5results about How to "Many test items" patented technology

The invention discloses a storage battery test device and a storage battery test method, and relates to the technical field of storage batteries, the device comprises a test table, a battery frame, a driving mechanism, a vibration mechanism, an impact mechanism, a push-down mechanism and a force storage mechanism; the vibration mechanism is vertically movably mounted on the test table, the battery frame is mounted at the top of the vibration mechanism, and the driving mechanism is used for providing lifting driving force for the vibration mechanism; the impact mechanism is elastically connected to the top of the test table and located below the battery frame, and a through hole is formed in the bottom of the battery frame; the pushing-down mechanism is used for pushing down the impact mechanism along with downward movement of the vibration mechanism, and the force storage mechanism is used for storing force for springback of the impact mechanism. The storage battery testing device has the advantages that lifting fluctuation and impact are simulated at the same time during storage battery testing, so that vibration during daily movement is better simulated, and the authenticity of storage battery testing is improved.

The utility model discloses a kind of test equipment for pneumatic control valve or actuator in the field of pneumatic actuator detection, including valve displacement measuring instrument and control cabinet;Control cabinet is delivered to pneumatic control valve or actuator and measures the pressure of compressed air, valve displacement measuring instrument measures the displacement of pneumatic control valve or actuator;The controller of control cabinet transmits pressure and displacement data to PC host computer by Ethernet, and PC host computer generates the detection report of pneumatic control valve or actuator.The utility model can improve the detection quality and efficiency of pneumatic actuator, improve the production efficiency of pneumatic actuator production enterprise, meet the increasing delivery requirement, solve the problem of low efficiency of factory inspection, stroke etc. rely on visual inspection, realize the digitization and intelligentization of production final inspection.

The invention discloses a service gateway two-way communication performance test system. The service gateway bidirectional communication performance test system comprises a display module, a test master control platform, a test environment configuration module, a to-be-tested service gateway, a first trigger, a first data monitoring feedback device, a first service gateway routing transceiver, a second trigger, a second data monitoring feedback device and a second service gateway routing transceiver. According to the invention, the receiving and transmitting authority of the first / second routing receiving and transmitting module relative to the to-be-tested service gateway is changed, so that the bidirectional communication performance of the to-be-tested service gateway is tested, the test items are richer, and the comprehensiveness of the test result is improved.

The invention relates to the technical field of electric drive assembly testing, in particular to an electric drive assembly shaft voltage testing method and system. Comprising the following steps: arranging a grounding point on an electric drive assembly, and arranging a first measuring point and a second measuring point at two axial ends of a motor shaft; controlling the on-off of eleven grounding points to realize different test modes, dragging the electric drive assembly to operate by using the rack, and recording the voltage of the first test point and the second test point in each test mode; and analyzing the recorded voltages of the first test point and the second test point in each test mode, and judging whether a corresponding countermeasure needs to be made for the electric drive assembly or not. The electric drive assembly shaft voltage testing method is simple, whether the electric drive assembly bearing has the electrocorrosion risk or not can be accurately obtained, the testing item is extremely blocked, the corresponding countermeasure can be made according to the corresponding risk, the change corresponding to the countermeasure is extremely small, and the cost is extremely low.

The utility model relates to an adjustable hydro-pneumatic suspension test model based on Simscape, and belongs to the technical field of automobile control, test and hydraulic transmission integration. The adjustable hydro-pneumatic suspension test model comprises a hydraulic power assembly, a main valve assembly, four sets of control solenoid valve groups, four sets of hydro-pneumatic spring assemblies and an energy accumulator assembly, the output end of the hydraulic power assembly is connected with the main valve assembly, and the four sets of control solenoid valve groups are connected to the output end of the main valve assembly in parallel. And the four sets of hydro-pneumatic spring assemblies are correspondingly connected with the four sets of control electromagnetic valve groups respectively. The adjustable hydro-pneumatic suspension test model designed by the utility model can simulate the control process of a vehicle hydro-pneumatic suspension, and is used for the experimental test of a vehicle hydro-pneumatic suspension system.