Solar umbrella

1. A solar umbrella comprising

an umbrella structure, a control circuit, and a cooling structure;

wherein the cooling structure and the control circuit attach to the umbrella structure;

wherein the solar umbrella forms a temporary shelter;

wherein the solar umbrella creates a protected space;

wherein the umbrella structure forms the protected space;

wherein the cooling structure generates an air flow within the protected space;

wherein the control circuit provides electrical energy used to operate the cooling structure;

wherein the control circuit comprises a power output circuit, a master switch, and a power circuit;

wherein the power output circuit, the master switch, and the power circuit are electrically interconnected;

wherein the power circuit powers the operation of the control circuit;

wherein the power output circuit provides a port that presents an electric voltage suitable for use in powering and charging an externally provided electrically powered device;

wherein the power output circuit forms a series electric circuit with the power circuit;

wherein the master switch is wired in series with the fan such that the master switch controls the flow of electric energy from the power circuit into the fan;

wherein the circuit formed by the combination of the master switch and the fan forms a parallel circuit with the power output circuit;

wherein the umbrella structure is a mechanical structure;

wherein the umbrella structure forms a protected space;

wherein the umbrella structure forms a barrier that encloses the superior boundary of the protected space;

wherein the umbrella structure is a collapsible structure;

wherein the control circuit is an electric circuit;

wherein the control circuit provides the electric energy necessary to operate the cooling structure;

wherein the control circuit provides the electric energy used to an additional electrically powered device;

wherein the control circuit is an independently powered electric circuit;

wherein by independently powered is meant that the control circuit can provide electric energy to operate the cooling structure and the externally provided electrically powered devices without an electrical connection to an external power source;

wherein the cooling structure is an electromechanical device;

wherein the cooling structure is an electrically powered device;

wherein the cooling structure electrically connects to the control circuit;

wherein the cooling structure draws electric energy for operation from the control circuit;

wherein the cooling structure generates an air flow through the protected space formed by the umbrella structure;

a center rod, a canopy, and a plurality of ribs;

wherein the center rod elevates the canopy and the plurality of ribs;

wherein the cooling structure comprises a fan and a fan clip;

wherein the fan clip removably attaches the fan to the center rod of the umbrella structure;

wherein the power circuit is an electrical circuit;

wherein the power circuit is an electrochemical device;

wherein the power circuit converts chemical potential energy into the electrical energy required to power the control circuit;

wherein the power output circuit is an electric circuit;

wherein the master switch is an electric switch;

wherein the master switch is a maintained switch.

2. The solar umbrella according to claim 1

wherein the power circuit comprises a battery, a diode, and a photovoltaic cell;

wherein the battery, the diode, and the photovoltaic cell are electrically interconnected;

wherein the battery further comprises a first positive terminal and a first negative terminal;

wherein the photovoltaic cell further comprises a second positive terminal and a second negative terminal.

3. The solar umbrella according to claim 2

wherein the center rod is an extension structure;

wherein the center rod anchors the canopy and the plurality of ribs.

4. The solar umbrella according to claim 3

wherein the center rod comprises a stanchion and a stake;

wherein the stanchion attaches to the stake to form a composite structure;

wherein the stanchion forms the extension structure that elevates the canopy of the umbrella structure above the ground in which the stake anchors the umbrella structure;

wherein the stake is a spit shaped structure;

wherein the stake is driven into the ground to anchor the umbrella structure into a fixed position.

5. The solar umbrella according to claim 4

wherein the canopy is a sheeting structure;

wherein the canopy forms the superior barrier of the protected space formed by the umbrella structure.

6. The solar umbrella according to claim 5

wherein the canopy forms a fluid impermeable barrier;

wherein the canopy forms an opaque barrier;

wherein the canopy forms the surface on which the photovoltaic cell of the control circuit attaches;

wherein the photovoltaic cell mounts on the superior surface of the canopy.

7. The solar umbrella according to claim 6

wherein the plurality of ribs form a load bearing structure;

wherein each of the plurality of ribs attaches to the stanchion of the center rod;

wherein each of the plurality of ribs attaches to the stanchion such that the plurality of ribs rotates between an open position and a closed position;

wherein the plurality of ribs attaches the canopy to the center rod such that the canopy also rotates between an open position and a closed position;

wherein the plurality of ribs collapses into the closed position to prepare the umbrella structure for storage;

wherein the plurality of ribs deploys into the open position to create the protected space formed by the umbrella structure.

8. The solar umbrella according to claim 7

wherein the power output circuit comprises a limit resistor, a Zener diode, and an output port;

wherein the limit resistor, the Zener diode, and the output port are electrically interconnected;

wherein the limit resistor is an electric circuit element;

wherein the limit resistor limits the flow of electricity through the Zener diode;

wherein the Zener diode is an electric circuit element;

wherein the Zener diode presents a relatively constant voltage, known as a Zener voltage, to the output port;

wherein the output port is an electric port;

wherein the output port presents as its output voltage the Zener voltage of the Zener diode;

wherein the output port transmits the electric energy received from the power circuit to the externally provided electrically powered device.

9. The solar umbrella according to claim 8

wherein the battery is a rechargeable battery;

wherein the photovoltaic cell is an electrical device that converts light into electrical energy;

wherein the photovoltaic cell is directly wired to the battery;

wherein the photovoltaic cell is an electrical circuit that reverses the polarity of the rechargeable battery;

wherein the diode is an electrical device that allows current to flow in only one direction;

wherein the diode installs between the rechargeable battery and the photovoltaic cell such that electricity will not flow from the first positive terminal of the rechargeable battery into the second positive terminal of the photovoltaic cell.

10. The solar umbrella according to claim 9

wherein the fan is an electrically powered device;

wherein the fan physically generates the air flow through the protected space formed by the umbrella structure.

11. The solar umbrella according to claim 10

wherein the fan clip is a mechanical structure;

wherein the fan clip is a spring loaded structure;

wherein the fan clip removably attaches the fan to the stanchion of the center rod of the umbrella structure.

12. The solar umbrella according to claim 11

wherein the fan clip further comprises a universal joint;

wherein the universal joint is a locking universal joint;

wherein the universal joint physically attaches the fan to the fan clip such that the fan rotates relative to the stanchion of the center rod;

wherein the universal joint allows for the adjustment of the direction of the air flow through the protected space formed by the umbrella structure.