Image forming apparatus and board
An image forming apparatus includes: a board; a semiconductor integrated circuit that is provided on the board and has a real-time clock circuit; a radiator that is provided at a position for covering the semiconductor integrated circuit and receives heat from the semiconductor integrated circuit and radiates the heat; and an oscillator that is provided in a space sandwiched between the board and the radiator and vibrates to supply a clock signal to the real-time clock circuit.
1. An image forming apparatus comprising:
a board;
a semiconductor integrated circuit that is provided on the board and has a real-time clock circuit;
a radiator that is provided at a position for covering the semiconductor integrated circuit and receives heat from the semiconductor integrated circuit and radiates the heat; and
an oscillator that is provided in a space sandwiched between the board and the radiator and vibrates to supply a clock signal to the real-time clock circuit.
2. The image forming apparatus according to claim 1 , wherein
an operation of the semiconductor integrated circuit is accompanied by variations in temperature occurring in the radiator, and
the oscillator is provided at a position facing a low temperature region of the radiator in the space.
3. The image forming apparatus according to claim 2 , wherein
the board has a surface oriented in a vertical direction, and
the oscillator is provided in a lower region of the space.
4. The image forming apparatus according to claim 3 , wherein
the radiator has a plurality of heat radiating portions placed side by side and extending in the vertical direction.
5. The image forming apparatus according to claim 2 , further comprising:
an air flow generator that generates an air flow toward the radiator, wherein
the oscillator is provided upstream in a direction of the air flow in the space.
6. The image forming apparatus according to claim 5 , wherein
the oscillator has a long shape in one direction, and is disposed to have a longitudinal direction intersecting the air flow.
7. The image forming apparatus according to claim 1 , wherein
the oscillator is provided on the board, and a gap is formed between the oscillator and the radiator.
8. The image forming apparatus according to claim 7 , further comprising:
a limiting member that is sandwiched between the board and the radiator to limit a movement of the radiator toward the board.
9. The image forming apparatus according to claim 8 , wherein
a height of the oscillator from the board is smaller than a height of the semiconductor integrated circuit from the board.
10. The image forming apparatus according to claim 1 , further comprising:
a capacitor that is connected to the semiconductor integrated circuit and the oscillator and is provided in the space.
11. The image forming apparatus according to claim 1 , wherein
the oscillator has a long shape in one direction, and the oscillator is disposed to have a longitudinal direction in a vertical direction.
12. A board comprising:
a board main body;
a semiconductor integrated circuit that is provided on the board main body and has a real-time clock circuit;
a radiator that is provided at a position for covering the semiconductor integrated circuit and receives heat from the semiconductor integrated circuit and radiates the heat; and
an oscillator that is provided in a space sandwiched between the board main body and the radiator and vibrates to supply a clock signal to the real-time clock circuit.