1. An optical scanning imaging system comprising:
an illumination system emitting an imaging beam;
a scanner scanning the beam incident from the illumination system;
a non-linear optical element made of a material having a Kerr effect and forming a lens automatically aligned while following a path of the imaging beam scanned by the scanner; and
a pumping light source causing non-linear optical refractive index change that forms the lens in the non-linear optical element while following the path of the imaging beam by activating the non-linear optical element.
2. The optical scanning imaging system of claim 1, wherein the non-linear optical element has a shape following an arc of a circle whose center coincides with a center of an axis of the scanner.
3. The optical scanning imaging system of claim 2, wherein the pumping light source is a laser light source.
4. The optical scanning imaging system of claim 2, wherein a pumping beam emitted from the pumping light source is incident to the scanner through the same optical path as that of the imaging beam.
5. The optical scanning imaging system of claim 2, wherein the pumping light source emits a pumping beam of a wavelength different from a wavelength of the imaging beam emitted from the illumination system.
6. The optical scanning imaging system of claim 2, further comprising:
a pumping beam modulator disposed on a path of a pumping beam emitted from the pumping light source and modulating an intensity of the pumping beam so as to adjust a focal length of the lens formed by the non-linear optical element.
7. The optical scanning imaging system of claim 2, further comprising:
a pumping beam cutter removing a pumping beam emitted from the pumping light source and passing through the non-linear optical element.
8. The optical scanning imaging system of claim 2, further comprising:
a condensing lens reducing a size of a beam illuminated to the scanner on an optical path before the scanner.
9. The optical scanning imaging system of claim 1, wherein the pumping light source is a laser light source.
10. The optical scanning imaging system of claim 1, wherein a pumping beam emitted from the pumping light source is incident to the scanner through the same optical path as that of the imaging beam.
11. The optical scanning imaging system of claim 1, wherein the pumping light source emits a pumping beam of a wavelength different from a wavelength of the imaging beam emitted from the illumination system.
12. The optical scanning imaging system of claim 1, further comprising:
a pumping beam modulator disposed on a path of a pumping beam emitted from the pumping light source and modulating an intensity of the pumping beam so as to adjust a focal length of the lens formed by the non-linear optical element.
13. The optical scanning imaging system of claim 1, further comprising:
a pumping beam cutter removing a pumping beam emitted from the pumping light source and passing through the non-linear optical element.
14. The optical scanning imaging system of claim 1, further comprising:
a condensing lens reducing a size of a beam illuminated to the scanner on an optical path before the scanner.
15. The optical scanning imaging system of claim 1, further comprising:
a pumping beam modulator disposed on a path of a pumping beam emitted from the pumping light source and modulating an intensity of the pumping beam so as to adjust a focal length of the lens formed by the non-linear optical element; and
a pumping beam cutter removing a pumping beam emitted from the pumping light source and passing through the non-linear optical element.
16. The optical scanning imaging system of claim 1, wherein the illumination system is a laser illumination system using a laser light source.
17. The optical scanning imaging system of claim 16, wherein the illumination system is formed to emit a plurality of laser beams for each wavelength including R, G, and B laser beams modulated according to an image signal through a single optical path.
18. An optical apparatus comprising the optical scanning imaging system of claim 1.
19. The apparatus of claim 18, wherein the non-linear optical element has a shape following an arc of a circle whose center matches with a center of an axis of the scanner.
20. The apparatus of claim 19, wherein the pumping light source is a laser light source.
21. The apparatus of claim 19, wherein a pumping beam emitted from the pumping light source is incident to the scanner through the same optical path as that of the imaging beam.
22. The apparatus of claim 19, wherein the pumping light source emits a pumping beam of a wavelength different from a wavelength of the imaging beam emitted from the illumination system.
23. The apparatus of claim 19, further comprising:
a pumping beam modulator disposed on a path of a pumping beam emitted from the pumping light source and modulating an intensity of the pumping beam so as to adjust a focal length of the lens formed by the non-linear optical element.
24. The apparatus of claim 19, further comprising:
a pumping beam cutter removing a pumping beam emitted from the pumping light source and passing through the non-linear optical element.
25. The apparatus of claim 19, further comprising:
a condensing lens reducing a size of a beam illuminated to the scanner on an optical path before the scanner.
26. The apparatus of claim 18, wherein the pumping light source is a laser light source.
27. The apparatus of claim 18, wherein a pumping beam emitted from the pumping light source is incident to the scanner through the same optical path as that of the imaging beam.
28. The apparatus of claim 18, wherein the pumping light source emits a pumping beam of a wavelength different from a wavelength of the imaging beam emitted from the illumination system.
29. The apparatus of claim 18, further comprising:
a pumping beam modulator formed on a path of a pumping beam emitted from the pumping light source and modulating an intensity of the pumping beam so as to adjust a focal length of the lens formed by the non-linear optical element.
30. The apparatus of claim 18, further comprising:
a pumping beam cutter removing a pumping beam emitted from the pumping light source and passing through the non-linear optical element.
31. The apparatus of claim 18, further comprising:
a condensing lens reducing a size of a beam illuminated to the scanner on an optical path before the scanner.
32. The apparatus of claim 18, further comprising:
a pumping beam modulator disposed on a path of a pumping beam emitted from the pumping light source and modulating an intensity of the pumping beam so as to adjust a focal length of the lens formed by the non-linear optical element; and
a pumping beam cutter removing a pumping beam emitted from the pumping light source and passing through the non-linear optical element.
33. The apparatus of claim 18, wherein the illumination system of the optical scanning imaging system is a laser illumination system using a laser light source.
34. The apparatus of claim 18, wherein the illumination system is formed to emit a plurality of laser beams for each wavelength including R, G, and B laser beams modulated according to an image signal through a single optical path.
35. The apparatus of claim 18, wherein the apparatus is one of an optical scanning apparatus and a projection apparatus forming a projection image.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A thermal management system for a vehicle, comprising:
a first pump and a second pump sucking and discharging a heat medium;
a first heat exchanger and a second heat exchanger exchanging heat with the heat medium, to change a temperature of the heat medium;
at least one of temperature adjustment target devices, each of which has a temperature adjusted by the heat medium;
numerous flow paths allowing the heat medium to flow therethrough, the numerous flow paths including a first-pump arrangement flow path in which the first pump is disposed, a second-pump arrangement flow path in which the second pump is disposed, and a temperature-adjustment target-device arrangement flow path in which one or more of the temperature adjustment target devices is disposed;
a switching portion connected to one ends of the numerous flow paths, and adapted to allow the numerous flow paths to selectively communicate with each other; and
a communication flow path connected to the other ends of the numerous flow paths in parallel with each other, and adapted to allow the numerous flow paths to communicate with each other, wherein
the first-pump arrangement flow path, the temperature-adjustment target-device arrangement flow path, and the second-pump arrangement flow path are connected to the communication flow path in this order, from one end side of the communication flow path toward the other end side of the communication flow path,
the first heat exchanger is disposed in one flow path among the numerous flow paths, that is connected to the communication flow path at a position on a side of the first-pump arrangement flow path, rather than the second-pump arrangement flow path in which the second heat exchanger is disposed, and
the switching portion is operated to have communication between plural flow paths among the numerous flow paths, starting from the one flow path connected to the communication flow path at a position closest to the one end side of the communication flow path, up to a flow path connected to the communication flow path at an n-th position counted from the one end side of the communication flow path.
2. The thermal management system for a vehicle according to claim 1, wherein the switching portion is operated such that the first-pump arrangement flow path is included in the plural flow paths, and that the second-pump arrangement flow path is included in a flow path other than the plural flow paths, among the numerous flow paths.
3. The thermal management system for a vehicle according to claim 1, further comprising:
a plurality of the temperature-adjustment target-device arrangement flow paths, wherein
the temperature adjustment target devices are respectively arranged in the temperature-adjustment target-device arrangement flow paths, and
an allowable temperature of the temperature adjustment target device disposed in the temperature-adjustment target-device arrangement flow path positioned on the one end side of the communication passage, among the temperature-adjustment target-device arrangement flow paths, is equal to or higher than an allowable temperature of the temperature adjustment target device disposed in the temperature-adjustment target-device arrangement flow path positioned on the other end side of the communication passage, among the temperature-adjustment target-device arrangement flow paths.
4. The thermal management system for a vehicle according to claim 1, wherein,
in a case where the first pump, the first heat exchanger, and the at least one of the temperature adjustment target devices communicate each other to allow the plural flow paths to form a first heat medium circuit, while two or more flow paths among the numerous flow paths, which are flow paths other than the plural flow paths, and which include the second-pump arrangement flow path, communicate each other to form a second heat medium circuit,
the switching portion is operated such that the second pump, the second heat exchanger, and the temperature adjustment target device to communicate each other to form the second heat medium circuit, (i) when a temperature of the heat medium in the first heat medium circuit is detected or estimated to exceed a predetermined temperature, or (ii) when a temperature of the heat medium in the first heat medium circuit is predicted to exceed a predetermined temperature.
5. The thermal management system for a vehicle according to claim 4, wherein the at least one of the temperature adjustment target devices, forming the first heat medium circuit, is included in the second heat medium circuit.
6. The thermal management system for a vehicle according to claim 4, wherein
the at least one of the temperature adjustment target devices includes an electric device that generates heat when being energized, and
the first heat exchanger is an air-heat medium heat exchanger that exchanges heat between air and the heat medium.
7. The thermal management system for a vehicle according to claim 4, wherein
the at least one of the temperature adjustment target devices includes a battery cooler that cools a battery with the heat medium,
the first heat exchanger is an air-heat medium heat exchanger exchanging heat between air and the heat medium, and
the second heat exchanger is a chiller exchanging heat between a low-pressure refrigerant in a refrigeration cycle and the heat medium.
8. The thermal management system for a vehicle according to claim 1, wherein in a case where
(i) the at least one of the temperature adjustment target devices includes a condenser exchanging heat between a high-pressure refrigerant in a refrigeration cycle and the heat medium, an inverter converting a direct-current power into an alternate-current power, and a battery cooler cooling a battery with the heat medium,
(ii) the first heat exchanger is an air-heat medium heat exchanger exchanging heat between air and the heat medium,
(iii) the air-heat medium heat exchanger is disposed in the first-pump arrangement flow path,
(iv) the second heat exchanger is a chiller exchanging heat between a low-pressure refrigerant in the refrigeration cycle and the heat medium,
(v) the chiller is disposed in the second-pump arrangement flow path,
(vi) the flow path among the numerous flow paths, in which the condenser is disposed, is a condenser arrangement flow path,
(vii) the flow path among the numerous flow paths, in which the inverter is disposed, is an inverter arrangement flow path, and
(viii) the flow path among the numerous flow paths, in which the battery cooler is disposed, is a battery cooler arrangement flow path,
the first-pump arrangement flow path, the condenser arrangement flow path, the inverter arrangement flow path, the battery cooler arrangement flow path, and the second-pump arrangement flow path are connected in this order to the communication flow path from the one end side to the other end side of the communication flow path.
9. The thermal management system for a vehicle according to claim 8, wherein
the temperature-adjustment target-device arrangement flow path includes the condenser arrangement flow path, the inverter arrangement flow path, and the battery cooler arrangement flow path, and
the condenser arrangement flow path, the inverter arrangement flow path, and the battery cooler arrangement flow path are connected to the communication flow path in this order from one end side to the other end side of the communication flow path.
10. The thermal management system for a vehicle according to claim 1, wherein
the first heat exchanger is an air-heat medium heat exchanger exchanging heat between air and the heat medium,
when an abnormality is assumed or determined to occur in one of the first pump and the second pump, the switching portion is operated such that the at least one of the temperature adjustment target devices communicates with the other one of the first pump and the second pump, as well as the air-heat medium heat exchanger.
11. The thermal management system for a vehicle according to claim 1, further comprising:
a bypass flow path connected to a flow path among the numerous flow paths, in which the first heat exchanger is disposed, and adapted to allow the heat medium to bypass the first heat exchanger; and
a valve body switching between a flow of the heat medium through the first heat exchanger and a flow of the heat medium through the bypass flow path, wherein
at least one of the temperature adjustment target devices includes a condenser exchanging heat between a high-pressure refrigerant in the refrigeration cycle and the heat medium, a heater core exchanging heat between the heat medium and air to be blown into a vehicle compartment, and a cooling target device cooled by the heat medium,
the first heat exchanger is an air-heat medium heat exchanger exchanging heat between air and the heat medium,
the second heat exchanger is a chiller exchanging heat between a low-pressure refrigerant in the refrigeration cycle and the heat medium, and
the switching portion is operated to allow the chiller and the cooling target device to communicate with each other, and to allow the condenser, the heater core, and the air-heat medium heat exchanger to communicate with each other, while the valve body is operated to allow the heat medium to flow through the bypass flow path.
12. The thermal management system for a vehicle according to claim 1, wherein
the at least one of the temperature adjustment target devices include a chiller exchanging heat between a low-pressure refrigerant in the refrigeration cycle and the heat medium, a heat exchanger for a cold accumulator that cools or heats a cold accumulator capable of storing cold heat therein, and a refrigerant supercooling heat exchanger that supercools a refrigerant cooled by a condenser with the heat medium, the condenser being adapted to exchange heat between a high-pressure refrigerant in the refrigeration cycle and the heat medium, and
the switching portion is operated to establish communication between the heat exchanger for the cold accumulator and the refrigerant supercooling heat exchanger when cold heat is stored in the cold accumulator.
13. The thermal management system for a vehicle according to claim 1, wherein
the one or more temperature adjustment target devices include an internal combustion engine, an oil-heat medium heat exchanger exchanging heat between oil and the heat medium, a heater core heating air to be blown into a vehicle compartment by exchanging heat between the air and the heat medium, an intercooler exchanging heat between the heat medium and a supercharged intake air drawn into the internal combustion engine, and an inverter converting a direct-current power into an alternate-current power, and
each of the first heat exchanger and the second heat exchanger is a radiator that exchanges heat between the heat medium and outside air.
14. The thermal management system for a vehicle according to claim 1, wherein
the at least one of the temperature adjustment target devices include a condenser exchanging heat between a high-pressure refrigerant in the refrigeration cycle and the heat medium, a heater core heating air to be blown into a vehicle compartment by exchanging heat between the air and the heat medium, an inverter converting a direct-current power into an alternate-current power, a battery cooler cooling a battery with the heat medium, and an exhaust heat-recovering heat exchanger in ventilation that exchanges heat between the heat medium and a vehicle interior air to be discharged toward an outside of the vehicle for ventilation,
the first heat exchanger is a radiator exchanging heat between the heat medium and outside air, and
the second heat exchanger is a chiller exchanging heat between a low-pressure refrigerant in the refrigeration cycle and the heat medium.
15. The thermal management system for a vehicle according to claim 1, wherein
the at least one of the temperature adjustment target devices includes an intercooler exchanging heat between a supercharged intake air to be sucked into an internal combustion engine and the heat medium, an inverter converting a direct-current power into an alternate-current power, and a battery cooler cooling a battery with the heat medium,
the first heat exchanger is a first radiator exchanging heat between outside air and the heat medium,
the second heat exchanger is a second radiator exchanging heat between outside air and the heat medium, and
the second radiator is disposed on an upstream side of an outside air flow with respect to the first radiator, or on a vertically downward side with respect to the first radiator.
16. The thermal management system for a vehicle according to claim 1, wherein
the first heat exchanger is a radiator exchanging heat between outside air and the heat medium, and
in the temperature-adjustment target-device arrangement flow path, the temperature adjustment target device and the radiator are arranged in parallel with each other.
17. The thermal management system for a vehicle according to claim 14, wherein
the first heat exchanger is a radiator exchanging heat between the heat medium and outside air,
the second heat exchanger is a chiller exchanging heat between a low-pressure refrigerant in the refrigeration cycle and the heat medium,
the radiator is disposed in the first-pump arrangement flow path, and
the chiller is disposed in the second-pump arrangement flow path.
18. The thermal management system for a vehicle according to claim 1, wherein
the switching portion includes a housing with a heat medium flow path formed therein, a valve body accommodated in the housing, and a rotary shaft fixed to the valve body,
the valve body is a plate-like valve body that partitions an internal space of the housing into two spaces, or is a rotary valve body that partitions an internal space of the housing into two spaces, and
in the housing, the numerous flow paths are connected side by side in a rotation direction of the valve body.