3results about How to "Save test space" patented technology

This invention belongs to the field of detonator wire testing technology, specifically a multi-type switching system and device for electronic detonator leads based on relay parallel connection, including a host computer; the host computer is connected to a test host device via signals; the test host device is connected to multiple sets of communication wire switching devices via signals; and the communication wire switching devices are connected to a module terminal test device via signals.

The utility model discloses an intelligent test device used for detecting keel mechanical properties, which comprises a test frame, a plurality of suspension assemblies, a loading mechanism and a displacement measurement assembly, the test frame comprises a main beam and side beams, the suspension assemblies are installed on the main beam, each suspension assembly comprises a suspension rod used for suspending a keel, and the loading mechanism is installed on the suspension rod. The loading mechanism is of a movable portal frame structure and can be arranged above the test frame in a crossing mode, a lead screw is installed on a cross beam of the loading mechanism and connected with a first motor, the first motor is connected with a controller, the lead screw is connected with a moving block, a second motor is installed on the moving block, and the second motor is connected with a second motor. The second motor is connected with an automatic release hook through a rope, and a weight or a sand bag is hung on the automatic release hook. According to the utility model, the test requirements of keels of various sizes can be met, and the safety of the test process can be improved while the test efficiency is improved.

The application discloses a kind of laser radar testing device and method.The laser radar testing device provided by the application comprises a test platform, an adjusting module, a film attaching module, a signal receiving board and a control center, which can simultaneously satisfy the measurement of the farthest measurement distance, distance measurement accuracy and angle of laser radar, and the measurement distance is shortened by attaching an attenuation film on the light-emitting surface of the laser radar, so that the test space is reduced to about 2 square meters.The laser radar testing method provided by the application is completed by machine in data acquisition, judgment and identification, avoiding the uncertainty introduced by human in data acquisition and processing process.The laser radar testing device of the application can effectively ensure the consistency of data measurement position.