Time travel into the past?

Wei Ying loved making new inventions and he suddenly gets a new idea in order to figure out what their past life was like. After working on the invention of strange things had appeared such as a dizi and a diary he does not remember writing. He, his husband and their kids accidentally activates the array and wake up in a time that had years ago. How are they going to get home and who is the yiling patriarch they keep talking about? Any pictures and videos used credits to the original artists!