Method of manufacturing a fuel cell module
A cell monitor connector is inserted with a first surface following a guide portion. When the cell monitor connector is further inserted, the cell monitor connector makes contact with a projection portion. In a state where the attachment is completed, the projection portion is elastically deformed so as to press a second surface. Due to this force, the cell monitor connector is held such that it is sandwiched between the projection portion and the guide portion.
1. A method of manufacturing a fuel cell module, the fuel cell module including a fuel cell having a plurality of cells, the method comprising the steps of: attaching a cell monitor connector to a first separator included in at least one cell of the plurality of cells of the fuel cell, the cell monitor connector including a housing and a connection terminal accommodated in the housing, the cell monitor connector being electrically connected to the at least one cell of the plurality of cells of the fuel cell,
the at least one cell of the plurality of cells of the fuel cell including a second separator, and a frame-shaped insulating sheet sandwiched between the first separator and the second separator and configured to insulate the first separator from the second separator,
the first separator including an exposed portion exposed from the insulating sheet and making contact with the cell monitor connector in a state where the cell monitor connector is attached to the first separator,
the exposed portion including an attachment portion making contact with the connection terminal in the state where the cell monitor connector is attached to the first separator, and a guide portion making contact with a first surface of the housing,
the insulating sheet including a projection portion projecting toward the guide portion at a position facing the guide portion,
a gap between the guide portion and the projection portion in a state where the cell monitor connector is not attached being narrower than a distance between the first surface and a second surface facing the first surface in the housing, the method further comprising:
a positioning step of positioning the first surface by bringing the first surface into contact with the guide portion; and
a step of elastically deforming the projection portion due to contact with the second surface by moving the cell monitor connector to a predetermined position with the first surface following the guide portion, so as to sandwich the attachment portion by a slit portion provided in a distal end of the housing.
2. The method according to claim 1 , wherein:
the insulating sheet is made of resin; and
the first separator is made of metal.
3. The method according to claim 1 , wherein:
the positioning step includes a step of sandwiching the guide portion by a corner of the slit portion before the first surface is brought into contact with the guide portion; and
after the guide portion is sandwiched by the corner of the slit portion, the cell monitor connector is moved toward the predetermined position, so that the first surface is brought into contact with the guide portion.
4. The method according to claim 3 , further comprising, before the positioning step, a step of rotationally moving an intermediate product including the at least one cell of the plurality of cells of the fuel cell so that a direction where the cell monitor connector is moved along the guide portion becomes a vertical direction.