A camera comprising: a casing made of metal; a heating element arranged inside the casing; and a temperature control assembly comprising: a first heat exchange part, which is attached to the casing and which is in thermally conductive contact with the casing; a second heat exchange part, which is attached to the heating element and which is in thermally conductive contact with the heating element; a flexible liquid flow pipeline, which forms a flexible heat exchange loop taking the first heat exchange part and the second heat exchange part as series nodes, and has a redundant length for providing a deformation allowance for the flexible heat exchange loop; wherein the deformation allowance allows the flexible heat exchange loop to bend in response to a change in a relative position between the heating element and the casing caused by rotation of the heating element, to avoid hindering of relative rotation between the heating element and the casing by the flexible heat exchange loop; and a liquid supply driving element, which is connected in series in the flexible heat exchange loop; wherein, heat of the second heat exchange part is conducted to the first heat exchange part via the liquid flow inside the flexible liquid flow pipeline, so that the heat generated by the heating element is conducted to the casing. a casing made of metal; a heating element arranged inside the casing; and a temperature control assembly comprising: a first heat exchange part, which is attached to the casing and which is in thermally conductive contact with the casing; a second heat exchange part, which is attached to the heating element and which is in thermally conductive contact with the heating element; a flexible liquid flow pipeline, which forms a flexible heat exchange loop taking the first heat exchange part and the second heat exchange part as series nodes, and has a redundant length for providing a deformation allowance for the flexible heat exchange loop; wherein the deformation allowance allows the flexible heat exchange loop to bend in response to a change in a relative position between the heating element and the casing caused by rotation of the heating element, to avoid hindering of relative rotation between the heating element and the casing by the flexible heat exchange loop; and a liquid supply driving element, which is connected in series in the flexible heat exchange loop; wherein, heat of the second heat exchange part is conducted to the first heat exchange part via the liquid flow inside the flexible liquid flow pipeline, so that the heat generated by the heating element is conducted to the casing. a first heat exchange part, which is attached to the casing and which is in thermally conductive contact with the casing; a second heat exchange part, which is attached to the heating element and which is in thermally conductive contact with the heating element; a flexible liquid flow pipeline, which forms a flexible heat exchange loop taking the first heat exchange part and the second heat exchange part as series nodes, and has a redundant length for providing a deformation allowance for the flexible heat exchange loop; wherein the deformation allowance allows the flexible heat exchange loop to bend in response to a change in a relative position between the heating element and the casing caused by rotation of the heating element, to avoid hindering of relative rotation between the heating element and the casing by the flexible heat exchange loop; and a liquid supply driving element, which is connected in series in the flexible heat exchange loop; wherein, heat of the second heat exchange part is conducted to the first heat exchange part via the liquid flow inside the flexible liquid flow pipeline, so that the heat generated by the heating element is conducted to the casing.