Hybrid power pack

• US 10,523,019 B2
• Filed: 08/11/2015
• Issued: 12/31/2019
• Est. Priority Date: 07/10/2015
• Status: Active Grant

• Current Assignee: Hemant Rohera
• Original Assignee: Hemant Rohera
• Inventors: Rohera, Hemant
• Primary Examiner(s): Williams, Arun C
• Application Number:
  US15/741,621
• Publication Number:
  US 20180198290A1
• Time in Patent Office: 1,603 Days
• Field of Search: 320134
• CPC Class Codes: H01M 10/425 Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing printed circuits H05K1/00
• CPC Class Codes: H01M 10/46 Accumulators structurally combined with charging apparatus circuits for charging H02J7/00
• CPC Class Codes: H01M 16/003 of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
• CPC Class Codes: H01M 2010/4271 Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
• CPC Class Codes: H02J 1/108 using diodes blocking reverse current flow H02J1/12 takes precedence
• CPC Class Codes: H02J 7/0014 Circuits for equalisation of charge between batteries
• CPC Class Codes: H02J 7/345 using capacitors as storage or buffering devices
• CPC Class Codes: Y02E 60/50 Fuel cells

Abstract

The present disclosure relates to a hybrid power pack. The hybrid power pack includes a first storage component, a second storage component, a battery management system, a cell balancing circuit, a capacitor balancing circuit, a bidirectional switch, a unipolar transistor, an inout port, a first unidirectional switch and a second unidirectional switch. The hybrid power pack can provide sustained DC power to a load, drawing power selectively from the first storage component, the second storage component or from both storage components simultaneously.

Claims

1. A hybrid power pack, comprising:

a first storage component generating a first DC output voltage and a first DC output current;

a battery management system coupled to the first storage component via a first unidirectional switch to provide a charging path for the first storage component;

an inout port connected to the battery management system;

a second unidirectional switch coupling the inout port with the first storage component to provide a discharging path for the first storage component;

a second storage component generating a second DC output voltage and a second DC output current, wherein the second storage component is coupled to the inout port via a bidirectional switch to provide a charging path as well as a discharging path for the second storage component;

a controller cooperating with the battery management system, the bidirectional switch and the inout port to provide, to a load connected to the inout port, a sustained DC power selectively from the first storage component, the second storage component or from both storage components simultaneously.

2. The hybrid power pack as claimed in claim 1, wherein the first storage component includes a plurality of cells.

3. The hybrid power pack as claimed in claim 1, wherein the second storage component includes a capacitor bank comprising a plurality of capacitors.

4. The hybrid power pack as claimed in claim 1, wherein the battery management system and the controller are integrated into a first application specific integrated circuit.

5. The hybrid power pack as claimed in claim 2, which includes a cell balancing circuit to equalize at least one of the charge, energy and voltage of said cells.

6. The hybrid power pack as claimed in claim 3, which includes a capacitor balancing circuit to equalize at least one of the charge, energy or voltage of capacitors in said capacitor bank.

7. The hybrid power pack as claimed in claim 1, wherein the first storage component is a plurality of cells, the second storage component is a capacitor bank, the pack includes a cell balancing circuit to equalize the charge, energy or voltage of said cells and a capacitor balancing circuit to equalize the charge, energy or voltage of capacitors in said capacitor bank and the battery management system, the controller, the cell balancing circuit and the capacitor balancing circuit are integrated into a second application specific integrated circuit.

8. The hybrid power pack as claimed in claim 1, which includes a ground terminal and a unipolar transistor being connected to the ground terminal, the inout port and the controller.

9. The hybrid power pack as claimed in claim 1, wherein the bidirectional switch comprises a charging/discharging circuit, a comparator, a zener diode regulator, a switching element and a monitor and control unit for capacitors.

10. The hybrid power pack as claimed in claim 5, wherein the cell balancing circuit includes a cell control circuit and a cell balancing controller.

11. The hybrid pack as claimed in claim 1, which includes an element configured to generate a first AC signal, said element being coupled to the inout port via an amplifier and a rectifier.

12. The hybrid pack as claimed in claim 11, in which said element is configured to generate said first AC signal is a coil wound core such as a coil wound ferrite core.

13. The hybrid pack as claimed in claim 12, which includes a control circuit for the coil wound ferrite core for detecting a voltage/current level of the first AC signal and configured to control gain of the amplifier based on the detected voltage/current level.

14. The hybrid pack as claimed in claim 1, which includes a first AC to DC converter connectable to an AC power source for generating a sustained DC power.

15. The hybrid power pack as claimed in claim 1, which includes a step up DC to DC converter connectable to a DC power source such as a solar cell, fuel cell for generating sustained DC power.

16. The hybrid power pack as claimed in claim 1, which includes an antenna configured to capture radio frequencies, an RF receiver module to generate a second AC signal from said captured radio frequencies, an RF amplifier to amplify said second AC signal and a second AC to DC converter to convert said second AC signal into a DC signal.

17. The hybrid power pack as claimed in claim 1, which includes a cooling fan based on a permanent magnet to generate a third AC signal, a power amplifier to amplify said third AC signal and a power rectifier to convert said third AC signal into a DC signal.

18. The hybrid power pack as claimed in claim 5, wherein the battery management system, the controller and the cell balancing circuit are integrated into a fourth application specific integrated circuit.

19. The hybrid power pack as claimed in claim 1, wherein the controller reads a state of charge (SOC) of the first storage component and SOC of the second storage component and the controller activates a gate terminal of a unipolar transistor to disconnect the first storage component and the second storage component when the SOCs of the first and second storage components are equal to or below a determined end of charge value.

20. A hybrid power pack, comprising:

a first storage component comprising a plurality of cells and generating a first DC output voltage and a first DC output current;

a battery management system coupled to the first storage component via a first unidirectional switch to provide a charging path for the first storage component;

an inout port connected to the battery management system;

a second unidirectional switch coupling the inout port with the first storage component to provide a discharging path for the first storage component;

a second storage component comprising a capacitor bank and generating a second DC output voltage and a second DC output current, wherein the second storage component is coupled to the inout port via a bidirectional switch to provide a charging path as well as a discharging path for the second storage component;

a controller cooperating with the battery management system, the bidirectional switch and the inout port to provide, to a load connected to the inout port, a sustained DC power selectively from the first storage component, the second storage component or from both storage components simultaneously;

a cell balancing circuit to equalize the charge, energy or voltage of said cells; and

a capacitor balancing circuit to equalize the charge, energy or voltage of capacitors in said capacitor bank and the battery management system.