1. A vehicle power generating device comprising:
an alternator which has a voltage regulator that keeps the voltage of generated power constant, the alternator having an excitation winding that becomes excited when energized, the alternator generates power by rotation of the excited winding; and
an electronic control unit that controls the voltage regulator,
wherein the alternator has an abnormally high temperature determining portion that determines whether the temperature of the alternator is abnormally high, and an abnormal signal outputting portion which, when it has been determined by the abnormally high temperature determining portion that the temperature of the alternator is abnormally high, outputs a signal indicative of the determination that the temperature is abnormally high to the electronic control unit; and when the electronic control unit receives the signal indicative of the determination that the temperature is abnormally high, the electronic control unit calculates a target voltage to be generated by the alternator based on information relating to a state of the vehicle, the target voltage being a minimum voltage with which an on-board electrical load can be properly operated and the target voltage is lower than a normal voltage which is calculated when an abnormally high temperature is not determined; and
wherein when the electronic control unit receives the signal indicative of the determination that the temperature is abnormally high, the electronic control unit controls the voltage regulator according to the target voltage such that the alternator generates the minimum voltage with which the on-board electrical load can be properly operated and the electronic control unit controls the voltage regulator to suppress a maximum value of the excitation current that is allowed to flow through the alternator to a value that is lower than a normal maximum value when the abnormally high temperature is not determined.
2. The vehicle power generating device according to claim 1, further comprising:
a communication line, one end of which is connected to the voltage regulator and the other end of which is connected to the electronic control unit,
wherein the signal indicative of the determination that the temperature is abnormally high is output via the communication line; and the electronic control unit controls the voltage regulator via the communication line, as well as receives the signal indicative of the determination that the temperature is abnormally high via the communication line.
3. The vehicle power generating device according to claim 1, wherein the electronic control unit periodically calculates the target voltage.
4. The vehicle power generating device according to claim 1, wherein the state of the vehicle includes the operating state of the on-board electrical load or the running state of the vehicle.
5. The vehicle power generating device according to claim 1, wherein the on-board electrical load includes a meter or a lamp.
6. A vehicle power generating system comprising:
the vehicle power generating device according to claim 1; and
a power storage device that stores the power generated by the alternator,
wherein the state of the vehicle includes the state of the power storage device.
7. A control method of a vehicle alternator which is provided with an excitation winding that becomes excited when energized, a voltage regulator that keeps the voltage of generated power constant, and an abnormally high temperature determining portion that determines whether the temperature of the alternator is abnormally high, the vehicle alternator generating power by the rotation of the excited excitation winding, the control method comprising:
detecting the temperature of the alternator;
determining whether the temperature of the alternator is abnormally high;
calculating a target voltage to be generated by the alternator based on information relating to a state of the vehicle when it is determined that the temperature of the alternator is abnormally high, the target voltage being a minimum voltage with which an on-board electrical load can be properly operated, the target voltage is lower than a normal voltage which is calculated when an abnormally high temperature is not determined;
controlling the alternator according to the target voltage such that the alternator generates the minimum voltage with which an on-board electrical load can be properly operated, when it is determined that the temperature of the alternator is abnormally high; and
suppressing a maximum value of the excitation current that is allowed to flow through the alternator to a value that is lower than a normal maximum value when the abnormally high temperature is not determined.
8. The control method according to claim 7, wherein the state of the vehicle includes the operating state of the on-board electrical load or a running state of the vehicle.
9. The control method according to claim 7, wherein the power generated by the alternator is used to charge a power storage device mounted in the vehicle, and the state of the vehicle includes a state of the power storage device.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A surface mounting type antenna comprising:
a base body formed in a rectangular parallelepiped shape and made of a dielectric or magnetic material, the base body including a first pair of side faces opposed to each other, a pair of end faces opposed to each other and a second pair of side faces opposed to each other;
a group of radiation electrodes formed on the base body, including radiation electrodes formed on the first pair of side faces so as to extend from one end face side to another end face side thereof, and a radiation electrode formed on either one of the one end face side and the other end face side of one side face of the second pair of side faces, the radiation electrode being connected to the radiation electrodes formed on the first pair of side faces; and
a feeder terminal formed on a part of either one of the first pair of side faces, the part being in a vicinity of another side face of the second pair of side faces, the feeder terminal being connected to the group of radiation electrodes.
2. The surface mounting type antenna of claim 1, wherein a recess or a through hole is provided extending from the other side face toward the one side face of the second pair of side faces of the base body.
3. The surface mounting type antenna of claim 1, wherein the base body is made of a dielectric material and a relative dielectric constant thereof r is in a range of 3 to 30.
4. The surface mounting type antenna of claim 1, wherein the base body is made of a magnetic material and a relative permeability thereof r is in a range of 1 to 8.
5. A surface mounting type antenna comprising:
a base body formed in a rectangular parallelepiped shape and made of a dielectric or magnetic material, the base body including a first pair of side faces opposed to each other, a pair of end faces opposed to each other and a second pair of side faces opposed to each other;
a group of radiation electrodes formed on the base body, including radiation electrodes formed on the first pair of side faces so as to extend from one end face side to another end face side thereof, and a radiation electrode formed on either one of the one end face side and the other end face side of one side face of the second pair of side faces, the radiation electrode being connected to the radiation electrodes formed on the first pair of side faces; and
a feeder terminal formed on a part of either one of the first pair of side faces, the part being in a vicinity of the one side face of the second pair of side faces, the feeder terminal being connected to the group of radiation electrodes.
6. The surface mounting type antenna of claim 5, wherein a recess or a through hole is provided extending from the other side face toward the one side face of the second pair of side faces of the base body.
7. The surface mounting type antenna of claim 5, wherein the base body is made of a dielectric material and a relative dielectric constant thereof r is in a range of 3 to 30.
8. The surface mounting type antenna of claim 5, wherein the base body is made of a magnetic material and a relative permeability thereof r is in a range of 1 to 8.
9. An antenna apparatus comprising:
a mounting substrate on a surface of which a feeder electrode and a ground conductor layer arranged on one side with respect to the feeder electrode are formed; and
the surface mounting type antenna of claim 1,
wherein the surface mounting type antenna is mounted on another side with respect to the feeder electrode in a state where either one of the first pair of side faces on which the feeder terminal is formed, faces the surface of the mounting substrate, and the feeder terminal is connected to the feeder electrode.
10. An antenna apparatus comprising:
a mounting substrate on a surface of which a feeder electrode and a ground conductor layer arranged on one side with respect to the feeder electrode are formed; and
the surface mounting type antenna of claim 2,
wherein the surface mounting type antenna is mounted on another side with respect to the feeder electrode in a state where either one of the first pair of side faces on which the feeder terminal is formed, faces the surface of the mounting substrate, and the feeder terminal is connected to the feeder electrode.
11. An antenna apparatus comprising:
a mounting substrate on a surface of which a feeder electrode and a ground conductor layer arranged on one side with respect to the feeder electrode are formed; and
the surface mounting type antenna of claim 1,
wherein the surface mounting type antenna is mounted on another side with respect to the feeder electrode in a state where the other side face of the second pair of side faces faces the surface of the mounting substrate, and the feeder terminal is connected to the feeder electrode.
12. An antenna apparatus comprising:
a mounting substrate on a surface of which a feeder electrode and a ground conductor layer arranged on one side with respect to the feeder electrode are formed; and
the surface mounting type antenna of claim 2,
wherein the surface mounting type antenna is mounted on another side with respect to the feeder electrode in a state where the other side face of the second pair of side faces faces the surface of the mounting substrate, and the feeder terminal is connected to the feeder electrode.
13. An antenna apparatus comprising:
a mounting substrate on a surface of which a feeder electrode and a ground conductor layer arranged on one side with respect to the feeder electrode are formed; and
the surface mounting type antenna of claim 5,
wherein the surface mounting type antenna is mounted on another side with respect to the feeder electrode in a state where the one side face of the second pair of side faces faces the surface of the mounting substrate, and the feeder terminal is connected to the feeder electrode.
14. An antenna apparatus comprising:
a mounting substrate on a surface of which a feeder electrode and a ground conductor layer arranged on one side with respect to the feeder electrode are formed; and
the surface mounting type antenna of claim 6,
wherein the surface mounting type antenna is mounted on another side with respect to the feeder electrode in a state where the one side face of the second pair of side faces faces the surface of the mounting substrate, and the feeder terminal is connected to the feeder electrode.
15. A radio communication apparatus comprising:
the surface mounting type antenna of claim 1; and
at least one of a transmission circuit and a reception circuit, which cope with radio signals of different two frequency bands, connected thereto.
16. A radio communication apparatus comprising:
the surface mounting type antenna of claim 2; and
at least one of a transmission circuit and a reception circuit, which cope with radio signals of different two frequency bands, connected thereto.
17. A radio communication apparatus comprising:
the surface mounting type antenna of claim 5; and
at least one of a transmission circuit and a reception circuit, which cope with radio signals of different two frequency bands, connected thereto.
18. A radio communication apparatus comprising:
the surface mounting type antenna of claim 6; and
at least one of a transmission circuit and a reception circuit, which cope with radio signals of different two frequency bands, connected thereto.
19. A radio communication apparatus comprising:
the antenna apparatus of claim 9; and
at least one of a transmission circuit and a reception circuit, which cope with radio signals of different two frequency bands, connected thereto.
20. A radio communication apparatus comprising:
the antenna apparatus of claim 10; and
at least one of a transmission circuit and a reception circuit, which cope with radio signals of different two frequency bands, connected thereto.
21. A radio communication apparatus comprising:
the antenna apparatus of claim 11; and
at least one of a transmission circuit and a reception circuit, which cope with radio signals of different two frequency bands, connected thereto.
22. A radio communication apparatus comprising:
the antenna apparatus of claim 12; and
at least one of a transmission circuit and a reception circuit, which cope with radio signals of different two frequency bands, connected thereto.
23. A radio communication apparatus comprising:
the antenna apparatus of claim 13; and
at least one of a transmission circuit and a reception circuit, which cope with radio signals of different two frequency bands, connected thereto.
24. A radio communication apparatus comprising:
the antenna apparatus of claim 14; and
at least one of a transmission circuit and a reception circuit, which cope with radio signals of different two frequency bands, connected thereto.