Wavelength conversion module and projector

A projector, comprising an illumination module, a light valve, and a projection lens, wherein

• the illumination module is configured to provide an illumination beam, and comprises a light source apparatus and a wavelength conversion module, wherein
• the light source apparatus is configured to provide an excitation beam;
• and
• the wavelength conversion module is configured to receive the excitation beam, is disposed on a transmission path of the illumination beam, and comprises a driving assembly, a wavelength conversion substrate, and a clamping element, wherein
• the driving assembly is connected to the wavelength conversion substrate to drive the wavelength conversion substrate to rotate around a central axis of the driving assembly;
• the clamping element is attached to the wavelength conversion substrate along the central axis;
• and
• at least one of the wavelength conversion substrate and the clamping element comprises at least one recess and at least one through hole, a direction of the at least one through hole is parallel to the central axis, wherein the clamping element, the at least one recess, and the wavelength conversion substrate define at least one heat dissipation channel, and the at least one through hole is disposed relatively adjacent to the central axis and is in communication with the at least one heat dissipation channel;
• the light valve is disposed on the transmission path of the illumination beam to convert the illumination beam into an image beam;
• and
• the projection lens is disposed on a transmission path of the image beam to project the image beam from the projector.