Solar vehicle

• US 20100000804A1
• Filed: 07/02/2008
• Published: 01/07/2010
• Est. Priority Date: 07/02/2008
• Status: Abandoned Application

• Current Assignee: Ming-Hsiang Yeh
• Original Assignee: Ming-Hsiang Yeh
• Inventors: Yeh, Ming-Hsiang
• Application Number:
  US12/216,267
• Publication Number:
  US 20100000804A1
• Time in Patent Office: Days
• US Class Current: 180/2.2
• CPC Class Codes: B60K 16/00 Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind electric propulsion with power supply from forces of nature, e.g. sun or wind B60L8/00; marine propulsion by wind motors driving water-engaging propulsive elements B63H13/00; wind motors specially adapted for installation on vehicles F03D9/32
• CPC Class Codes: B60K 2016/003 solar power driven
• CPC Class Codes: B60L 1/006 to power outlets
• CPC Class Codes: B60L 2210/12 Buck converters
• CPC Class Codes: B60L 2210/14 Boost converters
• CPC Class Codes: B60L 2210/30 AC to DC converters
• CPC Class Codes: B60L 2210/40 DC to AC converters
• CPC Class Codes: B60L 50/66 Arrangements of batteries
• CPC Class Codes: B60L 8/003 Converting light into electric energy, e.g. by using photo-voltaic systems
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 10/72 Electric energy management in electromobility
• CPC Class Codes: Y02T 10/90 Energy harvesting concepts as power supply for auxiliaries' energy consumption, e.g. photovoltaic sun-roof
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles

Abstract

A solar vehicle includes a vehicle body, a solar panel mounted on the vehicle body, and a vehicle battery and a conversion device arranged inside the vehicle body. The vehicle body contains therein a vehicle load connected to the vehicle battery. The conversion device includes a conversion circuit, a power flow sensor, multiple input and output ports. The conversion circuit includes a DC bus and various converters (such as DC/DC, bi-directional DC/DC, bi-directional AC/DC converter, and inverter). The power flow sensor detects power flow received in the input ports and feeds the power to the conversion circuit for conversion. The solar panel provides electrical power from solar power generation to the conversion device, which after carrying out conversion, supplies the power through the output ports to the vehicle load and the vehicle battery. As such, the electrical power received by the input ports is subjected to conversion by the conversion device and thus output through the output ports and the power flow sensor detects the power flow of the input power to select one or more of the input ports to supply electrical power to the conversion device for conversion and supply of the power to the vehicle battery.

Claims

1. A solar vehicle, comprising:

a vehicle body, which contains therein a vehicle load for in-vehicle electronic appliances;

at least one vehicle battery, which is arranged inside the vehicle body and is connected to the vehicle load for supplying electrical power thereto;

a conversion device, which is arranged inside the vehicle body, comprising first and second input ports for receiving inputs of electrical power, first and second output ports for supplying outputs of electrical power, a conversion circuit for conversion of the electrical power received by the input ports, and a power flow sensor, wherein the conversion circuit comprises a direct-current (DC) bus having an input side and an output side, a bi-directional AC (alternate-current)/DC converter and a DC/DC converter connected to the input side, and a DC/DC converter, a DC/AC inversion converter, and a bi-directional DC/DC converter connected to the output side;

wherein the second input port and the first input port, which is adapted to connect to a utility power system, are both connected to the power flow sensor and are further and respectively in connection with the DC/DC converter and the bi-directional AC/DC converter of the input side so that power flows received by the input ports can be detected and then fed to the conversion circuit for power conversion; and

wherein the DC/DC converter and the bi-directional DC/DC converter on the output side are respectively connected to the first and second output ports; and

a solar panel, which is arranged on a sun-facing surface of the vehicle body and is connected to the second input port of the conversion device to supply electrical power obtained from solar power generation thereto, the first and second output ports of the conversion device being respectively connected to the vehicle load and the vehicle battery for supplying power thereto;

whereby electrical power received by the input ports is first subjected to conversion by the conversion circuit and then output through the output ports and whereby the power flow sensor detects a power flow from the input ports to automatically determine and select one or more of the input ports to supply electrical power to the conversion circuit, which electrical power, after being subjected to conversion by the conversion circuit, is supplied to the vehicle battery.

2. The solar vehicle as claimed in claim 1, wherein the solar panel is arranged on a roof of the vehicle body.

3. The solar vehicle as claimed in claim 1, wherein the vehicle body has a roof on which a retention device is mounted, the retention device forming a receiving chamber in which the solar panel is removably received, the solar panel and the retention device being fixed together by means of a plurality of removable fasteners.

4. The solar vehicle as claimed in claim 1, wherein the vehicle body forms an opening and a cover selectively closing the opening, the opening being set to correspond in position to the conversion device, the input ports and the output ports being selectively exposed and accessible through the opening, the cover being movably mounted to the vehicle body, wherein the cover is openable to expose the input ports and the output ports and the cover is closable to cover the input ports and the output ports.

5. The solar vehicle as claimed in claim 1, wherein the conversion device further comprise a third output port and a fourth output port, the third and fourth output ports being respectively connected to the DC/DC converter and the DC/AC inverter of the output side, the third and fourth output ports being adapted to connect to a DC load and an AC load, respectively, for supplying electrical power to the DC load and the AC load.

6. The solar vehicle as claimed in claim 1, wherein the conversion device further comprises an input selector and a first timer, wherein the input ports are each connected to the input selector and the input selector is connected to the power flow sensor, whereby the input selector bases on input power flow detected by the power flow sensor to select one or more of the input ports to receive the input of electrical power, and wherein the first timer is connected to the input selector to effect time-counting for the power input, whereby the time when each input port inputs power is controlled on the basis of the first timer.

7. The solar vehicle as claimed in claim 6, wherein the time-counting carried out by the first timer includes time in a day, days in a week, and seasons in a year.

8. The solar vehicle as claimed in claim 7, wherein the time-counting carried out the first timer includes a period of time.

9. The solar vehicle as claimed in claim 1, wherein the conversion device further comprises an output selector and a second timer, wherein the output ports are each connected to the output selector and the output side converters are commonly connected to the output selector for selection of one or more of the output ports to supply the output of electrical power, and wherein the second timer is connected to the output selector to effect time-counting for power output, whereby the time when each output port outputs power is controlled on the basis of the second timer.

10. The solar vehicle as claimed in claim 9, wherein the time-counting carried out by the second timer includes time in a day, days in a week, and seasons in a year.

11. The solar vehicle as claimed in claim 10, wherein the time-counting carried out the second timer includes a period of time.

12. The solar vehicle as claimed in claim 1, wherein the conversion device further comprises an input selector, a first timer, an output selector, and a second timer, wherein the input ports are each connected to the input selector and the input selector is connected to the power flow sensor, whereby the input selector bases on input power flow detected by the power flow sensor to select one or more of the input ports to receive the input of electrical power, the first timer being connected to the input selector to effect time-counting for power input, whereby the time when each input port inputs power is controlled on the basis of the first timer, and wherein the output ports are each connected to the output selector and the output side converters are commonly connected to the output selector for selection of one or more of the output ports to supply the output of electrical power, the second timer being connected to the output selector to effect time-counting for power output, whereby the time when each output port outputs power is controlled on the basis of the second timer.

13. The solar vehicle as claimed in claim 12, wherein the time-counting carried out by the first and second timers includes time in a day, days in a week, and seasons in a year.

14. The solar vehicle as claimed in claim 13, wherein the time-counting carried out the first and second timers includes a period of time.