guide pipe by the hot air conveying pipe and then is guided to the hot air discharge pipe group by the hot air guide pipe, so that heat dissipation based on each cabinet individual is realized, and the requirement on the transformation space is reduced.

This invention discloses an online detection method for the working status of a descaling nozzle in a rolling mill, relating to the field of hot rolling technology. Its main purpose is to avoid product waste, reduce production costs, and improve detection efficiency. The main technical solution of this invention is as follows: The detection method includes: placing a calibration plate coated with a detection coating at a designated position above the work rolls of the rolling mill; activating the descaling nozzle of the rolling mill and continuing for a first preset time to allow descaling water to wash over the detection coating, forming watermarks; acquiring characteristic parameters of the watermarks, including morphological and positional parameters; and determining the working status of the descaling nozzle based on a comparison of the characteristic parameters with preset parameter thresholds.

The utility model relates to the field of loudspeakers, in particular to a waterproof loudspeaker with a support, which comprises a front shell, a single body positioning support, a single body and a rear shell, the front shell and the rear shell are mutually inserted to form an inner cavity for placing the single body positioning support and the single body, the single body positioning support is ultrasonically welded with the front shell, and the single body is arranged in the single body positioning support. According to the utility model, the loudspeaker, the single positioning support and the front shell are subjected to ultrasonic welding and then are subjected to secondary sealing through gluing, so that the waterproof effect of the whole electronic product is guaranteed, and the problems of internal short circuit and damage caused by moisture invasion are prevented; even under the condition of water invasion, a normal working state can be kept, and effective water prevention is achieved. The two single bodies are positioned at the same time through the single body positioning support, the structure is simplified, the space utilization rate is increased, and the positioning accuracy is improved.

The present invention relates to a passive compliance device for a robot end, comprising: a floating end for connecting with an end tool, a limiting shaft being provided on the floating end, the lower end of the limiting shaft being fixedly connected to the middle part of the upper end of the floating end; an upper fixed end for connecting with a robot, an axial limiting mechanism being provided on the upper fixed end, the lower end of the axial limiting mechanism being in contact with the upper end of the limiting shaft; a lower fixed end, the lower fixed end being sleeved on the outer side of the upper end of the limiting shaft, the upper wall of the lower fixed end being fixedly connected to the lower wall of the upper fixed end, a radial limiting mechanism being provided between the lower fixed end and the limiting shaft, and a plurality of pre-tightening limiting mechanisms being provided between the lower fixed end and the floating end along the circumference of the limiting shaft. The present invention can respectively lock the limiting shaft in the axial and radial directions through the pre-tightening limiting mechanism, the axial limiting mechanism and the radial limiting mechanism, so as to avoid rigid collision between the end tool and the robot, and play the role of buffering and passive compensation.

The present invention relates to the technical field of smoke filtration, and discloses a smoke filter device and a filtering method for an electric heater, including a filter assembly, the filter assembly including an outer shell, an inner wall of the outer shell being fixedly connected to a ventilation shell, and an inner wall of the ventilation shell being fixedly connected to an air guide plate. In the present invention, after the air duct is blocked, the smoke introduced into the ventilation shell will push the air baffle plate downwards, and the downward movement of the air baffle plate will drive the sealing plate to move downwards, and before the air baffle plate is completely separated from the filter cartridge, the sealing plate will first block the opening of the bottom plate to prevent the smoke from being directly discharged. When the air baffle plate is completely separated from the filter cartridge, the smoke will pass between the filter cartridge and the inner shell, and the introduced smoke will be blown from the inside of the filter cartridge to the outside of the filter cartridge to blow out the dust blocked in the filter cartridge. After the smoke passes through the filter cartridge, the sliding baffle plate will be lifted upwards again through the air outlet, and the lifting height will be higher until the sliding baffle plate no longer blocks the ash discharge port, at which time the smoke will be discharged from the ash discharge port with the blown out dust.

The present invention is a hydraulic control valve block, a hydraulic control system and a hydraulic device. The hydraulic control valve block includes a control circuit and a brake circuit. The control circuit is connected between a hydraulic source and a hydraulic cylinder. The brake circuit includes a first electromagnetic reversing valve, a synchronous motor and a first hydraulically controlled one-way valve. The first main oil inlet of the first electromagnetic reversing valve is connected to the first oil pipeline of the control circuit. The first main oil return port of the first electromagnetic reversing valve is connected to the hydraulic source. The first working oil port of the first electromagnetic reversing valve is connected to the first flow outlet of the synchronous motor. The second working oil port of the first electromagnetic reversing valve is respectively connected to the first pilot port of the first hydraulically controlled one-way valve and the first flow inlet of the synchronous motor. The second flow inlet of the synchronous motor is connected to the first oil inlet of the first hydraulically controlled one-way valve. The first oil outlet of the first hydraulically controlled one-way valve is connected to the hydraulic cylinder. The second flow outlet of the synchronous motor is connected to the hydraulic source. The present invention solves the technical problems that the brake device is easily damaged and the braking is not timely.

The present invention discloses a screw air compressor rotor linear air filter assembly, which belongs to the technical field of air compressor air purification, and includes an air inlet valve arranged on the top of the left side of a chassis, a filter assembly arranged on the top of the inner cavity of the chassis, the filter assembly including a filter tank, a filter element inserted in the inner cavity of the filter tank, a sealing cover threadedly connected to the rear side of the surface of the filter tank, an air inlet pipe connected to the left side of the bottom of the filter tank, and an end of the air inlet pipe away from the filter tank is connected to the air inlet valve. The present invention compresses and stores air through the coordinated use of a chassis, a rotor structure and an air storage tank, and filters the inhaled gas through the setting of the filter assembly at the same time. The propulsion assembly and the back-blowing assembly can also be used in coordination, and the air filter element can be back-blown and cleaned after each use, so as to achieve the purpose of clean supply gas, large twin-screw compression ratio and automatic cleaning for easy maintenance.

This invention relates to an air outlet temperature field measuring device, specifically a method for measuring the air temperature field at the outlet of a braking resistor device. A temperature measuring plate with ventilation openings, made of 304 stainless steel, is installed at the air outlet of the forced-air-cooled braking resistor device. During operation, the plate is heated by the cooling air, resulting in an oxide film on its surface. Since the oxide film thickness is related to the cooling air temperature and affects the interference colors, the color distribution of the oxide film produced after the temperature measuring plate is oxidized by the high temperature of the cooling air can be used to deduce the temperature distribution of the cooling air at the outlet, i.e., the air outlet temperature field. The materials are inexpensive and readily available; the densely spaced openings on the temperature measuring plate minimize the impact on the cooling airflow, ensuring that the operating conditions during temperature measurement closely approximate the normal operating state of the braking resistor device.

The utility model discloses a water circulation cooling constant-temperature air conditioner for a photoetching machine, which belongs to the technical field of air conditioners and comprises an air conditioner entity, a ventilation plate is contacted with the front surface of the air conditioner entity, a clamping block is fixedly connected to the bottom surface of the ventilation plate, a quick release mechanism is arranged on the front surface of the ventilation plate, and a clamping sleeve is slidably connected to the outer surface of the clamping block. The front face of the air conditioner entity is fixedly connected with a fixing block, the front face of the ventilation plate is fixedly connected with a second handle, the quick dismounting mechanism comprises a square cylinder fixedly connected to the front face of the ventilation plate, a mounting cavity is formed in the square cylinder, the inner wall of the mounting cavity is fixedly connected with a spring, and the end, away from the second handle, of the spring is fixedly connected with a sliding block; through the arrangement of the quick dismounting mechanism which comprises the square cylinder, the mounting cavity, the spring, the sliding block, the first handle and the limiting rod, the ventilation plate can be quickly and conveniently dismounted and mounted, so that the time and energy for maintaining or replacing parts are reduced, and the maintenance efficiency of the equipment is improved.

The utility model discloses a movable container power generation device for a ship, which comprises a container body, a container door is arranged on the container body, an electrical cabinet and a plurality of cell panel supports are arranged in the container body, and the cell panel supports are arranged in the container body in a folding mode. The upper ends of the cell panel supports are movably connected through connecting rotating shafts, the lower ends of the cell panel supports are movably connected through connecting moving wheels, and the side edges of the cell panel supports are fixedly connected with limiting connecting chains. According to the movable container power generation device for the ship, the whole solar photovoltaic power generation structure is arranged in the container, so that the safety of the whole solar photovoltaic power generation structure is guaranteed through protection of the container, and meanwhile, the whole solar photovoltaic power generation structure can be conveniently moved through the container; the working position of the whole solar photovoltaic power generation structure can be conveniently improved, and the use efficiency of the power generation device is improved.

The invention provides a flue gas cooling and purifying device based on a test coke oven, the flue gas cooling and purifying device comprises a flue gas combustion mechanism, a tar condensation mechanism and a spraying dust removal mechanism, the flue gas combustion mechanism can combust combustible substances in flue gas, and the input end of the flue gas combustion mechanism is connected with the output end of the test coke oven; the tar condensation mechanism can condense tar in smoke, the input end of the tar condensation mechanism is connected with the output end of the smoke combustion mechanism, the spraying dust removal mechanism can remove dust from the smoke, and the spraying dust removal mechanism is installed at the output end of the tar condensation mechanism. Compared with the prior art, the problem that a filtering device is blocked does not exist, the condensed tar does not need to be manually treated, meanwhile, the process is simpler, and the cost is lower.

The utility model discloses a power supply circuit, comprising a voltage stabilization source, the output end of which is connected with the feedback end of a first voltage conversion circuit; the input end of the first voltage conversion circuit is connected with the output end of the external power supply, and the output end is connected with first equipment; the input end of the second voltage conversion circuit is connected with the output end of the external power supply, and the output end is connected with second equipment; the input end of the third voltage conversion circuit is connected with the output end of the external power supply, and the output end is connected with third equipment. The working requirements of different devices can be met through a simple circuit structure, and the design cost of the power supply circuit is reduced; meanwhile, a voltage stabilizing signal is provided for the first voltage conversion circuit through the voltage stabilizing source, and it is guaranteed that the first voltage conversion circuit provides stable second voltage for the first device; and meanwhile, the second voltage conversion circuit outputs fourth voltage to the second equipment, and the third voltage conversion circuit outputs fifth voltage to the third equipment, so that the second equipment and the third equipment can maintain normal working states.

The utility model discloses a valve assembling press machine which comprises a base, a supporting frame is fixed to the side edge of the base, a gear is transversely arranged on the supporting frame in a penetrating mode, a rotating seat is fixed to the outer side of one end of the gear, a pressing handle is arranged on the rotating seat in a penetrating mode, and a bolt is installed on the outer side of the other end of the gear. A toothed bar is vertically arranged on the supporting frame in a penetrating mode and connected with the gear in an engaged mode, a connecting rod is fixed to the lower end of the toothed bar, a rotating frame is connected to the connecting rod through a bearing, an extrusion head is installed on the lower side of the rotating frame, a limiting sleeve is fixed to the connecting rod, a clamping block is arranged on the limiting sleeve, and a rotating frame is connected to the lower end of the clamping block. And the connecting rod is arranged at the lower end of the toothed bar, the rotating frame capable of rotating is arranged on the connecting rod, and the multiple extrusion heads are arranged on the lower side of the rotating frame, so that the extrusion heads can be rapidly replaced, the press machine can conveniently meet the requirement for matched connection between different valve parts, and the valve assembling work efficiency is effectively improved.

The present invention proposes a dissolved oxygen compensator and method for a fidelity sampling system of abyssal amphipods, belonging to the field of fidelity sampling of deep-sea organisms. The invention solves the problem that the traditional fidelity sampling system of deep-sea organisms cannot compensate for dissolved oxygen. A sampling dissolved oxygen compensator comprises: a gas exchange chamber, in which an aeration membrane assembly and a deep-sea pump assembly are sealed and arranged, the deep water pump inlet of the deep-sea pump assembly passes through the outer wall of the gas exchange chamber and is connected to the sample chamber, the deep water pump outlet of the deep-sea pump assembly is connected to the inlet end of the aeration membrane assembly, the aeration membrane assembly is used to unidirectionally dissolve the oxygen in the gas exchange chamber into the seawater flowing in the aeration membrane assembly, and then transport the seawater to the sample chamber under the pumping action of the deep-sea pump assembly; a pressure balance chamber, a second piston separates the pressure balance chamber into a first chamber and a second chamber, the first chamber is connected to the gas exchange chamber, and the second chamber is connected to the sample chamber. It is mainly used for compensation of dissolved oxygen during deep-sea sampling.

The utility model relates to the technical field of environmental protection equipment, in particular to a waste gas treatment device and an environmental protection box, which comprise a box body, a gas inlet pipe arranged at one end of the box body, an exhaust pipe arranged at the other end of the box body, a stand column arranged at the lower end of the exhaust pipe, a double-head motor arranged inside the box body, and threaded rods respectively arranged at two ends of the double-head motor, a water pump is arranged at the lower end of the spray head; a plurality of mounting plates are arranged at the upper end of the exhaust pipe, pull blocks are arranged in the mounting plates, springs are arranged at the lower ends of the pull blocks, clamping blocks are symmetrically arranged on the two sides of the springs, and clamping grooves are slidably connected to the outer walls of the clamping blocks; according to the waste gas treatment device, a double-head motor is arranged to enable a spray head to uniformly spray water into the box body to carry out dust falling treatment on waste gas, a plurality of mounting frames which are easy to disassemble are arranged in an exhaust pipe, so that the waste gas treatment device can be in a normal working state for a long time, and secondary pollution is avoided while the waste gas is treated.