17results about How to "Simple system structure" patented technology

The present invention discloses an integrated low-profile tile-type digital array antenna, which includes: a plurality of fully functional digital active sub-array antennas, a frame, an air duct and a fan. The plurality of digital active sub-array antennas are arranged in a tile-like manner and embedded in the frame. The air duct is installed on the rear side of the frame and is opposite to the position of the digital active antenna, and the fan is connected to the air duct. The plurality of digital active sub-array antennas of the digital array antenna of the present invention are arranged and integrated in an array. By adding or reducing digital active sub-array antennas, the expansion of array antennas of different scales and forms is achieved; the digital array antenna adopts a linear forward installation and an external rearward air duct for heat dissipation, which is convenient for the maintenance and repair of the array antenna; a composite sealing ring is used inside the digital active sub-array antenna and between the digital active sub-array antenna and the frame to achieve water sealing and electromagnetic shielding. The array antenna system of the present invention has the advantages of high integration, small profile size, good platform adaptability, good extensibility, simple structural system, and convenient installation and maintenance.

The invention relates to the technical field of optical comb wavelength calibration, in particular to a wavelength calibration device and method of an injection type locking optical comb, which can be used for optical comb wavelength calibration of an injection type locking method. According to the femtosecond laser frequency comb, injection type locking is adopted, complex optical and electrical locking needed by a traditional femtosecond laser frequency comb is avoided, and the system structure is greatly simplified. The cost of the system is reduced, and the reliability and the stability of the system are improved. The beat frequency process is realized by using the narrow linewidth laser and the photoelectric detector, and the wavelength change of the mid-infrared light frequency comb can be monitored in real time.

The present invention discloses a full-rotation sling, comprising: a balance beam, both sides of the upper surface of which are provided with movable pulley lifting ears, which are used to connect with the movable pulley on the overhead travelling crane through a steel wire rope, and a connecting piece is provided at the bottom center of the balance beam; a slewing mechanism, which is connected to the balance beam through a connecting piece; a space hanging point structure, which is connected to the slewing mechanism and realizes slewing motion through the slewing mechanism; a bottom distribution beam, which is used to connect the hoisted objects, and the bottom distribution beam is connected to the space hanging point structure through a plurality of distribution slings. The present invention solves the technical problem that the hoisted heavy objects cannot undergo slewing motion, has a reasonable structure, is safe to use, and adopts a modular design with a compact structure.

This invention discloses a power gas circuit system and control method for a testing furnace, relating to a testing furnace, including an inlet main pipe, a power gas valve, and a controller; a pressure sensor is installed on the inlet main pipe, and the inlet main pipe is connected to the inlet port of the power gas valve through a three-way connector; the third connector of the three-way connector is connected to one end of the combustion furnace coil through a branch pipe; a solenoid valve is installed in the branch pipe; one port of the power gas valve is connected to port B of the cylinder through a branch pipe; the other port of the power gas valve is connected to two interconnected branch pipes, a pressure regulating valve is installed on the branch pipe; the other ends of the branch pipes are connected to a solenoid valve, which is connected to port A of the cylinder through a branch pipe; a pressure sensor is installed in the branch pipe. This invention solves the problems of separate two gas sources, complex piping, and large space occupation in traditional solutions.

The present invention provides a magnetic transport line driving system, a magnetic transport line, and a control method for a magnetic transport line driving system, for use in driving an actuating mechanism of a magnetic transport line according to an instruction, the actuating mechanism comprising multiple motor stators and at least one motor mover. The magnetic transport line driving system comprises: a motion control unit, used for generating a driving instruction according to an instruction; multiple position sensing units, of which the number corresponds to that of motor stators, used for detecting quantity information and position information of motor movers; a motor control unit, used for calculating quantity information and address information of effective shaft according to the driving instruction, and the quantity information and position information of the motor movers, generating a motor stator selection instruction for selecting a specified motor stator, and generating an inversion setting instruction for generating a specified driving current; and multiple motor driving units, of which the number corresponds to that of the motor stators, used for generating and providing a driving current to a corresponding motor stator according to the motor stator selection instruction and the inversion setting instruction, and driving the motor stator to move according to the instruction.

This application provides a photovoltaic system and a direct current overcurrent protection apparatus. The photovoltaic system includes at least one first direct current module, an electromagnetic apparatus, a direct current switch-on / off apparatus, and a second direct current module. First connection ends of all first direct current modules in the at least one first direct current module are connected in parallel and then connected to a first connection end of the electromagnetic apparatus, a second connection end and a third connection end of the electromagnetic apparatus may be connected to a first connection end of the second direct current module by using the direct current switch-on / off apparatus, and second connection ends of all the first direct current modules may be connected in parallel and then connected to a second connection end of the second direct current module. The electromagnetic apparatus may be configured to: when a current flows from the second direct current module to each first direct current module and an amplitude of the current is greater than a preset amplitude, control the direct current switch-on / off apparatus to disconnect a loop between each first direct current module and the second direct current module. Based on this application, overcurrent protection may be performed for a reverse current flowing to each first direct current module. In this way, costs are low. This is applicable.

The present disclosure discloses a remote device, a system and a method for transmission compatible with two TDD switch signals. The method includes: receiving a downlink TDD switch signal; performing a power-on detection on the downlink TDD switch signal; in the case of a successful power-on detection, generating a standard switch signal corresponding to the downlink TDD switch signal; receiving an information of a successful power-on detection and the standard switch signal; comparing the downlink TDD switch signal with the standard switch signal; in the case that a number of abnormal values between the downlink TDD switch signal and the standard switch signal is less than a set value N, outputting a first downlink switching switch signal, a first uplink switching switch signal, a second downlink switching switch signal, and a second uplink switching switch signal related to the downlink TDD switch signal. The disclosed system having a simple design can detect the switch signal, perform error correction on the wrong switch signal, and ensure the correctness of the switch signal.

The present application relates to a multi-cloud platform monitoring method, device, computer equipment, storage medium and product. The method includes: receiving monitoring data carrying indicator identifiers sent by each cloud platform, for each monitoring data, querying whether there is a corresponding unified identifier for the indicator identifier carried by the monitoring data, for each monitoring data, when a unified identifier corresponding to the indicator identifier carried by the monitoring data is queried, converting the indicator identifier carried by the monitoring data according to the queried unified identifier, and sending the converted monitoring data to the corresponding monitoring service; wherein the unified identifier is the same identifier pre-assigned to the same monitoring indicators in different cloud platforms; the method uniformly processes the same monitoring indicators in different cloud platforms, so as to uniformly deploy monitoring services for the same monitoring indicators in different cloud platforms, avoid repeated development of common modules, and improve the development efficiency of the multi-cloud platform monitoring system.

The application discloses a deep fracture visual photoacoustic magnetic cooperative in-situ measurement device, which comprises a measurement robot placed in a borehole, a cable lowering device placed near a borehole mouth and an upper computer placed outside the borehole. The measurement robot can realize in-situ measurement of fracture networks at different positions in the borehole and has the function of autonomous travel. The cable lowering device mainly realizes depth position sensing of the measurement robot through a depth editor and realizes data communication between the measurement robot and the upper computer. The application further discloses a deep fracture visual photoacoustic magnetic cooperative in-situ measurement method. The application can realize feature area sensing search, autonomous cruise and rapid acquisition of multi-source data, and in combination with a subsequent data processing method, high-precision in-situ measurement and visualization of deep fracture networks can be realized.

An energy storage system includes at least one energy storage unit cluster and a centralized monitoring system for the energy storage unit cluster. The energy storage unit cluster is composed of at least two energy storage modules connected in series. One energy storage module includes an energy storage element group and a switch bridge arm. The switch bridge arm is composed of a main control switch and a bypass switch. One end of the main control switch is connected to the energy storage element group, and the other end of the main control switch serves as the first input / output end of the energy storage module. One end of the bypass switch is connected to the first input / output end, and the other end of the bypass switch is connected to the second input / output end of the energy storage module. The energy storage unit cluster is coupled to a DC bus through a DC / DC converter. The centralized monitoring system is connected to the energy storage unit cluster through a control bus, and is used to control the conduction or disconnection of the main control switch and the bypass switch in any energy storage module in the energy storage unit cluster. The management flexibility of the energy storage system can be improved, the stability of the energy storage system can be improved, and the applicability is higher.

The invention discloses a magnetic coupling resonant wireless energy transmission system based on a class E power amplifier and a four-coil structure, comprising a gate drive signal source (1), a power tube (2), a drain DC input (3), a parallel capacitor and an LC resonant circuit (4), a second-level coil (5), a third-level coil (6), a receiving coil (7) and an output load (8); the gate drive signal source (1) is connected to the gate of the power tube (2), the drain DC input (3) is connected to the drain of the power tube (2), the drain output of the power tube (2) is transmitted to the second-level coil (5) via the parallel capacitor and the LC resonant circuit (4), the second-level coil (5) is transmitted to the third-level coil (6), the third-level coil (6) is transmitted to the receiving coil (7), and the receiving coil (7) is connected to the output load (8). The invention has a simplified structure, high transmission efficiency and low cost.

The invention relates to heating supply equipment, and discloses a heating system and a heating control method.The heating system comprises a heating device provided with a plurality of water pumps in one-to-one correspondence with a plurality of heating areas; the compartment controller is respectively connected with the plurality of water pumps; the temperature controller cluster comprises a main temperature controller and auxiliary temperature controllers, all the auxiliary temperature controllers are in communication connection with the main temperature controller, and the main temperature controller is in communication connection with the compartment controllers; the main temperature controllers and the auxiliary temperature controllers are in one-to-one correspondence with the multiple heating areas. Heating of all heating areas is controlled through the compartment controller, the system structure of the heating system is simplified, and the flexibility of control scheduling of the heating system is improved; meanwhile, the main temperature controller is used as a transfer station for information transmission and communication between the auxiliary temperature controller and the compartment controller, and the main temperature controller only sends data related to the heating adjustment request to the compartment controller, so that the processing efficiency of the compartment controller on the data and the response efficiency of the compartment controller on the heating adjustment request are improved; and the compartment controller can quickly adjust the temperature of each heating area.

The invention relates to the technical field of high-speed maglev control, in particular to a medium-high-speed maglev operation control system and method with vehicle-mounted equipment as the center, a partition control system and a vehicle-mounted control system are combined to form a vehicle-mounted operation control subsystem, and the interior of the vehicle-mounted operation control subsystem is provided with a plurality of magnetic control systems. The vehicle-mounted operation control subsystems are communicated with the central control subsystem through radio transmission, and every two adjacent vehicle-mounted operation control subsystems are communicated through radio transmission, so that the system structure of the medium-high speed magnetic levitation operation control system is simplified, equipment is reduced, funds are saved, and the problem that in the prior art, when a line is longer, the service life of the medium-high speed magnetic levitation operation control system is prolonged is solved. The more partition devices are, the higher the cost is, and the communication between adjacent partitions is complicated, so that information congestion is easily caused.

The invention provides an eye movement tracking device and eye movement tracking equipment, and relates to the technical field of eye movement tracking. The device comprises an infrared fringe projection module, an image acquisition module, a data processing module and an eye movement tracking module. The infrared fringe projection module projects an infrared fringe pattern to the surface of a target eyeball; the image acquisition module and the projection module are arranged in an optical coplanar manner, and the image acquisition module acquires an infrared stripe image reflected by the surface of a target eyeball to obtain a cornea stripe image; a phase deviation calculation method module in the data processing module is connected with the image acquisition module and is used for carrying out phase demodulation on the cornea fringe image to obtain three-dimensional shape data representing the actual physical shape of the surface of the target eyeball; the eye movement tracking module is connected with the data processing module and determines the visual axis direction of the eyeballs based on the spatial geometric attributes of the three-dimensional shape data. According to the invention, through combination of infrared fringe projection and phase deflection, dependence on discrete feature points is reduced, so that high-precision tracking in a large-angle range is realized.

The invention discloses an underground space geometric profile fine measurement and evolution process monitoring device which comprises a depth winch, a calibration short section, an adjusting cable, a measurement short section, a transmission cable and an industrial personal computer. The invention further discloses an underground space geometric contour fine measurement and evolution process monitoring method. The technical problems of underground space geometric contour fine measurement and evolution process monitoring are solved, the laser technology and the visual technology are combined, fine imaging of the underground space internal geometric contour is achieved, quantitative calculation and visualization of the geometric contour size are achieved in combination with the precise positioning technology, and the measurement precision of the underground space internal geometric contour is improved. Geometric contour information of an underground space can be rapidly captured, and measurement and monitoring of a geometric contour can be realized.

This invention relates to an environmentally adaptive composite radar system, belonging to the field of radar detection technology. It solves the problems of weak environmental adaptability, low single-detection accuracy, and insufficient reliability and stability in existing technologies. The system includes: a laser generation module that outputs multiple laser beams; a microwave radar module that receives a first and second laser beam, modulates the first laser beam with a radio frequency signal to generate a microwave radar transmission signal, and transmits it to the target; a coherent lidar module that receives a third and a fourth laser beam, generates a laser transmission signal based on the third laser beam, and transmits it; receives laser echo signals, and obtains a coherent intermediate frequency (IF) signal based on the laser echo signal and the fourth laser beam, which is then transmitted to a control module; and a control module that processes the IF echo signal and the coherent IF signal to generate characteristic parameters of the target, and controls the operation of the microwave radar module and the coherent lidar module.

This application provides a battery system and a power supply system. The battery system includes a battery pack and a battery management system. The battery management system includes a sampling control unit, a DC / DC conversion unit, and an energy storage unit. When the battery pack needs to be heated, based on battery parameters of the battery pack and a voltage and a current limit value of the DC / DC conversion unit, the sampling control unit may control, in each of at least one consecutive first cycle, the battery pack to discharge to the energy storage unit by using the DC / DC conversion unit; control, in each of at least one consecutive second cycle, the energy storage unit to charge the battery pack by using the DC / DC conversion unit; and control, in the at least one consecutive first cycle and the at least one consecutive second cycle, an average charge / discharge current value of the battery pack to be less than or equal to a charge / discharge current limit value. According to this application, the battery pack can be uniformly heated, to improve heating efficiency and a heating speed. A system structure is simple and applicability is high.