Film disc for story projector
The present invention provides a film disc for a story projector, configured to be inserted into a story projector main body to achieve synchronous playback of images and audio. The film disc includes a housing, a rotating disc, and an audio module. The housing is provided with a projection hole and a driving hole. The rotating disc is rotatably installed in the housing and is provided with a film sheet corresponding to the projection hole, and one side of the rotating disc is provided with a transmission member configured to mesh with a driving assembly of the story projector main body. The audio module includes an audio board and a storage unit, the storage unit stores audio data corresponding to an image on the film sheet, and the audio board is installed on the housing for data interaction with the main body.
1 . A film disc for a story projector, configured to be inserted into a story projector main body to enable the story projector to play audio and images on the film disc, comprising:
a housing, wherein the housing is provided with a projection hole and a driving hole;
a rotating disc, wherein the rotating disc is rotatably disposed within the housing, a film sheet is provided in the rotating disc, an image on the film sheet corresponds to a position of the projection hole, one side of the rotating disc is provided with a transmission member, and the transmission member corresponds to the driving hole; wherein the transmission member is a face gear; and
an audio module, wherein the audio module comprises an audio board and a storage unit provided on the audio board, the storage unit stores audio data corresponding to the image on the film sheet, and the audio board is installed on the housing for transmitting data with the story projector main body;
wherein an installation seat is provided as a protrusion on an inner wall of the housing at a position corresponding to the driving hole, and the face gear is located within the installation seat.
2 . The film disc for the story projector according to claim 1 , wherein the housing is provided with a data hole, and the audio board is embedded in the data hole.
3 . The film disc for the story projector according to claim 2 , wherein an assembly groove is provided on an outer wall of the housing, the data hole is formed in a bottom wall of the assembly groove, the audio board is provided with a transmission connector, and the transmission connector extends through the data hole into the assembly groove.
4 . The film disc for the story projector according to claim 3 , wherein the transmission connector of the audio board is provided with metal contacts for plug-in electrical connection with a film recognition female socket of the story projector main body.
5 . The film disc for the story projector according to claim 3 , wherein a fixing post is provided inside the housing, a fixing hole cooperating with the fixing post is formed on the audio board, and the audio board is fixed to the fixing post through the fixing hole.
6 . The film disc for the story projector according to claim 1 , wherein positioning holes are formed on the housing and the rotating disc, and the positioning holes are configured to cooperate with a positioning module of the story projector main body to trigger rotational reset of the rotating disc.
7 . The film disc for the story projector according to claim 6 , wherein the positioning module is an infrared positioning module.
8 . The film disc for the story projector according to claim 1 , wherein a limiting post is provided on one side of the rotating disc opposite to the face gear, and a limiting hole cooperating with the limiting post is formed in the housing.
9 . The film disc for the story projector according to claim 1 , wherein limiting seats are provided on the inner wall of the housing at positions corresponding to two opposite sides of the rotating disc, and the limiting seats movably abut against a side wall of the rotating disc.
10 . The film disc for the story projector according to claim 1 , wherein the housing comprises a front housing and a rear housing, the front housing and the rear housing are fastened together to form an installation cavity, and the rotating disc and the audio module are disposed within the installation cavity.