32results about How to "Flexible and convenient debugging" patented technology

The invention discloses an integrated highly-reliable magnetic suspension energy storage flywheel digital control device, which is a device capable of controlling a magnetic suspension energy storage flywheel system motor and an electromagnetic bearing, and comprises an interface circuit, a field programmable gate array (FPGA) system, a magnetic bearing control power module, a motor control powermodule, a magnetic suspension energy storage flywheel system, and a sensor circuit, wherein the FPGA system acquires a magnetic bearing rotor displacement signal, a rotation speed signal, a magnetic bearing coil current, a motor winding current, and the like through the interface circuit. On one hand, the FPGA system performs active control on the electromagnetic bearing according to the magneticbearing rotor displacement signal, the magnetic bearing coil current and the rotation speed signal; on the other hand, the FPGA system controls the rotation speed of the flywheel according to a rotation speed instruction, the motor winding current and the rotation speed signal. By the invention, integrated design of a magnetic bearing digital controller and a motor digital controller is realized,the integration level and reliability of magnetic suspension energy storage flywheel system controller is improved, the volume and weight are reduced, and the power consumption of the controller is lowered.

The invention discloses a flow field characteristic experiment device of a combustion chamber of a hydrogen-burning gas turbine. The flow field characteristic experiment device comprises three pairs of bluff body arrangement combustion chamber experiment pieces, a particle image velocimetry (PIV) test platform frame, a PIV test system and a pressure difference and environment temperature test system. The three pairs of bluff body arrangement combustion chamber experiment pieces comprise a front lateral plate, a front bluff body, a back bluff body, an affiliation mechanism of the back bluff body, a front top plate and a back top plate. A tracer particle injection pipe jack is arranged on the front lateral plate, an inlet speed probe jack is arranged on the front top plate, and an outlet speed probe jack is arranged on the back top plate. A tracer particle generator is connected with the tracer particle injection pipe jack on the front lateral plate. The device adopts the PIV test technology, selects reasonable combustion chamber position, reasonably mingles tracer particles into a main gas flow under the effects of the tracer particle generator and a tracer particle injection pipe, enables tracking particles in the test area to be evenly distributed and conducts visualization experiment of cold state flowing speed vector distribution of three pairs of bluff arrangement combustion chambers.

The invention provides a work correcting method for automatic industrial devices. At least one server and at least one monitoring terminal are cooperated with each other, and balanced work load distribution for a plurality of automatic industrial devices is realized. The method can monitor all automatic industrial devices on a real-time basis. Once one or more automatic industrial devices fail, the work undertaken by the failed automatic industrial device/ devices can be timely assigned to other normal automatic industrial devices to complete the work as fast as possible. High-efficient production process is ensured, and labor and time cost are effective reduced.

The invention discloses a stacked microstrip UHF antenna which comprises an antenna base, a stacked microstrip antenna unit arranged on an upper surface of the antenna base and a feeding device connected to the stacked microstrip antenna unit. The stacked microstrip antenna unit comprises an upper radiation unit layer, an upper dielectric layer, a lower radiation layer and a lower dielectric layerfrom the top to bottom. The feeding device includes a coupling layer formed by two metal sheets arranged on an upper surface of the upper dielectric layer, a first feed probe and a second feed probeconnected to the coupling layer and a feeding network which is arranged in an inner cavity of the antenna base and is electrically connected to the first feed probe and the second feed probe. The stacked microstrip UHF antenna has the advantages of a compact structure, a small volume, a light weight, a low profile, a wide frequency band and convenience in installation and debugging.

The invention relates to a three-dimensional photoetching method for antenna manufacture, which comprises the following steps: proving a basic structural element; forming a conductive layer on the surface of the basic structural element; forming a photosensitive printing ink layer outside the conductive layer; and carrying out the processes of shielding, light exposure, development and etching. The invention is characterized in that the basic structural element is a three-dimensional structural element, and in addition, the formed conductive layer, the photosensitive printing ink layer formed outside the conductive layer and the shielding and the light exposure processes are all carried on the three-dimensional surface. In the invention, patterns of the three-dimensional antenna can be formed in one step, the production period can be shortened, and the requirement of mass production is met.

The handling equipment of the present invention consists of conveyer, lifter and plurality of detecting units. Said control equipment consists of bogie control casing and plurality of control modules; site bus based network connected with input equipment consisting of button, scram switch, proximity switch, photoelectric switch travel switch and central control computer used for controlling delivery system through network. Said output equipment is based on EtherNet network, used for connecting slide contact line bogie control casing and plurality of controlling modules with monitor computer of EtherNet, displaying each bogie casing running status, operation parameter, automatically malfunction alarm, recording trouble point, through adopting decentralized control, centralized management, each production line central-controlled scheme, to realize complete monitoring and managing to production line. Said invention has advantages of safety, reliable, convenient for managing debugging.

The invention discloses FPGA (Field Programmable Gate Array)-based bonded phase frequency doubling method and device. The frequency doubling device comprises a square wave processor, an adding counter, a linear predicator, a corrector, a divider, a bonded phase multiple storage device, a latch and a subtract counter which are programmed by a VHDL (Visible Hardware Description Language) and are integrated into one FPGA. A bonded phase signal is processed by the square wave processor to become a standard square wave signal; the adding counter is used for counting the period of the square wave signal under the trigger of a clock signal; a counting value is transmitted to the linear predicator to predict a next periodical value of the bonded phase signal; a periodical predication value is checked by the corrector to be correct and then is transmitted to the divider for dividing by the bonded phase multiple to obtain a quotient which is latched by the latch; the subtract counter carries out the subtract counting by taking the quotient in the latch as a module value; and an overflow signal of the subtract counter is a frequency doubling signal. The device has compact structure; and the method and the device have the advantages of high integration degree, flexible configuration of frequency doubling coefficient, wide frequency doubling range, capability of periodical carrying out the linear detection on the bonded phase signal, high frequency doubling precision and higher stability and reliability.

The invention discloses a mobile terminal. The mobile terminal comprises a shell, a printed wiring board, a metal frame, a first connector, a second connector and a first antenna, wherein the metal frame encircles the shell and comprises a first frame, a second frame and a third frame, the first frame is provided with a first gap, the first connector is connected with the first frame on the first gap, the second connector is connected with the third frame and a ground end of the printed wiring board separately, the first antenna comprises a first antenna main radiation body, a first part, a second part, a first inductor, a third part, a fourth part and a fifth part, the first part parallel to the first frame is connected with the first connector, the second part parallel to the third frame is connected with the first part, the first inductor is connected with the second part and the ground end of the printed wiring board separately, the third part is arranged under the second part and is parallel to the second part, one end of the third part is suspended, the fourth part parallel to the first part is connected with a second inductor and the third part separately, and the fifth part parallel to the first part is connected with the second inductor and a first feeding end of the printed wiring board separately. By the mobile terminal, the antenna cost is reduced, and the mobile terminal is convenient and flexible to debug. The invention also discloses an antenna of the mobile terminal.

The present application provides a metadata performance monitoring method. The method comprises: writing values in target metadata into a shared memory; acquiring a value corresponding to performance monitoring from the shared memory; and determining whether the value is in a present threshold range, and if no, carrying out performance tuning. According to the method provided by the present application, the shared memory is used to replace an originally used log analysis method and piling analysis method. Statistic data of associated performance of the metadata is acquired by virtue of the shared memory, so that influences on the metadata performance are reduced, debugging is convenient and flexible, and metadata performance monitoring accuracy is improved.

The invention discloses a constant flow control device and method for a high-pressure water injection well. After a frequency converter (1) receives a starting signal, a motor (2) is dragged to drive a water injection pump (3) to carry out pressurization output; a flowmeter (4) measures the output flow of the water injection pump (3) and outputs a flow signal to the frequency converter (1), a remote transmission device (5) and a digital display meter (7); the frequency converter (1) automatically adjusts the output frequency according to the received flow signal and a set value of the flow and controls the motor (2) to increase or reduce the rotating speed, thereby changing the output flow of the water injection pump (3) to be output in a constant flow; the remote transmission device (5) transmits the received flow signal to a monitoring device (6) to display the production data and operating mode of the water injection pump (3), thereby providing for production users to check in real time; the digital display meter (7) transmits the received flow signal to an electric heating device (8) for the electric heating device (8) to determine a production operating environment and the operating mode, thereby automatically putting into or retreating from the operating. The device and method in the invention can reduce the labor intensity and safety risk of management personnel.

The invention relates to the technical field of chemical engineering, and discloses a chemical test tube storage rack convenient for storage of test tubes, the chemical test tube storage rack comprises a support plate, the upper surface of the support plate is fixedly connected with an outer placement plate, the upper surface of the outer placement plate is provided with a heating groove, and the bottom side of the interior of the heating groove is fixedly connected with an inner placement plate. According to the chemical test tube storage rack capable of conveniently storing the test tubes, when the test tubes are downwards placed on the inner sides of the outer sliding plate and the inner sliding plate, the test tubes can be freely placed in the placing openings in the placing process, and the thickness and the length of the test tubes can be flexibly and conveniently adjusted by adjusting related structures; the test tube is simple in structure and convenient to use, a solution in the test tube has stability, the test tube is prevented from bursting to cause personal injury to experimenters by the toxic solution, the test tube is high in stability and convenient to observe, injury to the experimenters and the test tube caused by touching the experimenters with hands during observation is avoided, and convenience in use and observation of the test tube is improved.

An intelligent magnetic control low-voltage switch device comprises a magnetic control type primary module and a blade type secondary module. The magnetic control type primary module comprises a first bottom shell, a first top shell, a plastic shell baffle plate and a bottom flitch plate, and the first bottom shell, the first top shell, the plastic shell baffle plate and the bottom flitch plate form a whole shell frame; automatic opening and closing can be achieved under the size requirement of an original manual molded case circuit breaker, an existing old switch in a transformer area is directly replaced, the opening and closing speed is greatly increased, the mechanical performance is improved, the space capacity of a secondary control module is effectively increased, high intelligence, primary and secondary overall modular design and secondary module heat insulation design are achieved, and the cost is reduced. The secondary control module can be plugged, the secondary module can be replaced without power cut, the operation and maintenance capability of the product is improved, the service life of the primary module and the secondary module is the same, the service life of the device is greatly prolonged, secondary vulnerable components can be plugged independently, the flexibility of the device is improved, and high scientificity and logicality are achieved.

The embodiment of the invention discloses a distributed feeder system and a power distribution system. The distributed feeder system comprises a communication terminal and a distributed terminal, wherein each automatic switch is connected with one distributed terminal; each distributed terminal is connected with one communication terminal; each communication terminal is accessed to a communicationnetwork; the distributed terminals are used for collecting switch information of the automatic switches connected with the distributed terminals; the switch information is sent to other distributed terminals through the communication terminal; and the switch information, which is collected by other distributed terminals, of the automatic switches is received through the communication terminal, the line fault condition is judged according to the collected switch information and the received switch information, and a control instruction is generated to control the automatic switches connected with the distributed terminals. According to the embodiment of the invention, the communication function between the distributed terminals is realized by the communication terminal, the distributed terminals keep the functions except the communication function, the body debugging of the distributed terminals can be separated from the debugging of the communication terminal during debugging, the debugging is simple and flexible, and the power-off debugging is not needed.

The invention discloses a control method for an executing mechanism of garbage compression equipment. The control method comprises a method for judging a position where the executing mechanism extends in place and a position where the extending mechanism retracts in place. The executing mechanism comprises a barrel lifting executing mechanism, a barrel overturning executing mechanism, a sliding plate executing mechanism and a scraper executing mechanism which are connected with the output end of a programmable controller; the actuating mechanisms are respectively and correspondingly connected with independent oil cylinders; and the running in-place position of each executing mechanism is synchronous and consistent with the running in-place position of the corresponding oil cylinder. The invention further discloses a control method for the garbage compression equipment, which comprises the control method for the executing mechanism, and a control system for the garbage compression equipment. According to the invention, the executing mechanism control method which judges by programs does not require a position sensing switch and solves the problems that a position sensor is liable to damage or unreliable, resulting in that the garbage compression equipment cannot operate normally, and the garbage compression treatment efficiency and the transfer efficiency of a garbage transfer station are affected.