阅读说明：本技术 连接盒、电动汽车的测试台架、控制方法及装置 (Connecting box, test bench of electric automobile, control method and device ) 是由 鲁秀楠 刘利梁 房保金 施尚慧 于 2020-02-27 设计创作，主要内容包括：本申请的实施例提供一种连接盒、电动汽车的测试台架、控制方法及装置,涉及电动汽车领域,能够解决电动汽车的测试台架上的能量流固定不可控的问题,扩展了电动汽车的测试台架的测试功能。该连接盒用于电动汽车的测试台架,连接盒分别与所述电动汽车的测试台架上的电池包、整车负载以及供电设备耦接；连接盒将电池包与整车负载导通时,电池包向整车负载供电；连接盒将电池包与供电设备导通时,供电设备向电池包充电,或者电池包向供电设备放电；连接盒将供电设备与整车负载导通时,供电设备向整车负载供电。可用于电动汽车、智能汽车的部件测试。(The embodiment of the application provides a connection box, a test bench of an electric automobile, a control method and a control device, relates to the field of electric automobiles, and can solve the problem that energy flow on the test bench of the electric automobile is fixed and uncontrollable, so that the test function of the test bench of the electric automobile is expanded. The connecting box is used for a test bench of an electric automobile and is respectively coupled with a battery pack on the test bench of the electric automobile, a whole automobile load and power supply equipment; when the battery pack is conducted with the load of the whole vehicle by the connecting box, the battery pack supplies power to the load of the whole vehicle; when the connection box conducts the battery pack and the power supply equipment, the power supply equipment charges the battery pack or the battery pack discharges the power supply equipment; when the connecting box switches on the power supply equipment and the load of the whole vehicle, the power supply equipment supplies power to the load of the whole vehicle. The device can be used for testing components of electric automobiles and intelligent automobiles.)