龙椅是哪个朝代开始出现的？

[img]https://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc521c04b.png[/img][img]https://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc521c04b.png[/img]看电视剧里刘邦攻入秦皇宫坐龙椅。这不对吧。