11results about How to "Avoid swapping" patented technology

The utility model relates to mechanical equipment field discloses a cooling water spraying device for styrene storage tank, including the jar body, the outer wall fixedly connected with fixed block of jar body, the inner wall fixedly connected with the direct current pipe of fixed block, the top fixedly connected with ring pipe of direct current pipe, the inner wall fixedly connected with a plurality of spraying mechanism of ring pipe, the outer wall fixedly connected with a plurality of support of jar body, the outer wall fixedly connected with strengthening mechanism of jar body, the spraying mechanism includes the connecting pipe, the outer wall fixedly connected in the inner wall of ring pipe of connecting pipe, the bottom fixedly connected with the base of connecting pipe, in the utility model, through the motor of starting the inner wall of sliding block, motor drive force drives gear to rotate, under the cooperation of inner and outer rack plate of the inner wall of base, gear rotation drives sliding block to move in the base, and connecting column and connecting plate cooperate transmission force.

This invention provides a single-atom palladium-modified hierarchical porous molecular sieve adsorbent, its preparation method, and its application, comprising the following steps: S1. Adding a palladium complex to a molecular sieve gel and mixing evenly; S2. Crystallizing the product obtained in step S1 at a certain temperature for a certain time, and then washing, drying, and calcining to obtain the single-atom palladium-modified hierarchical porous molecular sieve adsorbent. In the preparation method of this invention, the palladium complex is used simultaneously as both a palladium source and a pore-forming agent, enabling the in-situ synthesis of the single-atom palladium-modified hierarchical porous molecular sieve adsorbent via a one-step method. The palladium species are anchored at ion exchange sites in an isolated single-atom ionic state, resulting in more effective adsorption sites with a more uniform distribution and higher NO content. x capacity.

The present application relates to the field of biological sample collection device, in particular to a biological sample collection information tracing device, comprising: a tube body for storing biological samples; a sealing tube cover detachably installed at the opening of the tube body; a trigger component arranged between the tube body and the sealing tube cover; a clock chip cooperating with the trigger component to determine the opening time of the sealing tube cover; a memory for storing the opening time detected by the trigger component; a near field communication module for transmitting the opening time stored in the memory to a reading device; a microcontroller for processing the state of the trigger component to determine whether the sealing tube cover is opened and transmitting the information of the opening time to the memory; a circuit board for connecting the trigger component, the clock chip, the memory, the near field communication module and the microcontroller. The present application realizes the digitization and objective tracing state of the biological sample as soon as it is collected from the outside.

A method and apparatus for performing channel access for a non-primary channel based on a handover timer in a wireless LAN system are presented. Specifically, a receiving STA receives a first management frame from a transmitting STA. And the receiving STA sends the second management frame to the sending STA. After expiration of the switching timer, the receiving STA performs channel access for the first non-primary channel.

The utility model discloses a spectrometer. The spectrometer comprises a shell, an interferometer module, an out-of-cabin front light path element, an out-of-cabin rear light path element and a detector module. The shell comprises a core bin and a functional bin which are sealed and isolated, an interferometer module is arranged in the core bin, and an out-bin front light path element, an out-bin rear light path element and a detector module are arranged in the functional bin. The out-of-bin front light path element emits light from a light source into the core bin, and the interferometer module receives the light from the out-of-bin front light path element; and emergent light of the interferometer module is emitted out of the core bin and is emitted to the detector module through the rear light path element outside the core bin. Therefore, related elements are located in the functional bin and the core bin respectively, the functional bin is isolated from the core bin, impurities (such as dust) are prevented from being exchanged between the functional bin and the core bin, the waterproof and dustproof effects are achieved, and the impurities cannot affect optical elements in the core bin and the functional bin.

The utility model discloses an air tap for cold and hot air perfusion, a vestibular cold and hot stimulator and a cold and hot air perfusion system, the air tap for cold and hot air perfusion comprises an air tap body and an extension tube arranged on the air tap body; an air inlet channel communicated with the extension tube is arranged in the air tap body, the extension tube can be inserted into the external auditory canal of a patient, and the far end of the extension tube can extend to the position close to the tympanic membrane of the patient. The vestibular cold and hot stimulator comprises a gas transmission handle and the gas nozzle for cold and hot gas perfusion. The cold and hot air perfusion system comprises the vestibular cold and hot stimulator. By adopting the technical scheme, the extension tube can go deep into an external auditory canal to be close to a tympanic membrane, cold and hot gas is directly conveyed, temperature and flow are ensured to accurately reach a target position, energy loss is reduced, and the accuracy of vestibular stimulation and diagnosis reliability are improved.

The utility model discloses a drainage tube conveying device and endoscope equipment, and belongs to the technical field of medical instruments.In the drainage tube conveying device, an electrode assembly is connected to the far end of a catheter, and a drainage tube body is arranged on the periphery of the catheter in a relatively movable and sleeving mode; the electrode assembly can be switched between the unfolded state and the contracted state, so that the electrode assembly can establish a channel through target tissue in the unfolded state, and after the drainage tube body arranged on the periphery of the catheter in a sleeving mode is fed into the target tissue, the electrode assembly can be contracted into an inner cavity of the drainage tube body; and the drainage tube body is withdrawn through the inner cavity of the drainage tube body, so that the drainage tube body is left in the target tissue. The electrode and the drainage tube do not need to be operated in a split mode in a traditional operation, exchange of two instruments is avoided, and therefore the problems of tissue fluid leakage and positioning deviation caused by instrument exchange can be avoided, the risk of operation failure is remarkably reduced, and the safety and success rate of the operation are improved.

The application provides an underwater hydraulic hoist, which comprises a hydraulic cylinder, a piston rod and a power assembly, the piston rod extends out of the hydraulic cylinder to form an outer acting part, further comprises a flexible protection assembly and a filter assembly, the flexible protection assembly, the hydraulic cylinder and the outer acting part are sealingly connected to form a flexible bin, and the flexible bin is in communication with the filter assembly. The filter assembly comprises a filter, the filtering-out end of the filter is sealingly connected with the flexible bin, and a check valve is arranged at the filtering-in end. A breathing pipe is arranged in a cable assembly. The underwater hydraulic hoist provided by the application can ensure that the outer acting part of the piston rod is separated from the external dirty water body through the flexible protection assembly and the filter assembly, and prevent the piston rod from being damaged or leaking due to scaling and the like. The application has the advantages of simple structure, reliable operation, convenient installation and the like.

This invention discloses a federated learning method, apparatus, and device for multi-base station unmanned vehicles. The method includes: first, constructing a base station set and an unmanned vehicle set; second, constructing a first edge model and an initial global network model; third, broadcasting the first edge model to each unmanned vehicle; fourth, training each local model of each unmanned vehicle to obtain update parameters for each local model; fifth, compressing the update parameters of each local model and uploading them to the corresponding base station for aggregation to obtain a second edge model; sixth, replacing the first edge model with the second edge model and returning to the third step. The third to fifth steps are repeated for the first time, and so on. When the b-th iteration is repeated, b = 2, 3, ..., E-1, the (b+1)-th edge model is replaced with the b-th edge model and the process returns to the third step until the target edge model is obtained. The target edge models are then aggregated to obtain a high-performance target global network model.

This utility model discloses a temperature-controlled refrigerated display cabinet based on copper tube refrigeration, relating to the technical field of refrigerated display cabinets. It includes a cabinet body and ventilation holes. The cabinet body has an electrical box fixed to its bottom surface, a compression refrigeration module placed inside the bottom surface of the electrical box, and a shell fixed to the top surface inside the electrical box. A copper tube evaporator is installed inside the shell, and a base is connected to both ends of the front side of the shell. A fan is placed inside the base. The copper tube evaporator and the compression refrigeration module are connected via tubes. This temperature-controlled refrigerated display cabinet based on copper tube refrigeration significantly improves the durability and reliability of the equipment by using a corrosion-resistant copper tube evaporator core. Combined with an intelligent temperature-controlled curtain and air curtain system, it effectively isolates the exchange of internal and external air, achieving precise temperature control and high energy efficiency. Sliding support rods allow for the placement of trays of different heights, thus improving the display effect of fresh food.

This invention provides a photovoltaic support bracket full lifecycle traceability device, system, and method based on passive sensing and digital twins. The traceability device includes a housing and a main control MCU module encapsulated within the housing, as well as a power management module, an EEPROM storage module, a sensor monitoring module, and an NFC communication module. The output of the power management module is connected to other modules to supply power. The main control MCU module is connected to the EEPROM storage module, the sensor monitoring module, and the NFC communication module respectively, controlling data acquisition, transmission, and storage, and is responsible for data scheduling. The EEPROM storage module stores UID, production batch, tamper-proof status bit, and historical environmental monitoring data. The sensor monitoring module monitors the ambient temperature, humidity, and stress state of the support bracket. The NFC communication module enables passive / semi-active near-field communication with a handheld terminal APP. This invention achieves "one item, one code" full-chain management from raw materials to end-of-life recycling, and realizes visualized management of project progress.