22results about How to "Guaranteed working condition" patented technology

This utility model provides a condenser tube sheet sealing testing device, relating to the field of non-destructive testing technology. It includes a movable plate, a housing, and a rotating component. Four sets of casters are installed at the lower end of the movable plate, and a fixing component is installed at the upper rear side of the movable plate. The fixing component has a circular hole on its inner side, and a gas storage tank is fitted inside the circular hole. A movable component is fitted through a groove on a partition plate. The movable component has a circular hole at its center end, through which the front end of a thin flexible tube passes. This design utilizes the circular hole of the movable component to provide support and positioning for the thin flexible tube, preventing excessive bending, twisting, or compression during use, thus extending the service life of the thin flexible tube. It also ensures the normal working condition of the thin flexible tube and prevents damage to the tube from affecting the test results. This solves the problem of excessive bending and twisting of the gas tube during use in existing condenser tube sheet sealing testing devices.

The utility model relates to the technical field of combustion equipment, and provides a low-nitrogen combustion device for flue gas recirculation, which comprises a circulation frame, a gas delivery pump and a secondary gas mixing mechanism, the circulation frame is provided with a venturi mixing tube group, the venturi mixing tube group is communicated with a uniform gas delivery mechanism for flue gas delivery, the gas delivery pump is mounted on the circulation frame, and the secondary gas mixing mechanism is mounted on the circulation frame. The gas outlet end of the gas conveying pump is communicated with one end of the Venturi mixing tube set through a gas conveying bent tube, and the secondary gas mixing mechanism is installed on the circulation frame, arranged in the Venturi mixing tube set in a penetrating mode and used for conducting secondary acceleration and mixing on gas in the Venturi mixing tube set. The low-nitrogen combustion device for flue gas recirculation solves the problem that in the prior art, when a low-nitrogen combustion device for flue gas recirculation circulates flue gas, the mixing efficiency of the flue gas and air is poor.

This application provides a display panel and a display device. The display panel includes an array substrate, which includes a substrate, a first type of conductive layer, and a heat-resistant structure. The heat-resistant structure is located on the side of the first type of conductive layer away from the substrate. The display panel also includes a first region and a second region. The metal distribution ratio corresponding to the first region is P1, and the metal distribution ratio corresponding to the second region is P2, where P1 is greater than P2. The first type of conductive layer includes a first type of metal layer, and the ratio of the projected area of ​​a portion of a unit region in the first type of metal layer on the substrate to the area of ​​that unit region is the metal distribution ratio. The heat-resistant structure is located in the first region and, along a direction perpendicular to the plane of the display panel, at least partially overlaps with the first type of metal layer. This design helps to shield the first type of metal layer distributed in the first region, reducing the risk of damage to the structural integrity of some devices.

The invention belongs to the technical field of dispensing machines, and particularly relates to an inpatient vital sign abnormity monitoring device and early warning system based on a multi-mode sensor, the inpatient vital sign abnormity monitoring device comprises a nursing bed, a mattress is laid on the nursing bed, a pressure sensor is arranged in the mattress, guardrails are arranged on the two sides of the nursing bed, one end of each guardrail is provided with a baffle, and the other end of each guardrail is provided with a pressure sensor. A baffle is arranged at the top of the monitor body, a lock piece is arranged at the end of the baffle, a lock hole corresponding to the lock piece is formed in the end of the guardrail, a monitoring assembly is arranged at the top of the baffle and comprises a placement table, and the placement table is arranged at the top of the baffle. It is ensured that the patient must wear the monitor main body when leaving the bed, and therefore the monitoring blank state caused by the fact that no equipment is worn is effectively avoided.

This utility model discloses a high-efficiency and energy-saving steam generator for pasta processing, including a support frame. A generating mechanism is mounted on the support frame. The generating mechanism includes a cylinder, a water tank, a water injection pipe, an external pipe, a material tank, and an outer cover. A pressure relief mechanism is located at the top of the cylinder. The pressure relief mechanism includes a support pipe, a pressure relief sleeve, an inlet pipe, a sliding rod, a sealing plate, a pressure spring, a contact ring, an adjusting sleeve, a rotating sleeve, a screw, a transmission sleeve, and a positioning mechanism. The support pipe is located on the top surface of the cylinder and connected to the water tank. The pressure relief sleeve is installed inside the support pipe, and the inlet pipe is located at the bottom of the pressure relief sleeve. When the steam pressure inside the cylinder is too high, the pressure pushes the sealing plate through the inlet pipe, overcoming the preset force of the pressure spring, thus forming a flow channel between the sealing plate and the inlet pipe, allowing the pressure to be released smoothly. At this time, the pressure relief sleeve discharges excess pressure, avoiding the risk of equipment damage or dangerous leakage due to excessive pressure in the steam generator.

The utility model provides a startup and shutdown driving control circuit and a physiotherapy instrument, which relate to the technical field of electronics and comprise a preset power supply, a charging management chip, a first switch unit, a second switch unit, a key switch, a rechargeable battery and a microcontroller, the preset power supply is respectively connected with a first power supply end of the charging management chip and a control end of the first switch unit, and the control end of the first switch unit is connected with a signal output end of the microcontroller; the second power end of the charging management chip is connected with the rechargeable battery through the power end of the second switch unit, the third power end of the charging management chip is connected with the power pin of the microcontroller, and the control end of the second switch unit is grounded through the power end of the first switch unit. The control end of the second switch unit is connected with one end of the key switch and the first signal input end of the microcontroller. According to the utility model, the problem that the battery can not be charged easily when the power consumption of the rear-end circuit is relatively high in the existing startup and shutdown is solved.

The utility model discloses a battery charging and discharging heating system, which comprises a heating module, a heating control module and a temperature detection module, the corresponding end of the heating control module is electrically connected with the corresponding end of the heating module and the corresponding end of the temperature detection module. Wherein the heating control module is used for controlling the heating temperature of the heating module, and the temperature detection module is further electrically connected with the corresponding end of the heating module and used for detecting the heating temperature of the heating module and feeding back the heating temperature to the heating control module; the heating module comprises a charging and discharging heating circuit; the charging and discharging heating circuit comprises a battery pack, a heating sheet, a heating and charging control circuit and a charger; the corresponding end of the battery pack is electrically connected with the heating piece and the corresponding end of the charger, and the corresponding end of the heating and charging control circuit is electrically connected with the heating piece and the corresponding end of the heating control module.

This invention relates to the field of antenna protection technology, and more particularly to an easy-to-install antenna protective cover. It includes: a base with a rubber pad embedded in its lower part; a protective shell rotatably connected to the base; symmetrically distributed first ventilation openings on the lower part of the protective shell; a guide rod fixed inside the protective shell; and symmetrically distributed first and second baffles slidably connected to the guide rod; a winding frame rotatably connected inside the protective shell; and a winding wheel located below the winding frame. Connecting ropes are provided between the first baffles and the winding frame, and between the second baffle and the winding wheel. This invention, by adjusting the positions of the first and second baffles, allows the gas inside the protective shell to exchange with the outside environment when the external wind speed is low. This allows the flowing gas to carry away the heat generated by the antenna, ensuring the normal operation of the antenna.

The utility model relates to rotary damper technical field discloses a big torque limited angle metal damper, including the shell, the inside fixed connection of shell has two reinforcing ribs no.

The utility model discloses a rapid liquid level measuring device based on a temperature control element. The rapid liquid level measuring device comprises at least one liquid level measuring ruler and a data recording and processing device, the liquid level measuring scale comprises a substrate, at least one thermocouple anode, a thermocouple cathode, a data transmission male port and a horizontal adjusting device, the thermocouple anode and the thermocouple cathode are arranged on the surface of the substrate; the thermocouple anode and the thermocouple cathode are connected with the data transmission male port; the horizontal adjusting device is used for enabling the liquid level measuring ruler to be perpendicular to the measured liquid level. The data recording and processing device is used for recording data measured by the liquid level measurement value and sending the data to the outside at the same time; the data recording and processing device comprises a data transmission female port, a sensitive micro voltmeter, a timing reset button and a heat insulation shell; the data transmission female port is detachably connected with the data transmission male port; a temperature control element is arranged at each joint of the thermocouple anode and the thermocouple cathode; and the temperature control element is electrically connected with the data recording and processing device.

The utility model relates to the technical field of scrap iron recovery, in particular to a screening device for scrap iron recovery, which comprises a base, fixing strips symmetrically and fixedly mounted at the upper end of the base, a collecting box slidably mounted in the base, a driving motor fixedly mounted on the fixing strip on the left side, and a rotating shaft fixedly mounted at the output end of the driving motor. The two ends of the rotating shaft are rotationally installed in the two fixing strips correspondingly, and cleaning mechanisms are fixedly installed at the opposite ends of the two fixing strips correspondingly. And the cleaning mechanism comprises fixing discs, the two fixing discs are fixedly installed at the opposite ends of the two fixing strips correspondingly, second feeding openings are formed in the two fixing discs correspondingly, through the synergistic effect of cleaning cotton strips and cleaning brushes, a double-protection mechanism for screen cleaning is formed, the cleaning cotton strips prevent dust attachment, the cleaning brushes solve iron scrap blockage, and the cleaning efficiency is improved. The working state of the screen is guaranteed from different angles, the fault probability caused by blockage and dust accumulation of the screen is reduced, and the operation stability and reliability of equipment are improved.

The utility model discloses a tail gas recovery device in the production process of preparing tetrahydrofuran from LBDO, and relates to the technical field of tail gas recovery. The filter comprises a filter box, a vibration filter mechanism and an auxiliary mechanism are arranged on the filter box, the vibration filter mechanism comprises a rotating shaft rotationally connected into the filter box, the front side of the rotating shaft extends out of the filter box, a motor support is fixedly connected to the front side of the filter box, a motor is fixedly connected to the motor support, and the auxiliary mechanism is fixedly connected to the motor. An output shaft of the motor is fixedly connected with the rotating shaft through a coupler, the auxiliary mechanism comprises a partition door hinged to the left side of the filter box, and a handle is fixedly connected to the outer wall of the partition door. According to the tail gas recovery device, the vibration filtering mechanism is arranged, so that the problems that in the using process of an existing tail gas recovery device in the production process of preparing tetrahydrofuran from LBDO, large particles exist in tail gas, a filter screen is prone to being blocked, the tail gas filtering speed is reduced, and the tail gas recovery efficiency is affected are solved.

This application discloses a drowsiness alarm method and system based on facial detection, relating to the field of drowsiness alarms. It includes a work data acquisition module, a data detection module, a preliminary analysis module, a tracking and monitoring module, and a comprehensive analysis module. By collecting facial data from a visual camera, it provides a scientific data foundation for drowsiness alarm analysis, helping to constantly remind security personnel to be alert. Through analysis of the target worker's facial data, as well as their blinking and yawning data, the system effectively analyzes the target worker's drowsiness state and provides a reference for subsequent analysis of drowsiness alarms. This effectively improves the accuracy and effectiveness of drowsiness alarms, ensuring that the worker maintains their work status while promptly preventing errors.

This invention discloses a nozzle atomizing device for preparing spherical metal powder, belonging to the field of metal powder technology. The nozzle of this invention features an optimized internal flow channel structure and is made of high-temperature resistant material, which improves the quality and consistency of the metal powder. It includes a molten metal container; a stepped liquid guide tube connected to the outlet of the molten metal container; an inner nozzle with multiple circular holes arranged in a ring below the outlet of the stepped liquid guide tube; and an ultrasonic atomizing device. This invention employs a two-stage device with different structures, an optimized combination of injection angle and a stepped liquid guide tube, achieving a dual, strong atomization effect from the nozzle, which is beneficial for obtaining metal powder with good sphericity and high fine powder yield. The gas atomizing nozzle of this invention is suitable for the production of metal powder, especially in the field of additive manufacturing.

The utility model discloses a valve assembly device, include: main unit, it includes work table and with the matching installation of protection cover, assembly unit, the utility model turns over protection cover, places the valve at work table top, rotates knob, drives the rotation of first bevel gear, drives the rotation of second bevel gear with it meshing, and then drives the rotation of bidirectional screw rod, and the T -shaped block of bidirectional screw rod both ends screw connection moves to the middle under the limit of sliding slot, drives the close -up clamping plate of being connected to be close to the valve and steady clamping fixed, greatly facilitates the subsequent assembly work, solves the valve assembly process, and work table is short of clamping, and manual fixing is complicated and is easy to make mistake, and the problem of influence assembly efficiency and accuracy, in addition, the bottom of sliding slot is equipped with close open subassembly, can close bottom end and prevent the invasion of impurities, wear bidirectional screw rod, can also open when checking or adding lubricating oil, guarantee bidirectional screw rod normal work.

A multi-degree-of-freedom gravity compensation robot comprises a mounting base, a mechanical arm mounted on the mounting base, the mechanical arm comprising a base arm and an operating arm connected with each other in rotation, the base arm and the operating arm each comprising a plurality of shaft bodies connected in sequence along an axial direction thereof, each shaft body corresponding to a degree of freedom, and each shaft body further being drivingly connected with a driving device; a limiting assembly is arranged at a connection between the base arm and the operating arm, for limiting a rotation angle between the base arm and the operating arm, preventing the mechanical arm from being damaged due to overlarge action or surrounding equipment; a gravity compensation module is further arranged at the base arm, effectively balancing the gravity of the mechanical arm, significantly improving the stability of the mechanical arm in operation, and reducing the power of the driving device in operation; a controller is further included, the controller being signal-connected with each driving device, the controller controlling the movement of each shaft body by controlling each driving device, realizing multi-degree-of-freedom adjustment of the mechanical arm, and improving the operation precision, flexibility and safety of the mechanical arm.

The application relates to a temperature control system for energy storage 1C charging and discharging and a control method thereof. The temperature control system comprises at least one cooling module, a battery compartment temperature control module and an environment monitoring module. The cooling module is used for cooling multiple cluster battery modules. The cooling module and the battery compartment temperature control module are both signal-connected with the environment monitoring module. The cooling module comprises a first liquid cooling mechanism and a first liquid cooling pipeline assembly. The battery compartment temperature control module comprises a second liquid cooling mechanism, a second liquid cooling pipeline assembly and a refrigeration mechanism. The first liquid cooling pipeline assembly and the second liquid cooling pipeline assembly are communicated through a third liquid cooling pipeline assembly. The control method is applied to the above-mentioned temperature control system. The temperature control system cools the multiple cluster battery modules through the cooling module, adjusts the temperature of the battery compartment through the refrigeration mechanism, reduces the outlet water temperature of the second liquid cooling mechanism, increases the temperature difference with the environment temperature, and makes the moisture in the air condense and dew on the refrigeration mechanism, so that the humidity in the battery compartment is effectively reduced.

The utility model provides an electrode bar device for geophysical exploration electrical method operation, which comprises an electrode bar main body, a hoop is arranged on an annular groove arranged on the side surface of the electrode bar main body through a fixing piece, the top of the electrode bar main body is electrically connected with a wire, and one end of the wire far away from the electrode bar main body is fixedly provided with a joint. A middle plate is welded to the side wall of the clamping hoop, a winding roller piece is fixed to the side wall of the middle plate, and a notch matched with a wire is formed in the winding roller piece. The winding roller is arranged on the side wall of the hoop, a wire can be manually wound on the winding column after exploration is completed, effective storage of the wire is achieved, disorder of the wire is avoided, carrying is convenient, the wire is well protected, the wire is prevented from being damaged in the carrying process, and the service life of the wire is prolonged. Meanwhile, the wound wire can be clamped and fixed through the opening formed in the winding roller piece, and it is further ensured that the wire cannot be scattered in the carrying process.

The application discloses a power transmission tower righting and reinforcing device and a construction method thereof, a supporting plate is arranged at the bottom of a tower body, a pre-buried sleeve in a pre-buried seat and a connecting assembly are matched to complete reinforcing butt joint, hierarchical buffer adaptation of structural stress is realized by relying on a rubber ring and a copper annular block, fine leveling of the inclination angle of the tower is completed by a two-stage adjusting structure matched by a main push rod and a vice push rod, a stable structure is arranged in the supporting base to realize autonomous fixing during operation, a protective structure is arranged outside to shield, discharge and protect the connecting components, the device has strong structure adaptability, can adapt to different degrees of foundation settlement working conditions, can effectively improve the tower righting precision and the connection stability, and is suitable for righting and reinforcing operation and maintenance of various outdoor power transmission towers; and solves the problems of poor structural stress adaptability, low calibration precision and insufficient protection performance of the existing tower righting structure.

The utility model relates to the technical field of agricultural mechanical equipment, in particular to an anti-blocking support for a grid plowshare assembly, which comprises a fixing device, a grid plowshare body is fixedly mounted on the side surface of a plow body bracket, an anti-blocking support body is arranged on the side surface of the grid plowshare body, and the fixing device comprises a stud, a connecting rod and a connecting rod. A first inner cavity and a second inner cavity are formed in the inner surface of the stud, a round rod is arranged on the inner surface of the first inner cavity, a spring and a receding groove are arranged on the inner surface of the second inner cavity, the receding groove is formed in the outer surface of the stud, a pressing plate is fixedly mounted at the bottom end of the round rod, and a mounting groove is formed in the end, close to the pressing plate, of the outer surface of the round rod. The anti-blocking bracket has the beneficial effects that the anti-blocking bracket body is effectively prevented from loosening under severe working conditions such as vibration and impact, safety accidents caused by connection failure are avoided, stable connection of the anti-blocking bracket is ensured, the normal working state of a plowshare assembly is kept, and equipment is prevented from being damaged.

The invention discloses a protection circuit and a band-gap reference circuit, the protection circuit is used for a to-be-protected circuit, the to-be-protected circuit comprises an input stage unit and an output stage unit, the output stage unit comprises a weak driving module, an auxiliary module and an output module, and the protection circuit comprises a first protection unit and a second protection unit. According to the protection circuit and the band-gap reference circuit, when the power supply generates negative noise interference, the first protection unit cuts off the path between the input stage unit and the power supply voltage, so that the power supply voltage of the input stage unit is maintained to be higher than the lowest working voltage required by the input stage unit in a short time; the input stage unit is ensured to be in a normal working state; for an output stage unit with an intermediate filtering node, the weak driving node is helped to be established to a correct level more quickly in the recovery process of the power supply voltage in a mode of locking the weak driving node charge by using a second protection unit.

The utility model relates to sanding device technical field especially, it relates to a kind of intelligent protection pressure-increasing type sanding device with anti-freezing coating.It includes intelligent pressure-increasing valve body, and the output end of intelligent pressure-increasing valve body is provided with sand conveying pipe, and the other end of sand conveying pipe is provided with output pipe, and the other end of output pipe is provided with protection pipe, and the inner wall of intelligent pressure-increasing valve body, sand conveying pipe and protection pipe is all provided with anti-freezing coating, the anti-freezing coating (preferably super-hydrophobic nanometer material) of the utility model can reduce the adhesion of moisture in the inner wall of intelligent pressure-increasing valve body, sand conveying pipe and protection pipe, reduce the possibility of water vapor freezing from source, avoid sand and gravel to be jammed pipeline due to frozen and consolidated, ensure that sanding passage is unobstructed.