Image sensor

  • US 10,863,061 B2
  • Filed: 02/14/2019
  • Issued: 12/08/2020
  • Est. Priority Date: 03/15/2018
  • Status: Active Grant
First Claim
Patent Images

1. An image sensor comprising:

  • an illumination part for illuminating a subject;

    a lens part for forming an optical image of the subject;

    an imaging part for generating an image based on the optical image; and

    a housing for accommodating the illumination part, the lens part, and the imaging part,wherein a cover member covering a front side of the lens part and the illumination part is attached to the housing, the cover member is light-transmissive, and a wall member partitioning a space where the lens part is arranged and a space where the illumination part is arranged is provided inside the housing, andthe housing has a heat transfer structure for transferring heat generated inside the housing to the cover member,wherein the housing comprises a case member made of metal,the case member is in contact with a heating body present inside the housing directly or via a heat conduction member, and the case member is in contact with the cover member directly or via a heat conduction member, so as to form the heat transfer structure,wherein the case member comprises a plurality of members comprising a first member and a second member which are separable, anda first sealing member is provided in between the first member and the second member for sealing a gap between the first member and the second member, and a first contact part at which the first member and the second member are in direct contact is formed,wherein the cover member is fixed to the second member,wherein a second sealing member is provided for sealing a gap between the second member and the cover member, and a second contact part at which the second member and the cover member are in direct contact is formed,wherein the cover member is screw-fixed to the second member,the second sealing member is provided closer to a center of the cover member than a screw fixing position where the cover member is screw-fixed to the second member, and the second contact part is further formed closer to the center of the cover member than the second sealing member.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×