5results about How to "Simple test system" patented technology

The present application relates to the field of gas turbine, in particular to a gas turbine combustion chamber gas-liquid dual fuel mixed combustion test system and working method thereof, comprising: a combustion cavity unit, a combustion state monitoring unit, a liquid fuel supply unit, a gas fuel supply unit, a main air supply unit and a central control unit; the combustion cavity unit comprises a test shell, a flame tube, a dual fuel nozzle and an igniter, the flame tube is installed in the inner cavity of the test shell and is fixed by the head and tail support. The present application sets up a test system by setting a dual fuel nozzle and a flame tube in a unique test shell, and configuring an igniter, a pressure pulsation sensor and other structures, combined with a central control computer to ensure that the combustion chamber outlet temperature remains unchanged, through precise control of the gas fuel and liquid fuel flow, the dual fuel mixed combustion characteristic curve under each working condition is automatically obtained.

The utility model discloses a hydrogen subsystem of a fuel cell test system, which comprises a hydrogen supply assembly, a hydrogen circulation assembly and a gas discharge assembly, the hydrogen supply assembly comprises a hydrogen supply pipeline, and a first flowmeter, an ejector, a humidifier and a heater which are sequentially arranged on the hydrogen supply pipeline; the hydrogen supply pipeline is connected with an anode inlet of the fuel cell; the gas discharge assembly comprises a gas discharge pipeline, and the gas discharge pipeline is connected with an anode outlet of the fuel cell; the hydrogen circulation assembly comprises a hydrogen circulation pipeline and a gas-liquid separator installed on the hydrogen circulation pipeline, the two ends of the hydrogen circulation pipeline are connected with the ejector and the gas exhaust pipeline respectively, and the hydrogen circulation pipeline is externally connected with a heating and heat preservation device. The device has the beneficial effects that the hydrogen consumption of the test system is reduced, the nitrogen concentration in the hydrogen entering the reactor is reduced, and the test system is simplified.

The invention provides an FPGA (Field Programmable Gate Array) test method, which comprises the following steps that: a plurality of to-be-tested FPGA chips are in a serial test network, and a configuration chip obtains data streams of the plurality of to-be-tested FPGA chips from flash and inputs the data streams into the serial test network; when any to-be-tested FPGA chip in the serial test network is successfully configured, a pulse signal is generated, and test data transmission interfaces between the adjacent to-be-tested FPGA chips are controlled to be communicated for data stream transmission; a configuration control signal interface between the adjacent FPGA chips to be tested is controlled to be communicated, and the configuration control signal interface is used for returning a pulse signal; when any FPGA chip to be tested is configured successfully, a pulse signal is generated and transmitted back to the configuration chip, and the configuration chip retransmits the data stream to the next FPGA chip to be tested; and if the configuration of any FPGA chip to be tested fails, the configuration chip determines the position where the chip with the problem is configured and feeds back the position to the upper computer. The invention further provides an FPGA testing device.

The invention relates to a concentration and refractive index coordinated regulation gain equalization optical waveguide amplifier and a preparation method thereof, and belongs to the technical field of polymer optical waveguide amplifiers, the optical waveguide amplifier structurally comprises a substrate (1), an outer core layer (2), an inner core layer (3) and an upper cladding (4); the preparation method comprises the steps of cleaning the substrate, preparing inner and outer core layer solutions, preparing the inner core layer, preparing the outer core layer, preparing the upper cladding and the like. The few-mode optical waveguide amplifier designed by the invention can realize balanced amplification of five signal modes under the condition of single-mode pumping, can compensate for the loss problem caused by an on-chip high-capacity system, and assists in realizing expansion of a communication system.

The application discloses a superconducting quantum control multiplexing device and a preparation method thereof. Embodiments of the application greatly simplify a superconducting quantum test system, are beneficial to the large-scale development of a superconducting quantum computing circuit, and realize compatibility with a superconducting integrated circuit in a preparation process.