26results about How to "Reduce operating frequency" patented technology

An ultra-wideband end-fire antenna with a common aperture embedded in a metal carrier includes a metal cavity with a coaxial cable compartment on one side. A radiator module is connected to the bottom of the metal cavity via a radiator fixing slot. The radiator module includes a common aperture antenna substrate. A low-frequency radiator is printed on the side of the common aperture antenna substrate closer to the coaxial cable compartment, and a high-frequency radiator is printed on the side farther from the coaxial cable compartment. This invention utilizes a dual-band antenna in a common aperture design to enhance the channel capacity and anti-fading capability of the communication system. At the same time, by achieving the antenna's carrier conformal characteristics, high isolation, and miniaturization, it enriches the antenna's application scenarios and improves the overall performance of the communication system.

The patent relates to the technical field of tobacco, and particularly relates to a conveying system for a paper-process sheet drying oven and the paper-process sheet drying oven. The conveying system comprises a conveying device, a first deviation rectifying device and a second deviation rectifying device. The first deviation rectifying device and the second deviation rectifying device are both used to provide displacement in a deviation rectifying direction to the conveying belt, the deviation rectifying direction is perpendicular to the length direction of the conveying belt, the distance between the first deviation rectifying device and the end driving roller is not greater than 10%, 20% or 25% of the length direction size of the transmission assembly, and the second deviation rectifying device is arranged substantially symmetrically to the middle line of the transmission assembly in the length direction of the first deviation rectifying device. The patent can better solve the deviation problem of the conveying belt, save labor cost, improve production efficiency and reduce the labor intensity of the operator. The deviation rectifying frequency of the first deviation rectifying device and the second deviation rectifying device is lower during the working process, and the first deviation rectifying device and the second deviation rectifying device are more suitable for deviation rectifying of long-distance belt conveying systems and have a longer service life.

The in-situ dual-axis three-stage soil remediation device includes a vehicle body, chassis, tracked walking device, cab, power system, hydraulic station, lifting frame, and dual-axis soil breaking and mixing three-stage drilling device. The cab is located at the front left of the vehicle body, the power system is located at the rear of the vehicle body, the hydraulic station is located on the left side of the vehicle body, and the lifting frame is located at the upper-middle front of the vehicle body. The dual-axis soil breaking and mixing three-stage drilling device is mounted on the lifting frame. The power system provides power to the tracked walking device and hydraulic station through a power reduction gearbox, and the hydraulic station provides hydraulic power to the lifting frame and the dual-axis soil breaking and mixing three-stage drilling device. This invention uses a three-stage drill bit that integrates breaking and mixing, which can effectively scan and break soil particles layer by layer and fully mix the soil and chemical particles. Dual-axis operation allows for two soil remediation operations to be performed at the same time, effectively improving work efficiency, reducing operation frequency, and reducing energy consumption.

This invention provides an adsorption device for hydrogen peroxide oxidation tail gas, comprising an adsorption tank, an inner filter cartridge, an outer filter cartridge, an adsorption chamber, several air inlets, an adsorption resin layer, an inlet pipe, and an outlet pipe; both the inner and outer filter cartridges are located inside the adsorption tank. This invention optimizes the traditional "flat-lay" structure into a "sleeve-type" coaxial double-layer filter cartridge structure, improving the contact efficiency between the tail gas and the resin, preventing the resin from being blown away or worn, extending its service life, and simplifying the filling process. The elimination of quartz sand filler also simplifies the filling process. The system adopts a "five-in-one-out" operating mode, enabling multiple adsorption tanks to operate in rotation. Combined with steam regeneration, nitrogen purging, and spray cooling processes, it achieves efficient resin regeneration and reuse, significantly reducing operating energy consumption and material replacement frequency. The adsorption system operates stably, has a compact structure, and can continuously and efficiently remove aromatic organic pollutants from the oxidation tail gas, balancing operational economy and environmental friendliness.

The utility model discloses an air door of a mine return air duct, which belongs to the technical field of non-pressure air doors, solves the problems that the existing air door of the mine return air duct is short in service life and difficult to disassemble and assemble, and comprises a crank arm door leaf and a connecting door leaf which are connected through a locking bolt. Inclined pull reinforcing ribs and transverse lining ribs are arranged on the leeward sides of the crank arm door leaf and the connecting door leaf, a reinforcing rib plate is arranged at the joint of the crank arm door leaf and the outside, a connecting sleeve is arranged on the reinforcing rib plate, and connecting positioning cylinders are arranged on the windward sides of the crank arm door leaf and the connecting door leaf and are connected through Z-shaped pins. The utility model has the characteristics of strong bearing capacity, long service life and easiness in disassembly and assembly, and can adapt to complex working conditions of the mine return air duct.

The utility model provides a kind of air quality detection equipment for metal smelting environment evaluation, comprising: box;Driving assembly, the driving assembly includes drive motor, the drive motor is suspended in the box inside.The air quality detection equipment for metal smelting environment evaluation provided by the utility model is mutually matched by ventilation pipe, fan, first gas pipe, second gas pipe, shunt component, driving assembly and filter component etc. structure, when using, left and right sides ventilation hood alternate work, cooperate filter screen, both can continuously collect air sample to detect, and when ventilation hood switches working state, utilize airflow to carry out automatic cleaning to filter screen, avoid the problem that filter screen is jammed due to dust accumulation and influence ventilation volume and detection accuracy, improve the detection accuracy of detection equipment;And this automatic cleaning filter screen design reduces the working frequency that staff regularly cleans filter screen, reduces the labor intensity and maintenance cost of staff.

Embodiments of the present application provide a kind of data processing method, device, equipment, storage medium and program product, wherein the method comprises: obtaining the equipment information reported by multiple metering instruments according to predefined time interval, and each equipment information is transformed, and the structured information flow corresponding to each metering instrument is obtained;According to the structured information flow corresponding to each metering instrument, perform time sequence verification operation;According to time sequence verification result and each structured information flow, generate time sequence data block, and send the time sequence data block to database, to make the database store the time sequence data in the time sequence data block;Wherein, the time sequence data block contains the ordered data set of the structured information with time sequence of each metering instrument.The embodiments of the present application can reduce the high cost caused by using high-end hardware materials, and improve data storage efficiency.

The application discloses a nonlinear compact metamaterial structure for enhancing sound sensing and sound source positioning, and relates to the technical field of sound sensing enhancement. The application discloses a nonlinear compact metamaterial structure for enhancing sound sensing and sound source positioning, and relates to the technical field of sound sensing enhancement. The application discloses a nonlinear compact metamaterial structure for enhancing sound sensing and sound source positioning, and relates to the technical field of sound sensing enhancement. The application discloses a nonlinear compact metamaterial structure for enhancing sound sensing and sound source positioning, and relates to the technical field of sound sensing enhancement. The application discloses a nonlinear compact metamaterial structure for enhancing sound sensing and sound source positioning, and relates to the technical field of sound sensing enhancement. The application discloses a nonlinear compact metamaterial structure for enhancing sound sensing and sound source positioning, and relates to the technical field of sound sensing enhancement. The application discloses a nonlinear compact metamaterial structure for enhancing sound sensing and sound source positioning, and relates to the technical field of sound sensing enhancement. The application discloses a nonlinear compact metamaterial structure for enhancing sound sensing and sound source positioning, and relates to the technical field of sound sensing enhancement. The application discloses a nonlinear compact metamaterial structure for enhancing sound sensing and sound source positioning, and relates to the technical field of sound sensing enhancement. The application discloses a sound sensing and sound source positioning device.

The utility model discloses a novel installation structure transformer bushing which comprises a porcelain bottle and a conducting rod arranged on the inner side of the middle of the porcelain bottle, the tail end of the upper side of the conducting rod is provided with a wiring terminal, the tail end of the lower side of the conducting rod is provided with a connecting nut, and the joint of the porcelain bottle and the tail end of the lower side of the conducting rod is provided with an American transformer flange. The bushing can automatically release overhigh air pressure in the bushing through an automatic deflation function, prevents a porcelain bottle from being broken due to overhigh pressure, avoids possible safety accidents such as electric leakage and short circuit, protects the safety of equipment and personnel, can adjust the internal pressure in time, can reduce the equipment fault probability caused by the pressure problem, and improves the working efficiency. According to the utility model, the operation of the transformer bushing is more stable and reliable, the continuity of power transmission is ensured, the damage of abnormal pressure to porcelain bottles and other parts is avoided, the service lives of the transformer bushing and the whole transformer equipment are prolonged, and the maintenance and replacement cost of the equipment is reduced.

The invention relates to a drainage scheduling device and a drainage method for a water pump group in a cofferdam, relates to the field of water conservancy project management, effectively solves the problems that drainage of the water pump group in the cofferdam lags behind, pressure fluctuation is large, and water drainage is not intelligent, realizes water flow pressure stabilization, shunting scheduling and turbidity control, and improves drainage safety and efficiency. According to the technical scheme, the system comprises a computer control system which is used for receiving various monitoring signals and outputting an execution instruction according to control logic to drive related equipment; an electric butterfly valve is arranged on the surface of the water inlet short pipe; the surface of the connecting pipe is connected with a differential pressure sensor through a steel pipe, and the connecting pipe is used for collecting water flow pressure signals in real time; a switching valve is arranged at the bottom of the shunting pipe; the computer control system controls opening and closing of the switch valve according to signals collected by the differential pressure sensor, and therefore water flow is guided into a water collecting pipe arranged at one end of the flow dividing pipe.

This invention provides an ammonia oxidation device for ammonia desulfurization, belonging to the field of ammonia desulfurization technology. It includes a support frame, with an ammonia addition mechanism, a processing mechanism, and an oxidation mechanism fixedly installed on the top surface of the support frame. The generation of large-particle crystals reduces crystal adhesion and blockage within the equipment, lowering maintenance costs and operational failure rates. This invention separates the ammonia addition point from the oxidation tank, establishing an independent ammonia addition tank, thus completely separating the ammonia addition and oxidation processes. The ammonium sulfite solution in the absorbent after ammonia addition can better react with SO₂ in the flue gas during absorption, avoiding the problem of uneven stratification between the absorbent and oxidation liquids in traditional integrated ammonia oxidation devices. This significantly improves SO₂ absorption efficiency, effectively reducing the SO₂ emission concentration in the flue gas and meeting increasingly stringent environmental protection requirements.

The utility model discloses a water pressure adjustable denture fine cleaning device which comprises a water storage tank, a water supply assembly and a plurality of cleaning boxes, a pressurization assembly communicated with an inner cavity of the water storage tank is installed on the outer side of the water storage tank, a water outlet pipe communicated with the inner cavity of the water storage tank is installed at the bottom of the water storage tank, and a main valve is installed on the water outlet pipe. A flow guide pipe is installed at the end, away from the water storage tank, of the water outlet pipe, and a plurality of flow dividing pipes communicating with an inner cavity of the flow guide pipe are installed on the side face of the flow guide pipe. According to the water-pressure-adjustable denture fine cleaning device, a flowing water flushing mode is adopted for performing fine cleaning on dentures, the flushing water pressure can be adjusted according to the glazing, repairing and solidifying states of the dentures and the like, and the phenomenon that colored glaze and repaired parts fall off due to cleaning is avoided; the denture cleaning device is used for cleaning a plurality of dentures and avoiding friction and collision among the dentures in the cleaning process, and the water pressure in the plurality of cleaning boxes can be adjusted simultaneously or independently.

The application discloses a tower type photo-thermal power generation coupling system based on a full vanadium liquid flow battery energy storage, which comprises a photo-thermal power generation part and an energy storage power station part, wherein the photo-thermal power generation part comprises a photo-thermal assembly, a heat transfer assembly, a steam generator and a steam power generation assembly, and the energy storage power station part comprises a positive electrolyte storage tank, a negative electrolyte storage tank, a positive input pipeline, a negative input pipeline and a working electric pile; the double power supply design is adopted, the photo-thermal power generation supply is mainly used, the power grid supply is used as a supplement when the photo-thermal power generation does not work at night, and the power supply reliability is increased; the photo-thermal power generation system is arranged around the energy storage power station, the ambient temperature around the energy storage power station can be reduced, the operation frequency of the refrigeration equipment of the energy storage power station can be reduced in summer, and the system power consumption is reduced; if power failure occurs due to extremely cold weather, the heating working medium of the photo-thermal power generation system can provide a heat preservation supplement to the electrolyte storage tank of the energy storage power station through the pipeline, and the continuous operation of the energy storage power station is ensured.

The invention relates to an air conditioner control method, an air conditioner, air conditioner control equipment and a storage medium, and the method comprises the steps that target parameters are obtained, and the target parameters comprise the air suction temperature and / or air suction pressure on an air suction pipeline of the air conditioner; under the condition that it is determined that the air conditioner has the liquid impact risk based on the target parameters, the opening degree of an electronic expansion valve is reduced so that wet steam entering a compressor can be reduced, and an electromagnetic regulating valve is opened so that the wet steam can enter a crankcase through a bypass branch; and the operation frequency of a compressor in the air conditioner is reduced, and an electric heating element of the gas-liquid separator is controlled for heating. By means of the gas-liquid separator, the problem that in the prior art, only a gas-liquid separator is adopted for reducing liquid backflow, and the effect of reducing the liquid impact risk is poor is solved.

The application discloses a nitromethane continuous distillation device, and relates to the technical field of nitromethane separation.The application has the advantages that the distillation device body is provided with an outer cylinder and an inner cylinder connected in sequence from the outside to the inside at the rear end of the distillation device body, a jacket is connected to the outer wall of the outer cylinder, and a hollow roller shaft is rotatably connected to the inner wall of a through hole in the middle of the distillation device body.The device adopts a double heating mode, significantly improves the uniformity of material heating, continuously rotates an auger to push the axial transmission of the material, realizes continuous feeding, continuous distillation and continuous discharging, and the spiral blades rotate synchronously with the inner cylinder to continuously scrape off the impurities on the inner wall of the outer cylinder, so that the heat conduction surface is kept clean and uniform, and the product purity and production stability are improved.The application effectively solves the problems of low intermittent operation efficiency, uneven heating and inner wall scaling of the existing nitromethane distillation device, realizes the continuous production of nitromethane, and has important industrial application value.

The application discloses a kind of double-beam microstrip antennas, including first substrate layer and second substrate layer, first substrate layer is equipped with SIW waveguide structure, second substrate layer is located above first substrate layer;The top surface of second substrate layer is provided with microstrip antenna, SIW waveguide structure is equipped with coupling gap, microstrip antenna includes central axis part, the two sides of central axis part have symmetrically arranged rectangular part, the length direction of rectangular part is consistent with the length direction of central axis part, the upper end of central axis part is protruding relative to the upper end of rectangular part, the lower end of central axis part is protruding relative to the lower end of rectangular part, the middle area of the side of rectangular part away from central axis part is provided with notch, the two corner parts of the side of rectangular part away from central axis part are respectively provided with separation gap, separation gap makes corresponding corner part and other areas of rectangular part separate.This microstrip antenna can realize double-beam, can excite TM02 mode, and frequency band width is relatively wide, can cover N257 and N261 operating frequency, especially suitable for 5G communication system.

This application discloses a noise reduction method for an in-vehicle refrigerator, a vehicle, and a computer-readable storage medium, relating to the field of in-vehicle refrigerator technology. The target vehicle includes at least an in-vehicle refrigerator. The noise reduction method includes: controlling the in-vehicle refrigerator to enter a silent mode when the target vehicle meets preset noise reduction conditions; and reducing the compressor operating frequency of the in-vehicle refrigerator after it enters the silent mode. This application solves the technical problem of noise from in-vehicle refrigerators affecting the user's riding experience.

The invention relates to a double-path time domain interleaving return-to-zero system applied to a digital-to-analog converter, which is characterized in that in a time domain interleaving parallel processing stage, a high-speed data stream is decomposed into four paths of low-rate parallel signals to be processed, so that the working frequency and the time sequence design difficulty of a rear-end digital logic circuit are remarkably reduced, and the reliability of the digital-to-analog converter is improved. The limitation of a digital system on the overall conversion rate of the digital-to-analog converter is effectively broken through; in a signal synthesis stage, a zero returning technology is introduced through a multiplexer unit, and four paths of low-rate parallel signals are combined into a double-path time domain interleaving zero returning signal, so that intersymbol interference caused by incomplete establishment of a switch transient process and a current source is inhibited, transient error energy introduced in a switch switching process is pushed to a high-frequency region, and the signal quality is improved. The spurious-free dynamic range of the digital-to-analog converter in the Nyquist range is expanded; according to the invention, the double-time-domain interleaving return-to-zero signal is designed to reserve wide time for the full establishment of the output signal, and the integrity and high linearity of the output signal are ensured while the dynamic error is effectively eliminated.

The invention relates to the technical field of antennas, in particular to a marginal inductive loading-based radio frequency identification miniaturized narrow-beam antenna, which comprises a top dielectric substrate and a bottom dielectric substrate, the lower surface of the bottom dielectric plate is provided with a reflection copper-clad grounding plate, and the upper surface is provided with a feed network. The upper surface of the top layer dielectric substrate is provided with a rhombus metal patch with two feeding points, and four corners of the rhombus metal patch are respectively located at the midpoint positions of four edges of the top layer dielectric substrate; the four corners of the top layer dielectric substrate are respectively provided with a triangular parasitic patch, and each triangular parasitic patch is connected with the reflection copper-clad grounding plate on the lower surface of the bottom layer dielectric substrate through a short circuit screw. The top layer dielectric substrate and the bottom layer dielectric substrate are kept at an interval of a specific height through the short circuit screws, so that an air layer is formed; and two feed points of the rhombic metal patch are respectively connected with a feed network on the upper surface of the bottom dielectric substrate through a metal probe which vertically penetrates through the air layer.

The application discloses a chilled water control system and a control method, and relates to the field of chilled water control systems, and aims to improve the overall operation energy efficiency of the chilled water system.

The present disclosure belongs to the technical field of temperature control equipment for data centers, and particularly relates to a liquid cooling system and a control method thereof. The liquid cooling system comprises a heat exchanger and a plurality of heat devices; a water supply pipeline is arranged between the output end of the heat exchanger and the input end of the heat device, and a backwater pipeline is arranged between the output end of the heat device and the input end of the heat exchanger; temperature detection devices are arranged on the water supply pipeline and the backwater pipeline, and a flow regulating device and a water pump are further arranged on the backwater pipeline; the liquid cooling system further comprises a power meter and a central controller, the power meter is used for collecting total power on the water supply pipeline and transmitting a signal to the central controller, and the central controller is used for receiving the detection result of the temperature detection device on the backwater pipeline and the signal transmitted by the power meter. Through the configuration of power monitoring, temperature monitoring and end valve, the present disclosure can realize accurate control and accurate distribution of flow in the end heat device, and avoid power waste.

The utility model relates to the related technical field of workshop water supply treatment, and provides a water supply treatment system which comprises a bearing platform, a water supply pipeline, a water storage tank, a water supply pump, a first water path and a second water path, the water outlet end of the water supply pump is communicated with the water supply pipeline, one end of the first water path is communicated with the water outlet end of the water storage tank, and the other end of the first water path is communicated with the water inlet end of the water supply pump. The water outlet end of the water storage tank is higher than the water inlet end of the water supply pump, the water inlet end of the water supply pump is kept to have large enough water pressure through fall, the requirement for a large amount of water is met, meanwhile, the operation frequency and the number of started water supply pumps are effectively reduced, and the water supply efficiency is improved. The load of the water supply pump during long-time operation is reduced, normal water supply is not affected, the construction cost is saved, and the requirements for energy conservation and consumption reduction are met.

The utility model relates to a kind of waste heat condensate water pipeline water mixing device, steam main pipe (1) and heat exchanger (2) connection carries out heat exchange, steam main pipe (1) and heat pump (3) connection carries out heat exchange, heat exchanger (2) sequentially connect heat exchanger condensate water pump inlet pipeline (6), heat exchanger condensate water pump (7), heat exchanger condensate water pump outlet pipeline (10), condensate water main pipe (5), deaerator (4);Steam cooling condensate water in heat pump (3) enters condensate water tank (9) by gravity, condensate water tank (9) bottom connects waste heat condensate water pump (8).The utility model makes that the condensate water of different temperature can reach sufficient mixing, improve deaerator oxygen removal effect, under the prerequisite that not affecting original heat network heat exchanger condensate water smooth delivery, reduce the operating frequency of waste heat condensate water pump, reduce the power consumption of water pump.

This application relates to an ultra-wideband dual-mode mixer circuit with an on-chip balun. The circuit includes: an LO port of a local oscillator differential balun unit connected to the signal output from the local oscillator source in a vector network analysis (VNA) system; an RF port of a mixer unit connected to the test signal preprocessed by the VNA system; an output port of the local oscillator differential balun unit connected to the local oscillator input port of the mixer unit; and an output port of the mixer unit connected to the input port of an intermediate frequency (IF) amplifier unit. The local oscillator signal in the VNA system is processed by the local oscillator differential balun unit to obtain two local oscillator differential signals. The high-frequency test signal preprocessed by the VNA system is input through the RF port of the mixer unit to obtain two radio frequency (RF) differential signals. The two RF differential signals are mixed with the two local oscillator differential signals to obtain the desired IF signal. The IF signal is finally amplified by the IF amplifier unit and output from the output port of the IF amplifier unit, thus solving the problems of low integration, large size, and poor isolation in ultra-wideband mixers.

According to the technical scheme, the moistureproof file cabinet is characterized in that the moistureproof file cabinet comprises a file cabinet body, a plurality of cabinet body cavities are formed in the file cabinet body, two sets of drawer guide rails are assembled on the inner walls of the two sides of each cabinet body cavity, and file storage drawers are assembled between the two sets of drawer guide rails in a sliding mode; and a moisture-proof structure is assembled in the file storage drawer. The moisture-proof structure can actively absorb residual moisture in the file storage drawer through the moisture absorption bag filled in the moisture-proof structure, the local humidity in the file storage drawer is further reduced, files are prevented from mildewing and going bad due to moisture, meanwhile, the overall structure of the moisture-proof structure is simple, when a user needs to replace the moisture absorption bag, the overall operation is simple, and the practicability is high. The maintenance difficulty and the labor cost are reduced; and the working frequency and continuous operation time of the file cabinet dehumidifier body are reduced, and the intermittent operation time of the file cabinet dehumidifier body is prolonged, so that the overall noise level is reduced, and a quieter working environment is created.

The utility model discloses a kind of automatic adding device for chlorine dioxide generator disinfectant, it is related to chlorine dioxide preparation technical field, including chlorine dioxide generator, water jet, disinfectant storage tank and adding pump, chlorine dioxide generator generates gas, water jet is connected with it to generate disinfectant, flow into the disinfectant storage tank in lower portion by means of gravity, adding pump again transports disinfectant to multiple adding points;Compared with traditional mode, the utility model isolates water jet and adding point of complex working condition, avoids water jet back pressure too high, guarantees its suction capacity, makes chlorine dioxide generator stable operation, and adding pump can overcome delivery resistance, ensure disinfectant stable delivery, simultaneously, the device changes the problem that adding amount is difficult to control due to air mixing in traditional adding mode, by controlling the delivery amount of adding pump, let the chlorine dioxide amount distribution of each adding point be more reasonable, effectively solve the deficiency existing in traditional adding mode, ensure that disinfection effect is stable and reliable.